brake on a motorcycle A brake is a mechanical device which inhibits motion. Its opposite component ... brakes use magnetic fields to convert kinetic energy into electric current in the brake disc, fin ... s have a brake of some sort. Even baggage cart s and shopping cart s may have them for use on a moving ... also feature air brake aircraft air brakes designed to reduce their speed in flight. Notable examples ... descent. The Saab 17 Saab B 17 dive bomber used the deployed undercarriage as an air brake. Vehicle brake Friction brake Friction brakes on automobile s store braking heat in the drum brake or disc brake ... braking use their engines to brake . When the brake Automobile pedal pedal of a modern vehicle with hydraulic brake s is pushed, ultimately a piston pushes the brake pad against the Disc brakebrake disc which slows the wheel down. On the brake drum it is similar as the cylinder pushes the brake ... friction, pumping, or electromagnetics. One brake may use several principles for example, a pump ... friction brake is used to mean pad shoe brakes and excludes hydrodynamic brakes, even though hydrodynamic ... of a rotating drum, such as a band brake a rotating drum with shoes that expand to rub the inside of a drum, commonly called a drum brake , although other drum configurations are possible and pads that pinch a rotating disc, commonly called a disc brake . Other brake configurations are used ... the Murphy brake pinches a rotating drum, and the Ausco Lambert disc brake uses ... brake to greatly increase pumping losses. Pumping brakes can dump energy as heat, or can be regenerative ... and also as a regenerative brake. Some diesel electric railroad locomotives use the electric motors ..., such as some transit buses, do not already have an electric motor but use a secondary retarder brake that is effectively a generator with an internal short circuit. Related types of such a brake are eddy current brake s, and electro mechanical brake s which actually are magnetically driven friction ... more details
Brake is a surname of English people English origin and may refer to Brian Brake 1927 1988 , New Zealand photographer Patricia Brake b. 1942 , English television actress Tom Brake b. 1962 , British politician Colin Brake b. 1963 , English television writer and script editor Richard Brake , Welsh American actor See also Brake disambiguation surname Brake ... more details
An emergency brake is a separate brake system in a vehicle for use in case of failure of the regular hydraulic or air brakes and commonly used as a parking brake in automobiles. For road vehicles, see Hand brake For trains, see Emergency brake train disambig ... more details
Otheruses Brake A vehicle brake is a brake used to slow down a vehicle by converting its kinetic energy into heat. The basic hydraulic system, most commonly used, usually has six main stages. The brake automobile pedal pedal , the brake boost vacuum servos vacuum servo , the master cylinder , the apportioning valves and finally the wheel roadwheel brakes themselves. Friction brake A friction brake is a type of automotive brake that slows or stops a vehicle by converting kinetic energy into heat energy, via friction. The heat energy is then dissipated into the atmosphere. In most systems, the brake acts on the vehicle s roadwheel hubs, but some vehicles use brakes which act on the axle s or Transmission mechanics transmission . Friction brakes may be of either drum or disc type. Drum brake A drum brake is a brake in which the friction is caused by a set of brake shoe s that press against the inner surface of a rotating drum. The drum is connected to the rotating roadwheel hub. Disc brake The disc brake is a device for slowing or stopping the rotation of a road wheel. A brake disc or rotor in U.S. English , usually made of cast iron or ceramic , is connected to the wheel or the axle. To stop the wheel, friction material in the form of brake pad s mounted in a device called a brake caliper is forced mechanical engineering mechanically , hydraulics hydraulically , compressed air pneumatically ... and attached wheel to slow or stop. Electromagnetic brake Electromagnetic brake s slow an object .... See also Col begin col 3 Air brake road vehicle anti lock braking system Anti lock Braking System ABS Automobile Automobile accident Band brake Bicycle brake systems Brake bleeding Brake fade col 3 Brake fluid Brake lining Car safety Electromagnetic brake electronic brakeforce distribution Electronic Brakeforce Distribution Electronic Parking Brake Engine braking Hand brake col 3 Hydraulic brake Hydraulic fluid Inboard brake Just Brakes Line lock Murphy brake Parking brake Regenerative brake ... more details
