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1. 发明申请

US20230134660A1 LOAD MONITORING, BRAKING CONTROL, AND HEIGHT MANAGEMENT 有权
公开(公告)号：US20230134660A1
公开(公告)日：2023-05-04
申请号：US17912321
申请日：2021-03-16
申请人： BASE AIR MANAGEMENT LIMITED
发明人： David Bryan LEWIS , Joseph CALAWAY , Matthew VAUGHAN , Anthony THURGAR
IPC分类号： B60G17/015 , B60G17/019 , B60G17/052 , B60G17/056
摘要： Systems and methods for load monitoring and/or braking control. The load monitoring may include calculating a weight on one or more axles of a vehicle or a trailer using cross-flow pressure information indicative of an air pressure within a cross-flow passage between first and second leveling valves of first and second pneumatic circuits configured to adjust independently heights on first and second sides, respectively, of the vehicle or the trailer. The braking control may include (i) using the cross-flow pressure and speed and/or acceleration information indicative of a speed and/or acceleration of the vehicle and/or the trailer to calculate first and second brake application levels and (ii) applying the calculated first and second brake application levels to first and second brakes on the first and second sides, respectively, of the vehicle or the trailer.

2. 发明申请

US20230133918A1 HYDROPNEUMATIC SUSPENSION SYSTEM FOR VEHICLES 有权
公开(公告)号：US20230133918A1
公开(公告)日：2023-05-04
申请号：US17910928
申请日：2021-03-01
申请人： HYDAC MOBILHYDRAULIK GMBH
发明人： Marc ANTON
IPC分类号： B60G17/015 , B60G17/056 , B60G11/26 , B60G11/30 , B62D33/06
摘要： A hydropneumatic suspension system for vehicles, at least consisting of an axle suspension (10) and a cabin suspension (12), which for supplying them with pressurized fluid, can be connected to a pressure supply source, is characterized in that both the axle suspension (10) and the cabin suspension (12) can be actuated jointly by means of an control device (14), and in that, by means of a priority detection system (16) involving a sensor device (18) for the respective suspension (10, 12), the supply with pressurized fluid of the one suspension (10, 12) takes precedence depending on demand over the other suspension (12, 10).

3. 发明授权

US11590819B2 CAirS with integrated fast down leveling valves 有权
公开(公告)号：US11590819B2
公开(公告)日：2023-02-28
申请号：US16898163
申请日：2020-06-10
申请人： Continental Automotive Systems, Inc
发明人： Matthew Letizio , Gerald Geck , Daniel Goodrich , Matthew Tuhro
IPC分类号： B60G17/015 , B60G17/052 , B60G17/056
摘要： An air suspension system includes an air supply system block including one or more air spring valves, where the one or more air spring valves are disposed within the air supply system block, the air supply system block having a valve block housing. The system further includes the air supply system block pneumatically coupled with one or more air springs, and at least one reservoir coupled with the air supply system block, at least one motor and pump disposed within the air supply system block. The air suspension further includes fast down leveling valves disposed within the air supply system block.

4. 发明申请

US20220396114A1 Vehicle Height Control System 有权
公开(公告)号：US20220396114A1
公开(公告)日：2022-12-15
申请号：US17348641
申请日：2021-06-15
申请人： Stephen Ray Lynn
发明人： Stephen Ray Lynn
IPC分类号： B60G17/056 , B60G11/27 , B60G17/04
摘要： A vehicle height control system and method of increasing a vehicle height of a vehicle having a vehicle body and at least one axle assembly. The vehicle height control system includes a pressurized fluid supply system configured to supply a pressurized fluid, and a plurality of air springs provided to elastically support at least one section of the vehicle body of the vehicle above at least one axle assembly of the vehicle and configured to adjust the vehicle height of such sections of the vehicle body relative to a ground surface in response to the supply and discharge of the pressurized fluid. A control assembly of the vehicle height control system has a piston unit fluidically interconnected with the pressurized fluid supply system via a first control valve and is operable to adjust the vehicle height by adjusting a second control valve interposed between the pressurized fluid supply system and the air springs. A controller is configured to receive user input indicative of a Vehicle height adjustment operation desired by a user and to adjust the vehicle height by controlling the control assembly based on the user input.

5. 发明授权

US11376917B2 Oscillating axle for a lifting device, lifting device comprising such an axle and control method 有权
公开(公告)号：US11376917B2
公开(公告)日：2022-07-05
申请号：US17009217
申请日：2020-09-01
申请人： HAULOTTE GROUP
发明人： Alexandre Simon , Rémy Cognet
IPC分类号： B60G17/056 , B60G9/02
摘要： This oscillating axle (3) for a lifting device (1) comprises an axle bridge (5) at the ends of which are mounted two ground connection members (7), an oscillation axis (X3), a left jack (9) and a right jack (11), each jack (9, 11) having a rod (90, 110) in contact with the bridge (5) and a body (92, 112) fixed on a fixed part (13) of a chassis (2) of the lifting device (1), the body (92, 112) forming a chamber (94, 114) in which the rod (90, 110) moves. The axle comprises a hydraulic circuit (15) interconnecting the chambers (92, 112) of the left (9) and right (11) jacks, in which a fluid is present at a given pressure, making it possible to press the rods (90, 110) of the left jack (9) and of the right jack (11) against the bridge (5), and at least one solenoid valve (150, 152) on a branch (15A) of the hydraulic circuit (15) connected to the chamber (94) of the left jack (9), and at least one solenoid valve (154, 156) on a branch (15B) of the hydraulic circuit (15) connected to the chamber (114) of the right jack (11), wherein each of these solenoid valves (150, 152, 154, 156) may be positioned in an open position, in which fluid may flow freely, and a closed position, in which the fluid is trapped in the chamber (94, 114) of the corresponding jack (9, 11). Each of the chambers (94, 114) of the left jack (9) and of the right jack (11) has a pressure sensor (23, 25) designed to measure the pressure of the fluid in each of the chambers (94, 114). Control means (21) are provided to detect a pressure in one of the chambers (94, 114) that is greater than a first threshold, and/or a differential between the pressures in each of the chambers (94, 114) that is greater than a second threshold, so as to detect the blocking of a solenoid valve (150, 152, 154, 156) in the closed position, and to initiate a safety procedure.

