Pump system for parking brakes for a rail vehicle

Fluid-pressure and analogous brake systems – Locks

Reexamination Certificate

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Details

C303S011000, C303S015000, C303S018000

Reexamination Certificate

active

07621604

ABSTRACT:
The present disclosure relates to a pump system for parking brakes for a rail vehicle. The pump system includes at least one actuator, at least one pump and a reservoir as a fluid source. Also included is a manifold in fluid communication with the reservoir and the actuator. Further included are a plurality of valves and fluid paths internal to the manifold to allow fluid flow among the at least one pump and the reservoir.

REFERENCES:
patent: 2079684 (1937-05-01), Church
patent: 3133419 (1964-05-01), Rollitt
patent: 3844624 (1974-10-01), Jones
patent: 3891277 (1975-06-01), Cope
patent: 3944286 (1976-03-01), Engle et al.
patent: 4201277 (1980-05-01), Meier
patent: 4653812 (1987-03-01), Engle
patent: 4733602 (1988-03-01), Smith et al.
patent: 4746171 (1988-05-01), Engle
patent: 4841872 (1989-06-01), Wicks et al.
patent: 4874065 (1989-10-01), Engle
patent: 4978178 (1990-12-01), Engle
patent: 5143429 (1992-09-01), Higashimata et al.
patent: 5312172 (1994-05-01), Takeuchi
patent: 5607207 (1997-03-01), Nagashima et al.
patent: 5701975 (1997-12-01), Hawryszkow
patent: 5813731 (1998-09-01), Newman, II et al.
patent: 6231133 (2001-05-01), Tsukamoto
patent: 6375278 (2002-04-01), Sauter et al.
patent: 6394559 (2002-05-01), Ring et al.
patent: 6848754 (2005-02-01), Ring et al.
patent: 0 168 050 (1996-01-01), None
patent: 1 404 902 (1975-09-01), None
Technology Digest, Evaluation of a Hydraulic Freight-Car Parking Brake, AAR, Aug. 1998.
Graham-White, SafeSet™ Hydraulic Parking Brake for Freight Cars, Air Brake Association Annual Technical Conference, Sep. 22, 1998.

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