Heat exchange – With vehicle feature – Heating and cooling
Patent
1987-05-04
1988-07-12
Davis, Jr., Albert W.
Heat exchange
With vehicle feature
Heating and cooling
62236, 122 26, 1231425R, 237 123B, 237 123C, 237 121, F02N 1706, B60H 122, B60H 132
Patent
active
047563591
ABSTRACT:
A small lightweight auxiliary power plant including an engine, electrical alternator, water pump, air conditioning compressor and a heat exchanger is mounted at a convenient location on the tractor of a truck or other large vehicle. The main engine of the truck operates the existing truck air conditioning and heating system in a normal manner when the main engine is running. When the main engine of the truck is not operating and the smaller engine of the auxiliary power plant is operating, the truck air conditioning and heating system is operated by the auxiliary power plant. The heat exchanger of the auxiliary power plant then utilizes the heat of exhaust gases generated by the auxiliary power plant engine to warm the truck engine during the time it is not operating so that easy starting of the truck engine is made possible even in very cold weather. The exhaust gases from the auxiliary engine are also utilized to heat the lubricating oil of the main engine. When desired, an external load is applied to the crank shaft of the auxiliary engine to increase the heat output generated by the auxiliary engine.
REFERENCES:
patent: 3866433 (1975-02-01), Krug
patent: 4264826 (1981-04-01), Ullmann
patent: 4448157 (1984-05-01), Eckstein
patent: 4531379 (1985-07-01), Diefenthaler, Jr.
patent: 4611466 (1986-09-01), Keedy
Davis Jr. Albert W.
Pony Pack, Inc.
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