Title:
AIR CONDITIONING DEVICE FOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/058971
Kind Code:
A1
Abstract:
The present invention relates to an air conditioning device for a vehicle. An objective of the present invention is to prevent overheating of an inverter controlling the rotational speed of an electric compressor without cut-off of the inverter, and through this, to prevent an air conditioner from stopping due to the cut-off of the inverter and the stoppage of cooling in a vehicle cabin caused by this. To achieve the objective, an air conditioning device for a vehicle of the present invention, which comprises an electric compressor and an inverter controlling a rotational speed of the electric compressor, comprises a control unit controlling the flow rate of a suction refrigerant at an inlet side of the electric compressor to increase same when the temperature of the inverter is equal to or higher than a preset overheating warning temperature.
Inventors:
KIM HAK KYU (KR)
KIM IN HYEOK (KR)
YOO SANG JUN (KR)
JUNG HONG RAE (KR)
KIM IN HYEOK (KR)
YOO SANG JUN (KR)
JUNG HONG RAE (KR)
Application Number:
PCT/KR2022/014268
Publication Date:
April 13, 2023
Filing Date:
September 23, 2022
Export Citation:
Assignee:
HANON SYSTEMS CO LTD (KR)
International Classes:
F25B31/00; B60H1/32; F25B49/02
Foreign References:
| KR20120110858A | 2012-10-10 | |||
| KR20120061467A | 2012-06-13 | |||
| KR20120095735A | 2012-08-29 | |||
| KR20110098315A | 2011-09-01 | |||
| KR20100027573A | 2010-03-11 | |||
| US20160134226A1 | 2016-05-12 |
Attorney, Agent or Firm:
CHOI, Young Min (KR)
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