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Clutch arrangement

A clutch device, clutch technology, applied in the direction of clutches, automatic clutches, transmissions, etc., can solve the problems of expensive, complex temperature compensation, etc., to achieve the effect of simple cost, not easy to fail, and reduce temperature correlation

Inactive Publication Date: 2013-02-27
MAGNA POWERTRAIN AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such temperature compensation is undesirably complex and / or expensive

Method used

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  • Clutch arrangement
  • Clutch arrangement
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Examples

Experimental program
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Effect test

Embodiment Construction

[0036] figure 1 A powertrain of a motor vehicle is shown schematically. The engine 11 drives the two wheels 15 of the front axle 17 through a transmission unit 13 and a front axle differential gear (not shown). Thus, the front axle 17 forms the main axle. Furthermore, the engine 11 drives the two wheels 25 of the rear axle 27 via the transmission unit 13 , the cardan shaft 19 , the clutch device 21 and the rear axle differential gear 23 . In this respect, the rear axle 27 forms the secondary axle of the vehicle. The electronic control unit 29 of the vehicle is connected at the input side to four wheel speed sensors 31 associated with the front wheels 15 and the rear wheels 25 . Optionally, the control unit 29 is connected to other sensors, for example to a steering angle sensor, a yaw rate sensor, etc. (not shown). The control unit 29 is connected to the clutch device 21 at the output side. The clutch device 21 serves to transmit some of the drive torque of the engine 11 ...

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PUM

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Abstract

A clutch arrangement having an input element and an output element that are rotatable relevant to one another, a friction clutch and a pump. The friction clutch couples the input element with the output element in dependence on a hydraulic pressure in a pressure space of the clutch arrangement. The pump has a first pump part that is rotationally fixedly connected to the input element and a second pump part that is rotationally fixedly connected to the output element. The pump may be driven by a rotary movement of the input element and the output element relative to one another, with a pressure side of the pump being connected to the pressure space. An orifice having a substantially temperature independent leakage characteristic is arranged in a leakage line that leads from the pressure space to a low pressure space and which extends parallel to the pump.

Description

technical field [0001] The present invention relates to a clutch arrangement for torque transmission in a powertrain of a motor vehicle in response to a speed differential. Background technique [0002] Such a clutch arrangement may be used in all-wheel drive motor vehicles, for example, to transmit the driving torque of the drive unit to the layshaft by means of a speed difference between a permanently driven main axle and an engageable driven layshaft. In other applications, such a clutch arrangement may be used as a replacement for an axle differential for transmitting drive torque to the half shafts of the axles, as a block in a longitudinal differential of an all-wheel drive vehicle, or Acts as an impediment to the axle differential. [0003] The clutch device has an input member and an output member, eg, an input shaft and an output shaft, rotatable relative to each other. Furthermore, the clutch arrangement has a friction clutch by means of which the input part and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K17/35B60K23/08F16H48/22
CPCF16D48/066F16D2500/1026F16D2500/30803F16D43/284F16D2500/70276F16D48/02B60K17/35B60K17/02B60K17/34B60K23/04
Inventor 托马斯·利诺尔特内尔马丁·帕里格尔西蒙·凯姆尔弗朗茨·格拉策
Owner MAGNA POWERTRAIN AG & CO KG
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