Title:
循環式の給湯システム
Document Type and Number:
Japanese Patent JP7260917
Kind Code:
B2
Abstract:
To provide a circulation type hot water supply system that can decrease a hot water temperature in a tank without discarding water.SOLUTION: A circulation type hot water supply system 1 comprises: a tank 2 in which warm water W1 is stored; a heat exchanger 4 for generating hot water by exchanging heat between a heating fluid F1 and the warm water W1 discharged from the tank 2; a hot water return passage 22 through which the hot water W2 from the heat exchanger 4 is returned to the tank 2 via a user; a switching valve 60 provided in the hot water return passage 22, and for switching from the hot water return passage 22 to a cooling passage 62 and discharging the hot water W2 when a hot water temperature in the tank 2 exceeds a predetermined value; and a second heat exchanger 64 provided in the cooling passage 62, and for generating the warm water W1 by exchanging heat between a cooling fluid F3 and the hot water W2 discharged from the switching valve 60.SELECTED DRAWING: Figure 1
Inventors:
Shinya Mori
Application Number:
JP2020130441A
Publication Date:
April 19, 2023
Filing Date:
July 31, 2020
Export Citation:
Assignee:
Miyawaki Co., Ltd.
International Classes:
F24H15/212; F24H1/18
Domestic Patent References:
| JP2018059699A | ||||
| JP2007017082A | ||||
| JP2007298226A | ||||
| JP2005201462A |
Attorney, Agent or Firm:
Shuji Sugimoto
Takeo Tsutsumi
Kenichi Nakata
Daisuke Kaneko
Takeo Tsutsumi
Kenichi Nakata
Daisuke Kaneko