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1. 发明授权

US11585231B2 Device and method for operating volumetric expansion machines 有权
公开(公告)号：US11585231B2
公开(公告)日：2023-02-21
申请号：US17219803
申请日：2021-03-31
申请人： ORCAN ENERGY AG , Bitzer Kühlmaschinenbau GmbH
发明人： Richard Aumann , Andreas Grill , Roy Langer , Andreas Schuster
IPC分类号： F01K25/00 , F01D15/10 , F01K25/10 , F01D17/00 , F25B11/02 , H02K7/18
摘要： A device is provided comprising an expansion machine for generating mechanical energy by expanding vapor of a working medium; a generator connected to a shaft of the expansion machine and used for generating electric energy from mechanical energy of the expansion machine; wherein the expansion machine and the generator form a structural unit with an exhaust vapor chamber between the expansion machine and the generator, and wherein, when the expansion machine is in operation, working medium expanded into the exhaust vapor chamber contacts the generator; and means for feeding, in particular injecting, a liquid working medium into the exhaust vapor chamber. Also provided is an ORC device comprising the device and a method for operating the device.

2. 发明申请

US20210215058A1 DEVICE AND METHOD FOR OPERATING VOLUMETRIC EXPANSION MACHINES 有权
公开(公告)号：US20210215058A1
公开(公告)日：2021-07-15
申请号：US17219803
申请日：2021-03-31
申请人： ORCAN ENERGY AG , Bitzer Kühlmaschinenbau GmbH
发明人： Richard Aumann , Andreas Grill , Roy Langer , Andreas Schuster
IPC分类号： F01D15/10 , F01K25/10 , F01D17/00 , F25B11/02 , H02K7/18
摘要： A device is provided comprising an expansion machine for generating mechanical energy by expanding vapor of a working medium; a generator connected to a shaft of the expansion machine and used for generating electric energy from mechanical energy of the expansion machine; wherein the expansion machine and the generator form a structural unit with an exhaust vapor chamber between the expansion machine and the generator, and wherein, when the expansion machine is in operation, working medium expanded into the exhaust vapor chamber contacts the generator; and means for feeding, in particular injecting, a liquid working medium into the exhaust vapor chamber. Also provided is an ORC device comprising the device and a method for operating the device.

3. 发明授权

US10968766B2 Device and method for operating volumetric expansion machines 有权
公开(公告)号：US10968766B2
公开(公告)日：2021-04-06
申请号：US15104923
申请日：2014-09-03
申请人： ORCAN ENERGY AG
发明人： Richard Aumann , Andreas Grill , Roy Langer , Andreas Schuster
IPC分类号： F01D15/10 , F01K25/10 , F01D17/00 , F25B11/02 , H02K7/18
摘要： The invention relates to a device comprising: an expansion machine for generating mechanical energy by expanding vapor of a working medium; a generator connected to a shaft of the expansion machine and used for generating electric energy from mechanical energy of the expansion machine; wherein the expansion machine and the generator form a structural unit with an exhaust vapor chamber between the expansion machine and the generator, and wherein, when the expansion machine is in operation, working medium expanded into the exhaust vapor chamber contacts the generator; and means for feeding, in particular injecting, a liquid working medium into the exhaust vapor chamber. The invention also relates to an ORC device comprising the device according to the present invention and to a method for operating the device according to the present invention.

4. 发明申请

US20170030227A1 DEVICE AND METHOD FOR RECOGNIZING LEAKS IN CLOSED CIRCULAR PROCESSES 审中-公开
标题翻译：用于识别封闭圆形过程中泄漏的装置和方法
公开(公告)号：US20170030227A1
公开(公告)日：2017-02-02
申请号：US15303902
申请日：2015-04-09
申请人： ORCAN ENERGY AG
发明人： Andreas Grill , Jens-Patrick Springer , Richard Aumann , Roy Langer , Daniela Gewald , Andreas Schuster
IPC分类号： F01K13/00 , G01M3/00
CPC分类号： F01K13/003 , G01M3/002
摘要： The invention relates to a method for detecting a leak in a thermodynamic cycle device with a condenser for condensing vaporous working medium, comprising the following steps: determining sub-cooling of the working medium in the condenser, wherein sub-cooling is determined as a difference between a condensation temperature in the condenser and a temperature of a liquid working medium exiting the condenser; detecting a leak in the event that the sub-cooling determined differs from a setpoint value for the sub-cooling or in the event that a filling quantity of the working medium in the thermodynamic cycle device, being determined from the determined sub-cooling, differs from a setpoint value for the filling quantity. The invention further relates to a corresponding computer program product and to a corresponding device.
摘要翻译：本发明涉及一种用于冷凝蒸气工作介质的冷凝器的热循环装置中的泄漏检测方法，包括以下步骤：确定冷凝器中的工作介质的次冷却，其中将次冷却确定为差在冷凝器中的冷凝温度和离开冷凝器的液体工作介质的温度之间; 在确定的副冷却不同于次冷却的设定值的情况下或者在从确定的次冷却确定的热力循环装置中的工作介质的填充量不同的情况下，检测泄漏从填充量的设定值。本发明还涉及相应的计算机程序产品和相应的设备。

