INTERNAL COMBUSTION ENGINE COOLING-HEATING SYSTEM Russian patent published in 2001 - IPC

Abstract RU 2165027 C1

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: system has cooling liquid internal circulation circuit including engine cooling spaces, three-way cock with stopper rotation drive, liquid-to-liquid heat exchanger and circulating pump. System is provided also with external circulation circuit of cooling agent connected to internal circuit through liquid-to-liquid heat exchanger. Cooling liquid temperature transmitter is installed in cooling liquid internal circulation circuit between engine cooling spaces and three-way cock. Temperature transmitter is connected through electronic temperature control unit to three-way cock stopper rotation drive. Heat recovery boiler is installed on engine exhaust pipe. Internal circuit has additional heat exchanger located between three-way cock and connected with heat recovery boiler through circulating pump. EFFECT: stabilization of cooling liquid temperature at all operating duties of engine at changes of ambient air temperatures. 2 cl, 1 dwg

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RU 2 165 027 C1

Authors

Timofeev V.N.

Dates

2001-04-10—Published

1999-09-13—Filed