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passive mechanical starter

A technology of torque transmission mechanism and plate assembly, which can be used in mechanical drive clutches, mechanical equipment, automatic clutches, etc., and can solve problems such as low torque capacity

Inactive Publication Date: 2016-03-09
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a conventional clutch has a lower torque capacity at idle (when the engine speed is low)

Method used

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Examples

Experimental program
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Embodiment Construction

[0016] Referring to the drawings, wherein like reference numerals represent like parts throughout the several views, figure 1 A launch device 10 is shown configured to passively transmit torque between a rotatable input member 12 and a rotatable output member 14 of a torque-transmitting mechanism, referred to herein as a clutch 15, Its torque capacity decreases as the difference between the rotational speeds of the input member 12 and the output member 14 decreases. The starter device 10 is shown incorporated into a vehicle powertrain 16 , but it may also be implemented in other applications. The input member 12 is connected to a first powertrain component 18 , such as an engine, and the output member 14 is connected to a second powertrain component 20 , such as a transmission input member. Alternatively, the first powertrain component 18 may be a transmission output member and the second powertrain component 20 may be a final drive member connected between the transmission a...

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PUM

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Abstract

An apparatus is provided including a torque transmitting mechanism selectively engageable by centripetal force to transmit torque between a rotatable input member and a rotatable output member. A block is connected for rotation with the output member and configured to move radially outward as the output member rotates so as to reduce the speed of the output member from the input member when the speed of the output member approaches the speed of the input member. Torque transmission from the input member to the output member. Furthermore, a block connected for rotation with the output member may create a force that causes the transfer of torque between the input member and the output member when the output member rotates faster than the input member.

Description

technical field [0001] The present invention relates to a device for selective engagement by centripetal force and, in particular, to a device for improving vehicle starting. Background technique [0002] The transmission of traction to the vehicle's wheels must occur as smoothly as possible. For example, starting a vehicle to provide traction at the wheels of the vehicle should occur without a sudden change in torque that would be perceived by the vehicle occupants. A fluid coupling such as a torque converter can be used to provide such a "soft lock" start. The torque converter is relatively large and requires a hydraulic source to operate. [0003] A limited slip differential allows a certain angular velocity, also known as slip, between the wheels of the vehicle, but is locked at a predetermined slip. Smooth locking of the limited slip differential will smooth out torque peaks to improve passenger comfort. [0004] Conventional clutches have a mass rotatably attached ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D13/52
CPCF16D43/10
Inventor A.W.菲利普斯
Owner GM GLOBAL TECH OPERATIONS LLC