Automotive heating system

Details Automotive heating system Automotive heating system

1993-11-17

1994-11-22

Tapolcai, William E.

Heating systems

Automatic control

Heat source is a reverse cycle refrigerating system or heat...

237 123B, B60H 102

Patent

active

053661508

ABSTRACT:
In an automotive heating system, an engine coolant circuit for circulating engine coolant through an engine of a vehicle is provided with a heat exchanger for transferring heat between the engine coolant and air, and a heat accumulator which stores heat of the engine coolant. The engine coolant circuit has a first coolant circulating path through which the engine coolant from the engine passes the heat accumulator and the heat exchanger in this order and a second coolant circulating path through which the engine coolant from the engine passes the heat exchanger and the heat accumulator in this order. The engine coolant is caused to circulate through the first coolant circulating path when the temperature of heat stored in the heat accumulator is higher than the temperature of the engine coolant while heating is required and through the second coolant circulating path when the former temperature is lower than the latter temperature while heating is required.

REFERENCES:
patent: 3498539 (1970-03-01), Boehmfeld et al.
patent: 3521704 (1970-07-01), Bridegum
patent: 3853270 (1974-12-01), Prebil
patent: 4556171 (1985-03-01), Fukami et al.
Patent Abstracts of Japan, vol. 14, No. 347 (M-1002)(4290) 26 Jul. 1990.
Patent Abstracts of Japan, vol. 8, No. 35 (M-276)(1472) 15 Feb. 1984 & JP-A-58 191 620 (nippon jidosha) 8 Nov. 1983.
Patent Abstracts of Japan, vol. 8, No. 87 (M-291)(1524) 20 Apr. 1984 & JP-A-59 002 916 (Nippon Jidosha) 9 Jan. 1984.

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