Rotary expansible chamber devices – With plural working fluid inlet or outlet passages
Patent
1989-10-04
1991-04-02
Koczo, Michael
Rotary expansible chamber devices
With plural working fluid inlet or outlet passages
418 63, F04C 2908
Patent
active
050044087
ABSTRACT:
Discharge system for rotary rolling piston compressor of the type that comprises a cylinder housing a rolling annular piston and a sliding vane which defines a suction and discharge volumes in the space between the piston and the cylinder and the inner faces of main and sub bearing plates, one of the plates having a discharge valve in communication with the discharge volume and being provided with a suction orifice. A gas outlet means communicates with the interior of the cylinder and has at least two gas intake positions one arranged in the extreme final region of the discharge volume and the other arranged radially set back and angularly advanced relative to the first.
REFERENCES:
patent: 1931017 (1933-10-01), Buchanan et al.
patent: 2763472 (1956-09-01), Fontaine
patent: 4730996 (1988-03-01), Akatsuchi et al.
Empresa Brasileira de Compressores S/A - Embraco
Koczo Michael
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