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| Number | Title | Issue Date |
| 8186160 | Thermal engine for operation with combustible and noncombustible fuels and electric energy A thermal engine includes a cylinder and piston and an insulated thermal battery including at least a thermal mass such as the engine block itself for storing and retaining heat to enhance or cause fluid expansion within the cylinder and drive the piston, the therma... | 05/29/2012 |
| 8028526 | Geared boiler feed pump drive A geared fluid drive arrangement in which a constant speed motor is used to start a “full-size” boiler feed pump, and is able to operate the pump at a limited speed and correspondingly limited power adequate to fill, pressurize and feed water to a boiler such as... | 10/04/2011 |
| 7987675 | Provision for rapid warming of steam piping of a power plant A steam power plant, in which steam from a steam generator is received by a steam turbine, is provided and includes a conduit, a main steam control valve (MSCV) disposed along the conduit to admit the steam to the steam turbine when a characteristic thereof satisfie... | 08/02/2011 |
| 7918091 | Systems and methods for controlling humidity Systems and methods for controlling humidity of a working fluid used to provided climate control of a mission critical application are provided. Such control may be accomplished by using a humidification system in connection with a CAS or TACAS system. The humidific... | 04/05/2011 |
| 7870734 | Steam driven turbine generator system A system for generating electricity from steam power, which includes a steam source communicated with a steam load, the steam load requiring steam at a load pressure lower than the steam source; a pressure reduction valve communicated between the steam source and th... | 01/18/2011 |
| 7870733 | Fluid machine for rankine cycle It is an object to provide a fluid machine, which is simple in structure and in which lubricating oil containing smaller amount of the working fluid is supplied to sliding portions of an expansion device. The fluid machine has the expansion device for generating a d... | 01/18/2011 |
| 7805941 | Method for starting a steam turbine installation The invention relates to a method for starting a steam turbine installation which comprises at least one steam turbine and at least one steam-generating installation for generating steam for driving the steam turbines, the steam turbine installation having at least ... | 10/05/2010 |
| 7775046 | Method and apparatus for augmented heat up of a unit A system and a method of augmenting the heat up of a unit using a compressed, heated gas that contains moisture such as steam or vaporized water such that the specific heat of the gas is increased. In a preferred embodiment, steam in compressed inert gas such as nit... | 08/17/2010 |
| 7765807 | Method for warming-up a steam turbine The invention relates to a method for heating a steam turbine comprising a high-pressure turbine section and a medium-pressure turbine section and/or a low-pressure turbine section. Said method is characterized by the essential aspect that the high-pressure turbine ... | 08/03/2010 |
| 7681395 | Systems and methods for providing backup energy to a load Backup energy systems utilizing compressed air storage (CAS) systems and bridging energy systems to supply backup power to a load are provided. During a power failure, the bridging energy system provides backup power to the load at least until the CAS system begins ... | 03/23/2010 |
| 7669419 | Electrical power supply system A system for generating back-up electrical power. The system includes a vessel adapted to contain a volume of compressed gas and a valve to release gas from the vessel at a predetermined pressure. A scroll expander is adapted to receive and pass the released gas. A ... | 03/02/2010 |
| 7640748 | System and method of cooling steam turbines A system and method of cooling a steam turbine having internal moving components to a predetermined temperature by controlling a flow of nitrogen through the turbine, thus decreasing the downtime associated with maintaining the turbine. This provides a more efficien... | 01/05/2010 |
| 7487640 | Method and device for removing water from a steam plant The invention relates to a method and device for removing water from a steam plant and to a steam plant with which, according to the degree of impurity of a number of partial volumes of water, a separate collection of the relevant partial water volumes is carried ou... | 02/10/2009 |
| 7464551 | Method for operation of a power generation plant A storage power station (S), for example an air storage plant, that includes a compressor unit (V), a turbine unit (T) and a storage volume (100) can be operated using a specific method of operation, which allows as fast a reaction as possible to changes in t... | 12/16/2008 |
| 7421853 | Enhanced manual start/stop sequencing controls for a stream turbine powered chiller unit A control system and method for interactive startup and shutdown of a steam turbine driven chiller unit is provided. The chiller unit includes an integrated central control panel to control operation of both the steam turbine system and the refrigerant system. The c... | 09/09/2008 |
| 7421854 | Automatic start/stop sequencing controls for a steam turbine powered chiller unit A control system and method are provided for the automatic startup and shutdown of a steam turbine driven chiller unit. The chiller unit includes an integrated central control panel to control operation of both the steam turbine system and the refrigerant system. Th... | 09/09/2008 |
| 7367177 | Combined cycle power plant with auxiliary air-cooled condenser A combined cycle power plant (20) including a main air-cooled condenser (22) condensing steam at a first pressure and an auxiliary air-cooled condenser (24) condensing steam at a second pressure higher than the first pressure. Designing an air-c... | 05/06/2008 |
| 7358620 | Methods and apparatus for ride-through operation of a complementary device to a transient power source In accordance with certain exemplary embodiments, the present technique provides methods and apparatus for providing operating power to a complementary device to an induction device based uninterruptible power source (UPS) via a direct current (dc) bus. In one embod... | 04/15/2008 |
| 7353653 | Hybrid power system for continuous reliable power at locations including remote locations The present inventive subject matter is drawn to a hybrid ultra reliable power generating system for supplying continuous reliable power at remote locations comprising: a primary power unit producing electric power that is supplied to a load. Also a secondary power ... | 04/08/2008 |
