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특허 상세정보

Dual-mode non-isolated corded system for transportable cordless power tools

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02J-007/00   
미국특허분류(USC) 173/217 ; 173/171 ; 310/050
출원번호 US-0458285 (1999-12-10)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Harness, Dickey & Pierce, P.L.C.
인용정보 피인용 횟수 : 97  인용 특허 : 7
초록

A dual-mode system for inexpensively operating electrically powered double-insulated devices (12), such as hand-held power tools and appliances. The system includes a cordless battery pack (14) that supplies the power and current demands of the device (12) in a cordless mode or a non-isolated corded voltage converter (16) that supplies the necessary power and current demands in a physical envelope commensurate in size and interchangeable with that of the battery pack (14). The corded voltage converter (16) is provided with a non-isolated high efficiency ...

대표
청구항

[ What is claimed is:] [1.]1. A portable low voltage DC power tool that is adapted to be powered by a power supply module comprising alternatively a cordless DC battery pack or a corded AC/DC converter adapted for connection to a relatively high voltage AC supply; said power tool comprising an electrical system including a motor and a motor control circuit for controlling the operation of the motor, and a tool housing having an exterior and an interior containing said electrical system, the exterior of said tool housing being double-insulated from said e...

이 특허를 인용한 특허 피인용횟수: 97

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