Rotary compressor with sound suppression tubular cavity section

Details Rotary compressor with sound suppression tubular cavity section Rotary compressor with sound suppression tubular cavity section

1988-02-19

1988-11-01

Vrablik, John J.

Pumps

With muffler acting on pump fluid

418181, 181230, F04B 3900, F04C 2906

Patent

active

047815450

ABSTRACT:
A rotary compressor comprises a rotary shaft for compression action, a bearing which supports the rotary shaft and includes a discharge valve to discharge compressed gas and a sound suppression cover which covers the discharge valve, so that an annular discharge chamber is formed between the sound suppression cover and the bearing. At least one tubular cavity section with a bottom is provided to open into the discharge chamber at a location adjacent the discharge valve. The tubular cavity section has a length approximately one-fourth of the average circumference length of the discharge chamber.

REFERENCES:
patent: 3429397 (1969-02-01), Case
patent: 3635299 (1972-01-01), Hayes
patent: 4212370 (1980-07-01), Dreher et al.

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