Patents by Inventor Hideyuki Imai

Hideyuki Imai 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).

  • Patent number: 11913524
    Abstract: Provided is a toroidal continuously variable transmission that can create a jet of oil resistant to the influence of wind generated by rotation of a power roller, thereby feeding a sufficient amount of oil to the power roller to cool the power roller with the oil; and a drive mechanism-integrated electricity generation apparatus for an aircraft, the electricity generation apparatus including the toroidal continuously variable transmission. The toroidal continuously variable transmission includes a discharge structure including an outlet that discharges an oil. The discharge structure includes first and second oil passages connected with each other inside the discharge structure, and arranged such that the oil flowing through the first oil passage and the second oil passage collide with each other in the vicinity of the outlet and that a jet of oil discharged from the outlet forms a flattened shape extending along a rotational direction of the power roller.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: February 27, 2024
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yoshiyuki Noguchi, Yuji Shinoda, Hideyuki Imai
  • Patent number: 11859559
    Abstract: An electric power generating apparatus for use in an aircraft is an electric power generating apparatus connected through an emergency cut-off device to a gear box such that the gear box can transmit power to the electric power generating apparatus, the gear box being configured to decrease speed of rotational power of an aircraft engine. The electric power generating apparatus includes: a manual transmission configured to change the speed of the rotational power transmitted from the emergency cut-off device and including a plurality of gear stages; and an electric power generator to which the rotational power which has been changed in speed by the manual transmission is transmitted.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: January 2, 2024
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kippei Matsuda, Kenji Usuki, Tatsuhiko Goi, Kenichiro Tanaka, Hideyuki Imai
  • Publication number: 20230407950
    Abstract: A toroidal continuously variable transmission including at least one containment body covering a target disc that is at least one of an input disc and an output disc. The containment body includes a ring that covers an outer peripheral surface of the target disc so as to be spaced apart from the outer peripheral surface of the target disc in a radial direction. A maximum dimension of the ring in an axial direction is larger than a maximum dimension of the outer peripheral surface of the target disc in the axial direction.
    Type: Application
    Filed: November 5, 2021
    Publication date: December 21, 2023
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kenji KOMATSU, Hideyuki IMAI, Kazuhiko IRIE, Toyu AIBE, Keigo MAEHATA
  • Patent number: 11834999
    Abstract: An electric power generation controller for use in an aircraft is a controller of an electric power generating system configured such that: a manual transmission changes speed of rotational power of an aircraft engine; a continuously variable transmission changes the speed of the rotational power which has been changed in speed by the manual transmission; and the continuously variable transmission transmits the rotational power to an electric power generator.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: December 5, 2023
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kippei Matsuda, Hideyuki Imai, Kenichiro Tanaka
  • Publication number: 20230349450
    Abstract: There is provided a toroidal continuously variable transmission capable of ensuring processability and conveyability of a power roller inner ring while reducing oil leakage from an inner end surface of the power roller inner ring and a decrease in rigidity of the power roller inner ring. A power roller 40 of the toroidal continuously variable transmission includes a power roller inner ring 50 sandwiched between both disks 1 and 2, a power roller outer ring 60 that is provided in a trunnion 35 and rotatably supports the power roller inner ring 50, and an inner ring hole 52 provided in the power roller inner ring 50 so as to extend in an axial direction of the power roller inner ring 50, in which an end surface hole 58 communicating with an inner ring hole 52 is provided in an inner end surface 54 of the power roller inner ring 50, and the end surface hole 58 is closed by a closing member 80 separate from the power roller inner ring 50.
