System for temperature monitoring

US6929396B2 · kind B2 · utility

Assignee

• JOHANNES HEIDENHAIN GmbH · DE

Inventors

• Franz Gramsamer · Fridolfing, DE
• Erwin Bratzdrum · Traunstein, DE
• Robert Wastlhuber · Burgkirchen an der Alz, DE
• Udo Ollert · Kirchweidach, DE

Key dates

• Filing date: Oct 22, 2003
• Grant date: Aug 16, 2005
• Expiry date: Oct 22, 2023

Classification

• Technology area (CPC G): Physics
• CPC primary: G01K1/14
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A system for monitoring the temperature prevailing in the stator unit of an electric drive includes a temperature sensor that is integrated into the windings of the stator unit and that transmits a temperature-dependent sensor signal. The sensor signal may be injected via an electrical transmitter unit into the signal processing unit of a position measuring device connected to the drive.