Patent · US Active

Contactless power transfer system

US9552920B2 · kind B2 · utility

3Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 2011
Grant dateJan 24, 2017
Priority date
Expiry dateJun 26, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY04S10/126
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A system, such as a charging system, is provided. The system can include a coil. A connection module can be coupled to the coil and configured to allow the coil to communicate with an energy source to generate a magnetic field. A field-focusing element can be included, the field-focusing element acting to focus the magnetic field when the magnetic field varies in time at a predetermined rate. In one embodiment, the field-focusing element may be configured to focus the magnetic field in an area separated from the coil by at least about 5 cm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.