Level indicator

US6401533B1 · kind B1 · utility

Assignee

• Mannesmann VDO AG · DE

Inventors

• Lothar Gier · Bad Nauheim, DE
• Werner Wallrafen · Schwalbach, DE

Key dates

• Filing date: Dec 27, 1999
• Grant date: Jun 11, 2002
• Expiry date: Dec 27, 2019

Classification

• Technology area (CPC G): Physics
• CPC primary: G01F23/38
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A fluid level sensor that is particularly useful in fluid fuel tanks of motor vehicles wherein a resistor network is arranged on a fixed support and it is possible to generate an output signal from the resistor network which corresponds to the position of a float member. The level sensor has particularly low wear and is inexpensive to produce with a contact structure for the resistor network that operates through interaction of a magnetic member is moved by the float and can be deflected such that an electrical connection is dependent on the position of the float.