发明授权
US07133601B2 Amperage control for protection of battery over current in power tools
有权
用于保护电动工具中电池过电流的电流控制
- 专利标题: Amperage control for protection of battery over current in power tools
- 专利标题(中): 用于保护电动工具中电池过电流的电流控制
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申请号: US10782400申请日: 2004-02-18
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公开(公告)号: US07133601B2公开(公告)日: 2006-11-07
- 发明人: Alan Phillips , Julie L. Jones
- 申请人: Alan Phillips , Julie L. Jones
- 申请人地址: US DE Newark
- 专利权人: Black & Decker Inc.
- 当前专利权人: Black & Decker Inc.
- 当前专利权人地址: US DE Newark
- 代理机构: Harness, Dickey & Pierce, P.L.C.
- 主分类号: H02P7/06
- IPC分类号: H02P7/06
摘要:
Amperage control of a power tool motor is provided by pulse width modulation of current from a power supply. The pulse width modulation may be varied according to the determined motor current and measured power supply voltage. The power supply preferably includes a battery, such a lithium ion or nickel cadmium.
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