Patents by Inventor Kentaro Komori

Kentaro Komori 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: 10923260
    Abstract: This vibration damping device (10) includes a magnetorheological fluid composition in a cylinder (12). The magnetorheological fluid composition includes magnetic particles; a dispersant having the magnetic particles dispersed therein; and a friction modifier. The friction modifier is an ester-based additive having a hydrocarbon chain having 14 to 22 carbon atoms, preferably an alkyl chain or an alkenyl chain. The content of the friction modifier is 0.1 to 5 mass %.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: February 16, 2021
    Assignees: Honda Motor Co., Ltd., Idemitsu Kosan Co., Ltd.
    Inventors: Kentaro Komori, Daijiro Endo, Shuichi Sakanoue, Seiichiro Yamamoto
  • Patent number: 10865851
    Abstract: A damper device provided with a single cylinder type erecting structure having a free piston includes: a partition wall fixed to the cylinder between a piston and the free piston and partitioning inside of the cylinder into spaces in an axial direction of the cylinder; a partition wall orifice composed of an orifice piercing through the partition wall; a piston orifice composed of an orifice piercing through the piston; a partition wall-side flow variable structure configured to regulate a flow rate of a viscous fluid passing through the partition wall orifice; a piston-side flow variable structure configured to regulate a flow rate of the viscous fluid passing through the piston orifice; and a control unit configured to control the partition wall-side flow variable structure and the piston-side flow variable structure.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: December 15, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Naoki Sogawa, Kentaro Komori, Gakuyo Fujimoto
  • Publication number: 20200291280
    Abstract: A sealing member according to the present invention is a sealing member against a synthetic oil containing an ester-type additive, and includes 95.0% by mass or more and 99.5% by mass or less of a para-phenylen diisocyariate-based polyurethane and 0.5% by mass or more and 5% by mass or less of a same compound as the ester-based additive. The sealing member according to the present invention has a smaller friction coefficient and more excellent deformability than conventional sealing members and that can inhibit swelling caused by a synthetic oil.
    Type: Application
    Filed: October 25, 2018
    Publication date: September 17, 2020
    Inventors: Kentaro KOMORI, Gakuyo FUJIMOTO
  • Publication number: 20200248789
    Abstract: A torque converter includes first and second dampers disposed in a torque transmission path during lockup, and a dynamic damper attached to the torque transmission path between the first and second dampers. The dynamic damper includes an inertial rotating body having a weight member mounted on an outer peripheral part of an inertia plate sandwiched between a pair of retaining plates and an elastic member provided between the inertia plate and the retaining plates. A claw part is provided on one of the retaining plates disposed on a side opposite to the clutch constituent member with respect to the inertia plate. The first damper spring is sandwiched between the claw part and the clutch constituent member, and an elongated hole is formed in the inertia plate, the elongated hole extending lengthwise in a peripheral direction of the inertia plate while the claw part is inserted through the elongated hole.
    Type: Application
    Filed: February 19, 2018
    Publication date: August 6, 2020
    Inventors: Kentaro WATANABE, Ayako SHIBAZAKI, Kazuto NAGAISHI, Jun KOMORI
  • Patent number: 10706999
    Abstract: This vibration damping device (10) includes a magnetorheological fluid composition in a cylinder (12). The magnetorheological fluid composition includes magnetic particles; a dispersant having the magnetic particles dispersed therein; and a friction modifier. The friction modifier is an amine-based additive having a hydrocarbon chain having 14 to 22 carbon atoms, preferably an alkyl chain or an alkenyl chain. The content of the friction modifier is 0.1 to 5 mass %.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: July 7, 2020
    Assignees: Honda Motor Co., Ltd., Idemitsu Kosan Co., Ltd.
