Temperature adjusting system adapted for use in an electric vehi

Details Temperature adjusting system adapted for use in an electric vehi Temperature adjusting system adapted for use in an electric vehi

1997-08-05

1999-11-23

Walberg, Teresa

Electric resistance heating devices

Heating devices

Tank or container type liquid heater

392456, A47J 2700

Patent

active

059915099

ABSTRACT:
In an air heating system for use in an electric vehicle and the like, a heat-transfer fluid supply apparatus includes, a thermo-control circuit (TCCRT) having a thermo-control valve, a fluid-heating circuit (HCRT) having a high DC voltage battery for supplying a high DC voltage to an electric heater, and a switch control unit operatively associated with both the thermo-control circuit and the fluid-heating circuit, where the switch control unit includes a semiconductor device which is operative by variations in electric current flowing in the thermo-control circuit to thereby control the fluid-heating circuit by switching on and off, and wherein the fluid tank has a metallic outer case to which the semiconductor device is secured in close contact so that the heat generated at the semiconductor device due to consumption of electric power is transferred to the heat-transfer fluid stored in the fluid tank via the metallic outer case.

REFERENCES:
patent: 4192992 (1980-03-01), Stevens
patent: 4588875 (1986-05-01), Kozak
patent: 4591691 (1986-05-01), Badali
patent: 5125068 (1992-06-01), McNair
patent: 5675485 (1997-10-01), Seong
patent: 5730098 (1998-03-01), Sasaki

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