Sensor system for detecting dimensional variables to be measured on a rotating object

US6888471B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Bernhard Elsner · Bad Berka, DE
• Henry Heidemeyer · Ditzingen, DE

Key dates

• Filing date: Apr 5, 2001
• Grant date: May 3, 2005
• Expiry date: Apr 5, 2021

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60T2210/13
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A sensor system for detecting at least one dimensional variable of a rotating object (30) includes a plurality of sensors (33) disposed on the rotating object (30) that are sensitive to the dimensional variable and an antenna array (11) for supplying the sensors (33) with high-frequency energy and for receiving a high-frequency signal, modulated by the variable to be detected, from the sensors (33). The sensors are disposed on the object (30), distributed in the circumferential direction, and the antenna array (11) has a directional characteristic (34) for transmission and/or reception which is stationary with respect to a coordinate system not rotating with the object (30) and which includes only a subregion (32) of the object (30).