    Inventors: Kentaro Komori, Daijiro Endo, Shuichi Sakanoue, Seiichiro Yamamoto
  • Patent number: 10634208
    Abstract: An object of the present invention is to provide a vibration damping device including a bearing member capable of achieving simplification of configuration in the vibration damping device, reducing frictional force during operation, and having an excellent wear resistance. A vibration damping device of the present invention includes a bearing structure, in which a metal bush (bearing member) has a resin layer on a side defined as a friction sliding surface of a base member, the resin layer includes polytetrafluoroethylene and a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer resin, and the metal bush is lubricated by a magneto-rheological fluid composition.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: April 28, 2020
    Assignees: Honda Motors Co., Ltd., Daldo Metal Company Ltd.
    Inventors: Kentaro Komori, Daijiro Endo, Masato Kushiya, Mikio Suzuki
  • Publication number: 20200018375
    Abstract: A vibration damping device of an inverted structure includes a cylinder, a rod capable of protruding and retracting in the cylinder, an outer cylinder coupled to the rod and inserted over the outer periphery of the cylinder, and a bush slidably inserted between the outer cylinder and the cylinder. A gap between the outer cylinder and the cylinder is filled with lubricating oil. The bush contains polytetrafluoroethylene and perfluoro alkoxy alkane. The lubricating oil contains an organic molybdenum additive.
    Type: Application
    Filed: July 9, 2019
    Publication date: January 16, 2020
    Inventors: Naoki SOGAWA, Kentaro KOMORI, Gakuyo FUJIMOTO
  • Publication number: 20190391589
    Abstract: A work vehicle comprising: a drive wheel unit that is provided in a vehicle body and is configured to be driven by a travel drive mechanism; a work unit that is provided in the vehicle body and is configured to perform work on a work target; a battery provided in the vehicle body; a motor that is configured to receive electric power from the battery and drive the work unit; an inclination sensor configured to detect an inclination of the vehicle body relative to a horizontal plane; and a first captured image acquisition unit configured to acquire a captured image that shows surroundings of the vehicle body when the work is being performed.
    Type: Application
    Filed: June 5, 2019
    Publication date: December 26, 2019
    Inventors: Takeshi Komorida, Hitoshi Aoyama, Hideya Umemoto, Katsuhiko Uemura, Kentaro Shinkai, Shinichi Yamada, Kanako Komori, Kensuke Uemoto
  • Publication number: 20190387671
    Abstract: A work vehicle that performs an operation while traveling autonomously includes: a base frame configured to support a wheel; a unit frame configured to support an operation unit that performs the operation; a link frame capable of changing a relative height of the unit frame with respect to the base frame , the link frame spanning between the base frame and the unit frame; and a setting unit configured to set an operating height of the operation unit with respect to a working surface of a working field in which the operation is performed, in accordance with operation information indicating an operation target to be subjected to the operation.
    Type: Application
    Filed: June 5, 2019
    Publication date: December 26, 2019
    Inventors: Hideya Umemoto, Hitoshi Aoyama, Katsuhiko Uemura, Takeshi Komorida, Kensuke Uemoto, Kentaro Shinkai, Shinichi Yamada, Kanako Komori
  • Publication number: 20190242453
    Abstract: A damper device provided with a single cylinder type erecting structure having a free piston includes: a partition wall fixed to the cylinder between a piston and the free piston and partitioning inside of the cylinder into spaces in an axial direction of the cylinder; a partition wall orifice composed of an orifice piercing through the partition wall; a piston orifice composed of an orifice piercing through the piston; a partition wall-side flow variable structure configured to regulate a flow rate of a viscous fluid passing through the partition wall orifice; a piston-side flow variable structure configured to regulate a flow rate of the viscous fluid passing through the piston orifice; and a control unit configured to control the partition wall-side flow variable structure and the piston-side flow variable structure.
    Type: Application
    Filed: February 7, 2019
    Publication date: August 8, 2019
    Inventors: Naoki SOGAWA, Kentaro KOMORI, Gakuyo FUJIMOTO
  • Publication number: 20190176677
    Abstract: An accommodation device is configured to accommodate a plurality of work vehicles that carry out a work while traveling autonomously includes a plurality of accommodation cases mounted on a load carrying bed of a transporter vehicle and capable of accommodating the plurality of work vehicles individually, a supporting section for supporting the plurality of accommodation cases respectively with allowing movement thereof along a preset path, an actuator for driving the supporting section for causing the accommodation cases to move along the path and an electric generator for supplying electric power to the actuator.
