Sealing grid system for rotary piston mechanism of the Wankel ty

Details Sealing grid system for rotary piston mechanism of the Wankel ty Sealing grid system for rotary piston mechanism of the Wankel ty

1976-10-14

1977-11-29

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

Seal on working member periphery separates inlet and outlet...

418142, 418143, F01C 1904, F01C 1908, F04C 2700

Patent

active

040603520

ABSTRACT:
The sealing grid system for a rotary piston mechanism of the Wankel type comprises apex seal assemblies and a plurality of seal strips slidably disposed in recesses in at least one face of the rotary piston. Each of the recesses are formed at the juncture of the peripheral surface of the rotary piston and the surface of one of the rotary piston faces and extend to communicate with next adjacent apex seal slots. A groove is formed in the bottom of each of the recesses to receive a biasing member, V-shaped in cross-section, which functions to both urge the associated seal strip outwardly of the recess and to seal the interstices between the seal strip and its recess. Each of the seal strips is dimensioned in length to abut the next adjacent apex seal blades.

REFERENCES:
patent: 705835 (1902-07-01), Grove
patent: 3064880 (1962-11-01), Wankel et al.
patent: 3081745 (1963-03-01), Hurley
patent: 3139233 (1964-06-01), Simonsen
patent: 3205872 (1965-09-01), Pomasanow
patent: 3506275 (1970-04-01), Moriyama
patent: 3768936 (1973-10-01), McCormick
patent: 3814556 (1974-06-01), Wilmers et al.

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