Road Arm Patents (Class 280/124.129)
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Patent number: 10703159Abstract: An air management system and method are provided. The system includes a pressurized air source. A manifold block is coupled to the pressurized air source and includes a plurality of suspension valves in fluid communication with the pressurized air source for controlling air flow to and from a plurality of air springs. An accumulator is coupled to the manifold block for storing air. An accumulator valve is in fluid communication with the plurality of suspension valves and the accumulator to allow exhausted air from the plurality of air springs into the accumulator. An electronic control unit is electrically coupled to the plurality of suspension valves and the accumulator valve for controlling a sequence of operating the accumulator valve and the plurality of suspension valves to provide enhanced exhaust flow from the plurality of air springs to maintain the vehicle in a level orientation while lowering the vehicle.Type: GrantFiled: April 6, 2018Date of Patent: July 7, 2020Assignee: BEIJINGWEST INDUSTRIES CO., LTD.Inventor: Bryan Peter Riddiford
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Patent number: 9581153Abstract: A pump includes a housing defining an interior volume, a diaphragm partitioning the interior volume into a pumping chamber and an actuating chamber, a diaphragm support associated with the actuating chamber and configured to limit movement of the diaphragm, and a dispersion element coupled to the housing. The dispersion element includes a network of channels that is configured to distribute a fluid within the pump.Type: GrantFiled: July 25, 2014Date of Patent: February 28, 2017Assignee: Oshkosh CorporationInventors: Roy Venton-Walters, Aaron J. Rositch, Erik Ellifson, Jason J. Zuleger, Joseph Krebs
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Patent number: 9039018Abstract: A four-wheel independent suspension system for an electric wheelchair includes a chassis, two front wheels each fixed to a front rod respectively, and two rear wheels each fixed to a rear rod respectively. The chassis includes a rail extending in a width direction of the chassis, each of the front and rear rods has one end connected to a square first connecting sleeve, in the first connecting sleeve is disposed a first shock absorber which includes a rectangular outer pipe, and a rectangular inner pipe disposed in and rotated degrees with respect to the outer pipe, the edges of the inner pipe are abutted against the inner surface of the outer pipe, between each of the edges of the inner pipe and the inner space of the outer pipe is disposed an elastic rubber, the inner pipe of each of the first shock absorbers is sleeved on the rail.Type: GrantFiled: April 10, 2014Date of Patent: May 26, 2015Inventor: Chung-Chuan Lin
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Patent number: 8840126Abstract: A structurally efficient vehicle suspension system capable of being isolated from the main vehicle structure by being housed within a vehicle's wheel thereby reducing risks of injury during a crash and permitting advantageous redesign of suspension geometry. In the primary embodiment of this invention, the essentially longitudinal links providing wheel travel are outboard of the steering. The upper and/or lower suspension links may be arranged so as to form either a solid triangular-like structure or a “wishbone” form having two separate arms. In addition, the spring/damper unit of the suspension can be configured in a number of different embodiments variously using telescopic dampers, coil springs, rotary dampers, rubber springs, air springs, torsion bars, bell cranks linked to pushrods or pullrods and leaf springs. The spring/damper unit may also be housed in an appropriately enlarged kingpin axis carrier.Type: GrantFiled: February 25, 2012Date of Patent: September 23, 2014Assignee: Edison2 LLCInventors: Ronald Christopher Mathis, Bradley W Jaeger
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Patent number: 8757303Abstract: A suspension unit 1 comprising a resilient arrangement 37 is provided. The damping arrangement 37 comprises a chamber having a primary volume arranged to contain a primary fluid and jounce and rebound variable volumes 58, 60 arranged to contain jounce and rebound fluids respectively. A piston 38 is slidably disposed in the chamber so as to act on the primary fluid and jounce and rebound moveable members 54, 56 separate the primary fluid from jounce and rebound volumes 58, 60 respectively. A jounce abutment member 55 is provided to limit the movement of the jounce moveable member 54 and a rebound abutment member 57 is provided to limit the movement of the rebound moveable member 56. When in use and the piston 38 is in a static position, the jounce moveable member 54 abuts the jounce abutment member 55 and the rebound moveable member 56 abuts the rebound abutment 57 member over a range of temperatures.Type: GrantFiled: May 24, 2011Date of Patent: June 24, 2014Assignee: Horstman Defence Systems LimitedInventors: Tim Holman, Robert D'Aubyn
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Patent number: 8727057Abstract: A rear suspension of a three-wheeled car with two front wheels and one rear wheel in the car frame may include a wheel center connected to the rotation of axis of the rear wheel, an upper link with one side connected to the car body and the other to a wheel center, and a lower link with one side connected to the car body below the upper link and the other side to a wheel center below the upper link, wherein, the upper link and the lower link may be installed so that their connection point with the car body may be located in a higher altitude than their connection point with the wheel center, and wherein, the angle of inclination from the ground may be greater for the lower link than for the upper link.Type: GrantFiled: November 19, 2012Date of Patent: May 20, 2014Assignee: Hyundai Motor CompanyInventors: Jin-Yeon Park, Jae-Kil Lee, Sang-Hoon Lee
