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1. 发明申请

WO2022172866A1 SYSTEM AND METHOD FOR PRODUCING DOMESTIC HOT WATER 审中-公开
公开(公告)号：WO2022172866A1
公开(公告)日：2022-08-18
申请号：PCT/JP2022/004410
申请日：2022-02-04
申请人： DAIKIN INDUSTRIES, LTD. , DAIKIN EUROPE N.V.
发明人： KIRSCHNER, Timo
IPC分类号： F24D17/00 , F24D17/02 , F28D20/00 , F28D1/047
摘要： 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.

2. 发明申请

WO2022172867A1 SYSTEM FOR PRODUCING HEAT FOR DOMESTIC HOT WATER OR CENTRAL HEATING 审中-公开
公开(公告)号：WO2022172867A1
公开(公告)日：2022-08-18
申请号：PCT/JP2022/004411
申请日：2022-02-04
申请人： DAIKIN INDUSTRIES, LTD. , DAIKIN EUROPE N.V.
发明人： KIRSCHNER, Timo
IPC分类号： F24D3/08 , F24D13/04 , F24D17/00 , F24D19/10 , F24D11/00
摘要： The present application relates to a system (100) for producing domestic hot water and heat for central heating comprising a heat generator (1) for obtaining heat from a heat source, the heat generator having a generator outlet port (1.1) and a generator return port (1.2); a central heating circuit (3) having a heating feed port (3.1) and a heating return port (3.2); and a tank (16) having an inlet port (7), an upper port (8) and a lower port (9), the tank (16) containing a fluid which is a heat storing fluid, and the inlet port (7) being configured to feed the heat storing fluid (15) into the tank (16). The heat generator (1), the central heating circuit (3), and the tank (16) are fluidly connected in series so as to allow the fluid (15) to flow from the heat generator (1) via at least one of the central heating circuit (3) and the tank (16) back to the heat generator (1), and the system (100) further comprises a first three-way valve (4) fluidly connected to the heating feed port (3.1) and the heating return port (3.2) and configured to selectively let the fluid bypass, or flow through, the central heating circuit (3); a second three-way valve (6) fluidly connected to the first three-way valve (4), the generator return port (1.2), and the inlet port (7), and configured to selectively let the fluid bypass, or flow through, the tank (16) via the inlet port (7); and a third three-way valve (10) fluidly connected to the upper port (8), the lower port (9), and the generator return port (1.2), and configured to set a relative proportion by which the fluid flows through the upper port (8) and the lower port (9), respectively, to the generator return port (1.2).

3. 发明申请

WO2022172865A1 SYSTEM FOR PRODUCING HEAT FOR DOMESTIC HOT WATER OR CENTRAL HEATING 审中-公开
公开(公告)号：WO2022172865A1
公开(公告)日：2022-08-18
申请号：PCT/JP2022/004409
申请日：2022-02-04
申请人： DAIKIN INDUSTRIES, LTD. , DAIKIN EUROPE N.V.
发明人： KIRSCHNER, Timo
IPC分类号： F24D3/08 , F24H1/43 , F24H1/52 , F24D11/00
摘要： The present application relates to a system (100) for producing domestic hot water and heat for central heating comprising a heat generator (1) for obtaining heat from a heat source, the heat generator (1) having a generator outlet port (1.1) and a generator return port (1.2); a central heating circuit (3) having a heating feed port (3.1) and a heating return port (3.2); a tank (11) having a top portion and a bottom portion, the tank (11) containing a heat storing medium (12); a first tapping coil (7) immersed in the heat storing medium (12) in the bottom portion of the tank (11); a second tapping coil (6) immersed in the heat storing medium (12) in the top portion of the tank (11); and means (8, 9, 13, 14) to warm up domestic hot water; wherein the heat generator (1), the second tapping coil (6), the central heating circuit (3), and the first tapping coil (7) are fluidly connected in series so as to allow fluid to flow from the heat generator (1) via at least one of the second tapping coil (6), the central heating circuit (3), and the first tapping coil (7) back to the heat generator (1); the system (100) further comprising a first three-way valve (2) fluidly connected to the generator outlet port (1.1), the second tapping coil (6), and the heating feed port (3.1) and configured to selectively let the fluid bypass, or flow through, the second tapping coil (6); a second three-way valve (4) fluidly connected to the heating feed port (3.1) and the heating return port (3.2) and configured to selectively let the fluid bypass, or flow through, the central heating circuit (3); and a third three-way valve (5) fluidly connected to the first tapping coil (7) and the generator return port (1.2) and configured to selectively let the fluid bypass, or flow through, the first tapping coil (7).

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