Capacitive measuring assembly for determining forces and pressures

US4836033A · kind A · utility

Inventor

• Peter Seitz · Munich, DE

Key dates

• Filing date: Sep 30, 1987
• Grant date: Jun 6, 1989
• Expiry date: Sep 30, 2007

Classification

• Technology area (CPC G): Physics
• CPC primary: G01D5/2412
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A capacitive measuring assembly for determining forces and/or pressures includes at least three plane parallel capacitor surfaces with intercalation of a dielectric therebetween. The capacitor surfaces being movable relative to each other against elastic resetting forces of the dielectric, a main surface being in opposing relation to all remaining surfaces and partly covering them with intercalation of the dielectric therebetween. The main surface being movable both perpendicular and parallel relative to the remaining surfaces so that from the individual capacity values between the main and remaining surfaces, there can be measured or eliminated both the forces that act perpendicularly between the main and remaining surfaces and the forces that act parallel with the capacitor surfaces.