Title:
線形変位センサ
Document Type and Number:
Japanese Patent JP6538984
Kind Code:
B2
Abstract:
A linear-displacement sensor includes a base element arranged with a sensor coil and an excitation coil in such a manner that an AC voltage is induced in the sensor coil upon application of an AC voltage to the excitation coil. An at least partly electrically conductive sliding element is configured to be shifted relative to the base element in a direction along the measurement path. The sliding element has a variable geometry along the measurement path to inductively couple partial turns of the sensor coil with the excitation coil. A correction coil is arranged above a geometry of the sliding element so that an inductive coupling of the correction coil and hence an amplitude of an AC voltage induced in the correction coil is dependent on a lateral offset of the sliding element in relation to the base element.
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Inventors:
Ingo Hermann
Fabian Wooter Mehren
Andreas Meatz
Stephan Leydig
Fabian Wooter Mehren
Andreas Meatz
Stephan Leydig
Application Number:
JP2018531670A
Publication Date:
July 03, 2019
Filing Date:
October 19, 2016
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
G01D5/20; G01D5/12; G01D5/22
Domestic Patent References:
| JP5135874B1 | ||||
| JP2014038551A1 |
Foreign References:
| DE102004033083A1 | ||||
| US5742161 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Morita Taku
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Morita Taku
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima