Method Of Operation Patents (Class 415/1)
  • Patent number: 10267170
    Abstract: A turbine stator vane assembly comprises a plurality of circumferentially arranged struts and a plurality of circumferentially arranged stator vanes. Each stator vane has a leading edge, a trailing edge and a chord length. Each strut has a leading edge, a trailing edge, a chord length, a pressure surface and a suction surface. The chord length of the struts is greater than the chord length of the stator vanes. The stator vanes are arranged in groups between adjacent pairs of struts and each group of stator vanes comprises a plurality of stator vanes. The circumferential spacing between adjacent struts is substantially the same and each stator vane in a group of stator vanes has a different chord length to the other stator vanes in that group of stator vanes.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: April 23, 2019
    Assignee: ROLLS-ROYCE plc
    Inventors: Christopher J. Clark, Graham Pullan
  • Patent number: 10260505
    Abstract: A pump for delivering fluid has a pump housing and a pump chamber having a pump chamber cover and a pump chamber base in said pump housing, an inlet and an outlet. In the pump chamber, an impeller rotates on a rotor shaft which is connected to a drive motor. The inlet is arranged in the pump chamber cover and the outlet is arranged below the impeller in the axial direction of the pump at that end region of the pump chamber which is remote from the inlet close to the outlet. The distance from the inlet to the outlet with the impeller therebetween can correspond approximately to the diameter of the pump chamber.
    Type: Grant
    Filed: February 17, 2014
    Date of Patent: April 16, 2019
    Assignee: E.G.O. ELEKTRO-GERÄTEBAU GMBH
    Inventors: Volker Block, Uwe Kögel, Stefanie Roth, Tobias Albert
  • Patent number: 10260514
    Abstract: A compressor control system includes a compressor compressing a fluid, an anti-surge valve preventing backflow in the compressor, the anti-surge valve being arranged on a line connecting an inlet and an outlet of the compressor and operated by a first signal, an inlet guide vane controlling an opening area of the inlet, the inlet guide vane being arranged at the inlet and operated by a second signal, and a controller connected to the anti-surge valve and the inlet guide vane and generating the first signal to control the anti-surge valve, a vane control signal to control the inlet guide vane, a pressure compensation signal to control the inlet guide vane to compensate for a change in pressure at the outlet of the compressor according to the first signal, and the second signal by combining the pressure compensation signal with the vane control signal.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: April 16, 2019
    Assignees: HANWHA POWER SYSTEMS CO., LTD, HANWHA AEROSPACE CO., LTD
    Inventor: Do Hyung Kim
  • Patent number: 10254719
    Abstract: A method and apparatus for surge prevention control for multistage compressors with at least two stages, at least one flow measuring device, and one overall surge recycle valve is disclosed. Furthermore, a method of accurate calculation of surge limit line for overall multistage compressor using one available flow measuring device is also disclosed. The method of surge prevention calculates multistage compressor's surge limit line as a product of individual stages surge limit lines that differs from those revealed in the prior art. This method allows accurate calculation of the distance of operating point to surge limit line that takes in account surge lines of all stages and allows reliable surge prevention control.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: April 9, 2019
    Assignee: Statistics & Control, Inc.
    Inventors: Vadim Shapiro, Andriy Nyemchyn, Alex Komm
  • Patent number: 10247450
    Abstract: A device and a method for converting low temperature thermal energy into high temperature thermal energy using mechanical energy with a rotor for a working medium passing through a closed cycle. The rotor has a compressor unit with compression channels and an expansion unit with expansion channels, and has heat exchangers for exchanging heat between the working medium and a heat exchange medium. The device has an impeller which can be rotated relative to the rotor. The impeller is arranged between supply channels which conduct the flow of the working medium in the heat pump and at least one rotor discharge channel which discharges the flow of the working medium in the heat pump. The supply channels have outlet sections which extend up to a point directly upstream of an inlet opening of the impeller such that flows of the working medium are conducted out of the supply channels.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: April 2, 2019
    Assignee: ECOP TECHNOLOGIES GMBH
    Inventor: Bernhard Adler
  • Patent number: 10233895
    Abstract: A stepwise operating parallel-type hydro power generation system having a fixed flow path includes a parallel pipe, a first power generation facility, a second power facility generation facility, first and second flow regulators, and a controller. The parallel pipe includes an inlet pipe, an outlet pipe, and a first straight pipe and a second straight pipe. The first and second straight pipes connected between the inlet pipe and the outlet pipe. Each of the first and second power generation facilities includes a water turbine rotating with the water introduced thereinto and a power generator operating according to the rotation of the water turbine. The controller is configured to open and close either or both of the first and second flow rate regulators at the same time.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: March 19, 2019
    Assignee: KEUNNAMU CO., LTD.
