Patents by Inventor Kenta Taniguchi
Kenta Taniguchi 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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Patent number: 11274832Abstract: The present invention is a downstream plate which is provided on a downstream side of an upstream plate includes an air inlet into which cooling air is introduced from a cooling air introduction pipe and a cooling flow path which extends in a direction along a surface of the downstream plate from the air inlet so as to avoid a premix tube and through which cooling air flows.Type: GrantFiled: November 27, 2018Date of Patent: March 15, 2022Assignee: MITSUBISHI POWER, LTD.Inventors: Katsuyoshi Tada, Keijiro Saito, Satoshi Tanimura, Kenta Taniguchi
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Patent number: 11261794Abstract: An acoustic device includes: a perforated plate that has a plurality of holes penetrating in a plate thickness direction of the perforated plate and in which a main flow is to flow on a first side of the perforated plate in the plate thickness direction; and a housing that is on a second side of the perforated plate in the plate thickness direction and partitions a space between the housing and the perforated plate, wherein a part of each of the plurality of holes on the first side in the thickness direction is inclined to at least one of the first side and a second side of a flow direction of the main flow.Type: GrantFiled: March 2, 2017Date of Patent: March 1, 2022Assignee: MITSUBISHI POWER, LTD.Inventors: Keisuke Matsuyama, Shinji Akamatsu, Taiki Kinoshita, Kenta Taniguchi
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Patent number: 11242993Abstract: A combustor provided with: a nozzle having formed therein an air jet section that causes air to be jetted from a nozzle section; a cylindrical part covering the nozzle from the outer peripheral side thereof and forming an air flow path between the cylindrical part and the nozzle; and a pressure loss section provided to the air flow path. The pressure loss section causes a loss of pressure in the air that flows through the air flow path. The nozzle is provided with: at least one air inlet section that takes in air from an outer peripheral surface that is an upstream side from the pressure loss section; and a flow path-forming section forming a discharge air flow path that guides air that is taken in from the at least one air inlet section to the air jet section.Type: GrantFiled: March 12, 2015Date of Patent: February 8, 2022Assignee: MITSUBISHI POWER, LTD.Inventors: Kei Inoue, Satoshi Takiguchi, Shinji Akamatsu, Kenta Taniguchi, Naoki Abe
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Publication number: 20220010961Abstract: A combustor for a gas turbine includes: a flange portion to be mounted to a casing; an extension portion having an annular shape and extending from the flange portion along an axial direction of the combustor; a pipe portion having a first end connected to the flange portion and a second end connected to an outer peripheral surface of the extension portion, the pipe portion extending from the first end to the second end at an outer side of the extension portion in a radial direction; and at least one fuel nozzle configured to receive supply of a fuel via the pipe portion and a passage disposed inside the extension portion.Type: ApplicationFiled: November 13, 2019Publication date: January 13, 2022Inventors: Kenta TANIGUCHI, Kiyoshi FUJIMOTO, Tatsuya KOWARI, Ryota FUKUOKA
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Patent number: 11084375Abstract: A drive force transmission apparatus is mountable on a four-wheel drive vehicle switchable between a four-wheel drive mode that transmits a drive force of an engine to front wheels and rear wheels, and a two-wheel drive mode that transmits the drive force to only the front wheels. The drive force transmission apparatus allows adjustment of the drive force to the rear wheels, and includes a multi-plate clutch, a piston for axially pressing the multi-plate clutch, an actuator for axially moving the piston, and a control unit for controlling the actuator. Upon satisfaction of a predetermined condition that indicates a high probability of the vehicle needing to be switched from the two-wheel drive mode to the four-wheel drive mode, the control unit causes the actuator to displace the piston by a predetermined amount with respect to an initial position of the piston toward the multi-plate clutch.Type: GrantFiled: June 6, 2018Date of Patent: August 10, 2021Assignee: JTEKT CORPORATIONInventors: Tomohiro Nozu, Tsutomu Matsumoto, Tomoaki Kato, Akiyoshi Kakita, Kenta Taniguchi
