Hydraulic valve and a liquid flow system

Details Hydraulic valve and a liquid flow system Hydraulic valve and a liquid flow system

2005-08-16

2005-08-16

Mancene, Gene (Department: 3754)

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

C251S294000, C251S343000, C137S625380

Reexamination Certificate

active

06929241

ABSTRACT:
This invention relates to a hydraulic valve (10) and an interconnected hydraulic valve system, (10, 12). Two coaxially disposed pipes (14, 20) are positioned vertically to form an annular space (11) there between. A flange (22) provided with a external seal (23) cooperates with an end of the outer pipe (20). Openings (18) formed in the inner pipe (14) regulates water flow. The inner pipe is also sealingly interconnected with a main supply pipe (12) for entry of water through opening (16). An electrical motorized hoist (26) provides for activation and operation of the hydraulic valve system.

REFERENCES:
patent: 392499 (1888-11-01), Coldwell
patent: 2699653 (1955-01-01), Ponsar
patent: 3025880 (1962-03-01), Anderson
patent: 3159172 (1964-12-01), Baxter
patent: 3874596 (1975-04-01), Baxter
patent: 4783048 (1988-11-01), St. Clair

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