Airbag valve with adjustable dead band

Details Airbag valve with adjustable dead band Airbag valve with adjustable dead band

2005-09-20

2005-09-20

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Systems

Multi-way valve unit

Reexamination Certificate

active

06945275

ABSTRACT:
A vehicle leveling valve for flowing pressured air to an airbag when its height falls below a predetermined height at the bottom of a height range, and for flowing air out of the airbag when its height rises above the top of the height range, which enables easy adjustment. A main valve member has a sealing surface (36) with a slot (34) therein. A disc (30) that pivots as the airbag height changes, has bores (122) that hold inserts (42, 46) with passages (40, 44). The inserts are biased against the sealing surface and have passage near ends (150) that lie adjacent to the slot ends. Each insert can pivot about a pivot axis within a disc bore (122), and each passage near end has a center (130) that is offset from the pivot axis (132a). Each insert can be pivoted about the pivot axis to shift the passage end slightly closer or further from the slot end (102) to adjust the top or bottom of the height zone.

REFERENCES:
patent: 5934320 (1999-08-01), O'Reilly et al.
patent: 6202992 (2001-03-01), O'Reilly et al.

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