Piston compressor for the oilfree compression of a gas

Details Piston compressor for the oilfree compression of a gas Piston compressor for the oilfree compression of a gas

1992-06-22

1993-04-06

Look, Edward K.

Expansible chamber devices

With separable fluid deflecting shield or baffle on working...

92 82, 92168, 277153, 277206R, F04B 2104

Patent

active

051993457

ABSTRACT:
The piston compressor exhibits at least one piston (7) which is supported to be freefloating and connected via a piston rod (6) to a crosshead (5). The piston rod slides in a guide bearing (8) next to the crosshead in a gland (11) next to the cylinder. A ring (15) of porous material is arranged on the piston rod (6) between the guide bearing (8) and the gland (11). The ring (15) exhibits a circumferential groove which is intended for receiving a tubular spring and the depth of which--measured from the outside transversely to the longitudinal axis (6') of the piston rod--is at least as great as the outer diameter of one turn of the tubular spring.

REFERENCES:
patent: 1960927 (1934-05-01), Siegert
patent: 2204374 (1940-06-01), Metzgar
patent: 2878990 (1959-03-01), Zurcher
patent: 4140442 (1979-02-01), Mulvey

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