Blade-type rotary compressor with full unloading and oil sealed

Details Blade-type rotary compressor with full unloading and oil sealed Blade-type rotary compressor with full unloading and oil sealed

1976-07-13

1978-01-17

Vrablik, John J.

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

417440, 418 76, 418 99, F04B 4902, F01C 2104, F04C 2700, F04C 2902

Patent

active

040689816

ABSTRACT:
A rotary compressor apparatus having a housing with a rotor eccentrically mounted therein and such rotor includes a plurality of sliding vanes which define constantly changing compression pockets as the rotor is rotated. The apparatus includes a plurality of ports which may be opened to permit full unloading when starting the compressor and which may be selectively closed to control the quantity of gaseous matter being compressed. The apparatus also includes a high pressure oil injector at each end of the rotor for sealing such ends to prevent loss of compression.

REFERENCES:
patent: 845114 (1907-02-01), Palmer
patent: 1973063 (1934-09-01), Grier
patent: 2069767 (1937-02-01), McCormack
patent: 2275774 (1942-03-01), Kraissl
patent: 3295752 (1967-01-01), Bellmer
patent: 3399826 (1968-09-01), Andriulis
patent: 3989413 (1976-11-01), McGahan et al.

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