Float for a fill level sensor

US7600425B2 · kind B2 · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Sigrid Heimann · Eppstein, DE
• Dieter Keller · Aschaffenburg, DE
• Rainer Moser · Idstein, DE
• Bernd Pauer · Eppstein, DE
• Bettina Seibert · Trebur, DE

Key dates

• Filing date: May 14, 2004
• Grant date: Oct 13, 2009
• Expiry date: Jul 2, 2024

Classification

• Technology area (CPC G): Physics
• CPC primary: G01F23/76
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

The invention relates to a float (5) for a fill level sensor, comprised of a fuel-resistant plastic (7), an expanding means (8) and/or filler (9), whereby the expanding means consists of gas-filled plastic balls (11) that are provided in the form of microspheres (8), and the filler consists of micro-hollow balls (9). The microspheres (8) and the micro-hollow balls (9) are surrounded by fuel-resistant plastic (7).