Vaned rotor for rotary mechanisms with bearings in vane slots

Details Vaned rotor for rotary mechanisms with bearings in vane slots Vaned rotor for rotary mechanisms with bearings in vane slots

1979-11-15

1982-05-11

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

Seal element between working member and vane

418235, F01C 2102

Patent

active

043291295

ABSTRACT:
An improved rotor is disclosed, for use with movable vanes in pumps, compressors and the like. The rotor is equipped with slots in which the vanes are located. Each slot has a leading surface and a trailing surface. Two embodiments of this invention are taught. In one embodiment, a groove is cut into the trailing surface of each slot, so that a specially designed rod-like bearing may be interposed between the rotor and the vane to reduce friction between the trailing face of the vane and the trailing surface of the rotor. In the other embodiment, an additional groove is cut in the leading face of the vane so that a similar bearing may be interposed between the leading face of the vane and the leading surface of the slot. As a result of these designs, friction between the vane and the rotor is much reduced, and a substantially longer work-life results.

REFERENCES:
patent: 2448233 (1948-08-01), Nyborg
patent: 2562698 (1951-07-01), Clerc

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