Compressor with combined pressure sensor and high pressure relie

Details Compressor with combined pressure sensor and high pressure relie Compressor with combined pressure sensor and high pressure relie

1998-04-08

1999-11-16

Leung, Philip H.

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

417306, 417311, 417 63, 137510, 137540, 200 83Q, 210 90, 251 75, F04B 4900

Patent

active

059846453

ABSTRACT:
A combined compressor pressure sensor and excess pressure relief valve (12) uses a formed disk (22) that snaps down and back up at a pair of predetermined pressures. The disk (22), when it snaps down, opens a plug (34) to in turn allow excess pressure from the compressor (10) to escape. When up, the plug (34) remains sealed, the outside vents (42) remain blocked, and compressor gas flow only through the center of the plug (34) and disk (22) to a sensing chamber (46).

REFERENCES:
patent: 4400601 (1983-08-01), Brucken
patent: 4932841 (1990-06-01), Havemann
patent: 4938272 (1990-07-01), Sandy, Jr. et al.
patent: 5153396 (1992-10-01), Cummings
patent: 5192425 (1993-03-01), Cypheres et al.
patent: 5211372 (1993-05-01), Smith
patent: 5913664 (1999-06-01), Shimizu et al.

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