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Transmission with electromechanical units and oil loop

A technology for transmissions and transmission housings, which is applied to components with teeth, mechanical equipment, transmission parts, etc., and can solve problems such as user obstruction

Inactive Publication Date: 2012-07-04
GETRAG FORD TRANSMISSIONS GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During this time the ability to drive the path is re-established, but this can be perceived by the user as a hindrance

Method used

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  • Transmission with electromechanical units and oil loop
  • Transmission with electromechanical units and oil loop
  • Transmission with electromechanical units and oil loop

Examples

Experimental program
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Effect test

Embodiment Construction

[0025] figure 1 A transmission is schematically represented in . The transmission 1 comprises a transmission unit 2 with intermeshing gearwheels, which is arranged in a transmission chamber 3 . The gear wheels of the transmission unit 2 are immersed in oil 9 which collects in an oil sump in the lower center of the transmission chamber 3 . In addition there is a figure 1 The clutch unit 4, not shown, is located in a clutch chamber 5. And oil can also collect below in the clutch chamber 5 .

[0026] An electromechanical unit 6 is arranged in a suction chamber 7 . The electromechanical unit here comprises a plurality of clutch valves 10 , in this example four clutch valves. However, a different number of clutch valves is also possible. Oil can also collect below the suction chamber 7 . An oil pump 8 is provided here, which sucks oil 9 from the suction chamber 7 . Oil 9 can flow through a channel 27 between the individual chambers above a certain minimum oil level.

[002...

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PUM

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Abstract

The present invention relates to a transmission, particularly an automatic vehicular shift transmission which comprises the following components: a transmission unit (2); a clutch unit (4); an electromechanical unit (6); wherein the transmission (1) is internally provided with an oil loop which comprises an oil pump (8). The oil pump takes oil (9) out through a first oil reservoir (11), and furthermore the oil (9) which is taken out can be supplied to various unit. The electromechanical unit (6) comprises at least one clutch valve (10). The clutch valve is equipped for controlling the clutch unit (4). At least one clutch valve (10) comprises a pressure opening (13) which is used for at least indirectly connecting the clutch valve (10) with the oil pump (8) and an exhaust opening that is at least indirectly connecting the clutch valve with a second oil reservoir. The second oil reservoir is formed separately from the first oil reservoir. The second oil reservoir is provided with an overflow opening which is equipped above all clutch valves of the electromechanical unit.

Description

technical field [0001] The present invention relates to transmissions, and more particularly to automatic shift transmissions for automobiles. Background technique [0002] EP 1 637 757 B1 describes such a transmission and a method for lubricating and cooling it. A transmission chamber with transmission components disposed therein, a clutch chamber with clutch components disposed therein, and a hydraulic control section are described therein. To control and cool the clutch components an oil pump draws oil from a suction chamber and pumps it into the clutch chamber. There is a functional connection between the suction chamber and the transmission chamber, so that oil can be discharged from the suction chamber into the transmission chamber. Furthermore, there is a functional connection between the clutch chamber and the transmission chamber, so that oil can be discharged from the transmission chamber into the clutch chamber. [0003] A clutch control device is known from EP...

Claims

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Application Information

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IPC IPC(8): F16H57/04
CPCF16H61/0021F16H57/0494F16H57/045F16H57/0445F16H57/0446F16H2061/0037F16H61/0003F16H61/0009
Inventor O・S・珀茨R・默尔曼
Owner GETRAG FORD TRANSMISSIONS GMBH
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