Title:
AIR CONDITIONER FOR VEHICLE
Document Type and Number:
Japanese Patent JP3232183
Kind Code:
B2
Abstract:
PURPOSE: To develop the operation mode suitable for the environment and favourably secure the intermediate period fine weather performance which is particularly characteristic for the vehicle, as for a heat pump type air conditioner for vehicle.
CONSTITUTION: An operation mode control means L selects the operation mode to the warming mode, cooling mode, and the dehumidifying warming mode by controlling a plurality of valves G1, G2, and G3 on the basis of the difference between the outside air temperature and the target temperature. In the warming mode, a heat exchanger B outside the car room is used as evaporator, and the second heat exchanger D in the car room is used as condenser. In the cooling mode, the heat exchanger B outside the car room and the second heat exchanger D in the car room are used as condenser and the first heat exchanger C in the car room is used as evaporator. In the dehumidifying warming mode, the heat exchanger B outside the car room and the first heat exchanger C in the car room are used as evaporator, and the second heat exchanger D in the car room is used as condenser.
Inventors:
Katsumi Iida
Takashi Ohsawa
Takashi Ohsawa
Application Number:
JP33783993A
Publication Date:
November 26, 2001
Filing Date:
December 28, 1993
Export Citation:
Assignee:
Zexel Valeo Climate Control Co., Ltd.
International Classes:
B60H1/00; B60H1/22; B60H1/32; B60H3/00; (IPC1-7): B60H1/00; B60H1/22; B60H1/32; B60H3/00
Domestic Patent References:
| JP42522A |
Attorney, Agent or Firm:
Junichi Miyazono