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A double-flywheel-type shock absorber including a seal washer capable of ensuring primary flywheel leakproofness

A sealing gasket and double flywheel technology, applied in the field of transmission system, can solve the problems of primary flywheel deformation, weakened sealing effect, long time, etc.

Active Publication Date: 2017-02-08
VALEO EMBRAYAGES SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The time required to carry out the operation of fitting the plug into the hole of the primary flywheel is relatively long and implies a significant extension of the manufacturing cycle of the double flywheel shock absorber
Furthermore, the fitting operation can cause deformation of the primary flywheel due to the fitting force exerted by pressure
Finally, geometrical imperfections that can affect the primary flywheel and / or plug, impair the sealing effect, and do not ensure a reliable fixation of the plug in the bore of the primary flywheel
[0007] Therefore, this double flywheel shock absorber is not entirely satisfactory

Method used

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  • A double-flywheel-type shock absorber including a seal washer capable of ensuring primary flywheel leakproofness
  • A double-flywheel-type shock absorber including a seal washer capable of ensuring primary flywheel leakproofness
  • A double-flywheel-type shock absorber including a seal washer capable of ensuring primary flywheel leakproofness

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Experimental program
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Embodiment Construction

[0065] In the description and claims, the terms "outer" and "inner" and the orientations "axial" and "radial" are used to designate elements of the double flywheel shock absorber according to the definitions given in the description. By convention, the axis of rotation X of the double flywheel shock absorber determines the orientation "axial" and the orientation "radial" is orthogonal to the axis of rotation X of the double flywheel shock absorber and away from said axis from the inside towards the outside Oriented "circumferentially" perpendicular to the axis of the double flywheel damper and directed perpendicular to the radial direction. The terms "outer" and "inner" are used to define the relative position of one element with respect to the other by reference to the axis of rotation X of the double flywheel shock absorber, whereby, in contrast to the outer element positioned radially at the periphery, close to The elements of the axis are considered internal elements. Fur...

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Abstract

The invention relates to a double-flywheel-type shock absorber used for a motor vehicle. The shock absorber includes a plate fixed to a secondary flywheel through fixing components, a primary flywheel including a plurality of holes each of which is disposed to be opposite to one of the fixing components, and the seal washer adjacent to the primary flywheel axially and including a plurality of openings and a plurality of plugs, wherein the plurality of openings are distributed around the axis X, the plurality of plugs are axially raised towards the primary flywheel and each of the plugs is disposed between two adjacent openings of the plurality of openings. The seal washer can allow a fixing component mounting position where each opening is positioned to be opposite to one of the holes of the primary flywheel to move to a primary flywheel sealing position where each of the plugs is engaged to one of the holes of the primary flywheel.

Description

technical field [0001] The invention relates to the field of drive trains for motor vehicles, and in particular to a double flywheel shock absorber. Background technique [0002] Deflagration engines do not produce constant torque and have non-uniformities caused by successive explosions in their cylinders. These aperiodicities generate vibrations which can be transmitted to the gearbox and can thus lead to particularly undesirable impacts, disturbances and noise hazards. In order to reduce undesired effects caused by vibrations and to improve the driving comfort of motor vehicles, some motor vehicle drive trains are equipped with double flywheel shock absorbers. [0003] For example, a double flywheel shock absorber is described in document WO2011124805. The double flywheel damper includes a primary inertia flywheel intended to be fixed to the end of the crankshaft of the engine, a secondary inertia flywheel coaxial with the primary flywheel and forming a reaction disc of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F15/30F16F15/315
CPCF16F15/30F16F15/315F16F2222/08F16F15/13142F16F15/13185F16F2230/30
Inventor G·兰弗兰科B·拉波特
Owner VALEO EMBRAYAGES SAS