Title:
COILS FOR WIRELESS POWER SYSTEMS
Document Type and Number:
WIPO Patent Application WO/2020/205721
Kind Code:
A3
Abstract:
A wireless power system has a wireless power transmitting device and a wireless power receiving device. The wireless power transmitting device may be a wireless charging mat with one or more coils or may be a wireless charging puck with one or more coils. In some embodiments, the wireless charging puck may have six coils or other number of coils arranged in a ring. The wireless power receiving device may have an elongated magnetic core such as a C-shaped core with pillars at opposing ends. First and second coils may be formed on the pillars and a third coil may be formed between the first and second coils. The coils of the wireless power receiving device such as the first and second coils on the magnetic core may be configured to receive magnetic flux emitted by a pair of the six coils in the wireless charging puck.
Inventors:
REN SAINING (US)
LEUNG HO (US)
CHEN LIANG (US)
LEUNG HO (US)
CHEN LIANG (US)
Application Number:
PCT/US2020/025690
Publication Date:
November 19, 2020
Filing Date:
March 30, 2020
Export Citation:
Assignee:
APPLE INC (US)
International Classes:
H02J50/10; H02J7/00
Foreign References:
| KR20170100249A | 2017-09-04 | |||
| US20170353061A1 | 2017-12-07 | |||
| CN101425705A | 2009-05-06 | |||
| CN108886270A | 2018-11-23 | |||
| CN202957669U | 2013-05-29 | |||
| US20180069600A1 | 2018-03-08 |
Attorney, Agent or Firm:
TREYZ, George, Victor (US)
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