Suction muffler

Details Suction muffler Suction muffler

1990-10-24

1992-07-14

Smith, Leonard E.

Pumps

With muffler acting on pump fluid

181227, 181250, F04B 3900, F01N 702

Patent

active

051297930

ABSTRACT:
A refrigeration compressor incorporating an improved suction muffler is disclosed. The suction muffler provides dual sound attenuating chambers within a single housing, which housing is secured to the suction inlet conduit extending between the motor cover and suction inlet for the compressor. Integrally formed openings in the sidewall of the conduit provide communication with each of the two chambers and the respective chambers may be tuned to attenuate different specific frequencies. Internal integrally formed baffles within each of the chambers serve to eliminate standing waves within the chambers as well as adding stiffness to the muffler.

REFERENCES:
patent: 2297046 (1942-09-01), Bourne
patent: 3263772 (1966-08-01), Irwin et al.
patent: 4325458 (1982-04-01), Bshorr
patent: 4418443 (1983-12-01), Fischer
patent: 4755108 (1988-07-01), Todescat et al.
patent: 4759693 (1988-07-01), Outzen

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