Image Brake shoes.jpg thumb Drum brake shoes and linings A brake shoe is the part of a braking system which carries the brake lining in the drum brake s used on automobile s, or the brake block in Brake railway train brakes and bicycle brake s. Automobile drum brake The brake shoe carries the brake lining, which is rivet ed or glued to the shoe. When the brake is applied, the shoe moves and presses the lining against the inside of the drum. The friction between lining and drum provides the braking effort. Energy is dissipated as heat. Modern cars have disc brake s all round, or discs at the front and drums at the rear. An advantage of discs is that they can dissipate heat more quickly than drums so there is less risk of overheating. The reason for retaining drums at the rear is that a drum is more effective than a disc as a parking brake . Railway tread brake The brake shoe carries the brake block. The block was originally made of wood but is now usually cast iron . When the brake is applied, the shoe moves and presses the block against the tread of the wheel. As well as providing braking effort this also scrubs the wheel and keeps it clean. Tread brakes on passenger trains have now largely been superseded by disc brake s. Bicycle rim brake This comprises a pair of rectangular open boxes which are mounted on the brake caliper s of a bicycle and that hold the brake blocks which rub on the Bicycle brake systems Rim brakes rim of a bicycle wheel to slow the bicycle down or stop it. Cataloguing There are different systems for the cataloguing of brake shoes. The most frequently used system in Europe is the WVA number WVA numbering system . ref http www.vri.de 3.html WVA numbering system ref References reflist See also Brake pad commonscat Shoe brakes Category Mechanical engineering Category Brakes Category Vehicle braking technologies Category Article Feedback 5 engineering stub de Bremsklotz it Freno Numero di ceppi del tamburo ja ru ... more details
Air brake may refer to the following contexts Air brake aircraft , in aeronautics, a type of flight control system used on aircraft to reduce speed Air brake road vehicle , a type of brake used on large vehicles in place of hydraulic brakes, using compressed air Railway air brake , a type of brake operated by compressed air and used on locomotives and railroad cars disambig ja ... more details
wiktionarypar brake A brake is a device which inhibits motion. Its opposite component is a clutch . Brake may also refer to one of the following Transportation Brake , a device for slowing or stopping the motion of a machine Brake railway Brake carriage , a derelict wagon or carriage used as a drag to slow up or steady horses in training for draft work, see shooting brake Shooting brake , originally a brake as above pressed into temporary service for transporting shooting parties and their equipment, later purpose built see wagonette and later still a station wagon and currently also used originally as an absurdity for a high speed variant of a station wagon. Places Brake Unterweser , a city in Germany Brake, West Virginia Brake, a former independent city now incorporated into Lemgo , Germany Business Brake Bros Ltd , a food distributor in the UK and France Music Brakes band , the UK band known in America as BrakesBrakesBrakes The Brakes , a modern rock band from Philadelphia Brakes, a 2008 single from the UK band Royworld Other Brake, ferns of the genus Pteris Brake sheet metal bending , a tool for bending sheet metal Brake agriculture an agricultural machine used to separate the woody parts of a plant from the fibre for textile crops such as hemp and flax Brake surname Brake charity a road safety charity Brake film , a 2011 action film starring Stephen Dorff See also Braken disambiguation Break disambiguation disambig geo de Brake nl Brake pl Brake ujednoznacznienie ro Brake dezambiguizare vo Brake ... more details
Unreferenced auto yes date December 2009 Orphan date December 2009 A Solenoid Brake is an electrically controlled brake . The brake is turned on and off by an electrical solenoid . Typically a spring engages the brake when unpowered, and the solenoid releases it when powered. These are used along with a mechanical brake to manage the load on a cargo winch . They re also used in electric wheel chairs, hoists, printers, photocopiers, etc. DEFAULTSORT Solenoid Brake Tool stub Category Brakes ... more details
