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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.:

US 9882506 B1

PDFFull Text
Date of Patent:
Jan. 30, 2018

Filed:

Mar. 17, 2014

Multiple inductive component

Applicant:

Philips Lighting Holding B.v., Eindhoven, NL;

Inventors:

Bernd Ackermann, Aachen, DE;

Reinhold Elferich, Aachen, DE;

David Llewellyn John, Willingham, GB;

Assignee:

PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;

Attorney:

Akarsh P. Belagodu

Primary Examiner:

Tuyen Nguyen

Int. Cl.
CPC ...
H01F 17/06 (2006.01); H02M 7/06 (2006.01); H01F 3/14 (2006.01); H01F 17/04 (2006.01); H01F 27/26 (2006.01); H01F 27/24 (2006.01); H01F 27/28 (2006.01); H02M 1/42 (2007.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H02M 7/06 (2013.01); H01F 3/14 (2013.01); H01F 17/045 (2013.01); H01F 17/06 (2013.01); H01F 27/24 (2013.01); H01F 27/26 (2013.01); H01F 27/2823 (2013.01); H02M 1/42 (2013.01); H05B 33/0815 (2013.01);
Abstract

A multiple inductive component () comprises:—a cylindrical drum core component () with at least two axially spaced circumferential grooves () in its cylindrical outer surface (), a separation disc portion () between said two circumferential grooves and two outer disc portions () at the sides of the said two circumferential grooves, respectively, directed away from the separation disc portion;—at least one first winding () arranged in a first one () of said grooves;—at least one second winding () arranged in a second one () of said grooves;—a cylindrical shell core component () arranged coaxially around the cylindrical drum core component;—two outer air gaps () between the cylindrical shell core component and said two outer disc portions, respectively. The separation disc portion is magnetically short circuited with the cylindrical shell core component.

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