    Inventor: Ok Kyu Yeo
  • Patent number: 10227930
    Abstract: A compressor assembly for a turbomachine includes a compressor wall including circumferentially spaced stator vanes defining at least one row of stator vanes. The at least one row of stator vanes defines at least one stator passage therein. Each stator vane includes a leading edge, an opposite trailing edge defining an axial chord distance, and a pressure side. The compressor assembly also includes, at least one bleed opening defined within the compressor wall and disposed adjacent the pressure side in the at least one stator passage within a range from approximately 20% the axial chord distance upstream of the leading edge to approximately 20% the axial chord distance downstream of the trailing edge. The compressor assembly further includes at least one bleed arm extending from the at least one bleed opening with at least a portion of compressor airflow extractable through the at least one bleed arm.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: March 12, 2019
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Swati Saxena, Ajay Keshava Rao, Rudolf Konrad Selmeier, Grover Andrew Bennett, Giridhar Jothiprasad, Corey Bourassa, Byron Andrew Pritchard
  • Patent number: 10227991
    Abstract: A gas turbine engine includes a rotor hub which includes a substantially axially extending projection and a substantially radially extending projection. A seal ring includes a body portion and at least one knife edge that extends outward from the body portion. A recess is in the body portion for accepting the axially extending portion of the rotor hub. The seal ring includes at least one cooling passage that extends through the seal ring. A lock ring is in abutting contact with the seal ring and the radially extending projection on the rotor hub for securing the seal ring to the rotor hub.
    Type: Grant
    Filed: January 8, 2016
    Date of Patent: March 12, 2019
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventor: John E. Wilber
  • Patent number: 10215058
    Abstract: Discloses is a turbine power generation system having an emergency operation means and an emergency operation method therefor that are capable of controlling excess heat accumulated during emergency operation, and recycling the accumulated heat. A turbine power generation system includes: an inlet sensor part including a thermometer, a pressure gauge, and a flowmeter that are installed between the heater and the inlet valve and; an emergency discharge part including a branch pipe connected to the steam, and a heat control means installed on the branch pipe. Accordingly, the system and the method are capable of reducing a heat overload during an emergency operation by transferring a heat amount exchanged in the heat storage device to the heat consuming facility, minimizing thermal consumption by recycling the same, and preventing various problems caused by stopping an operation of the turbine power generation system.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: February 26, 2019
    Assignee: POSCO ENERGY CO., LTD.
    Inventors: Sung Keun Oh, Jea Jun Lee, Ju Chang Lim, Sang Hoon Lee, Sang Myeong Lee, Ki Tae Kim, Yong Sik Hah, Chul Kyu Kim
  • Patent number: 10215184
    Abstract: The disclosure includes controlling a pressure ratio for a compressing system, comprising introducing a quantity of liquid into an input stream to create a multiphase input stream, compressing the multiphase input stream with a centrifugal compressor to create a discharge stream, measuring a parameter of the discharge stream, wherein the discharge parameter corresponds to a pressure ratio for the centrifugal compressor, when the parameter exceeds a first predetermined point, increasing a pressure ratio of the centrifugal compressor by increasing the quantity of liquid introduced, and when the parameter exceeds a second predetermined point, decreasing the pressure ratio by decreasing the quantity of liquid introduced.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: February 26, 2019
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Michael T. Matheidas, Stanley O. Uptigrove
  • Patent number: 10208600
    Abstract: A radial turbine includes a housing, a rotor mounted on a shaft, an inlet channel for supplying a defined working medium, and an outlet channel. The rotor includes working cavities, with a generally spiral shape, which conduct the defined working medium from the inlet channel to the outlet channel, located near the center of the rotor. The working cavities have a generally rectangular cross-section, with a width (W), parallel to an axis of rotation of the rotor, and a height (H), parallel to a radius of the rotor. The width (W) is greater than the height (H), and the height (H) is not greater than six times a thickness of a boundary layer of the defined working medium.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: February 19, 2019
    Inventor: Piotr Jeute
  • Patent number: 10202858
    Abstract: A turbine engine assembly and methods involving a turbine engine assembly are provided. In one method, the turbine engine assembly is received. The turbine engine assembly includes an annular stator vane structure disposed at a first orientation. The stator vane structure is reconfigured with the turbine engine assembly to be disposed at a second orientation.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: February 12, 2019
    Assignee: United Technologies Corporation
    Inventors: John E. Wilber, Kirk S. Hunte, Matthew R. King
  • Patent number: 10202980
    Abstract: There is provided a centrifugal compressor apparatus including a centrifugal compressor that centrifugally compresses a gas, an electric motor that rotatably drives the centrifugal compressor, a current detector that detects a drive current I of the electric motor, and an exhaust valve that discharges a compressed gas to a lower pressure section. The centrifugal compressor apparatus (A) detects the drive current I at a sampling cycle ts, (B) updates, as a current threshold, in real time, a value “(moving average)?n×(standard deviation)” for which a plurality of drive currents measured in a sampling period tp serves as a population, where n is a positive number in the range of 3 to 4 and, (C) determines that surging has occurred when the exhaust valve is closed and the drive current I is below the current threshold X, and (D) further opens the exhaust valve to discharge the compressed gas when determining that surging has occurred.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: February 12, 2019
    Assignee: IHI Rotating Machinery Engineering Co., Ltd.
