Internally cooled rotary combustion engine

Details Internally cooled rotary combustion engine Internally cooled rotary combustion engine

1976-10-13

1978-07-25

Croyle, Carlton R.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

Heat exchange by diverted incoming or outgoing working fluid

418 94, 418101, F01C 2106

Patent

active

041026152

ABSTRACT:
Disclosed herein is a rotary internal combustion engine comprising a housing including walls defining a rotor cavity having axially spaced sides, a rotor shaft rotatably supported by the housing, extending through the rotor cavity, and including an eccentric, a rotor rotatably supported on the eccentric and within the rotor cavity, which rotor includes equi-angularly spaced apexes which, together with the rotor cavity, define working chambers rotatable within the rotor cavity, which rotor also includes side seals engaging the rotor cavity sides to restrain leakage of pressure from the working chambers, meshed gears on the rotor and on the housing for causing rotation of the rotor on the eccentric and rotation of the rotor shaft relative to the housing, and a gas recirculation system extending, at least in part, in the housing and including means defining a closed gas recirculation path including a first path portion in the rotor, a second path portion in the rotor shaft, a third path portion located to receive gas leaking past the rotor side seals, and a fan driven by the engine for pumping gas through the path.

REFERENCES:
patent: 3234921 (1966-02-01), Laing et al.
patent: 3302623 (1967-02-01), Zimmermann
patent: 3540815 (1970-11-01), Belzner et al.
patent: 3838951 (1974-10-01), Furuya et al.
patent: 3907466 (1975-09-01), Canale

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