Class / Patent application number | Description | Number of patent applications / Date published |
280500507 | Lateral and longitudinal vehicle attitude control (e.g., combinations of antidive, antipitch, antiroll, antisquat, antisway, antiyaw, riding, or suspension height) | 26 |
20080265530 | Suspension Assemblies - There are provided suspension assemblies ( | 10-30-2008 |
20080272561 | Hydraulic System for a Vehicle Suspension - A vehicle hydraulic suspension system has front left ( | 11-06-2008 |
20090102145 | Braking/Driving Control Apparatus and Vehicle having the Apparatus - A braking/driving control apparatus includes: a lateral acceleration acquisition unit that acquires a lateral acceleration of a vehicle; and a longitudinal acceleration acquisition unit that acquires a longitudinal acceleration of the vehicle, and the longitudinal acceleration control unit controls a braking/driving force of the vehicle so that the longitudinal acceleration of the vehicle is decreased when the absolute value of the lateral acceleration of the vehicle that has been acquired tends to increase, and so that the longitudinal acceleration of the vehicle is increased when the absolute value of the lateral acceleration of the vehicle that has been acquired tends to decrease. | 04-23-2009 |
20090121444 | VEHICLE SUSPENSION - There is provided a vehicle suspension. More specifically, in one or more embodiments, there is provided an apparatus including an actuator system having a combination of actuators including a linear electromagnetic actuator and a rotary electromagnetic actuator, wherein the actuator system provides force between the sprung mass and an unsprung mass of a vehicle. | 05-14-2009 |
20090174158 | SUSPENSION SYSTEM - A vehicle subassembly includes first and second hydraulic cylinders each having an upper chamber and a lower chamber. A fluid circuit is hydraulically connected to the first and second hydraulic cylinders and includes a valve movable between a first position where the upper chamber of the first hydraulic cylinder and the lower chamber of the second hydraulic cylinder are hydraulically connected and the lower chamber of the first hydraulic cylinder and the upper chamber of the second cylinder are hydraulically connected, and a second position where the upper chamber and the lower chamber of the first hydraulic cylinder are hydraulically connected and the upper chamber and lower chamber of the second hydraulic cylinder are hydraulically connected. A control unit is operable to position the valve in at least one of the first position and the second position based on an operating variable of the vehicle. | 07-09-2009 |
20090200760 | DUAL RATE GAS SPRING SHOCK ABSORBER - Apparatus and methods for providing a biasing force to a vehicle suspension. The apparatus includes a hydraulic shock absorber that coacts with a gas spring. In some embodiments, the gas spring is externally adjustable with regards to gas pressure, and also with regards to the amount of internal travel possible by a floating gas piston. | 08-13-2009 |
20090261541 | Hydropneumatic Axle Suspension for Vehicles - The invention relates to a hydropneumatic axle suspension for vehicles, especially the front axle thereof, which cooperates with at least one suspension cylinder ( | 10-22-2009 |
20090267311 | Cylinder apparatus and stabilizer apparatus using the same - There is provided with a cylinder apparatus comprising: a cylinder; a piston; a piston rod, one end of which is connected to the piston and the other end of which is extended outside; an external cylinder provided at an outer periphery of the cylinder so as to form a reservoir in which to seal the hydraulic liquid and gas therebetween; a base valve dividing the second chamber and the reservoir; a first check valve provided with the piston so as to allow flow of the hydraulic liquid only from the second chamber side to the first chamber side; a second check valve provided with the base valve so as to allow flow of the hydraulic liquid only from the reservoir side to the second chamber side; a flow passage connecting the first chamber with the reservoir; and an opening and closing valve opening and closing the flow passage. | 10-29-2009 |
20090302556 | SUSPENSION SYSTEM FOR BABY STROLLER - A suspension system for a stroller is described. The suspension system may include a rotating damper mechanism used between a stroller frame and a stroller wheel. In one example, apparatus for providing suspension/damping of a stroller includes a first member attached to a stroller frame, a second member disposed co-axially with the first member and operable to rotate relative to the first member, and at least one elastic member (e.g., urethane) positioned between the first and second members for damping motion (e.g., rotational or translational motion) therebetween. In one example, four elastic members are disposed between the first and second members. | 12-10-2009 |
20100013174 | SUSPENSION SYSTEM FOR VEHICLE - In a suspension system for a vehicle, a suspension spring, an absorber for controllably changing the damping coefficient becoming the reference of amount of its own generating damping force, a displacement force generator for controllably generating a displacement force are arranged in parallel between sprung and unsprung members. A vibration damping control is executed based on a so-called skyhook damper theory by utilizing the displacement force. In execution of the vibration damping control, when a sign of sprung-member absolute velocity Vu and a sign of sprung/unsprung-members velocity difference ΔV are the same to each other, a damping-coefficient increasing control is executed to set a target damping coefficient C* of the absorber to a coefficient value C | 01-21-2010 |
20100044976 | VEHICLE SUSPENSION WITH SELECTABLE ROLL STABILIZATION - A hydraulic suspension system for a vehicle includes a pair of cylinders on opposite sides of the vehicle. Each cylinder is divided by a piston into two chambers. When the vehicle is not making a significant turn, a switching valve connects the chambers in the same cylinder together and when a significant turn occurs, the switching valve cross connects the chambers of the two cylinders. That cross connection increases resistance of the suspension system to roll of the vehicle, as compared to when the cylinder chambers are not cross connected. A load leveling function also is included in the hydraulic suspension system. | 02-25-2010 |
20100176563 | AUTOMATIC LEVELING VEHICLE - An automatic leveling vehicle comprising a front frame section and a rear frame section interconnected by a swivel joint which permits pivotable movement of the front frame section relative to the rear frame section about a generally horizontal axis extending longitudinally of the vehicle, a gear train attached to the rear frame section, right and left rear wheel assemblies, right and left rear axle assemblies operatively interconnecting the gear train, a lever arm connected to the gear train for controlling the position of the rear axle assemblies, selective movement of the lever arm causing the right and left rear axle assemblies to move their associated wheel assemblies up or down in opposite directions, a level detector for producing and applying leveling signals for positioning a lever arm control such that the rear frame section is maintained in a relatively level orientation when the rear wheel assemblies encounter an uneven terrain. | 07-15-2010 |
20100301571 | ACTIVE SUSPENSION ASSEMBLY FOR A VEHICLE - The invention relates to an active suspension assembly and a vehicle equipped therewith. The assembly comprises a bearing arm, spring means and adjusting means. In use, the bearing arm supports the second vehicle mass, for instance a cabin or wheel and is pivotally connected to the first vehicle mass, for instance a chassis, around a pivot axis; the spring means produce a spring force that exerts a counter moment on the bearing arm that can counterbalance any external moment acting on said bearing arm; and the adjustment means are arranged to vary said counter moment by altering the direction of the spring force and/or move its point of application in a first direction. The adjustment means are furthermore arranged to move the point of application of the spring force in a second direction, in which the counter moment is not or hardly affected, but by which the effective spring stiffness of the suspension assembly is affected. Thanks to said latter movement, the effective stiffness of the suspension can be maintained at a desired value. | 12-02-2010 |
20100320703 | INTELLIGENT ELECTRONIC AIR SUSPENSION SYSTEM THAT AUTOMATICALLY ADJUSTS ITS AIR PRESSURE - An intelligent electronic air suspension system that automatically adjusts its air pressure includes a vehicle speed detector, a vehicle height detector, a level detector, a first pressure sensor, a control end, and four air struts on the vehicle suspension system. The data of the vehicle speed detector, the vehicle height detector, the level detector, and the first pressure sensor are integrated to obtain the dynamical condition of the moving vehicle and its position on the road. Such information is transmitted to the control end and displayed on the monitor end at the same time. According to needs, the user can set manual or automatic control to adjust the air struts so that passengers in the vehicle enjoy more comfort. The air struts can also be adjusted according to the driver's habits to have better controllability. Moreover, the vehicle height can be adjusted according to its load, ensuring the safety of both passengers and cargo. | 12-23-2010 |
20110025000 | SUSPENSION SYSTEM FOR VEHICLE - A suspension system for a vehicle, including: an electromagnetic actuator configured to generate an actuator force and including a sprung-side unit supported by a sprung portion, an unsprung-side unit supported by an unsprung portion, a screw mechanism, and an electromagnetic motor; a connecting mechanism including a support spring for permitting one of the sprung-side and unsprung-side units to be floatingly supported as a floating unit by a unit-floatingly support portion that is one of the sprung and unsprung portions by which the floating unit is supported; and a controller including a sprung-vibration-damping control portion and a relative-vibration-damping control portion that is configured to execute a relative-vibration damping control for damping a vibration of the floating unit caused by the structure in which the floating unit is floatingly supported by the support spring. | 02-03-2011 |
20110187065 | MULTI-POINT HYDRAULIC SUSPENSION SYSTEM FOR A LAND VEHICLE - A multi-point hydraulic suspension system for a land vehicle has two or more individual hydraulic actuators. These two or more actuators are each operatively arranged between a suspended structure and a wheeled base of the land vehicle for relative positioning one another. A common supply of pressurized fluid has a given pressure and a selectively operable pump with an inlet and an outlet, for increasing the given pressure of the common supply of pressurized fluid. A fluid reservoir is in selective fluid communication with the inlet of the pump. Controllable valve means are interposed between each of the two or more actuators and the common supply of pressurized fluid for selectively bringing each of the two or more actuators into fluid communication with the common supply of pressurized fluid in response to a control unit for controlling the valve means and the pump. | 08-04-2011 |
20110266760 | VIBRATION-DAMPING CONTROLLING APPARATUS OF VEHICLE - A vibration-damping controlling apparatus of a vehicle for suppressing vibration including a component in a pitch direction or in a bounce direction occurring in the vehicle by an input from a road surface to wheels of the vehicle by controlling driving force of the vehicle is provided with a setting means that sets a vibration-damping control compensation amount by feedback control based on a wheel speed of the wheels of the vehicle and a driving force controlling means that controls driving force of a power source for travel of the vehicle so as to suppress amplitude of the vibration based on the vibration-damping control compensation amount and changes the vibration-damping control compensation amount based on a state of the vehicle, so that the vibration-damping controlling apparatus of the vehicle can execute appropriate vibration-damping control corresponding to the state of the vehicle. | 11-03-2011 |
20120056389 | VEHICLE SUSPENSION AND PNEUMATIC SYSTEMS - A vehicle has a frame, at least one front wheel connected to the frame, at least one front suspension assembly connecting the at least one front wheel to the frame, at least one rear wheel connected to the frame, and at least one rear suspension assembly connecting the at least one rear wheel to the frame. At least one of the at least one front and at least one rear suspension assemblies includes an air spring. A seat is connected to the frame. An engine is connected to the frame and is operatively connected to at least one of the wheels. An air compressor is connected to the frame and fluidly communicates with the at least one air spring for supplying air to the at least one air spring. A control unit is electrically connected to the air compressor for controlling an operation of the air compressor. | 03-08-2012 |
20140319787 | WHEEL SUSPENSION FOR A MOTOR VEHICLE - A wheel suspension for a two-track motor vehicle includes a multi-link assembly having control arms that are articulated on a vehicle body and on a wheel carrier, a rotary actuator for an active suspension control system, with a motor-gear-unit constructed to transfer torques as actuating forces to the multi-link assembly via a torsion rod, and at least one reinforcing brace independent of the multi-link assembly and disposed on a side of the vehicle body and extending below the multi-link assembly, as viewed in a vertical direction of the vehicle body. The reinforcing brace delimits downwardly in the vehicle's vertical direction a free space, in which the rotary actuator is at least partially arranged. | 10-30-2014 |
20150084289 | SYSTEMS, DEVICES, AND METHODS INCLUDING A STAND-UP WHEEL CHAIR HAVING AUTOMATIC STABILITY CONTROL - Systems, devices, and methods are described for providing, among other things, a stand-up wheel chair having automatic stability control. | 03-26-2015 |
20150108726 | VEHICLE SUSPENSION APPARATUS WITH BAR AND BODY LOAD REACTION COMPONENT FOR RIDE HEIGHT MANAGEMENT - A suspension apparatus for a vehicle includes a bar operatively connectable to driver-side and passenger-side suspension corner assemblies to extend therebetween and rotatably mountable to the vehicle body between the suspension corner assemblies. The suspension apparatus also includes a body load reaction component that is operatively connectable to at least one of the body and the bar. The body load reaction component is engaged to provide reaction force on the body to manage vertical displacement of the body. | 04-23-2015 |
20150130145 | WHEEL SUSPENSION FOR VEHICLES - Herein provided is a suspension assembly that can constantly maintain a frictional force between the ground contact surface of a rear wheel and the road surface when a vehicle goes around a curve. The suspension assembly includes a suspension mechanism and a linkage mechanism. The suspension mechanism is configured to allow a center-of-rotation shaft of the rear wheel to be displaced with respect to a vehicle body in the vertical direction. The linkage mechanism is configured to link the suspension mechanism and the center-of-rotation shaft such that an axis of roll of the vehicle body is constantly located in the vicinity of the contact ground surface and movement of the center-of-rotation shaft with respect to the suspension mechanism is allowed. | 05-14-2015 |
20160052591 | VEHICLE AND VEHICLE COMPONENTS - A vehicle includes a suspended assembly that supports a main body and a suspension system for connecting the suspended assembly to the main vehicle body. The suspended assembly assists in providing directional control of the vehicle and stability in a lateral direction relative to a normal straight-ahead direction of travel of the vehicle. The suspension system including first and second suspension arrangements that control movement of the suspended assembly relative to the main vehicle body through a range of motion along first and second paths that are primarily perpendicular to the lateral direction. The second path differs from the first path such that the combination of the range of motion of the first suspension arrangement along the first path and the second path result in an overall range of motion for the suspended assembly relative to the main body that is defined by a surface area. | 02-25-2016 |
20160144682 | Active Vehicle Suspension System and Method for Managing Drive Energy - A vehicle drive energy management and active suspension control system and operative methodology in which ground/pathway anomalies are sensed and the relationship thereof to the vehicle chassis is used to enable or automatically effect adjustment of chassis supporting actuators to reduce resisting effects and/or increase assisting effects of the encountered ground/pathway anomalies and thus reduce the vehicle drive energy that would otherwise be required to efficiently move the vehicle in the intended direction, yet maintain the stability of the vehicle. | 05-26-2016 |
20160159180 | Automobile Having a Suspension with a Highly Progressive Linkage and Method for Configuring Thereof - An Automobile having a Suspension with a highly Progressive linkage is disclosed. Method for configuring such a linkage to achieve desired performance is provided. | 06-09-2016 |
20170233032 | VEHICLE AND VEHICLE COMPONENTS | 08-17-2017 |