Patent ID: 6851470
Filing Date: 2005-02-08
Classification: B60H

Abstract:
1. A zonal climate control system for a vehicle passenger compartment, comprising: an engine cooling system; an air conditioning compressor; a forward zone heating, ventilation and air conditioning unit, coupled to the engine cooling system to draw heat therefrom and to the air conditioning compressor to discharge heat thereto; an rearward zone heating, ventilation and air conditioning unit, coupled to the engine cooling system to draw heat therefrom and to the air conditioning compressor to discharge heat thereto; a first inside air intake duct from the vehicle passenger compartment to the forward zone heating, ventilation and air conditioning unit; a second inside air intake duct; a first exterior air intake duct into the forward zone heating, ventilation and air conditioning unit; a second exterior air intake duct; a common duct system connecting the second inside air intake duct and the second exterior air intake duct to the rearward zone heating, ventilation and air conditioning unit; at least a first vent for transporting air exhausted air from the forward zone heating, ventilation and air conditioning system unit into vehicle passenger compartment; and at least a first vent for transporting air exhausted from the rearward zone into the vehicle passenger compartment.