5. 发明授权

US10329961B2 Sensorless condenser regulation for power optimization for ORC systems 有权
公开(公告)号：US10329961B2
公开(公告)日：2019-06-25
申请号：US15106709
申请日：2014-09-03
申请人： ORCAN ENERGY AG
发明人： Jens-Patrick Springer , Andreas Grill
IPC分类号： F01K13/02 , F01K9/00 , F28B1/06 , F28B11/00 , F01K11/00 , F01K25/08
摘要： The invention relates to a method for regulating a condenser in a thermal cycle apparatus, in particular in an ORC apparatus, wherein the thermal cycle apparatus comprises a feed pump for conveying liquid working medium with an increase in pressure to an evaporator, the evaporator for evaporating and optionally additionally superheating the working medium with a supply of heat, an expansion machine for generating mechanical energy by expansion of the evaporated working medium, a generator for at least partially converting the mechanical energy into electrical energy, and the condenser for condensing the expanded working medium, and wherein the method comprises the following steps: determining a rotational speed of the generator or of the expansion machine; determining, without the use of a temperature sensor, a temperature of cooling air supplied from the condenser; determining from the determined generator or expansion machine rotational speed and the determined cooling air temperature, a condensation setpoint pressure at which the net electrical power of the thermal cycle apparatus is at a maximum; and controlling or regulating the condensation pressure, with the condensation setpoint pressure as target value, in particular by adjusting a condenser fan rotational speed.

6. 发明授权

US10247046B2 Device and method for reliably starting ORC systems 有权
公开(公告)号：US10247046B2
公开(公告)日：2019-04-02
申请号：US15030862
申请日：2014-10-20
申请人： ORCAN ENERGY AG
发明人： Andreas Schuster , Asim Celik , Andreas Grill , Jens-Patrick Springer , Daniela Gewald , Richard Aumann
IPC分类号： F01K13/02 , F01K13/00 , F01K11/00 , F01K25/08
摘要： The invention relates to a thermodynamic cycle apparatus, comprising: a working medium; an evaporator for evaporating the working medium; an expansion machine; a condenser, and a pump, wherein the geometrical arrangement of the evaporator is selected such that the condensed working medium can flow from the condenser to the evaporator by force of gravity and the working medium can circulate in a closed circuit via the evaporator and the condenser wherein a predetermined head height of the liquid working medium can be provided at the pump. The invention additionally relates to a method of starting the thermodynamic cycle apparatus the method comprising the following steps: applying heat to the evaporator and evaporating the working medium in the evaporator, wherein the working medium is caused to flow to the condenser; condensing the working medium in the condenser; starting the pump when a predetermined head height of the working medium at the pump is reached or exceeded.

