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1. 发明申请

WO2014117074A1 PROCESS FOR CONTROLLING A POWER TURBINE THROTTLE VALVE DURING A SUPERCRITICAL CARBON DIOXIDE RANKINE CYCLE 审中-公开
标题翻译：在超级二氧化碳排放循环期间控制电动涡轮阀门的过程
公开(公告)号：WO2014117074A1
公开(公告)日：2014-07-31
申请号：PCT/US2014/013170
申请日：2014-01-27
申请人： ECHOGEN POWER SYSTEMS, L.L.C. , BOWAN, Brett A.
发明人： BOWAN, Brett A.
IPC分类号： F01K23/10 , F01K25/08
CPC分类号： F01K7/165 , F01D13/02 , F01D17/00 , F01D17/04 , F01D19/00 , F01D19/02 , F01D21/00 , F01D21/14 , F01K7/32 , F01K13/02 , F01K25/103
摘要： Embodiments of the invention generally provide a heat engine system, a method for generating electricity, and an algorithm for controlling the heat engine system which are configured to efficiently transform thermal energy of a waste heat stream into electricity. In one embodiment, the heat engine system utilizes a working fluid ( e.g. , sc-CO 2 ) within a working fluid circuit for absorbing the thermal energy that is transformed to mechanical energy by a turbine and electrical energy by a generator. The heat engine system further contains a control system operatively connected to the working fluid circuit and enabled to monitor and control parameters of the heat engine system by manipulating a power turbine throttle valve to adjust the flow of the working fluid. A control algorithm containing multiple system controllers may be utilized by the control system to adjust the power turbine throttle valve while maximizing efficiency of the heat engine system.
摘要翻译：本发明的实施例通常提供一种热发动机系统，一种用于发电的方法和一种用于控制热机系统的算法，其被配置为有效地将废热流的热能转换成电。在一个实施例中，热机系统利用工作流体回路内的工作流体（例如，sc-CO 2）来吸收由发电机转化为机械能并由发电机产生的电能的热能。热机系统还包括可操作地连接到工作流体回路的控制系统，并且能够通过操纵动力涡轮节流阀来调节工作流体的流动来监测和控制热力发动机系统的参数。控制系统可以使用包含多个系统控制器的控制算法来调节功率涡轮节流阀，同时最大化热机系统的效率。

2. 发明申请

WO2015034988A1 CONTROL METHODS FOR HEAT ENGINE SYSTEMS HAVING A SELECTIVELY CONFIGURABLE WORKING FLUID CIRCUIT 审中-公开
标题翻译：具有可选择的可配置工作流体电路的发动机系统的控制方法
公开(公告)号：WO2015034988A1
公开(公告)日：2015-03-12
申请号：PCT/US2014/053995
申请日：2014-09-04
申请人： ECHOGEN POWER SYSTEMS, L.L.C. , GIEGEL, Joshua , HELD, Timothy , BOWAN, Brett A. , CLOSE, Cameron
发明人： GIEGEL, Joshua , HELD, Timothy , BOWAN, Brett A. , CLOSE, Cameron
IPC分类号： F01K23/10 , F01K25/08 , F01D17/00 , F02G5/02 , F01N5/02 , F01K7/32
CPC分类号： F01K25/08 , F01K23/10
摘要： Systems and methods for controlling a heat engine system are provided. One method includes initiating flow of a working fluid through a working fluid circuit having a high pressure side and a low pressure side by controlling a pump to pressurize and circulate the working fluid through the working fluid circuit and determining a configuration of the working fluid circuit by determining which of a plurality of waste heat exchangers and which of a plurality of recuperators to position in the high pressure side of the working fluid circuit. The method also includes determining, based on the determined configuration of the working fluid circuit, for each of a plurality of valves, whether to position each respective valve in an opened position, a closed position, or a partially opened position and actuating each of the plurality of valves to the determined opened position, closed position, or partially opened position.
摘要翻译：提供了用于控制热机系统的系统和方法。一种方法包括通过控制泵将工作流体加压并循环通过工作流体回路并通过工作流体回路的构造来确定工作流体回路的构造，来启动工作流体流过具有高压侧和低压侧的工作流体回路确定多个废热交换器中的哪一个以及多个换热器中的哪一个在工作流体回路的高压侧中定位。该方法还包括基于所确定的工作流体回路的构造，确定多个阀中的每一个，确定是否将每个相应的阀定位在打开位置，关闭位置或部分打开位置，并致动多个阀到确定的打开位置，关闭位置或部分打开位置。

