Bushing Compliance Patents (Class 280/5.516)
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Patent number: 11351833Abstract: An electric suspension device, includes: an electromagnetic actuator which is arranged in parallel to a spring member provided between an unsprung member and a sprung member and produces a drive force; an information acquisition section which acquires acceleration information of the unsprung member and sprung member along the expansion-contraction axis; a damping force calculation section which calculates a target damping force; and a drive controller which performs drive control for the electromagnetic actuator using a target drive force based on the target damping force. The information acquisition section acquires a road profile signal based on the acceleration information concerning the front-wheel side.Type: GrantFiled: August 3, 2020Date of Patent: June 7, 2022Assignee: HONDA MOTOR CO., LTD.Inventor: Tomoya Toyohira
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Patent number: 10940736Abstract: The present disclosure provides a sway bar for a suspension system of a motor vehicle. The sway bar includes a first lever arm for attachment to a left wheel suspension component and a second lever arm for attachment to a right wheel suspension component. The sway bar further includes a torsion spring device in connection between the first lever arm and the second lever arm to provide variable torsional stiffness. The torsion spring device includes a first torsion bar, a second torsion bar, and a clutch connected to the first torsion bar and the second torsion bar. The clutch is configured to move between a disengaged position and an engaged position where both of the first and second torsion bars transmit torque between the first and second lever arms to provide torsional stiffness.Type: GrantFiled: May 31, 2019Date of Patent: March 9, 2021Assignee: GM GLOBAL TECHNOLOGY LLCInventors: Timothy J. Romelhardt, Xinyu Du
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Patent number: 9139063Abstract: A vehicle suspension device includes a suspension device main body configured to support a wheel of a vehicle to a vehicle body of the vehicle; a varying device configured to cause an upper connecting portion stiffness and a lower connecting portion stiffness to be variable, the upper connecting portion stiffness being a stiffness between a vertically upper portion of the suspension device main body and the vehicle body, and the lower connecting portion stiffness being a stiffness between a vertically lower portion of the suspension device main body and the vehicle body; and a control device configured to control the varying device at a time of braking of the vehicle to perform control which causes the upper connecting portion stiffness to be relatively decreased and causes the lower connecting portion stiffness to be relatively increased, compared to at a time of non-braking of the vehicle.Type: GrantFiled: February 23, 2012Date of Patent: September 22, 2015Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tsuyoshi Yoshimi, Shingo Koumura
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Patent number: 9002576Abstract: A control device of a motor vehicle, which control device receives, from at least one body-side sensor, a vibration actual value of at least one corresponding body-side reference point and receives, from at least one chassis-side sensor, a vibration actual value of at least one corresponding chassis-side reference point, the control device making a decision on the reference point or points for which actuating signals for the actuators of the active assembly bearings are generated, and on which vibration desired value is used, in such a manner that the respective vibration actual value follows the respective vibration desired value.Type: GrantFiled: April 17, 2013Date of Patent: April 7, 2015Assignee: Dr. Ing. h.c. F. Porsche AktiengesellschaftInventors: Juergen Goeltenboth, Michael Klaus
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Publication number: 20140375001Abstract: A vehicle suspension device includes a suspension device main body configured to support a wheel of a vehicle to a vehicle body of the vehicle; a varying device configured to cause an upper connecting portion stiffness and a lower connecting portion stiffness to be variable, the upper connecting portion stiffness being a stiffness between a vertically upper portion of the suspension device main body and the vehicle body, and the lower connecting portion stiffness being a stiffness between a vertically lower portion of the suspension device main body and the vehicle body; and a control device configured to control the varying device at a time of braking of the vehicle to perform control which causes the upper connecting portion stiffness to be relatively decreased and causes the lower connecting portion stiffness to be relatively increased, compared to at a time of non-braking of the vehicle.Type: ApplicationFiled: February 23, 2012Publication date: December 25, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tsuyoshi Yoshimi, Shingo Koumura
