Temperature responsive valve assembly for a pneumatic spring

Details Temperature responsive valve assembly for a pneumatic spring Temperature responsive valve assembly for a pneumatic spring

2005-11-01

2005-11-01

Schwartz, Chris (Department: 3683)

Spring devices

Fluid

Expansible-contractible chamber device

C267S064120, C188S300000

Reexamination Certificate

active

06959921

ABSTRACT:
A temperature responsive valve assembly for a gas spring includes a valve body, a seal, a bi-metal valve and a locking member. The valve body includes a flexible radial member defined along the outer periphery of the valve body. Each radial member includes a radially inward extending tab which engages the outer diameter of the locking member. The construction allows the temperature responsive valve assembly to be essentially “snapped” together. The locking member further includes axial spring feet which provide axial pressure upon the bi-metal valve to maintain engagement with the valve seat.

REFERENCES:
patent: 3804326 (1974-04-01), McIntire
patent: 3857373 (1974-12-01), Martin et al.
patent: 4156518 (1979-05-01), Ludwig
patent: 4408751 (1983-10-01), Dodson et al.
patent: 4570912 (1986-02-01), Dodson et al.
patent: 4705059 (1987-11-01), Lecerf et al.
patent: 4793372 (1988-12-01), Gauthier et al.
patent: 5628496 (1997-05-01), Chamberlin
patent: 6425279 (2002-07-01), Jeffries

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