    Inventors: Tsuneo Koki, Naoki Nishiyama, Yuji Echizen, Takashi Oyabu, Tomonori Seki, Masashi Moriguchi
  • Patent number: 10174765
    Abstract: An outlet housing for an aircraft cabin air compressor includes a volute comprising radially inner and outer portions, and having first, second, third, and fourth circumferential regions. The first circumferential region is between the fourth and second circumferential region. The second circumferential region is between the first circumferential region and the third circumferential region. The third circumferential region is between the second circumferential region and the fourth circumferential region. A portion of the volute in the first circumferential region has a first wall thickness. A portion of the volute in the second circumferential region has a second wall thickness. A portion of the volute in the third circumferential region has a third wall thickness. A portion of the volute in the fourth circumferential region has a fourth wall thickness.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: January 8, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Darryl A. Colson, Murtuza Lokhandwalla
  • Patent number: 10161311
    Abstract: An aircraft with aturbofan engine assembly having at least one compressor, a nacelle surrounding the turbine engine and defimng an annular bypass duct between the nacelle and the turbine engine, a thrust reverser having at least one moveable control surface, a thrust reverser locking system configured to selectively lock the thrust reverserand an injection cooling system.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: December 25, 2018
    Assignee: General Electric Company
    Inventors: Qiang Pang, Guohua Zhong, Yao Li
  • Patent number: 10161382
    Abstract: A high efficiency induced-flow wind power system engages and converts both potential (to-pull) and kinetic (to-push) wind energies to effective airflow power, delivering induced (accelerated) airflow power in a controlled flow field to a turbine/rotor, impelling a 360-degree torque on the turbine/rotor and, as a result, extracting (converting) more than 80% of the combined effective wind power to mechanical power. The induced push-pull effect results in higher efficiency wind-to-mechanical power extraction (conversion). The induced-flow wind power system can be coupled with (i) an electrical generator, inverter/converter for generating AC and DC power, (ii) pressurized vessel for effective energy storage (iii) a pressurized structure, such as an air supported structure, to ensure its structural integrity.
    Type: Grant
    Filed: July 10, 2016
    Date of Patent: December 25, 2018
    Inventors: Alexander G. Kogan, Filipp Kogan, Genrikh Kleynerman, Victor Timofeev
  • Patent number: 10138900
    Abstract: A gas turbine includes at least one rotor assembly and at least one compressor casing. The compressor casing has at least one inner compressor casing chamber for arranging the rotor assembly and at least one outer compressor casing chamber for tempering the compressor casing. The inner and outer compressor casing chambers are separated from each other by a separating casing wall. The outer compressor casing chamber has at least one boundary casing wall. The boundary casing wall and the separating casing wall are oppositely spaced such that the outer compressor casing chamber is formed. The boundary casing wall has at least one inlet opening for leading in an inlet tempering gas flow with tempering gas into the outer compressor casing chamber such that a tangential material temperature variation of the compressor casing is reduced in comparison to a non tempered compressor casing.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: November 27, 2018
    Assignee: Siemens Aktiengesellschaft
    Inventors: Thomas Andersson, Allan Persson
  • Patent number: 10137981
    Abstract: An aeronautical propulsion system includes a fan having a plurality of fan blades rotatable about a central axis and defining a fan pressure ratio, FPR. The propulsion system also includes an electric motor mechanically coupled to the fan for driving the fan, the electric motor including a number of poles, npoles, and defining a maximum power, P. The relationship between the fan pressure ratio, FPR, of the fan, the number of poles, npoles, of the electric motor, and the maximum power, P, of the electric motor is defined by an equation: n pole p = C 1 · e - 9.062 · FPR + C 2 · e - 1.2604 · FPR ; wherein C1 is a constant having a value between 22,000 and 52,000, wherein C2 is a constant having a value between 4.0 and 9.8, and wherein e is Euler's number.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: November 27, 2018
    Assignee: General Electric Company
    Inventors: Brandon Wayne Miller, Randy M. Vondrell, Patrick Michael Marrinan, Paul Robert Gemin, Nicholas Taylor Moore
  • Patent number: 10125579
    Abstract: An apparatus can include a first curved blade for use in a centrifuge. The centrifuge can be for collecting debris particles in a fluid flowing through the centrifuge. The first curved blade can include a plurality of eccentric slots. The first curved blade can include a groove positioned at an outer edge of the curved blade. The first curved blade can also include a first mating element and a second mating element. The first and second mating elements can be for coupling the first curved blade to a second curved blade about a central axis.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: November 13, 2018
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Bo Gao, Nicholas Budler, Linda Xin
  • Patent number: 10125789
    Abstract: A variable area vane arrangement includes a stator vane, a bushing and a vane platform with an aperture. The stator vane rotates about an axis, and includes a shaft that extends along the axis into the aperture. The bushing is connected to the shaft, and is arranged within the aperture between the vane platform and the shaft.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: November 13, 2018
    Assignee: United Technologies Corporation
    Inventors: David Maliniak, Nathan F. Champion, Kenneth A. Frisk
  • Patent number: 10119403
    Abstract: An example method of reducing a vibratory response of airfoils that support a shroud includes circumferentially misaligning some of the airfoils in a radially inner array of airfoils with all airfoils of a radially outer array of airfoils, and circumferentially aligning at least one of the airfoils in the radially inner array of airfoils with all airfoils of the radially outer array of airfoils.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: November 6, 2018
    Assignee: United Technologies Corporation
    Inventors: Richard K. Hayford, Steven J. Ford
  • Patent number: 10119474
    Abstract: A hydrostatic seal and vibration damping apparatus for a gas turbine engine adapted to reduce vibrations during cold engine start-ups is disclosed. In one disclosed configuration, the vibration damping apparatus is comprised of a temperature sensitive control ring having a relatively high coefficient of thermal expansion adapted to expand quickly at relatively low temperatures to protect the hydrostatic seal during such gas turbine engine startups. At operational temperatures, the control ring is adapted to become separated from the hydrostatic sea.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: November 6, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Dave J. Hyland, Joseph T. Caprario, Timothy Dale
  • Patent number: 10113556
    Abstract: A centrifugal compressor assembly for use in a turbine engine is provided. The assembly includes an impeller that includes a plurality of rotor blades. The assembly also includes a stationary assembly circumscribing the impeller such that a clearance is defined therebetween. The stationary assembly includes at least one articulating seal member positioned adjacent the plurality of rotor blades, and a biasing mechanism configured to cause the at least one articulating seal member to selectively translate relative to the plurality of rotor blades based on an operating condition of the turbine engine.
    Type: Grant
    Filed: January 8, 2016
    Date of Patent: October 30, 2018
    Assignee: General Electric Company
    Inventors: Thomas Ory Moniz, Joseph George Rose
  • Patent number: 10113555
    Abstract: A turbocharger unit for an internal combustion engine having at least one exhaust line for the evacuation of exhaust gases from the combustion chamber of the engine and at least one inlet line for the supply of air to the combustion chamber is provided. The turbocharger unit includes a turbine which interacts with a compressor in order to extract energy from the exhaust-gas flow of the engine and pressurize the inlet air of the engine. The compressor is of the radial type and is provided with an impeller having backswept blades in which the blade angle between an imaginary extension of the center line of the blade between root section and tip section in the direction of the outlet tangent and a line connecting the center axis of the impeller to the outer tip of the blade is at least about 40 degrees. The ratio between the inlet diameter of the impeller and its outlet diameter lies within the range 0.50-0.62.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: October 30, 2018
    Assignee: Volvo Lastvagnar AB
    Inventor: Magnus Ising
  • Patent number: 10113553
    Abstract: A centrifugal compressor for a chiller includes a casing, an inlet guide vane, an impeller downstream of the inlet guide vane, a motor and a diffuser. The casing has inlet and outlet portions with the inlet guide vane disposed in the inlet portion. The impeller is rotatable about a rotation axis defining an axial direction. The motor rotates the impeller. The diffuser is disposed in the outlet portion downstream from the impeller with an outlet port of the outlet portion being disposed between the impeller and the diffuser. A hot gas injection passage is provided to inject hot gas refrigerant between the inlet guide vane and the impeller. A controller is programmed to control an amount of the hot gas refrigerant.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: October 30, 2018
    Assignee: DAIKIN APPLIED AMERICAS INC.
