Patents by Inventor Ken Nakayama
Ken Nakayama has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20170126105Abstract: A power transmission device for a vehicle is comprised of a motor including a rotor shaft and a stator having an electromagnetic coil; an inverter configured to generate an alternating current, the inverter being connected with the coil to controllably rotate the rotor shaft relative to the stator; a gear set including an input shaft coupled with and rotated by the rotor shaft, an output shaft and gears so meshed as to transmit torque of the input shaft to the output shaft; and a grounding path electrically connecting a part of the gear set with a body of the vehicle, the part being so disposed as to have the input shaft electrically interposed between the part and the rotor shaft.Type: ApplicationFiled: December 8, 2016Publication date: May 4, 2017Applicant: NISSAN MOTOR CO., LTD.Inventors: Tomohiro OKADA, Naoaki Oikawa, Takahiro Saruwatari, Tatsuhiko Ikeda, Ken Nakayama, Kazuhiko Soeda, Akinori Inada
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Patent number: 9548503Abstract: A fuel cell system includes: a fuel cell stack (S) formed by stacking multiple unit cells (C) horizontally and having, in the stacked body, manifolds through which to supply and discharge reaction gases to and from each of the unit cells (C); and drainage paths (1A, 1B) extending from an anode-off-gas discharge manifold (M), on both end sides of the fuel cell stack (S) in the stacking direction of the unit cells, respectively.Type: GrantFiled: July 20, 2011Date of Patent: January 17, 2017Assignee: NISSAN MOTOR CO., LTD.Inventors: Hayato Chikugo, Kenji Yonekura, Ken Nakayama
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Patent number: 9511671Abstract: A device for restricting movement of a vehicle during connection of a charging cable, the vehicle being equipped with a battery chargeable from an external power source via the charging cable, the device including a charging cable connection detecting section that detects that the charging cable is in a connection state, a vehicle body movement detecting section that detects movement of a vehicle body of the vehicle based on moving speed and moving distance of the vehicle, and a braking section that brakes the vehicle when the movement of the vehicle body is detected while the charging cable is in the connection state based on signals from the charging cable connection detecting section and the vehicle body movement detecting section.Type: GrantFiled: February 21, 2013Date of Patent: December 6, 2016Assignee: Nissan Motor Co., Ltd.Inventors: Naoki Yamamoto, Ken Nakayama, Isamu Kazama
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Publication number: 20160197322Abstract: The present disclosure includes a battery module having a vent path with an exit port. The battery module also includes a vent pad disposed within the vent path and blocking at least a portion of the exit port, coupled to a boundary surface of the exit port via an adhesive layer between the vent pad and the boundary surface, and configured to enable venting through the exit port by separating from the boundary surface along the adhesive layer in response to a pressure against the vent pad exceeding a venting pressure threshold of the battery module.Type: ApplicationFiled: March 31, 2015Publication date: July 7, 2016Inventors: Matthew R. Tyler, Ken Nakayama, Robert J. Mack, Richard M. DeKeuster, Binbin Fan
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Publication number: 20160197320Abstract: The present disclosure includes a battery module having a group of electrically interconnected electrochemical cells, a battery module terminal configured to be coupled to a load for powering the load, and an electrical path extending between the group of electrically interconnected electrochemical cells and the battery module terminal, where the electrical path includes a bus bar bridge. The battery module also includes a housing, where the group of electrically interconnected electrochemical cells is disposed within the housing, and the housing includes a pair of extensions positioned along sides of the bus bar bridge and configured to retain the bus bar bridge and to block movement of the bus bar bridge in at least one direction.Type: ApplicationFiled: May 5, 2015Publication date: July 7, 2016Inventors: Robert J. Mack, Richard M. DeKeuster, Jennifer L. Czarnecki, Ken Nakayama, Matthew R. Tyler, Christopher M. Bonin, Xugang Zhang, Dale B. Trester, Jason D. Fuhr
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Publication number: 20160197321Abstract: A lithium ion battery module includes a battery cell stack disposed within a housing of the battery module. The stack includes a first battery cell, a second battery cell positioned adjacent to the first battery cell, and a battery cell separator fitted over the first battery cell. The battery cell separator includes a plurality of walls formed from a continuous material and defining a pocket in which the first battery cell is disposed. The plurality of walls is configured to electrically insulate the first cell from the second cell. The separator also includes a projection extending from a wall of the plurality of walls, the projection is positioned between a terminal of the first battery cell and a terminal of the second battery cell and is configured to electrically insulate the terminals from one another.Type: ApplicationFiled: March 20, 2015Publication date: July 7, 2016Inventors: Matthew R. Tyler, Richard M. DeKeuster, Dale B. Trester, Christopher M. Bonin, Ken Nakayama