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Patent number: 8627930Abstract: A bushing having a variable and controllable hardness, and a method of restricting movement comprising using such bushing.Type: GrantFiled: March 18, 2003Date of Patent: January 14, 2014Inventors: S. Gregory Smith, Jeffrey Beitzel
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Patent number: 8210547Abstract: A Magneto-Rheological Elastomer (MRE) spring system includes a spring, an MRE unit in cooperation with the spring, and an electromagnet. The electromagnet may be configured to produce an adjustable magnetic field, wherein when the electromagnet produces a magnetic field, the MRE unit stiffens such that the MRE spring system stiffens.Type: GrantFiled: June 16, 2009Date of Patent: July 3, 2012Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventor: Phillip David Rodenbeck
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Patent number: 7926823Abstract: The invention relates to a method for damping vibrations on chassis bearings of motor vehicles, and a device for implementing the process. A process and a device are to be presented with which outstanding vibration damping and vibration isolation and noise insulation can be achieved over a wide frequency range with consideration of the driving states and roadway conditions which occur in motor vehicles. For this purpose it is proposed that the driving state of the motor vehicle and/or the roadway conditions are detected by way of sensors and that the at least one chassis bearing is modified to different characteristics to change its stiffness and/or damping depending on the detected parameters.Type: GrantFiled: March 26, 2009Date of Patent: April 19, 2011Assignee: Audi AGInventors: Stephan Lamers, Thomas Conrad, Matthias Muller, Wolfgang Unger, Josef Wenger, Roland Hudler
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Publication number: 20100314842Abstract: A Magneto-Rheological Elastomer (MRE) spring system includes a spring, an MRE unit in cooperation with the spring, and an electromagnet. The electromagnet may be configured to produce an adjustable magnetic field, wherein when the electromagnet produces a magnetic field, the MRE unit stiffens such that the MRE spring system stiffens.Type: ApplicationFiled: June 16, 2009Publication date: December 16, 2010Applicant: Toyota Motor Engineering & Manufacturing North America, Inc.Inventor: Phillip David Rodenbeck
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Patent number: 7810819Abstract: The invention relates to a method for damping vibrations on chassis bearings of motor vehicles, and a device for implementing the process. A process and a device are to be presented with which outstanding vibration damping and vibration isolation and noise insulation can be achieved over a wide frequency range with consideration of the driving states and roadway conditions which occur in motor vehicles. For this purpose it is proposed that the driving state of the motor vehicle and/or the roadway conditions are detected by way of sensors and that the at least one chassis bearing is modified to different characteristics to change its stiffness and/or damping depending on the detected parameters.Type: GrantFiled: April 17, 2004Date of Patent: October 12, 2010Assignee: Audi AGInventors: Stephan Lamers, Thomas Conrad, Matthias Muller, Wolfgang Unger, Josef Wenger, Roland Hudler
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Patent number: 7246807Abstract: A vibration damping device for use in a automotive suspension system, adapted to be disposed at a linking portion between a body of the vehicle and a suspension member that connects and supports a wheel on the body is disclosed. The vibration damping device comprises a load sensing unit adapted to sense a signal corresponding to a load exerted between the body and the suspension member. A suspension system equipped with the same is also disclosed.Type: GrantFiled: January 2, 2007Date of Patent: July 24, 2007Assignees: Tokai Rubber Industries, Ltd., Sumitomo Electric Industries, Ltd., Sumitomo Rubber Industries, Ltd.Inventors: Akira Katagiri, Shiro Nakajima, Yasuhiro Kubota
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Publication number: 20070102890Abstract: A vibration damping device for use in a automotive suspension system, adapted to be disposed at a linking portion between a body of the vehicle and a suspension member that connects and supports a wheel on the body is disclosed. The vibration damping device comprises a load sensing unit adapted to sense a signal corresponding to a load exerted between the body and the suspension member. A suspension system equipped with the same is also disclosed.Type: ApplicationFiled: January 2, 2007Publication date: May 10, 2007Applicants: TOKAI RUBBER INDUSTRIES, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Akira KATAGIRI, Shiro NAKAJIMA, Yasuhiro KUBOTA
