Travel sensor for determining the position of a member such as a brake pedal

US5115186A · kind A · utility

Assignee

• Alfred Teves GmbH · DE

Inventors

• Hans-Dieter Reinartz · Frankfurt am Main, DE
• Helmut Steffes · Hattersheim, DE
• Juergen Rausch · Eschborn, DE
• Stefan Risch · Wiesbaden, DE

Key dates

• Filing date: Apr 23, 1990
• Grant date: May 19, 1992
• Expiry date: Apr 23, 2010

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T74/20534
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A travel sensor for measuring mechanical quantities of motion, in particular for determining the brake pedal position, comprising a transmission unit axially slidable in a housing and comprising a measuring apparatus for generating an electric signal representative of the travel of the transmission unit. The transmission unit is formed of two mechanical transmissions elements (12, 13 and 3, 6, respectively) corresponding with each other and effecting a reduction of the introduced quantity of motions that the test signal is tapped by a reduced test travel. This provides a travel sensor of particularly short dimensions which permits to use of Hall-effect sensors.