    Type: Application
    Filed: November 9, 2018
    Publication date: June 13, 2019
    Inventors: Hideya Umemoto, Kentaro Shinkai, Takeshi Komorida, Kensuke Uemoto, Shinichi Yamada, Kanako Komori
  • Publication number: 20190051437
    Abstract: This vibration damping device (10) includes a magnetorheological fluid composition in a cylinder (12). The magnetorheological fluid composition includes magnetic particles; a dispersant having the magnetic particles dispersed therein; and a friction modifier. The friction modifier is an ester-based additive having a hydrocarbon chain having 14 to 22 carbon atoms, preferably an alkyl chain or an alkenyl chain. The content of the friction modifier is 0.1 to 5 mass %.
    Type: Application
    Filed: September 15, 2016
    Publication date: February 14, 2019
    Inventors: Kentaro KOMORI, Daijiro ENDO, Shuichi SAKANOUE, Seiichiro YAMAMOTO
  • Publication number: 20190040924
    Abstract: An object of the present invention is to provide a vibration damping device including a bearing member capable of achieving simplification of configuration in the vibration damping device, reducing frictional force during operation, and having an excellent wear resistance. A vibration damping device of the present invention includes a bearing structure, in which a metal bush (bearing member) has a resin layer on a side defined as a friction sliding surface of a base member, the resin layer includes polytetrafluoroethylene (PTFE) and a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer resin, and the metal bush is lubricated by a magneto-rheological fluid composition.
    Type: Application
    Filed: September 15, 2016
    Publication date: February 7, 2019
    Applicants: Honda Motor Co., Ltd., Daido Metal Company Ltd.
    Inventors: Kentaro KOMORI, Daijiro ENDO, Masato KUSHIYA, Mikio SUZUKI
  • Publication number: 20180182521
    Abstract: This vibration damping device (10) includes a magnetorheological fluid composition in a cylinder (12). The magnetorheological fluid composition includes magnetic particles; a dispersant having the magnetic particles dispersed therein; and a friction modifier. The friction modifier is an amine-based additive having a hydrocarbon chain having 14 to 22 carbon atoms, preferably an alkyl chain or an alkenyl chain. The content of the friction modifier is 0.1 to 5 mass %.
    Type: Application
    Filed: September 15, 2016
    Publication date: June 28, 2018
    Inventors: Kentaro KOMORI, Daijiro ENDO, Shuichi SAKANOUE, Seiichiro YAMAMOTO
  • Patent number: 9765810
    Abstract: Provided is a technique whereby a DLC film having a desired surface roughness and a desired film hardness can be easily formed within a short period of time while preventing cost increase so that a large quantity of boll joints, which are less expensive and yet have stable sliding characteristics, can be supplied. A method for manufacturing a ball joint provided with a ball stud that has a spherical surface section and a holder section that pivotally holds the spherical surface section, said method comprising: an intermediate underlayer-forming step for forming an intermediate underlayer, that has a fine irregular surface structure, on the surface of the spherical surface section using a sputtering method; and an amorphous hard carbon film-forming step for forming an amorphous hard carbon film, that has a root mean square roughness on the surface of 6.5-35 nm, on the intermediate underlayer using a PIG plasma film formation method.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: September 19, 2017
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Koji Miyake, Ryohei Nishiumi, Kentaro Komori
  • Publication number: 20160069383
    Abstract: Provided is a technique whereby a DLC film having a desired surface roughness and a desired film hardness can be easily formed within a short period of time while preventing cost increase so that a large quantity of boll joints, which are less expensive and yet have stable sliding characteristics, can be supplied. A method for manufacturing a ball joint provided with a ball stud that has a spherical surface section and a holder section that pivotally holds the spherical surface section, said method comprising: an intermediate underlayer-forming step for forming an intermediate underlayer, that has a fine irregular surface structure, on the surface of the spherical surface section using a sputtering method; and an amorphous hard carbon film-forming step for forming an amorphous hard carbon film, that has a root mean square roughness on the surface of 6.5-35 nm, on the intermediate underlayer using a PIG plasma film formation method.
