Trapped gas removal in liquid gas accumulator

Details Trapped gas removal in liquid gas accumulator Trapped gas removal in liquid gas accumulator

2005-12-06

2005-12-06

Brinson, Patrick (Department: 3754)

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

C138S026000, C220S721000, C220S530000

Reexamination Certificate

active

06971411

ABSTRACT:
A hydraulic accumulator of the liquid-gas type, comprising a housing (11) defining a chamber (11C), a gas port (30) and a liquid port (19). A gas charging valve (31) is disposed in the gas port (30) to control admission of high pressure gas. A semi-permeable separator (35) is disposed within the housing (11) to separate the internal chamber (11C) into a gas chamber (33) in communication with the gas port (30), and a liquid chamber (21) in communication with the liquid port. A means (41) is within the liquid chamber for collecting gas which passes from the gas chamber (33), through the semi-permeable separator, and into the liquid chamber. Included is a conduit (45) having one end (45a) in communication with the gas collecting means (41), and another end (45b) operably associated with the housing (11,27) to communicate gas from the collecting means (41) out of the liquid chamber.

REFERENCES:
patent: 3368586 (1968-02-01), French et al.
patent: 3907000 (1975-09-01), Carr
patent: 4032265 (1977-06-01), Miller
patent: 4328836 (1982-05-01), Petrie
patent: 5427152 (1995-06-01), Weber
patent: 5520208 (1996-05-01), Schneider
patent: 5944217 (1999-08-01), Baena
patent: 2003/0111124 (2003-06-01), Gray, Jr.

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