Connection between a refrigerant pipe and a suction muffler of a

Details Connection between a refrigerant pipe and a suction muffler of a Connection between a refrigerant pipe and a suction muffler of a

1997-07-14

1999-03-30

Thorpe, Timothy S.

Pumps

With muffler acting on pump fluid

417902, 184 624, F04B 3900

Patent

active

058880550

ABSTRACT:
A hermetic reciprocating compressor comprises a hermetic casing and a compressing portion installed inside the casing. The compressing portion includes a cylinder, and a piston reciprocating inside the cylinder. A suction pipe transfers a mixture of compressible and incompressible media (e.g. gaseous refrigerant and lubricating oil) into the casing. A suction muffler has an inlet communicating with the suction pipe and an outlet connected to the compressing portion. A tubular spring has a first end portion of frusto-conical shape fitted into the inlet of the suction muffler so that a space is formed between the first end portion of the spring and the inlet of the suction muffler, and a second end portion connected to the suction pipe. Incompressible medium in the mixture is able to gravitate out of the suction muffler through the space, thereby preventing damage to internal parts of the compressing portion.

REFERENCES:
patent: 863607 (1907-08-01), Holder
patent: 5252035 (1993-10-01), Lee

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