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    • 2. 发明申请
    • TURBINE INLET CONDITION CONTROLLED ORGANIC RANKINE CYCLE
    • 涡轮机入口控制有机排放循环
    • WO2011159415A3
    • 2013-11-07
    • PCT/US2011036578
    • 2011-05-16
    • GEN ELECTRICKOPECEK HERBERTAST GABORFREY THOMAS JOHANNESHUCK PIERRE SEBASTIEN
    • KOPECEK HERBERTAST GABORFREY THOMAS JOHANNESHUCK PIERRE SEBASTIEN
    • F01K13/02F01K25/00F22G5/00
    • F01K25/10F01K13/02F22G5/00
    • A pressure sensor (20) measures an organic Rankine cycle (ORC) working fluid pressure in front of a radial inflow turbine (16), while a temperature sensor (22) measures an ORC working fluid temperature in front of the radial inflow turbine. A controller responsive to algorithmic software determines a superheated temperature of the working fluid in front of the radial inflow turbine based on the measured working fluid pressure and the measured working fluid temperature. The controller then manipulates the speed of a working fluid pump (12), the pitch of turbine variable inlet guide vanes when present, and combinations thereof, in response to the determined superheated temperature to maintain the superheated temperature of the ORC working fluid in front of the radial inflow turbine close to a predefined set point. The superheated temperature can thus be maintained in the absence of sensors other than pressure and temperature sensors.
    • 压力传感器(20)测量径向流入涡轮(16)前面的有机朗肯循环(ORC)工作流体压力,而温度传感器(22)测量径向流入涡轮机前面的ORC工作流体温度。 响应于算法软件的控制器基于测量的工作流体压力和所测量的工作流体温度来确定径向流入涡轮机前面的工作流体的过热温度。 然后,控制器响应于确定的过热温度来操纵工作流体泵(12)的速度,涡轮机可变入口导向叶片的间距及其组合,以将ORC工作流体的过热温度保持在 径向流入涡轮机靠近预定的设定点。 因此,除了压力和温度传感器之外,不存在传感器也可以保持过热温度。
    • 3. 发明申请
    • SYSTEM FOR RECOVERING WASTE HEAT
    • 回收废热系统
    • WO2011005374A2
    • 2011-01-13
    • PCT/US2010036321
    • 2010-05-27
    • GEN ELECTRICAST GABORFREY THOMAS JOHANNESHUCK PIERRE SEBASTIENKOPECEK HERBERT
    • AST GABORFREY THOMAS JOHANNESHUCK PIERRE SEBASTIENKOPECEK HERBERT
    • F02G5/04F01K23/04F01K23/065F01K25/06F01K25/10F02G2260/00F22B1/1807Y02E20/363Y02T10/166
    • A waste heat recovery system includes at least two integrated rankine cycle systems coupled to at least two separate heat sources having different temperatures. The first rankine cycle system is coupled to a first heat source and configured to circulate a first working fluid. The second rankine cycle system is coupled to at least one second heat source and configured to circulate a second working fluid. The first and second working fluid are circulatable in heat exchange relationship through a cascading heat exchange unit for condensation of the first working fluid in the first rankine cycle system and evaporation of the second working fluid in the second rankine cycle system. At least one recuperator having a hot side and a cold side is disposed in the first rankine cycle system, second rankine cycle system, or combinations thereof. The at least one recuperator is configured to desuperheat and preheat the first working fluid, second working fluid, or combinations thereof.
