Compression-type mass damper, and suspension system and vehicle using the same

Patent metadata

Field	Value
Publication number	US-10228037-B2
Application number	US-201615264800-A
Country	US
Kind code	B2
Filing date	Sep 14, 2016
Priority date	Dec 14, 2015
Publication date	Mar 12, 2019
Grant date	Mar 12, 2019

Abstract

a compression plate enclosed by the damping mass, the compression plate applying a fixing force to the open space.

First claim

What is claimed is:

1. A compressive mass damper, comprising:
a damping mass formed with an open space, the damping mass enclosing an outer surface of a target through the open space and absorbing vibration of the target;
a weight body enclosed by the damping mass, the weight body applying weight to the damping mass; and
a compression plate enclosed by the damping mass, the compression plate applying a fixing force to the open space,
wherein a damper stud passes through the damping mass and is fixed to the compression plate to restrict separation of the weight body.

2. The compressive mass damper of claim 1 , wherein the damping mass is made of elastic material, and the weight body and the compression plate are made of metal.

3. The compressive mass damper of claim 1 , wherein the weight body and the compression plate are formed along with the damping mass by injection molding.

4. The compressive mass damper of claim 1 , wherein the damping mass comprises:
a compression body having the open space and provided with the compression plate;
a mass body including the weight body over the open space; and
an elastic body integrally coupling the compression body with the mass body and absorbing the vibration.

5. The compressive mass damper of claim 4 , wherein the compression body is provided with a plurality of protrusions, wherein the protrusions are exposed to the open space and brought into contact with the target.

6. The compressive mass damper of claim 5 , wherein each of the protrusions has a hemispherical shape.

7. The compressive mass damper of claim 4 , wherein the elastic body has a reversed trapezoidal cross-section extending from the mass body to the compression body and is formed with a void.

8. The compressive mass damper of claim 7 , wherein the void has a reversed trapezoidal cross-section.

9. The compressive mass damper of claim 4 , wherein the weight body has a shape corresponding to a shape of the mass body and is formed with a mass charging space.

10. The compressive mass damper of claim 9 , wherein a weight of the weight body is adjusted by changing size and shape of the mass charging space.

11. The compressive mass damper of claim 1 , wherein the compression plate has a shape corresponding to a shape of the compression body.

12. The compressive mass damper of claim 1 , wherein the damper stud passes both through a stud passing hole that is concentric with a stud receiving space of the mass body and through a shaft hole of the weight body, and is fixed to a stud fixing hole of the compression plate.

13. The compressive mass damper of claim 12 , wherein the damper stud is fixed to the stud fixing hole by a fixing boss that is provided on an end of a stud shaft passing through the stud passing hole and the shaft hole.

14. A compressive mass damper, comprising:
a damping mass formed with an open space, the damping mass enclosing an outer surface of a target through the open space and absorbing vibration of the target;
a weight body enclosed by the damping mass, the weight body applying weight to the damping mass; and
a compression plate enclosed by the damping mass, the compression plate applying a fixing force to the open space,
wherein a compression body of the damping mass is provided with a plurality of protrusions which are exposed to the open space and brought into contact with the target.

15. A compressive mass damper, comprising:
a damping mass formed with an open space, the damping mass enclosing an outer surface of a target through the open space and absorbing vibration of the target;
a weight body enclosed by the damping mass, the weight body applying weight to the damping mass; and
a compression plate enclosed by the damping mass, the compression plate applying a fixing force to the open space,
wherein a weight of the weight body is adjusted by changing size and shape of the mass charging space.

16. A compressive mass damper, comprising:
a damping mass formed with an open space, the damping mass enclosing an outer surface of a target through the open space and absorbing vibration of the target;
a weight body enclosed by the damping mass, the weight body applying weight to the damping mass; and
a compression plate enclosed by the damping mass, the compression plate applying a fixing force to the damping mass which is compressed onto the target by a deformation to apply the fixing force to the open space.

17. A suspension system for a vehicle, comprising:
a compressive mass damper as in any one of claims 1 , 14 , 15 , and 16 ; and
a leaf spring to which the compressive mass damper is fixed in such a way that the leaf spring is enclosed by the compressive mass damper in a lateral direction of the leaf spring.

18. The suspension system of claim 17 , wherein the leaf spring includes an eye part provided with a bushing, and the compressive mass damper is fixed to a portion of the leaf spring other than the eye part.

19. A vehicle, comprising:
a compressive mass damper as in any one of claims 1 , 14 , 15 , and 16 ; and
a suspension system including a leaf spring to which the compressive mass damper is fixed in such a way that the compressive mass damper encloses an outer surface of the leaf spring, the suspension system being configured to avoid, using the compressive mass damper, influence of a resonant frequency of vibration transmitted from a road and a resonant frequency of vibration generated from an engine and a drive system and transmitted to a vehicle body.

20. The vehicle of claim 19 , wherein the suspension system is applied to a commercial vehicle.

21. The vehicle of claim 19 , wherein a rear axle configured to transmit power to a wheel mounted with the suspension system includes a bolting mass damper coupled to the rear axle by a bolt, the bolting mass damper being configured to absorb vibration of the rear axle.

Assignees

• Hyundai Motor Co Ltd

Inventors

• Kim Tae-Hyung

Classifications

• F16F7/108 Primary

  on plastics springs · CPC title

• B60G11/04

  arranged substantially parallel to the longitudinal axis of the vehicle · CPC title

• B60G9/003

  the axle being rigidly connected to a trailing guiding device · CPC title

• B60G9/02

  the axle or housing being pivotally mounted on the vehicle {, e.g. the pivotal axis being parallel to the longitudinal axis of the vehicle (B60G9/003 takes precedence)} · CPC title

• B60G2800/162

  Reducing road induced vibrations · CPC title