6. 发明授权

US11339846B2 Suspension apparatus and recording medium 有权
公开(公告)号：US11339846B2
公开(公告)日：2022-05-24
申请号：US16688483
申请日：2019-11-19
申请人： Showa Corporation
发明人： Kota Suzuki
IPC分类号： F16F9/46 , F16F9/50 , B60G17/056 , B60G17/08
摘要： A suspension apparatus includes: a damping device; an operating section; and a determination section. The determination section uses a base damping force determined based on a change velocity and an extension occasion adjustment value, or the base damping force, the extension occasion adjustment value and a zero occasion adjustment value to determine a target value of an extension occasion damping force. The determination section uses the base damping force, a compression occasion adjustment value and the zero occasion adjustment value, or the base damping force and the compression occasion adjustment value to determine a target value of an compression occasion damping force. The determination section uses the base damping force and the zero occasion adjustment value to determine a target value of a zero occasion damping force.

7. 发明申请

US20220144035A1 SUSPENSION SYSTEM WITH MULTIPLE WORKING MODES 有权
公开(公告)号：US20220144035A1
公开(公告)日：2022-05-12
申请号：US17435191
申请日：2020-04-15
申请人： TENNECO AUTOMOTIVE OPERATING COMPANY, INC.
发明人： Monzer AL SAKKA , Miguel DHAENS
IPC分类号： B60G17/056 , B60G17/005 , B60G17/08 , B60G17/016
摘要： The active suspension system includes right and left dampers, a pump, and a control valve system. Each of the right and left dampers includes a damper housing, a piston rod, and a piston that is mounted on the piston rod. The piston is arranged in sliding engagement inside the damper housing such that the piston divides the damper housing into first and second working chambers. The pump includes a pump intake and a pump outlet. The control valve system is connected in fluid communication with the first and second working chambers of the right damper, the first and second working chambers of the left damper, the pump intake, and the pump outlet. The control valve system has several different arrangements of fluid flow paths that provide different working modes for the active suspension system.

8. 发明申请

US20220105770A1 PREVIEW DAMPING CONTROL APPARATUS AND METHOD FOR A VEHICLE 有权
公开(公告)号：US20220105770A1
公开(公告)日：2022-04-07
申请号：US17494301
申请日：2021-10-05
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA
发明人： Hiroki FURUTA
IPC分类号： B60G17/018 , B60G11/26 , B60G17/019 , B60G17/056
摘要： A damping force control apparatus for a vehicle in which road surface displacement-related information corresponding to left and right wheels detected by a pair of in-vehicle detection devices is transmitted to a preview reference database control device together with the detection position information, a preview reference database including road surface displacement-related values is created, preview damping control that reduces vibration of a sprung of the vehicle is performed using the road surface displacement-related values in the preview reference database, and it is assumed that road surface displacement-related values in predetermined adjacent regions located in a direction crossing a traveling direction of the vehicle with respect to two points where the road surface displacement-related information was detected by the pair of in-vehicle detection devices are the same as an in-phase component of the road surface displacement-related values at the two points.

9. 发明授权

US11213441B2 Suspension for wheeled vehicles 有权
公开(公告)号：US11213441B2
公开(公告)日：2022-01-04
申请号：US16726562
申请日：2019-12-24
申请人： Invacare Corporation
发明人： Gerold Goertzen , William A. Null , Robert L. Cuson
IPC分类号： A61G5/04 , A61G5/10 , A61G5/06 , B60G17/005 , B60G15/08 , B60G17/048 , B60G17/056 , B60G7/00 , B60G17/015 , B60G17/016 , B60G17/08 , F16F9/53
摘要： A wheelchair suspension comprises a frame, at least one pivot arm, at least one front caster, at least one rear caster, a stabilizing system, and a sensor. The pivot arm is coupled to the frame. The front caster is coupled to the pivot arm. The rear caster is coupled to the frame. The stabilizing system is coupled to the frame and the pivot arm. The sensor is arranged such that tipping of the frame causes actuation of the stabilizing system to at least partially resist further movement of the frame.

10. 发明申请

US20210268858A1 Suspension Pre-Load Adjustment System 有权
公开(公告)号：US20210268858A1
公开(公告)日：2021-09-02
申请号：US17324942
申请日：2021-05-19
申请人： Polaris Industries Inc.
发明人： Gordon J. Steinmetz , Jonathon P. GRAUS , David D. HELGESON
IPC分类号： B60G17/015 , B60G11/58 , B60G15/06 , B60G17/019 , B60G17/02 , B60G17/027 , B60G17/056 , F16F1/12 , F16F9/56
摘要： A suspension system for a vehicle and method for operating the same includes a shock absorber housing having a longitudinal axis, a spring disposed around the shock absorber housing, a retainer collar disposed around the shock absorber housing and an actuator engaged to the retainer collar. The actuator moves at least a portion of the retainer collar to move the spring in a direction corresponding the longitudinal axis. A switch generates a ride height position signal. A controller is coupled to the actuator and the switch. The controller controls a position of the actuator in response to the ride height position signal.

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