Starting And Generating Dynamo Patents (Class 290/31)
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Patent number: 12139018Abstract: A hybrid power assembly and an all-terrain vehicle are provided. The hybrid power assembly includes an engine and a motor. The engine includes a crankshaft and a crankcase, the crankshaft is mounted in the crankcase, the crankcase includes a motor mounting cap, and a first end of the crankshaft extends out of the motor mounting cap. The motor includes a motor housing, a cap of the motor, a stator, and a rotor. The motor housing is mounted between the motor mounting cap and the cap of the motor, the stator is fixed in the motor housing, the rotor is arranged on the inner circumference of the stator and is rotatable relative to the stator, and the rotor is connected to the first end of the crankshaft.Type: GrantFiled: April 27, 2022Date of Patent: November 12, 2024Assignee: SEGWAY TECHNOLOGY CO., LTD.Inventor: Zhengchang Deng
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Patent number: 12122240Abstract: A hybrid powertrain includes: an engine and a generator. The engine includes a crankshaft and a crankcase, and a shaft end of the crankshaft extends out of the crankcase. The generator includes a generator installation cap, a generator housing, a generator cover, a stator, and a rotor. The generator installation cap is installed on a side of the crankcase, the generator housing is installed between the generator installation cap and the generator cover, the stator is fixed in the generator housing, and the rotor is disposed on the inner circumference of the stator, and is in transmission connection with the shaft end of the crankshaft. The generator housing is formed with an accommodating hole, the generator installation cap and the generator cover are each formed with an accommodating slot facing the generator housing, and the stator is accommodated in the accommodating hole and the two accommodating slots.Type: GrantFiled: May 2, 2022Date of Patent: October 22, 2024Assignee: SEGWAY TECHNOLOGY CO., LTD.Inventor: Zhengchang Deng
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Patent number: 12110005Abstract: A control device for a hybrid vehicle that includes an internal combustion engine, a motor, and a clutch provided between the internal combustion engine and the motor includes a first start control unit that starts the internal combustion engine by causing the motor to perform cranking, a second start control unit that starts the internal combustion engine without causing the motor to perform cranking, and a setting unit that sets a threshold for a rotational speed of the internal combustion engine according to a vehicle speed of the hybrid vehicle. When the rotational speed of the internal combustion engine is less than the threshold, the first start control unit starts the internal combustion engine. When the rotational speed of the internal combustion engine is equal to or higher than the threshold, the second start control unit starts the internal combustion engine.Type: GrantFiled: November 13, 2022Date of Patent: October 8, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takehiro Komatsu, Masahiro Kachi
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Patent number: 12018617Abstract: An aircraft turbine engine includes a gas generator having a longitudinal axis (A), a fan located at an upstream end of the gas generator and configured to turn about said axis, and an electric machine of generally annular shape. The electric machine is coaxially mounted downstream of the fan and has a rotor coupled to rotate with the fan. The electric machine further includes a stator connected to an electronic power circuit by at least one rigid electrically-conductive bar.Type: GrantFiled: November 24, 2020Date of Patent: June 25, 2024Assignee: SAFRAN AIRCRAFT ENGINESInventors: Vincent François Georges Millier, Loïc Paul Yves Guillotel
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Patent number: 11894754Abstract: A hand held power tool that includes a housing, a power source input configured to receive power from a power source, and a brushed motor located within the housing. The brushed motor is configured to receive power from the power source input. The brushed motor includes a first primary stator pole including a first pole neck and a first pole arc, a second primary stator pole including a second pole neck and a second pole arc, a first stator interpole including a first interpole neck, and a second stator interpole including a second interpole neck. The first stator interpole and the second stator interpole are each positioned between the first primary stator pole and the second primary stator pole.Type: GrantFiled: March 30, 2022Date of Patent: February 6, 2024Assignee: Milwaukee Electric Tool CorporationInventor: David Rose
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Patent number: 11817806Abstract: Described is a method of determining an initial speed of a synchronous motor having a permanent magnet rotor. The method comprises controlling said motor to cause the rotor to rotate or observing that the rotor is rotating. The method includes sensing stator winding currents and transforming the sensed stator winding currents into a two-dimensional (2D) coordinate system using an alpha-beta (?-?) transformation. The rotor angle ? is determined from an arc tangent (Atan) of the ratio of the current in the ?-axis to the current in the ?-axis. The initial motor speed ? is determined from the determined rotor angle ?.Type: GrantFiled: August 31, 2021Date of Patent: November 14, 2023Assignee: Kinetic Technologies International Holdings LPInventor: Kwei Chung Li
