Rotary compressor with communication between chambers to provide

Details Rotary compressor with communication between chambers to provide Rotary compressor with communication between chambers to provide

1980-02-13

1982-05-18

Vrablik, John J.

Rotary expansible chamber devices

Methods

418 54, F04C 1800, F04C 2908

Patent

active

043302408

ABSTRACT:
A rotary air compressor includes a rotor which rotates within a housing and controls communication through inlet and outlet ports provided on the housing and compresses air communicated through the inlet port for delivery to the outlet port. The inlet and outlet ports are provided with check valves controlling communication therethrough. After the rotor rotates through a dead-center position, the check valves in both the inlet and outlet ports are closed. The rotor then rotates into a position in which the apex seals carried by the rotor wipe across the inlet and outlet ports simultaneously, thereby opening a communication path bypassing the apex seals so that the pressure levels in the chambers across the rotor are equalized. As the rotor continues to rotate, air is compressed and communicated to the outlet port.

REFERENCES:
patent: 1636486 (1927-07-01), Planche
patent: 4105375 (1978-08-01), Schindelhauer
patent: 4118157 (1978-10-01), Mayer
patent: 4222715 (1980-09-01), Ruf

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