3. 发明申请

WO2016073245A1 VALVE NETWORK AND METHOD FOR CONTROLLING PRESSURE WITHIN A SUPERCRITICAL WORKING FLUID CIRCUIT IN A HEAT ENGINE SYSTEM WITH A TURBOPUMP 审中-公开
标题翻译：阀门网络和控制压力的方法在具有涡轮发动机的热发动机系统中的超临界工作流体回路中
公开(公告)号：WO2016073245A1
公开(公告)日：2016-05-12
申请号：PCT/US2015/057701
申请日：2015-10-28
申请人： ECHOGEN POWER SYSTEMS, L.L.C. , BOWAN, Brett A. , VERMEERSCH, Michael Louis
发明人： BOWAN, Brett A. , VERMEERSCH, Michael Louis
IPC分类号： F01K25/02 , F02K9/48 , F04D15/00
CPC分类号： F01K13/02 , F01K7/16 , F01K11/02 , F01K25/02 , F01K25/103 , F04D15/0011 , F04D15/0072 , F05D2260/85
摘要： Aspects of the invention generally provide a heat engine system and a method for activating a turbopump within the heat engine system during a start-up process. The heat engine system utilizes a working fluid circulated within a working fluid circuit for capturing thermal energy. In one exemplary aspect, a start-up process for a turbopump in the heat engine system is provided such that the turbopump achieves self-sustained operation in a supercritical Rankine cycle. Bypass and check valves of a start pump and the turbopump, a drive turbine throttle valve, and other valves, lines, or pumps within the working fluid circuit are controlled during the turbopump start-up process. A process control system may utilize advanced control techniques of the control sequence to provide a successful start-up process of the turbopump without over pressurizing the working fluid circuit or damaging the turbopump via low bearing pressure.
摘要翻译：本发明的方面通常提供一种热机系统和一种在启动过程中激活热发动机系统内的涡轮泵的方法。热机系统利用在工作流体回路内循环的工作流体来捕获热能。在一个示例性方面，提供了一种用于热机系统中的涡轮泵的启动过程，使得涡轮泵在超临界兰金循环中实现自持续运行。在涡轮泵启动过程中控制起动泵和涡轮泵，驱动涡轮节流阀以及工作流体回路内的其它阀，管路或泵的旁通和止回阀。过程控制系统可利用控制顺序的先进控制技术来提供涡轮泵的成功启动过程，而不会对工作流体回路过压或通过低轴承压力损坏涡轮泵。

4. 发明申请

WO2014164826A1 MANAGEMENT OF WORKING FLUID DURING HEAT ENGINE SYSTEM SHUTDOWN 审中-公开
标题翻译：热发动机系统关闭时工作流体的管理
公开(公告)号：WO2014164826A1
公开(公告)日：2014-10-09
申请号：PCT/US2014/023567
申请日：2014-03-11
申请人： VERMEERSCH, Michael Louis , BOWAN, Brett A. , MILLER, Jason , KHAIRNAR, Swapnil , ECHOGEN POWER SYSTEMS, L.L.C.
发明人： VERMEERSCH, Michael Louis , BOWAN, Brett A. , MILLER, Jason , KHAIRNAR, Swapnil
IPC分类号： F01K13/02 , F01K27/00 , F01K23/02 , F01K23/18
CPC分类号： F01K13/02 , F01K7/16 , F01K25/103
摘要： Provided herein are a heat engine system and a method for managing a working fluid in the heat engine system during an emergency shutdown. The heat engine system utilizes a working fluid (e.g., sc-CO2) contained within a working fluid circuit to absorb and transport heat. An inventory system is coupled to the working fluid circuit and configured to receive and store at least a portion of the working fluid in the working fluid circuit during an emergency shutdown process. An attemperation line is coupled to the working fluid circuit upstream one or more heat exchangers and configured to direct a portion of the working fluid flow around at least one or more heat exchangers, thereby managing the temperature of the working fluid in the working fluid circuit.
摘要翻译：本文提供了一种在紧急停机期间管理热机系统中的工作流体的热机系统和方法。热机系统利用包含在工作流体回路内的工作流体（例如，sc-CO 2）来吸收和输送热量。库存系统耦合到工作流体回路并且构造成在紧急关闭过程期间接收并存储工作流体回路中的至少一部分工作流体。调温线路连接到一个或多个热交换器上游的工作流体回路，并且构造成将一部分工作流体流动到至少一个或多个热交换器周围，从而管理工作流体回路中的工作流体的温度。

