Patents by Inventor Yusuke Kageyama
Yusuke Kageyama 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: 9994249Abstract: Maneuverability and stability of a suspension unit for a vehicle are improved. A vehicle includes: a steer-by-wire system detecting a displacement of a steering wheel and displacing a steering rack steering steerable wheels on a basis of a detection result of the displacement and a suspension unit suspending the steerable wheels, the suspension unit including: wheel hub mechanisms, each wheel hub mechanism supporting a tire wheel on which a tire is attached, and a plurality of link members supporting the wheel hub mechanisms on the vehicle body; and a kingpin axis passing through an upper pivot point of the link members and lower pivot point of the link members being set to pass through a road surface contact area of the tire at a neutral position of the steering wheel.Type: GrantFiled: September 18, 2013Date of Patent: June 12, 2018Assignee: NISSAN MOTOR CO., LTD.Inventors: Yusuke Kageyama, Yutaka Mikuriya
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Patent number: 9669869Abstract: A vehicle suspension apparatus is constructed to improve stability and controllability. Suspension apparatus includes; a tire wheel to be equipped with a tire; a wheel hub mechanism to support the tire wheel; a first link member connecting the wheel hub mechanism and a vehicle body on a lower side of an axle in an vehicle up and down direction; a second link member connecting the wheel hub mechanism and the vehicle body on the lower side of the axle in the vehicle up and down direction and intersecting the first link member in a vehicle top view; and a steering rack moving in a vehicle widthwise direction and steering the wheel hub mechanism.Type: GrantFiled: March 1, 2012Date of Patent: June 6, 2017Assignee: NISSAN MOTOR CO., LTD.Inventors: Yusuke Kageyama, Yutaka Mikuriya
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Patent number: 9567003Abstract: A steering control device suppresses response delay to stabilize a behavior of a vehicle during turning braking. The steering control device includes a steer-by-wire system that controls an actuator that detects displacement of a steering angle when a steering wheel is steered and operates a turning mechanism that turns a turning wheel separated from the steering wheel based on a detection result; a vehicle yaw angle detector; a steering angle detector; a turning state detector that detects a turning state of the vehicle based on the yaw angle; a braking state detector that detects a braking state of the vehicle; and a yaw angle controller that controls the actuator to suppress a yaw angle deviation before and after braking when the turning state of the vehicle is detected by the turning state detector and when the braking state of the vehicle is detected by the braking state detector.Type: GrantFiled: October 28, 2013Date of Patent: February 14, 2017Assignee: Nissan Motor Co., Ltd.Inventor: Yusuke Kageyama
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Patent number: 9499193Abstract: Maneuverability and stability of a suspension unit for a vehicle are improved. A vehicle includes: a steer-by-wire system detecting a displacement of a steering wheel and displacing a steering rack steering steerable wheels on a basis of a detection result of the displacement and a suspension unit suspending the steerable wheels, the suspension unit including: wheel hub mechanisms, each wheel hub mechanism supporting a tire wheel on which a tire is attached, and a plurality of link members supporting the wheel hub mechanisms on the vehicle body; and a kingpin axis passing through an upper pivot point of the link members and lower pivot point of the link members being set to pass through a road surface contact area of the tire at a neutral position of the steering wheel.Type: GrantFiled: November 25, 2011Date of Patent: November 22, 2016Assignee: NISSAN MOTOR CO., LTD.Inventors: Yusuke Kageyama, Yutaka Mikuriya
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Patent number: 9211906Abstract: A vehicle suspension device includes first lower link member and a second lower link member configured to individually couple a vehicle side support part and the axle carrier having an axle of rotatably supporting a turning wheel, a first upper link member and a second upper link member, and a component of moving a virtual lower pivot point represented by a cross point of the first lower link member and the second lower link member, in a planer view, toward an outer side and frontward in a vehicle width direction, when the turning wheel is turned from a straight travel state, and moving a virtual upper pivot point represented by a cross point of the first upper link member and the second upper link member at least toward the outer side and frontward in the vehicle width direction, when the turning wheel is turned from the straight travel state.Type: GrantFiled: June 28, 2013Date of Patent: December 15, 2015Assignee: Nissan Motor Co., Ltd.Inventor: Yusuke Kageyama
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Publication number: 20150291210Abstract: A steering control device suppresses response delay to stabilize a behavior of a vehicle during turning braking. The steering control device includes a steer-by-wire system that controls an actuator that detects displacement of a steering angle when a steering wheel is steered and operates a turning mechanism that turns a turning wheel separated from the steering wheel based on a detection result; a vehicle yaw angle detector; a steering angle detector; a turning state detector that detects a turning state of the vehicle based on the yaw angle; a braking state detector that detects a braking state of the vehicle; and a yaw angle controller that controls the actuator to suppress a yaw angle deviation before and after braking when the turning state of the vehicle is detected by the turning state detector and when the braking state of the vehicle is detected by the braking state detector.Type: ApplicationFiled: October 28, 2013Publication date: October 15, 2015Applicant: NISSAN MOTOR CO., LTD.Inventor: Yusuke Kageyama
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Patent number: 9139107Abstract: A steered condition vehicle behavior improving apparatus is provided for a vehicle, wherein the vehicle is capable of running with a road wheel driven by a driving force from a power source. The steered condition vehicle behavior improving apparatus includes a steering operation detecting means and a driving force reducing means. The steering operation detecting means detects a steering operation of steering a steerable wheel of the vehicle. The driving force reducing means temporarily reduces the driving force to the road wheel a set time period after the steering operation is detected by the steering operation detecting means.Type: GrantFiled: April 13, 2011Date of Patent: September 22, 2015Assignee: NISSAN MOTOR CO., LTD.Inventors: Yusuke Kageyama, Takeshi Kimura, Yosuke Kobayashi, Yuuki Shiozawa, Toshiyuki Murata
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Publication number: 20150151778Abstract: A vehicle suspension device includes first lower link member and a second lower link member configured to individually couple a vehicle side support part and the axle carrier having an axle of rotatably supporting a turning wheel, a first upper link member and a second upper link member, and a component of moving a virtual lower pivot point represented by a cross point of the first lower link member and the second lower link member, in a planer view, toward an outer side and frontward in a vehicle width direction, when the turning wheel is turned from a straight travel state, and moving a virtual upper pivot point represented by a cross point of the first upper link member and the second upper link member at least toward the outer side and frontward in the vehicle width direction, when the turning wheel is turned from the straight travel state.Type: ApplicationFiled: June 28, 2013Publication date: June 4, 2015Inventor: Yusuke Kageyama
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Patent number: 8789875Abstract: Provided is a vehicle body structure including: a front frame member disposed in a front part of a vehicle body; a rear frame member disposed in a rear part of the vehicle body; and paired left and right middle frame members disposed on outer sides, in a vehicle width direction, of the vehicle body, respectively, and extending in a vehicle front-rear direction between the front and rear frame members. Each middle frame member includes: a side sill disposed on an outer side in the vehicle width direction; and a center side member disposed inward, in the vehicle width direction, of the side sill and coupling the front and rear frame members. The center side member extends to shift farther outward in the vehicle width direction as it gets closer to rear of the vehicle. The center side member is set larger in strength than the side sill.Type: GrantFiled: August 20, 2012Date of Patent: July 29, 2014Assignee: Nissan Motor Co., Ltd.Inventor: Yusuke Kageyama
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Patent number: 8666582Abstract: A vehicle steering feel improving apparatus is provided for a vehicle, wherein the vehicle is capable of running with a road wheel driven by a driving force from a power source. The vehicle steering feel improving apparatus includes a steering operation detecting means that detects a condition that steering operation is being performed to steer a steerable wheel of the vehicle. A driving force fluctuating means repeatedly fluctuates the driving force to the road wheel, while the steering operation detecting means is detecting the condition that steering operation is being performed.Type: GrantFiled: April 13, 2011Date of Patent: March 4, 2014Assignee: Nissan Motor Co., Ltd.Inventors: Yusuke Kageyama, Kazuhito Kato
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Publication number: 20140014433Abstract: Maneuverability and stability of a suspension unit for a vehicle are improved. A vehicle includes: a steer-by-wire system detecting a displacement of a steering wheel and displacing a steering rack steering steerable wheels on a basis of a detection result of the displacement and a suspension unit suspending the steerable wheels, the suspension unit including: wheel hub mechanisms, each wheel hub mechanism supporting a tire wheel on which a tire is attached, and a plurality of link members supporting the wheel hub mechanisms on the vehicle body; and a kingpin axis passing through an upper pivot point of the link members and lower pivot point of the link members being set to pass through a road surface contact area of the tire at a neutral position of the steering wheel.Type: ApplicationFiled: September 18, 2013Publication date: January 16, 2014Applicant: NISSAN MOTOR CO., LTD.Inventors: Yusuke KAGEYAMA, Yutaka Mikuriya
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Publication number: 20140008141Abstract: A vehicle suspension apparatus is constructed to improve stability and controllability. Suspension apparatus includes; a tire wheel to be equipped with a tire; a wheel hub mechanism to support the tire wheel; a first link member connecting the wheel hub mechanism and a vehicle body on a lower side of an axle in an vehicle up and down direction; a second link member connecting the wheel hub mechanism and the vehicle body on the lower side of the axle in the vehicle up and down direction and intersecting the first link member in a vehicle top view; and a steering rack moving in a vehicle widthwise direction and steering the wheel hub mechanism.Type: ApplicationFiled: March 1, 2012Publication date: January 9, 2014Applicant: NISSAN MOTOR CO., LTD.Inventors: Yusuke Kageyama, Yutaka Mikuriya
