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Drive trains, especially hydraulic trains with electronically adjustable slip

A technology of drive assembly and electronic device, applied in the field of hydraulic assembly, can solve problems such as high production technology requirements, control or test costs, and achieve the effects of avoiding leakage and reducing costs

Active Publication Date: 2021-07-23
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such an axially or radially oriented assembly of these components is highly demanding in terms of production technology and often leads to downstream control or testing expenses

Method used

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  • Drive trains, especially hydraulic trains with electronically adjustable slip
  • Drive trains, especially hydraulic trains with electronically adjustable slip

Examples

Experimental program
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Embodiment Construction

[0014] figure 2 The drive assembly 10 shown in FIG. 2 comprises a housing block 12 having a shaft bore 14 formed thereon. The shaft bore penetrates the housing block 12 and forms two open ends on opposite outer sides of the housing block 12 , of which only one end is visible in the drawing. In the shaft hole 14 , a working shaft 16 is rotatably accommodated in a bearing 18 . The working shaft 16 is a part of a motor or generator (referred to as an electric working machine), and the working shaft is configured to convert supplied electrical energy into a rotational movement of the working shaft 16 or to convert the rotational movement of the working shaft 16 into electrical energy. It is assumed that on the working shaft 16 there is also a non-visible rotor arranged against rotation, which rotates in a stator likewise not shown and equipped with magnets.

[0015] Knowledge of the rotational position of the working shaft 16 is important for electronically actuating the drive ...

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Abstract

The invention relates to a drive unit (10) having a housing block (12) on which an electric motor is arranged. The electric motor has a working shaft (16) mounted in the shaft hole (14) of the housing block (12), from a signal transmitter (22) and a signal receiver including evaluation electronics (38) by means of a sensor device (20) (26) Detect the rotational position of the working shaft. The shaft hole (14) is closed by means of a cover (40), which is arranged between the signal transmitter (22) and the signal receiver (26). The cover (40) is formed in one piece with the electronics housing (50) of the signal receiver (26). Furthermore, a centering device (52) for the signal receiver (26) on the housing block (12) is formed on the electronics housing (50). The invention simplifies the construction, functional testing and assembly of the signal receiver (26) and at the same time improves the protection of the signal receiver from harmful environmental influences.

Description

technical field [0001] The invention relates to a drive assembly, in particular to a hydraulic assembly of a vehicle braking device capable of electronically adjusting slip. Background technique [0002] Such a drive assembly is known, for example, from DE 10 2014 221 015 A1. Such a known drive unit is in particular the hydraulic unit of a vehicle brake system which is capable of electronically adjusting the slip. However, the invention is not limited to such a hydraulic assembly, but can be applied to any drive assembly equipped with a motor or generator (electrical machine for short) and in which the rotational position of the working shaft is detected and / or evaluated by means of a sensor device . For this purpose, known sensor devices have a signal transmitter and a signal receiver with associated evaluation electronics. [0003] known to the applicant and in figure 1 In the drive unit 10 shown in , the signal transmitter 22 is arranged by means of a holding device 2...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K11/21H02K11/215
CPCH02K11/21H02K11/215B60T13/662B60T13/745H02K7/003H02K11/0141B60T8/176H02K7/102H02K2211/03
Inventor M·施利茨库斯A·翁德拉克H·塞班德S·莱恩伯格T·赞德尔V·诺特曼
Owner ROBERT BOSCH GMBH