Title:
HOT WATER SUPPLY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/030103
Kind Code:
A1
Abstract:
A hot water supply system (1) comprises: a vapor compression heat pump circuit (10) that is configured by a compressor (11), a first heat-radiating heat exchanger (12A), a second heat-radiating heat exchanger (12B), an expansion valve (13), and a heat-absorbing heat exchanger (14) being connected in an annular shape by a refrigerant circulation line (L9), and extracts heat with the first heat-radiating heat exchanger (12A) and/or the second heat-radiating heat exchanger (12B) by driving the compressor (11); a hot water storage tank (60) for storing make-up water (W2); a water circulation line (L1) for circulating the stored water (W3) in the hot water storage tank (60) to the first heat-radiating heat exchanger (12A); a make-up water line (L2) for supplying the make-up water (W2) to the hot water storage tank (60) while circulating the make-up water (W2) to the second heat-radiating heat exchanger (12B); a refrigerant temperature adjustment means (50) for adjusting the temperature of liquid refrigerant (R) flowing into the expansion valve (13); and a control means (100) for controlling the refrigerant temperature adjustment means (50).
Inventors:
MITSU YUYA (JP)
OOTANI KAZUYUKI (JP)
OOTANI KAZUYUKI (JP)
Application Number:
PCT/JP2021/022165
Publication Date:
February 10, 2022
Filing Date:
June 10, 2021
Export Citation:
Assignee:
MIURA KOGYO KK (JP)
International Classes:
F24H4/02; F25B1/00; F25B30/02
Foreign References:
| JPS61149758A | 1986-07-08 | |||
| JP2015210033A | 2015-11-24 | |||
| JPH07280362A | 1995-10-27 | |||
| JPH08219572A | 1996-08-30 |
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