Rotary compressor

Details Rotary compressor Rotary compressor

1984-06-21

1986-03-04

Look, Edward K.

Pumps

With muffler acting on pump fluid

181403, 417902, F04B 2100

Patent

active

045738793

ABSTRACT:
A rotary compressor for refrigerating apparatuses, including a motor unit, a compressor mechanism section including a cylinder, rotary piston in the cylinder and a bearing between the motor unit and the cylinder, and a discharge muffler. The discharge muffler is formed of a diaphragm and a discharge cover placed over a surface of the bearing opposite the motor unit, the surface of the bearing covered by the diaphragm having a concavity therein housing a valve leading to the cylinder. The diaphragm has a permanently open diaphragm hole for permitting the pressurized gas therein to flow into a discharge chamber defined between the diaphragm and the discharge cover, whereby the portion of the concavity not filled by the valve and the diaphragm define a muffler for muffling sounds of the compressor.

REFERENCES:
patent: 2200222 (1940-05-01), Tarleton
patent: 2764342 (1956-09-01), Dills
patent: 3252425 (1966-05-01), Witt
patent: 3459275 (1969-08-01), Prillwitz et al.
patent: 3513476 (1970-05-01), Monden et al.
patent: 3676021 (1972-07-01), Warner
patent: 4088428 (1978-05-01), Bannister et al.

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