Sliding vane compressor with end face inserts or rotor

Details Sliding vane compressor with end face inserts or rotor Sliding vane compressor with end face inserts or rotor

1978-11-15

1980-12-30

Vrablik, John J.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

Non-working fluid passage in inner working or reacting member

418178, 418179, 418270, F04C 2900, F04C 2902

Patent

active

042420652

ABSTRACT:
A sliding vane compressor has a housing and a rotor mounted in the housing. The rotor has axial endfaces which are juxtaposed with respective housing surfaces from which they must be kept at a predetermined spacing. This spacing is obtained by mounting in open recesses of the axial rotor endfaces respective elements of a material having a higher coefficient of thermal expansion than the material of the rotor itself. As the compressor comes up to operating temperatures the resulting thermal expansion of these elements causes them to protrude beyond the axial rotor endfaces by a distance corresponding to the desired spacing.

REFERENCES:
patent: 3193052 (1965-07-01), Baumler et al.
patent: 3374943 (1968-03-01), Cervenka
patent: 3545901 (1970-12-01), Belzner
patent: 3632240 (1972-01-01), Dworak
patent: 3913706 (1975-10-01), Ernest et al.
patent: 4059370 (1977-11-01), Gibson

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