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Planetary gear transmission with at least two planetary gear sets arranged axially side by side

A planetary gear set, planetary gear technology, applied in belt/chain/gear, gear vibration/noise attenuation, transmission, etc., can solve the problem of high manufacturing cost

Active Publication Date: 2019-01-22
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This results in higher manufacturing costs

Method used

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  • Planetary gear transmission with at least two planetary gear sets arranged axially side by side
  • Planetary gear transmission with at least two planetary gear sets arranged axially side by side
  • Planetary gear transmission with at least two planetary gear sets arranged axially side by side

Examples

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Embodiment Construction

[0021] according to figure 1 , the planetary stage with integrated spur gear differential comprises two planetary gearsets 1 and 2 arranged axially side by side, which are rotatably mounted via planet pins 3a, 3b respectively, more precisely to one side The respective associated bores 4a, 4a' are supported on a common central carrier disk 5 of the planet carrier 6 which surrounds the first planetary gear set 1 in the form of a cage. The first planetary gearset 1 has a total of five planetary gears 7 arranged equidistantly from one another on the circumference of the planetary carrier 6 , which form planetary stages. In contrast, the second planetary gear set 2 is formed from a total of three intermeshing planetary gear pairs 8 of different diameters for forming a differential stage.

[0022] While one planet gear 7a' of each planet gear pair 8 cooperates with the first sun gear 11a, the other planet gear 7b' cooperates with the second sun gear 11b. A driven shaft (not shown ...

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Abstract

The invention relates to a planetary gear transmission having at least two planetary gearsets (1, 2) arranged axially side by side, which are mounted rotatably via respectively assigned individual planetary pins (3), which point towards One side is mounted on a common central carrier disk ( 5 ) of the planetary carrier ( 6 ) via respectively assigned holes ( 4 ), wherein the holes are used to receive planetary pins ( 3 ). In the present invention, the distribution of the holes (4) in at least one end face of the intermediate support disc (5) is asymmetrical.

Description

technical field [0001] The invention relates to a planetary gear transmission having at least two planetary gearsets arranged axially side by side, said planetary gearsets being mounted rotatably via respectively associated individual planetary pins, said planetary pins facing one side via respective Associated bores are attached to the common central carrier disk of the planet carrier, wherein the bores serve to receive the planet pins. [0002] The field of application of the invention extends in particular to automotive technology. In particular, in an all-wheel-drive car, for a structural combination of an interaxle differential and a countershaft differential, a spur gear differential is integrated into a planetary stage to constitute a transfer case, so that only A small axial installation space is required. Background technique [0003] From the laid-open document DE 1 455 499 a spur gear planetary transmission in a shaft drive of a motor vehicle is known. The plan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H57/08F16H48/06F16H48/38
CPCF16F15/20F16H48/10F16H48/38F16H57/0006F16H57/082F16F2230/0011F16H2048/106F16H48/11
Inventor K·利基F·库尔特T·比尔曼
Owner SCHAEFFLER TECH AG & CO KG
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