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:
May. 02, 2017
Filed:
Oct. 26, 2015
Siemens Aktiengesellschaft, Munich, DE;
Christine Bach, Nuremberg, DE;
Axel Haase, Erlangen, DE;
Reinhard Schneider, Bamberg, DE;
Jürgen Stoll, Fuerth, DE;
Philipp Zinn, Lauf, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
An electric heater () of a synthetic-material molding system () defines a current path () that includes a first measuring pickup (), a second measuring pickup (), a switch () and a third measuring pickup (), all connected in series, wherein a heating element () is connected between the first measuring pickup () and the second measuring pickup (). The electric heater () also has a diagnostic path () that includes a first diagnostic pickup (), a first voltage measuring device (), a second diagnostic pickup (), a second voltage measuring device () and a third diagnostic pickup (), all connected in series. The first measuring pickup () is electrically connected to the first diagnostic pickup () by a first protective impedance (), the second measuring pickup () is electrically connected to the second diagnostic pickup () by a second protective impedance (), and the third measuring pickup () is electrically connected to the third diagnostic pickup () by a third protective impedance ().