Rolling-piston expander apparatus

Details Rolling-piston expander apparatus Rolling-piston expander apparatus

1996-08-14

1998-07-07

Mohanty, Bibhu

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

417292, 417293, 418 11, F04B 4900, F01C 130

Patent

active

057758832

ABSTRACT:
A rolling-piston expander has a hermetic casing 7 provided with a suction pipe 3 and a discharge pipe 5, a cylinder 13 disposed in the casing, a roller 31 eccentrically rotated in the cylinder, an expansion chamber 39 defined by the roller and communicating with a suction port 47 and a discharge port 55, a shaft 19 for supporting the roller so that the roller may eccentrically rotate, a suction timing controller 51 consisting of the ports 47 and 51, for controlling the timing of the supply of gas into the expansion chamber, and a bypass for supplying high-pressure gas into the expansion chamber when the suction timing is off.

REFERENCES:
patent: 4558993 (1985-12-01), Hori et al.
patent: 4859159 (1989-08-01), Aihara
patent: 5338161 (1994-08-01), Eley

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