3620652 is referenced by 11 patents and cites 6 patents.

A hermetically sealed compressor having a rolling diaphragm seal between the piston and the cylinder with liquid support for the diaphragm. An inlet valve is formed by a piston ring incorporated in a groove in the portion of the piston wall or located between the rolling diaphragm and the working space. A control device maintains a substantially constant pressure differential across the diaphragm.

Title
Compressor with rolling diaphragm seal
Application Number
04/881,691
Publication Number
3620652
Application Date
December 3, 1969
Publication Date
November 16, 1971
Inventor
NL
Jacobus Hubertus Abrahams Emmasingel
NL
Hendrik Alphons Jaspers Emmasingel
Agent
Frank R Trifari
Assignee
US Philips Corporation New York NY
IPC
F01b 19/00
F16j 15/50
F04b 21/00
F04B 25/02
F04B 25/00
F04B 39/00
F04B 39/04
F16J 03/00
F16J 03/06
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