    Type: Application
    Filed: March 3, 2014
    Publication date: March 10, 2016
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Koji MIYAKE, Ryohei NISHIUMI, Kentaro KOMORI
  • Patent number: 8895488
    Abstract: A sliding structural member is provided which achieves a good low frictional property. A DLC film 2 containing hydrogen is provided on one member 11 between members sliding against each other, and the one member and a counterpart member 12 are combined in such a way that the DLC film 2 provided on the one member 11 slides against the counterpart member via a lubricant 3 to which organic molybdenum compound and compound containing zinc and sulfur are added as an additive. A root mean square roughness of a surface of the DLC film 2 is set in a range from 5 nm or more to 25 nm or less, and hydrogen content of the DLC film 2 is set in a range from 4.5 at % (atomic %) or more to 30 at % or less.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: November 25, 2014
    Assignee: Honda Motor Co., Ltd
    Inventor: Kentaro Komori
  • Publication number: 20130272776
    Abstract: Provided is a ball joint having excellent wear resistance, corrosion resistance, and stability of sliding characteristics. A ball joint (1) according to the present invention includes: a ball stud (10) with a spherical surface section (11); and a resin seat (20) which holds and allows free rotation of the spherical surface section (11), wherein an amorphous hard carbon film with a hardness of 6 to 39 GPa is formed on the surface of the spherical surface section (11). In addition, in the ball joint (1) according to the present invention, the amorphous hard carbon film (DLC film) (12) preferably has a root mean square roughness of 60 nm or less. The resin seat (20) is preferably made of polyacetal, nylon, polyamide, polytetrafluoroethylene, polyether ether ketone, an elastomer, or a fiber-reinforced composite thereof.
    Type: Application
    Filed: December 5, 2011
    Publication date: October 17, 2013
    Applicant: HONDA MOTOR CO., LTD
    Inventor: Kentaro Komori
  • Publication number: 20130252860
    Abstract: A sliding structural member is provided which achieves a good low frictional property. A DLC film 2 containing hydrogen is provided on one member 11 between members sliding against each other, and the one member and a counterpart member 12 are combined in such a way that the DLC film 2 provided on the one member 11 slides against the counterpart member via a lubricant 3 to which organic molybdenum compound and compound containing zinc and sulfur are added as an additive. A root mean square roughness of a surface of the DLC film 2 is set in a range from 5 nm or more to 25 nm or less, and hydrogen content of the DLC film 2 is set in a range from 4.5 at % (atomic %) or more to 30 at % or less.
    Type: Application
    Filed: November 17, 2011
    Publication date: September 26, 2013
    Applicant: HONDA MOTOR CO., LTD
    Inventor: Kentaro Komori
  • Patent number: 7867596
    Abstract: A carbon fiber composite material (10) is provided which includes carbon fibers (11), a matrix (12) binding the carbon fibers (11) together, and pores (13), and a volume fraction of the carbon fibers (11) exclusive of the pores (13) is not less than 45% and up to 80%. The carbon fiber composite material (10) may preferably have a porous structure of which a porosity is not more than 20% and up to 70%. This carbon fiber composite material (10) has a high static friction coefficient (?S), and low ? ratio, and thus is suitable for a wet friction member (e.g., carbon disc 5) which is excellent in both of static friction performance and dynamic friction performance.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: January 11, 2011
    Assignees: Honda Motor Co., Ltd., Asahi Organic Chemicals Industry Co., Ltd.
    Inventors: Kentaro Komori, Satoshi Yoshida, Atsushi Takahashi, Toshihiko Kaneiwa