Discharge arrangement for a hermetic compressor

Details Discharge arrangement for a hermetic compressor Discharge arrangement for a hermetic compressor

1997-01-30

1998-06-09

Thorpe, Timothy

Pumps

With muffler acting on pump fluid

417902, 181403, F04B 3900

Patent

active

057624798

ABSTRACT:
In a compressor there is a hermetic case (1) having a high pressure gas outlet (1a) that houses a cylinder block (3) defining a gas suction chamber (7) and a gas discharge chamber (8). A main gas discharge tube (9) has an inlet end (9a) in fluid communication with the gas discharge chamber (8) and an outlet end (9b) communicating the gas discharge chamber (8) with the gas outlet (1a) of the case. At least one gas discharge auxiliary tube (10) is provided with an inlet end (11) receiving gas from the discharge chamber (8) and an outlet end (12) to provide the gas to the gas stream flowing in the main gas discharge tube. Each discharge auxiliary tube (10) has a length corresponding to a fraction, or multiple, of the wave length of a frequency of a gas pulsation signal at the gas discharge chamber outlet and produces at its gas outlet end (12) where it mixes with the gas from the main discharge tube, a modification in the phase of a determined frequency of said gas pulsation signal to reduce the intensity of this signal at the gas outlet (1a) of the hermetic case (1).

REFERENCES:
patent: 3820921 (1974-06-01), Thayer
patent: 4231228 (1980-11-01), Galvin et al.
patent: 4642035 (1987-02-01), Nyquist
patent: 4923374 (1990-05-01), Lundin et al
patent: 5173034 (1992-12-01), Riffe
patent: 5238370 (1993-08-01), Diflora
patent: 5435700 (1995-07-01), Park
patent: 5507151 (1996-04-01), Ring et al.

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