Rotary compressor with rotation preventing pin

Details Rotary compressor with rotation preventing pin Rotary compressor with rotation preventing pin

1993-05-24

1994-09-20

Bertsch, Richard A.

Rotary expansible chamber devices

Working member has planetary or planetating movement

With relatively movable partition member

418248, F01C 102

Patent

active

053484550

ABSTRACT:
A rotary compressor including an orbiting piston is disposed within a cylinder bore. A drive shaft with an attached eccentric causes the piston to orbit within the cylinder block. Rotation of the piston is prevented by a pin radially disposed on the piston and slidably engaged through a recess in the cylinder bore. A plastic pinion is interfit about the radially outward end of the pin and disposed within the recess to prevent piston rotation and reduce re-expansion volume.

REFERENCES:
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patent: 1633056 (1927-06-01), Wishart
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patent: 2010761 (1935-08-01), Hazlinger
patent: 2476383 (1949-07-01), Porteous
patent: 2800274 (1957-07-01), Markaroff
patent: 2859911 (1958-11-01), Reitter
patent: 3554676 (1971-01-01), Porteous
patent: 3882827 (1975-05-01), Williams
patent: 4265605 (1981-05-01), Ito
patent: 4508495 (1985-04-01), Monden
patent: 5129799 (1992-07-01), Scheldorf

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