| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 415047000 | Temperature or fluid force responsive member | 31 |
| 20080310949 | Casing and Gas Turbine | 12-18-2008 |
| 20090104016 | Control Circuit and Fan Comprising the Same - A control circuit and a fan comprising the same are provided. The fan comprises a plurality of windings. The control circuit comprises a temperature sensing module and an adjusting module. The temperature sensing module is configured to sense an environmental temperature to generate a temperature signal. The adjusting module is coupled to the windings and is configured to change a connection between the windings in response to the temperature signal to adjust an impedance value of the fan, wherein the fan is a fan, the adjusting module adjusts the impedance value of the fan in response to the temperature signal to change a rotational speed of the fan. | 04-23-2009 |
| 20090110540 | VARIABLE SPEED OPERATING SYSTEM AND METHOD OF OPERATION FOR WIND TURBINES - A wind turbine system is provided for geographic regions having multiple soil layers, such as permafrost. The wind turbine includes a plurality of blades mounted to a nacelle on top of a tower. The tower is supported by a foundation that extends through or into the multiple soil layers. The wind turbine monitors the condition of a top layer of soil and calculates a natural frequency for the wind turbine system based on the changes to the layer of soil. Changes in operation of the wind turbine are made in response to changes in the natural frequency of the wind turbine system. | 04-30-2009 |
| 20100054911 | SYSTEM AND METHOD FOR ADJUSTING CLEARANCE IN A GAS TURBINE - A system for adjusting a clearance in a gas turbine including a turbine rotor and a plurality of buckets is disclosed. The system includes: a shroud assembly including at least one shroud segment, the at least one shroud segment being disposed in an interior of a turbine shell; and an elongated member extending from the turbine shell. The at least one shroud segment is attached to an end of the elongated member, the elongated member configured to move in response to a temperature change to move the shroud segment and change a clearance between the shroud segment and at least one of the plurality of buckets. | 03-04-2010 |
| 20100054912 | DEVICE, SYSTEM AND METHOD FOR THERMALLY ACTIVATED DISPLACEMENT - An actuating device includes: at least one first elongated member having a first coefficient of thermal expansion (CTE); and at least one second elongated member having a second CTE different from the first CTE, the second elongated member being nested within the first elongated member, the device being configured to displace a portion of the device a selected distance along a major axis of the device based on a relationship between the first CTE and the second CTE in response to a change in temperature. | 03-04-2010 |
| 20100080685 | Method and Apparatus for Gas Turbine Engine Temperature Management - A cooling system for a turbine engine, as well as a methodology for controlling the cooling system, is described. A valve member is disposed between a cooling fluid passage and a wheel space of the turbine engine and operates to admit cooling fluid to the wheel space for cooling thereof. The valve assembly is responsive to a condition in the wheel space and varies the flow of additional cooling fluid to the wheel space based on that condition. | 04-01-2010 |
| 20100111668 | Ultra high power density wind turbine system - An ultra-high power density wind turbine system for producing energy from a wind including a structure having a shape adapted to produce a positive wind pressure on a high-pressure portion of a surface that faces into the wind and to produce a vacuum on two low pressure portions of its surface and one or more shrouded wind turbine systems mounted in the structure and comprising turbine stator vanes, turbine rotor blades and a turbine discharge duct adapted to channel turbine exhaust to exit the structure at the two low-pressure portions of the structure surface. In preferred embodiments the structure is a vertical tower that is generally cylindrical and the turbine is a horizontal axis axial flow shrouded wind turbine. | 05-06-2010 |
| 20100119356 | DEVICE FOR REGULATING THE FLOW RATE OF AIR FEEDING A TURBINE VENTILATION CAVITY OF A TURBOMACHINE TURBINE SECTION - The invention relates to a device for regulating the flow rate of air feeding a turbine ventilation cavity of a turbomachine turbine section, the device comprising at least one tubular duct opening into a take-off cavity and leading into a turbine ventilation cavity, the pressure inside the take-off cavity being higher than the pressure inside the turbine ventilation cavity, an air flow rate regulation valve disposed in the tubular duct, the valve being suitable for moving under the effect of the pressure difference between the take-off cavity and the turbine ventilation cavity, and mechanical return means for holding the valve in a maximum closure position for the duct so long as the pressure difference between the take-off cavity and the turbine ventilation cavity remains below a predetermined threshold pressure. | 05-13-2010 |