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Patent number: 7178818Abstract: A vibration damping device for use in a automotive suspension system, adapted to be disposed at a linking portion between a body of the vehicle and a suspension member that connects and supports a wheel on the body is disclosed. The vibration damping device comprises a load sensing unit adapted to sense a signal corresponding to a load exerted between the body and the suspension member. A suspension system equipped with the same is also disclosed.Type: GrantFiled: March 5, 2004Date of Patent: February 20, 2007Assignees: Tokai Rubber Industries, Ltd., Sumitomo Electric Industries, Ltd., Sumitomo Rubber Industries, Ltd., Advics Co., Ltd.Inventors: Akira Katagiri, Shiro Nakajima, Yasuhiro Kubota
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Patent number: 7137634Abstract: An active control type mounting bushing device adapted to properly change the hardness of the mounting bushing according to a driving state, thereby obtaining a proper hardness of the mounting bushing for obtaining a comfortable ride during normal driving conditions, and reducing the inclination of the vehicle during the steering, and contributing to an excellent vehicle ride and steering at all times.Type: GrantFiled: December 31, 2003Date of Patent: November 21, 2006Assignee: Kia Motors CorporationInventor: Young-Min Oh
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Publication number: 20060220330Abstract: A bushing assembly adapted for application in vehicle suspension systems includes an embedded position sensor and an embedded speed sensor.Type: ApplicationFiled: November 7, 2005Publication date: October 5, 2006Inventors: Carlos Urquidi, Hector Rodriguez
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Publication number: 20060169518Abstract: The invention relates to a method for damping vibrations on chassis bearings of motor vehicles, and a device for implementing the process. A process and a device are to be presented with which outstanding vibration damping and vibration isolation and noise insulation can be achieved over a wide frequency range with consideration of the driving states and roadway conditions which occur in motor vehicles. For this purpose it is proposed that the driving state of the motor vehicle and/or the roadway conditions are detected by way of sensors and that the at least one chassis bearing is modified to different characteristics to change its stiffness and/or damping depending on the detected parameters.Type: ApplicationFiled: April 17, 2004Publication date: August 3, 2006Applicant: Audi AGInventors: Conrad Thomas, Wolfgang Unger, Josef Wenger, Roland Hudler, Stephan Lamers
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Publication number: 20050082771Abstract: An active control type mounting bushing device adapted to properly change the hardness of the mounting bushing according to a driving state, thereby obtaining a proper hardness of the mounting bushing for obtaining a comfortable ride during normal driving conditions, and reducing the inclination of the vehicle during the steering, and contributing to an excellent vehicle ride and steering at all times.Type: ApplicationFiled: December 31, 2003Publication date: April 21, 2005Inventor: Young-Min Oh
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Patent number: 6688612Abstract: A vehicle air suspension system includes a control unit 32 which is arranged to produce a running measure of the level of cross articulation of the two axles 18, 20 and, if it exceeds a certain level indicating that the vehicle is on rough terrain, to open respective interconnections 34, 36 between the suspension units 24 on opposite ends of each axle so as to reduce the resistance to that articulation. The interconnections are arranged to close when the vehicle speed increases so as to provide roll control.Type: GrantFiled: November 17, 2000Date of Patent: February 10, 2004Assignee: Land Rover Group LimitedInventors: William Burdock, Stephen Williams
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Patent number: 6386553Abstract: An arrangement for the suspension of a wheel of an automotive vehicle is disclosed. The wheel is connected to a propulsion device for driving the vehicle and a braking device for braking each individual wheel. The invention has sensors for detecting at least the angular steering displacement of the vehicle required by the vehicle driver, two steering link arms fitted between said body and attachment points in the wheel, positioned on both sides of an imaginary vertical line running through the center of the wheel, and a control unit for processing signals from the sensors and for actuating the steering link arms for adjustment of the wheel in response to the signals and the current operating state of the vehicle. Through the invention, an improved, integrated wheel suspension unit for automotive vehicles is provided, particularly allowing dynamic wheel alignment adjustment and adjustment of the angular steering displacement of each individual wheel of the vehicle.Type: GrantFiled: June 29, 2001Date of Patent: May 14, 2002Assignee: Volvo Personvagnar ABInventor: Sigvard Zetterström