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Publication number: 20160197331Abstract: The present disclosure relates to a battery module having a housing and a stack of battery cells disposed in a receptacle area of the housing, where each battery cell has a top having a battery cell terminal and a bottom, where the top of the battery cells face outwardly away from the receptacle area. The battery module includes an integrated sensing and bus bar subassembly positioned against the stack of battery cells and has a carrier, a bus bar integrated onto the carrier, and a biasing member integrated onto the carrier. The bus bar electrically couples battery cells in an electrical arrangement, and the biasing member is between the top of each battery cell and the carrier, where the biasing member has a first material, more compliant than a second material of the carrier, and the biasing member biases the stack of battery cells inwardly toward the housing.Type: ApplicationFiled: March 31, 2015Publication date: July 7, 2016Inventors: Robert J. Mack, Richard M. DeKeuster, Jennifer L. Czarnecki, Ken Nakayama, Matthew R. Tyler, Christopher M. Bonin, Xugang Zhang, Dale B. Trester, Jason D. Fuhr
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Publication number: 20160148077Abstract: In various embodiments, training objects are classified by human annotators, psychometric data characterizing the annotation of the training objects is acquired, a human-weighted loss function based at least in part on the classification data and the psychometric data is computationally derived, and one or more features of a query object are computationally classified based at least in part on the human-weighted loss function.Type: ApplicationFiled: June 26, 2014Publication date: May 26, 2016Inventors: David COX, Walter SCHEIRER, Samuel ANTHONY, Ken NAKAYAMA
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Publication number: 20160141572Abstract: A lithium ion battery system includes a liquid trap system configured to collect liquid from a vent pathway associated with a lithium ion battery module. The vent pathway is configured to flow battery cell effluent away from the lithium ion battery module and out of the lithium ion battery system. The liquid trap system has a liquid removal path configured to fluidly couple to the vent pathway, a liquid collection vessel fluidly coupled to the liquid removal path and configured to collect liquid removed from the vent pathway, and a liquid outlet path of the liquid collection vessel configured to allow liquid to exit the liquid collection vessel. The liquid collection vessel has a position relative to the vent pathway that allows liquid within the vent pathway to move toward the liquid collection vessel by the force of gravity.Type: ApplicationFiled: September 30, 2015Publication date: May 19, 2016Inventor: Ken Nakayama
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Publication number: 20160093870Abstract: The present disclosure includes a battery module having a housing configured to receive one or more electrochemical cells. The housing includes a bottom internal surface and a recessed portion disposed in the bottom internal surface and proximate to a low point on the bottom internal surface, wherein the recessed portion defines an airspace configured to retain fluid within the housing away from the one or more electrochemical cells.Type: ApplicationFiled: September 30, 2014Publication date: March 31, 2016Inventors: Richard M. DeKeuster, Robert J. Mack, Kem M. Obasih, Ken Nakayama
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Publication number: 20160064722Abstract: The present disclosure includes a group of electrically interconnected battery cells disposed within a housing. The disclosure also includes a major terminal of a battery module configured to be coupled to a load for powering the load. One or more portions of the major terminal are disposed within a recess in a surface of the housing. The present disclosure also includes a bus bar that provides an electrical pathway between the group of electrically interconnected battery cells and the major terminal. The bus bar is disposed within the housing.Type: ApplicationFiled: July 17, 2015Publication date: March 3, 2016Inventors: Robert J. Mack, Richard M. DeKeuster, Ken Nakayama, Jonathan P. Lobert
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Publication number: 20150288008Abstract: A fuel cell system 100 includes: a fuel cell 1 for generating a power by causing an electrochemical reaction between an oxidant gas supplied to an oxidant electrode 34 and a fuel gas supplied to a fuel electrode 67; a fuel gas supplier HS for supplying the fuel gas to the fuel electrode 67; and a controller 40 for controlling the fuel gas supplier HS to thereby supply the fuel gas to the fuel electrode 67, the controller 40 being configured to implement a pressure change when an outlet of the fuel electrode 67 side is closed, wherein based on a first pressure change pattern for implementing the pressure change at a first pressure width ?P1, the controller 40 periodically changes a pressure of the fuel gas at the fuel electrode 67.Type: ApplicationFiled: June 17, 2015Publication date: October 8, 2015Applicant: NISSAN MOTOR CO , LTD.Inventors: Yasushi ICHIKAWA, Keigo IKEZOE, Kenichi GOTO, Ken NAKAYAMA, Mitsunori KUMADA, Yousuke TOMITA
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Publication number: 20150057859Abstract: A device for restricting movement of a vehicle during connection of a charging cable, the vehicle being equipped with a battery chargeable from an external power source via the charging cable, the device including a charging cable connection detecting section that detects that the charging cable is in a connection state, a vehicle body movement detecting section that detects movement of a vehicle body of the vehicle based on moving speed and moving distance of the vehicle, and a braking section that brakes the vehicle when the movement of the vehicle body is detected while the charging cable is in the connection state based on signals from the charging cable connection detecting section and the vehicle body movement detecting section.Type: ApplicationFiled: February 21, 2013Publication date: February 26, 2015Applicant: Nissan Motor Co., Ltd.Inventors: Naoki Yamamoto, Ken Nakayama, Isamu Kazama
