Title:
HOT WATER SUPPLY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/260838
Kind Code:
A1
Abstract:
A hot water supply system provided with a first heat pump (101), a second heat pump (102), and a hot water storage tank (103). The first heat pump (101) heats water stored in the hot water storage tank (103) to produce hot water. The second hot water pump (102) heats water supplied to the hot water tank (103).
Inventors:
MIZUNUMA MAMORU (JP)
MINETA SHINGO (JP)
OKA SOICHI (JP)
MINETA SHINGO (JP)
OKA SOICHI (JP)
Application Number:
PCT/JP2020/024797
Publication Date:
December 30, 2021
Filing Date:
June 24, 2020
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
F25B30/02; F24H4/02
Foreign References:
| JP2014031910A | 2014-02-20 | |||
| JPH04254156A | 1992-09-09 | |||
| JP2013530375A | 2013-07-25 | |||
| JPS61153434A | 1986-07-12 | |||
| JPH0227582B2 | 1990-06-18 | |||
| JPH0823440B2 | 1996-03-06 |
Attorney, Agent or Firm:
YAMAKAWA, Shigeki et al. (JP)
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