Invention Grant
- Patent Title: Inverter device and electric power tool
- Patent Title (中): 变频器和电动工具
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Application No.: US13984883Application Date: 2012-03-14
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Publication No.: US08964429B2Publication Date: 2015-02-24
- Inventor: Yuki Horie , Shinji Watanabe , Yasushi Nakano , Yukihiro Shima
- Applicant: Yuki Horie , Shinji Watanabe , Yasushi Nakano , Yukihiro Shima
- Applicant Address: JP Tokyo
- Assignee: Hitachi Koki Co., Ltd.
- Current Assignee: Hitachi Koki Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Kilpatrick Townsend & Stockton LLP
- Priority: JP2011-055054 20110314; JP2011-055055 20110314
- International Application: PCT/JP2012/001799 WO 20120314
- International Announcement: WO2012/124332 WO 20120920
- Main IPC: H02H7/122
- IPC: H02H7/122 ; H02P23/00 ; H02M1/32 ; H02M7/5387 ; H02K7/14 ; H02M7/44

Abstract:
An inverter device includes: an inverter circuit configured to perform ON/OFF operations with a preset duty cycle to convert a DC power into an AC power and output the AC power to an AC motor; and a controller configured to change a duty cycle of the ON/OFF operations.
Public/Granted literature
- US20140042839A1 INVERTER DEVICE AND ELECTRIC POWER TOOL Public/Granted day:2014-02-13
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