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31. 发明申请

US20210231319A1 COMBINED HEATING AND COOLING SYSTEM 有权
公开(公告)号：US20210231319A1
公开(公告)日：2021-07-29
申请号：US16313910
申请日：2017-06-29
申请人： E.ON Sverige AB
发明人： Per Rosén
IPC分类号： F24F5/00 , F24D3/18 , F24D10/00 , F24D19/10 , F24F11/84 , G05D23/19 , G05B15/02
摘要： A combined cooling and heating system including a district cooling grid having a feed conduit for an incoming flow of cooling fluid having a first temperature, and a return conduit for a return flow of cooling fluid having a second temperature, the second temperature being higher than the first temperature; a local cooling system being configured to absorb heat from a first building and comprising a heat exchanger having a heat exchanger inlet and a heat exchanger outlet; and a local heating system being configured to heat the first or a second building and comprising a heat pump having a heat pump inlet and a heat pump outlet. The heat exchanger inlet is connected to the feed conduit of the district cooling grid; and the heat pump inlet is connected to the return conduit of the district cooling grid and to the heat exchanger outlet.

32. 发明授权

US10852022B2 Method for controlling heat transfer between a local cooling system and a local heating system 有权
公开(公告)号：US10852022B2
公开(公告)日：2020-12-01
申请号：US16313914
申请日：2017-06-29
申请人： E.ON Sverige AB
发明人： Per Rosén
IPC分类号： F24F11/47 , F24F11/83 , F24D10/00 , F24D19/10 , F24F5/00 , F25B30/02
摘要： The disclosure relates to a method for controlling heat transfer between a local cooling system and a local heating system, the method comprising: determining a local energyconsumption need (LCC1, LCC2) of the local cooling system; determining a local energy consumption need (LHC1, LHC2) of the local heating system; controlling, based on the local energy consumption need (LCC1, LCC2) of the local cooling system and the local energy consumption need (LHC1, LHC2) of the local heating system, a heat pump (50, 50′) connected between the local cooling system and the local heating system and configured to transfer heat from the local cooling system to the local heating system.

33. 发明申请

US20190257540A1 METHOD FOR CONTROLLING HEAT TRANSFER BETWEEN A LOCAL COOLING SYSTEM AND A LOCAL HEATING SYSTEM 审中-公开
公开(公告)号：US20190257540A1
公开(公告)日：2019-08-22
申请号：US16313914
申请日：2017-06-29
申请人： E.ON Sverige AB
发明人： Per Rosén
IPC分类号： F24F11/47 , F24D10/00 , F24D19/10 , F24F5/00 , F24F11/83 , F25B30/02
摘要： The disclosure relates to a method for controlling heat transfer between a local cooling system and a local heating system, the method comprising: determining a local energyconsumption need (LCC1, LCC2) of the local cooling system; determining a local energy consumption need (LHC1, LHC2) of the local heating system; controlling, based on the local energy consumption need (LCC1, LCC2) of the local cooling system and the local energy consumption need (LHC1, LHC2) of the local heating system, a heat pump (50, 50′) connected between the local cooling system and the local heating system and configured to transfer heat from the local cooling system to the local heating system.

34. 发明授权

US12130040B2 Thermal heating system and a controller for the same 有权
公开(公告)号：US12130040B2
公开(公告)日：2024-10-29
申请号：US17255250
申请日：2019-06-19
申请人： E.ON SVERIGE AB
发明人： Jonas Ekestubbe
IPC分类号： F24F11/85 , F24D3/02 , F24D3/10 , F24D5/02 , F24D11/00 , F24T10/15
CPC分类号： F24F11/85 , F24D3/02 , F24D3/10 , F24D5/02 , F24D11/006 , F24T10/15
摘要： A system comprising a main circuit for routing a flow of heat transfer liquid out of a thermal storage to at least one outer heat exchanger and back to the thermal storage again, a main circulation pump configured to force the heat transfer liquid through the main circuit, a temperature sensor configured to measure the temperature of the heat transfer liquid, and a controller configured to control the main circulation pump based on temperature readings of the temperature sensor such that a calculated Reynolds number for the flow of heat transfer liquid is constant at a predetermined target Reynolds number over at least a primary temperature range.

