WIRELESS CHARGING AND POWERING OF TOOLS

The present invention relates to wirelessly transferring energy to a cordless power tool to charge a power source, such as a rechargeable battery pack, coupled to the tool, and/or to provide power directly to the tool for operation of the tool. For example, a transmitter transmits a magnetic field,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Gabbey, Nicholas, Kuter-Arnebeck, Ottoleo, Andersen, Jonathan I
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR ELECTRICITY GENERATION HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to wirelessly transferring energy to a cordless power tool to charge a power source, such as a rechargeable battery pack, coupled to the tool, and/or to provide power directly to the tool for operation of the tool. For example, a transmitter transmits a magnetic field, and a receiver receives energy via the magnetic field. When a tool and/or battery pack with the receiver is within the magnetic field, a sensing circuit connected to the receiver recognizes the magnetic field and signals a control circuit to capture energy, via the magnetic field. The energy received by the receiver can then be converted into an electrical current that can be used to supply power to the tool and/or battery pack.