Compressor sound suppression

Details Compressor sound suppression Compressor sound suppression

2007-01-02

2007-01-02

Freay, Charles G. (Department: 3746)

Pumps

With muffler acting on pump fluid

C181S212000, C029S888021, C029S888023

Reexamination Certificate

active

11008850

ABSTRACT:
A compressor has a housing. One or more working elements cooperate with the housing to define a compression path between suction and discharge locations. An intermediate port is located along the compression path. A branch path extends to the intermediate port. The compressor includes means for limiting pressure pulsations along the branch path.

REFERENCES:
patent: 3890461 (1975-06-01), Vogelman et al.
patent: 3913346 (1975-10-01), Moody et al.
patent: 4573324 (1986-03-01), Tischer et al.

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