35. 发明授权

US12007124B2 Distribution pump arrangement for a hydraulic distribution system having changing flowing direction 有权
公开(公告)号：US12007124B2
公开(公告)日：2024-06-11
申请号：US17309589
申请日：2019-12-09
申请人： E.ON SVERIGE AB
发明人： Per Rosén , Jacob Skogström , Fredrik Rosenqvist , Bengt Lindoff
IPC分类号： F24D19/10 , F24D3/02 , G05D16/20
CPC分类号： F24D19/1006 , F24D3/02 , G05D16/2073 , G05D16/208 , F24D2220/02 , F24D2220/046
摘要： A distribution pump arrangement for a bi-directional hydraulic distribution grid can include a hot conduit control valve in a hot conduit; a first distribution pump having an inlet connected to the hot conduit at a first side of the hot conduit control valve, and an outlet connected to the hot conduit at a second side, opposite the first side, of the hot conduit control valve; a pressure difference determining device arranged beyond the second side of the hot conduit control valve and configured to determine a local pressure difference, Δp, between a local pressure of heat transfer liquid in the hot conduit and a local pressure of heat transfer liquid in the cold conduit; and a controller configured to set the distribution pump arrangement based at least in part on Δp.

36. 发明授权

US11958375B2 Handling surplus and/or deficit of energy in local energy systems 有权
公开(公告)号：US11958375B2
公开(公告)日：2024-04-16
申请号：US17052086
申请日：2019-04-26
申请人： E.ON SVERIGE AB
发明人： Bengt Lindoff , Jacob Skogstrom , Per Rosen
IPC分类号： B60L53/63 , B60L55/00 , H02J3/32 , H02J3/38 , H02J13/00
CPC分类号： B60L53/63 , B60L55/00 , H02J3/322 , H02J3/381 , H02J13/00002 , H02J13/00012 , H02J13/00022 , H02J13/00004 , H02J2300/20 , H02J2300/22 , H02J2300/24 , H02J2300/28 , H02J2310/48
摘要： A method for handling surplus or deficit of energy in local energy systems (30) is presented. The method comprising; determining an accumulator status based on data pertaining to an accumulator (20) of a moveable device (10); determining energy status of each of a plurality of local energy systems (30) based on data pertaining to the respective local energy system 30; scoring, based on the determined accumulator status and the determined energy statuses, each of the local energy systems (30); determining, based on the respective scores of each of the plurality of local energy systems (30), a local energy system (30), among the plurality of local energy systems (30), to which the moveable device (10) is to be directed. Also a server (40) configured to handling surplus or deficit of energy in local energy systems is presented.

37. 发明申请

US20230077879A1 THERMAL ENERGY ASSEMBLY 有权
公开(公告)号：US20230077879A1
公开(公告)日：2023-03-16
申请号：US17760442
申请日：2021-02-09
申请人： E.ON SVERIGE AB
发明人： Per Rosén , Jacob Skogström , Bengt Lindoff , Helen Carlström , Fredrik Rosenqvist
IPC分类号： F24H15/156
摘要： A heat pump assembly (100) arranged to be connected to a thermal energy circuit (300) comprising a hot conduit (302) configured to allow thermal fluid of a first temperature to flow therethrough, and a cold conduit (304) configured to allow thermal fluid of a second temperature to flow therethrough, the second temperature is lower than the first temperature, and a cooling machine assembly (200) arranged to be connected to a thermal energy circuit (300) comprising a hot conduit (302) configured to allow thermal fluid of a first temperature to flow therethrough, and a cold conduit (304) configured to allow thermal fluid of a second temperature to flow therethrough.

