Oscillation damper, in particular for a switch cabinet

Patent metadata

Field	Value
Publication number	US-11549564-B2
Application number	US-201816756718-A
Country	US
Kind code	B2
Filing date	Oct 16, 2018
Priority date	Oct 18, 2017
Publication date	Jan 10, 2023
Grant date	Jan 10, 2023

Abstract

A passive oscillation damper (8), in particular for a switch cabinet (2), includes a supporting structure (12) having a longitudinal direction (y) and a transverse direction (x) and with a central oscillating mass (14) mounted by means of spring elements (20, 22, 24, 26) so as to be able to oscillate in the longitudinal direction (y) and in the transverse direction (x). At least one peripheral oscillating mass (40, 42) is mounted on the central oscillating mass (14) so as to be slidable in the longitudinal direction (y) and to be movable relative to the central oscillating mass (14). At least one peripheral oscillating mass (44, 46) is mounted on the central oscillating mass (14) so as to be slidable in the transverse direction (x) and to be movable relative to central oscillating mass (14).

First claim

What is claimed is:

1. A passive oscillation damper comprising:
a supporting structure having a longitudinal direction and a transverse direction, the transverse direction being transverse to the longitudinal direction;
a central oscillating mass supported by first spring elements so as to be configured to oscillate in the longitudinal direction and in the transverse direction;
at least one first peripheral oscillating mass is mounted on the central oscillating mass so as to be slidable in the longitudinal direction and to be movable relative to the central oscillating mass; and
at least one second peripheral oscillating mass mounted on the central oscillating mass so as to be slidable in the transverse direction and to be movable relative to the central oscillating mass,
each of the at least one first peripheral oscillating mass and the at least one second peripheral oscillating mass being fastened to the supporting structure by at least one of the first spring elements or by at least one second spring element.

2. The oscillation damper according to claim 1 , wherein the at least one first peripheral oscillating mass is coupled to the central oscillating mass so as to be fixed in the transverse direction, and wherein the at least one second peripheral oscillating mass is coupled to the central oscillating mass so as to be fixed in the longitudinal direction.

3. The oscillation damper according to claim 1 , wherein the at least one first peripheral oscillating mass is supported so as to be configured to oscillate in the transverse direction relative to the supporting structure, and wherein the at least one second peripheral oscillating mass is supported so as to be configured to oscillate in the longitudinal direction relative to the supporting structure.

4. The oscillation damper according to claim 1 , wherein the central oscillating mass is coupled only indirectly in a resilient manner to the supporting structure by the first spring elements which are directly coupled to the respective at least one first and the at least one second peripheral oscillating masses.

5. The oscillation damper according to claim 1 , wherein the first and second spring elements are each a spring which is arranged in such a manner that the spring is stressed normal to a longitudinal direction of the spring.

6. The oscillation damper according to claim 5 , wherein the spring is formed from wire rope.

7. The oscillation damper according to claim 1 , further comprising guiding elements configured for preventing a rotation of the central oscillating mass relative to the supporting structure.

8. The oscillation damper according to claim 1 , wherein the central oscillating mass has a central body and guiding elements which project therefrom to both sides in the transverse and longitudinal direction, and on which the associated peripheral masses slide.

9. The oscillation damper according to claim 1 , wherein the at least one first peripheral oscillating mass includes two first peripheral oscillating masses and the at least one second peripheral oscillating mass includes two second peripheral oscillating masses.

10. The oscillation damper according to claim 9 , wherein the two first peripheral oscillating masses the two second peripheral oscillating masses form a cross-shaped arrangement, with the central oscillating mass in the centre.

11. The oscillation damper according to claim 1 , wherein an oscillating system comprising the central oscillating mass and the at least one first and at least one second peripheral oscillating masses is damped by dry dampers.

12. The oscillation damper according to claim 11 , wherein at least one of the dry dampers has a friction pad resting against the central oscillating mass.

13. The oscillation damper according to claim 12 , wherein the friction pad is pressed against the central oscillating mass by an adjustable clamping device.

14. The oscillation damper according to claim 1 , wherein the central oscillating mass is heavier than each of the at least one first and the at least one second peripheral oscillating masses.

15. The oscillation damper according to claim 1 , wherein an oscillating system comprising the central oscillating mass and the at least one first and at least one second peripheral oscillating masses is damped without viscous dampers.

16. The oscillation damper according to claim 1 , wherein the central oscillating mass and/or the at least one first and at least one second peripheral oscillating masses comprise seatings or fasteners for additional masses.

17. The oscillation damper according to claim 1 , wherein each of the at least one first and at least one second peripheral oscillating masses is fastened to the supporting structure by two of the second spring elements.

18. The oscillation damper according to claim 1 , wherein the oscillation damper is configured for a switch cabinet.

19. A switch cabinet comprising:
a passive oscillation damper comprising:
a supporting structure having a longitudinal direction and a transverse direction, the transverse direction being transverse to the longitudinal direction;
a central oscillating mass supported by first spring elements so as to be configured to oscillate in the longitudinal direction and in the transverse direction;
at least one first peripheral oscillating mass is mounted on the central oscillating mass so as to be slidable in the longitudinal direction and to be movable relative to the central oscillating mass; and
at least one second peripheral oscillating mass mounted on the central oscillating mass so as to be slidable in the transverse direction and to be movable relative to the central oscillating mass,
each of the at least one first peripheral oscillating mass and the at least one second peripheral oscillating mass being fastened to the supporting structure by at least one of the first spring elements or by at least one second spring element.

20. The switch cabinet according to claim 19 , wherein the oscillation damper is adapted to different oscillation frequencies in the longitudinal direction and the transverse direction by the central oscillating mass and/or the at least one first and at least one second peripheral oscillating masses and/or the first and second spring elements and/or dry dampers and/or additional masses.

Assignees

• Framatome Gmbh

Inventors

• Geiss Manfred
• Moussallam Nadim

Classifications

• F16F7/116 Primary

  on metal springs · CPC title

• F16F15/1414

  Masses driven by elastic elements (F16F15/145, F16F15/1464 take precedence) · CPC title

• H05K7/18

  Construction of rack or frame · CPC title

• F16F15/02

  Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems ({F16F15/005 takes precedence } ; layered products B32B; suppression of vibration in ships B63; {relieving load on bearings, using magnetic means F16C39/06}) · CPC title

• F16F7/10

  using inertia effect (F16F13/108, F16F13/22, F16F15/10, F16F15/22 take precedence; stabilising vehicle bodies by means of movable masses B62D37/04; protection of buildings against vibrations or shocks by mass dampers E04H9/0215; arrangements or devices for damping mechanical oscillations of power lines H02G7/14) · CPC title