A steam brake is a type of brake for steam locomotive s and their tender rail tenders , whereby a steam cylinder locomotive cylinder works directly on the brake linkages. Steam brakes were primarily used on railways where vacuum brakes were used to brake the train, but where there was no vacuum brake on the steam locomotive itself, as for example in the United Kingdom , or where there was only a cable operated brake e.g. a Heberlein brake running along the train, like for example in Kingdom of Saxony Saxony on the narrow gauge railways. Steam brakes are usually found today on heritage steam locomotives. Operation Steam is supplied to the steam brake cylinders from the locomotive boiler via a valve the brake valve which may have several fixed settings or be infinitely variable. The piston in the steam cylinder is set in motion by the steam admitted, the piston rod transfers the brake force via a system of rods to the brake block s of the vehicle, thus achieving the braking effect. A return spring returns the piston to its rest position as soon as the steam supply is interrupted. The expanded and condensed steam is drained from the steam cylinder through a drain valve Entw sserungsventil . Direct steam brake A steam brake acts directly and immediately the sudden opening of the brake valve can result in a slight overbraking by locking the wheels. The operation of a steam brake therefore requires a great deal of experience from the engine driver . Vacuum controlled steam brake A steam brake can be operated directly by a lever valve and also indirectly together with the vacuum brake. In the latter case, a control valve linked to the vacuum system controls the admission of steam to the brake cylinder, so that the steam brake can be activated automatically in an emergency or if the train separates the so called automatic steam brake . Literature Hodgson, Lake Locomotive Management 9th Edition, 1948 . The St Margaret s Technical Press Ltd Railway brakes Category Brakes Category ... more details
Lippe Brake was a county located in Germany . It was created in 1613 following the death of Simon VI, Count of Lippe Count Simon VI of Lippe with his realm being split between his three sons with his second son Otto, Count of Lippe Brake Otto receiving the territory of Lippe Brake. On the death of Count Louis Ferdinand, Count of Lippe Brake Louis Ferdinand in 1709 Lippe Brake was inherited by the senior Lippe Detmold line. Counts of Lippe Brake 1613 1709 Otto, Count of Lippe Brake Otto 1613 1659 Casimir, Count of Lippe Brake Casimir 1659 1700 Rudolph, Count of Lippe Brake Rudolph 1700 1707 Louis Ferdinand, Count of Lippe Brake Louis Ferdinand 1707 1709 To Lippe Detmold in 1709 . See also List of consorts of Lippe Countess of Lippe Brake List of consorts of Lippe References http www.hostkingdom.net gerI M.html Regnal chronology http www.genealogienetz.de reg NRHE WFA lippe chrono.html Chronology of Lippe coord missing Category Former countries in Europe Category States of the Holy Roman Empire Germany hist stub ... more details
Unreferenced stub auto yes date December 2009 A band brake is a primary or secondary brake , consisting of a band of friction material that tightens concentrically around a cylindrical piece of equipment to either prevent it from rotating a static or holding brake , or to slow it a dynamic brake . This application is common on winch drums and chain saw s and is also used for some bicycle brake s. Another application is the locking of gear rings in epicyclic gearing . Advantages and disadvantages Band brakes can be simple, compact, rugged, and can generate high force with a light input force. However, band brakes are prone to grabbing or chatter and loss of brake force when hot. These problems are inherent with the design and thus limit where band brakes are a good solution. Effectiveness One way to describe the effectiveness of the brake is as math e mu theta math , where math mu math is the coefficient of friction between band and drum, and math theta math is the angle of wrap. With a large math mu theta math , the brake is very effective and requires low input force to achieve high brake force, but is also very sensitive to changes in math mu math . For example light rust on the drum may cause the brake to grab or chatter, water may cause the brake to slip, and rising temperatures in braking may cause the coefficient of friction to drop slightly but in turn cause brake force to drop greatly. Using a band material with low math mu math increases the input force required to achieve a given brake force, but some low math mu math materials also have more consistent math mu math across the range of working temperatures. See also Bicycle brake systems Band brake Bicycle band brakes References references DEFAULTSORT Band Brake Category Brakes Tech stub fi Pantajarru ... more details
Image Boom Brake White Back.jpg right thumb Boom brake with line. The brake shackles to the bottom of the boom, and the line attaches to the base of the shrouds tensioning the line actuates the brake. A boom brake is a device designed to control the swing of the Boom sailing boom on a sailboat . The boom brake acts as a preventer when sailing downwind, and can also be used to jibe US or gybe UK the mainsail in a slow measured action. Uncontrolled jibes often damage elements of the rig, and can inflict serious and sometimes fatal injuries to crew in the path of the boom or the mainsheet and associated hardware. The brake usually rides on a line running perpendicular to the boom when the boom brake is actuated, it grabs the line and either works as a preventer, or slows the boom s speed while jibing. The brake is actuated by either tensioning the line upon which it rides or using a second line to tension the brake relative to the main line. References Mainsheet magazine, Vol. 23, No 2, May 2005 Category Sailing ship components mech engineering stub naval stub Sailing ship elements ... more details
A countersteam brake is a brake on a steam locomotive that uses the engine specifically the cylinder locomotive cylinders to help brake the locomotive. It uses the working principle of steam cylinders fitted with slide valve slide or piston valve steam engine piston valve s such that, by changing the configuration of the valve gear , the motion of the valves is also altered such that they work in opposition to the movement of the pistons. Because of the inertia of a steam locomotive in its initial direction of travel, changing the direction in which the steam cylinders have to work acts first to brake the movement of the connecting rod , which in turn slows the transmission of power to the drive of the locomotive until it stops. The countersteam brake is often confused with the counterpressure brake , which works with air, not steam, and acts as a dynamic brake. Unlike the countersteam brake, the counterpressure brake is permitted to be used as an independent braking system in its own right. Operation The countersteam brake is actually not a brake in the true sense but simply a way of using the working principle of a steam engine to produce a braking effect. It is therefore not a separate component of a steam locomotive. Countersteam braking is however only achievable with piston valves. On simple slide valves, no opposing steam admission is possible due to the way they are constructed. Using the countersteam brake, experienced locomotive drivers can reverse the running direction ... engine may result. On steam locomotives without a second independent brake system like e.g. a compressed air brake , vacuum brake or steam brake for the engine, in addition to the usual counterweight or fixed brake, the countersteam brake was used as a braking system. Today, steam locomotives generally have to have two independent brake systems in order to be licensed, so that the countersteam brake is not viewed as a braking system, but is nevertheless still used. Sources Heym ... more details
cleanup article date March 2008 citations missing article date March 2008 Brake force , also known as Brake Power , is a measure of braking power of a vehicle. In the case of railways, it is important that staff are aware of the brake force of a locomotive so sufficient brake power will be available on trains, particularly heavy freight trains. See also tractive effort continuous tractive effort power at rail References reflist External links http www.twoof.freeserve.co.uk motion1.htm A simple guide to train physics physics stub train stub Category Rail transport Category Introductory physics ... more details
One source date July 2008 Image drum brake.jpg thumb right A drum brake with the drum removed as used on the rear wheel of a car or truck. Note that in this installation, a cable operated parking brake uses the service shoes. Image W800 drum brake.jpg thumb right A drum brake at the rear wheel of a motorbike Kawasaki W800 A drum brake is a brake in which the friction is caused by a set of Brake shoe shoes or Brake pad pads that press against a rotating drum shaped part called a brake drum. The term drum brake usually means a brake in which shoes press on the Brake lining inner surface of the drum. When shoes press on the outside of the drum, it is usually called a Railway brake clasp brake . Where the drum is pinched between two shoes, similar to a conventional disk brake , it is sometimes called a pinch drum brake , although such brakes are relatively rare. A related type of brake uses a flexible belt or band wrapping around the outside of a drum, called a band brake . History The modern automobile drum brake was invented in 1902 by Louis Renault industrialist Louis Renault , though a less sophisticated drum brake had been used by Maybach a year earlier. In the first drum brakes, the shoes ... brake drums on the front wheels of cars were gradually replaced with disc brake s and now practically ..., drum brakes are still often used for Parking brake handbrake s as it has proven very difficult to design a disc brake suitable for holding a car when it is not in use. Moreover, it is very easy to fit a drum handbrake inside a disc brake so that one unit serves as both service brake and handbrake. Early type brake shoes contained asbestos . When working on brake systems of older cars, care must be taken not to inhale any dust present in the brake assembly. The United States Federal Government began to regulate asbestos production, and brake manufacturers had to switch to non asbestos linings ... components of the drum brake assembly are the back plate, the brake drum and shoe, the wheel cylinder ... more details
