Shuttling vehicle leveling valve

Details Shuttling vehicle leveling valve Shuttling vehicle leveling valve

2006-10-10

2006-10-10

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Systems

Supply and exhaust

C251S175000, C251S176000, C251S319000

Reexamination Certificate

active

07117890

ABSTRACT:
A valve for supplying pressured air to vehicle air bags, includes a shuttle (20) with a valving member (80) having a precision polished seal surface (86) that presses against a precision polished sealed-against housing lower surface (50) of a housing (14) that confines the shuttle to sliding left and right. A recess (90) in the valving member can connect first and second holes (52and56, 58) in the housing lower surface, or isolate the holes from each other. The shuttle includes a shuttle frame (70) with a vertical bore (74) that receives a guiding part (82) of the valving member. A conduit extends from the valving member recess to a sealed region (102) at the top of the vertical passage to pressurize the sealed region with pressured air, to push down the valving member against the housing lower surface.

REFERENCES:
patent: 14999 (1856-06-01), Burdon
patent: 253166 (1882-01-01), Hooker
patent: 299004 (1884-05-01), Pearson
patent: 5312119 (1994-05-01), Schneider et al.
patent: 5682922 (1997-11-01), Galazin et al.
patent: 6202992 (2001-03-01), O'Reilly et al.

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