Patents by Inventor Shuhei Chiba
Shuhei Chiba 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: 20240068475Abstract: A screw compressor for compressing a working medium sucked through a suction opening and discharging the compressed working medium through a delivery opening, wherein the screw compressor includes: a male rotor and a female rotor that rotate while meshing with each other; a casing that houses the male rotor and the female rotor and is provided with a bore which forms a working chamber designed, together with the male rotor and the female rotor, to compress the working medium; a drive unit that rotationally drives at least one of the male rotor and the female rotor; a working chamber closing unit that forms a suction port for sucking the working medium into the working chamber and closes the working chamber when the working chamber reaches a specified capacity; and a suction space that connects the suction opening and the suction port to allow communication therebetween, wherein an open space that connects the suction opening and the suction port to allow communication therebetween is provided between a shaftType: ApplicationFiled: March 28, 2022Publication date: February 29, 2024Inventors: Takeshi TSUCHIYA, Kotaro CHIBA, Shuhei NAGATA, Shigeyuki YORIKANE, Kenji MORITA, Yuta KAJIE
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Publication number: 20220055683Abstract: An electric power steering apparatus arranged in the vicinity of a heat source mounted on a vehicle includes: a rack shaft that turns a road wheel; an output shaft provided with a pinion gear engaged with a rack gear of the rack shaft; a worm wheel provided on the output shaft; a worm shaft engaged with the worm wheel; an electric motor that drives the worm shaft; and a controller that controls driving of the electric motor, and wherein at least a part of the controller is arranged on the opposite side of the heat source such that a rack housing is sandwiched between at least a part of the controller and the heat source, the rack housing accommodating the rack shaft.Type: ApplicationFiled: November 22, 2019Publication date: February 24, 2022Applicant: KYB CorporationInventor: Shuhei CHIBA
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Publication number: 20200410917Abstract: An electronic display device includes a plurality of displays, a sub-memory, and a control circuit. The displays display content. The sub-memory temporarily stores image information of images to be displayed on the displays. The control circuit controls presentation on the displays. Further, upon updating images displayed on the displays, the control circuit rewrites the image information stored in the sub-memory in advance into the image information of the image currently displayed on the display to be updated.Type: ApplicationFiled: February 7, 2019Publication date: December 31, 2020Inventors: Atsushi Yamada, Shuhei Chiba, Yuta Kuboyama
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Patent number: 9988070Abstract: A steering device with an impact absorbing mechanism includes an upper column tube configured to support a steering shaft, a lower column tube configured to be movable relative to the upper column tube and an upper fixing bracket to be coupled to the upper column tube and including a cut on the side of a steering wheel. The impact absorbing mechanism includes a bracket fixing portion fixed to the upper fixing bracket, a capsule portion fixed to a vehicle body and engaged with the cut, and a breaking portion connecting the bracket fixing portion and the capsule portion and configured to be broken by relative movements of the upper fixing bracket and the capsule portion. A connected position of the breaking portion to the capsule portion is near a front side of the vehicle body.Type: GrantFiled: February 10, 2015Date of Patent: June 5, 2018Assignee: KYB CorporationInventor: Shuhei Chiba
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Patent number: 9533699Abstract: An impact absorbing device includes an impact absorbing plate provided integrally with the second column tube, the impact absorbing plate being configured to absorb the impact energy, and a pressing member provided integrally with the first column tube, the pressing member being configured to generate deformation resistance by pressing and deforming the impact absorbing plate. A guide hole extending in the axial direction of the steering shaft is formed on the impact absorbing plate, and a guide that relatively moves along the guide hole upon relative movement in the axial direction of the first column tube and the second column tube is provided integrally with the first column tube.Type: GrantFiled: August 23, 2013Date of Patent: January 3, 2017Assignee: KYB CorporationInventor: Shuhei Chiba
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Publication number: 20160368525Abstract: A steering device with an impact absorbing mechanism includes an upper column tube configured to support a steering shaft, a lower column tube configured to be movable relative to the upper column tube and an upper fixing bracket to be coupled to the upper column tube and including a cut on the side of a steering wheel. The impact absorbing mechanism includes a bracket fixing portion fixed to the upper fixing bracket, a capsule portion fixed to a vehicle body and engaged with the cut, and a breaking portion connecting the bracket fixing portion and the capsule portion and configured to be broken by relative movements of the upper fixing bracket and the capsule portion. A connected position of the breaking portion to the capsule portion is near a front side of the vehicle body.Type: ApplicationFiled: February 10, 2015Publication date: December 22, 2016Inventor: Shuhei CHIBA
