Force-measuring element

US7694590B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Andreas Stratmann · Gomaringen, DE
• Klaus Kasten · Reutlingen, DE
• Sven Lamers · Reutlingen, DE

Key dates

• Filing date: May 24, 2006
• Grant date: Apr 13, 2010
• Expiry date: May 24, 2026

Classification

• Technology area (CPC G): Physics
• CPC primary: G01L1/144
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A force-measuring element, having a series connection of at least two capacitors, the force-measuring element being designed in such a way that, under the action of force, a first capacitance of a first capacitor of the at least two capacitors increases and a second capacitance of a second capacitor of the at least two capacitors decreases, in which the force-measuring element is in the form of a connecting element, in which an application of force is provided on a long side of a sleeve of the force-measuring element, and the at least two capacitors are separated by a bar that essentially stands firm during the action of force, so that a first space having the first capacitor above the bar becomes smaller as a result of the application of force, and below the bar a second space becomes larger.