Ventilation – Vehicle – Having inlet airway
Patent
1993-09-30
1994-10-18
Yuen, Henry C.
Ventilation
Vehicle
Having inlet airway
454139, 454148, 454159, 454160, 237 123A, B60H 124
Patent
active
053563379
ABSTRACT:
An electric vehicle has a traction motor and apparatus comprising an air circuit for cooling the traction motor, for providing heat, where required, for the cabin of the vehicle, and for ventilating the cabin. The air circuit of the apparatus comprises a main branch containing a main ventilating and heating blower, together with a secondary branch which is branched from the first branch and which contains the cooling radiator for the traction motor. An auxiliary blower is arranged in the secondary branch. An upstream mixing valve and a downstream mixing valve connect these two branches in parallel, in such a way that either: the flow of cabin heating air passes through the radiator; or the mixing valves isolate the secondary branch, so as to form an entirely separate cooling air circuit in which the air flow is produced by the auxiliary blower.
REFERENCES:
patent: 4108376 (1978-08-01), Matsuda et al.
patent: 4340112 (1982-07-01), Sutoh et al.
patent: 4593852 (1986-06-01), Tajima et al.
patent: 4722265 (1988-02-01), Koukal et al.
patent: 5115727 (1992-05-01), Becquerel
patent: 5280852 (1994-01-01), Dauvergne
Valeo Thermique Habitacle
Warther Richard K.
Yuen Henry C.
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