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Patent number: 9359001Abstract: A steering device includes: an upper column tube configured to rotatably support the steering shaft; a lower column tube fixed to a vehicle body, the lower column tube being configured to move relative to the upper column tube; a bracket coupled to the upper column tube, the bracket having a notch at the steering wheel side; and a capsule fixed to the vehicle body, the capsule engaging with the notch. A shock absorbing mechanism includes: a bracket fixing portion fitted to the bracket to be integrally fixed; a capsule fixing portion fitted to the capsule to be integrally fixed; and a breakable portion connecting the bracket fixing portion to the capsule fixing portion, the breakable portion being to be broken due to relative movement between the bracket and the capsule.Type: GrantFiled: September 3, 2013Date of Patent: June 7, 2016Assignee: KYB CorporationInventor: Shuhei Chiba
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Patent number: 9296413Abstract: An electric power steering device includes a steering shaft that is coupled to the steering wheel, an output shaft that is coupled to the steering shaft via a torsion bar, a torque sensor that detects a steering torque that acts on the torsion bar, a sensor case to which a magnetic material, which is a component of the torque sensor, is fixed, an upper column tube that rotatably supports the steering shaft, and a lower column tube that is movable relative to the upper column tube, wherein the lower column tube and the sensor case are configured as an integrated part made of a resin material.Type: GrantFiled: March 18, 2013Date of Patent: March 29, 2016Assignee: KYB CorporationInventors: Yoshiyuki Tsukada, Shuhei Chiba
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Publication number: 20150291204Abstract: A steering device includes: an upper column tube configured to rotatably support the steering shaft; a lower column tube fixed to a vehicle body, the lower column tube being configured to move relative to the upper column tube; a bracket coupled to the upper column tube, the bracket having a notch at the steering wheel side; and a capsule fixed to the vehicle body, the capsule engaging with the notch. A shock absorbing mechanism includes: a bracket fixing portion fitted to the bracket to be integrally fixed; a capsule fixing portion fitted to the capsule to be integrally fixed; and a breakable portion connecting the bracket fixing portion to the capsule fixing portion, the breakable portion being to be broken due to relative movement between the bracket and the capsule.Type: ApplicationFiled: September 3, 2013Publication date: October 15, 2015Inventor: Shuhei Chiba
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Publication number: 20150251684Abstract: An impact absorbing device includes an impact absorbing plate provided integrally with the second column tube, the impact absorbing plate being configured to absorb the impact energy, and a pressing member provided integrally with the first column tube, the pressing member being configured to generate deformation resistance by pressing and deforming the impact absorbing plate. A guide hole extending in the axial direction of the steering shaft is formed on the impact absorbing plate, and a guide that relatively moves along the guide hole upon relative movement in the axial direction of the first column tube and the second column tube is provided integrally with the first column tube.Type: ApplicationFiled: August 23, 2013Publication date: September 10, 2015Inventor: Shuhei Chiba
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Publication number: 20150225010Abstract: An impact absorbing type steering shaft, which has one end coupled to a steering wheel of a vehicle, for absorbing impact energy by being contracted at the time of collision of the vehicle includes: an inner shaft having an engagement region on one side, the engagement region having a male tooth portion formed on an outer circumferential surface thereof; and an outer shaft having a female tooth portion formed on an inner circumferential surface thereof, the female tooth portion being slidably engaged with the male tooth portion when the engagement region of the inner shaft is inserted into the female tooth portion. The inner shaft has an impact absorbing region formed on the other side from the engagement region so that an outer diameter of the impact absorbing region becomes larger toward the other side of the inner shaft.Type: ApplicationFiled: June 27, 2013Publication date: August 13, 2015Inventor: Shuhei Chiba
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Publication number: 20150034410Abstract: An electric power steering device includes a steering shaft that is coupled to the steering wheel, an output shaft that is coupled to the steering shaft via a torsion bar, a torque sensor that detects a steering torque that acts on the torsion bar, a sensor case to which a magnetic material, which is a component of the torque sensor, is fixed, an upper column tube that rotatably supports the steering shaft, and a lower column tube that is movable relative to the upper column tube, wherein the lower column tube and the sensor case are configured as an integrated part made of a resin material.Type: ApplicationFiled: March 18, 2013Publication date: February 5, 2015Inventors: Yoshiyuki Tsukada, Shuhei Chiba