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Publication number: 20210189966Abstract: An acoustic device includes: a perforated plate that has a plurality of holes penetrating in a plate thickness direction of the perforated plate and in which a main flow flows on one side of the perforated plate in the plate thickness direction; and a housing that is provided on the other side of the perforated plate in the plate thickness direction and partitions a space between the housing and the perforated plate, wherein part of the holes on the one side in the thickness direction is inclined to at least one of the one side and the other side of a flow direction of the main flow.Type: ApplicationFiled: March 2, 2017Publication date: June 24, 2021Inventors: Keisuke MATSUYAMA, Shinji AKAMATSU, Taiki KINOSHITA, Kenta TANIGUCHI
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Patent number: 11022304Abstract: A combustor is provided with a combustion liner (12) in which a combustion gas flows through the inner peripheral side and a plurality of through-holes (14) are formed, and a sound attenuator (20) having a space-forming member (21) configured to form a space (S) connected to the plurality of through-holes (14) at the outer peripheral side of the combustion liner (12). The space-forming member has a main body having an opening configured to bring an outside and the space in communication with each other, and a lid joined to an outer surface of the main body via a welded portion and configured to protrude outward and close the opening.Type: GrantFiled: January 27, 2020Date of Patent: June 1, 2021Assignee: MITSUBISHI POWER, LTD.Inventors: Kenta Taniguchi, Kuniomi Hirano, Shin Kato, Yoshikazu Matsumura, Shingo Sato
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Patent number: 10920986Abstract: A combustor (3) includes a plurality of first burners extending along an axis (P) and arranged at intervals in the circumferential direction, a base plate (31) having support openings configured to support the plurality of first burners and a plurality of through-holes (34) through which base plate air flows toward a downstream side, a plurality of extension pipes supported by the base plate (31) to correspond to the first burners and configured to guide a pre-mixed gas ejected from the first burners toward the downstream side, and a base plate air guide section (35) configured to change a direction of at least some of the base plate air ejected from the through-holes (34) at a downstream side of the base plate (31).Type: GrantFiled: October 5, 2015Date of Patent: February 16, 2021Assignee: MITSUBISHI POWER, LTD.Inventors: Naoki Tsunoda, Satoshi Takiguchi, Shinji Akamatsu, Taku Egawa, Kenta Taniguchi
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Publication number: 20200386164Abstract: The present invention is a downstream plate which is provided on a downstream side of an upstream plate includes an air inlet into which cooling air is introduced from a cooling air introduction pipe and a cooling flow path which extends in a direction along a surface of the downstream plate from the air inlet so as to avoid a premix tube and through which cooling air flows.Type: ApplicationFiled: November 27, 2018Publication date: December 10, 2020Inventors: Katsuyoshi TADA, Keijiro SAITO, Satoshi TANIMURA, Kenta TANIGUCHI
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Publication number: 20200340674Abstract: A gas turbine combustor is equipped with a nozzle in which an air ejection passage extending along an axis and having an open distal end, and a fuel supply passage extending along the axis and having an open distal end are formed; swirling vanes provided around the nozzle so as to be twisted around the axis of the nozzle; an inner cylinder surrounding an outer periphery of the nozzle and the swirling vanes, and in which compressed air flows through an inside of the inner cylinder toward a downstream side; an outer cylinder which defines an inversion flow path, which inverts the compressed air on an outer periphery of the inner cylinder and introduces the compressed air to the inside of the inner cylinder, between the inner and outer cylinders; and an air introduction pipe having one end connected to a space on an upstream side of the compressed air from the inversion flow path, and the other end connected to the air ejection passage.Type: ApplicationFiled: October 23, 2018Publication date: October 29, 2020Inventors: Kei INOUE, Kenji MIYAMOTO, Kenta TANIGUCHI, Satoshi TANIMURA