38. 发明授权

US11454404B2 Energy distributing system 有权
公开(公告)号：US11454404B2
公开(公告)日：2022-09-27
申请号：US16332371
申请日：2017-09-14
申请人： E.ON Sverige AB
发明人： Fredrik Rosenqvist
IPC分类号： F24D10/00 , F24D19/10
摘要： A local energy distributing system includes a local feed conduit; a local return conduit; a central heat exchanger connected to a heating grid having a feed conduit for an incoming flow of heat transfer fluid having a first temperature in the range of 50-120° C., and a return conduit for a return flow of heat transfer fluid having a second temperature, the second temperature being lower than the first temperature, wherein the central heat exchanger is configured to exchange heat from the incoming flow of heat transfer fluid to an outgoing flow of local heat transfer fluid in the local feed conduit. The system also includes a plurality of local heating systems, each having an inlet connected to the local feed conduit and an outlet connected to the local return conduit, wherein each local heating system is configured to provide hot water and/or comfort heating to a building.

39. 发明申请

US20220243928A1 METHOD AND CONTROL SERVER FOR CONTROLLING A DISTRICT THERMAL ENERGY DISTRIBUTION SYSTEM 有权
公开(公告)号：US20220243928A1
公开(公告)日：2022-08-04
申请号：US17596546
申请日：2020-06-11
申请人： E.ON SVERIGE AB
发明人： Per Rosén , Jacob Skogström , Fredrik Rosenqvist
IPC分类号： F24D19/10 , F24F5/00 , F24D10/00 , G05B19/4155
摘要： A method for controlling a district thermal energy distribution system is presented. The method comprises: determining whether a local pressure difference between a feed line (111) and a return line (112) of a distribution grid (110) is below a predetermined threshold; upon the local pressure difference is determined to be below the predetermined threshold, generating a control signal comprising information instructing a local distribution system (150) to reduce outtake of heat or cold from the distribution grid (110); sending the control signal to a local control unit (140) of the local distribution system (150); and reducing, in response to the control signal, the outtake of heat or cold of the local distribution system (150) from the distribution grid (110). The distribution grid (110) may be a district heating grid or a district cooling grid. Also, a control server and a district thermal energy distribution system is presented.

40. 发明申请

US20220146126A1 HEAT PUMP ASSEMBLY AND CONTROLLING OF THE SAME 有权
公开(公告)号：US20220146126A1
公开(公告)日：2022-05-12
申请号：US17310874
申请日：2020-02-25
申请人： E.ON SVERIGE AB
发明人： Per Rosén , Jacob Skogström , Fredrik Rosenqvist , Bengt Lindoff
IPC分类号： F24F5/00 , F24D10/00 , F24D11/02 , F24D19/10 , F24F11/84
摘要： A heat pump assembly (100) is presented. The heat pump assembly (100) comprises a heat pump (110) having a primary side inlet (122) and a primary side outlet (124); a primary side inlet valve assembly (126) comprising: a primary side inlet connection (126a) connected to the primary side inlet (122), a primary side inlet valve first conduit connection (126b) configured to be connected to a first conduit (12) of a thermal energy grid (10), and a primary side inlet valve second conduit connection (126c) configured to be connected to a second conduit (14) of the thermal energy grid (10); a first conduit temperature determining device (105a) configured to measure a local temperature, t1, of heat transfer liquid of the first conduit (12); a second conduit temperature determining device (105b) configured to measure a local temperature, t2, of heat transfer liquid of the second conduit (14); and a controller (108). The controller is configured to: receive hand t2 from the first and second conduit temperature determining devices (105a; 105b), receive information pertaining to whether the heat pump (110) is a heating mode heat pump or a cooling mode heat pump. The controller is configured to upon the heat pump (110) is the heating mode heat pump and upon t2>t1 set the primary side inlet valve assembly (126) to fluidly connect the primary side inlet valve first conduit connection (126b) and the primary side inlet connection (126a), primary side inlet valve assembly (126) to fluidly connect the primary side inlet valve or upon the heat pump (110) is the heating mode heat pump and upon t1>t2, set the second conduit connection (126c) and the primary side inlet connection (126a). The controller is configured to upon the heat pump (110) is the cooling mode heat pump and upon t1>t2, set the primary side inlet valve assembly (126) to fluidly connect the primary side inlet valve second conduit connection (126c) and the primary side inlet connection (126a), or upon the heat pump (110) is the cooling mode heat pump and upon t2>t1, set the primary side inlet valve assembly (126) to fluidly connect the primary side inlet valve first conduit connection (126b) and the primary side inlet connection (126a).

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