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Reduced-width inductive position sensor

A technology for sensing position and sensor, which is applied in converting sensor output, using electric/magnetic device to transmit the direction of sensing components, instruments, etc.

Pending Publication Date: 2021-10-22
VTESCO TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The second option cannot coexist with achieving a compact sensor
However, it is very difficult to design very narrow inductive sensors

Method used

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  • Reduced-width inductive position sensor
  • Reduced-width inductive position sensor
  • Reduced-width inductive position sensor

Examples

Experimental program
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Effect test

Embodiment Construction

[0058] figure 1 shows a top view of the first secondary winding 4 and the second secondary winding 6, and figure 2 yes figure 1 Perspective view of the secondary winding 4, 6 of the secondary winding 4, 6 of the position sensor according to the first prior art. Each of the two windings 4, 6 has a turn 10a.

[0059] It can be seen that for each of these windings, the turns 10a are substantially similar, but each time shifted relative to each other in the longitudinal direction, which is at figure 1 is shown by the vertical axis R, which is the longitudinal axis of the sensor.

[0060] The longitudinal displacement between two adjacent turns 10a may be the same each time. Furthermore, it is still preferred that, in top view, the second secondary winding 6 is symmetrical to the first secondary winding 4 about a transverse plane (not shown) orthogonal to the longitudinal axis R. The number of turns 10a of the two windings may be the same, and the area of ​​the turns 10a may ...

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Abstract

The invention relates to an inductive position sensor comprising a primary winding as well as at least two secondary windings (6) each consisting of several turns (10) formed by a succession of sides (22, 23) and produced on two opposite faces of a printed circuit board. Two pairs of two adjacent sides (22, 23) of each turn (10) of at least one secondary winding (6) form a first point (9) directed towards a first longitudinal end and a second point directed towards a second longitudinal end of the printed circuit board, a projection on a plane of the printed circuit board of the two adjacent sides (22, 23) of each pair defining therebetween an acute projected angle.

Description

technical field [0001] The present invention relates to an inductive position sensor of reduced width, which may be used particularly, but not exclusively, as a level sensor in containers such as those used in motor vehicles for brake fluid, windscreen washer fluid, lubricating oil or Coolant container. Background technique [0002] It is known to use inductive position sensors to determine the position of a mechanical part or any other element without the need for contact with the part whose position is desired to be known. This advantage makes this type of sensor widely used in various industries. [0003] Such sensors are also used in mass-oriented applications, for example in the automotive sector. However, these sensors can be used in a wide variety of other fields. [0004] The working principle of inductive sensors is based on the change in coupling between the primary and secondary windings of a transformer, which operates at high frequency and does not use a magn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D5/20
CPCG01D5/2053G01B7/30G01F23/26
Inventor A·丰塔内J-L·鲁克斯
Owner VTESCO TECH GMBH
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