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Multi-speed planetary transmission for a vehicle with at least one electric machine

A transmission mechanism and planetary gear technology, applied in the field of multi-speed planetary transmission mechanism, can solve the problem of expensive switching and achieve the effect of reducing costs

Active Publication Date: 2020-12-04
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Quite expensive to switch per US 2015 / 0226297A1

Method used

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  • Multi-speed planetary transmission for a vehicle with at least one electric machine
  • Multi-speed planetary transmission for a vehicle with at least one electric machine
  • Multi-speed planetary transmission for a vehicle with at least one electric machine

Examples

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Embodiment Construction

[0019] according to figure 1 The illustration in FIG. 2 shows a multi-speed planetary transmission 10 which is received between a drive shaft 12 and an output shaft 14 .

[0020] The multi-speed planetary gear 10 is accommodated in a housing 16 . A sun gear 18 and a first clutch part 22 of a clutch 20 are located on the drive shaft 12 . The sun gear 38 meshes with at least one planet gear 30 which includes the planet carrier shaft 32 and which revolves in the ring gear 19 . The planet carrier shaft 32 is connected on the one hand to the output shaft 14 and on the other hand has the second clutch part 24 of the clutch 20 . The at least one planetary gear 30 meshes with a freewheel 26 to which a detent device 28 , for example provided as a jaw clutch, is assigned. The at least one planet gear 30 can be embodied as a single, double or stepped planet gear.

[0021] in accordance with Figure 2.1 and 2.2 A variant embodiment of the multi-speed planetary transmission 10 propos...

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Abstract

The invention relates to a multi-speed planetary transmission (10). The multi-speed planetary transmission (10) comprises a driveshaft (12), which comprises a sun gear (18) and a ring gear (19), and an output shaft (14), which comprises a planet carrier with at least one planet gear (30). The drive shaft (12) and the output shaft (14) can be connected together or separated from each other by meansof a clutch (20). The multi-speed planetary transmission (10) has a freewheel (26), via which a shift is carried out between a first transmission ratio i_1 and a second transmission ratio i_2 under aload using the clutch (20).

Description

technical field [0001] The invention relates to a multi-speed planetary transmission for a vehicle having at least one electric motor and a drive shaft with a sun gear and an output shaft with planet gears. Furthermore, the invention relates to the use of the multi-speed planetary transmission integrated into an axle of a vehicle having at least one electric machine. Background technique [0002] US 2015 / 0226297 A1 relates to an electric axle on an electric drive of a vehicle. An electric axle for an electrically propelled vehicle having an electric machine and two countershaft drives for driving the wheels of the axle is disclosed. A switchable transmission is arranged downstream of the electric machine, which is embodied as a planetary transmission with a freewheel and a differential. The electrical shaft has a movement mechanism for shifting between two gears. In the first gear, the ring gear of the transmission and the clutch body formed on the housing are connected t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H61/00F16H3/54B60K1/00
CPCB60K1/00B60K2001/001F16H3/54F16H61/0059F16H2200/0021F16H2200/0034F16H2200/2005F16H2200/2035F16H2200/2064F16H2200/2066F16H2200/2082F16H2200/2094B60K17/08B60T1/005F16H3/46F16H37/042
Inventor I·克拉斯特耶夫W·穆罕默德T·施利滕鲍尔
Owner ROBERT BOSCH GMBH
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