192 clutches and power-stop control – Clutches – Operators
Reexamination Certificate
2002-08-14
2004-03-30
Bonck, Rodney H. (Department: 3681)
192 clutches and power-stop control
Clutches
Operators
C074S330000
Reexamination Certificate
active
06712189
ABSTRACT:
TECHNICAL FIELD
The invention relates to a torque transfer device with at least one first clutch device which has at least one release mechanism and at least one actuating device as well as at least a drive device.
BACKGROUND
A torque transfer device is in the sense of the present invention in particular a device which can convert at least a rotary characteristic of at least one rotationally movable input part, such as input shaft into at least one identical or different rotary characteristic of at least one output part, such as output shaft, wherein the torque transfer device can be shifted in particular into different shift positions. These different shift positions are designed in particular so that in at least one shift position the rotary characteristic is transferred unchanged and/or in at least one shift position the rotary characteristic is not transferred and/or in at least one shift position the rotary characteristic is transferred in modified form. The torque transfer device has in the sense of the present invention in particular a clutch device and/or transmission device and/or torque converter device.
By rotary characteristic is meant in the sense of the present invention in particular a characteristic value which describes the rotational status of a rotationally movable component part, such as torque or speed.
By clutch device in the sense of the present invention is meant in particular a device which can be shifted into different shift positions and which can transfer a signal wherein in different shift positions the ratio of at least one input signal which is in particular a force or torque is different from at least one output signal and wherein preferably different shift positions can be switched in which the power transfer through the clutch device is different and wherein in particular a force or torque can be transferred by the clutch whereby the part of the force or torque being transferred can be changed. Preferably the clutch device has at least a first shift position in which it transfers a signal substantially identically and/or at least a second shift position in which it transfers a signal at least in part and/or at least a third shift position in which it basically does not transfer any input signal.
The clutch device can be designed with or without a power branch and in particular can have a friction clutch or starting clutch or turning set clutch or multi plate clutch or magnetic powder clutch or converter lock-up clutch or a claw clutch or an automated clutch or other clutch. The clutch device can be controlled electronically or in any other way.
A transmission device in sense of the present invention is designed in particular as a shift gear or automated shift gear or as a continuously variable gear or manual shift gear or in any other way.
The transmission device is particularly preferably designed as a power shift transmission.
Devices which can transfer torque and in particular those which are designed as power shift gears are already known.
SUMMARY
The object of the invention is to provide a differently designed device which can transfer torque.
According to a particular aspect the object of the invention is to shorten the release path of a torque transfer device, and in particular a clutch device, namely in particular without impairing the function or comfort.
According to a particular aspect the object of the invention is to reduce the release path of the power shift clutch, wherein in particular the comfort and functional behaviour are not to be impaired.
According to a particular aspect the object of the invention is to provide a cost-effective structurally simple and operationally reliable torque transfer device.
This is achieved through a torque transfer device which has at least one further feature from the features described in the following description or the following claims or is shown in the drawings.
The object of the invention is also achieved by a torque transfer device according to claim
1
or claim
2
or claim
3
or claim
4
.
The object is further achieved through a control device for controlling a torque transfer device.
Preferred embodiments of the invention form the subject of the sub-claims.
According to the invention a torque transfer device is provided with at least one first clutch device wherein this first clutch device has at least one release mechanism and at least one actuating device as well as at least one drive device.
By drive device is meant in the sense of the present invention in particular a device which can convert at least one first energy form, input energy form, into at least one second energy form, an output energy form, wherein the output energy form can be used to actuate component parts or the like. The drive device has in the sense of the present invention in particular an electric motor or the like.
By release mechanism is meant in the sense of the present invention in particular a device which has a component part coupled to an input shaft and a component part coupled to an output shaft, which can be moved relative to each other and in different relative positions create a different force or torque transfer between these component parts, wherein this different force or torque transfer is effected in that the engagement status between these component parts is designed differently and wherein these component parts are in direct contact in particular in at least one relative position. The release mechanism preferably has a housing and/or a stop and/or a clutch cover and/or a clutch disc and where applicable a contact pressure plate and/or a resetting spring mechanism and/or a release lever.
It is particularly preferred if the release mechanism of a clutch mechanism is designed so that at least one clutch disc is arranged in the axial direction between a stop coupled in one or more parts to a clutch cover on one side, and a contact pressure plate on the other side wherein the contact pressure plate is arranged movable relative to the clutch disc and to the stop and can load the clutch disc so that the friction force is increased in the circumferential direction between the stop and the at least one clutch disc or between the clutch discs and between the at least one clutch disc and contact pressure plate. Particularly preferably the release mechanism furthermore has a release lever which can load and relax the contact pressure plate. Preferably this release lever is loaded by an actuating device and is supported where necessary against the clutch cover whereby the force engagement point of this release lever on the contact pressure plate is disposed between the force engagement point of this release lever on the clutch cover and the force engagement point of this release lever on the actuating device.
In the sense of the present invention by release mechanism is meant in particular a device which has the component part or only the component parts which with a predetermined operating load determine the maximum release path of this release mechanism, namely in particular as a result of the elastic properties of these relevant component parts.
The release path of the torque transfer device or clutch device is thereby a predetermined path section or a predetermined path position along a predetermined path section along which a predetermined component part or a predetermined point or region of a predetermined component part can be moved or move during actuation of the release mechanism. The release path is in particular measured at a predetermined point of a release lever such as the coupling point for the actuating device or at a predetermined point of the contact pressure plate or at any other point. Particularly preferably the coupling point between the release mechanism and the actuating device is a point at which a release lever bears on a release bearing.
The actuating device which is preferably designed to be hydraulic and/or pneumatic and/or mechanical and/or electrical and/or electromagnetic generates an actuating signal such as force which it forwards to the release mechanism. This actuat
Bonck Rodney H.
LuK Lamellen und Kupplungsbau Beteiligungs KG
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