Service brake relay with integrated quick release valve

Details Service brake relay with integrated quick release valve Service brake relay with integrated quick release valve

2006-02-16

2010-02-09

Schwartz, Christopher P (Department: 3657)

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

C303S028000

Reexamination Certificate

active

07658453

ABSTRACT:
A combination quick release and service relay brake valve assembly is used to consolidate multiple valve functions within a common valve assembly, which reduces cost and overall complexity in an associated vehicle brake system. The combination quick release and service relay brake valve assembly includes a valve body with a quick release portion that has a parking brake port and a service brake control port, which is in fluid communication with an anti-compounding passage. The valve body also includes a service relay portion that has a supply port fluidly connected to a service brake air reservoir and a delivery port fluidly connected to a brake actuator that generates service brake requests.

REFERENCES:
patent: 3861754 (1975-01-01), Kruke et al.
patent: 4121873 (1978-10-01), Durling
patent: 5340212 (1994-08-01), Latvala
patent: 6116280 (2000-09-01), Goodell
patent: 6386649 (2002-05-01), Ross
patent: 6655750 (2003-12-01), Soupal
patent: 7077481 (2006-07-01), Marsh et al.
patent: 2006/0076824 (2006-04-01), Soupal
patent: 2008/0258542 (2008-10-01), Soupal

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