High frequency noise suppressor for hermetic rotary compressors

Details High frequency noise suppressor for hermetic rotary compressors High frequency noise suppressor for hermetic rotary compressors

1990-02-27

1991-04-02

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

With relatively movable partition member

418181, 181403, F04C 2906, F04C 18356

Patent

active

050044109

ABSTRACT:
A system to dampen high frequency noises in hermetic rotary compressors of the rolling piston type, usually employed in small refrigeration and air conditioning compressors without causing an increase in the cylinder dead volume, and, accordingly, a decrease in the compressor volumetric performance. A resonating chamber is provided in the cylinder or bearing and communication between the compression chamber to the resonator chamber is provided by the vane which rides on the rotating piston as it tilts toward and away from the resonating chamber or passage leading to the chamber.

REFERENCES:
patent: 3513476 (1970-05-01), Monden et al.
patent: 4429351 (1984-01-01), Sano
patent: 4618317 (1986-10-01), Matsuzaki
patent: 4629403 (1986-12-01), Wood

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