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1. 发明授权

US07732955B2 Power tool with motor air flow path control 有权
标题翻译：电动工具带电机空气流路控制
公开(公告)号：US07732955B2
公开(公告)日：2010-06-08
申请号：US12193206
申请日：2008-08-18
申请人： Phillip T. Miller , Brian E. Friedman
发明人： Phillip T. Miller , Brian E. Friedman
IPC分类号： H02K9/06
CPC分类号： H02K9/06 , B23D53/12 , B23D55/00 , H02K5/20 , H02K7/145
摘要： In accordance with an aspect of the present disclosure, a power tool has an electric motor having a stator disposed in a field case. The stator has field coils having opposed axial ends that extend axially outwardly from opposed axial ends of a lamination stack of the stator. An armature is disposed in the stator and has a shaft on which a fan is disposed. There are gaps between the opposed axial ends of the respective field coils. The fan baffle includes an air direction member that extends into one of the gaps to direct air flow between the armature and the stator. In an aspect, the fan baffle includes a plurality of such members, one for each gap.
摘要翻译：根据本公开的一个方面，电动工具具有电动机，其具有设置在外壳中的定子。定子具有具有相对的轴向端的励磁线圈，该轴向端部从定子的层压叠层的相对的轴向端部轴向向外延伸。电枢设置在定子中并具有设置有风扇的轴。在相应的励磁线圈的相对的轴向端之间存在间隙。风扇挡板包括延伸到一个间隙中的空气方向构件，以引导电枢和定子之间的空气流动。在一方面，风扇挡板包括多个这样的构件，每个间隙一个。

2. 发明申请

US20120302147A1 AIRFOLW ARRANGEMENT FOR A POWER TOOL 有权
标题翻译：电动工具的AIRFOLW装置
公开(公告)号：US20120302147A1
公开(公告)日：2012-11-29
申请号：US13116395
申请日：2011-05-26
申请人： Paul K. Trautner , Phillip T. Miller , William F. Gallagher , Michael C. Doyle
发明人： Paul K. Trautner , Phillip T. Miller , William F. Gallagher , Michael C. Doyle
IPC分类号： B24B55/02
CPC分类号： B25F5/008 , B24B23/028 , B24B41/007 , B24B55/00 , H02K9/06 , H02K9/26
摘要： The present invention is directed to an airflow generation and particle dispersion arrangement for a power tool (e.g., an angle grinder). The arrangement includes a motor, an airflow generation assembly, and a particle dispersion assembly. The airflow generation assembly includes a fan driven by the motor. When engaged, the driven fan generates an airstream that is drawn through the power tool. The particle dispersion assembly includes a passive fan that is not driven by the motor, but instead is driven by the airstream. In operation, the passive fan generates centrifugal and mechanical forces sufficient to remove particles from intake air passing through the particle dispersion assembly.
摘要翻译：本发明涉及用于电动工具（例如，角磨机）的气流产生和颗粒分散装置。该装置包括电动机，气流发生组件和颗粒分散组件。气流发生组件包括由电动机驱动的风扇。从动风扇接合时产生通过电动工具拉出的气流。颗粒分散组件包括不被电动机驱动的被动风扇，而是由气流驱动。在操作中，被动风扇产生足以从通过颗粒分散体组件的进气中去除颗粒的离心力和机械力。

3. 发明授权

US08348727B2 Airflow arrangement for a power tool 有权
标题翻译：电动工具的气流装置
公开(公告)号：US08348727B2
公开(公告)日：2013-01-08
申请号：US13116395
申请日：2011-05-26
申请人： Paul K. Trautner , Phillip T. Miller , William F. Gallagher , Michael C. Doyle
发明人： Paul K. Trautner , Phillip T. Miller , William F. Gallagher , Michael C. Doyle
IPC分类号： B02C23/18
CPC分类号： B25F5/008 , B24B23/028 , B24B41/007 , B24B55/00 , H02K9/06 , H02K9/26
摘要： The present invention is directed to an airflow generation and particle dispersion arrangement for a power tool (e.g., an angle grinder). The arrangement includes a motor, an airflow generation assembly, and a particle dispersion assembly. The airflow generation assembly includes a fan driven by the motor. When engaged, the driven fan generates an airstream that is drawn through the power tool. The particle dispersion assembly includes a passive fan that is not driven by the motor, but instead is driven by the airstream. In operation, the passive fan generates centrifugal and mechanical forces sufficient to remove particles from intake air passing through the particle dispersion assembly.
摘要翻译：本发明涉及用于电动工具（例如，角磨机）的气流产生和颗粒分散装置。该装置包括电动机，气流发生组件和颗粒分散组件。气流发生组件包括由电动机驱动的风扇。从动风扇接合时产生通过电动工具拉出的气流。颗粒分散组件包括不被电动机驱动的被动风扇，而是由气流驱动。在操作中，被动风扇产生足以从通过颗粒分散体组件的进气中去除颗粒的离心力和机械力。

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