    Type: Application
    Filed: July 15, 2021
    Publication date: November 2, 2023
    Applicants: NSK LTD., KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Daiki SHIROTA, Kippei MATSUDA, Hideyuki IMAI
  • Patent number: 11654708
    Abstract: A printing paper having a base layer, an intermediate layer, and a surface layer, the intermediate layer being arranged adjacent to the base layer and on the base layer, and the surface layer being arranged adjacent to the intermediate layer and on the intermediate layer, the base layer, the intermediate layer, and the surface layer each being a thermoplastic resin film having pores, an average pore size of the surface layer being from 0.2 to 5 ?m, an average pore size of the intermediate layer being from 5 to 70 ?m and being greater than the average pore size of the surface layer, and an average pore size of the base layer being from 70 to 200 ?m and being greater than the average pore size of the intermediate layer.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: May 23, 2023
    Assignee: YUPO CORPORATION
    Inventors: Nobuhiro Iwatani, Tatsuya Suzuki, Hideyuki Imai
  • Publication number: 20230123626
    Abstract: The present invention provides a crosslinked polymer composition exhibiting significantly improved elongation at break over conventional ones, and a polymer composition and a polyrotaxane, each of which can be used as a raw material of the crosslinked polymer composition. The polyrotaxane contains a linear molecule, a cyclic molecule, and a blocking group, wherein the cyclic molecule has a hydrosilyl group. The polymer composition contains the polyrotaxane and a polymer, wherein the polymer has a double bond on at least either a main chain or a side chain. The crosslinked polymer composition is produced by crosslinking of the polymer composition through chemical reaction between the hydrosilyl group of the cyclic molecule and the double bond of the polymer.
    Type: Application
    Filed: December 2, 2020
    Publication date: April 20, 2023
    Inventors: Takanori NAKAI, Naoki IWASE, Naoyuki AKAHORI, Hideyuki IMAI, Hidekazu KURIMOTO, Makoto ISHIDA, Kohzo ITO, Rina MAEDA, Shota ANDO, Katsunari INOUE
  • Publication number: 20230067211
    Abstract: A polyrotaxane of high heat resistance contains a linear molecule, a cyclic molecule enclosing the linear molecule such that the cyclic molecule is skewered with the linear molecule, and 5 blocking groups disposed at both ends of the linear molecule. The cyclic molecule contains an aromatic ring having, on a side chain, a phenolic hydroxyl group. The polyrotaxane can be produced by dissolving, in a methanol-containing solvent, a linear molecule and a cyclic 10 molecule containing an aromatic ring having, on a side chain, a phenolic hydroxyl group, to yield a pseudo polyrotaxane in which the cyclic molecule encloses the linear molecule such that the cyclic molecule is skewered with the linear molecule; and dissolving the pseudo polyrotaxane and a blocking group 15 material in a solvent, to dispose blocking groups at both ends of the linear molecule.
    Type: Application
    Filed: December 22, 2020
    Publication date: March 2, 2023
    Inventors: Hideki TAMAI, Takanori NAKAI, Hideyuki IMAI, Makoto ISHIDA, Tomoki OGOSHI, Koki MAEDA, Katsuto ONISHI, Tada-Aki YAMAGISHI, Takahiro KAKUTA, Masafumi YAGYU
  • Publication number: 20230027400
    Abstract: A toroidal continuously variable transmission including a power roller; a support supporting the power roller rotatably; a thrust bearing receiving a load of the power roller in a direction along a rotating axis; and an oil passage supplying lubricating oil to the thrust bearing. A surface of the power roller opposing the support includes a first bearing grooved and the support opposing the power roller includes a second bearing groove. A virtual axis of a discharge port in the oil passage reaches a bearing groove that is one of the first bearing groove and the second bearing groove. Viewed from a direction perpendicular to the rotation axis, a portion of a retainer located at a radially inner side of a retaining hole of the retainer and a portion located at a radially inner side of the bearing groove are located at sides opposite to each other across the virtual axis.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 26, 2023
    Applicant: KAWASAKI JUKOGYO KABUSHIK KAISHA
    Inventors: Kenji KOMATSU, Hideyuki IMAI, Hidenori ARISAWA, Yuji SHINODA, Mitsuaki TANAKA, Yoshiyuki NOGUCHI
  • Publication number: 20220356930
    Abstract: Provided is a toroidal continuously variable transmission that can create a jet of oil resistant to the influence of wind generated by rotation of a power roller, thereby feeding a sufficient amount of oil to the power roller to cool the power roller with the oil; and a drive mechanism-integrated electricity generation apparatus for an aircraft, the electricity generation apparatus including the toroidal continuously variable transmission. The toroidal continuously variable transmission includes a discharge structure including an outlet that discharges an oil. The discharge structure includes first and second oil passages connected with each other inside the discharge structure, and arranged such that the oil flowing through the first oil passage and the second oil passage collide with each other in the vicinity of the outlet and that a jet of oil discharged from the outlet forms a flattened shape extending along a rotational direction of the power roller.
