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US 2014/0152413 A1Published application
Coupled Inductor Structure
AssigneeFuturewei Technologies, Inc.
InventorsDianbo Fu, Yunfeng Liu, Yanshen Hu
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Abstract
An embodiment apparatus comprises a magnetic core comprising a first side and a second side opposite the first side, a first winding comprising a first portion wound around the first side and a second portion wound around the second side, a second winding comprising a third portion wound around the first side and a fourth portion wound around the second side, wherein the second portion and the fourth portion are coupled to each other.
Claims20
An apparatus comprising:
- a magnetic core comprising a first side and a second side opposite the first side;
- a first winding comprising:
- a first portion wound around the first side;
- and
- a second portion wound around the second side;
- a second winding comprising:
- a third portion wound around the first side;
- and
- a fourth portion wound around the second side, wherein the second portion and the fourth portion are coupled to each other, wherein:
- the first portion and the third portion are wound around the first side in a same direction;
- and
- the second portion and the fourth portion are wound around the second side in a same direction.
9 more elements
(canceled)
A system comprising:
- a first inverter;
- a second inverter, wherein the second inverter and the first inverter are connected in parallel;
- a coupled inductor having a first input and a second input connected to the first inverter and the second inverter respectively, wherein the coupled inductor comprises:
- a magnetic core comprising a first side and a second side opposite the first side;
- a first winding comprising:
- a first portion wound around the first side;
- and
- a second portion wound around the second side;
- a second winding comprising:
- a third portion wound around the first side;
- and
- a fourth portion wound around the second side, wherein the second portion and the fourth portion are coupled to each other;
- and
- an output filter coupled to the output of the coupled inductor.
11 more elements
A method comprising:
- winding a conductive wire at a first side of a magnetic core to form a first group of winding turns;
- extending the conductive wire from the first side to a second side of the magnetic core;
- winding the conductive wire at the second side of the magnetic core to form a second group of winding turns;
- winding the conductive wire at the second side of the magnetic core to form a third group of winding turns;
- extending the conductive wire from the second side to the first side of the magnetic core;
- and
- winding the conductive wire at the first side of the magnetic core to form a fourth group of winding turns.
4 more elements
Dependencies are inferred from the claim text.