Title:
HEAT MANAGEMENT SYSTEM FOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/177120
Kind Code:
A1
Abstract:
The present invention relates to a heat management system for a vehicle, and the purpose of the present invention is to prevent a decrease in the work load of a compressor due to refrigerant pressure loss at the suction and discharge sides of the compressor by adopting a configuration that can reduce the refrigerant pressure loss at the suction and discharge sides of the compressor. In order to achieve the purpose, the present invention provides a heat management system for a vehicle, wherein the heat management system comprises a refrigerant circulation line including: a compressor; a high-pressure side heat exchanger; an expansion valve for a heat pump mode; a water-cooled heat exchanger; an outdoor heat exchanger; and a plurality of low-pressure side heat exchangers installed in parallel with each other, and further comprises a diameter increase part in which the diameter of at least one specific refrigerant pipe part that affects the refrigerant pressure of refrigerant pipes on the suction and discharge sides of the compressor among refrigerant pipe parts of the refrigerant circulation line is increased compared to the diameter of the other parts such that the specific refrigerant pipe part has a larger diameter than the other parts.
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Inventors:
BAE CHANG SOO (KR)
KIM DONG GYUN (KR)
MAENG CHAN JOO (KR)
PARK TAE YEONG (KR)
HAN GYU IK (KR)
HUR HEON (KR)
KIM DONG GYUN (KR)
MAENG CHAN JOO (KR)
PARK TAE YEONG (KR)
HAN GYU IK (KR)
HUR HEON (KR)
Application Number:
PCT/KR2023/002800
Publication Date:
September 21, 2023
Filing Date:
February 28, 2023
Export Citation:
Assignee:
HANON SYSTEMS (KR)
International Classes:
B60H1/32; B60H1/00
Domestic Patent References:
| WO2014073151A1 | 2014-05-15 |
Foreign References:
| CN208896808U | 2019-05-24 | |||
| JP2000264044A | 2000-09-26 | |||
| JP2015140115A | 2015-08-03 | |||
| JP2021172135A | 2021-11-01 |
Attorney, Agent or Firm:
CHOI, Young Min (KR)
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