Vehicle air-conditioning system

Details Vehicle air-conditioning system Vehicle air-conditioning system

2005-05-31

2005-05-31

Tapolcai, William E. (Department: 3744)

Refrigeration

Automatic control

Refrigeration producer

C062S206000, C062S244000

Reexamination Certificate

active

06898946

ABSTRACT:
A vehicle air-conditioning system of a dual air conditioner type includes a front seat air-conditioning unit for air-conditioning a front seat side and a rear seat air-conditioning unit for air-conditioning a rear seat side. The system includes parallel connected evaporators for the front seat air-conditioning unit and the rear seat air-conditioning unit. At a low flow rate of refrigerant, the system prevents a significant increase in the temperature of air blown into the rear seat area relative to the temperature in the front seat area. The system employs a variable capacity compressor that enables its discharge capacity to be controlled by an external control signal, allowing the discharge capacity of the compressor to be controlled in accordance with the higher evaporator temperature of the temperatures at the front seat evaporator and the rear seat evaporator and a target evaporator temperature.

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