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Patent number: 11781443Abstract: Various methods and systems are provided for generating exhaust energy and converting exhaust energy to electrical energy while an engine is not running. In one example, a system for an engine comprises: a first turbocharger including a first compressor driven by a first turbine, the first turbine disposed in an exhaust of the engine; a fuel burner fluidly coupled to the exhaust upstream of the first turbine; a generator coupled to one of the first turbine or an auxiliary, second turbine fluidly coupled to the exhaust downstream of the fuel burner; and one or more bypass valves configured to adjust a flow of air that bypasses the engine and is delivered to the fuel burner.Type: GrantFiled: May 6, 2022Date of Patent: October 10, 2023Assignee: TRANSPORTATION IP HOLDINGS, LLCInventors: James Robert Mischler, Roy James Primus, Thomas Michael Lavertu
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Patent number: 11752998Abstract: A vehicle control device mounted on a vehicle includes: an operation detection unit that detects an operation performed on the vehicle by a user; a power supply control unit that controls execution of power supply from a first battery involved in vehicle traveling to an auxiliary load powered by a second battery that is different from the first battery, with a start switch of the vehicle being off; and a prohibition control unit that prohibits the power supply to the auxiliary load by the power supply control unit, in response to the operation of the user detected by the operation detection unit.Type: GrantFiled: June 4, 2021Date of Patent: September 12, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Toru Ono, Yasushi Kusaka, Toshihiro Kawai, Shinichi Inoue
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Patent number: 11753175Abstract: An aircraft turbine engine includes a gas generator having a longitudinal axis (A), a fan which is located at an upstream end of the gas generator and which is configured to rotate about the axis, and an electric machine which has a generally annular shape. The electric machine is mounted coaxially downstream of the fan and has a rotor which is coupled in terms of rotation to the fan, and a stator which is connected to an electronic power circuit by at least one rigid electroconductive bar.Type: GrantFiled: November 24, 2020Date of Patent: September 12, 2023Assignee: SAFRAN AIRCRAFT ENGINESInventors: Vincent François Georges Millier, Loïc Paul Yves Guillotel
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Patent number: 11626788Abstract: Magnetic cycloidal gear assemblies and mounting arrangements for magnetic cycloidal gear assemblies are provided that include a fixed stator and a cycloid that rotates eccentrically within the stator. The cycloid can be mounted to an offset cam on the input shaft by a rolling element bearing. A plurality of cam followers connect the cycloid to the output hub. Various features can be provided to increase operational balance or stability. For example, an adjustable counterweight can be attached to the input shaft. Also for example, a mounting arrangement including an adjustable nut, one or more bearings, and/or one or more wave springs can be provided to allow for the application, balancing, or adjustment of axial forces within the assembly.Type: GrantFiled: September 28, 2021Date of Patent: April 11, 2023Assignee: Kaney Aerospace, Inc.Inventors: Donald Fredrick Knight, Erik Michael Plugge
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Patent number: 11626779Abstract: In some embodiments, two or more different types of stator structures may be disposed within a gap of an axial flux machine. Such arrangements may be advantageous, for example, for producing a machine optimized for multiple modes of operation, such as mechanical torque generation, conversion of mechanical torque to electrical power, and/or dissipation of mechanical power. Further, in some embodiments, an axial flux machine may include a planar stator having a winding arranged to be positioned within the machine's active region, and may further include at least one switch configured to be selectively closed to establish an electrical connection between respective ends of the winding at a time that the winding is not coupled to an external power source.Type: GrantFiled: February 14, 2022Date of Patent: April 11, 2023Inventors: Steven Robert Shaw, George Harder Milheim
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Patent number: 11542029Abstract: A method for manufacturing a dual-structured aircraft engine starting and generating apparatus is provided. The method includes printing a housing using a three-dimensional printing process including a main machine portion and an exciter portion for receiving at least part of a generator system. Printing the housing includes printing a cooling jacket portion comprising one or more cooling passages that is a monolithic part of a sidewall of the housing.Type: GrantFiled: August 31, 2020Date of Patent: January 3, 2023Assignee: General Electric CompanyInventors: Hao Huang, Xiaochuan Jia, Jan Zywot
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Patent number: 11527942Abstract: A dual-wound machine comprises a dual-wound generator supplying power to two separate powered zones. The generator comprises a wound rotor with a field winding and a stator with two sets of phase windings and a field control loop that controls the excitation voltage applied to the field winding and therefore the magnetic field produced by the rotor, in order to maintain a constant field flux in the generator and mitigate dynamic coupling between the two sets of phase windings when supplying power to unbalanced loads.Type: GrantFiled: March 26, 2020Date of Patent: December 13, 2022Assignees: National Technology & Engineering Solutions of Sandia, LLC, United States of America as represented by the Secretary of the NavyInventors: Lee Joshua Rashkin, Jason C. Neely, Timothy J. McCoy, Norbert H. Doerry
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Patent number: 11342811Abstract: A diesel generator with an improved load capacity according to one embodiment may include a generator body including a field magnet and an armature, and configured to convert rotational energy of a diesel engine main body into electric energy; and an automatic voltage regulator configured to control power supplied to a field winding and to control output voltage of the generator body. The automatic voltage regulator is driven by a power supplier configured to supply constant voltage or current based on power storage and conversion. According to the present disclosure, the diesel generator may have a load capacity without a PMG.Type: GrantFiled: November 5, 2020Date of Patent: May 24, 2022Inventor: Gi-Bong Park