| 20100290889 | TURBINE WHEELSPACE TEMPERATURE CONTROL - Apparatus for controlling an amount of cooling air provided to a wheelspace of a turbine section of a gas turbine includes a sensor that senses a temperature of the wheelspace and provides a sensed temperature signal. The apparatus also includes a processor, responsive to the sensed temperature signal, that determines if the temperature of the wheelspace exceeds a desired value. If the temperature of the wheelspace exceeds the desired value, the processor activates an actuator control signal to control movement of a cooling air control valve to allow a greater amount of cooling air sourced from a compressor section of the gas turbine or from a cooling air cooler which receives air from the compressor section of the gas turbine to flow to the wheelspace, thereby cooling the temperature of the wheelspace. | 11-18-2010 |
| 20100296914 | STALL AND SURGE DETECTION SYSTEM AND METHOD - A system includes a compressor and a control system. The control system includes a processor and associated memory. The control system is configured to receive feedback comprising a thermodynamic characteristic or a mechanical characteristic of the compressor. Also, the control system is configured to generate an indication of a surge event or a stall event in the compressor based on the feedback. | 11-25-2010 |
| 20100296915 | INFORMATION HANDLING APPARATUS, CONTROL APPARATUS, AND INSTALLATION - An information handling apparatus includes a chassis installed a plurality of electric parts of the information handling apparatus, having a pair of openings on opposite sides for allowing an incoming and outgoing air flow for cooling down an inside of the information handling apparatus, a pair of temperature detectors for detecting temperature at each of the openings, a fan installed in the housing for generating airflow between the openings, the fan being capable of reversibly switching airflow direction, and a controller for performing switching of the air flow direction by the fan so that the fan generates the airflow from one of the openings at which a detected with lower temperature is detected as compared with the other of the openings. | 11-25-2010 |
| 20120076637 | VARIABLE FLOW RATE PUMP - A water pump ( | 03-29-2012 |
| 20120171012 | FAN MODULE - A fan module includes a fan, a temperature sensor, and a shield. The temperature sensor includes a cable. The shield is mounted on the fan. The shield includes a clip. The clip includes two elastic pieces. A restricting slot and a receiving space are located between the two elastic pieces. The cable has an outer diameter which is wider than the restricting slot but narrower than the receiving space. The two elastic pieces can be elastically deformed to expand the restricting slot so that the cable can be placed in the receiving channel via the restricting slot. | 07-05-2012 |
| 20130294887 | GAS TURBINE AIR PROCESSING SYSTEM - Various systems for processing air are disclosed. In one embodiment, an air processing system includes: an inlet manifold adapted to receive compressor discharge air from multiple turbine compressors; an air processing system fluidly connected with the inlet manifold, the air processing system adapted to process the compressor discharge air to provide a processed working fluid; an outlet manifold adapted to provide the processed working fluid to multiple turbine inlet filtration system; and a control system operably connected to the inlet manifold, the air processing system and the outlet manifold, the control system configured to control flow of the compressor discharge air from the multiple turbine compressors to the inlet manifold. | 11-07-2013 |
| 20130294888 | MOTOR - A motor is provided which can detect a rotor temperature with high precision with a simple configuration not taking an influence on a temperature caused by circulation of a cooling oil into account. In a motor including a rotor, a stator arranged around the rotor, and a temperature sensor, the rotor includes an oil reservoir unit that reserves an oil on a rotating shaft line in an interior thereof, and the temperature sensor detects a temperature of the oil reserved in the oil reservoir unit. | 11-07-2013 |
| 20140023480 | RADIAL POSITION CONTROL OF CASE SUPPORTED STRUCTURE - A radial position control assembly for a gas turbine engine stage includes a case structure. A supported structure is operatively supported by the case structure. The supported structure includes a hook providing an annular recess. A support ring is received in the recess. The supported structure and the support ring have different coefficients of thermal expansion. A sealing structure is adjacent to the supported structure. The support ring maintains the supported structure relative to the sealing structure at a clearance during thermal transients based upon a circumferential gap between adjacent supported structure and based upon a radial gap between the support ring and the supported structure. | 01-23-2014 |
| 20150086328 | TURBO-MOLECULAR PUMP - A turbo-molecular pump comprises: a rotor having a plurality of stages of rotor blades and a cylindrical section; a plurality of stages of stationary blades alternately arranged with respect to the rotor blades; a stator arranged with a gap from the cylindrical section, the stator together with the cylindrical section constituting a screw groove pump section; a plurality of spacers stacked on a base, the spacers including at least one cooling spacer having a cooling section; a heater heating the stator; a temperature regulation section controlling the heater to regulate the temperature of the stator so as to be a reaction product accumulation prevention temperature; and an auxiliary ring for reaction product accumulation prevention at least a part of which is located in a space between the spacer facing a bottom step rotor blade, and the bottom step rotor blade. | 03-26-2015 |
