Patent · US Expired

Magnetic screening of an acturator for electromagnetically controlling a valve

US6213147A · kind A · utility

11Cited by

18References

8Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Matthias Gramann · Neunkirchen, DE
Gunther Breu · Nürnberg, DE
Michael Nagel · Tempe, US
Roger Pohlmann · Braunschweig, DE

Key dates

Filing date	Jul 7, 1999
Grant date	Apr 10, 2001
Priority date	—
Expiry date	Jul 7, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/8242
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An actuator for electromagnetically controlling a valve with a device comprising a magnetic field sensor and a magnetic field transmitter for determining the instantaneous position of a retaining plate, the magnetic field sensor and the magnetic field transmitter being surrounded by magnetic screening.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.