POWER-DRIVEN TOOL WITH BATTERY SUPPLY, WHICH HAS PROTECTION CIRCUIT AGAINST EXCESS CURRENTS AND BATTERY POWER SUPPLY FOR THIS TOOL Russian patent published in 2009 - IPC H02H3/27

Abstract RU 2374735 C2

FIELD: electricity.

SUBSTANCE: there proposed is wireless power-driven tool with lithium rechargeable battery as power supply of electric motor equipped with protection circuit against excess currents.

EFFECT: circuit allows short-term excess current passing during start-up of electric motor and excludes excess currents which can pass at electric motor braking when using the tool.

7 cl, 5 dwg

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RU 2 374 735 C2

Authors

Aradachi Takao

Funabashi Kadzukhiko

Khanava Khirojuki

Ogura Masajuki

Dates

2009-11-27—Published

2006-04-04—Filed