Hermetically sealed motor compressor

Details Hermetically sealed motor compressor Hermetically sealed motor compressor

1985-03-04

1986-03-04

Look, Edward K.

Pumps

With muffler acting on pump fluid

181403, 417902, F04B 3900

Patent

active

045738807

ABSTRACT:
A hermetically sealed motor compressor for use in a small-size refrigerating machine, refrigerator, freezer and the like has a compressor on which is mounted a silencer comprising in combination a suction muffler of thermal insulating and a discharge muffler made of formed metal plates. The suction muffler has an suction port disposed near the open end of a suction coupling fixed to a sealed casing, and also has an connection pipe connected to a compressor cylinder and having a distal end fitted directly in a hole defined in an head plate which is mounted on the head of the cylinder. A refrigerant gas as it is introduced from the suction coupling into the sealed casing can be drawn into the cylinder through the suction port, the suction muffler and the connection pipe to minimize heat transfer to the suction gas, so that the compressor can increase its volumetric efficiency.

REFERENCES:
patent: 3396907 (1968-08-01), Valbjorn
patent: 3514225 (1970-05-01), Monden et al.
patent: 3544240 (1970-12-01), Rundell
patent: 3664769 (1972-05-01), Knudsen et al.
patent: 3679333 (1972-07-01), Zoppi
patent: 4115035 (1978-09-01), Tankred et al.
patent: 4313715 (1982-02-01), Richardson
patent: 4345882 (1982-08-01), Saito et al.
patent: 4370104 (1983-01-01), Nelson et al.

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