US Patent No. 10,172,237

SPACE-EFFICIENT PCB-BASED INDUCTOR


Patent No. 10,172,237
Issue Date January 01, 2019
Title Space-efficient Pcb-based Inductor
Inventorship Alireza Safaee, Cupertino, CA (US)
Thomas Dreeben, Swampscott, MA (US)
John Cross, Needham, MA (US)
Assignee OSRAM SYLVANIA Inc., Wilmington, MA (US)

Claim of US Patent No. 10,172,237

1. An inductor, comprising:a first set of inductor turns arranged to form a first toroidal end section;
a second set of inductor turns arranged to form a first cylindrical side section;
a third set of inductor turns arranged to form a second toroidal end section; and
a fourth set of inductor turns arranged to form a second cylindrical side section;
wherein:
the first toroidal end section, first cylindrical side section, second toroidal end section, and second cylindrical side section are connected in series; and
the turns of the first and third sets of inductor turns each has a first length, the turns of the second and fourth sets of inductor turns each has a second length, and wherein the second length is longer than the first length.