Merge to Vacuum servo date September 2010 unreferenced date February 2010 A Brake booster is an enhanced master cylinder setup used to reduce the amount of pedal pressure needed for braking. It employs a booster set up to act with the master cylinder to give higher hydraulic pressure to the brakes and or lower force applied on the brake pedal. The brake booster usually uses vacuum from the engine intake to boost the force applied by the pedal on to the master cylinder, or may employ an extra vacuum pump to enable it. Without the engine running the brake pedal feels very hard and ineffective on the braking capability. Apart from this additional booster setup, the braking system is a normal Hydraulic brake system. Category Vehicle braking technologies automotive tech stub ... more details
brake van. Most British brake vans had just four wheels. Brake van and guard s van are terms used mainly ... brake which can be applied by the Conductor transportation guard . The equivalent North America n term is caboose , but a British brake van and a caboose are very different in appearance, because ... trains formerly had no continuous brake ref http www.bluebell railway.co.uk bluebell wagon 55993.html ref so the only available brakes were those on the locomotive and the brake van. Because of this shortage of brake power the speed was restricted to convert 25 mph km h 0 abbr on . The brake van ... in the event of a coupling breaking. When freight trains started having continuous brake continuous braking , brake vans lost their importance, and were discontinued by many railways. However, they still ... by the coupling device. With no continuous brake across the entire train, ref http www.bluebell ... replaced by brake van from the 1870s onwards. Because of the combined risks of shortage of brake ... mph km h 0 abbr on . The brake van was marshalled at the rear of the train, and served two purposes ... the same railway safety issues in a different manner. The Guard s job On unfitted trains, the brake ... use the brake van s brakes to assist with keeping the train under control on downwards gradients ... starting a freight train, rules mandated that footplate crew look back on their train towards the brake ... of side lamps on brake vans. All three side lamps are visible in media SR Queen Mary 56290.JPG ... Britain File GWR Toad Brake Van.jpg thumb right A GWR Toad toad brake van of the Great Western Railway File BR brake van at Colne Valley Railway 2.jpg thumb right British Railways standard brake van ... brake acting on all four wheels. The term brake van began to be adopted from the 1870s onwards, when ... with tradition, most brake vans had an open area, but from the 1870s onwards this veranda became ... Railway and the Lancashire & Yorkshire Railway all built brake vans with a raised look out at one end ... more details
TOC right Brake pads are a component of disk brake s used in automotive and other applications. Brake pads are steel backing plates with friction material bound to the surface that faces the disk brake rotor. Function Brake pads convert the kinetic energy of the car to thermal energy by friction . Two brake pads are contained in the disc brake Calipers brake caliper with their friction surfaces facing the rotor. ref name Haynes, Brake manual cite book first Bob last Henderson first2 John H. last2 Haynes title The Haynes Automotive Brake Manual publisher Haynes North America year 1994 chapter Disc Brakes pages 1 20 ref Haynes, Brake manual ref When the brakes are hydraulically applied, the caliper ... a brake pad is heated by contact with a disc brake rotor , it transfers small amounts of friction material to the disc, turning it dull gray. The brake pad and disc both now with friction material , then stick to each other, providing the friction that stops the vehicle. In disc brake applications, there are usually two brake pads per disc rotor, held in place and actuated by a caliper affixed to a wheel ... only two brake pads per caliper, racing calipers utilize up to six pads, with varying frictional properties ..., disc wear rates may vary. The brake pads must usually be replaced regularly depending on pad material ... a warning light when the brake pad gets thin. More expensive cars may use an electronic sensor. Technology ... brake s, including resistance to brake fade caused by the overheating of brake components, and are able to recover quickly from immersion wet brakes are less effective . Unlike a drum brake, the disc brake has no self servo effect the braking force is always proportional to the pressure placed on the braking pedal or lever but many disc brake systems have vacuum servo servo assistance Brake Booster to lessen the driver s pedal effort. Citation needed date July 2010 Laser shaping Ordinary brake ... insulator Spreads out and absorbs heat and energy over a greater surface area for longer brake pad ... more details
