Linear guide with combined load and position measurement

US9939292B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Johannes Muehlfeld · Würzburg, DE
• Guenter Reusing · Niederwerrn, DE

Key dates

• Filing date: Nov 21, 2014
• Grant date: Apr 10, 2018
• Expiry date: Nov 21, 2034

Classification

• Technology area (CPC G): Physics
• CPC primary: G01D5/204
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

The disclosure relates to a linear guide having a guide rail which extends in a longitudinal direction, wherein a guide carriage is mounted on the guide rail in a linearly movable manner in the longitudinal direction, wherein at least one sensor is fitted to the guide carriage and can be used to measure an elastic position change of the guide carriage with respect to the guide rail, wherein the at least one sensor comprises at least one emitter turn arrangement which is connected to an alternating current source. According to the disclosure, at least one receiver turn arrangement which is different from the emitter turn arrangement and is inductively coupled to the at least one emitter turn arrangement is provided.