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    Air-spring assembly
    1.
    发明授权
    Air-spring assembly 有权

    公开(公告)号：US12291072B2

    公开(公告)日：2025-05-06

    申请号：US17823156

    申请日：2022-08-30

    Applicant: DRiV Automotive Inc.

    Inventor： Miguel Dhaens ,  Monzer Al Sakka ,  Emilie Florence Simone Boulay ,  Vytautas Bucinskas

    IPC: B60G17/052 ,  B60G11/27 ,  B60G11/30

    Abstract: An air-spring assembly includes a flexible bellows extending from a top end to a bottom end and enclosing an air-spring chamber between the top end and the bottom end, a first panel partially defining the air-spring chamber and movable in response to a pressure of the air-spring chamber, an enclosure partially defining a working chamber fluidly isolated from the air-spring chamber, a second panel partially defining the working chamber and movable relative to the enclosure, and a linkage member fixed relative to the first panel and to the second panel and defining a fixed distance between the first panel and the second panel. The top and bottom ends are fixable to a frame and a wheel of a vehicle, respectively. A volume of the air-spring chamber varies with movement of the bottom end relative to the top end. Movement of the second panel changes a volume of the working chamber.

    Vehicle Suspension System With Passive And Active Roll Control
    2.
    发明申请
    Vehicle Suspension System With Passive And Active Roll Control 有权

    公开(公告)号：US20250083488A1

    公开(公告)日：2025-03-13

    申请号：US18958462

    申请日：2024-11-25

    Applicant: DRiV Automotive Inc.

    Inventor： Monzer AL SAKKA ,  Miguel DHAENS

    IPC: B60G17/08 ,  B60G13/08

    Abstract: A suspension system including four dampers each having a compression chamber and a rebound chamber. First and second hydraulic circuits interconnect the compression and rebound chambers of the front dampers, while third and fourth hydraulic circuits interconnect the compression and rebound chambers of the back dampers. A first longitudinal hydraulic line extends between and connects the first and third hydraulic circuits and a second longitudinal hydraulic line extends between and connects the second and fourth hydraulic circuits. A single bi-directional pump is connected in-line with a fluid distribution line that extends between and connects the first and second longitudinal hydraulic lines a can pump fluid in opposite directions through the fluid distribution line to provide active roll stiffness.

    Bellows accumulator fixation apparatus for suspension dampers
    3.
    发明授权
    Bellows accumulator fixation apparatus for suspension dampers 有权

    公开(公告)号：US12227047B2

    公开(公告)日：2025-02-18

    申请号：US17726735

    申请日：2022-04-22

    Applicant: DRiV Automotive Inc.

    Inventor： Jan Vochten ,  Stefan Peerenbooms ,  Tom Daniels ,  Gunter Vandenborne ,  Kenny Berwaerts

    IPC: B60G13/14 ,  B60G13/10 ,  B60G17/08

    Abstract: An accumulator for a vehicle suspension damper, which includes an outer shell with an open end that connects to an accumulator port on the damper and a distal end, opposite the open end, which includes an end wall that extends radially inward to a gas charging port. A bellows assembly, which includes an annular bellows wall extending between proximal and distal plates, is positioned inside the outer shell to define a pressurized gas chamber inside the accumulator that is arranged in fluid communication with the gas charging port. The gas charging port includes a stem that extends inwardly from the end wall of the outer shell and the distal plate of the bellows assembly has an inner diameter that is received on the stem. The inner diameter of the distal plate is coupled to the stem of the gas charging port by a fixation component.

    Inertance-integrated damping system for wheel assembly bushings
    4.
    发明授权
    Inertance-integrated damping system for wheel assembly bushings 有权

    公开(公告)号：US12179601B2

    公开(公告)日：2024-12-31

    申请号：US17590308

    申请日：2022-02-01

    Applicant: DRiV Automotive Inc.

    Inventor： Zheng Jiang ,  Nicholas Joseph Wills ,  Yi-Yuan Li ,  Miguel Dhaens ,  Simon Andrew Neild ,  Thomas Lewis Hill

    IPC: B60K7/00 ,  B60B27/00 ,  F16C17/10 ,  H02K7/00 ,  H02K7/102

    Abstract: A wheel assembly bushing for in-wheel electric motors where the bushing includes a hydraulic chamber positioned within a resilient sleeve of the bushing and a helical fluid channel that extends helically about an inner bushing member between first and second fluid channel ends, which are arranged in fluid communication with the hydraulic chamber. An outer body extends annularly about the resilient sleeve, which permits relative movement between the inner bushing member and the outer body. The fluid channel is configured to produce inertance. This inertance, when combined with other damping and stiffness effects of the wheel assembly bushing, provides phase and magnitude shifts between force and velocity, which ultimately reduce magnetic gap deformation in the in-wheel electric motor.

    VEHICLE SUSPENSION SYSTEM WITH PASSIVE AND ACTIVE ROLL CONTROL
    5.
    发明申请
    VEHICLE SUSPENSION SYSTEM WITH PASSIVE AND ACTIVE ROLL CONTROL 有权

    公开(公告)号：US20240383304A1

    公开(公告)日：2024-11-21

    申请号：US18197382

    申请日：2023-05-15

    Applicant: DRiV Automotive Inc.

    Inventor： Monzer AL SAKKA ,  Miguel DHAENS

    IPC: B60G17/08 ,  B60G13/08

    Abstract: A suspension system including four dampers each having a compression chamber and a rebound chamber. First and second hydraulic circuits interconnect the compression and rebound chambers of the front dampers, while third and fourth hydraulic circuits interconnect the compression and rebound chambers of the back dampers. A first longitudinal hydraulic line extends between and connects the first and third hydraulic circuits and a second longitudinal hydraulic line extends between and connects the second and fourth hydraulic circuits. A first bi-directional pump is connected in-line with a fluid distribution line that extends between and connects the first and second longitudinal hydraulic lines a can pump fluid in opposite directions through the fluid distribution line to provide active roll stiffness.

    FULCRUM AND CHECK DISCS FOR SHOCK ABSORBER WITH OPTIMIZED BLEED RANGE AND TUNEABILITY
    6.
    发明申请
    FULCRUM AND CHECK DISCS FOR SHOCK ABSORBER WITH OPTIMIZED BLEED RANGE AND TUNEABILITY 有权

    公开(公告)号：US20240376953A1

    公开(公告)日：2024-11-14

    申请号：US18313509

    申请日：2023-05-08

    Applicant: DRiV Automotive Inc.

    Inventor： Franky MONTAGNA ,  Werner BOSMANS

    IPC: F16F9/348

    Abstract: A shock absorber for a vehicle including a pressure tube defining a fluid chamber, a piston disposed within the fluid chamber and including a fluid passage, and a valve assembly. The valve assembly includes a restriction disc, an orifice disc, a fulcrum disc, and a check disc. The restriction disc includes a first ring, a first finger, and a first orifice. The first finger covers the fluid passage. The orifice disc includes a second ring, a second finger, and a second orifice. The second finger overlaps the first finger, and the second orifice is aligned with the first orifice. The check disc includes a third ring and a third finger above the second finger. The fulcrum disc has a fourth ring. Modifying the outer diameter of the third ring and the outer diameter of the fourth ring alters a damping response of the shock absorber.

    PISTON FOR SHOCK ABSORBER WITH OPTIMIZED BLEED RANGE AND TUNEABILITY
    7.
    发明申请
    PISTON FOR SHOCK ABSORBER WITH OPTIMIZED BLEED RANGE AND TUNEABILITY 有权

    公开(公告)号：US20240376952A1

    公开(公告)日：2024-11-14

    申请号：US18313460

    申请日：2023-05-08

    Applicant: DRiV Automotive Inc.

    Inventor： Franky MONTAGNA ,  Werner BOSMANS

    IPC: F16F9/348 ,  F16F9/36

    Abstract: A shock absorber for a vehicle including a pressure tube, a piston rod, and a piston assembly. The piston assembly includes a first disc, a second disc, and a piston body. The piston body includes first and second surfaces and first and second fluid passages. The piston body further includes a first circumferential land surrounding the first fluid passage and a second circumferential land surrounding the second fluid passage. The first circumferential land is located a first distance from the first surface. The first disc is selectively driven into engagement with the first circumferential land. The second circumferential land is located a second distance from the first surface. The second circumferential land is between the first surface and the first circumferential land. The second disc includes a first portion in sealing engagement with the second circumferential land and a second portion spaced apart from the piston body.

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