Combined valving system for spring brake actuator

Details Combined valving system for spring brake actuator Combined valving system for spring brake actuator

1998-05-19

2000-06-27

Look, Edward K.

Motors: expansible chamber type

Relatively movable working members with one having motive...

One working member oppositely biased by another

91178, 91523, 92 63, F01B 100

Patent

active

060793120

ABSTRACT:
An improved spring brake actuator includes an improved valve housing which incorporates pressure test points into the air supply, and further incorporates an anti-compounding valve. By incorporating the anti-compounding valve and test points directly into the valve manifold, the inventive spring brake actuator reduces the number of separate parts. The anti-compounding valve is operable to insure that there will be no compounding of the braking force.

REFERENCES:
patent: 5286095 (1994-02-01), Sell et al.
patent: 5671654 (1997-09-01), Plantan

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