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Stator for resolver, resolver and use thereof

A technology of a rotary transformer and an application method, which is applied in the field of rotary transformers and can solve the problems of difficult space-saving installation and the like

Inactive Publication Date: 2020-02-04
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This constitutes a limitation which makes it difficult to install components such as the drive system in a space-saving manner

Method used

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  • Stator for resolver, resolver and use thereof
  • Stator for resolver, resolver and use thereof
  • Stator for resolver, resolver and use thereof

Examples

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Embodiment Construction

[0023] figure 1 A cross-sectional view of a stator 1 of a resolver according to the prior art is schematically shown. The cutting plane is here perpendicular to the axial direction of the stator 1 . The stator 1 has a support ring 2 and a winding ring 3 and is designed as a closed ring. In the exemplary embodiment shown, the winding ring 3 is arranged inside the support ring 2 . The support ring 2 can be fastened via the bore 4 during insertion into the technical system, for example by screwing. For example, if components of the technical system are arranged in the inner region 5 surrounded by the stator 1 due to the installation space, the lines for connecting the components cannot pass through the stator 1 forming a closed loop. However, the lines can emerge from the inner region 5 in the axial direction, ie here perpendicularly to the plane of the illustration.

[0024] figure 2 A cross-sectional view of a stator 1 according to the invention is shown schematically. H...

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PUM

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Abstract

In a resolver, a stator (1) is formed as an open ring, and there is at least one opening (6, 61, 62, 63) in the ring, which extends along a circumference of the ring over an opening angle (7, 71, 72,73). The stator (1) can be formed in segments, and the at least one opening (6, 61, 62, 63) can be obtained by removing at least one segment. A line (11) can be guided through the at least one opening(6, 61, 62, 63) for connecting the resolver or another component (10), which is located within the ring of the stator (1). The resolver can be used, in particular together with an electric motor, forexample in a drive system of a motor vehicle.

Description

technical field [0001] The present invention relates to a stator for a resolver, a resolver provided with such a stator and a method of application of the resolver. Background technique [0002] Resolvers are used in various technical fields to determine the angular position of components of technical systems. This is the case, for example, in the field of motor vehicles, in electric drives, such as hybrid drives, electric axle drives or wheel hub drives, but the invention is not restricted thereto. Resolvers are used here, in particular in electric motors of electric drives, to determine the angular position of the rotor of the electric motor, which is required for commutation of the electric motor. There are often installation space problems here, which make it difficult, for example, to install components of the drive system in the motor vehicle and make the necessary connection of the components to one another even more difficult. [0003] In resolver transformers acco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D5/14G01D5/20
CPCG01D5/2046
Inventor 马蒂亚斯·考斯特尔马可·本德尔克里斯汀·斯里弗瑞迈克·泽勒维茨彼得·迪茨
Owner SCHAEFFLER TECH AG & CO KG
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