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Centrifugal pendulum device

A centrifugal pendulum and pendulum mass technology, applied in springs/shock absorbers, vibration suppression adjustment, mechanical equipment, etc., can solve problems such as reducing the service life of centrifugal pendulum devices, and achieve the effect of improving service life and optimizing contact force

Active Publication Date: 2019-12-20
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this pendulum movement has the disadvantage that the pendulum mass rotates frequently about the center position when passing through the center position, so that in particular in the center position there is a so-called center point wear, which can reduce the service life of the centrifugal pendulum device

Method used

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  • Centrifugal pendulum device

Examples

Experimental program
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Effect test

Embodiment Construction

[0027] figure 1 Shows a only schematic partial view of a centrifugal pendulum device 1 according to an embodiment of the invention with a flange element 2 as a support flange and a pendulum mass 3 as a centrifugal counterweight, the pendulum mass Part 3 is arranged displaceably mounted on flange element 2 . exist figure 1 The pendulum mass 3 shown in substantially two parts can be seen in a section of , wherein the entire centrifugal pendulum device 1 usually has a plurality of pendulum masses 3 which are arranged distributed in the circumferential direction.

[0028] Pendulum mass 3 is formed from two partial pendulum masses 4 arranged substantially parallel to one another, riveted together by means of support screws 5 or other connecting elements. Advantageously, each pendulum mass 3 is provided with at least two support bolts 5 . Alternatively, only one such support bolt 5 or also more support bolts can be provided. In this case, the support bolt 5 engages through an op...

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Abstract

The invention relates to a centrifugal pendulum device (1) with at least one rotatable flange element (2) and with pendulum masses (3) arranged on the flange element (2), which are displaceably mounted relative to the at least one flange element (2), the pendulum masses (3 ) are displaceably guided relative to the at least one flange element (2) by means of guide tracks (9, 10) in the respective pendulum mass (3) and in the at least one flange element (2) such that at least one roller element (8) is in each case between a respective guide track (9, 10) of the pendulum mass (3) and the at leastone flange element (2) supports the displacement of the pendulum mass (3) relative to the at least one flange element (2), the contours of the guideways (9, 10) in the pendulum mass (3) and in the atleast one flange element (2) are designed such that the respective pendulum mass (3) in at least one end region (100) of the guideways (9, 10) does not experience any tilting during a lateral shift.

Description

technical field [0001] The invention relates to a centrifugal pendulum device, in particular for a drive train of a motor vehicle. Background technique [0002] Various centrifugal pendulum devices are known in the prior art. Centrifugal pendulum devices damp or damp torsional vibrations that occur, for example, in the drive train of a motor vehicle. The terms buffering and mitigation are used below as simple synonyms. [0003] In this case, the centrifugal pendulum devices can be arranged directly on the component to be damped, for example on the transmission element or on the crankshaft. It is also known that these centrifugal pendulum devices are arranged on or integrated in a torsional vibration damper, for example in a dual-mass flywheel. [0004] Centrifugal pendulum devices usually have at least one drivable rotatable flange element and a centrifugal weight mounted displaceably on the flange element, the centrifugal weight as pendulum mass, wherein the pendulum mas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F15/14
CPCF16F15/145
Inventor 米哈伊尔·格沃兹杰夫哈特姆特·门德奥拉夫·魏纳
Owner SCHAEFFLER TECH AG & CO KG
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