Title:
SYSTEM AND METHOD FOR PRODUCING DOMESTIC HOT WATER
Document Type and Number:
WIPO Patent Application WO/2022/172866
Kind Code:
A1
Abstract:
The present disclosure relates to a system for producing domestic hot water, comprising a tank (10) having a top portion and a bottom portion, the tank (10) containing a heat storing fluid (12), a tapping unit (14) comprising a first tapping coil (20) and a second tapping coil (22), wherein the first tapping coil (20) is fluidly connected to a cold water port (16) and to a hot water port (18), and is immersed in the heat storing fluid (12) in the bottom portion of the tank (10), wherein the second tapping coil (22) is fluidly connected in series to the first tapping coil (20) by a connection pipe (32), and to the hot water port (18), and is immersed in the heat storing fluid (12) in the top portion of the tank (10), a switching device (40) configured to switch between a first state in which water flows from the cold water port (16) through only the first tapping coil (20) to the hot water port (18), and a second state in which water flows from the cold water port (16) through the first tapping coil (20) and, after having flown through the first tapping coil (20), through to the second tapping coil (22) to the hot water port (18). The present disclosure further relates to correspond method for producing domestic hot water.
Inventors:
KIRSCHNER TIMO
Application Number:
PCT/JP2022/004410
Publication Date:
August 18, 2022
Filing Date:
February 04, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
DAIKIN EUROPE NV (BE)
DAIKIN EUROPE NV (BE)
International Classes:
F24D17/00; F24D17/02; F28D1/047; F28D20/00
Domestic Patent References:
| WO2010041653A1 | 2010-04-15 |
Foreign References:
| DE19548816A1 | 1997-07-03 | |||
| DE202016005844U1 | 2016-10-13 | |||
| EP3037743A1 | 2016-06-29 |
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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