    Inventors: Nobuhiro Umeda, Md Anwar Hossain, Takatoshi Takigawa
  • Patent number: 10110156
    Abstract: A system has an electric motor having a stator and a rotor. The rotor rotates with a shaft and the shaft drives a fluid rotor. A control senses a fault condition on the electric motor. The control actuates a speed reduction feature when a fault is detected to bring rotation of the motor rotor and the fluid rotor to a stop more rapidly than if the speed reduction feature had not been actuated.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: October 23, 2018
    Assignee: Hamilton Sunstrand Corporation
    Inventors: Andreas C. Koenig, John M. Beck, Joseph Kenneth Coldwate
  • Patent number: 10100665
    Abstract: A method for heating up a steam turbine or for keeping a steam turbine hot, which steam turbine has at least one pressure stage working at an initial pressure or intermediate pressure, at least one final pressure stage which is fluidically connected downstream of the pressure stage and works at a final pressure which is lower than the initial pressure or intermediate pressure, and at least one condenser which is connected downstream of the final pressure stage, wherein steam generated outside the steam turbine is introduced into the pressure stage. After flowing through the pressure stage and bypassing the final pressure stage, the steam is supplied directly to the condenser.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: October 16, 2018
    Assignee: Siemens Aktiengesellschaft
    Inventors: Tobias Hogen, Yevgen Kostenko, Sebastian Zahn, Uwe Zander
  • Patent number: 10100675
    Abstract: An outer diffuser case of a diffuser case assembly for use in a gas turbine engine may have a housing orientated about an engine axis, a forward flange projecting radially outward from the housing, a mid-flange spaced axially aft of the forward flange and projecting radially inward from the housing, and an aft flange projecting radially outward from the housing. The mid flange is spaced axially between the forward and aft flanges and is configured to detachably engage an inner diffuser case of the case assembly. The forward flange is configured to detachably engage a high pressure compressor and the aft flange is configured to detachably engage a high pressure turbine of the engine.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: October 16, 2018
    Assignee: United Technologies Corporation
    Inventors: Jonathan J. Eastwood, Dave J. Hyland, Timothy Dale
  • Patent number: 10100654
    Abstract: A turbine shroud adapted for use in a gas turbine engine includes a plurality of metallic carrier segments and a plurality of blade track segments mounted to corresponding metallic carrier segments. Impingement tubes direct cooling air onto the blade track segments to cool the blade track segments when exposed to high temperatures in a gas turbine engine.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: October 16, 2018
    Assignees: Rolls-Royce North American Technologies Inc., Rolls-Royce Corporation
    Inventors: Daniel K. Vetters, Peter Broadhead, Steven Hillier
  • Patent number: 10093171
    Abstract: A grill assembly for attachment to a vehicle front end including a base grill portion, having a front surface, a back surface, a perimeter portion, and cross-rail portions. The cross-rail portions define a plurality of grill openings therebetween. A plurality of louvers are configured to communicate with the plurality of grill openings. The assembly is in communication with a controller to effectuate generally linearly reciprocal movement of at least one of the base grill portion or the plurality of louvers in a direction generally defined by a direction of travel of the vehicle to vary an amount of air flow through the plurality of grill openings.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: October 9, 2018
    Assignee: Lacks Enterprises, Inc.
