Rolling piston compressor

Rotary expansible chamber devices – Multistage – One working chamber stage encircles another

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418 11, 418 59, F04C 2300

Patent

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053990765

ABSTRACT:
A rolling piston type compressor of a simplified design having a single rolling piston, capable of reducing a variation in torque. The compressor has a housing in which a rolling piston 42 is arranged so that an orbital movement of the rolling piston is obtained about the axis of a crankshaft 5, so that a first operating chamber 40 is formed between the rolling piston 42 and the housing. A cylindrical pillar 47 which is stationary is arranged in the rolling piston, so that a second operating chamber is formed between the rolling piston and the pillar. The medium compressed in the first operating chamber is introduced into the second operating chamber for obtaining two step compression.

REFERENCES:
patent: 2759664 (1956-08-01), Auwarter
patent: 5015161 (1991-05-01), Amin et al.
"Essences of Air Conditioning Device for an Automobile", May 20, 1989, Tesudo Nipponsha.

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