EP0114821A1 - Coussinets de sabot de frein modifies - Google Patents

Coussinets de sabot de frein modifies

Info

Publication number
EP0114821A1
EP0114821A1 EP19830900168 EP83900168A EP0114821A1 EP 0114821 A1 EP0114821 A1 EP 0114821A1 EP 19830900168 EP19830900168 EP 19830900168 EP 83900168 A EP83900168 A EP 83900168A EP 0114821 A1 EP0114821 A1 EP 0114821A1
Authority
EP
European Patent Office
Prior art keywords
pad
brake
warning
wheel
brake shoe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19830900168
Other languages
German (de)
English (en)
Inventor
Shawky Shafeek Michael
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0114821A1 publication Critical patent/EP0114821A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F16D66/02—Apparatus for indicating wear
    • F16D66/021—Apparatus for indicating wear using electrical detection or indication means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F16D2066/001—Temperature

Definitions

  • This invention relates to the brake shoe pads (non-metallic) system applied in all fields of automotives, viz: motor cycle, passenger motor vehicle, load carrying trucks, railway trucks and aeroplanes.
  • said invention has the advantage of warning a driver in the following cases:-
  • the hand brake signal indicator commonly fails due to the burning out of indicator light bulb, or ryst or damage at the hand lever contact switch, or simply a slight displacement of the hand lever switch which will give an indication that the brake is released while it is still touching the drum s).
  • the hand brake signal indicator works only on 2 wheels and not wheels and if the other two brake shoes are touching the drums due to poor adjustment or maintenance, said indicator would not indicate this action.
  • the brake shoe wear warning device is usually not a very accurate measure of the thickness of the actual shoes themselves and once again, it is usually an indication for two wheels only.
  • PROBLEMS REQUIRING THIS INVENTION It has been found in practice that in many cases, such as a motor vehicle's braking shoes locking into a braking position , the resulting friction causes a build up of extreme heat causing an increase in petrol consumption and consequently causes quicker wear in tyres and also in many cases may result in the ignition of the brake fluid followed by ignition of tyres and possibly the entire vehicle.
  • the invention described herein utilises the brake shoe lining itself to give the warning signals In the case of a locking or jamming position and in the case of wear of the shoe pad itself. This is carried out by using two different lengths of any size or shape of soft conducting material or alloy such as aluminium, copper, lead, or graphite.
  • Said two conductors are implanted in or alongside the shoe pad itself in any location, although the middle of the shoe is preferred, in the form of a wire or thin metal foil so as to be used as electrical conductors when touching the disc,..wheel or wheel drums.
  • Figure 1 is a schematic perspective view of a motor vehicle brake shoe pad with the attached wire or foil sensors in ppsition.
  • Figure 2 is a schematic illustration of a railway train brake shoe pad with the attached wire or foil sensors in position.
  • Figure 3 represents a schematic perspective view of a car braking system in the pad wear position A and in the case of locking position B.
  • Figure - illustrates the braking system for a railway and shows the pad wear position A and locking position B.
  • Figure 5 represents the logic flow of the system.
  • the brake shoe pads 1 shown in Figures 1 and 2 are usually attached to the metal brake shoes 2 by riveting or special adhesive.
  • the sensors are in the form of wires 3 and of any form or shape, separated or coaxial shape and placed in a central place or alongside the pad; said sensors may also be made In the form of metal strips 5 and 6 adhered to the pad.
  • the sensors 3,4,5, and 6 are manufactured from any soft but conductive material so as not to mark any wheels, discs or wheel drums.
  • the long wire 3 or strip 5 will touch the brake drum or the wheel as in Figure 3 (B) and Figure (B) and due to the non existence of any rust or particles in these areas, said sensors 3 or 5 will cause an electrical short circuit, but with a simple electric switch with the braking light system, a cancellation signal is given so as to prevent the appearance of any false warning lights or sound.
  • V vnto The same principle is applied in the case of wear in braking pad reaching a low level, hereby the sensor wire or metal 6 will touch the wheel, disc or the wheel drum, short-circuiting the electric power and giving a direct signal to the driver.
  • This signal is indepen- dent from said brake signaling synchronisation and appears when braking as well as when a locking in the brake occurs, and in such a case, the driver receives two independent signals for brake locking and for brake shoe pad wear.
  • Wires connected from the brake pad(s) under the car, trailer, , train or aeroplane, are usually made of heavy duty type to withstand any movement or heat.
  • the Main -Advantages In This Invention are:- 1- Road, railway and aviation safety increases. 2- Less damage in all types of vehicles and railway carriages and an increase in productivity due to less time being lost with repairs.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Braking Arrangements (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

Des coussinets de sabot pour tout type de véhicules de transport sont modifiés en faisant travailler le coussinet lui-même (1) comme conducteur pour transférer un signal électrique lors du contact avec la roue, le tambour ou le disque. Le signal produit est utilisé comme avertissement en cas de blocage du frein ou en cas d'usure du coussinet. La modification est exécutée simplement en plaçant des fils conducteurs mous (3) et (4) ou des bandes métalliques molles conductrices (5) et (6) dans le coussinet ou sur celui-ci sans toucher le sabot métallique (2). Le fil (3) ou métal (5) long produit un signal en touchant la roue tandis que le fil (4) ou métal (6) court crée un signal indiquant le niveau d'usure, également en touchant la roue. Les signaux provenant de (3) et (5) sont synchronisés avec le mouvement de freinage de manière à annuler ces signaux pendant le freinage normal afin d'éviter tout déclenchement incorrect d'un signal d'avertissement.
EP19830900168 1982-07-14 1982-12-31 Coussinets de sabot de frein modifies Withdrawn EP0114821A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU485782 1982-07-14
AU4857/82 1982-07-14