5. 发明申请

WO2014164620A1 PUMP AND VALVE SYSTEM FOR CONTROLLING A SUPERCRITICAL WORKING FLUID CIRCUIT IN A HEAT ENGINE SYSTEM 审中-公开
标题翻译：用于控制热发动机系统中超临界工作流体泵的泵和阀系统
公开(公告)号：WO2014164620A1
公开(公告)日：2014-10-09
申请号：PCT/US2014/023026
申请日：2014-03-11
申请人： ECHOGEN POWER SYSTEMS, L.L.C. , BOWAN, Brett A.
发明人： BOWAN, Brett A.
IPC分类号： F01D15/10 , F01K23/10 , F02G5/00
CPC分类号： F01K25/08 , F01K7/34 , F01K23/065 , F01K23/10
摘要： Provided herein is a heat engine system and a method for generating electricity. The heat engine system contains a turbo pump throttle valve fluidly coupled to a working fluid circuit and disposed upstream of a turbine inlet on a drive turbine of a turbo pump, a primary governing loop controller configured to maintain a desirable value of the inlet pressure by modulating the turbo pump throttle valve, and a secondary governing loop controller configured to detect an undesirable value of the inlet pressure and to increase the inlet pressure by modulating the turbo pump throttle valve. A start pump bypass valve may be fluidly coupled to a bypass line and disposed downstream of a pump outlet on a start pump and/or a turbo pump bypass valve may be fluidly coupled to the bypass line and disposed downstream of the turbo pump.
摘要翻译：本发明提供一种热机系统及发电方法。热机系统包括流体耦合到工作流体回路并且设置在涡轮泵的驱动涡轮机上的涡轮机入口的上游的涡轮泵节流阀，主调节回路控制器被配置为通过调节来维持入口压力的期望值涡轮泵节流阀和辅助调节回路控制器，其被配置为检测入口压力的不期望值并且通过调节涡轮泵节流阀来增加入口压力。启动泵旁通阀可以流体地联接到旁路管线并且设置在起动泵上的泵出口的下游，和/或涡轮泵旁通阀可以流体地联接到旁路管线并且设置在涡轮泵的下游。

6. 发明申请

WO2016073252A1 ACTIVE THRUST MANAGEMENT OF A TURBOPUMP WITHIN A SUPERCRITICAL WORKING FLUID CIRCUIT IN A HEAT ENGINE SYSTEM 审中-公开
标题翻译：热力发动机系统超临界流体线路中的涡轮发电机的主动控制
公开(公告)号：WO2016073252A1
公开(公告)日：2016-05-12
申请号：PCT/US2015/057756
申请日：2015-10-28
申请人： ECHOGEN POWER SYSTEMS, L.L.C. , BOWAN, Brett A.
发明人： BOWAN, Brett A.
IPC分类号： F01K25/10 , F01K23/02 , F01K7/32 , F01K11/02 , F01D15/10
CPC分类号： F01D25/22 , F01D3/04 , F01D15/08 , F01D17/08 , F01D25/10 , F01D25/168 , F01K7/32 , F01K11/02 , F01K23/02 , F01K25/10 , F01K25/103 , F04D13/04 , F04D29/0413 , F04D29/0473 , F04D29/061 , F05D2240/52 , F05D2260/98
摘要： Aspects of the invention disclosed herein generally provide a heat engine system, a turbopump system, and methods for lubricating a turbopump while generating energy. The systems and methods provide proper lubrication and cooling to turbomachinery components by controlling pressures applied to a thrust bearing in the turbopump. The applied pressure on the thrust bearing may be controlled by a turbopump back-pressure regulator valve adjusted to maintain proper pressures within bearing pockets disposed on two opposing surfaces of the thrust bearing. Pocket pressure ratios, such as a turbine-side pocket pressure ratio (P1) and a pump-side pocket pressure ratio (P2), may be monitored and adjusted by a process control system. In order to prevent damage to the thrust bearing, the systems and methods may utilize advanced control theory of sliding mode, the multi-variables of the pocket pressure ratios P1 and P2, and regulating the bearing fluid to maintain a supercritical state.
摘要翻译：本文公开的本发明的方面通常提供热机系统，涡轮泵系统以及用于在产生能量的同时润滑涡轮泵的方法。系统和方法通过控制施加到涡轮泵中的推力轴承的压力来为涡轮机组件提供适当的润滑和冷却。推力轴承上施加的压力可以通过调节以维持设置在推力轴承的两个相对表面上的轴承槽内的适当压力的涡轮泵背压调节阀来控制。诸如涡轮机侧口袋压力比（P1）和泵侧口袋压力比（P2）之类的口袋压力比可以由过程控制系统来监测和调节。为了防止推力轴承的损坏，系统和方法可以利用滑动模式的先进控制理论，口袋压力比P1和P2的多变量，并调节轴承流体以保持超临界状态。

