Motor vehicle air conditioning and heating system with bi-level

Details Motor vehicle air conditioning and heating system with bi-level Motor vehicle air conditioning and heating system with bi-level

1987-10-26

1989-05-09

Davis, Jr., Albert W.

Heat exchange

With vehicle feature

Heating and cooling

165 43, 237 123B, 236 13, 98 208, B60H 300, B61D 2700

Patent

active

048280186

ABSTRACT:
A motor vehicle air conditioning and heating system having an evaporator and a valve controlled heater core is provided with a cold air bypass around the heater core and upper and lower compartment outlets which outlets and bypass are controlled by a single mode valve to provide a bi-level mode. In one embodiment, the mode valve comprises a singular valve element. In another embodiment, the mode valve comprises two valve elements which are linked together.

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