In-tank hydrogen distribution valve

Details In-tank hydrogen distribution valve In-tank hydrogen distribution valve

2007-03-27

2007-03-27

Fox, John (Department: 3753)

Fluid handling

Systems

Multi-way valve unit

C137S206000, C123SDIG012, C429S006000

Reexamination Certificate

active

11069191

ABSTRACT:
A hydrogen distribution valve for alternately distributing gaseous and liquid hydrogen from a tank is disclosed. The hydrogen distribution valve includes a valve housing having a gaseous hydrogen inlet, a liquid hydrogen inlet, a hydrogen outlet and a reference pressure port for receiving a reference hydrogen pressure. A rocker valve is provided in the valve housing for alternately sealing the gaseous hydrogen inlet and the liquid hydrogen inlet. A bias mechanism engages the rocker valve for biasing the rocker valve in sealing engagement with said liquid hydrogen inlet. A valve membrane is provided in fluid communication with the reference pressure port and engages the valve head for biasing the valve head in sealing engagement with the gaseous hydrogen inlet.

REFERENCES:
patent: 4463735 (1984-08-01), Stoltman
patent: 6953028 (2005-10-01), Bingham et al.

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