公开(公告)号：US11745558B2

公开(公告)日：2023-09-05

申请号：US17487874

申请日：2021-09-28

Applicant: ClearMotion, Inc.

Inventor： Zackary Martin Anderson ,  Marco Giovanardi ,  Clive Tucker ,  Jonathan R. Leehey ,  Colin Patrick O'Shea ,  Johannes Schneider ,  Vladimir Gorelik ,  Richard Anthony Zuckerman ,  Patrick W. Neil ,  Tyson David Sawyer ,  Ross J. Wendell

IPC: B60G17/016 ,  H02K7/06 ,  H02P21/06 ,  B60G13/14 ,  B60G17/015 ,  B60G17/018 ,  B60G17/08 ,  B60G99/00 ,  F16F9/32 ,  F16F9/46 ,  F16F9/06

CPC classification number: B60G17/016 ,  B60G13/14 ,  B60G17/0157 ,  B60G17/0182 ,  B60G17/08 ,  B60G99/002 ,  F16F9/064 ,  F16F9/3292 ,  F16F9/466 ,  H02K7/06 ,  H02P21/06 ,  B60G2202/15 ,  B60G2202/30 ,  B60G2202/413 ,  B60G2202/416 ,  B60G2202/42 ,  B60G2204/40 ,  B60G2206/41 ,  B60G2400/051 ,  B60G2400/5182 ,  B60G2400/821 ,  B60G2401/172 ,  B60G2500/02 ,  B60G2500/10 ,  B60G2600/182 ,  B60G2600/1871 ,  B60G2600/21 ,  B60G2600/73 ,  B60G2600/82 ,  B60G2800/162 ,  B60G2800/85 ,  B60G2800/916

Abstract: A method of on-demand energy delivery to an active suspension system is disclosed. The suspension system includes an actuator body, a hydraulic pump, an electric motor, a plurality of sensors, an energy storage facility, and a controller. The method includes disposing an active suspension system in a vehicle between a wheel mount and a vehicle body, detecting a wheel event requiring control of the active suspension; and sourcing energy from the energy storage facility and delivering it to the electric motor in response to the wheel event.

公开(公告)号：US11738615B2

公开(公告)日：2023-08-29

申请号：US17228302

申请日：2021-04-12

Applicant: Oshkosh Defense, LLC

Inventor： Patrick S. Dillman ,  Robert K. Sollenskog ,  Erik Ellifson ,  Aaron J. Rositch

IPC: F16F9/34 ,  B60G15/12 ,  B60G17/08 ,  F16F9/32 ,  F16F9/46 ,  F16F9/06

CPC classification number: B60G15/12 ,  B60G17/08 ,  F16F9/06 ,  F16F9/062 ,  F16F9/063 ,  F16F9/067 ,  F16F9/3292 ,  F16F9/46 ,  B60G2202/152 ,  B60G2202/24 ,  B60G2202/30 ,  B60G2500/10 ,  B60G2500/2014

Abstract: A suspension element includes a main body having an internal volume, a tubular element extending at least partially within the main body, the main body and the tubular element each including a sidewall having an inner surface and an outer surface, a first piston assembly separating the internal volume of the main body into a first chamber and a second chamber, the second chamber defined by the outer surface of the tubular element, the inner surface of the main body, and a surface of the first piston assembly, and a second piston assembly including a side that is directly exposed to the first chamber. The sidewall of the main body defines an aperture therethrough that forms a portion of a flow path between the first chamber and the second chamber. The first piston assembly is configured to prevent direct fluid communication between the first chamber and the second chamber.

公开(公告)号：US11685218B2

公开(公告)日：2023-06-27

申请号：US16943404

申请日：2020-07-30

Applicant: Dana Motion Systems Italia S.R.L.

Inventor： Alessandro Benevelli ,  Stefano Fasano ,  Daniele Dodi

IPC: B60G17/08 ,  B60G17/005 ,  B60G13/08

CPC classification number: B60G17/08 ,  B60G13/08 ,  B60G17/005 ,  B60G2202/24 ,  B60G2204/4605 ,  B60G2204/62 ,  B60G2206/41 ,  B60G2400/252 ,  B60G2400/60 ,  B60G2500/11

Abstract: Methods and systems for hydraulic vehicle suspension are provided. A hydraulic suspension system, in one example, includes a first manifold including a piston-side interface and a rod-side interface fluidically coupled to a piston chamber and a rod chamber, respectively, for each of a first hydraulic cylinder and a second hydraulic cylinder. In the system, the first manifold includes a first electrically activated valve fluidically coupled to the piston-side interfaces, a first damping device, and a second damping device, the first electrically activated valve is configured to lock and unlock vertical motion of the first and second hydraulic cylinders and, while vertical motion of the first and second hydraulic cylinders is locked, the first electrically activated valve permits fluidic communication between the first and second hydraulic cylinders to permit free roll motion in the hydraulic suspension system.

公开(公告)号：US20230115594A1

公开(公告)日：2023-04-13

申请号：US17499507

申请日：2021-10-12

Applicant: DRiV Automotive Inc.

Inventor： Nandish CALCHAND ,  Bert VANDERSMISSEN ,  Kylian PRAET ,  Stein SLOOTMAEKERS ,  Peter BOON

IPC: B60G17/056 ,  B60G17/048 ,  B60G17/08 ,  B60G17/044

Abstract: A rinsing system includes: a pump control module configured to, when a hydraulic line is connected to a port that is fluidly connected to a hydraulic line of a suspension system, selectively operate a hydraulic fluid pump of the suspension system and pump hydraulic fluid from a hydraulic fluid tank of the suspension system through the hydraulic fluid pump toward the hydraulic line; and a valve control module configured to, when the hydraulic line is connected to the port and the hydraulic fluid pump is pumping hydraulic fluid, open valves of the suspension system and fluidly connect the hydraulic fluid pump with the hydraulic line.

公开(公告)号：US20230111759A1

公开(公告)日：2023-04-13

申请号：US17499428

申请日：2021-10-12

Applicant: DRiV Automotive Inc.

Inventor： Bert VANDERSMISSEN ,  Peter BOON

IPC: B60G17/08 ,  B60G13/08

Abstract: A suspension system including four dampers is disclosed where each damper includes a compression chamber and a rebound chamber. A first hydraulic circuit includes a front hydraulic line, a rear hydraulic line, and a first longitudinal hydraulic line that extends between and fluidly connects the front and rear hydraulic lines of the first hydraulic circuit. A second hydraulic circuit includes a front hydraulic line, a rear hydraulic line, and a second longitudinal hydraulic line that extends between and fluidly connects the front and rear hydraulic lines of the second hydraulic circuit. First and second longitudinal comfort valves are positioned in the first and second longitudinal hydraulic lines, respectively, between the front and rear hydraulic lines. Both of the first and second longitudinal comfort valves are electromechanical valves and can be actuated to couple and decouple front axle roll control from rear axle roll control.

公开(公告)号：US20230109741A1

公开(公告)日：2023-04-13

申请号：US17499717

申请日：2021-10-12

Applicant: DRiV Automotive Inc.

Inventor： Bert VANDERSMISSEN ,  Peter BOON

IPC: B60G17/08 ,  B60G13/08

Abstract: A suspension system including four dampers where each damper includes compression and rebound chambers. The suspension system has four hydraulic circuits, each including a cross-over hydraulic line that extends between dampers located at opposite corners of the vehicle (i.e., between the front left and back right dampers or between the front right and back left dampers). The suspension system further includes four electromechanical comfort valves that open and close four bridge hydraulic lines that extend between the cross-over hydraulic lines at each corner of the vehicle. Each cross-over hydraulic line is connected to a manifold assembly by a corresponding manifold hydraulic line. The manifold assembly includes four manifold valves that are connected to a pump assembly and two manifold comfort valves. All six comfort valves are electromechanical valves that can be actuated to control the roll and pitch of the vehicle during cornering, braking, and acceleration.

公开(公告)号：US20230088419A1

公开(公告)日：2023-03-23

申请号：US17479149

申请日：2021-09-20

Applicant: Caterpillar Inc.

Inventor： Steven E. Johnson ,  Edward William Mate ,  Kalpeshkumar N. Patel

IPC: B60G17/08 ,  B60G13/08 ,  B60G17/0165 ,  B60G13/14

Abstract: A machine includes a first cylinder coupled to a first wheel and a second cylinder coupled to a second wheel. A first proportional dampening valve fluidly connects to the first cylinder and a second proportional dampening valve fluidly connects to the second cylinder. First accumulators are fluidly connected to the first cylinder and the first proportional dampening valve, and second accumulator(s) are fluidly connected to the second cylinder and the second proportional dampening valve. Additionally, a first proportional flow control valve fluidly connects to the first cylinder and a second proportional flow control valve fluidly connected to the second cylinder. An electronic control module (ECM) communicatively couples to the first proportional flow control valve and the second proportional flow control valve to adjust a ride height of the first wheel via the first cylinder and a ride height of the second wheel via the second cylinder.

公开(公告)号：US11602971B2

公开(公告)日：2023-03-14

申请号：US16798171

申请日：2020-02-21

Applicant: Fox Factory, Inc.

Inventor： Rick Strickland ,  Jeff Halper ,  Mike Labbe

IPC: B60G17/052 ,  B60G17/08 ,  F16F9/32 ,  F16K17/04 ,  F16F9/34

Abstract: A mechanical bypass for a shock assembly is disclosed herein. The assembly has a damper chamber having a compression portion and a rebound portion. There is further an external reservoir in fluid communication with the rebound portion of the damper chamber via a flow path. A valve is coupled with the flow path, the valve to meter a flow of the working fluid through the flow path. A bypass port to the external reservoir is provided in the flow path and bypasses the valve. A mechanical relief valve is provided in the bypass port to block a fluid flow though the bypass port until a blow-off pressure that is higher than a normal operating pressure and less than a burst pressure of the damping chamber is provided thereon.

公开(公告)号：US20230061032A1

公开(公告)日：2023-03-02

申请号：US17463924

申请日：2021-09-01

Applicant: DRiV Automotive Inc.

Inventor： Jon IRIONDO ,  Verónica DIEZ

IPC: B60G13/08 ,  F16F9/36 ,  B60G17/08 ,  F16F9/18

Abstract: A shock absorber including a pressure tube, a piston assembly slidably disposed within the pressure tube, and a fluid transfer tube that extends about the pressure tube, and a reserve tube that extends about the fluid transfer tube is provided. The piston assembly divides an inner volume of the pressure tube into first and second working chambers. An intermediate chamber between the pressure tube and the fluid transfer tube is arranged in fluid communication with the first working chamber. A reservoir chamber between the fluid transfer tube is arranged in fluid communication with the intermediate chamber. An insert is disposed within the intermediate chamber, reducing the volume of the intermediate chamber and defining a fluid transfer channel between the first working chamber and the reservoir chamber.

公开(公告)号：US11577575B2

公开(公告)日：2023-02-14

申请号：US17446378

申请日：2021-08-30

Applicant: AFCO Performance Group, LLC

Inventor： Alan Jeffrey Wilber

IPC: B60G17/08 ,  B60G13/00 ,  B60G13/08 ,  B60G17/016 ,  F16F9/46 ,  F16F9/18 ,  F16F9/32

Abstract: A hydraulic damper with one end connected to the body of a vehicle and a second end connected to a suspension system of a vehicle. The mechanism allows for multiple hydraulic-fluid metering valve positions to control piston resistance based on a variable pressure input using pressurized gas. The use of compressed gas to mechanically control a valve position allows changes to the piston resistance to be made quickly and to be increased or decreased as desired. The hydraulic damper features a control piston which in turn mechanically controls a valve needle within a hydraulic suspension piston. The position of the valve needle controls the damping characteristics of the suspension piston. When the control piston moves, the position of the valve needle is proportionally adjusted.