Rotary compressor having discharge muffling

Details Rotary compressor having discharge muffling Rotary compressor having discharge muffling

2008-04-22

2008-04-22

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

C418S063000, C418S181000

Reexamination Certificate

active

07361005

ABSTRACT:
A high inner pressure type multistage compression rotary compressor having a support member blocking an opening of a cylinder constituting the rotary compression element and having a bearing of a rotary shaft. The surface of the support member on a side opposite to the cylinder is depressed, and a rib is added to a part of this depressed portion. A discharge muffling chamber formed in the surface of the support member on the side opposite to the cylinder is divided into a plurality of discharge muffling chambers, and the divided discharge muffling chambers are connected to each other by a passage disposed it a blocking plate and/or the rib.

REFERENCES:
patent: 2764342 (1956-09-01), Dills
patent: 3130902 (1964-04-01), Brown
patent: 4636154 (1987-01-01), Sugiyama et al.
patent: 01182595 (1989-07-01), None
patent: 2001082371 (2001-03-01), None
patent: 2003-97473 (2003-04-01), None

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