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A centrifugal pendulum absorber

A centrifugal pendulum shock absorber, center axis technology, applied in the field of vehicles

Active Publication Date: 2021-11-26
VOLVO LASTVAGNAR AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] As with most mechanical parts that are heavily used, centrifugal pendulum dampers require maintenance and even some of their parts may need to be replaced and / or repaired after some time due to wear

Method used

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  • A centrifugal pendulum absorber
  • A centrifugal pendulum absorber
  • A centrifugal pendulum absorber

Examples

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Embodiment Construction

[0040] figure 1 A vehicle 3 in the form of a heavy truck is schematically shown according to an embodiment of the invention. The vehicle 3 comprises a powertrain 4 having an engine 5 connected to a crankshaft (not shown) to which a flywheel arrangement 1 is connected for common rotation. A drive shaft 6 connects the engine 5 to drive wheels 7 of the vehicle 3 via a transmission 8 which is connected to the flywheel via a clutch (not shown).

[0041] figure 2 A flywheel arrangement 1 according to an embodiment of the invention is shown in more detail in . Also refer to the flywheel arrangement 1 shown in exploded view image 3 and a part of the flywheel arrangement shown in more detail Figure 4 . The flywheel arrangement 1 comprises: a flywheel 100 configured to be connected to a crankshaft of an engine for common rotation about a central axis C; and a centrifugal pendulum damper 2 . The centrifugal pendulum shock absorber 2 includes a plurality of pendulum weights 200 a...

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PUM

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Abstract

The invention relates to a centrifugal pendulum absorber (2) for a flywheel (1). The centrifugal pendulum absorber comprises a plurality of pendulum weights (200) arranged circumferentially around a center axis (C) of the centrifugal pendulum absorber. The centrifugal pendulum absorber further comprises a plurality of closed compartments () which are arranged circumferentially around the center axis, wherein at least one pendulum weight is arranged in each one of the plurality of closed compartments, wherein a channel for fluid (306) is provided at least between two abutting closed compartments, as seen in the circumferential direction, and wherein the channel for fluid fluidly connects the two abutting closed compartments.

Description

technical field [0001] The invention relates to a centrifugal pendulum damper for a flywheel. The invention also relates to a flywheel arrangement for an internal combustion engine and a vehicle. [0002] The invention can be applied to vehicles such as trucks, buses and construction equipment. Although the invention will be described in relation to heavy duty trucks, the invention is not limited to this particular vehicle, but may also be used with other vehicles such as light trucks, articulated haulers, excavators, wheel loaders and backhoe loaders . Background technique [0003] It is known to connect a flywheel to the crankshaft of an internal combustion engine of a vehicle. The flywheel is used to equalize the uneven power output of the engine caused by the uneven power output of each cylinder of the engine during the cylinder's combustion cycle. [0004] It is also known to attach a centrifugal pendulum damper to the flywheel in order to reduce vibrations of the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F15/14F16F15/30
CPCF16F15/145F16F15/173
Inventor 奥拉·尼尔松帕尔·奥泽费尔特奥杜尔·比伦
Owner VOLVO LASTVAGNAR AB
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