公开(公告)号：WO2013090623A1

公开(公告)日：2013-06-20

申请号：PCT/US2012/069574

申请日：2012-12-13

Applicant: QUALCOMM INCORPORATED

Inventor： KASTURI, Sreenivas ,  GUPTA, Ashish ,  MCFARLAND, Michael K.

IPC: H04B5/00 ,  H02J7/02

CPC classification number: H04B5/0037 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H04B5/0087

Abstract: Systems and methods for low loss wireless power transmission are described herein. In one aspect, a transmission coil for transmitting wireless power comprises a first and second spiral coil. Each spiral coil comprises a plurality of turns. A center of the first spiral coil to an outermost turn of the first spiral coil defines a first cross section, and a center of the second spiral coil to an outermost turn of the second spiral coil defines a second cross section. Portions of the first spiral coil along the first cross section and the second spiral coil along the second cross section have a mutual inductance with respect to a receive coil greater than 65% of a maximum mutual inductance along the first and second cross sections. The second spiral coil is counter-wound relative to the first spiral coil.

Abstract translation: 本文描述了用于低损耗无线电力传输的系统和方法。 一方面，用于传输无线电力的传输线圈包括第一和第二螺旋线圈。 每个螺旋线圈包括多个匝。 第一螺旋线圈的中心到第一螺旋线圈的最外圈，限定第一横截面，并且第二螺旋线圈的中心到第二螺旋线圈的最外圈，限定第二横截面。 沿着第一横截面的第一螺旋线圈的部分和沿着第二横截面的第二螺旋线圈相对于大于沿着第一和第二横截面的最大互感的65％的接收线圈具有互感。 第二螺旋线圈相对于第一螺旋线圈相反缠绕。

公开(公告)号：EP2792081B1

公开(公告)日：2017-11-22

申请号：EP12806833.5

申请日：2012-12-13

Applicant: Qualcomm Incorporated

Inventor： KASTURI, Sreenivas ,  GUPTA, Ashish ,  MCFARLAND, Michael K.

IPC: H04B5/00 ,  H02J7/02 ,  H02J5/00

CPC classification number: H04B5/0037 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H04B5/0087

公开(公告)号：EP2792081A1

公开(公告)日：2014-10-22

申请号：EP12806833.5

申请日：2012-12-13

Applicant: Qualcomm Incorporated

Inventor： KASTURI, Sreenivas ,  GUPTA, Ashish ,  MCFARLAND, Michael K.

IPC: H04B5/00 ,  H02J7/02

CPC classification number: H04B5/0037 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H04B5/0087

Abstract: Systems and methods for low loss wireless power transmission are described herein. In one aspect, a transmission coil for transmitting wireless power comprises a first and second spiral coil. Each spiral coil comprises a plurality of turns. A center of the first spiral coil to an outermost turn of the first spiral coil defines a first cross section, and a center of the second spiral coil to an outermost turn of the second spiral coil defines a second cross section. Portions of the first spiral coil along the first cross section and the second spiral coil along the second cross section have a mutual inductance with respect to a receive coil greater than 65% of a maximum mutual inductance along the first and second cross sections. The second spiral coil is counter-wound relative to the first spiral coil.

Abstract translation: 本文描述了用于低损耗无线电力传输的系统和方法。 一方面，用于传输无线电力的传输线圈包括第一和第二螺旋线圈。 每个螺旋线圈包括多个匝。 第一螺旋线圈的中心到第一螺旋线圈的最外圈，限定第一横截面，并且第二螺旋线圈的中心到第二螺旋线圈的最外圈，限定第二横截面。 沿着第一横截面的第一螺旋线圈的部分和沿着第二横截面的第二螺旋线圈相对于接收线圈具有大于沿着第一和第二横截面的最大互感的65％的互感。 第二螺旋线圈相对于第一螺旋线圈相反缠绕。