Citations missing date June 2008 Image Hydraylic disc brake diagram.jpg right 250px thumb A schematic illustrating the major components of a hydraulic disc brake system The hydraulic brake is an arrangement of brake braking mechanism which uses brake fluid , typically containing ethylene glycol , to transfer ... brake mechanism, which is usually at or near the wheel of the vehicle. History In 1918 Malcolm Lougheed who later changed the spelling of his name to Lockheed developed a hydraulic brake system ..., and mopeds, consists of the following Brake pedal or lever A pushrod also called an actuating rod ... lines caliper Brake caliper assembly usually consisting of one or two hollow aluminum or chrome plated steel pistons called caliper pistons , a set of thermally conductive brake pad s and a Rotor brake rotor also called a brake disc or drum brake drum attached to an axle. The system is usually filled with a Glycol ethers glycol ether based brake fluid other fluids may also be used . At one time, passenger ... wheel vehicles designs, however, continue to employ a drum brake for the rear wheel. For simplicity, the braking system described hereafter uses the terminology and configuration for a simple disc brake . System Operation Within a hydraulic brake system, as the brake pedal is pressed, a pushrod exerts force on the piston s in the master cylinder causing fluid from the brake fluid reservoir to flow ... the escape of any fluid from around the piston. The brake caliper piston s then apply force to the brake ... release of the brake pedal lever allows the spring s within the master cylinder assembly to return ... allowing the brake piston in the caliper assembly to slide back into its housing and the brake pads to release the rotor. Unless there is a leak somewhere in the system, at no point does any of the brake fluid enter or leave the system. An example of a hydraulic brake system When using hydraulics ... brake system, with just two cylinders and a disc brake . The cylinders are connected via tubes and inside ... more details
May 2010 The Murphy brake is a drum brake with Brake shoe shoes that pinch the drum via a rotating fork. In contrast, most Brake drum drum brakes use either shoes that press only on the inside of the drum, or shoes that press only on the outside of the drum, like a band brake . Like many drum brakes, the Murphy brake is self assisting, so a low application force gives a high brake force. Like a disk brake , and unlike most drum brakes, the Murphy brake uses short shoes so braking force is less ... are mounted movably so the brake drum can change shape as it heats and the pads will follow the change, without interfering with the brake s operation. The brake is named after its inventor, John H. Murphy inventor John H. Murphy John H. Murphy ? . Design and operation The Murphy brake ref cite patent ... 2787340 ref ref cite patent US 4039052 ref clamps a drum with two brake shoe shoes . The shoes are held ... through the fork, it also applies the brake harder, called self assist . The amount of assist depends ... tangent, gain is low. As the brake heats, the drum tends to grow in diameter. Since it is a drum ... grabbiness chatter and brake fade fade . Grabbiness often occurs with a high gain self assisting brake and with light rust on the brake. Fade often occurs when the brake is used hard and gets ... find the first brake application of the day brake fade would cause wheel lockup , because of light ... they still suffer occasional runaway brake failures due to heating. Both problems are more common and more severe when the brake has long shoes. Many self energizing brakes are described by the formula ... math is large, then the brake is strong, but small changes in the coefficient of friction math mu math lead to large changes in brake strength. Conversely, if math mu theta math is small, the brake requires a harder application to reach the same level of braking, but the brake is less sensitive to changes in friction. The Murphy brake uses short shoes, thus a small math theta math . Further, Murphy ... more details
refimprove date September 2010 The vacuum brake is a brake braking system employed on train s and introduced in the mid 1860s. A variant, the automatic vacuum brake system, became almost universal in British ... systems starting in the United Kingdom from the 1970s onward. The vacuum brake system is now obsolete ... by railway air brake air brakes . Overview In the earliest days of railways, trains were slowed or stopped by the application of manually applied brakes on the locomotive and in brake vehicles ... vehicle could be controlled from the locomotive. The earliest pattern was a simple vacuum brake, in which vacuum was created by operation of a valve on the locomotive the vacuum actuated brake pistons ... the vacuum brake on the entire train was useless. The automatic vacuum brake had been developed ... of the automatic type of brake meant that it took a serious accident at Armagh in 1889 before legislation ... with the simple vacuum brake, which was useless on the disconnected portion of the train. It was clear that if the vehicles had been fitted with an automatic continuous brake, the accident would almost ... mandating the use of a continuous automatic brake on all passenger trains. How the automatic vacuum brake works File Vacuum brake cylinder off.png thumb Vacuum brake cylinder in running position the vacuum is the same above and below the piston File Vacuum brake cylinder on.png thumb Air at atmospheric ... form, the automatic vacuum brake consists of a continuous pipe the train pipe running throughout ... force is applied. A mechanical linkage transmits this force to brake shoes which act by friction ... brake valve a brake cylinder on each vehicle containing a piston, connected by rigging to the brake ... of vacuum in the train pipe. The brake cylinder is contained in a larger housing this gives a reserve ... with the brake rigging cranks, so it is supported in trunnion bearings, and the vacuum pipe connection to it is flexible. The piston in the brake cylinder has a flexible piston ring that allows air ... more details
Mergeto Emergency brake assist date July 2009 Brake Assist BA or BAS is a generic term for an automobile braking technology that increases braking pressure in an emergency situation. The first application was developed jointly by Daimler Benz and TRW LucasVarity. Research conducted in 1992 at the Mercedes Benz driving simulator in Berlin revealed that more than 90 of drivers fail to brake with enough force in emergency situations. Overview Brake Assist detects circumstances in which emergency braking is required by measuring the speed with which the brake pedal is depressed. Some systems additionally take into account the rapidity of which the gas pedal is released, pre tensioning the brakes when a panic release of the gas is noted. When panic braking is detected, the Brake Assist system automatically develops maximum brake boost in order to mitigate a drivers tendency to brake without enough force. In doing so, Brake Assist has been shown to reduce stopping distance by a significant margin up to 20 in some studies. Systems Mercedes Benz In December 1996 BAS premiered to the world on the Mercedes Benz S Class and Mercedes Benz SL Class SL Class . In 1998 Mercedes Benz became the first company to make Brake Assist standard equipment on all its models other brands including Volvo and BMW ... Benz Brake Assist Plus BAS Plus was first made standard equipment on the Mercedes Benz W221 ... and precharging of the brakes but will not automatically brake for you. The BAS Plus system has ... with Auto Brake CWAB uses a radar to detect when a collision is likely and will pre charge the brakes ... In October 2007 the European Commission announced that it wanted Brake Assist to be included on all ... auto 0710 europe wants brake assist as standard by 2009.asp title Europe wants Brake Assist as standard ... External links http motortorque.askaprice.com news auto 0710 europe wants brake assist as standard by 2009.asp Europe wants Brake Assist as standard by 2009 , http www.motortorque.com MotorTorque.com ... more details
Brian Brake 1927 1988 was one of New Zealand s most internationally successful photographers. Born in Wellington , New Zealand , John Brian Brake was the adopted son of John Samuel Brake and his wife Jennie Brake n e Chiplin . He was raised initially at Doyleston, before his father moved the family to Arthur ... Boys High School . His early interest in photography was inspired by his aunt Isabel Brake ... Brake trained with Wellington portrait photographer Spencer Digby from 1945. Three years later he joined ... person brian brake NZ On Screen Profile of Brian Brake . ref . Brake worked on 17 films at the Unit, mostly as a cameraman, occasionally as a director. Though Brake s skills with studio lighting were utilised, the majority of Brake s work involved the NFU s heavy diet of scenic shorts, including a series of snow films Brake filmed in the Southern Alps. Snows of Aorangi ref http www.nzonscreen.com title snows of aorangi 1950 on Short film Snows of Aorangi . ref , one of three NFU films Brake .... Brake left New Zealand for London in 1954. In 1955 he met Ernst Haas and Henri Cartier Bresson ... 3a 22Brake 2c Brian 22 colCollectionGroup 3aCH&imagesonly on Images of China by Brian Brake ... at a bullfight by Brian Brake . ref and his series Monsoon ref http collections.tepapa.govt.nz ... 