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Publication number: 20130245890Abstract: Maneuverability and stability of a suspension unit for a vehicle are improved. A vehicle includes: a steer-by-wire system detecting a displacement of a steering wheel and displacing a steering rack steering steerable wheels on a basis of a detection result of the displacement and a suspension unit suspending the steerable wheels, the suspension unit including: wheel hub mechanisms, each wheel hub mechanism supporting a tire wheel on which a tire is attached, and a plurality of link members supporting the wheel hub mechanisms on the vehicle body; and a kingpin axis passing through an upper pivot point of the link members and lower pivot point of the link members being set to pass through a road surface contact area of the tire at a neutral position of the steering wheel.Type: ApplicationFiled: November 25, 2011Publication date: September 19, 2013Inventors: Yusuke Kageyama, Yutaka Mikuriya
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Publication number: 20130049407Abstract: Provided is a vehicle body structure including: a front frame member disposed in a front part of a vehicle body; a rear frame member disposed in a rear part of the vehicle body; and paired left and right middle frame members disposed on outer sides, in a vehicle width direction, of the vehicle body, respectively, and extending in a vehicle front-rear direction between the front and rear frame members. Each middle frame member includes: a side sill disposed on an outer side in the vehicle width direction; and a center side member disposed inward, in the vehicle width direction, of the side sill and coupling the front and rear frame members. The center side member extends to shift farther outward in the vehicle width direction as it gets closer to rear of the vehicle. The center side member is set larger in strength than the side sill.Type: ApplicationFiled: August 20, 2012Publication date: February 28, 2013Inventor: Yusuke KAGEYAMA
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Publication number: 20130054073Abstract: A vehicle steering feel improving apparatus is provided for a vehicle, wherein the vehicle is capable of running with a road wheel driven by a driving force from a power source. The vehicle steering feel improving apparatus includes a steering operation detecting means that detects a condition that steering operation is being performed to steer a steerable wheel of the vehicle. A driving force fluctuating means repeatedly fluctuates the driving force to the road wheel, while the steering operation detecting means is detecting the condition that steering operation is being performed.Type: ApplicationFiled: April 13, 2011Publication date: February 28, 2013Applicant: NISSAN MOTOR CO. LTD.Inventors: Yusuke Kageyama, Kazuhito Kato
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Publication number: 20130041541Abstract: A steered condition vehicle behavior improving apparatus is provided for a vehicle, wherein the vehicle is capable of running with a road wheel driven by a driving force from a power source. The steered condition vehicle behavior improving apparatus includes a steering operation detecting means and a driving force reducing means. The steering operation detecting means detects a steering operation of steering a steerable wheel of the vehicle. The driving force reducing means temporarily reduces the driving force to the road wheel a set time period after the steering operation is detected by the steering operation detecting means.Type: ApplicationFiled: April 13, 2011Publication date: February 14, 2013Inventors: Yusuke Kageyama, Takeshi Kimura, Yosuke Kobayashi, Yuuki Shiozawa, Toshiyuki Murata
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Publication number: 20130041542Abstract: A steered condition vehicle behavior improving apparatus is provided for a vehicle, wherein the vehicle is capable of running with a road wheel driven by a driving force from a power source. The steered condition vehicle behavior improving apparatus a steering operation detecting means and a driving force increasing means. The steering operation detecting means detects a steering operation of steering a steerable wheel of the vehicle. The driving force increasing means increases the driving force to the road wheel in response to detection of the steering operation by the steering operation detecting means, and reduces the driving force a predetermined time period after the increase of the driving force.Type: ApplicationFiled: April 13, 2011Publication date: February 14, 2013Inventors: Yusuke Kageyama, Takeshi Kimura, Yosuke Kobayashi, Yuuki Shiozawa, Toshiyuki Murata
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Patent number: 8342542Abstract: A suspension device includes a wheel supporting member configured to rotatably support a wheel. Two links respectively link the wheel supporting member and a vehicle-body side member and are disposed substantially in parallel in a vehicle width direction. At least one projecting portion extends from at least one of the two links towards the other link, and an elastic linking portion links the projecting portion of one of the links to at least one of the other link and the projecting portion of the other link. A toe angle adjusting device is configured to input a force in a direction oriented backward in the vehicle forward-backward direction to the wheel supporting member to adjust a toe-in angle of the wheel.Type: GrantFiled: April 2, 2008Date of Patent: January 1, 2013Assignee: Nissan Motor Co., Ltd.Inventors: Kenji Sagara, Yusuke Kageyama, Yoshihiro Kawabe, Masahiko Nishida, Isao Watanabe, Masaya Kunitomo, Masaki Ohta
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Patent number: 8087682Abstract: A suspension device includes a first and a second link that link a vehicle-body side member and a wheel supporting member to each other. The two links are linked to each other through an elastic linking portion. The rigidity of an elastic bush thereof is less than the rigidity of an elastic member of a linking portion of at least one of the two links with the wheel supporting member and the vehicle-body side member.Type: GrantFiled: April 2, 2008Date of Patent: January 3, 2012Assignee: Nissan Motor Co., Ltd.Inventors: Maho Natsukari, Yusuke Kageyama
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Patent number: 7862060Abstract: A front suspension apparatus includes a plurality of links suspending an axle member.Type: GrantFiled: July 21, 2008Date of Patent: January 4, 2011Assignee: Nissan Motor Co., Ltd.Inventor: Yusuke Kageyama