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.

Date of Patent:
Feb. 06, 2018

Filed:

May. 31, 2016
Applicants:

Infineon Technologies Ag, Neubiberg, DE;

Valeo Equipements Electriques Moteur, Creteil, FR;

Inventors:

Frank Auer, Roehrmoos, DE;

Christoph Seidl, Graz, AT;

Robert Hartmann, Munich, DE;

Ludovic Doffe, Beaurainville, FR;

Cédric Agneray, Estréelles, FR;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 11/00 (2006.01); H02H 7/06 (2006.01); H02P 9/00 (2006.01); H02P 9/10 (2006.01); H02P 9/04 (2006.01); F02N 11/06 (2006.01);
U.S. Cl.
CPC ...
H02P 9/10 (2013.01); H02P 9/006 (2013.01);
Abstract

An excitation current-limited power generator includes a digital interface configured to be coupled to an engine control unit (ECU), a regulator coupled configured to be coupled to an excitation current input of an alternator, the excitation current controlling current generated by the alternator, a frequency sensor configured to measuring rotation speed of the alternator, and memory storing a communicated limit received by the digital interface and a first permanent limit, the regulator configured to limit the excitation current to the lesser of the first permanent limit and the communicated limit.


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