Rotary compressors

Details Rotary compressors Rotary compressors

1974-05-08

1976-02-03

Husar, C. J.

Pumps

With muffler acting on pump fluid

417363, 418 97, 418149, 418181, F04B 1700

Patent

active

039362388

ABSTRACT:
A high-speed rotary vacuum pump has a compression chamber which is spaced from the walls of a housing by at least one body of acoustic insulation material which acts to absorb noise, to position the chamber with respect to the housing, and to form a fluid-tight seal between the chamber and the housing in the region where the rotary drive shaft of the pump projects from the compression chamber. The drive shaft and the gas inlet and outlet ducts are also acoustically insulated.

REFERENCES:
patent: 2291346 (1942-07-01), Robinson
patent: 2634904 (1953-04-01), Clerc
patent: 2928961 (1960-03-01), Morrill
patent: 3604820 (1971-09-01), Scheller
patent: 3744942 (1973-07-01), Mount

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