Pivoted blade between rotor and stator having arcuate sections

Details Pivoted blade between rotor and stator having arcuate sections Pivoted blade between rotor and stator having arcuate sections

1977-12-02

1980-05-06

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

Seal element between working member and vane

418259, 418260, 418264, F01C 100, F01C 1900

Patent

active

042015260

ABSTRACT:
An improved rotor blade arrangement pivotally mounted in a cylindrical recess in the rotor. The blade arrangement is pivotally mounted on a blade support and has a center of gravity offset from the pivot mounting. The arrangement includes a pair of arcuate sections joined at a blade tip, which tip seals against the stator. Each arcuate section has a free end opposite the blade tip including a linear seal contacting the recess surface. The resulting arrangement minimizes the friction loses of the blade arrangement and forms a sealed space between the recess surface and the blade profile to enhance the compression ratio for compressible fluids.

REFERENCES:
patent: 18488 (1857-10-01), Pease
patent: 1012642 (1911-12-01), Hughes
patent: 1138481 (1915-05-01), Hupe
patent: 1161165 (1915-11-01), Smith
patent: 1458361 (1923-06-01), Ruttledge
patent: 1685003 (1928-09-01), McElrath
patent: 1858681 (1932-05-01), Olson
patent: 1877250 (1932-09-01), Meyer
patent: 3162141 (1964-12-01), Vlachos
patent: 3873249 (1975-03-01), Rao

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