The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 2015
Filed:
Nov. 02, 2011
Marco Omeri, Viareggio, IT;
Marco Omeri, Viareggio, IT;
CONTINENTAL AUTOMOTIVE GMBH, Hanover, DE;
Abstract
An injection valve includes a valve needle preventing a fluid flow out of an injection nozzle in a closing position and enabling the fluid flow of the injection nozzle apart from the closing position. Furthermore the injection valve includes an electro-magnetic actuator unit being designed to actuate the valve needle. The actuator unit is activated according to a predetermined activation signal with a given activation period for effecting a fluid flow out of the injection nozzle. An actuator unit voltage characteristic is captured at least over a period of time during which the valve needle could reach the closing position. A noise part of the actuator unit voltage characteristic is determined and a closing time representing a time when the valve needle reaches the closing position is determined depending on the noise part of the captured actuator voltage characteristic.