| 7343744 | Method and system for controlling a reheat turbine-generator A method for controlling a turbine-generator including: detecting a power-load unbalance between a turbine and a generator; measuring the duration of a power-load unbalance; measuring the rate of loss of an electrical load; and regulating steam flow through the turb... | 03/18/2008 |
| 7331181 | Reheating steam temperature control A heat control system of reheating steam of a power plant, in which method the reheating steam (S3) is superheated in a reheater in a first reheating stage and a second reheating stage. The steam (S6) superheated in the first reheating stage is directe... | 02/19/2008 |
| 7322270 | Safety circuit for media-operated consumers and process for its operation A safety circuit for media-operated consumers, such as steam turbines or gas turbines, includes at least one first solenoid valve (1.1) which acts on a fluid circuit. An actuating device (9) can be connected to the fluid circuit, and acts at the same t... | 01/29/2008 |
| 7317265 | Method and apparatus for power management A system in accordance with the invention includes a power converter for converting a thermally generated voltage where the power converter includes a low-voltage direct current to direct current voltage converter (DC-DC converter) and a high-efficiency DC-DC conver... | 01/08/2008 |
| 7314104 | Steam driven road vehicle A steam driven road vehicle having a firebox, a boiler, a drive mechanism operated by steam from the boiler, a water supply supplying water to the boiler, and a drive connection connected between the drive mechanism and an axle of the vehicle. A fuel bin is supporte... | 01/01/2008 |
| 7310948 | De-icer for suspended overhead lines A self-contained, line-mounted, automatic device for reducing and preventing ice deposits on a suspended line, such as a suspended overhead power line. ... | 12/25/2007 |
| 7295899 | Method and controller for setting a control element and a use of said controller For setting the position of a control element, a controller and method according to the invention provide for impressing a required temporal characteristic of the actuating signal onto a should-be value then using said should-be value as a time-variable signal for f... | 11/13/2007 |
| 7288921 | Method and apparatus for providing economic analysis of power generation and distribution An economic dispatch program optimally allocates load demand specifying real power and reactive power to be generated by a power plant among various power generators in a manner so that each of the power generators are operated within its optimal operating space as ... | 10/30/2007 |
| 7245035 | Modular energy-generating system The system comprises a main combined generating module which can be supplied with a flow of a fuel and which can generate electrical energy and thermal energy in the form of a flow of at least a first hot fluid, preferably water. The main module has an electrical ou... | 07/17/2007 |
| 7237386 | Process for controlling the cooling air mass flow of a gas turbine set A process is provided for the control of the amount of cooling air of a gas turbine set. Suitable means are provided in the cooling system to enable the amount of cooling air to be varied. The control of this means takes place in dependence on an operating parameter... | 07/03/2007 |
| 7207768 | Warning system for turbine component contact Aspects of the invention related to a system for providing advance notice of impending contact between a stationary component and a rotating component in a turbine engine. For example, the system can be used to warn of potential contact between a seal holder and a r... | 04/24/2007 |
| 7206644 | Method and system for optimizing operation schedule of plant A plant-operation-schedule optimization system includes a data inputting device transmitting a future operation planned value of at least one plant to be controlled; an operation-data inputting device transmitting operation data concerning the plant; and an operatio... | 04/17/2007 |
| 7200996 | Startup and control methods for an ORC bottoming plant 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 p... | 04/10/2007 |
| 7203554 | Model predictive controller with life extending control An MPC Control system provides a life extending control that includes life-extending goals in the performance index of the MPC controller and limits in the inequality equations. The MPC controller performs the normal functions of a control system for a physical syst... | 04/10/2007 |
| 7174715 | Hot to cold steam transformer for turbine systems A steam transformer (200) receives steam through a steam inlet (203), and the steam is mixed in a mixing zone (231) with water entering through a water inlet (205). Steam cooled by contact with the water exits the steam transformer throug... | 02/13/2007 |
| 7141894 | Apparatus for providing high quality power The system disclosed herein is primarily utilized in the 23–48 volt DC telco, data center and industrial production industry. It will effectively replace today's requirement of purchasing, installing, maintaining and replacing chemical storage batteries. The solut... | 11/28/2006 |
| 7137407 | Trip manifold A trip manifold assembly is disclosed which includes a manifold body connected to a header shaft. The header shaft passes through a plurality of rotary valves. Each rotary valve is connected to a pressure transmitter. The header shaft comprises two passages includin... | 11/21/2006 |
| 7127895 | Systems and methods for providing backup energy to a load Backup energy systems utilizing compressed air storage (CAS) systems and bridging energy systems to supply backup power to a load are provided. During a power failure, the bridging energy system provides backup power to the load at least until the CAS system begins ... | 10/31/2006 |
| 7098548 | Power system for a telecommunication facility Disclosed is a method of supplying DC power to equipment using proton exchange membranes (PEMs). PEMs run on hydrogen to produce DC electrical power. In the disclosed embodiment these PEMs are used as an alternative source of power to AC sources. One of these other ... | 08/29/2006 |
| 7090393 | Using thermal imaging to prevent loss of steam turbine efficiency by detecting and correcting inadequate insulation at turbine startup The invention involves the use of thermal imaging equipment to take infrared images of a steam turbine during start-up. The exterior temperatures developed from the infrared images are correlated with turbine vibration data to determine which insulation temperature ... | 08/15/2006 |
| 7073335 | Gas storage power station The present invention relates to a gas storage power station (1) having a turbine group (3) and a compressor group (4). The turbine group (3) has at least one turbine (5, 6) and a generator (10). During normal operation of t... | 07/11/2006 |
