Zinc-air battery control valve

Details Zinc-air battery control valve Zinc-air battery control valve

2005-10-18

2005-10-18

Fox, John (Department: 3753)

Fluid handling

Systems

Multi-way valve unit

C251S011000, C429S006000, C429S006000

Reexamination Certificate

active

06955187

ABSTRACT:
A zinc-air battery and control valve for controlling air flow to energize the battery. Telescoping inner and outer valve sleeves each have a plurality of openings that when aligned communicate air from the exterior to the interior of the valve. Two actuators are provided, one to open the valve and the other to close it. All of the openings are opened or closed simultaneously by sliding motion of the valve sleeves that fit concentrically together. A bistable latching mechanism is provided to keep the valve in either of its two positions. A pair of switches operate in coordination with the latching mechanism so that a closed circuit is established for changing the state from that which was last established.

REFERENCES:
patent: 4177327 (1979-12-01), Mathews et al.
patent: 4893655 (1990-01-01), Anderson
patent: 5116252 (1992-05-01), Hartman
patent: 5218998 (1993-06-01), Bakken et al.
patent: 5837394 (1998-11-01), Schumm, Jr.
patent: 6386507 (2002-05-01), Dhuler et al.
patent: 6811910 (2004-11-01), Tsai et al.

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