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Patent number: 11293363Abstract: A method for controlling delivery of electric power between a power source and an electric turning machine (ETM) comprises applying a start signal to a start-up power electronic switch to cause turning on of the start-up power electronic switch and to allow delivery of electric power from the power source to the ETM via the start-up power electronic switch. A recharge signal is applied to a run-time power electronic switch to cause turning on of the run-time power electronic switch for delivery of electric power from the ETM to the power source via the run-time power electronic switch. A circuit comprises a discharging circuit including the start-up power electronic switch for delivering the electric power when the start-up power electronic switch is turned on. A charging circuit includes the run-time power electronic switch for delivering the electric power when the run-time power electronic switch is turned on.Type: GrantFiled: November 12, 2019Date of Patent: April 5, 2022Assignee: BOMBARDIER RECREATIONAL PRODUCTS INC.Inventors: Normand Lebreux, Michel Bernier, David Monfette, Bruno Schuehmacher
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Patent number: 11156196Abstract: A starting device is used in a starting system that includes a starting electric motor unit and a rotating electrical machine; the starting electric motor unit including a motor that rotates a pinion gear, and a pushing member that pushes out the pinion gear toward a ring gear, the ring gear rotating together with a crankshaft of an engine; the rotating electrical machine being connected to the crankshaft and rotating the crankshaft; the starting system being configured to push, using the pushing member, the pinion gear toward the ring gear, and drive the motor to rotate, based on driving force of the motor, the ring gear via the pinion gear, thus starting the engine. The starting device includes a drive instruction unit that instructs the rotating electrical machine to rotate the ring gear via the crankshaft during a pre-drive period before drive of the motor.Type: GrantFiled: September 3, 2019Date of Patent: October 26, 2021Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Minoru Ishida, Minoru Okamiya, Takayuki Kogure, Hiroshi Enomoto, Takahisa Miura
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Patent number: 11077770Abstract: A power supply device is mountable to a vehicle and includes: a high-voltage battery; a low-voltage battery of which an output voltage is lower than that of the high-voltage battery, and which can be charged by output power from the high-voltage battery; and a control unit configured to perform charging/discharging control for the high-voltage battery and the low-voltage battery. The control unit performs feeding control for causing the high-voltage battery to supply power to a predetermined on-vehicle device while consumed power is higher than a predetermined value in a state in which a main switch of the vehicle is not on.Type: GrantFiled: April 8, 2019Date of Patent: August 3, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Noritake Mitsutani, Yasuhiro Taoka
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Patent number: 11001390Abstract: A helicopter may include a hybrid engine system including an internal combustion engine (e.g., a turbine engine) and an electric engine. The internal combustion engine and the electric engine being coupled to the rotor system and configured to separately or collectively operate the rotor system in response to a triggering event. In one aspect, a method for operating a rotor system of a helicopter may include receiving an indicator of a triggering event and actuating a non-active engine, one of the internal combustion engine or the electric engine, in response to receiving the triggering event.Type: GrantFiled: July 6, 2017Date of Patent: May 11, 2021Inventor: Martin Kuster
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Patent number: 10989120Abstract: There is provided a vehicle-mounted control device that, when a restart request is generated during a time interval between the fulfillment of an engine automatic stop condition and complete stop, decreases a charging efficiency of an engine by means of at least one of a throttle valve and an intake valve to prevent an increase in the reverse rotational frequency of the engine, thereby ensuring the durability of the starting device of the engine, and preventing an accelerator response from deteriorating when a restart request based on the accelerator operation is generated.Type: GrantFiled: June 3, 2016Date of Patent: April 27, 2021Assignee: Hitachi Automotive Systems, Ltd.Inventors: Kohei Suzuki, Toshio Hori, Yoshiaki Nagasawa
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Patent number: 10975824Abstract: A method and a system for starting an internal combustion engine (ICE) having a crankshaft and an electric turning machine (ETM) operatively connected to the crankshaft are disclosed. An absolute angular position of the crankshaft related to a top dead center position of a piston in a combustion chamber of the ICE is determined. Electric power is delivered to the ETM at a first level to rotate the crankshaft. Electric power is then delivered to the ETM at a second level greater than the first level when the piston reaches a predetermined position before the TDC position. Fuel is injected in the combustion chamber after the piston has passed beyond the TDC position. The fuel is then ignited. In an implementation, the ICE is started in less than 110 degrees of rotation of the crankshaft.Type: GrantFiled: May 12, 2017Date of Patent: April 13, 2021Assignee: BOMBARDIER RECREATIONAL PRODUCTS INC.Inventors: Normand Lebreux, Michel Bernier, David Monfette, Bruno Schuehmacher
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Patent number: 10910936Abstract: A cycloidal magnetic gear system for a turbine system is disclosed. The system includes a first stator magnet ring, a second stator magnet ring positioned opposite the first stator magnet ring, and a rotor positioned between the first and second stator rings of magnets. The rotor may include a first side positioned adjacent the first stator magnet ring, and a second side positioned adjacent the second stator magnet ring. The system may include a first rotor magnet ring affixed to the first side of the rotor, adjacent the first stator magnet ring. Additionally, the system may include a second rotor magnet ring affixed to the second side of the rotor, adjacent the second stator magnet ring. The rotor may be configured to rotate eccentrically about a center-axis of the first and/or second stator magnet ring.Type: GrantFiled: October 14, 2016Date of Patent: February 2, 2021Inventors: Emily Morris, Anthony Walsh, Joseph S. VanSelous, Chester Louis Parys, Brian David Tutas, Tony Morris
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Patent number: 10903764Abstract: An apparatus includes a first inverter circuit and a second inverter circuit. The first invertor circuit is configured to couple an alternator and a load device to deliver a driving signal from the alternator to the load device. The second invertor circuit is configured to couple the alternator to the load device to deliver a driving signal from the alternator to the load device and configured to couple a battery to the alternator to deliver a charging signal from the alternator the battery.Type: GrantFiled: November 6, 2018Date of Patent: January 26, 2021Assignee: Kohler, Co.Inventors: Isaac S. Frampton, Adam Larson
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Patent number: 10859052Abstract: A method for operating an electric turning machine (ETM) operatively connected to an internal combustion engine (ICE) are disclosed. An engine control unit (ECU) controls the ETM to operate as a motor with a first control strategy and as a generator with a second control strategy. The second control strategy is distinct from the first control strategy. The ECU controls switching the operation of the ETM from the first control strategy to the second control strategy when a sensor senses that a rotational speed of the ICE is equal to or above a minimum revolution threshold.Type: GrantFiled: January 22, 2019Date of Patent: December 8, 2020Assignee: BOMBARDIER RECREATIONAL PRODUCTS INC.Inventors: Normand Lebreux, Michel Bernier, Jasmin Rouleau, David Monfette
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Patent number: 10855214Abstract: Disclosed is an energy management system for an aircraft. The system includes an electric machine including a stator surrounding a rotor having permanent magnets disposed therein, wherein rotation of the rotor causes an alternating current to be generated in windings of the stator that is uncontrolled. The system includes an electric propulsion system. The system includes a bidirectional power converter having a first side connected to the electric machine and a second side galvanically isolated from the first side and connected to the electric propulsion system. The bidirectional power converter includes a switching network that regulates power associated with the electric machine and power transfer across the bidirectional power converter. The switching network is operable to satisfy collective power flows of the electric machine and the electric propulsion system through the bidirectional power converter.Type: GrantFiled: April 9, 2019Date of Patent: December 1, 2020Assignee: HAMILTON SUNSTRAND CORPORATIONInventors: Mustansir Kheraluwala, Xin Wu
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Patent number: 10790733Abstract: Unique systems, methods, techniques and apparatuses of exciterless synchronous machines are disclosed. One exemplary embodiment is a fractional slot synchronous machine comprising a rotor including a first pole pair including a first pole including a first plurality of slots having a first center point and arranged on a first outer surface in a slot pattern; a second pole pair including a second pole including a second plurality of slots having a second center point and arranged on a second outer surface in the slot pattern; energy harvest windings arranged in a winding pattern within a portion of the first plurality of slots and arranged in the same winding pattern within a portion of the second plurality of slots, the energy harvest winding being structured to receive a harmonic power from the stator; and a rectifier structured to receive the harmonic power from the energy harvest winding.Type: GrantFiled: September 4, 2018Date of Patent: September 29, 2020Assignee: ABB Schweiz AGInventors: Chenjie Lin, Ghanshyam Shrestha, Mehanathan Pathmanathan, Pedro Rodriguez, Jan Mikael Westerlund, Tuomas Janhunen
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Patent number: 10784802Abstract: A generator starter of a turbomachine, including an asynchronous electric machine configured so as to operate in motor mode during a starting phase of the turbomachine while being supplied by an electrical source, and so as to operate in generator mode after the starting phase of the turbomachine in order to supply an electrical load. An inverter is arranged between the electrical source and the asynchronous machine with at least two alternating current terminals coupled to the asynchronous machine, and a control unit for the inverter configured to supply the asynchronous machine with a starting current in motor mode and a magnetisation current in generator mode. The asynchronous machine includes at least one first stator winding connected to the alternating current terminals to be supplied with the starting current in motor mode and with the magnetisation current in generator mode, and at least one second stator winding connected to the electrical load in generator mode.Type: GrantFiled: October 18, 2016Date of Patent: September 22, 2020Assignee: SAFRAN ELECTRICAL & POWERInventor: Eric De Wergifosse
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Patent number: 10697538Abstract: A torque converter system of a vehicle for delivering an input torque to a transmission may include a front cover of a torque converter receiving the input torque through a torque receiving shaft, an impeller of the torque converter receiving the input torque through the front cover, a turbine of the torque converter disposed opposed to and coaxially with the impeller and rotated by an operation fluid supplied from the impeller thereby driving a transmission input shaft, a reactor of the torque converter disposed between the impeller and the turbine and redirecting the operation fluid from the turbine toward the impeller, and a lock-up clutch disposed inside a transmission to selectively connecting the front cover and the turbine.Type: GrantFiled: October 17, 2018Date of Patent: June 30, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yong Uk Shin, Seong Wook Hwang, Minho Chae, Chon Ok Kim, Hyun Sik Kwon, Sun Sung Kwon, Seongwook Ji
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Patent number: 10669999Abstract: An energy storage and transmission system includes a flywheel energy storage device, a driver device and a transmission device. The flywheel energy storage device includes a flywheel, and a motor that is coupled to the flywheel. The driver device is electrically powered by a direct current (DC) power source, is coupled to the motor, and is for driving the motor and the flywheel. The transmission device includes a first crankshaft that is coupled to the motor and that is driven by the motor, a cylinder that is coupled to the first crankshaft, and a second crankshaft that is coupled to the cylinder.Type: GrantFiled: June 20, 2019Date of Patent: June 2, 2020Inventors: Fu-Tzu Hsu, Chieh-Sen Tu
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Patent number: 10589635Abstract: A solid-state high-voltage direct-current (HVDC) bus voltage controller to provide active power flow control in a hybrid electric aircraft power supply system. The HVDC bus voltage controller includes an active voltage controller and an active rectifier unit configured to control the HVDC bus voltage using the PWM control technique. In one implementation, the active rectifier unit includes high-power and high-frequency semiconductor switches with fast turn-off capabilities. The active voltage controller sends an HVDC bus reference voltage to the active rectifier unit. The low-level controller inside the active rectifier unit is configured to control the HVDC bus voltage to match the HVDC bus reference voltage.Type: GrantFiled: March 1, 2019Date of Patent: March 17, 2020Assignee: The Boeing CompanyInventors: Eugene V. Solodovnik, Mark E. Liffring, Kamiar J. Karimi
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Patent number: 10514011Abstract: A starting power generation apparatus according to an embodiment of the present invention includes: a starter generator including a field portion having a permanent magnet, and an armature unit including a first multi-phase winding and a second multi-phase winding which are arranged in parallel; a first power conversion unit including a first positive-side DC terminal connected to a battery and a plurality of first AC terminals connected to the first multi-phase winding, the first power conversion unit being configured to convert a power bidirectionally between DC and AC; a second power conversion unit including a plurality of second AC terminals connected to the second multi-phase winding, the second power conversion unit being configured to control a current to be input and output via the second AC terminals; and a control unit configured to detect a positional relationship between the field portion and the armature unit based on an output voltage of the second multi-phase winding, and control the first powType: GrantFiled: October 4, 2016Date of Patent: December 24, 2019Assignee: SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.Inventor: Tatsuya Arai
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Patent number: 10483895Abstract: A system and method for wirelessly providing power to independent movers traveling along a track includes a sliding transformer to transfer power between the track and each mover. The sliding transformer includes a primary winding extending along the track and a secondary winding mounted to each mover. Each of the primary and secondary windings may be formed of a single coil or multiple coils. The primary and secondary windings are generally aligned with each other and extend along the track and along the mover in the direction of travel with an air gap present between the windings. A power converter on the mover may regulate the power supplied to the mover to control an actuator or a sensor mounted on the mover or to activate drive coils mounted on the mover to interact with magnets mounted along the track and, thereby, control motion of each mover.Type: GrantFiled: August 25, 2017Date of Patent: November 19, 2019Assignee: Rockwell Automation Technologies, Inc.Inventors: Xikai Sun, Peter M. Smit, Oliver C. Haya, Mark R. Cooper, Nanwei Yao
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Patent number: 10480475Abstract: A starting power generation apparatus according to an embodiment of the present invention includes: a starter generator including a field portion having a permanent magnet, and an armature unit including a first multi-phase winding and a second multi-phase winding which are arranged in parallel; a first power conversion unit including a first positive-side DC terminal connected to a battery and a plurality of first AC terminals connected to the first multi-phase winding, the first power conversion unit being configured to convert a power bidirectionally between DC and AC; a second power conversion unit including a plurality of second AC terminals connected to the second multi-phase winding, the second power conversion unit being configured to control a current to be input and output via the second AC terminals; and a control unit configured to detect a positional relationship between the field portion and the armature unit based on an output voltage of the second multi-phase winding, and control the first powType: GrantFiled: October 4, 2016Date of Patent: November 19, 2019Assignee: SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.Inventor: Tatsuya Arai
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Patent number: 10468952Abstract: A permanent magnet machine with a hybrid cage and methods for operating same are disclosed. According to one aspect, the subject matter described herein includes a rotor and hybrid cage for an electrical machine, the rotor comprising a rotor body having a central axis and including a plurality of permanent magnets positioned to create a plurality of rotor magnetic poles distributed around a peripheral surface of the rotor. The rotor also includes a hybrid cage that includes conductive loops around each of the rotor magnetic poles, where the conductive loops are controllable to form a closed circuit or an open circuit around each of the rotor magnetic poles.Type: GrantFiled: November 20, 2013Date of Patent: November 5, 2019Assignee: ABB Schweiz AGInventors: Darren Dale Tremelling, Wen Ouyang
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Patent number: 10450044Abstract: This electrical energy distribution system comprises assembly of electrical energy generators each driven by a heat engine and supplying a distribution network; means for recovering the heat energy generated during the operation of the heat engines and for vaporizing a working fluid; steam turbine driven by the working fluid and associated with a generator connected to the distribution network for converting the recovered heat energy into electrical energy and at least one frequency converter arranged between the distribution network and an electrical load. It comprises means for controlling the frequency of the distribution network, where the flow rate of the vaporized working fluid is regulated to a maximum value.Type: GrantFiled: March 31, 2017Date of Patent: October 22, 2019Assignee: GE ENERGY POWER CONVERSION TECHNOLOGY LTD.Inventors: Loic Leclere, Jean-Marie Frizon
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Patent number: 10411627Abstract: An AC excitation synchronous condenser and a control method, an AC-excitation induction machine, a full-controlled AC excitation converter, a grid-side converter and a controller. The AC-excitation induction machine is the core power converting device, and its stator and rotor windings are AC windings with terminals. The controller is configured to control the full-controlled AC excitation converter to perform excitation and speed regulation on the AC-excitation induction machine and also control the grid-side converter to ensure the excitation capability of the full-controlled AC excitation converter, so that support and regulation of the active power and reactive power are achieved.Type: GrantFiled: March 23, 2018Date of Patent: September 10, 2019Assignee: Huazhong University of Science and TechnologyInventors: Jiabing Hu, Yuanzhu Chang, Enbo Zhang, Xiaoming Yuan
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Patent number: 10396694Abstract: The present subject matter is directed to a system and method for operating an electrical power circuit connected to a power grid. The power circuit includes a power converter electrically coupled to a generator. The method includes monitoring at least one speed condition of the generator during operation of the power circuit. Another step includes determining one or more voltage conditions of the power circuit. The method also includes calculating a maximum reactive current for the generator as a function of at least one of the speed condition or the one or more voltage conditions. Thus, the method also includes operating the generator based on the maximum reactive current so as to prevent an actual modulation index of the power converter from exceeding a predetermined threshold.Type: GrantFiled: March 17, 2016Date of Patent: August 27, 2019Assignee: General Electric CompanyInventors: Wei Ren, Einar Vaughn Larsen, Sidney Allen Barker
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Patent number: 10355561Abstract: A slipring assembly comprises a slipring module having at least one slipring track, which is in electrical contact with at least one slipring brush. The slipring module comprises an isolating body holding the at least one slipring track. Furthermore a cooling element is embedded into or attached to the slipring module to remove heat from the slipring module and to increase the temperature of the at least one slipring track. This allows decreasing the temperature of the slipring module to increase the maximum transferable power and lifetime.Type: GrantFiled: September 26, 2016Date of Patent: July 16, 2019Assignee: SCHLEIFRING GMBHInventor: Christian Holzapfel
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Patent number: 10355628Abstract: Provided are: a starter generator including a field portion having a permanent magnet, and an armature unit including a first multi-phase winding and a second multi-phase winding which are arranged in parallel; a first power conversion unit including a first positive-side DC terminal connected to a battery and a plurality of first AC terminals connected to the first multi-phase winding, the first power conversion unit being configured to convert a power bidirectionally between DC and AC; a second power conversion unit including a plurality of second AC terminals connected to the second multi-phase winding, the second power conversion unit being configured to control a current to be input and output via the second AC terminals; and a control unit configured to detect a positional relationship between the field portion and the armature unit based on an output voltage of the second multi-phase winding, and control the first power conversion unit and the second power conversion unit in accordance with the detecteType: GrantFiled: October 1, 2015Date of Patent: July 16, 2019Assignee: SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.Inventor: Tatsuya Arai
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Patent number: 10352298Abstract: A wind generation system includes a wind turbine for generating mechanical power, a doubly-fed induction generator for converting the mechanical power to electrical power, a converter for converting the electrical power to a desired electrical power for supplying to a power grid, and a transformer through which a stator of the generator is coupled to the power grid. When a measured rotation speed feedback from the rotor of the generator is lower than an original cut-in rotation speed of the rotor, a cut-in rotation speed of the rotor is lowered by determining a DC link voltage margin of the converter, determining a DC link voltage setpoint of the converter based on the determined DC link voltage margin; and controlling the converter based on the determined DC link voltage setpoint; and/or by increasing a turn ratio of the transformer to reduce a grid voltage from the power grid.Type: GrantFiled: December 21, 2016Date of Patent: July 16, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Zhuohui Tan, Robert Gregory Wagoner, Anthony Michael Klodowski
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Patent number: 10326338Abstract: An active rectifier of a rotary electric machine, in particular an active rectifier for alternators, for example for rectifying alternating currents (AC) to direct currents (DC) for charging batteries on vehicles, is disclosed. The active rectifier may include a plurality of power MOSFET transistors and a detecting and driving circuitry all mounted on a single substrate to form a half-bridge module. A number of at least two and up to N modules may be connected together to serve as a two and up to N-phase rectifier. Each module is connected in a way to rectify currents from one phase of the electric machine and has an individual power supply for the detecting and driving circuitry. The power supply may receive the power from the phase which is being rectified and operates independently of the alternator's voltage regulator.Type: GrantFiled: July 23, 2014Date of Patent: June 18, 2019Assignee: SIEVA, PODJETJE ZA RAZVOJ IN TRZENJE V AVTOMOBILSKI INDUSTRIJI, D.O.O.Inventors: Stojan Markic, Gorazd Modrijan, Robert Rescic, Tomaz Curk
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Patent number: 10320196Abstract: In various embodiments of the present disclosure, there is provided a method for increasing the reactive power capability of a wind power plant, in controlling a wind power plant. According to an embodiment, the method includes receiving a reactive power requirement from an electrical grid. The method further includes determining an active power generated by the wind power plant. According to an embodiment, the method includes checking if the reactive power requirement is satisfied by the wind power plant based on the active power generated by the wind power plant. The method further includes controlling the wind power plant to curtail the active power generated by the wind power plant by a curtailment amount when the reactive power requirement is not satisfied, and in response to a grid event. A corresponding wind power plant is further provided.Type: GrantFiled: November 25, 2014Date of Patent: June 11, 2019Assignee: VESTAS WIND SYSTEMS A/SInventors: Manoj Gupta, Abdul Saboor
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Patent number: 10294889Abstract: An engine is described having a crankcase, a liner and a head assembly. The crankcase is split along a plane defining a two part crankcase, where fluid passages are passing through only one of the crankcase portions, so as to not require crossing the split line. A connecting rod also includes a tapered end, and the piston has a complementary carrier receiving the connecting rod.Type: GrantFiled: September 23, 2011Date of Patent: May 21, 2019Assignee: Polaris Industries Inc.Inventors: Bret Allen Oltmans, Brian J. Hitt, David Andrew Galsworthy, Chad Michael Slater, Daniel Joseph Nugteren, George Jay McKoskey, Gordon Raymond Nelson
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Patent number: 10260471Abstract: An aircraft starting and generating system includes a starter/generator that includes a main machine, an exciter, and a permanent magnet generator. The system also includes an inverter/converter/controller that is connected to the starter/generator and that generates AC power to drive the starter/generator in a start mode for starting a prime mover of the aircraft, and that converts AC power, obtained from the starter/generator after the prime mover have been started, to DC power in a generate mode of the. A load-leveling unit (LLU) is selectively coupled with a DC power output from the starter/generator and has an inverter/converter/controller (ICC) with an LLU metal oxide semiconductor field effect transistor (MOSFET)-based bridge configuration that supplies DC power to the DC power output in a supply mode, and that receives DC power from the DC power output, in a receive mode.Type: GrantFiled: February 18, 2015Date of Patent: April 16, 2019Assignee: GE AVIATION SYSTEMS LLCInventor: Hao Huang
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Patent number: 10218298Abstract: Systems and methods for controlling reactive current output of a line converter in a power system are provided. In one example embodiment, a method includes receiving a margin signal determined based at least in part on a stator current margin or a rotor current margin. The method includes determining a spillover margin based at least in part on the margin signal. The method includes determining an adjusted spillover margin using a spillover gain. The method includes determining a reactive current command for a line converter based at least in part on the adjusted spillover margin. The method includes controlling the output of the reactive current by the line converter based at least in part on the reactive current command. The spillover gain is variable based at least in part on a maximum line converter current.Type: GrantFiled: October 11, 2016Date of Patent: February 26, 2019Assignee: General Electric CompanyInventor: Sidney Allen Barker
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Patent number: 10193488Abstract: An EMI filter is described that includes an input having first and second input terminals, and an output having first and second output terminals. A first conductive path is defined between the first input and output terminals, and a second conductive path is defined between the second input and output terminals. The EMI filter also includes a first choke device coupled across the first and second conductive paths, and a first Y capacitor including a first end and a second end opposite the first end, the first end coupled to the first conductive path downstream from the first choke device. The EMI filter further includes a second Y capacitor including a first end and a second end opposite the first end, the first end coupled to the second conductive path downstream from the first choke device, and a second choke device coupled to an inverter output.Type: GrantFiled: January 14, 2016Date of Patent: January 29, 2019Assignee: Regal Beloit America, Inc.Inventors: Ming Li, Joseph Carnes, Roger Carlos Becerra
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Patent number: 10190561Abstract: A method of rapid starting an internal combustion engine includes determining that the engine is stopped and detecting an engine start request. The method also includes enabling a starter assembly having a brushless electric motor including a stator and a rotor and configured to drive a pinion gear, and engaging the pinion gear with the engine flywheel. The method also includes determining a present angular position of the rotor relative to the stator configured to generate a first rotor torque. The method additionally includes applying an electrical current to the motor, in response to the determined angular position of the rotor, to turn the rotor to a predetermined starting angular position configured to provide a second torque that is greater than the first torque. Furthermore, the method includes commanding the motor to spin the rotor and thereby apply the second torque via the pinion gear to start the engine.Type: GrantFiled: September 28, 2017Date of Patent: January 29, 2019Assignee: GM Global Technology Operations LLCInventors: Lei Hao, Chandra S. Namuduri
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Patent number: 10077105Abstract: Embodiments refer generally to systems and methods for providing autorotative enhancement for helicopters using an autorotative assist unit coupled to the transmission of the helicopter. Methods of utilizing an autorotative assist unit as well as retrofitting an autorotative assist unit to an existing helicopter are also disclosed. By employing an autorotative assist unit, improved autorotation can be achieved without the need to increase the weight of the rotor.Type: GrantFiled: December 19, 2016Date of Patent: September 18, 2018Assignee: BELL HELICOPTER TEXTRON INC.Inventors: Dudley E. Smith, Cory M. Hitte, Bryan Marshall, Carlos Alexander Fenny
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Patent number: 10030997Abstract: This disclosure is generally drawn to systems, devices, apparatus, and/or methods related to choke systems for drilling environments. Specifically, the disclosed systems, devices, apparatus, and/or methods relate to choke calibration, position, and time display systems for drilling environments. In some examples, a choke display for providing choke status, position, time, and/or calibration information is provided, in some examples, an apparatus may include a circuit board having a right side and a left side, a first set of sensors disposed adjacent the right side of the circuit board, a second set of sensors disposed adjacent the left side of the circuit board, and a display portion configured to display a first mode and/or a second mode based on an actuation of the first set of sensors and an actuation of the second set of sensors.Type: GrantFiled: December 31, 2013Date of Patent: July 24, 2018Assignee: M-I L.L.C.Inventors: Alan Burkhard, Donovan Balli
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Patent number: 9979266Abstract: An electrical rotating machine comprises a stator including armature pole coils 14 capable of generating magnetic flux when energized, an inner rotor driven to rotate when the magnetic flux passes therethough, and an outer rotor driven to rotate in a magnetic path of the magnetic flux that passes through the first rotor, the outer rotor having portions of different materials, in permeability, which are situated along the periphery of the outer rotor, the inner rotor having a plurality of salient poles situated along the periphery of the inner rotor and wound by wound coils 34 which induce induced current when linked by the magnetic flux generated by the armature pole coils, the stator including a plurality of wound coils 51, 52, 53 winding around each of poles to constitute the armature pole coil for each of the plurality of salient poles.Type: GrantFiled: September 11, 2015Date of Patent: May 22, 2018Assignee: SUZUKI MOTOR CORPORATIONInventor: Masahiro Aoyama
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Patent number: 9941777Abstract: An electrical rotating machine comprises a stator including armature pole coils 14 capable of generating magnetic flux when energized, an inner rotor driven to rotate when the magnetic flux passes therethough, and an outer rotor driven to rotate in a magnetic path of the magnetic flux that passes through the first rotor, the outer rotor having portions of different materials, in permeability, which are situated along the periphery of the outer rotor, the inner rotor having a plurality of salient poles situated along the periphery of the inner rotor and wound by wound coils 34 which induce induced current when linked by the magnetic flux generated by the armature pole coils, the stator including a plurality of wound coils 51, 52, 53 winding around each of poles to constitute the armature pole coil for each of the plurality of salient poles.Type: GrantFiled: September 11, 2015Date of Patent: April 10, 2018Assignee: SUZUKI MOTOR CORPORATIONInventor: Masahiro Aoyama