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Patent number: 8794701Abstract: A backrest for a chair, including a bag-like upholstery material, with which a back frame is upholstered by fitting the bag-like upholstery material onto the back frame that has a pair of right and left side frames extending in an up-down direction. A low-friction member is disposed on at least one of an inner surface of both side portions of the upholstery material and an outer surface of the right and left side frames contacting the inner surface of the side portions of the upholstery material, the low-friction member being configured to reduce a sliding resistance in an area of contact between the upholstery material and the side frames.Type: GrantFiled: October 19, 2010Date of Patent: August 5, 2014Assignee: Okamura CorporationInventors: Ken Nakayama, Kouichirou Wakizono, Ryou Igarashi
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Publication number: 20140070534Abstract: A power generating apparatus of renewable energy type includes a rotating shaft rotated by the renewable energy received via a blade, a hydraulic pump driven by the rotating shaft to generate pressurized oil, hydraulic motors driven by the pressurized oil, and synchronous generators connected to a grid without an intervening frequency-conversion circuit and respectively coupled to the hydraulic motors. The displacements of the hydraulic motors are adjusted independently by a motor control unit. A synchronizer supplies a command value of the displacement of each hydraulic motor to the motor control unit so that before the synchronous generators are connected to the grid, a frequency and a phase of a terminal voltage of each synchronous generator are synchronized with the grid.Type: ApplicationFiled: February 24, 2012Publication date: March 13, 2014Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Fumio Hamano, Shigeru Hokazono, Ken Nakayama, Kazuhisa Tsutsumi, Francesco Baldini, Nialll Caldwell, Daniil umnov, Daniel Abrahams, Stephen Laird
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Patent number: 8607817Abstract: A control method of a filled water volume in a fluid space requiring a water filling test is disclosed. The method includes disposing a pipe in the fluid space and enclosing the pipe with an enclosure, detecting pressure of a water filled portion in the fluid space or outside of the enclosure, and controlling the volumes of filling fluid and water to a water filling portion in the fluid space inside and outside the enclosure based on the detected pressure such that the pressure in the enclosure becomes higher than the pressure at the water filling part in the fluid space outside the enclosure.Type: GrantFiled: October 18, 2007Date of Patent: December 17, 2013Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Ken Nakayama, Seiichi Noda, Yoshimichi Kawakami
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Publication number: 20130202976Abstract: A fuel cell system includes: a fuel cell stack (S) formed by stacking multiple unit cells (C) horizontally and having, in the stacked body, manifolds through which to supply and discharge reaction gases to and from each of the unit cells (C); and drainage paths (1A, 1B) extending from an anode-off-gas discharge manifold (M), on both end sides of the fuel cell stack (S) in the stacking direction of the unit cells, respectively.Type: ApplicationFiled: July 20, 2011Publication date: August 8, 2013Inventors: Hayato Chikugo, Kenji Yonekura, Ken Nakayama
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Patent number: 8394546Abstract: A fuel cell system having a fuel cell for causing reactant gas to be electrochemically reacted to generate power, a reactant gas supply path for supplying reactant gas to the fuel cell, a reactant gas recirculation path for recirculating exhaust gas discharged from the fuel cell and combining the recirculating exhaust gas with reactant gas flowing through the reactant gas supply path to the fuel cell, and a pump unit disposed in the reactant gas recirculation path to pump the recirculating exhaust gas through the reactant gas recirculation path. A pump-tempering apparatus increases the temperature of the pump unit and a controller controls the pump-tempering apparatus. After the controller receives a fuel cell system stop signal, the controller controls the pump-tempering apparatus such that the temperature of the pump unit becomes higher than the temperature of piping in the reactant gas recirculation path.Type: GrantFiled: December 19, 2008Date of Patent: March 12, 2013Assignee: Nissan Motor Co., Ltd.Inventors: Hidetaka Nishimura, Takahito Osada, Takatada Usami, Ken Nakayama, Kotaro Akashi
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Publication number: 20130057096Abstract: A power transmission device for a vehicle is comprised of a motor including a rotor shaft and a stator having an electromagnetic coil; an inverter configured to generate an alternating current, the inverter being connected with the coil to controllably rotate the rotor shaft relative to the stator; a gear set including an input shaft coupled with and rotated by the rotor shaft, an output shaft and gears so meshed as to transmit torque of the input shaft to the output shaft; and a grounding path electrically connecting a part of the gear set with a body of the vehicle, the part being so disposed as to have the input shaft electrically interposed between the part and the rotor shaft.Type: ApplicationFiled: May 26, 2011Publication date: March 7, 2013Inventors: Tomohiro Okada, Naoaki Oikawa, Takahiro Saruwatari, Tatsuhiko Ikeda, Ken Nakayama, Kazuhiko Soeda, Akinori Inada
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Patent number: D763192Type: GrantFiled: February 27, 2015Date of Patent: August 9, 2016Assignee: Johnson Controls Technology CompanyInventors: Matthew R. Tyler, Richard M DeKeuster, Dale B. Trester, Christopher M. Bonin, Ken Nakayama