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Magnetoresistive Actuator

An actuator and magnetoresistive technology, applied in the field of actuator systems, can solve problems such as limiting the use or application feasibility, reducing the optical (deflection) angle, and increasing the installation space.

Active Publication Date: 2021-10-29
MICRO EPSILON MESSTECHNIK GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, all of these known reluctance actuators also have the disadvantage that four different actuators or two pairs of actuators are arranged around the movable part, thereby significantly increasing the installation space and at the same time reducing the maximum achievable Optical (deflection) angle
This ultimately severely limits the use or application feasibility of

Method used

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  • Magnetoresistive Actuator
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  • Magnetoresistive Actuator

Examples

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Embodiment Construction

[0059] Figure 1a Shown is a cross-sectional view of a reluctance actuator according to an embodiment of the invention.

[0060] exist Figure 1a A cross-sectional view of the hybrid actuator along with some of its components is shown in , taken along the system axis.

[0061] The reluctance actuator comprises a substantially cylindrical housing G. Arranged in the housing G is an E-shaped stator 1 , on the inner pole shoes 13 of which permanent magnets 2 are arranged, and on the two outer pole shoes 14 of which a coil 3 is respectively arranged. On the outside of the top side of the stator 1 is arranged a yoke configured as a movable part 4 for closing the magnetic circuit, which part is directly connected to the bending part 5 or the reset part and which limits the movement of the movable part 4 Movement in three degrees of freedom. Furthermore, at the upper end of the pole piece 13 inside the stator 1 there is provided a ball bearing 7 which fixes the point of rotation of ...

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Abstract

The invention relates to a reluctance actuator comprising: a magnetizable stator; at least one coil designed to generate a magnetic field in said stator; and a yoke for making the magnetic flux of said stator at least Partially closed, wherein the yoke is configured as a movable part for a reciprocating / tumbling movement.

Description

technical field [0001] The invention relates to a reluctance actuator comprising a magnetizable stator, at least one coil designed to generate a magnetic field in the stator, and a yoke for making the magnetic flux of the stator at least partially closed. [0002] The invention also relates to an actuator system comprising a reluctance actuator. [0003] The invention also relates to a method for performing a reciprocating / tumbling movement of a movable part of a reluctance actuator. [0004] Although applicable to any system, the present invention will be described with respect to systems for manipulating optical components. Background technique [0005] Known opto-mechanical oscillating / tumbling systems, such as rapidly steerable mirrors, so-called faststeeringmirros FSMs, are used in a variety of applications. Other known steering systems are based, for example, on the non-patent literature "Design and simulations and experimental and investigations of a compact single...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F7/14G02B26/08G02B26/10
CPCG02B26/0816G02B26/101H01F7/14H02K2201/18H02K37/02G02B26/085
Inventor 乔治·舒特恩斯特·斯森塞斯约翰·施拉普托比亚斯·斯科普夫
Owner MICRO EPSILON MESSTECHNIK GMBH & CO KG