7. 发明申请

US20160319691A1 DEVICE AND METHOD FOR OPERATING VOLUMETRIC EXPANSION MACHINES 审中-公开
标题翻译：用于操作体积膨胀机的装置和方法
公开(公告)号：US20160319691A1
公开(公告)日：2016-11-03
申请号：US15104923
申请日：2014-09-03
申请人： ORCAN ENERGY AG
发明人： Richard Aumann , Andreas Grill , Roy Langer , Andreas Schuster
IPC分类号： F01D15/10 , H02K7/18 , F25B11/02 , F01D17/00
CPC分类号： F01D15/10 , F01D17/00 , F01K25/10 , F25B11/02 , F25B2500/16 , H02K7/1823
摘要： The invention relates to a device comprising: an expansion machine for generating mechanical energy by expanding vapor of a working medium; a generator connected to a shaft of the expansion machine and used for generating electric energy from mechanical energy of the expansion machine; wherein the expansion machine and the generator form a structural unit with an exhaust vapor chamber between the expansion machine and the generator, and wherein, when the expansion machine is in operation, working medium expanded into the exhaust vapor chamber contacts the generator; and means for feeding, in particular injecting, a liquid working medium into the exhaust vapor chamber. The invention also relates to an ORC device comprising the device according to the present invention and to a method for operating the device according to the present invention.
摘要翻译：本发明涉及一种装置，包括：膨胀机，用于通过膨胀工作介质的蒸汽产生机械能; 连接到膨胀机的轴的发电机，用于从膨胀机的机械能产生电能; 其特征在于，所述膨胀机和所述发电机在所述膨胀机与所述发电机之间形成具有排气蒸气室的结构单元，并且其中，当所述膨胀机运行时，扩大到所述排气蒸气室的工作介质与所述发电机接触; 以及用于将液体工作介质输送到排气蒸气室中的装置，特别是注入。本发明还涉及包括根据本发明的装置和根据本发明的用于操作装置的方法的ORC装置。

8. 发明授权

US10480515B2 Performance map control of centrifugal pumps 有权
公开(公告)号：US10480515B2
公开(公告)日：2019-11-19
申请号：US14911925
申请日：2014-06-27
申请人： ORCAN ENERGY AG
发明人： Jens-Patrick Springer , Andreas Grill , Richard Aumann , Andreas Schuster
IPC分类号： F04D15/00 , F01K13/02 , F04D1/00 , F04D29/42
摘要： The present invention relates to a method for controlling a pump, in particular a centrifugal pump, during pumping of a liquid, comprising the following steps: fixing a setpoint value of a flow rate of the pump; measuring an inlet pressure of the liquid upstream of the pump and an outlet pressure of the liquid downstream of the pump; determining a setpoint value of a rotational speed of the pump from a performance map of the pump, wherein the fixed setpoint value of the flow rate and a difference between the outlet pressure and the inlet pressure are incorporated into the performance map as input values; and setting the rotational speed of the pump to the setpoint value of the rotational speed. Furthermore, the invention relates to a corresponding device for controlling a pump.

9. 发明授权

US10352197B2 Device and method for recognizing leaks in closed circular processes 有权
公开(公告)号：US10352197B2
公开(公告)日：2019-07-16
申请号：US15303902
申请日：2015-04-09
申请人： ORCAN ENERGY AG
发明人： Andreas Grill , Jens-Patrick Springer , Richard Aumann , Roy Langer , Daniela Walter , Andreas Schuster
IPC分类号： G01M3/00 , F01K13/00
摘要： The invention relates to a method for detecting a leak in a thermodynamic cycle device with a condenser for condensing vaporous working medium, comprising the following steps: determining sub-cooling of the working medium in the condenser, wherein sub-cooling is determined as a difference between a condensation temperature in the condenser and a temperature of a liquid working medium exiting the condenser; detecting a leak in the event that the sub-cooling determined differs from a setpoint value for the sub-cooling or in the event that a filling quantity of the working medium in the thermodynamic cycle device, being determined from the determined sub-cooling, differs from a setpoint value for the filling quantity. The invention further relates to a corresponding computer program product and to a corresponding device.

10. 发明授权

US10100682B2 Lubrication of expansion machines 有权
公开(公告)号：US10100682B2
公开(公告)日：2018-10-16
申请号：US14653242
申请日：2013-12-03
申请人： ORCAN ENERGY AG
发明人： Andreas Grill , Jens-Patrick Springer , Gabor Ast , Andreas Sichert , Richard Aumann , Andreas Schuster
IPC分类号： F01K25/06 , F01M7/00 , F01K17/04 , F22D11/02 , F01M1/02 , F01K7/36 , F22B1/16
摘要： The invention relates to a thermodynamic circuit process device comprising a working medium having a lubricant additive; an expansion machine (5) for converting enthalpy in the working medium into mechanical energy; a multi-stage pressure-increasing apparatus (1) for the step-by-step pressurization of the working medium; a means (4) for branching a part of the working medium between two stages of the multi-stage pressure-increasing apparatus (1); and a means (4) for feeding the branched off part of the working medium to one or a plurality of bearing points of the expansion machine. The invention further relates to a corresponding method for lubricating an expansion machine in a thermodynamic circuit process device.

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