Pneumatic brake system with safe drainage circuit and method...

Details Pneumatic brake system with safe drainage circuit and method... Pneumatic brake system with safe drainage circuit and method...

2010-07-12

2011-10-18

Schwartz, Christopher (Department: 3657)

Fluid-pressure and analogous brake systems

Speed-controlled

Pneumatic

C303S003000

Reexamination Certificate

active

08038232

ABSTRACT:
A pneumatic brake system for a motor vehicle includes a compressed air system including a plurality of compressed air reservoirs containing compressed air. A service brake system in fluid communication with the compressed air system is operably engaged by application of the compressed air from the compressed air system. A parking brake system in fluid communication with the compressed air system is operably engaged upon the engagement of a spring brake component. A compressed air release system is coupled to the compressed air system and the parking brake system. The compressed air release system is configured to receive a command and in response to the command drain compressed air from the compressed air system if the parking brake system is engaged.

REFERENCES:
patent: 6752472 (2004-06-01), Bezzina
patent: 7784879 (2010-08-01), Koelzer
patent: 2005/0116533 (2005-06-01), Herges et al.
patent: 2006/0232125 (2006-10-01), Thomas

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