    • 废热回收系统包括与具有不同温度的至少两个分离的热源耦合的至少两个集成的Rankine循环系统。 第一级循环系统耦合到第一热源并且被配置为循环第一工作流体。 第二等级循环系统耦合到至少一个第二热源并且被配置为循环第二工作流体。 第一工作流体和第二工作流体可以通过级联热交换单元以热交换关系循环,用于在第一排水循环系统中的第一工作流体和第二排水循环系统中的第二工作流体的蒸发冷凝。 具有热侧和冷侧的至少一个热交换器被设置在第一等离子循环系统,第二等级循环系统或其组合中。 所述至少一个换热器被配置为对第一工作流体,第二工作流体或其组合进行过热和预热。
    • 6. 发明申请
    • AUTO OPTIMIZING CONTROL SYSTEM FOR ORGANIC RANKINE CYCLE PLANTS
    • 自动优化控制系统用于有机RANKINE CYCLE PLANTS
    • WO2011106174A2
    • 2011-09-01
    • PCT/US2011024500
    • 2011-02-11
    • GEN ELECTRICKOPECK HERBERTAST GABORFREY THOMAS JOHANNESFREUND SEBASTIANHUCK PIERRE SEBASTIEN
    • KOPECK HERBERTAST GABORFREY THOMAS JOHANNESFREUND SEBASTIANHUCK PIERRE SEBASTIEN
    • F01K25/08
    • F01K25/10F01K13/02F01K23/065F01K25/06
    • A waste heat recovery plant control system includes a programmable controller configured to generate expander speed control signals, expander inlet guide vane pitch control signals, fan speed control signals, pump speed control signals, and valve position control signals in response to an algorithmic optimization software to substantially maximize power output or efficiency of a waste heat recovery plant based on organic Rankine cycles, during mismatching temperature levels of external heat source(s), during changing heat loads coming from the heat sources, and during changing ambient conditions and working fluid properties. The waste heat recovery plant control system substantially maximizes power output or efficiency of the waste heat recovery plant during changing/mismatching heat loads coming from the external heat source(s) such as the changing amount of heat coming along with engine jacket water and its corresponding exhaust in response to changing engine power.
    • 废热回收设备控制系统包括可编程控制器,其被配置为响应于算法优化软件生成扩展器速度控制信号,扩展器入口导向叶片变桨控制信号,风扇速度控制信号,泵速度控制信号和阀位置控制信号 在改变来自热源的热负荷期间以及在变化的环境条件和工作流体性质期间,基于有机朗肯循环,外部热源的不匹配的温度水平,大大地最大化废热回收设备的功率输出或效率。 废热回收设备控制系统在改变/不匹配来自外部热源的热负荷(例如随发动机护套水一起发生的变化的热量)及其相应的热量的变化/不匹配的情况下,大大地最大限度地提高废热回收设备的功率输出或效率 响应发动机功率变化而排气。
    • 9. 发明申请
    • SYSTEM AND METHOD FOR RECOVERING WASTE HEAT
    • 回收废热的系统和方法
    • WO2009006006A3
    • 2010-07-22
    • PCT/US2008067090
    • 2008-06-16
    • GEN ELECTRICAST GABORBARTLETT MICHAEL ADAMFREY THOMAS JOHANNESLEHAR MATTHEW ALEXANDER
    • AST GABORBARTLETT MICHAEL ADAMFREY THOMAS JOHANNESLEHAR MATTHEW ALEXANDER
    • F01K23/04
    • F01K23/04Y02E50/11
    • A waste heat recovery system (10) includes at least two integrated rankine cycle systems (12, 14) coupled to at least two separate heat sources having different temperatures. The first rankine cycle system (12) is coupled to a first heat source (18) and configured to circulate a first working fluid. The second rankine cycle system (14) is coupled to at least one second heat source (28, 30, 32) and configured to circulate a second working fluid. The at least one second heat source includes a lower temperature heat source than the first heat source. The first and second working fluid are circulatable in heat exchange relationship through a cascading heat exchange unit (24) for condensation of the first working fluid in the first rankine cycle system and evaporation of the second working fluid in the second rankine cycle system.
    • 废热回收系统(10)包括至少两个与具有不同温度的至少两个分离的热源耦合的综合排序循环系统(12,14)。 第一级循环系统(12)耦合到第一热源(18)并且被配置为循环第一工作流体。 第二等级循环系统(14)耦合到至少一个第二热源(28,30,32)并且被配置为循环第二工作流体。 至少一个第二热源包括比第一热源低的温度较低的热源。 第一工作流体和第二工作流体可通过级联热交换单元(24)以热交换关系循环,用于冷凝第一工作流体在第一列数循环系统中并蒸发第二工作流体在第二排列循环系统中。