7. 发明申请

WO2014165144A1 CONTROL SYSTEM FOR A HEAT ENGINE SYSTEM UTILIZING SUPERCRITICAL WORKING FLUID 审中-公开
标题翻译：一种利用超临界工作流体的热发动机系统控制系统
公开(公告)号：WO2014165144A1
公开(公告)日：2014-10-09
申请号：PCT/US2014/024548
申请日：2014-03-12
申请人： ECHOGEN POWER SYSTEMS, L.L.C. , BOWAN, Brett A.
发明人： BOWAN, Brett A.
IPC分类号： F01K25/02 , F01K25/08 , F01D15/10 , F01K23/02
CPC分类号： F01D17/20 , F01D15/10 , F01K7/06 , F01K7/32 , F01K13/02 , F01K25/103
摘要： A heat engine system and a method for generating electrical energy from the heat engine system are provided. The method includes circulating via a turbo pump a working fluid within a working fluid circuit of the heat engine system. The method also includes transferring thermal energy from a heat source stream to the working fluid by at least a primary heat exchanger, feeding the working fluid into a power turbine and converting the thermal energy from the working fluid to mechanical energy, and converting the mechanical energy into electrical energy by a generator coupled to the power turbine. At least one valve operatively coupled to a control system is modulated in order to synchronize the generator with an electrical grid. A generator breaker is closed such that the generator and electrical grid are electrically coupled and the electrical energy is supplied to the electrical grid.
摘要翻译：提供了一种热机系统和从热机系统产生电能的方法。该方法包括通过涡轮泵循环在发动机系统的工作流体回路内的工作流体。该方法还包括通过至少一个主热交换器将热能从热源流传递到工作流体，将工作流体供给到动力涡轮机中，并将来自工作流体的热能转化为机械能，并将机械能通过耦合到动力涡轮机的发电机进入电能。至少一个可操作地耦合到控制系统的阀被调制以使发电机与电网同步。发电机断路器是闭合的，使得发电机和电网电耦合并且将电能提供给电网。

8. 发明申请

WO2014059235A1 BYPASS AND THROTTLE VALVES FOR A SUPERCRITICAL WORKING FLUID CIRCUIT 审中-公开
标题翻译：用于超临界工作流体电路的旁通阀和节流阀
公开(公告)号：WO2014059235A1
公开(公告)日：2014-04-17
申请号：PCT/US2013/064475
申请日：2013-10-11
申请人： ECHOGEN POWER SYSTEMS, L.L.C. , BOWAN, Brett A. , VERMEERSCH, Michael Louis
发明人： BOWAN, Brett A. , VERMEERSCH, Michael Louis
IPC分类号： F01K25/08 , F02G5/00
CPC分类号： F01K7/32 , F01K13/02 , F01K25/103
摘要： Aspects of the invention disclosed herein generally provide heat engine systems and methods for recovering energy, such as by generating electricity from thermal energy. Generally, the heat engine system has a working fluid circuit containing a working fluid (e.g., sc-CO 2 ) for absorbing thermal energy from the heat source stream via a heat exchanger. In one aspect, the method includes controlling a power turbine by modulating a turbo pump throttle valve and a power turbine bypass valve to adjust the flowrate of the working fluid entering the power turbine while monitoring and controlling process operation parameters of the heat engine system to synchronize the frequency of the power generator to the frequency of the electrical grid during a synchronization process.
摘要翻译：本文公开的本发明的方面通常提供用于回收能量的热引擎系统和方法，例如通过从热能发电。通常，热机系统具有工作流体回路，其包含用于经由热交换器从热源流吸收热能的工作流体（例如，sc-CO 2）。一方面，该方法包括通过调节涡轮泵节流阀和动力涡轮旁通阀来控制动力涡轮机，以调节进入动力涡轮机的工作流体的流量，同时监测和控制热机系统的过程操作参数以同步在同步过程中发电机的频率与电网的频率有关。

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