Torsion spring set

• US 20040026840A1
• Filed: 03/20/2003
• Published: 02/12/2004
• Est. Priority Date: 09/27/2000
• Status: Abandoned Application

• Current Assignee: Carl Freudenberg KG
• Original Assignee: Carl Freudenberg KG
• Inventors: Hirsch, Volker, Eckel, Hans-Gerd, Kunkel, Anja, Moog, Erhard
• Application Number:
  US10/380,976
• Publication Number:
  US 20040026840A1
• Time in Patent Office: Days
• US Class Current: 267/154
• CPC Class Codes: F16D 3/52 comprising a continuous strip, spring, or the like engaging the coupling parts at a number of places
• CPC Class Codes: F16D 3/62 the links or their attachments being elastic
• CPC Class Codes: F16F 1/025 characterised by having a particular shape F16F1/04, F16F1/14, F16F1/18, F16F1/32, F16F1/34 take precedence
• CPC Class Codes: F16F 1/14 Torsion springs consisting of bars or tubes
• CPC Class Codes: F16F 1/422 the stressing resulting in flexion of the spring
• CPC Class Codes: F16F 15/1213 Spiral springs, e.g. lying in one plane, around axis of rotation

Abstract

The present invention relates to a torsion spring set especially for the powertrain system of a motor vehicle, having a first internally located component (1) and a second externally located component (2) situated in such a way that it may be rotated in relation thereto, and having a spring (3) acting between the first and second component (1, 2) embodied in the form of a torsion spring, and also having a first securing device (7) for connecting a first end section (9) of the spring (3) to the first component (1) and a second securing device (8) for connecting a second end section (10) of the spring (3) to the second component (2). The spring (3) extends essentially in the direction of the periphery over at least one part of the periphery of the first component (1). At least one of the securing devices (7, 8) is embodied in such a way that the first and/or second end sections (9, 10) is/are moved in a radial direction to the second component (2) when the first component (1) is rotated.

Claims

15. (New) A torsion spring set comprising:

a first internally located component;

a second, externally located component rotationally situated relative to the first component;

a torsion spring acting between the first and the second component;

a first securing device for connecting a first end section of the spring to the first component; and

a second securing device for connecting a second end section of the spring to the second component, the spring peripherally extending over at least one part of a periphery of the first component, wherein at least one of securing devices is configured so that at least one of the first and the second end section is moved in a radial direction when the first component is twisted relative to the second component.

16. (New) The torsion spring set as recited in claim 15, wherein the spring is housed in an installation space which is limited by an external contour and an internal contour and wherein the spring lies adjacent to the external contour and to the internal contour so as to limit a maximum torsion angle between the first and the second component.

17. (New) The torsion spring set as recited in claim 16, wherein at least one of the external contour and the internal contour of the installation space are configured as circular arcs.

18. (New) The torsion spring set as recited in claim 16, wherein the external contour and the internal contour are positioned so as to be offset relative to each other.

19. (New) The torsion spring set as recited in claim 17, wherein a center point of the circular arcs of the external contour and the internal contour are located at a distance from each other.

20. (New) The torsion spring set as recited in claim 19, wherein, when the spring is compressed until it lies adjacent to the internal contour, the center point of the internal contour one of lies on and lies in the vicinity of a straight line through an axis of rotation and a center of a firmly clamped end section.

21. (New) The torsion spring set as recited in claim 19, wherein, when the spring is positioned such that the spring lies adjacent to the external contour, a center point of the external contour one of lie on and lies in the vicinity of a straight line through an axis of rotation and a center of the firmly clamped end section.

22. (New) The torsion spring set as recited in claim 15, wherein, when the first component is twisted relative to the second component, at least one of the securing devices is configured so that at least one of the first and the second end sections is rotated about a point of rotation.

23. (New) The torsion spring set as recited in claim 15, wherein at least one securing device has a first securing section on a spring side, which cooperates with a second securing section of one of the first and the second components.

25. (New) The torsion spring set as recited in claim 23, wherein the first securing section is configured as a securing flange having a tip, and wherein the first and the second securing section are configured such that the securing flange is rotated about its tip when the first component is twisted relative to the second component.

26. (New) The torsion spring set as recited in claim 15, wherein the spring extends about the first component by an angle of less than 360°

.

27. (New) The torsion spring set as recited in claim 15, wherein at least one spring combination of a number n of springs is provided, the springs being positioned parallel next to one another and offset in each case by an angle of 360°

/n.

24. (New) The torsion spring set as recited in claim 9, wherein the first and the second securing sections are connected to one another by form locking.