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Patent number: 8641067Abstract: A suspension unit is disclosed comprising: a hub 6; a bearing sleeve 24 eccentrically mounted within the hub 6; a crank pin 22 rotatably received within the bearing sleeve 24; and a connecting rod 20, a first end 28 of which is connected for rotation with the crank pin 22 over a connecting area 26 that comprises less than a complete circumference of the crank pin 22; the bearing sleeve 24 comprising a slot 52 through which the connecting rod 20 extends from the first 28 end to a second end.Type: GrantFiled: May 24, 2011Date of Patent: February 4, 2014Assignee: Horstman Defence Systems LimitedInventors: Tim Holman, Robert D'Aubyn
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Patent number: 8496258Abstract: A hybrid torsion beam axle assembly is provided, which includes a steel torsion beam. An end cap is fastened to an end portion of the steel torsion beam, and a cast trailing arm is cast about the end portion of the steel torsion beam including the end cap. In this way, the cast trailing arm is positively and rigidly secured to the steel torsion beam.Type: GrantFiled: October 26, 2010Date of Patent: July 30, 2013Assignee: Magna International Inc.Inventors: Mark F. Werner, Timothy W. Skszek, Frank A. Horton, Warren Young, Seetarama S. Kotagiri, Gregory P. Kiselis, DeWayne Dale Egle, Gianfranco Gabbianelli, Jeffrey Jay Mellis, Erryn Leigh Langlois, Daniel Sulisz, Pascal P. Charest, Eric deNijs, Ying Zhang, Ryan R. Warpup, Dalip K. Matharoo
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Patent number: 8186697Abstract: A work machine is provided having a suspension arrangement between an axle of the machine and a caster wheel assembly. The suspension arrangement comprising a torsion spring assembly. The torsion spring assembly having a first spring housing, a second spring housing, and an inner member. The inner member being integrated directly with a wheel arm of the caster wheel assembly. The first and second spring housings being fastened together around the inner member wherein a plurality of elastomeric members are interposed between the inner member and the first and second spring housings. A torsion spring assembly is provided having a first spring housing, a second spring housing, and an inner member, the first and second spring housings being fastened together around the inner member wherein a plurality of elastomeric members are interposed between the inner member and the first and second spring housings.Type: GrantFiled: March 4, 2010Date of Patent: May 29, 2012Assignee: Deere & CompanyInventors: Roger D. Stephenson, Charles S. Sloan, Stephen K. Parsons
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Patent number: 7963537Abstract: A suspension unit comprises a hub about which a suspension arm is pivotable. The hub is secured to a vehicle chassis or hull by means of a connecting element. The connecting element has a flange provided with holes positioned to coincide with pre-existing holes on the vehicle hole or chassis. The suspension unit can thus be retro-fitted to a vehicle in place of an existing suspension unit of a different kind.Type: GrantFiled: March 17, 2009Date of Patent: June 21, 2011Assignee: Horstman Defence Systems LimitedInventor: Brian Stockford
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Patent number: 7959163Abstract: In some embodiments, the present systems include, consist of, or consist essentially of a roadarm having a first end, a second end, and an opening near the first end; where the second end is configured for attachment to a passive spring (e.g., an air spring, a coil spring, a compressible fluid spring, or a leaf spring), and the opening is configured for interchangeable use with any of: (a) a passive suspension system damping element, (b) a semi-active suspension system damping element, and (c) an active suspension system actuator. Other systems are included, such as those with common control systems for the active and semi-active suspension systems. Methods relating to such systems.Type: GrantFiled: March 3, 2006Date of Patent: June 14, 2011Assignee: The Board of Regents of the University of Texas SystemInventors: Joseph Beno, Don Bresie, Joseph Strubhar
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Patent number: 7862059Abstract: A torsion beam axle includes a torsion beam, a plurality of trailing arms made of a material different from that of the torsion beam, and connecting tubes made of a material better than that of the trailing arms with respect to weldability with the torsion beam, and integrally coupled to the trailing arms at one end part thereof, and welded to the torsion beam at the other end part thereof. Thereby, the coupling force between the trailing arms and the torsion beam made of different materials can be improved.Type: GrantFiled: July 5, 2006Date of Patent: January 4, 2011Assignee: Austem Co., Ltd.Inventor: Jung-Min Ko
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Patent number: 7789408Abstract: A suspension arrangement for a work machine includes a frame and a rear axle rigidly carried by and substantially immovable relative to the frame. The suspension arrangement includes a caster wheel assembly having a shaft, a wheel arm, a suspension and a caster wheel. The shaft is pivotably couplable with an outboard end of the rear axle. The caster wheel is coupled with a lower end of the wheel arm. The suspension is in the form of a torsion spring including an outer tube, an inner member, and a plurality of elastomeric members interposed between the outer tube and the inner member. The outer tube is coupled with the shaft, and the inner member is coupled with an upper end of the wheel arm.Type: GrantFiled: January 3, 2008Date of Patent: September 7, 2010Assignee: Deere & CompanyInventors: Charles Scott Sloan, Allan Wesley Rosenbalm, Thomas Daryl Bebernes
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Publication number: 20100155171Abstract: The invention is a combination drive and suspension system that includes an upper drive assembly and a lower drive assembly pivotally connected. The pivoting drive system provides improved ground clearance for a farm vehicle capable of carrying a large quantity of field application material.Type: ApplicationFiled: March 8, 2010Publication date: June 24, 2010Applicant: AGCO CORPORATIONInventor: John Buschena
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Patent number: 7726674Abstract: A vehicle suspension system includes a pair of suspension assemblies mounted on a pair of spaced vehicle frame members for supporting a vehicle body on the vehicle wheels. A torsion axle extends between the pair of suspension assemblies and terminates in a pair of stub shafts. The axle is mounted on a pair of spaced frame brackets attached to the vehicle frame. An air spring extends between the vehicle frame and an outer end of a support arm pivotally mounted on each end of the torsion axle. The stub shafts are supported within an outer tube of the torsion axle by a plurality of elastomeric members. One end of each stub shaft is connected to a spindle arm which has a spindle extending from an opposite end of the arm.Type: GrantFiled: May 8, 2008Date of Patent: June 1, 2010Assignee: Air Suspensions, Inc.Inventors: Ervin K. VanDenberg, David H. Croston
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Patent number: 7549492Abstract: A trailing arm suspension unit for use on a vehicle including a ring bearing, a trailing arm, a spring and damper for providing large vertical wheel travel in a jounce and rebound suspension condition. The ring bearing may include external threads for rotationally connecting the trailing arm to a mounting plate or a hull of the vehicle. Further, supply lines for electrical and fluids may be passed through the opening in the ring bearings without the use of a slip ring and passed through a passage in the trailing arm to a wheel on the vehicle. The spring and damper may be located on top of the trailing arm and separately connected to the mounting plate to generate significant mechanical advantage. The geometry of the spring, damper, and trailing arm allow the spring in the suspension unit to be gas cylinder employing air.Type: GrantFiled: September 24, 2007Date of Patent: June 23, 2009Assignee: General DYnamics Land SystemsInventor: James Pond
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Publication number: 20090039610Abstract: A simple and cost effective air sprung suspension for tracked vehicles. The apparatus having at least one suspension arm, a track guiding means that include a pair of slide rails, a set of carrier wheels and a set of rear wheels. An air spring biasing mechanism and a shock absorber are mounted along side each other and within the space between the two slide rails. The new mounting arrangement provides for both a simple and cost effective technique of obtaining individual rates of displacement for the shock and air spring. The separately optimized rates of displacements cause the air spring and shock absorber to operate more effectively as a system in delivering greater comfort and increased separation for the occupants from the often rough and varied terrain a tracked vehicle encounters.Type: ApplicationFiled: July 31, 2008Publication date: February 12, 2009Inventor: Gerard John Karpik
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Publication number: 20080018073Abstract: A trailing arm suspension unit for use on a vehicle including a ring bearing, a trailing arm, a spring and damper for providing large vertical wheel travel in a jounce and rebound suspension condition. The ring bearing may include external threads for rotationally connecting the trailing arm to a mounting plate or a hull of the vehicle. Further, supply lines for electrical and fluids may be passed through the opening in the ring bearings without the use of a slip ring and passed through a passage in the trailing arm to a wheel on the vehicle. The spring and damper may be located on top of the trailing arm and separately connected to the mounting plate to generate significant mechanical advantage. The geometry of the spring, damper, and trailing arm allow the spring in the suspension unit to be gas cylinder employing air.Type: ApplicationFiled: September 24, 2007Publication date: January 24, 2008Inventor: James Pond
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Patent number: 7273117Abstract: A trailing arm suspension unit for use on a vehicle including a ring bearing, a trailing arm, a spring and damper for providing large vertical wheel travel in a jounce and rebound suspension condition. The ring bearing may include external threads for rotationally connecting the trailing arm to a mounting plate or a hull of the vehicle. Further, supply lines for electrical and fluids may be passed through the opening in the ring bearings without the use of a slip ring and passed through a passage in the trailing arm to a wheel on the vehicle. The spring and damper may be located on top of the trailing arm and separately connected to the mounting plate to generate significant mechanical advantage. The geometry of the spring, damper, and trailing arm allow the spring in the suspension unit to be gas cylinder employing air.Type: GrantFiled: May 17, 2004Date of Patent: September 25, 2007Assignee: General Dynamics Land Systems, Inc.Inventor: James Pond
