Apparatus for heating an operator's cabin

Details Apparatus for heating an operator's cabin Apparatus for heating an operator's cabin

1981-01-16

1983-06-07

Makay, Albert J.

Heating systems

Heat and power plants

Vehicle

122 26, 126247, B60H 102

Patent

active

043867359

ABSTRACT:
Apparatus for heating the cabin of a vehicle operated by an internal combustion engine. The apparatus includes a pump for circulating hot oil from the engine sump and a heat exchanger for heating cabin air with heat from the oil. A throttle valve is mounted downstream from the pump to heat the oil and provide a source of heat particularly during warm-up periods. Also the apparatus includes an adjustable flow apportioning valve for selectively and adjustably dividing the flow of oil downstream from the throttle valve into two separate streams. The heat from one of the separate streams is then recycled directly into the oil at the pump suction. This arrangement maximizes the efficient useage of the heat generated in the throttle for cabin heating purposes. Also disclosed is an improved throttle valve for use in connection with the heating apparatus.

REFERENCES:
patent: 4136824 (1979-01-01), Kallenbach

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