Patent · US Active

Method for determining a switching state of a valve, and solenoid valve assembly

US11913568B2 · kind B2 · utility

0Cited by

6References

11Claims

0Family size

Assignee

Continental Teves AG & Co. OHG · DE

Inventors

Bartosz Maj · Frankfurt, DE
Holger Kollmann · Rodgau, DE
Tomislav Milic · Frankfurt am Main, DE
Alexander Schönbohm · Frankfurt, DE
Ralf Schröder · Langen, DE
Marc Lenz · Frankfurt am Main, DE
Marcus Bletz · Frankfurt am Main, DE
Jurij Schmidt · Mühltal, DE
Dieter Dinkel · Eppstein, DE

Key dates

Filing date	Oct 9, 2019
Grant date	Feb 27, 2024
Priority date	—
Expiry date	Dec 31, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH01F2007/1888
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A method for determining a switching state of a valve that is actuated by a coil, wherein the method includes: respectively ascertaining a current flowing through the coil and a voltage applied to the coil at several times which follow one another with a prespecified time interval, calculating an inductance variable of the coil based on the currents, the voltage and the time interval, and determining the switching state based on the inductance variable. Also disclosed is a solenoid valve assembly.

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