Title:
HIGH-EFFICIENCY WIRELESS LIGHTING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/115957
Kind Code:
A3
Abstract:
An in- shelf illumination system for a refrigerator transfers power to the shelves ( 16 ) by inductive coupling between a localized primary coil ( 20 ) in a wall of the refrigerator and a corresponding secondary coil ( 22 ) on the shelf. High frequency synthesized power permits reduced coil areas localized for each shelf. In some embodiments, localized coils ( 20, 22 ) may be implemented through planar printed circuit board coils on the same circuit boards as the associated coil driving and receiving circuitry.
Inventors:
LARSON ERIC K (US)
KANG JIAN HONG (US)
BARRENA JUAN J (US)
KANG JIAN HONG (US)
BARRENA JUAN J (US)
Application Number:
PCT/US2011/028460
Publication Date:
August 09, 2012
Filing Date:
March 15, 2011
Export Citation:
Assignee:
ILLINOIS TOOL WORKS (US)
LARSON ERIC K (US)
KANG JIAN HONG (US)
BARRENA JUAN J (US)
LARSON ERIC K (US)
KANG JIAN HONG (US)
BARRENA JUAN J (US)
International Classes:
F25D27/00; F25D25/02
Domestic Patent References:
| WO2007025789A1 | 2007-03-08 | |||
| WO2009079209A1 | 2009-06-25 | |||
| WO2009015693A1 | 2009-02-05 | |||
| WO2008012702A1 | 2008-01-31 |
Foreign References:
| US20090284179A1 | 2009-11-19 | |||
| FR2695285A3 | 1994-03-04 |
Attorney, Agent or Firm:
HAUPTMAN, Benjamin J. (Suite 300Alexandria, Virginia, US)
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