专利名称：ENERGY-EFFICIENT ELECTRIC SCREW
DRIVERS
发明人：Hsiu-Lin Hsu申请号：US14259441申请日：20140423
公开号：US20150306748A1公开日：20151029
专利附图：
摘要：An energy-efficient electric screw driver designed to have three adjustmentmodes, including: Sport, Normal and ECO. The capacitor is mounted in the control panelof the electric screw driver and is combined with the battery for use. MCU can limit and
change current at different torsions and startup current when the rotating speed isconstant. The battery current output can be controlled. At different modes, the powersaving effect can be achieved. Lower current also reduces battery temperature, savespower and prolongs battery life.
申请人：Hsiu-Lin Hsu
地址：New Tapei City TW
国籍：TW
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