Rotary compressor having a roller mounted eccentrically in a cyl

Details Rotary compressor having a roller mounted eccentrically in a cyl Rotary compressor having a roller mounted eccentrically in a cyl

1996-04-22

1998-03-31

Freay, Charles G.

Rotary expansible chamber devices

Moving cylinder

Rotating

418177, F03C 200

Patent

active

057331120

ABSTRACT:
A rotary compressor has a motor-driven rotary body forming a cylindrical chamber in which a roller is rotatable about an axis eccentrically related to the axis of the chamber. The roller is of less diameter than the chamber so that the roller and chamber walls form a space. Vanes are slidably mounted in the body and are spring biased radially against the roller to divide the space into pockets. The volume of each pocket expands and contracts as the body is rotated. A gas inlet and a gas outlet are disposed at an axial end of the chamber. Each pocket communicates with the inlet to draw-in gas during the volume expansion. The drawn-in gas is pressurized during an initial phase of the volume contraction and then discharged through the gas outlet during a subsequent phase of the volume contraction.

REFERENCES:
patent: 333994 (1886-01-01), Chichester
patent: 2122462 (1938-07-01), Fricke
patent: 2670894 (1954-10-01), Warrick et al.
patent: 4477231 (1984-10-01), Swift

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