F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 66/00 (2006.01) B60T 17/22 (2006.01) F16D 66/02 (2006.01)
Patent
CA 2310476
The present invention relates to a brake monitoring system for trucks, tractors, trailers or buses (class 6, 7 & 8 vehicles) using air brakes. In particular the present invention provides apparatus to monitor the braking system and the brake pad S-CAM positioning comprising a positioning transducer which can convert the rotational movement of the brake cam shaft S-CAM to an electrical signal. This signal is used as the input to a microprocessor system for further analysis and comparison in determining the condition of the S-CAM operations. The transducer signal not only provides the S-CAM position, but the speed of rotation both in braking and release of the brakes. There are many variables that can change the brake shoe application from the source (actuator canister) to the S-CAM including brake drum wear, worn S-CAM bushing, brake pad wear, worn pins & rollers, brake drum failure expanse(cracked drum), worn slack adjusters, pinched airlines, worn or broken return springs, brake chamber diaphragm braking, faulty modulator valve and brake release. After analyzing the signal from the transducer with a microprocessor system some of the failure of the braking system can be detected. By comparing the signal from different wheels, the system can detect delays of applying brakes or delays of releasing brakes which also could be a failure condition of the air brake system.
Adams Ken
Chia Sam
Mantini John
Adams Ken
Chia Sam
Dennison Associates
Mantini John
LandOfFree
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