| 20150330393 | METHOD OF EVALUATING AN OPERATING STATE OF A FLOW MACHINE AS WELL AS FLOW MACHINE - A method of evaluating an operating state of a flow machine includes measuring, in the operating state of the flow machine, a first force component of a bearing force acting on a rotor axle along a first direction using a first force sensor, the first direction lying perpendicularly to the axial direction, measuring a second force component of the bearing force in a second direction using a second force sensor, the second direction lying perpendicularly to the axial direction and being simultaneously perpendicular to the first direction, a resulting force being formed from the first force component and the second force component, preparing a frequency spectrum of the resulting force using a frequency analysis, comparing the frequency spectrum with a reference spectrum, and evaluating an operating state at a predefined operating state of the flow machine. | 11-19-2015 |
| 415048000 | For adjustment of runner, shaft, vane or blade | 10 |
| 20080240902 | METHOD AND SYSTEM FOR RUB DETECTION IN A STEAM TURBINE - A method for detecting rubbing between components in a steam turbine, the method includes: sensing a temperature at a plurality of locations on a casing of the steam turbine; comparing the sensed temperatures of the plurality of locations; detecting the rubbing between the components if one of the plurality of locations has a higher sensed temperature than the sensed temperature at the other plurality of locations, and reporting the rub as being at a location near the one of the plurality of locations having the higher sensed temperature. | 10-02-2008 |
| 20090060707 | COMPRESSOR INLET GUIDE VANE DE-ICE CONTROL SYSTEM AND METHOD - A system and method are provided for effectively removing ice that may have formed on gas turbine engine compressor inlet guide vanes and/or preventing, or at least inhibiting, reformation of ice on gas turbine engine compressor inlet guide vanes after the ice has been removed. A determination is made as to whether actual inlet guide vane position differs from the commanded inlet guide vane position by a predetermined amount. If so, then the inlet guide vanes are repeatedly commanded to move in at least two predetermined directions to remove ice that may have formed on the inlet guide vanes. | 03-05-2009 |
| 20090097962 | COMPRESSOR INLET GUIDE VANE FLOW BASED ANTI-ICE FORMATION CONTROL SYSTEM AND METHOD - A system and method are provided for effectively removing ice that may have formed on gas turbine engine compressor inlet guide vanes and/or preventing, or at least inhibiting, reformation of ice on gas turbine engine compressor inlet guide vanes after the ice has been removed. A determination is made as to whether flow through the compressor is below a predetermined flow value. If the flow through the compressor is below the predetermined flow value, then the inlet guide vanes are repeatedly moved between at least two predetermined positions to remove ice and/or prevent, or at least inhibit, reformation of ice on the inlet guide vanes. | 04-16-2009 |
| 20100104416 | THERMALLY-ACTIVATED CLEARANCE REDUCTION FOR A STEAM TURBINE - A thermally-activated flow clearance reduction for a steam turbine is disclosed. In one embodiment a gap closure component is located about a rotary component and a stationary component of the steam turbine. A temperature differential activates the gap closure component to seal or reduce the radial clearance of the steam flow path between the rotary component and the stationary component. | 04-29-2010 |
| 20100111669 | Variable phase turbine apparatus - Variable phase turbine apparatus comprising, in combination a rotatably driven load structure, defining an axis, confinement means forming a fluid flow passage extending generally axially and adjacent said load structure, a turbine operatively connected to said load structure, to transmit rotary drive thereto, two-phase flow nozzle means receiving pressurized flow via said passage, and directing flow of fluid from said passage, expanded in the nozzle means, at the turbine to rotate the turbine, the nozzle means configured to expand flow consisting of two or more of the following phases:
| 05-06-2010 |
| 20110058930 | MOTOR/PUMP WITH SPIRAL WOUND STATOR TUBE - A pump/motor includes a stator ( | 03-10-2011 |
| 20120269613 | Independently-Controlled Gas Turbine Inlet Guide Vanes and Variable Stator Vanes - A system adjusts positions of gas turbine inlet guide vanes (IGVs) and variable stator vanes (VSVs). The system includes a hydraulic power unit providing a supply of hydraulic fluid, an IGV servo in fluid communication with the hydraulic power unit, and a VSV servo in fluid communication with the hydraulic power unit. An IGV cylinder set is provided in fluid communication with the hydraulic power unit via the IGV servo and is connected to the IGVs. The IGV cylinder set effects displacement of the IGVs between a closed position and a fully open position. A VSV cylinder set is provided in fluid communication with the hydraulic power unit via the VSV servo. The VSVs include multiple stages linked together with a torque shaft. The VSV cylinder set is connected to the torque shaft, and the VSV cylinder set effects simultaneous displacement of the stages of the VSVs between a closed position and a fully open position. The IGV servo and the VSV servo respectively control delivery of hydraulic fluid from the hydraulic power unit to the IGV cylinder set and the VSV cylinder set, and the IGV servo and the VSV servo are independently controllable. | 10-25-2012 |
