Toyo Kogyo Co., Ltd.

Tadayuki Seto

Hiroshi Kodama

Lubricating oil supply device for a rotary piston engine including an oil port opened to a working chamber at the trochoidal inner wall of the rotor housing, a bore formed radially in the rotor housing to communicate with the oil port, a plug fitted to the bore close to an end adjacent to the oil port and having a nozzle opening opposed to the wall of the bore, an oil supply conduit extending axially in the bore and opening to the bore in the vicinity of the plug, and an air passage opening the bore to the atmosphere.

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Hiroshima, Japan

Tadayuki Seto