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Taper ring transmission with surface optimization of contact region

A transmission and cone ring technology, applied in friction transmission, belt/chain/gear, mechanical equipment, etc., can solve problems such as reduced efficiency, increased transmission wear, and difficult design of cone ring transmissions

Inactive Publication Date: 2007-06-20
GETRAG FORD TRANSMISSIONS GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The maximum torque that can be transmitted through the transmission, the losses in the transmission and the structural dimensions of the transmission are decisive factors in this respect, they depend on each other, partly contradict each other and thus make the design of cone ring transmissions difficult
For example, although it is possible to increase the maximum torque by increasing the pressing force between the friction ring and the conical friction wheel, doing so will result in a decrease in efficiency, and as long as the participating rotating parts are not fully connected by friction transmission fluid Separated, also causes increased wear in the transmission

Method used

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  • Taper ring transmission with surface optimization of contact region
  • Taper ring transmission with surface optimization of contact region
  • Taper ring transmission with surface optimization of contact region

Examples

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Embodiment Construction

[0024] FIG. 1 shows a conical ring transmission designated as a whole by 1 . The bevel ring transmission 1 has a first conical friction wheel 2 and a second conical friction wheel 3 . The conical friction wheels 2 , 3 are arranged opposite to each other, wherein their axes of rotation run parallel and are spaced apart from each other. The axes of rotation of the conical friction wheels 2 , 3 are indicated by dashed lines 4 , 5 .

[0025] In addition to the cone ring transmission 1 , FIG. 1 also shows a clutch 6 of a motor vehicle, which is not further shown here. The clutch 6 is non-rotatably connected to the first conical friction wheel 2 via a shaft 7 . In the closed state, the clutch 6 transmits the torque via the shaft to the first conical friction wheel 2 . In order to transmit the torque from the first conical friction wheel 2 to the second conical friction wheel 3, a friction ring 8 is provided, which interacts with the two conical friction wheels 2, 3 and surrounds ...

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Abstract

The invention relates to a cone ring transmission unit having two cone friction wheels (2, 3) that are arranged opposite to each other. A friction ring (8) stays in contact with the two cone friction wheels (2, 3) and rounds at least one (2) of them. A contact surface (16, 19) having at least a cone friction wheel(2, 3), and at least a contact surface (12, 13) of the friction ring (8) comprises transverse grooves (24). The grooves extend at a certain angle transverse to the direction (22) of rotation of the cone friction wheel(2, 3) and / or the friction rings (8).

Description

technical field [0001] The invention relates to a conical ring transmission having two conical friction wheels arranged opposite to each other and a friction ring interacting with the two conical friction wheels and surrounding one of the conical friction wheels. Background technique [0002] DE 195 42 726 A1 discloses a conical ring transmission in which conical friction wheels arranged opposite one another are arranged on parallel shafts. By moving the friction wheel in the axial direction of the shaft, the transmission ratio of the cone ring transmission can be adjusted steplessly. [0003] The friction ring on a cone ring transmission has a rotating, outwardly working outer contact surface and a rotating, radially inwardly working inner contact surface. The inner contact surface here forms the first contact area with the contact surface of the conical friction wheel surrounded by the friction ring, which contact surface of the conical friction wheel is the conical outer...

Claims

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Application Information

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IPC IPC(8): F16H15/42
CPCF16H15/42
Inventor 斯特凡·邦加特让－皮埃尔·沙佐特吕迪格·菲肯斯斯特凡·克库斯格尔德·韦尔施
Owner GETRAG FORD TRANSMISSIONS GMBH
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