Title:
HEAT CYCLE SYSTEM, IN-WHEEL MOTOR, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/008048
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a low-cost heat cycle system that can reduce power consumption; an in-wheel motor that is driven by using this heat cycle system; and a vehicle in which this heat cycle system is installed. This heat cycle system 400 is provided with: a compressor 100; an accumulator 501; an electric drive unit 200 comprising an electric motor 210; a refrigerant compressed by the compressor 100; and an indoor heat exchanger 321 and an outdoor heat exchanger 311 responsible for heat exchange of the refrigerant. The heat cycle system 400 comprises a four-way valve 102 that comprises a single circulation path for circulating the refrigerant and that can switch the connection destination of a refrigerant discharge section of the compressor 100 to the indoor heat exchanger 321 or the outdoor heat exchanger 311. A cooling unit 211 of the electric drive unit 210 is arranged upstream of the accumulator 501 in the flow of the refrigerant.
Inventors:
TAKAHASHI AKESHI (JP)
TOYODA HIROYUKI (JP)
KOYAMA MASAKI (JP)
ENOMOTO YUJI (JP)
NAKATSU KINYA (JP)
TOYODA HIROYUKI (JP)
KOYAMA MASAKI (JP)
ENOMOTO YUJI (JP)
NAKATSU KINYA (JP)
Application Number:
PCT/JP2022/025646
Publication Date:
February 02, 2023
Filing Date:
June 28, 2022
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B60K1/04; B60H1/22; B60K7/00; B60K11/04; H02K9/19
Domestic Patent References:
| WO2013161011A1 | 2013-10-31 |
Foreign References:
| JP2011105151A | 2011-06-02 | |||
| JP2019031200A | 2019-02-28 | |||
| JP2014037180A | 2014-02-27 | |||
| CN112046239A | 2020-12-08 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
Download PDF: