Patents Examined by Yi-Kai Wang
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Patent number: 11835087Abstract: A non-locating bearing assembly includes a bearing unit configured to support a rotating component relative to a stationary component, the bearing unit including a stationary bearing ring and a rotatable bearing ring that are rotatable with respect to each other. The rotatable bearing ring is fixedly connectable to the rotating component, and the stationary bearing ring is mountable in the stationary component in a rotationally fixed but axially displaceable manner. A connector is provided between the stationary bearing ring and the stationary component to connect the bearing ring to the stationary component in an axially displaceable but substantially rotationally fixed manner, and the connection is provided by a combination of a friction fit and an interference fit acting in the circumferential direction.Type: GrantFiled: May 19, 2022Date of Patent: December 5, 2023Assignee: AKTIEBOLAGET SKFInventors: Sebastian Kraus, Helmut Hauck, Juergen Barthelme, Andreas Herbert Kraus, Hans-Juergen Friedrich, Alexander Dilje, Alfred Radina, Stefanie Seufert
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Patent number: 11833923Abstract: A micromobility transit vehicle may include a wheel, a dynamo, a control module, and a battery. The dynamo may be associated with the wheel and configured to transmit a first signal based at least on a detection of one or more movements of the wheel that meets or exceeds a threshold movement of the wheel. The control module may be configured to receive the first signal transmitted by the dynamo. The control module may be configured to transmit a second signal upon receiving the first signal from the dynamo. The battery may be configured to receive the second signal transmitted by the control module. The second signal may cause the battery to wake from a battery-off state to a battery-on state.Type: GrantFiled: February 14, 2020Date of Patent: December 5, 2023Assignee: Lyft, Inc.Inventors: Jason Cerundolo, Gary Shambat, Alison Thurber
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Patent number: 11828235Abstract: An epicyclic gearbox is configured to transfer rotational motion between a first rotating component and a second rotating component of the gas turbine engine. The gearbox includes a centrally located sun gear, two or more planet gears circumscribing the sun gear, and a ring gear circumscribing the plurality of planet gears. The gearbox is configured such that the sun gear is drivingly coupled to the first rotating component, such that rotation of the sun gear causes rotation of each planet gear, and such that the ring gear rotates relative to the plurality of planet gears. The gearbox includes one or more shape memory alloy dampers provided in association with the sun gear, the ring gear, and/or the plurality of planet gears. The shape memory alloy damper(s) is configured in order to reduce vibrations transferred through the epicyclic gearbox to the frame, the first rotating component, and/or the second rotating component.Type: GrantFiled: September 13, 2021Date of Patent: November 28, 2023Assignee: General Electric CompanyInventors: Peeyush Pankaj, Narayanan Payyoor, Shashank Suresh Puranik, Arvind Kumar Rao, Praveen Sharma, Chirayu Pradip Inamdar, Vidyashankar Ramasastry Buravalla, Sankarapandian Palaniappan, Sampath Karthikeyan
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Patent number: 11820388Abstract: An information processing device to be mounted on a vehicle includes a processor. The processor is configured to determine, in response to a request for the vehicle, one mode out of a plurality of modes defining behavior of the vehicle that is related to usage and operation of the vehicle, make transition of a status of the vehicle among a plurality of statuses that is based on a state and a sub-mode, and control the vehicle based on the status of the vehicle that has been achieved by the transition. The state and the sub-mode are permitted in the determined mode.Type: GrantFiled: August 18, 2021Date of Patent: November 21, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Noritake Mitsutani
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Patent number: 11808345Abstract: An object of the present invention is to appropriately control cooling water and oil according to situations. A computing device controls a flow rate of cooling water supplied to a motor and an oil pump that supplies oil from a gear box attached to the motor to a coil of the motor. The computing device suppresses the flow rate of the cooling water supplied to the motor when a temperature of oil in the gear box is less than a first threshold, and a temperature of the coil is less than a second threshold, and operates the oil pump.Type: GrantFiled: December 12, 2019Date of Patent: November 7, 2023Assignee: Hitachi Astemo, Ltd.Inventor: Shogo Miyamoto
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Patent number: 11808236Abstract: The invention relates to systems enabling use of liquefied petroleum gas in diesel common-rail engines, and in particular to fueling diesel engines with diesel gas dual-fuel or only gas instead of diesel fuel.Type: GrantFiled: May 21, 2020Date of Patent: November 7, 2023Assignee: ABLABS, SIAInventor: Alberto Bonomi
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Patent number: 11808282Abstract: A propeller fan assembly that generates lower sound pressure during operation and minimizes blade deflection without sacrificing performance. The blades of the propeller fan comprise silencer seeds located on the suction side of the blades, closer to the leading edge and the tip of the blades. The silencer seeds are sized in increasing face area and form an array with areas increasing with each row. The propeller fan assembly also comprises a dual hub comprising more than one circumferential layer concentric with the axial fan's hub. Multiple circumferential layers provide significant additional support to the blades during operation. This minimizes blade deflection and preserves the performance of the blade as intended. The overall fan and orifice assembly uses a unique assembly method that allows for wide flexibility and permits use of motors of different types and sizes seamlessly with this propeller fan assembly.Type: GrantFiled: March 2, 2022Date of Patent: November 7, 2023Assignee: AAON, Inc.Inventors: Chaitanya Johar, Brent Stockton, Rudy Powell, Ariel Leff
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Patent number: 11808396Abstract: Methods and systems are provided for a flexible support for a vehicle. In one example, the flexible support is formed of a composite material and configured to surround a vehicle component and absorb oscillations generated by the vehicle. The composite material may be a mixture of aluminum particles dispersed in an elastomer matrix.Type: GrantFiled: July 28, 2021Date of Patent: November 7, 2023Assignee: Ford Global Technologies, LLCInventors: Arturo Alberto Garcia Ramirez, Ricardo Daniel Sanchez Lugo, Cindy Barrera-Martinez
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Patent number: 11808183Abstract: A system is provided. The system includes a reciprocating engine configured to consume oil at or less than 0.25 g/kw-hr and to use makeup oil. The reciprocating engine includes an engine oil sump. The system is configured to maintain an oil volume in the reciprocating engine during operation so that a residence time of oil in the reciprocating engine is at or less than 1000 hours.Type: GrantFiled: May 18, 2020Date of Patent: November 7, 2023Assignee: INNIO WAUKESHA GAS ENGINES INC.Inventors: Richard John Donahue, Owen Stewart Graham, Kenneth Edward Neuman
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Patent number: 11807119Abstract: Electrical power systems having variable-voltage DC busses and methods of controlling voltage settings of such busses. One electrical power system comprises: a variable-voltage DC bus; a number N?2 of electrical machines, each electrical machine connected to the variable-voltage DC bus via one of a corresponding number N of converters, each electrical machine and corresponding converter having an index n=(1, . . . , N); and a controller configured to select a voltage setting Vdc_bus for the variable-voltage DC bus and to provide control signals to the converters to control the voltage setting of the variable-voltage DC bus according to the selected voltage setting Vdc_bus. The controller configured to select a voltage setting Vdc_bus greater than or equal to a minimum voltage requirement Vdc_min for the bus. The controller is configured to determine the minimum voltage requirement Vdc_min using present operating speeds of each of the N electrical machines.Type: GrantFiled: October 22, 2021Date of Patent: November 7, 2023Assignee: ROLLS-ROYCE plcInventors: Xiong Liu, Michael A Zagrodnik, Amit K Gupta
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Patent number: 11802510Abstract: A heat insulating material assembly is provided with: a heat insulating material covering an outer surface of a casing of a gas turbine; and a guard part disposed so as to protrude from the outer surface of the casing and face an end surface of the heat insulating material. The heat insulating material is disposed outside an arrangement area of a plurality of openings for air intake from an external space into the casing and on an opposite side to the arrangement area across the guard part.Type: GrantFiled: April 14, 2021Date of Patent: October 31, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tadashi Ota, Susumu Sekine, Hyota Abe, Takayuki Ikarashi, Shingo Yamasue, Kazuki Kitagawa
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Patent number: 11787384Abstract: An electric drive system, method and apparatus includes a rechargeable energy storage unit, a power inverter, and a rotary electric machine. Transfer of electrical power between the rechargeable energy storage unit and the rotary electric machine is governed by a pulse width modulation (PWM) switching frequency, which is one of a non-six-step switching mode or a six-step switching mode. Executable instructions determine a rotational speed, a torque command, a torque direction, a bus voltage, and a hysteresis band, determine a modulation index command in response to the rotational speed, the torque command, the torque direction, and the bus voltage, and command operation of the rotary electric machine in one of the non-six-step switching mode or the six-step switching mode employing the modulation index command.Type: GrantFiled: November 22, 2021Date of Patent: October 17, 2023Assignee: GM Global Technology Operations LLCInventors: Brent S. Gagas, Kerrie M. Spaven, Brian A. Welchko
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Patent number: 11781468Abstract: A thermostat is provided at a connection portion between a cooling water supply passage and a bypass passage. When the temperature of the cooling water lies in a low temperature range lower than a first reference temperature, the thermostat allows introduction of the cooling water from the cooling water discharge passage into the cooling water supply passage via the bypass passage and also prevents introduction of the cooling water from the radiator into the engine via the cooling water supply passage. When the temperature of the cooling water lies in a high temperature range equal to or higher than a second reference temperature which is higher than the first reference temperature, the thermostat allows introduction of the cooling water from the radiator into the engine via the cooling water supply passage and also prevents introduction of the cooling water from the cooling water discharge passage into the cooling water supply passage via the bypass passage.Type: GrantFiled: November 5, 2020Date of Patent: October 10, 2023Assignee: Kubota CorporationInventor: Kazuhiro Tanaka
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Patent number: 11773771Abstract: A turbomachine with a counter-rotating turbine for an aircraft includes a counter-rotating turbine and a mechanical reduction gear with an epicyclic, planetary-type gear train. The gear train includes a planet carrier secured to a stator housing of the turbomachine situated upstream from the counter-rotating turbine in relation to a direction of gas flow within the turbomachine. The planet carrier is secured to the stator housing by an annular part with an elongated shape extending inside the second shaft. The annular part includes an upstream end secured to the intermediate casing and a downstream end coupled to the planet carrier. The annular part also includes an integrated circuit for conveying lubrication oil from its upstream end to the planet carrier.Type: GrantFiled: December 7, 2020Date of Patent: October 3, 2023Assignee: SAFRAN AIRCRAFT ENGINESInventors: Paul Ghislain Albert Levisse, Olivier Belmonte, Fabrice Joël Luc Chevillot, Clément Paul René Niepceron, Amélie Argie Antoinette Chassagne
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Patent number: 11772763Abstract: A propeller includes a propeller shaft, a plurality of first blades, and a plurality of second blades. The first blades are connected to the outer peripheral surface of the propeller shaft so as to be rotated synchronously with the propeller shaft. The second blades are connected to the outer peripheral surface of the propeller shaft, so that they are rotated in the same direction as the first blades. The second blades are located in front of the first blades and correspond to the first blades in a one-to-one manner. The size of the second blades is smaller than the size of the first blades, and the rotation direction of the second blades is the same as the rotation direction of the first blades. Thereby, the propeller of the present invention can improve the operation efficiency of the boat at high speed without increasing the size of the first blades.Type: GrantFiled: August 30, 2022Date of Patent: October 3, 2023Assignee: SOLAS SCIENCE & ENGINEERING CO., LTD.Inventor: Yeun-Junn Lin
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Patent number: 11767806Abstract: A variable area nozzle assembly for a gas turbine engine includes a fixed structure surrounding an exhaust duct extending along a nozzle centerline. The fixed structure includes an upper side and a lower side opposite the upper side. The variable area nozzle assembly further includes a nozzle disposed about the nozzle centerline. The nozzle includes a nozzle throat cross-sectional area and a nozzle outlet cross-sectional area downstream of the nozzle throat cross-sectional area. The nozzle includes an upper panel and a lower panel. The upper panel includes an upper downstream end and the lower panel including a lower downstream end. The upper downstream end and the lower downstream end define a portion of the nozzle throat cross-sectional area. The variable area nozzle assembly further includes a nozzle actuation system including an upper shaft connected to the upper panel and a lower shaft connected to the lower panel.Type: GrantFiled: March 7, 2022Date of Patent: September 26, 2023Assignee: Rohr, Inc.Inventor: Timothy Gormley
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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: 11746405Abstract: A sprayed coating for a sliding member of the present invention includes a ferrous alloy containing iron (Fe) as a major ingredient. The sprayed coating for the sliding member containing 10 mass % or more and 20 mass % or less of chromium (Cr), and 0.1 mass % or more and 0.5 mass % or less of silicon (Si) and having the content rate of an oxide in the sprayed coating of 1 area % or less has corrosion resistance with improved seizure resistance.Type: GrantFiled: November 2, 2018Date of Patent: September 5, 2023Assignee: NISSAN MOTOR CO., LTD.Inventors: Tsuyoshi Higuchi, Hayato Hirayama, Akinobu Itou
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Patent number: 11745724Abstract: Methods and systems are provided for controlling and diagnosing a mechanical vehicle component. In one example, a method may include determining an input device state and an electric machine torque at a diagnostic controller, and identifying a fault condition based on these determinations. Further, the diagnostic controller may trigger an active fault state of the mechanical vehicle component to avoid unintended vehicle acceleration, particularly at low speeds.Type: GrantFiled: May 13, 2021Date of Patent: September 5, 2023Assignee: Dana Belgium N.V.Inventors: Peter Deckmyn, Bjorn Aelvoet, Brecht Fevery
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Patent number: 11739664Abstract: A service tube assembly comprises a service tube having a threaded end portion and a shoulder. The outer shoulder has a conical surface converging in a direction away from the threaded end portion. The threaded end portion is threadably engaged with a mating part. The mating part has a seat surface which cooperates with the shoulder of the service tube to form a conical seat. The assembly further includes a locking member having an outer conical surface complementary to the conical seat. A mechanical fastener is provided for releasably holding the locking member against the conical seat.Type: GrantFiled: March 17, 2022Date of Patent: August 29, 2023Assignee: PRATT & WHITNEY CANADA CORP.Inventors: Guy Lefebvre, Remy Synnott, Philippe Savard