    Inventor: David Walters
  • Patent number: 10087767
    Abstract: A pre-diffuser may include a plurality of struts, and each strut may have a leading edge. An upper contour of the leading edge may have a forward end and an aft end, and may include a first radius and a second radius. The first and second radii may be associated with the forward end and the aft end, respectively. The first radius may also be located farther forward than the second radius, and may be larger than the second radius.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: October 2, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Jonathan Jeffery Eastwood, Dave J. Hyland, Timothy Dale
  • Patent number: 10087943
    Abstract: A flow volume measurement device for a turbo compressor includes a first pressure guide tube communicating with an intake pipe connected to a second compression stage having a compressor impeller that compresses a gas; and a second pressure guide tube communicating with an intake port of the second compression stage, which has a smaller internal diameter than an internal diameter of the intake pipe, and measures the flow volume of the gas on the basis of a difference in pressure between the first pressure guide tube and the second pressure guide tube.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: October 2, 2018
    Assignee: IHI Rotating Machinery Engineering Co., Ltd.
    Inventor: Toshimichi Taketomi
  • Patent number: 10082148
    Abstract: Disclosed herein are a surge prevention apparatus and method for a centrifugal compressor. The surge prevention apparatus includes a control unit for controlling a gas provision operation based on a flow rate and pressure on an inlet side of a compressor and pressure on an outlet side of the compressor, and a gas provision unit for storing a part of gas flowing into the inlet side of the compressor and providing the stored gas to the inlet side in response to a control signal from the control unit.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: September 25, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Joa-Hyoung Lee, Gwang-Ja Jin, You-Hee Choi
  • Patent number: 10036322
    Abstract: Aircraft turbomachine comprising at least one heat exchanger (40) and a gearbox (10) in a V-shaped overall configuration and comprising two lateral arms (20) joined together by a central joining piece, the heat exchanger being mounted between the arms of the gearbox.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: July 31, 2018
    Assignee: SNECMA
    Inventors: Carmen Ancuta, Bruno Albert Beutin
  • Patent number: 10025893
    Abstract: A life consumption of a component in a machine may be predicted. Load data may be received from a load session of the machine. A plurality of parameter sets may be accessed, each associated with a critical point of the component, which point is considered to have critical life consumption. For each critical point, life consumption may be calculated using a life consumption calculation model receiving the load data and the parameter sets as input. By selecting a plurality of critical points on the component, a more complete view is presented of how the different parts of the component are affected by the load session.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: July 17, 2018
    Assignee: GKN Aerospace Sweden AB
    Inventors: Magnus Andersson, Anders Larsson
  • Patent number: 10006439
    Abstract: An energy production plant has a drive train including a differential gear (14) with three drive and power take-off assemblies, a first drive assembly being connected to a drive shaft, a power take-off assembly being connected to a generator (13) and a second drive assembly being connected to a differential drive assembly (16). The differential gear (14) is a planetary gear. Both an emergency brake (4) and a service brake (20) are located in the drive train. In the event of a power failure, grid fault or an emergency shutdown, the service brake (20) is activated such that the torque acting on the rotor (1) supplied by the drive train remains substantially constant for a period of at least 0.5 seconds.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: June 26, 2018
    Inventor: Gerald Hehenberger
  • Patent number: 10006681
    Abstract: A pulse width modulation control is provided for a suction valve located on a suction line. When the flow rate through a refrigerant system needs to be reduced, the suction valve is rapidly cycled from an open position to a closed position. A bypass line connecting compressor discharge to compressor suction with a bypass valve and a discharge valve positioned on the discharge side of the compressor are also provided. When the control closes the suction valve, it also closes the discharge valve to prevent the refrigerant to backflow into the bypass line, and, at the same time, the control opens the bypass valve. Opening of the bypass valve reduces discharge pressure, leading to reduction in compressor power consumption and subsequent operating efficiency gain.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: June 26, 2018
    Assignee: Carrier Corporation
    Inventors: Alexander Lifson, Michael F. Taras
  • Patent number: 10006290
    Abstract: A two-sided turbocharger compressor wheel and a housing forming a diffuser for the compressor. A first side and a second side of the compressor wheel are characterized by different values of a trim and of an annulus area. A first side of the diffuser surrounds the first side of the compressor wheel, and a second side of the diffuser surrounds the second side of the compressor wheel. The first and second sides of the diffuser are characterized by different annulus area ratios. The blades of the first and second sides of the compressor wheel are angularly offset from one another. The compressor wheel is configured for greater flow through the side of the compressor wheel that faces away from a related turbine wheel.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: June 26, 2018
    Assignee: Honeywell International Inc.