    Type: Application
    Filed: June 25, 2020
    Publication date: November 10, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yoshiyuki NOGUCHI, Yuji SHINODA, Hideyuki IMAI
  • Publication number: 20220333671
    Abstract: A toroidal continuously variable transmission includes a rotating shaft, a pair of discs, at least one power roller, and at least one bearing arranged between the rotating shaft and a casing. At least one of the pair of discs includes: a disc main body including a concave surface opposed to the power roller; and a cylindrical portion projecting from the disc main body along the rotation axis toward an opposite side of the power roller. The cylindrical portion is inserted between the bearing and the rotating shaft.
    Type: Application
    Filed: October 6, 2020
    Publication date: October 20, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kenji KOMATSU, Hideyuki IMAI, Kenichiro TANAKA, Kippei MATSUDA
  • Patent number: 11465767
    Abstract: An electric power generation controller for use in an aircraft is a controller of an electric power generating apparatus including a manual transmission configured to change speed of rotational power of an aircraft engine, transmit the rotational power to an electric power generator, and switch a gear stage by a friction clutch pressed by an actuator. The electric power generation controller includes a manual transmission control section configured to control the manual transmission. The manual transmission control section includes: a shift command section configured to output a shift signal which switches the gear stage of the manual transmission; and a clutch control section configured to, when switching the gear stage of the manual transmission, control clutch pressure of the actuator such that the friction clutch becomes a half-engaged state.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: October 11, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kippei Matsuda, Hideyuki Imai, Kenichiro Tanaka
  • Publication number: 20220315741
    Abstract: A rubber composition in which a diene rubber containing hydroxyl groups and a polyrotaxane containing a hydrocarbon-modified cyclodextrin as cyclic molecules are urethane-crosslinked by an isocyanate that is a crosslinking agent.
    Type: Application
    Filed: March 8, 2022
    Publication date: October 6, 2022
    Inventors: Takanori NAKAI, Hideki TAMAI, Hiromitsu TAKEUCHI, Makoto ISHIDA, Hideyuki IMAI, Katsunari INOUE
  • Patent number: 11428309
    Abstract: A toroidal continuously variable transmission includes: first and second pistons attached to a shaft portion of a trunnion so as to be externally fitted to the shaft portion, the first and second pistons being arranged so as to be lined up in a direction along a tilt axis; and a cylinder forming a first pressure chamber which makes the first piston move toward a first side in the direction along the tilt axis and a second pressure chamber which makes the second piston move toward a second side in the direction along the tilt axis. The cylinder includes a first lubricating oil passage, and the shaft portion of the trunnion includes a second lubricating oil passage. A third lubricating oil passage through which the first lubricating oil passage communicates with the second lubricating oil passage is formed between the first piston and the second piston.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: August 30, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hideyuki Imai, Keigo Maehata, Kenichiro Tanaka, Kenji Komatsu
  • Publication number: 20220252145
    Abstract: Provided is a toroidal continuously variable transmission that can achieve suitable oil feed both for lubrication at contact interfaces between a power roller and discs and for cooling of the power roller; and a drive mechanism-integrated electricity generation apparatus for an aircraft, the electricity generation apparatus including the toroidal continuously variable transmission. The toroidal continuously variable transmission includes at least one lubrication outlet that discharges an oil toward at least one contact interface between an input or output disc and the power roller; and at least one cooling outlet that discharges the oil toward the power roller. The cooling outlet and the lubrication outlet are arranged such that a distance between the cooling outlet and a point at which the oil discharged from the cooling outlet contacts the power roller is smaller than a distance between the lubrication outlet and the contact interface.