| 20150063979 | FAN FRAME HAVING TEMPERTURE DETECTING ELEMENT AND FAN HAVING TEMPERTURE DETECTING ELEMENT - A fan frame and a fan having temperature detecting element are provided. The fan frame includes a body and a circuit board. The body includes an inlet. The circuit board is installed around the inlet of the body. The temperature detecting element traverses the inlet. The first wire electrically connects the first contact end and the first external contact terminal. The second wire electrically connects the second contact end and the second external contact terminal. At least one of the first wire and the second wire includes a plurality of bending sections. By utilizing the bending sections of the first wire or the second wire, the length of the first wire or the second wire can be increased. Therefore, the influence in the temperature detecting element caused by the circuit board can be lowered and the error of the detecting temperature can be decreased. | 03-05-2015 |
| 20150330407 | TURBOMACHINE HAVING A TEMPERATURE-CONTROLLED COVER - A turbomachine, comprising a lower housing part, an assembly inserted into the lower housing part from above, comprising two opposite housing covers and a rotor having a shaft, the rotor being fed through both housing covers, and an upper housing part that encloses the assembly from above and is fastened to the lower housing part, is provided. A shaft seal is arranged between the cover and the shaft. To maintain good function of the shaft seal during operation using cold or hot gases, at least one of the covers has a temperature-control means guided around the shaft, having a first and a second temperature-control channel, for controlling the temperature of the lid in the area around the shaft. | 11-19-2015 |
| 20160186597 | TURBINE COOLING APPARATUS - A turbine cooling apparatus of an embodiment includes a cooling air supply unit and a control unit The control unit controls an operation of the cooling air supply unit during a turning operation. Here, the control unit controls the operation of the cooling air supply unit to make the cooling air supply unit supply the cooling air at a previously determined flow rate. Thereafter, the control unit controls the operation of the cooling air supply unit based on at least either of a result obtained by measuring differential expansion between a turbine rotor and a turbine casing, and a result obtained by measuring a temperature difference between an inner peripheral surface of a steam chamber positioned at an entrance of a steam flow path through which steam flows in the turbine casing and an outer peripheral surface of the steam chamber. | 06-30-2016 |
| 415049000 | Fluid force responsive member controls working fluid | 3 |
| 20090297334 | GAS TURBINE ENGINE HAVING CONTROLLABLE INLET GUIDE VANES - An inlet guide vane assembly includes an active control feedback system and a plurality of inlet guide vanes. The inlet guide vanes are variable between a plurality of positions. Each of the plurality of inlet guide vanes is positioned in response to an output of the activate control feedback system. | 12-03-2009 |
| 20130039741 | COMPRESSION APPARATUS - This invention provides a compression apparatus capable of flexibly responding to a change in service condition. The compression apparatus comprises a compressor main body for housing rotatively driven rotors, an intake channel connected to an intake port of the compressor main body and equipped with a suction adjusting valve, a discharge channel connected to a discharge port of the compressor main body and equipped with a discharge pressure sensor, a revolution speed setting unit for causing a rotor to have a revolution speed that matches a set number of revolutions, a valve controlling unit for controlling the suction adjusting valve based on a discharge pressure detected by the discharge pressure sensor in such a manner that a pressure of the discharge channel is maintained at a set pressure, and a controller for defining the set number of revolutions and the set pressure based on a condition selected by a user. | 02-14-2013 |
| 20130170952 | METHOD AND APPARATUS FOR COMPOSITION BASED COMPRESSOR CONTROL AND PERFORMANCE MONITORING - A method and apparatus controls a compressor, where the compressor inlet gas may contain water and/or non-aqueous liquid. The method includes the steps of measuring temperature at the compressor inlet and/or outlet side, measuring pressure at the compressor inlet and outlet side in order to determine a compressor pressure ratio, measuring fluid mixture density at the compressor inlet and/or outlet side, measuring individual volume fractions of gas, water and non-aqueous liquid at the compressor inlet and/or outlet side, measuring fluid velocity at the compressor inlet and/or outlet side, and determining individual flow rates of gas, water and non-aqueous liquid on the basis of the measured individual volume fractions of gas, water and non aqueous liquid and the fluid velocity at the compressor inlet and/or outlet side. | 07-04-2013 |
