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1. WO1997029298 - BRAKE WEAR SENSOR

Publication Number WO/1997/029298
Publication Date 14.08.1997
International Application No. PCT/GB1997/000329
International Filing Date 06.02.1997
Chapter 2 Demand Filed 02.09.1997
IPC
F16D 65/14 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
65Parts or details of brakes
14Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
F16D 65/56 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
65Parts or details of brakes
38Slack adjusters
40mechanical
52self-acting in one direction for adjusting excessive play
56with screw-thread and nut
F16D 66/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
66Arrangements for monitoring working conditions of brakes, e.g. wear or temperature
02Apparatus for indicating wear
CPC
F16D 2121/14
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
2121Type of actuator operation force
14Mechanical
F16D 2125/32
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
2125Components of actuators
18Mechanical mechanisms
20converting rotation to linear movement or vice versa
22acting transversely to the axis of rotation
28Cams; Levers with cams
32acting on one cam follower
F16D 65/183
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
65Parts or details
14Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
16arranged in or on the brake
18adapted for drawing members together ; , e.g. for disc brakes
183with force-transmitting members arranged side by side acting on a spot type force-applying member
F16D 65/568
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
65Parts or details
38Slack adjusters
40mechanical
52self-acting in one direction for adjusting excessive play
56with screw-thread and nut
567for mounting on a disc brake
568for synchronous adjustment of actuators arranged in parallel
F16D 66/025
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
66Arrangements for monitoring working conditions, e.g. wear, temperature
02Apparatus for indicating wear
021using electrical detection or indication means
022indicating that a lining is worn to minimum allowable thickness
025sensing the position of parts of the brake system other than the braking members, e.g. limit switches mounted on master cylinders
F16D 66/026
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
66Arrangements for monitoring working conditions, e.g. wear, temperature
02Apparatus for indicating wear
021using electrical detection or indication means
026indicating different degrees of lining wear
Applicants
  • LUCAS INDUSTRIES PUBLIC LIMITED COMPANY [GB]/[GB] (AllExceptUS)
  • WARD, Andrew, John [GB]/[GB] (UsOnly)
  • POOLE, Ian, Douglas [GB]/[GB] (UsOnly)
  • BISSELL, Martin [GB]/[GB] (UsOnly)
  • McCANN, Denis, John [GB]/[GB] (UsOnly)
Inventors
  • WARD, Andrew, John
  • POOLE, Ian, Douglas
  • BISSELL, Martin
  • McCANN, Denis, John
Agents
  • BARKER, BRETTELL & DUNCAN
Priority Data
9602439.307.02.1996GB
9610762.822.05.1996GB
9611532.403.06.1996GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) BRAKE WEAR SENSOR
(FR) CAPTEUR D'USURE DE FREINS
Abstract
(EN)
A vehicle brake assembly of the kind comprises actuating means (6) for applying the brake linings (4, 5) to a brake rotor (1), adjusting means (13) adapted to be driven by the actuating means (6) for the purpose of maintaining the brake linings (4, 5) in close proximity to the brake rotor (1), and wear sensing means (60) responsive to actuation movement of the brake in a brake-applying direction. The wear sensing means (60) comprises a sensor (101) adapted to be operated by movement of an operating member (102) in a linear direction, a rotatable follower member (106) responsive to movement of the adjusting means (6), and a transmission mechanism (104) for translating rotary movement of the follower member (106) into linear movement of the operating member (102). The brake includes re-set means for resetting the relationship between a datum for the sensing means (60) and the brake during servicing of the brake. The re-set means may comprise means for adjusting the effective length of the operating member (107).
(FR)
Cette invention se rapporte à un ensemble de frein de véhicule du type comportant un organe d'actionnement (6) conçu pour appliquer les garnitures de frein (4, 5) à un rotor de frein (1), un organe d'ajustement (13) conçu pour être commandé par l'organe d'actionnement (6) dans le but de maintenir les garnitures de frein (4, 5) à proximité immédiate du rotor de frein (1), et un organe de détection de l'usure (60) qui réagit au déplacement associé à l'actionnement du frein suivant la direction de freinage. L'organe de détection d'usure (60) comporte un capteur (101) conçu pour être actionné par le déplacement linéaire d'un élément de commande (102), un élément rotatif suiveur (106) qui réagit au déplacement de l'organe d'ajustement (16), et un mécanisme de transmission (104) conçu pour transformer le mouvement rotatif de l'élément suiveur (106) en un mouvement linéaire de l'élément de commande (102). Le frein comporte un organe de remise à zéro conçu pour remettre à zéro le lien existant entre une donnée destinée à l'organe de détection (60) et le frein au cours de l'entretien du frein. L'organe de remise à zéro comporte un dispositif d'ajustement de la longueur effective de l'élément de commande (102).
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