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:
Sep. 27, 2005
Filed:
Sep. 12, 2002
Method for controlling a vacuum valve of a vacuum die casting device and a vacuum die casting device
Jürgen Wüst, Erding, DE;
Klaus Währisch, Essen, DE;
Dieter Auer, Markt Schwaben, DE;
Elisabeth Wenzel, Maulbronn, DE;
Christophe Bagnoud, Sierre, CH;
Jürgen Wüst, Erding, DE;
Klaus Währisch, Essen, DE;
Dieter Auer, Markt Schwaben, DE;
Elisabeth Wenzel, Maulbronn, DE;
Christophe Bagnoud, Sierre, CH;
Alcan BDW GmbH & Co. KG, Markt Schwaben, DE;
Abstract
A vacuum die casting apparatus includes a casting cavity (), which is evacuatable via a vacuum valve (). A liquid casting material is pressable into the casting cavity by a piston () actuated by an actuator (). A filling level sensor () detects a predetermined filling level of the casting material in the casting cavity. A control device () is connected to the filling level sensor for controlling the vacuum valve, and a position sensor () is connected to the control device () for detecting movement of the piston (). The control device generates a closing signal for the vacuum valve () when the piston, after reaching the position (s) at which the filling level sensor () indicates a predetermined filling level of the casting cavity () with casting material has been reached, is displaced in a predetermined manner.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile