公开(公告)号：WO2022144787A1

公开(公告)日：2022-07-07

申请号：PCT/IB2021/062410

申请日：2021-12-29

Applicant: MARELLI SUSPENSION SYSTEMS ITALY S.P.A.

Inventor： SEMINARA, Massimo ,  PICCINNO, Andrea ,  CURCURUTO, Gabriele ,  PAGANO, Giuseppe ,  ARRIGONI, Andrea

IPC: B60G7/04 ,  B60G15/06 ,  B60G17/027 ,  B60G17/0165 ,  B60G1/00

Abstract: A device (9) for adjusting the bumper clearance and/or spring preload in a vehicle suspension comprises a cylindrical body (12), internally hollow; a primary flange (14), adapted to be connected to the suspended mass of the vehicle and to the upper end of a shock absorber rod (18); a secondary flange (16), adapted to form an upper abutment for the main spring of the vehicle suspension; a primary actuator (20), coaxial to the cylindrical body (12) and slidably received within the same; and a bumper (24), adapted to form, by bearing against the shock absorber cylinder of the vehicle suspension, a limit stop for the oscillation of the suspended mass of the vehicle; wherein the primary actuator assembly (20) and bumper (24) is configured to be axially penetrated by the shock absorber rod (18) and to slide with respect to the shock absorber rod (18).

公开(公告)号：WO2022074578A1

公开(公告)日：2022-04-14

申请号：PCT/IB2021/059157

申请日：2021-10-06

Applicant: MARELLI SUSPENSION SYSTEMS ITALY S.P.A.

Inventor： SEMINARA, Massimo ,  PICCINNO, Andrea ,  CURCURUTO, Gabriele ,  PAGANO, Giuseppe ,  ARRIGONI, Andrea

IPC: B60G7/04 ,  B60G15/06 ,  F16F9/58 ,  B60G17/027

Abstract: A device (9) for the adjustment of the attitude of a motor vehicle comprises a cylindrical body (10), which includes a first flange (12) adapted to form an upper abutment of a main spring of an automotive suspension, said cylindrical body (10) defining a chamber (14b) wherein two linear actuators (24, 30) are slidable, a first actuator of which is connected to a buffer (22), adapted to form a limit stop for the oscillation of the sprung mass of the vehicle, and a second actuator (30) is configured to be connected to the sprung mass of the motor vehicle.