Rotary engine having rollers for the apex seal

Details Rotary engine having rollers for the apex seal Rotary engine having rollers for the apex seal

1988-09-01

1989-04-18

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

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

418122, 418142, 418235, F01C 1904, F01C 1908, F01C 2100

Patent

active

048222623

ABSTRACT:
A rotary engine in which rollers are inserted between the side wall of a seal groove and an apex seal such that the side wall of the seal groove and the apex seal are brought into rolling contact, the rollers are enhoused within a recessed groove formed in the side wall of the seal groove or in the side surface of the apex seal, and both ends of the recessed groove are enhoused in the corner seals assembled at both ends of the rotor so that the recessed groove is sealed.

REFERENCES:
patent: 2048825 (1936-07-01), Smelser
patent: 2536938 (1951-01-01), Hunter
patent: 3033180 (1962-05-01), Bentele
patent: 3277873 (1966-10-01), Brodbeck et al.
patent: 3961871 (1976-06-01), Kurio
patent: 4329129 (1982-05-01), Ishizuka et al.

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