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Shift transmissions for motor vehicles

A technology for shifting transmissions and motor vehicles, which is applied to vehicle gearboxes, transmission elements, mechanical equipment, etc., and can solve problems such as packaging problems.

Inactive Publication Date: 2017-01-18
GETRAG FORD TRANSMISSIONS GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The shift transmission of DE 199 48 811 B4 has a corresponding gear set with a floating wheel and a corresponding gear change clutch but requires a special construction which would cause packing when said shift transmission is used in a motor vehicle Problems (Packaging-Problemen)

Method used

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  • Shift transmissions for motor vehicles
  • Shift transmissions for motor vehicles
  • Shift transmissions for motor vehicles

Examples

Experimental program
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Embodiment Construction

[0028] FIGS. 1 and 2 show schematically a first embodiment of a shift transmission, indicated in its entirety by 10 . The shift transmission 10 includes an input shaft 11 and an output shaft 12 arranged coaxially therewith. A first countershaft 13 and a second countershaft 14 are arranged parallel to the input shaft 11 and the output shaft 12 . Via a clutch 15 , which is likewise only shown schematically, the shift transmission 10 or the input shaft 11 can be coupled, for example, to a crankshaft 16 of an internal combustion engine, not further shown here.

[0029]The shift transmission 10 also has a plurality of floating gears L1 to L6 , LC and LR, which can be assigned to a plurality of forward gears C, 1 to 6 and a reverse gear R. FIG. For example, on the end facing the clutch 15, a floating wheel L4 is mounted on the input shaft 11, which can be connected to the output shaft 12 in a non-rotatable manner via a double-gear switching clutch 17, The dual-gear switching clutc...

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PUM

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Abstract

The invention relates to a manual gearbox (10) for a motor vehicle, comprising an input shaft (11), an output shaft (12) arranged coaxially to the input shaft (11), a first layshaft (13) arranged parallel to said input shaft (11), and a plurality of shiftable gears (1-6, L, R). Associated with each gear are an idler gear (L1-L6, LC, LR) and a gear-shift coupling (17, 18, 20-25) by means of which said idler gear (L1-L6, LC, LR) can be connected to one of the shafts (11, 12, 13) in a rotationally-fixed manner. One of the idler gears (L1) is designed as an intermediate gear sitting on one of the shafts (11, 12, 13) of the manual gearbox (10) and engaging with one first pinion (F1) and one second pinion (26) that sit on two other shafts of the manual gearbox (10). According to the invention, the manual gearbox (10) is characterised in that the intermediate gear (L1) is connected, in a rotationally-fixed manner, to the input shaft (11) irrespective of the shift-state of the individual gears (1-6, L, R).

Description

technical field [0001] The present invention relates to a shift transmission, which is used in motor vehicles, wherein, the shift transmission includes: an input shaft; an output shaft, the output shaft is arranged concentrically with the input shaft; A first intermediate shaft parallel to said input shaft; a plurality of shiftable gears. In this case, each gear is associated with a freewheel and a gear shift clutch, by means of which the relevant freewheel can be connected in a rotationally fixed manner to one of the shafts. Background technique [0002] A shift transmission of this type is known from DE 199 48 811 B4. In this case, one of the floating wheels is designed as an intermediate wheel, which is mounted on the input shaft of the transmission and meshes with a first pinion and a second pinion. The first pinion is mounted on the first countershaft, while the second pinion is arranged on a second countershaft. The second countershaft is connected in a rotationally...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/097
CPCF16H3/097F16H2200/0052F16H2200/2043F16H2200/2092F16H2003/0822F16H2003/0826F16H2200/0026F16H2200/0056
Inventor A·黑格拉特
Owner GETRAG FORD TRANSMISSIONS GMBH