Heating and cooling apparatus for an electric vehicle

Details Heating and cooling apparatus for an electric vehicle Heating and cooling apparatus for an electric vehicle

1993-02-24

1994-01-25

Bennet, Henry A.

Heating systems

Heat and power plants

Vehicle

237 123B, 454139, B60H 102

Patent

active

052808521

ABSTRACT:
A motor vehicle has an electric propulsion motor which is cooled in an air radiator by air forced through the latter by a blower. The blower and air radiator are arranged in an air circuit in series with each other. The air circuit is a closed loop which includes the cabin, so that all the air passing through the air radiator comes from the cabin and can be adjustably recycled back into the cabin or exhausted to the outside. The circuit includes two parallel branches, with an auxiliary electric radiator placed in one of these branches downstream of the blower and the air radiator. A mixing valve enables the proportion of the total air flow passing through the branch containing the auxiliary radiator to be adjusted according to the heating requirements in the cabin.

REFERENCES:
patent: 3469073 (1969-09-01), Zechin
patent: 4459466 (1984-07-01), Nakagawa et al.
patent: 4572430 (1986-02-01), Takagi et al.

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