Patent ID: 6131652
Filing Date: 2000-10-17
Classification: B60H

Abstract:
An air conditioning apparatus for a vehicle having a passenger compartment, said air conditioning apparatus comprising:a rear air-conditioning unit for controlling a temperature of air blown toward a rear seat side in the passenger compartment, wherein:said rear air-conditioning unit includesa rear case for forming a rear air passage, said rear case having a rear opening portion for blowing air toward the rear seat side in the passenger compartment,a rear blower unit for blowing air into said rear air passage,a rear cooling heat exchanger for cooling air flowing through said rear air passage,a rear heating heat exchanger for heating air having passed through said rear cooling heat exchanger by performing heat-exchange between air and hot water flowing therethrough,a flow control valve for adjusting a flow rate of hot water flowing into said rear heating heat exchanger, anda rear mode switching door which slides and reciprocates approximately horizontally to open and close said rear opening portion;said rear cooling heat exchanger is disposed approximately horizontally in said rear case;said rear heating heat exchanger is disposed at an upper side of said rear cooling heat exchanger approximately horizontally in said rear case; andsaid rear opening portion is provided at an upper side of said rear heating heat exchange; whereinsaid rear heating heat exchanger includes an inlet tank and an outlet tank which are disposed to form a predetermined distance therebetween, and a plurality of tubes which are disposed between said inlet tank and said outlet tank in parallel with each other;said rear heating heat exchanger is a one-way type in which hot water flows from said inlet tank toward said outlet tank through said tubes in one way;said rear opening portion includes a rear face opening for blowing air toward an upper portion at the rear seat side in the passenger compartment, and a rear foot opening for blowing air toward a lower portion at the rear seat side in the passenger compartment; andsaid rear face opening and said rear foot opening are provided at a downstream air side of said rear heating heat exchanger, and are positioned to be adjacent to each other in a direction perpendicular to a longitudinal direction of said tubes of said rear heating heat exchanger.