3aCH&imagesonly on Monsoon series by Brian Brake . ref of photographs taken in India during 1960. Brake used Aparna Das Gupta now Aparna Sen as the model for what was to become one of his ... by Brian Brake . ref The shoot was set up on a Kolkata rooftop with a ladder and a watering can. Sen ... June 2008 work Stuff.co.nz accessdate 21 September 2011 ref In the same year as he shot Monsoon Brake ... Brake published Peking A tale of three cities , which was dedicated to Brake s father, John Brake. In 1967 Brian Brake and William Warren were commissioned by Jim Thompson designer James Thompson ... 1981 . In 1970 Brake founded Zodiac Films in Hong Kong and made documentary films in Indonesia ... more details
Unreferenced date January 2007 Image Brake shoes.jpg thumb 200px Drum brake Drum Brake shoe shoes with linings Brake linings are the consumable surfaces in brake systems, such as drum brake s and disc brake s used in transport vehicles. History Brake linings were invented by Bertha Benz the wife of Karl ... ref Structure and function Brake linings are composed of a relatively soft but tough and heat ... a brake pad or brake shoe . The dynamic friction coefficient for most standard brake pads is usually ... a resulting brake force close to 400 Newtons or pounds . There are some racing pads that have ... they are a very cost effective alternative to more exotic expensive materials. Image Disk brake dsc03682.jpg thumbnail right In this view of an automobile disc brake , the brake pad is the black material held by the red metal component the brake caliper . The brake lining is that part of the brake pad which actually contacts the metal disc when the brake is engaged. Using a typical bicycle brake ... steel or sometimes exotic metal Disc brake disc . Furthermore, a metal Wiktionary tang tang ... out, causing an annoying noise designed to alert the motorist that brake servicing is required. Since ... replacement or outgassing which causes brake fade , a decrease in the stopping power of the brake . Due to its efficacy, chrysotile asbestos was often a component in brake linings. However, studies such as a 1989 National Institutes of Health item showed an uncommonly high proportion of brake ... 0077.pdf Pleural mesothelioma in a brake mechanic ref Public health authorities generally recommend against inhaling brake dust, ref http egilman.com Documents Asbestos Experts Paustenbach Exponent ... on chrysotile asbestos.html ref and Chrysotile has been progressively replaced in most brake linings ... result. The lining may also become contaminated by oil or leaked brake fluid. Typical symptoms will be brake ... repair industry, many consumers purchase brake pads with a lifetime warranty. These pads use a much ... more details
Image Heberleingestelle Wagendach.jpg thumb right Roof equipment with pulleys for Heberlein brakes on wagons of a Saxon narrow gauge railway, in this case the Pre nitztalbahn Heberlein brake is a continuous railway brake used in Germany that is applied by means of a mechanical cable. Train braking is therefore initiated centrally from the locomotive using a winder. This causes the brake clips to be applied on individual wagons, assisted by a Servomechanism servo system which makes use of the rotation of the axle. The brakes operate automatically if the cable snaps. A typical feature of Heberlein brakes is the clearly visible cable run on top of the wagons, but cables can also be led underneath the wagons, as on the Spreewaldbahn railway line. Heberlein brakes were eventually largely replaced by compressed air brakes or, sometimes, by vacuum brakes on narrow gauge railway vehicles. The Heberlein brake is still permitted as an operating brake on German railways due to its modus operandi continuous and automatic , especially at the low speeds on narrow gauge lines. On several narrow gauge railways in Saxony , numerous vehicles with Heberlein systems can still be seen. These include the L nitzgrundbahn , Wei eritztalbahn and Rittersgr n narrow gauge museum railway. On the Pre nitztalbahn trains using Heberlein brakes run regularly, several times a year. Because of the way they operate, there is a longer delay with Heberlein brakes before the brakes take effect when compared with compressed air or vacuum brakes. As a result, locomotive and train crews have to be given appropriate training and experience these days when using this type of brake in practice. The G rlitz weight brake G rlitzer Gewichtsbremse , a form of cable brake, operates in a similar way to the Heberlein brake, but differs markedly in its design details, as does the Schmid continuous spiral toothed gear brake. Railway brakes Category Rail technologies Category Brakes cs Heberleinova brzda de Heberleinb ... more details
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