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Publication number: 20200271323Abstract: A combustion tube for a gas turbine including an outlet section having a cross-section of an annular sector-shape. The outlet section includes an outer wall forming an outer peripheral boundary of the annular sector-shape, an inner wall forming an inner peripheral boundary of the annular sector-shape, and a pair of side walls forming boundaries on both sides of the annular sector-shape in a circumferential direction, respectively. The outer wall extends obliquely with respect to the inner wall such that a height of the annular sector-shape decreases toward an outlet opening of the combustion tube. A first side wall extends obliquely with respect to a second side such that a perimeter of the annular sector-shape increases toward the outlet opening of the combustion tube. An inclination angle ?1 of the first side wall with respect to the second side wall satisfies 0<?1?56.Type: ApplicationFiled: October 18, 2018Publication date: August 27, 2020Inventors: Kentaro TOKUYAMA, Kenji SATO, Kenta TANIGUCHI, Hiroyuki SAKAKI, Takashi HIYAMA, Satoshi TAKIGUCHI, Yusuke TANAKA
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Patent number: 10724392Abstract: A seal member is between a combustor around a rotor axis and a vane on a downstream side in an axial direction and defining a part of a combustion gas flow passage through which combustion gas is configured to flow, the seal member being configured to seal a gap between the combustor and the vane. The seal member has: an end face that faces the downstream side in the axial direction so as to face a lateral end face of the vane facing an upstream side in the axial direction; cooling channels through which cooling air is configured to be discharged from a plurality of openings defined in the end face in an array in a circumferential direction based on the rotor axis; and a clearance forming portion that protrudes further toward the downstream side in the axial direction than the end face in which the openings are defined.Type: GrantFiled: September 8, 2015Date of Patent: July 28, 2020Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Kenta Taniguchi, Kenji Sato
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Patent number: 10718522Abstract: To provide a gas turbine combustor that can suppress a generation amount of NOx and maintain a flame holding property, while suppressing burn damage around a pilot nozzle including the pilot nozzle. A gas turbine combustor includes a pilot nozzle that can inject fuel F and cooling air A for cooling a nozzle tip, a flow regulating valve that can adjust a flow rate of cooling air to be supplied to the pilot nozzle, a detection sensor that detects a combustion state of fuel, and a control device that controls the flow regulating valve based on a detection result of the detection sensor.Type: GrantFiled: September 3, 2014Date of Patent: July 21, 2020Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Shuhei Kajimura, Satoshi Takiguchi, Shinji Akamatsu, Naoki Abe, Kenta Taniguchi
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Publication number: 20200208575Abstract: The upstream-side wall portion 54 includes, in the circumferential direction thereof, a first region 31 where air inlets 30 are formed at a lower density, and a second region 32 which is disposed at a position offset from the first region 31 in the circumferential direction, and in which the air inlets 30 are formed at a higher density than in the first region 31.Type: ApplicationFiled: July 23, 2018Publication date: July 2, 2020Applicant: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Yoshikazu Matsumura, Naoki Abe, Kenji Sato, Shinji Akamatsu, Kenta Taniguchi, Satoshi Takiguchi
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Publication number: 20200158338Abstract: A combustor is provided with a combustion liner (12) in which a combustion gas flows through the inner peripheral side and a plurality of through-holes (14) are formed, and a sound attenuator (20) having a space-forming member (21) configured to form a space (S) connected to the plurality of through-holes (14) at the outer peripheral side of the combustion liner (12). The space-forming member has a main body having an opening configured to bring an outside and the space in communication with each other, and a lid joined to an outer surface of the main body via a welded portion and configured to protrude outward and close the opening.Type: ApplicationFiled: January 27, 2020Publication date: May 21, 2020Inventors: Kenta TANIGUCHI, Kuniomi HIRANO, Shin KATO, Yoshikazu MATSUMURA, Shingo SATO
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Patent number: 10634345Abstract: A combustor is provided with a combustion liner (12) in which a combustion gas flows through the inner peripheral side and a plurality of through-holes (14) are formed, and a sound attenuator (20) having a space-forming member (21) configured to form a space (S) connected to the plurality of through-holes (14) at the outer peripheral side of the combustion liner (12). A method of repairing a combustor involves executing: an opening step of opening a portion of the space-forming member (21) in contact with the outside and bringing the outside and the space (S) in communication with each other; a cylinder repair step of repairing the combustion liner (12); a foreign substance removal step of removing foreign substances in the space (S) from the opening (23) opened in the opening step to the outside, after the cylinder repair step; and a closing step of closing the opening (23) using a lid (24), after the foreign substance removal step.Type: GrantFiled: March 20, 2015Date of Patent: April 28, 2020Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Kenta Taniguchi, Kuniomi Hirano, Shin Kato, Yoshikazu Matsumura, Shingo Sato
