Rotary expansible chamber devices – With mechanical sealing – Seal on working member periphery separates inlet and outlet...
Patent
1975-03-27
1977-03-15
Vrablik, John J.
Rotary expansible chamber devices
With mechanical sealing
Seal on working member periphery separates inlet and outlet...
418142, F01C 1904, F01C 1908
Patent
active
040121798
ABSTRACT:
The sealing grid is for a rotary piston mechanism having a multi-profile rotor forming apex portions, which rotor is supported for planetary rotary movement in a housing cavity. The sealing grid comprises an apex seal assembly carried in each of the apex portions of the rotor, which assembly includes an apex seal blade. Also forming part of the sealing grid are apex seal pins disposed in the opposite side faces of the rotor and at each of the apex portions. The grid additionally includes side gas seal strips carried in each of the opposite side faces of the rotor. One end portion of each side gas seal strip is disposed in abutment against an apex seal blade at one apex portion while the opposite end portion engages the apex seal pin located at an adjacent apex portion. The grid further includes a biasing means for each side gas seal strip for urging the associated side gas seal strip in an endwise direction and into abutment against the apex seal blade associated therewith.
REFERENCES:
patent: 1237768 (1917-08-01), Ferguson et al.
patent: 3064880 (1962-11-01), Wankel et al.
patent: 3180562 (1965-04-01), Bentele
patent: 3674384 (1972-07-01), Larrinaga et al.
Behn Victor D.
Curtiss-Wright Corporation
Frederick Arthur
Vrablik John J.
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