    Type: Application
    Filed: June 25, 2020
    Publication date: August 11, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yoshiyuki NOGUCHI, Yuji SHINODA, Kenji KOMATSU, Hideyuki IMAI
  • Patent number: 11384818
    Abstract: A pressing device for a toroidal continuously variable transmission, comprises: a disk having a toroidal curved surface and a first cam surface; a cam plate having a cylindrical portion, and an outward facing flange portion having a second cam surface; and a plurality of rolling bodies. The cylindrical portion has a cylinder portion, a projection projecting inward in the radial direction in one axial end portion of the cylinder portion and having a step surface, and an oil supply passage. At least a part of a radial inside opening of the oil supply passage opens to a portion of the cylinder portion positioned further on the other side in the axial direction than the step surface. The oil supply passage has an oil-passage hole penetrating the cylinder portion and an oil-passage groove continuous with the oil-passage hole and recessed from the step surface.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: July 12, 2022
    Assignees: NSK LTD., KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Masahiro Kita, Kippei Matsuda, Hideyuki Imai, Kenichiro Tanaka
  • Patent number: 11362566
    Abstract: A toroidal continuously variable transmission comprises an input disc and an output disc which are disposed to face each other; a power roller which is tiltably disposed between the input disc and the output disc and transmits a rotational driving force of the input disc to the output disc in a transmission ratio corresponding to a tilt motion angle of the power roller; a trunnion including a base on which the power roller is rotatably mounted, and a pair of side walls provided on both sides of the power roller in an axial direction of a tilt motion shaft of the power roller in such a manner that the pair of side walls extend upward from the base and face a peripheral surface of the power roller, and a beam mounted on the pair of side walls, the beam extending in the axial direction of the tilt motion shaft, on a side opposite to the base when viewed from a position of the power roller, wherein the beam includes a pair of contact portions, each of the contact portions being configured to contact an end surfac
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: June 14, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kenichiro Tanaka, Hideyuki Imai, Akihito Abe
  • Patent number: 11359703
    Abstract: The present disclosures relates to a toroidal continuously variable transmission which includes: a rotating shaft; a pair of outside disks supported by a rotating shaft to rotate in synchronization with the rotating shaft; an inside disk supported by the rotating shaft to rotate relative to the rotating shaft; a pair of rolling bearing units, each including a radial rolling bearing capable of supporting an axial load to support the inside disk so that relative rotation with respect to the rotating shaft is possible; a plurality of power rollers arranged between the axial inside surfaces the outside disks and the axial outside surfaces of the inside disk to transmit power between them; and a preloading mechanism elastically pressing the outer ring of the radial rolling bearing in the axial direction.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: June 14, 2022
    Assignees: NSK LTD., KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takeshi Nishimura, Kippei Matsuda, Hideyuki Imai, Akihito Abe
  • Patent number: 11333225
    Abstract: Provided is a pressing device for a toroidal continuously variable transmission that is capable of sufficiently supplying lubrication oil to all rollers inside a pocket, and is capable of suppressing the occurrence of fretting wear on the rolling surfaces of the rollers, a first cam surface and a second cam surface. An oil passage 28 is provided for supplying lubrication oil to the inside of each pocket 25 in the inside portion in the radial direction of a retainer 14 that holds a plurality of more than one roller 13 arranged in a row in the radial direction. The center axis O29 of a discharge port 29 that is provided on an end portion on the downstream side of the oil passage 28 and that opens to the inside surface in the radial direction of the pocket 25 is inclined toward the front side in the rotational direction of the retainer 14 with respect to the center axis of the pocket 25.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: May 17, 2022
    Assignees: NSK LTD., KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hirofumi Itagaki, Masahiro Kita, Kippei Matsuda, Kenichiro Tanaka, Hideyuki Imai, Kenji Komatsu
  • Patent number: 11333226
    Abstract: A toroidal continuously variable transmission includes: input and output discs; a power roller sandwiched between the input disc and the output disc so as to be tiltable; a trunnion supporting the power roller and configured to be tiltable about a tilt axis of the power roller and reciprocatable in a direction along the tilt axis; a piston attached to a shaft portion of the trunnion so as to be externally fitted to the shaft portion; and a cylinder forming a pressure chamber which makes the piston reciprocate in the direction along the tilt axis. An inside gap is formed between an outer peripheral surface of the shaft portion of the trunnion and an inner peripheral surface of the piston.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: May 17, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hideyuki Imai, Keigo Maehata, Kenichiro Tanaka, Kenji Komatsu