公开(公告)号：US10461543B2

公开(公告)日：2019-10-29

申请号：US16107993

申请日：2018-08-21

Applicant: Apple Inc.

Inventor： Hao Li ,  Saining Ren ,  Aijun Qin

IPC: H02J7/00 ,  H02J5/00 ,  H02J7/02 ,  H02J50/00 ,  H02J50/70 ,  H01F38/14 ,  H01M10/46 ,  H01M2/10 ,  H01F3/00

Abstract: A receiver coil assembly for a wirelessly rechargeable battery including first and second transverse coils and a third coil encompassing the first and second coils. The receiver coil may be employed in a power receiver of a wirelessly rechargeable battery. Also disclosed is a wirelessly rechargeable battery having a power receiver demountable from an electrochemical cell.

公开(公告)号：US20190311848A1

公开(公告)日：2019-10-10

申请号：US16134812

申请日：2018-09-18

Applicant: Apple Inc.

Inventor： Liang Chen ,  Saining Ren

IPC: H01F27/34 ,  H02J50/12 ,  H02J7/02 ,  H02J7/00 ,  H01F27/24 ,  H01F27/28 ,  H01F27/06

Abstract: An inductive power transfer assembly comprising a magnetic core having a base portion, a first limb, and a second limb, wherein the first limb and the second limb extend, in a direction, from a surface of the base portion a first power transfer coil and a second power transfer coil, wherein the first power transfer coil is wound about the first limb, and wherein the second power transfer coil is wound about the second limb; and inverter circuitry connected to the first power transfer coil and the second power transfer coil, wherein the inverter circuitry, during operation, causes the first power transfer coil and the second power transfer coil to generate flux having opposing polarity.

公开(公告)号：US10340705B2

公开(公告)日：2019-07-02

申请号：US15671599

申请日：2017-08-08

Applicant: Apple Inc.

Inventor： Hao Li ,  Saining Ren ,  Aijun Qin

IPC: H02J7/00 ,  H02J5/00 ,  H02J7/02 ,  H02J50/00 ,  H02J50/70 ,  H01F38/14 ,  H01M10/46 ,  H01M2/10 ,  H01F3/00

Abstract: A receiver coil assembly for a wirelessly rechargeable battery including first and second transverse coils and a third coil encompassing the first and second coils. The receiver coil may be employed in a power receiver of a wirelessly rechargeable battery. Also disclosed is a wirelessly rechargeable battery having a power receiver demountable from an electrochemical cell.

公开(公告)号：US20190097472A1

公开(公告)日：2019-03-28

申请号：US16200960

申请日：2018-11-27

Applicant: Apple Inc.

Inventor： Fady Mishriki ,  Lawrence Bernardo dela Cruz ,  Daniel James Robertson ,  John Kinnear Terry ,  Saining Ren

IPC: H02J50/90 ,  H04B5/00 ,  H02J50/10 ,  H02J50/40

Abstract: A powered joint having a first joint component and second joint component in which the first joint component has multiple degrees of rotational freedom with respect to the second joint component, the powered joint including one or more power transmission coils associated with the first component; a plurality of power receiving coils associated with the second component; a sensor which determines the orientation of the second component with respect to the first component; and a control circuit for selectively connecting one of the plurality of power receiving coils to a power receiving circuit based on information received from the sensor.

公开(公告)号：US10020687B2

公开(公告)日：2018-07-10

申请号：US15113591

申请日：2015-01-22

Applicant: Apple Inc.

Inventor： Eugenio Jr. Sia Lecias ,  Junbo Zeng ,  Saining Ren ,  Daniel James Robertson ,  Michael Nasa ,  Ron Rafer Floresca ,  Arunim Kumar ,  Ali Abdolkhani

IPC: H02J50/12 ,  H02J50/40 ,  H01F38/14 ,  H02J7/02 ,  H02J5/00 ,  H02J50/80 ,  H02M7/06 ,  H02J50/70

CPC classification number: H02J50/12 ,  H01F38/14 ,  H02J5/005 ,  H02J7/025 ,  H02J50/40 ,  H02J50/70 ,  H02J50/80 ,  H02M7/06

Abstract: An inductive power transfer device including: a resonant circuit, having a power transfer coil and a power transfer capacitor; a coupling coil, magnetically-coupled to the power transfer coil; a variable impedance; and a controller configured to determine the impedance value of the variable impedance based on predetermined criteria including: substantially regulating power provided to a load; tuning the resonant circuit resonant frequency substantially to a predetermined frequency; adjusting a frequency of a magnetic field associated with the power transfer coil; and/or adjusting an impedance reflected by the power transfer coil to a corresponding coupled power transfer coil.