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:
Oct. 02, 2012
Filed:
Feb. 11, 2009
Applicant:
Markus Wohrle, Eisenberg, DE;
Inventor:
Markus Wohrle, Eisenberg, DE;
Assignee:
Endress + Hauser Wetzer GmbH + Co. KG, Nesselwang, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for transfer of electrical energy between a primary side and a secondary side. The apparatus includes: at least one voltage input on the primary side; at least one transformer, wherein the transformer has on the primary side at least a first winding area and a second winding area; and at least one voltage monitoring unit, wherein the voltage monitoring unit is embodied in such a manner, that it connects the voltage input with the first winding area or the second winding area as a function of a primary voltage present at the voltage input.