Reversible rotary compressor and reversible refrigerating cycle

Details Reversible rotary compressor and reversible refrigerating cycle Reversible rotary compressor and reversible refrigerating cycle

1994-04-29

1996-06-04

Bennet, Henry A.

Refrigeration

Reversible, i.e., heat pump

With flow control or compressor details

418 63, F04C 1700

Patent

active

055222358

ABSTRACT:
The invention concerns a reversible rotary compressor which can compress refrigerant in either of the forward and reverse directions, without providing a valve mechanism in a closed container. In a reversible rotary compressor including a cylinder, a rolling piston, and a slide vane, two inlet/outlet ports are formed in a space between the outer surface of the rolling piston and the inner surface of the cylinder in a state that the two inlet/outlet ports are disposed on both sides of the slide vane. The two inlet/outlet ports are closed by the rolling piston when the rolling piston is positioned at the top dead center and fully opened when the rolling piston is positioned at the bottom dead center. Two refrigerant pipes, coupled with the inlet/outlet ports, are provided in the side wall of the cylinder. The two refrigerant pipes are closed by the rolling piston when the rolling piston when the rolling piston is positioned at the top dead center and fully opened when the rolling piston is positioned at the bottom dead center.

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patent: 985562 (1911-02-01), Williams
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patent: 4445344 (1984-05-01), Ladusaw
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patent: 4629403 (1986-12-01), Wood
patent: 4702088 (1987-10-01), Ozu
patent: B14983108 (1992-07-01), Kawaguchi et al.

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