公开(公告)号：US20100285381A1

公开(公告)日：2010-11-11

申请号：US12740469

申请日：2007-10-29

申请人： Bruce P. Biederman ,  Jarso Mulugeta ,  Lili Zhang ,  Frederick James Cogswell

发明人： Bruce P. Biederman ,  Jarso Mulugeta ,  Lili Zhang ,  Frederick James Cogswell

IPC分类号： H01M8/04

CPC分类号： H01M8/04029 ,  H01M8/04059 ,  H01M8/04111 ,  H01M8/04701

摘要： An organic rankine cycle system is combined with a fuel system so as to use the waste heat from the fuel cell to both preheat and evaporate the working fluid in the organic rankine cycle system to thereby provide improved efficiencies in the system.

摘要翻译： 一种有机的酸碱循环系统与燃料系统相结合，以便利用来自燃料电池的废热来预热和蒸发有机等级循环系统中的工作流体，从而提高系统的效率。

公开(公告)号：US07200996B2

公开(公告)日：2007-04-10

申请号：US10840775

申请日：2004-05-06

申请人： Frederick James Cogswell ,  Pengju Kang

发明人： Frederick James Cogswell ,  Pengju Kang

IPC分类号： F01K25/06

CPC分类号： F01K13/02 ,  F01K25/08

摘要： The invention is a system and method for smoothly starting and controlling an ORC power plant. The system comprises a cascaded closed loop control that accounts for the lack of relationship between pump speed and pressure at startup so as to control pump speed and pressure, and that smoothly transitions into a steady state regime as a stable operating condition of the system is attained. The cascaded loop receives signals corresponding to a superheat setpoint, a pressure at an evaporator exit, and a temperature at an evaporator exit, and controls the pump speed and pressure upon startup to provide smooth operation. The system and method can further comprise a feed-forward control loop to deal with conditions at start-up and when external disturbances are applied to the ORC power plant.

摘要翻译： 本发明是一种用于顺利启动和控制ORC发电厂的系统和方法。 该系统包括级联闭环控制，其考虑了启动时泵速度和压力之间缺乏关系，以便控制泵的速度和压力，并且在达到系统的稳定运行状态时平滑地转变为稳态状态 。 级联环路接收对应于过热设定点，蒸发器出口处的压力和蒸发器出口处的温度的信号，并且在启动时控制泵速度和压力以提供平稳的操作。 该系统和方法还可以包括前馈控制回路以处理启动时的状况，以及当外部干扰被施加到ORC发电厂时。

公开(公告)号：US07290393B2

公开(公告)日：2007-11-06

申请号：US10839914

申请日：2004-05-06

申请人： Frederick James Cogswell ,  Pengju Kang

发明人： Frederick James Cogswell ,  Pengju Kang

IPC分类号： F01K25/08

CPC分类号： F01K13/02 ,  F01K25/08 ,  H02P9/008

摘要： The invention is a system and method for synchronizing an induction machine to an electrical grid. The embodiment described is an ORC power plant having a motor-generator in mechanical communication with a turbine. The motor-generator is operated with open windings (e.g., freewheeling) by driving the turbine with a variable speed pump. The rotational speed of the motor-generator is sensed. When the motor-generator is operating at a rotational speed near the steady state rotational speed that corresponds to operation of the ORC power plant, the contacts between the motor-generator windings and the grid are closed, and the motor is synchronized with the grid.

摘要翻译： 本发明是一种将感应电机同步到电网的系统和方法。 所描述的实施例是具有与涡轮机械连通的电动发电机的ORC发电厂。 通过用变速泵驱动涡轮机，电动发电机以开放绕组（例如，续流）运行。 感测到电动发电机的转速。 当电动发电机以与ORC发电厂的运行相对应的稳态转速附近的转速运转时，电动发电机绕组与电网之间的接触闭合，电动机与电网同步。

公开(公告)号：US20060201468A1

公开(公告)日：2006-09-14

申请号：US11076742

申请日：2005-03-10

申请人： David Lancaster ,  Mark Kosowski ,  Mark Theobald ,  James Cogswell ,  Bryan Snyder ,  John Miller ,  David Freiman

发明人： David Lancaster ,  Mark Kosowski ,  Mark Theobald ,  James Cogswell ,  Bryan Snyder ,  John Miller ,  David Freiman

IPC分类号： F02N17/00

CPC分类号： F01N3/323 ,  F02D9/1055 ,  F02D11/10 ,  F02D41/0002 ,  F02D41/062 ,  F02D2009/024 ,  F02D2009/0249 ,  F02D2250/28 ,  F02N19/00 ,  F02N19/004 ,  Y02T10/20 ,  Y02T10/42

摘要： An internal combustion engine's start-up torsional disturbances are reduced by drawing down intake manifold pressure prior to engine cranking. In a preferred arrangement, a secondary air injection reaction pump is adapted for evacuating the intake manifold to effect the desired draw down of the intake manifold pressure.

摘要翻译： 在发动机起动之前，通过拉下进气歧管压力来减少内燃机的启动扭转扰动。 在优选的布置中，二次空气喷射反应泵适于抽空进气歧管以实现所需的进气歧管压力的下降。

公开(公告)号：US07036315B2

公开(公告)日：2006-05-02

申请号：US10742724

申请日：2003-12-19

申请人： Pengju Kang ,  Frederick James Cogswell

发明人： Pengju Kang ,  Frederick James Cogswell

IPC分类号： F02G1/00

CPC分类号： F01K23/101 ,  F01K25/08 ,  F02C6/18

摘要： In a waste heat recovery system having a superheat controller, a reference superheat controller operating trajectory is established and compared with operational superheat controller trajectories from time to time and measuring the deviation therebetween to determine whether a low charge condition exists. If such a condition does exist, warning steps and possibly shut down steps can be taken. As a verification of a low charge condition, the absence or presence of oscillations in the pressure and/or pump power conditions can be observed.

摘要翻译： 在具有过热控制器的废热回收系统中，建立参考过热控制器操作轨迹，并与操作过热控制器轨迹不时地进行比较并测量它们之间的偏差，以确定是否存在低充电条件。 如果存在这种情况，可以采取警告步骤和可能的关闭步骤。 作为低充电条件的验证，可以观察到在压力和/或泵功率条件下不存在或存在振荡。