Gas compressor head and discharge valve construction

Details Gas compressor head and discharge valve construction Gas compressor head and discharge valve construction

1990-06-01

1992-01-14

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

13754315, 417569, F16K 1502

Patent

active

050801309

ABSTRACT:
A single or multi-cylinder compressor unit being cylinder wall ported and having suction inlet means to compression chamber means through the wall and top of piston means, wherein suction valve means comprises preferably a light-weight plastic disc means mouted in an essentially free-floating manner in the piston means top, the discharge valving cooperatively comprises discharge porting plate means and discharge valve disc means reciprocably mounted on bearing means in the compressor head for enhanced operating accuracy and seat longevity and adapted to seal discharge port aperture means in the plate means on the suction stroke, and wherein the piston means top, the compression side of the suction valve disc means, the compression side of the porting plate means, and the compression side of the discharge valve disc means all being adapted to lie substantially in the same plane at the apex of the compression stroke to essentially eliminate gas reexpansion.

REFERENCES:
patent: 370896 (1887-10-01), Schuehle
patent: 490526 (1893-01-01), Wheeler
patent: 1427837 (1922-09-01), Murray
patent: 1487023 (1924-03-01), Riesner
patent: 1529258 (1925-03-01), Lipman
patent: 2725076 (1955-11-01), Hansen
patent: 4329125 (1982-05-01), Chambers
patent: 4955796 (1990-09-01), Terwilliger

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