Seal grid for a rotary internal combustion engine

Details Seal grid for a rotary internal combustion engine Seal grid for a rotary internal combustion engine

1975-06-17

1978-03-21

Croyle, Carlton R.

Rotary expansible chamber devices

Grooved abutting cylinder-rotating member end surfaces

418142, F01C 1912

Patent

active

040801160

ABSTRACT:
The improved sealing grid for a rotary internal combustion engine of the Wankel type comprises a transfer passage means intermittently communicating the space between the inner and outer seals with the working chamber in the exhaust phase, to pass spent combustion gas from the latter to said space and thereby intermittently pressurize the space behind the inner seal and thereby urge the latter into sealing contact with the adjacent wall.

REFERENCES:
patent: 2979042 (1961-04-01), Bentele
patent: 3396708 (1968-08-01), Tado
patent: 3540815 (1970-11-01), Belzner et al.
patent: 3834845 (1974-09-01), Siler

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