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Patent number: 7131653Abstract: A support device for motor-vehicle wheel hubs adapted to be mounted between the hub and the body of the rear suspension, consisting of a connection element (12), rotatably connected to the body of the suspension and adapted to rotate on a plane which is basically perpendicular to the ground and parallel to the longer axis of the motor-vehicle, provided with attachments (15) for the hub (16) and connected to an elastic element (20), articulated on the body of the suspension (2, 3) and adapted to control its rotation.Type: GrantFiled: October 15, 2003Date of Patent: November 7, 2006Assignee: C.R.F. Societa Consortile per AzioniInventor: Valter Asteggiano
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Patent number: 7004270Abstract: A suspension apparatus of a multi-axle vehicle capable of realizing high traveling stability is provided. For this purpose, the suspension apparatus forms a quadric link structure (31) by a vehicle body (9), a front link (21) with an upper end portion being connected to the vehicle body with a pin and a lower end portion being in a vicinity of a front axle, a rear link (22) with an upper end portion being connected to the vehicle body with a pin and a lower end portion located in a vicinity of a rear axle, and a connecting link (1) for connecting portions in vicinities of respective lower end portions of the front and rear links, and a side length at a side of the connecting link is made shorter than a side length at a vehicle body side.Type: GrantFiled: October 30, 2003Date of Patent: February 28, 2006Assignee: Komatsu Ltd.Inventors: Kazutoshi Hori, Yasunari Suzuki, Takeo Ueda, Toshiyuki Hirata
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Publication number: 20040163869Abstract: An articulated vehicle suspension system shoulder joint is disclosed. A vehicle includes a plurality of wheel assemblies; a plurality of rotating shoulder joints, each wheel assembly being mounted to a respective one of the shoulder joints and rotatable in a plane by the respective shoulder joint; and a chassis to which the shoulder joints are mounted. The shoulder joint for use in a vehicle suspension system includes a housing to which a wheel assembly may be attached for in-plane rotation; a drive; and a transmission engaged with the housing and the drive to reduce the speed of the drive motor as it drives the housing.Type: ApplicationFiled: August 12, 2003Publication date: August 26, 2004Inventors: Wendell H. Chun, Michael S. Beck, Jon T. Stinchcomb
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Patent number: 6739607Abstract: A device for position and speed-dependent damping of pivotal movements of a wheel-supporting pendular arm of a motor vehicle, includes a housing (16) with a cavity for rotatable support of a swing axle of the pendular arm; a plate pack arranged in the housing; a first annular pressure disk, torsionally fixed but axially moveable on the swing axle of the pendular arm; a second annular pressure plate, torsionally fixed but axially moveable in the housing, the two pressure plates having opposing sides with members designed, on rotation of the first pressure plate, to produce an axial movement of the pressure plates relative to one another; and a compression spring unit, designed to exert a compressive force on the pressure plates and on the plate pack.Type: GrantFiled: February 6, 2002Date of Patent: May 25, 2004Assignee: Alvis Hagglunds ABInventors: Claes Eriksson, Anders Bodin
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Publication number: 20020113395Abstract: A device for position and speed-dependent damping of pivotal movements of a wheel-supporting pendular arm of a motor vehicle, includes a housing (16) with a cavity for rotatable support of a swing axle of the pendular arm; a plate pack arranged in the housing; a first annular pressure disk, torsionally fixed but axially moveable on the swing axle of the pendular arm; a second annular pressure plate, torsionally fixed but axially moveable in the housing, the two pressure plates having opposing sides with members designed, on rotation of the first pressure plate, to produce an axial movement of the pressure plates relative to one another; and a compression spring unit, designed to exert a compressive force on the pressure plates and on the plate pack.Type: ApplicationFiled: February 6, 2002Publication date: August 22, 2002Inventors: Claes Eriksson, Anders Bodin
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Patent number: 6354608Abstract: The independent wheel suspension system of the present invention provides an optimal shock absorption in which the shock absorber is easily activated by the weight of the user to provide for an improved maneuverability of the movable structure. The system includes a truck for mounting on the movable structure, a swing arm pivotally connected to the truck for rotation around a horizontal axis between first and second limit positions, at least one wheel rotatable on said swing arm, a shock absorbent device to bias the swing arm in the first position and having a shock absorber and a guide, and a user accessible tension adjuster for adjusting the tension of the shock absorber in accordance with the desired stiffness for use or preference. The guide has a first end pivotally connected to the truck about an axis parallel to the horizontal axis.Type: GrantFiled: August 11, 2000Date of Patent: March 12, 2002Inventor: Yves Syrkos