Wireless energy transfer for computer peripheral applications

US8400017B2 · kind B2 · utility

Assignee

• WiTricity Corporation · US

Inventors

• Andre B. Kurs · Sharon, US
• Aristeidis Karalis · Boston, US
• Morris P. Kesler · Bedford, US
• Andrew J. Campanella · Waltham, US
• Katherine L. Hall · Westford, US
• Konrad J. Kulikowski · North Andover, US
• Qiang Li · Irvine, US
• Marin Soljacic · Belmont, US

Key dates

• Filing date: Nov 5, 2009
• Grant date: Mar 19, 2013
• Expiry date: Sep 2, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y04S30/14
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

Described herein are improved configurations for wireless power transfer for computer peripherals, including a source magnetic resonator, integrated into a source station and connected to a power source and power and control circuitry; a device magnetic resonator, integrated into a computer peripheral; wherein power is transferred non-radiatively from the source magnetic resonator to the device magnetic resonator, and where the quality factors of the source and device resonators, Qs and Qd, satisfy the relationship, √{square root over (QsQd)}>100.