Flexible resonator attachment

US9093853B2 · kind B2 · utility

Assignee

• WiTricity Corporation · US

Inventors

• David A. Schatz · Needham, US
• Herbert Toby Lou · Carlisle, US
• Morris P. Kesler · Bedford, US
• Katherine L. Hall · Westford, US
• Konrad J. Kulikowski · North Andover, US
• Eric R. Giler · Wellesley, US
• Ron Fiorello · Tewksbury, US

Key dates

• Filing date: Jan 30, 2012
• Grant date: Jul 28, 2015
• Expiry date: Jan 25, 2034

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T90/14
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

Described herein are improved configurations for a wireless power transfer for electronic devices. In embodiments reconfigurable or flexible attachment between a source and a device is realized using permanent magnets or electromagnets. Magnetic material may be positioned on or around one or more of the resonator to provide for locations for attaching permanent magnets. A permanent magnet attached to or near one of a source or device or repeater resonators may be used to flexibly attach to the non-lossy magnetic material of another resonator structure. In embodiments, replacing lossy permanent magnets and/or electromagnets in even one of the resonators of a wireless power system may be advantageous to system performance.