Inerter device for a wheel suspension of a vehicle

Patent metadata

Field	Value
Publication number	US-10378607-B2
Application number	US-201815911770-A
Country	US
Kind code	B2
Filing date	Mar 5, 2018
Priority date	Mar 7, 2017
Publication date	Aug 13, 2019
Grant date	Aug 13, 2019

Abstract

An inerter device for a wheel suspension of a vehicle, having an inerter mass and a mechanical inerter drive which is operatively connected to the inerter mass via a coupling device. The coupling device has a control disk connected to the inerter mass and a contour disk connected to the inerter drive. The control disk and contour disk are frictionally in contact with each other via coupling surfaces. The inerter mass is reversibly movable relative to the inerter drive from an operating position into a securing position. The control disk has a contact element which, during the movement of the inerter mass into the securing position, interacts with a mating contact element of the contour disk and therefore reversibly moves the control disk from a coupling position relative to the contour disk into a release position in which the coupling surfaces are separated.

First claim

What is claimed is:

1. An inerter device for a wheel suspension of a vehicle,
the inerter device having an inerter mass and a mechanical inerter drive which, in order to generate an inerter mass movement, is operatively connected to the inerter mass via a coupling device,
wherein the coupling device has a control disk connected to the inerter mass and a contour disk connected to the inerter drive,
said control disk and contour disk being frictionally in contact with each other via coupling surfaces,
wherein the inerter mass is movable relative to the inerter drive counter to a spring force of a spring device reversibly from an operating position (BP) into a securing position (SP),
wherein the control disk has a contact element which, during the movement of the inerter mass into the securing position (SP), interacts with a mating contact element of the contour disk and reversibly moves the control disk from a coupling position (KP) relative to the contour disk into a release position (FP) in which the coupling surfaces are separated.

2. The inerter device as claimed in claim 1 , wherein the contact element has a sliding surface which, during the movement of the inerter mass into the securing position (SP), slides on the mating contact element configured as a mating sliding surface of the contour disk.

3. The inerter device as claimed in claim 2 , wherein the sliding surface and the mating sliding surface are oriented parallel or substantially parallel to each other, wherein either one or both of the sliding surface and the mating sliding surface includes an oblique plane.

4. The inerter device as claimed in claim 2 , wherein the sliding surface and the mating sliding surface are configured for a quantitatively controlled movement from the coupling position (KP) into the release position (FP).

5. The inerter device as claimed in claim 1 , wherein the spring device has a torsion spring which is fastened at one end to the inerter mass and at the other end to an end of the inerter drive that faces away from the inerter mass.

6. The inerter device as claimed in claim 5 , wherein the torsion spring is loaded in an axial direction with a pretensioning force by a pretensioning spring.

7. The inerter device as claimed in claim 1 , wherein the mechanical inerter drive has a slotted drive link in the form of a driving thread.

8. The inerter device as claimed in claim 1 , wherein the inerter mass is mounted via a bearing device for a rotatorially configured inerter mass movement.

9. The inerter device as claimed in claim 1 , wherein an additional bearing device, in the form of a rolling bearing, is arranged between the inerter mass and the contour disk.

10. A stabilizing device for the wheel suspension of a vehicle, having a spring device for absorbing forces acting on the wheel suspension, a damper device for damping speeds acting on the wheel suspension, and the inerter device of claim 1 for controlling accelerations acting on the wheel suspension.

Assignees

• Porsche Ag

Inventors

• Von Tardy-Tuch Georg
• Röding Philipp

Classifications

• B60G2204/424

  Mechanisms for force adjustment, e.g. constant force mechanisms · CPC title

• F16F9/44 Primary

  Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction (F16F9/53, {F16F13/26} take precedence; temperature correction only F16F9/52) · CPC title

• B60G2206/41

  Dampers · CPC title

• B60G2204/418

  Bearings, e.g. ball or roller bearings · CPC title

• F16F9/14

  Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect · CPC title