Resonator for hermetic rotary compressor

Details Resonator for hermetic rotary compressor Resonator for hermetic rotary compressor

1991-10-22

1993-04-20

Bertsch, Richard A.

Pumps

With muffler acting on pump fluid

181403, 181269, F04B 3900, F01N 102

Patent

active

052036790

ABSTRACT:
A resonator of a hermetic rotary compressor in which noise is reduced to a maximum extent by effectively absorbing high frequency pressure components inside a cylinder of the compressor. The resonator comprises a resonator space of bi-level configuration disposed between a bearing flange and a matching cylinder face surface. This resonator space communicates with a discharge part defined in the compressor through an entrance channel which has a tapered surface to form a narrow inlet and a wide outlet. With this construction, the resonator effectively reduces the high frequency component out of gas pulsation generated in the cylinder.

REFERENCES:
patent: 2738657 (1956-03-01), Jacobs
patent: 4573879 (1986-03-01), Uetuji
patent: 4730996 (1988-03-01), Akatsuchi et al.
patent: 4781545 (1988-11-01), Yokomizo et al.
patent: 4927342 (1990-05-01), Kim et al.
patent: 4990073 (1991-02-01), Kudo et al.
patent: 5004410 (1991-04-01), Da Costa

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