Rotary-piston machine having a liquid-cooled piston

Details Rotary-piston machine having a liquid-cooled piston Rotary-piston machine having a liquid-cooled piston

1977-07-11

1979-11-13

Croyle, Carlton R.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

With condition responsive control of non-working fluid

418 87, 418 94, 123 4113, F01C 2106

Patent

active

041741978

ABSTRACT:
A rotary-piston machine, in particular a rotary-piston combustion engine of trochoid type is provided. The machine includes a housing composed of at least one shell and at least two parallel end pieces and is traversed perpendicular to the end pieces by an eccentric shaft mounted in the end pieces. A liquid-cooled polygonal piston is rotatably mounted on the eccentric of the shaft. The piston contains cavities provided with at least one aperture near their radially inner portion. The eccentric shaft has an axial bore traversed by the liquid and communicating by way of transverse holes with the bearing and with at least one nozzle. The orifice of the nozzle is directed at the aperture of the piston cavities. Controls are arranged in the axial bore of the eccentric shaft for controlling the communication between the axial bore and the nozzle according to the engine load and/or the temperature of the liquid.

REFERENCES:
patent: 2049794 (1936-08-01), Armor
patent: 3131679 (1964-05-01), Peras
patent: 3876345 (1975-04-01), Froede et al.
patent: 4011032 (1977-03-01), Steinwart et al.

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