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Patent number: 10557357Abstract: A seal structure includes: a first member and a second member facing a combustion gas flow passage; a third member on an outer side of the combustion gas flow passage; a heat-resistant coating on at least one of a first end face and a second end face, both of the first end face and the second end face being closer to the combustion gas flow passage; and a contact part in each of the first end face and the second end face, further on the outer side of the combustion gas flow passage than the heat-resistant coating. The contact part is configured to restrict relative movement of the first member and the second member by directly or indirectly coming into contact with the first member and the second member in a state where a clearance is left between the heat-resistant coating and the end face facing the heat-resistant coating.Type: GrantFiled: July 7, 2015Date of Patent: February 11, 2020Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Takahiro Kondo, Shinya Hashimoto, Kenta Taniguchi
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Publication number: 20200033006Abstract: A combustor nozzle includes a nozzle main body extending along an axis. The nozzle main body includes a first fuel passage which is formed along the axis and through which first fuel flows, a first fuel ejection passage which extends to an outer circumferential surface of the nozzle main body toward a distal end side thereof from the first fuel passage and ejects the first fuel from the outer circumferential surface, an air flow passage which extends in an axial direction on a radial outer side of the first fuel passage with respect to the axis and through which purge air flows, and an air ejection passage which extends from the air flow passage toward a center of a distal end of the nozzle main body and ejects the purge air from the center of the distal end.Type: ApplicationFiled: March 12, 2018Publication date: January 30, 2020Inventors: Kenji MIYAMOTO, Kenta TANIGUCHI, Kei INOUE, Shohei DOMEN, Yuichi ICHIKAWA, Satoshi TANIMURA
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Patent number: 10415830Abstract: A combustion burner includes a nozzle, a swirl vane having a fuel injection hole, the swirl vane being disposed in an air flow passage of an annular shape extending along an axial direction of the nozzle around the nozzle, and a partition plate having an annular shape and partitioning at least a region of the air flow passage in a radial direction of the nozzle, so as to divide at least the region into an inner flow passage facing an outer peripheral surface of the nozzle and an outer flow passage disposed on an outer side of the inner flow passage with respect to the radial direction. The fuel injection hole is disposed in the outer flow passage of the air flow passage. An end portion on an upstream side of the partition plate is disposed upstream of the fuel injection hole in the axial direction.Type: GrantFiled: August 18, 2015Date of Patent: September 17, 2019Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Kei Inoue, Shinji Akamatsu, Naoki Abe, Kenta Taniguchi, Keijiro Saito, Katsuyoshi Tada
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Publication number: 20180361851Abstract: A drive force transmission apparatus is mountable on a four-wheel drive vehicle switchable between a four-wheel drive mode that transmits a drive force of an engine to front wheels and rear wheels, and a two-wheel drive mode that transmits the drive force to only the front wheels. The drive force transmission apparatus allows adjustment of the drive force to the rear wheels, and includes a multi-plate clutch, a piston for axially pressing the multi-plate clutch, an actuator for axially moving the piston, and a control unit for controlling the actuator. Upon satisfaction of a predetermined condition that indicates a high probability of the vehicle needing to be switched from the two-wheel drive mode to the four-wheel drive mode, the control unit causes the actuator to displace the piston by a predetermined amount with respect to an initial position of the piston toward the multi-plate clutch.Type: ApplicationFiled: June 6, 2018Publication date: December 20, 2018Applicant: JTEKT CORPORATIONInventors: Tomohiro Nozu, Tsutomu Matsumoto, Tomoaki Kato, Akiyoshi Kakita, Kenta Taniguchi