Publications (1)

Publication Number Publication Date
EP0114821A1 true EP0114821A1 (fr) 1984-08-08

Family

ID=3695304

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19830900168 Withdrawn EP0114821A1 (fr) 1982-07-14 1982-12-31 Coussinets de sabot de frein modifies
EP19830900167 Withdrawn EP0113722A1 (fr) 1982-07-14 1982-12-31 Detecteurs de surchauffe de freins et de roues

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19830900167 Withdrawn EP0113722A1 (fr) 1982-07-14 1982-12-31 Detecteurs de surchauffe de freins et de roues

Country Status (2)

Country Link
EP (2) EP0114821A1 (fr)
WO (2) WO1984000407A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3502825A1 (de) * 1985-01-29 1986-07-31 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Ueberlast-schutz- und/oder -warneinrichtung
DE3502052A1 (de) * 1985-01-23 1986-07-24 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Einrichtung zum messen und/oder regeln des verschleisses eines bauteils
DE3930571A1 (de) * 1989-09-13 1991-03-14 Wabco Westinghouse Fahrzeug Verfahren zur ueberwachung einer bremseinrichtung auf ueberlast
DE3930572A1 (de) * 1989-09-13 1991-03-14 Wabco Westinghouse Fahrzeug Verfahren zur ueberschlaegigen ermittlung der mittleren temperatur eines bauteils einer bremseinrichtung
GB8921250D0 (en) * 1989-09-20 1989-11-08 Lucas Ind Plc Friction lining condition monitoring system
DE3940456A1 (de) * 1989-12-07 1991-06-13 Daimler Benz Ag Verfahren zur warnung vor und zur vermeidung einer ueberlastung der bremsen eines kraftfahrzeugs
DE4103917A1 (de) * 1991-02-08 1992-08-13 Knorr Bremse Ag Ueberwachungseinrichtung fuer scheibenbremsen von strassenfahrzeugen, insbesondere nutzfahrzeugen
ES2120848B1 (es) * 1995-04-10 1999-05-16 Amoros Ortiz Miguel Aparato para la deteccion de la temperatura en las ruedas de vehiculos.
US5844501A (en) * 1996-03-18 1998-12-01 Reliance Electric Industrial Company Speed reducer including temperature sensing device
IL119956A (en) 1997-01-01 2003-11-23 Opgal Optronic Ind Ltd Brake monitoring system and method
GB9715147D0 (en) * 1997-07-19 1997-09-24 Sun Electric Uk Ltd Brake testing method and apparatus
US6032102A (en) * 1997-07-31 2000-02-29 Schlumberger Technology Corporation Method and apparatus for measuring well characteristics and formation properties
DE59709703D1 (de) * 1997-09-17 2003-05-08 Bombardier Transp Gmbh Bremsanlage von Schienenfahrzeugen mit Zustandsüberwachung
US10099672B2 (en) 2014-11-11 2018-10-16 Gerald Hoefsloot System for measuring brake balance on multi-axel commercial vehicles by monitoring brake temperatures
US10328921B2 (en) 2016-01-25 2019-06-25 Ford Global Technologies, Llc Brake fade and brake capacity gauge
DE102021102324B4 (de) 2021-02-02 2023-10-19 Saf-Holland Gmbh Belagniederhalteranordnung, Bremssattelanordnung, Scheibenbremse und Scheibenbremsüberwachungssystem

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2494269A (en) * 1946-10-01 1950-01-10 Spar Holl Mfg Company Inc Safety device for vehicle brakes
US3454925A (en) * 1966-04-07 1969-07-08 Goodyear Tire & Rubber Brake temperature indicating system
US3582926A (en) * 1968-04-08 1971-06-01 Crane Co Temperature indicator for aircraft brakes and the like
US3614731A (en) * 1970-06-15 1971-10-19 Bourns Inc Transport vehicle axle bearing alarm
US3674114A (en) * 1970-09-11 1972-07-04 Bendix Corp Brake lining temperature probe
US3689880A (en) * 1970-09-16 1972-09-05 Robert G Mckee Vehicle brake warning device
US3691523A (en) * 1971-06-03 1972-09-12 Millard O Helms Vehicle wheel temperature monitoring system
US3805228A (en) * 1972-04-20 1974-04-16 A Peeples Vehicle brake lining wear indication apparatus
JPS5210382B2 (fr) * 1973-05-04 1977-03-23
US3922640A (en) * 1973-10-01 1975-11-25 Goodyear Aerospace Corp Maximum and minimum brake temperature indicator
US4020454A (en) * 1976-02-17 1977-04-26 Malonee Arley L Brake monitoring system
US4316175A (en) * 1977-01-26 1982-02-16 Skf Kugellagerfabriken Gmbh Method for the advance indication of damage to wheel bearings
DE2821344A1 (de) * 1978-05-16 1979-11-22 Vdo Schindling Warneinrichtung mit zentraler anzeige zu ueberwachender betriebszustaende in kraftfahrzeugen
US4188613A (en) * 1978-05-31 1980-02-12 Wong Chia Hsiang Safety indicator for automobile braking system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8400407A1 *

Also Published As

Publication number Publication date
WO1984000407A1 (fr) 1984-02-02
EP0113722A1 (fr) 1984-07-25
WO1984000406A1 (fr) 1984-02-02

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): AT BE CH DE FR GB LI LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 19840619