Title:
HEAT PUMP SYSTEM AND METHOD FOR CONTROLLING THE SAME
Document Type and Number:
WIPO Patent Application WO/2021/177429
Kind Code:
A1
Abstract:
Provided is a heat pump system (100) having a first bypass pipe (331) provided with a first bypass valve (341) and connecting a liquid refrigerant pipe (322) and a low-pressure refrigerant pipe (324), a refrigerant heat exchanger (314) configured to cause a heat-exchange between refrigerant flowing in the liquid refrigerant pipe and refrigerant flowing in first bypass pipe, a second bypass pipe (332) provided with a second bypass valve (342) and connecting the liquid refrigerant pipe and the low-pressure refrigerant pipe, and a controller 400. The controller is configured to control opening degree of the first bypass valve based on detected superheated temperature of refrigerant flowing in the first bypass pipe, and detected discharge temperature of a compressor (311) and control opening degree of the second bypass valve based on the detected discharge temperature.
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Inventors:
KAWANO SATOSHI
CORNELIS KEVIN
DEPREZ MARTIJN
CORNELIS KEVIN
DEPREZ MARTIJN
Application Number:
PCT/JP2021/008586
Publication Date:
September 10, 2021
Filing Date:
March 05, 2021
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
DAIKIN EUROPE NV (BE)
DAIKIN EUROPE NV (BE)
International Classes:
F25B13/00; F25B40/02; F25B49/00
Domestic Patent References:
| WO2018062177A1 | 2018-04-05 |
Foreign References:
| US20150338121A1 | 2015-11-26 | |||
| US20030010046A1 | 2003-01-16 | |||
| EP2878901A1 | 2015-06-03 |
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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