    Inventors: Vit Houst, Daniel Turecek, Vaclav Kares, Milan Nejedly, Michal Mokos, Hua Chen, Annie Li, Michael Zhao, Wei Dai, Jose Luis Lazaro Bercianos
  • Patent number: 10001083
    Abstract: A turbofan aircraft engine having a primary duct (C), including a combustion chamber (BK), a first turbine (HT) disposed downstream of the combustion chamber, a compressor (HC) disposed upstream of the combustion chamber and coupled (W1) to the first turbine, and a second turbine (L) disposed downstream of the first turbine and coupled (W2) via a speed reduction mechanism (G) to a fan (F) for feeding a secondary duct (B) of the turbofan aircraft engine. A square of a ratio of a maximum blade diameter (DF) of the fan to a maximum blade diameter (DL) of the second turbine is at least 3.5, in particular at least 4.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: June 19, 2018
    Assignee: MTU Aero Engines AG
    Inventors: Klaus Peter Rued, Werner Humhauser, Hermann Klingels, Rudolf Stanka, Eckart Heinrich, Hans-Peter Hackenberg, Stefan Weber, Claus Riegler, Erich Steinhardt, Jochen Gier, Manfred Feldmann, Norbert Huebner, Karl Maar
  • Patent number: 9995381
    Abstract: A torque converter is provided. The torque converter includes a front cover, an impeller shell and a turbine axially movable to frictionally engage the impeller shell such that the turbine forms a piston of a lockup clutch. A first pressure chamber is defined axially between the turbine and the impeller shell. The torque converter further includes a reaction plate positioned axially between the front cover and the turbine. A second pressure chamber is defined axially between the reaction plate and the turbine and a third pressure chamber is defined axially between the reaction plate and the front cover. A method of forming a torque converter is also provided.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: June 12, 2018
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Sagar Adari
  • Patent number: 9995277
    Abstract: A method for controlling a wind farm includes: receiving temperature data associated with a plurality of locations along a sound path between the wind farm and a sound immission point from one or more sensors; estimating a propagation characteristic of the sound path based at least in part on the temperature data; predicting a noise level at the sound immission point based at least in part on the propagation characteristic; determining a control signal for one or more wind turbines in the wind farm based at least in part on the noise level; and using the control signal to control the one or more wind turbines.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: June 12, 2018
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Andreas Herrig, Seongkyu Lee, Stefan Kern, Thierry Pascal Maeder, Benoit Philippe Petitjean, Roger Drobietz, Sujan Kumar Pal, Biju Nanukuttan
  • Patent number: 9988930
    Abstract: A method of predicting the condition of a compressor with respect to rotating stall is disclosed. The method comprises the steps of: i) comparing the difference between the largest and smallest values of a variable occurring during a time period with a difference threshold, the variable at any given time being dependent on the compressor exit pressure at that time, and ii) predicting either that the compressor is in rotating stall or that the compressor is not in rotating stall in dependence upon the result of the comparison.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: June 5, 2018
    Assignee: ROLLS-ROYCE plc
    Inventor: David Andre Elysee
  • Patent number: 9970293
    Abstract: A rotating liquid ring rotating casing gas turbine (10) has at least one liquid ring rotating casing (13) having an eccentrically mounted impeller (11) adapted to rotate within a surrounding liquid ring (14) so as to form chambers (15) of successively increasing volume between adjacent vanes of the impeller. A working fluid formed by high pressure gas is injected into the impeller where the chambers are narrow via a fluid inlet (19) within a static axial bore (23) of the impeller so as to rotate the impeller and in so doing the gas expands isentropically. A fluid outlet (20) within the static axial bore of the impeller and fluidly separated from the fluid inlet allows the working fluid to escape at low pressure and low temperature.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: May 15, 2018
    Assignee: Agam Energy Systems Ltd.
    Inventor: Gad Assaf
  • Patent number: 9951793
    Abstract: A compressor housing may include a shroud portion which is axially spaced from an inlet portion and configured to at least partially surround the compressor wheel. The compressor housing may be further configured to include a recirculation cavity which is formed between an exterior surface of the shroud portion and an interior surface of the compressor housing. Furthermore, a recirculation slot may define an airflow pathway between the recirculation cavity and the compressor wheel. Additionally, the compressor housing may include an angled shroud support extending radially through the recirculation cavity from the exterior surface of the shroud portion to the interior surface of the compressor housing. The angled shroud support may be spaced an axial distance away from the recirculation slot to reduce turbulence in the airflow as the airflow moves from the recirculation cavity to the compressor wheel.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: April 24, 2018
    Assignee: BorgWarner Inc.
    Inventor: Evan Lucas
  • Patent number: 9951461
    Abstract: A washing machine including a cabinet having an inlet port formed at a front panel for laundry insertion thereinto and a door to open or close the inlet port; a tub within the cabinet for storing wash water; a drum in communication with the inlet port, and rotatably provided within the tub; and a detergent dispenser provided below the inlet. The detergent dispenser includes a dispenser case having an opening portion on an upper surface thereof; and at least one of an automatic detergent supply unit and a manual detergent supply unit mounted at the dispenser case. The automatic detergent supply unit includes a container provided with an inlet port and an outlet port for storing liquid detergent; a container receiving portion to receive the container; and a pumping device to selectively discharge liquid detergent discharged from the outlet port of the container by a predetermined amount.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: April 24, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Bosung Seo, Myunghun Im
  • Patent number: 9920647
    Abstract: A seal segment of a shroud arrangement for bounding a hot gas flow path within a gas turbine engine is described. The seal segment is upstream of a second component of the gas turbine engine relative to the hot gas flow path. The seal segment comprises: a plate having: a downstream trailing edge; an inboard side which faces the hot gas flow path when in use; an outboard side; and a first part of a two part seal attached on the outboard side, wherein a second part of the two part seal is attached to the second component such that in an assembled gas turbine engine the two part seal provides an isolation chamber which is in fluid communication with the hot gas flow path via the trailing edge of the plate. A gas turbine having the seal segment is also described.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: March 20, 2018
    Assignee: ROLLS-ROYCE plc
    Inventors: Simon Lloyd Jones, Rupert John Taylor, Julian Glyn Balsdon
  • Patent number: 9915176
    Abstract: A shroud assembly for a turbine engine includes a shroud having a front side confronting the blades of a turbine and a back side opposite the front side, a hanger configured to couple the shroud to with casing of the turbine, a cooling conduit extending through the hanger to supply a cooling fluid stream to the back side of the shroud, and a particle separator having a through passage forming part of the cooling conduit and a scavenge conduit branching from the through passage.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: March 13, 2018
    Assignee: General Electric Company
    Inventors: Robert Carl Murray, Gregory Michael Laskowski, Corey Bourassa, Byron Andrew Pritchard, Jr., Curtis Walton Stover
  • Patent number: 9909673
    Abstract: A fluid supply system for providing a turbomachine fluid to a component of a gas turbine engine is disclosed. The fluid supply system includes a fluid container, a moveable barrier, and an airbag. The moveable barrier fluidly divides the fluid container into a first portion and a second portion. The moveable barrier is moveable between a flow-permitting position and a flow-restricting position. The turbomachine fluid experiences a circulating flow between the component and the second portion of fluid container when the moveable barrier is in the flow-permitting position. The circulating flow is at least partially impeded by the moveable barrier when the moveable barrier is in the flow-restricting position. The airbag is positioned within the first portion of the fluid container. The airbag is selectively operable to move the moveable barrier from the flow-permitting position to the flow-restricting position.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: March 6, 2018
    Assignee: United Technologies Corporation
    Inventor: JinQuan Xu
  • Patent number: 9912162
    Abstract: A method for controlling a power consumption of a group of a plurality of wind turbines, in particular of a wind park. The wind turbines are prepared for feeding electrical energy into an electrical supply network and an energy supply is offered to the wind turbines for consumption in a recurring cycle, in predetermined order successively, and subject to a total park energy supply available to the wind turbines for consumption, and the respective wind turbine reserves this or a smaller energy supply as a reference power, and subsequent wind turbines in the cycle are provided with, at most, the energy supply available to the wind park, reduced by the reference energy supply already reserved, as energy supply.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: March 6, 2018
    Assignee: Wobben Properties GmbH
    Inventor: Helge Giertz
  • Patent number: 9889915
    Abstract: A control system to optimize response time of a plurality of engines of a machine is provided. The control system includes a controller configured to determine a first engine group and a second engine group based on data regarding response time characteristics of the plurality of engines, control the first engine group to increase output power of the machine when the output power of the machine is below a predetermined power output threshold, and control the second engine group to increase output power of the machine responsive to the output power of the machine reaching the predetermined power output threshold. A response time of the first engine group is faster than a response time of the second engine group when the output power of the machine is below the predetermined power output threshold.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: February 13, 2018
    Assignee: Caterpillar Inc.
    Inventors: Yanchai Zhang, Michael A. Snopko, Insu Chang, Vijay Janardhan, Perry D. Converse