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1. 发明申请

US20110123375A1 ROTATIONAL DIRECTION INDICATOR 有权
标题翻译：旋转方向指示器
公开(公告)号：US20110123375A1
公开(公告)日：2011-05-26
申请号：US12994549
申请日：2009-04-27
申请人： Lars Ostergaard , Carsten Norgard
发明人： Lars Ostergaard , Carsten Norgard
IPC分类号： F04D29/58 , H02K9/06 , G01D13/00
CPC分类号： F04D29/584 , F04B2205/05 , G01F1/28 , H02K9/06 , H02K11/21
摘要： The inventive rotational direction indicator for an electric motor having a cooling fan has a baffle element which can be moved between two positions and which can be arranged on an electric motor with a cooling fan in such a way that the baffle element is positioned in an airstream of the cooling fan whose direction depends on the rotational direction of the electric motor, and said baffle element is respectively moved into one of its two positions by said electric motor as a function of the direction of the airstream. The rotational direction indicator has a display unit which is designed to visually indicate the position of the baffle element and can be arranged on an outer side of the electric motor. In addition, the rotational direction indicator has a display actuating unit which connects the display unit and baffle element to one another, and transmits the position of the baffle element to the display unit.
摘要翻译：具有冷却风扇的电动机的本发明旋转方向指示器具有挡板元件，该挡板元件可以在两个位置之间移动，并且其可以布置在具有冷却风扇的电动机上，使得挡板元件位于气流中所述冷却风扇的方向取决于所述电动机的旋转方向，并且所述挡板元件根据所述气流的方向被所述电动机分别移动到其两个位置中的一个位置。旋转方向指示器具有显示单元，该显示单元设计成可视地指示挡板元件的位置，并且可以布置在电动机的外侧。此外，旋转方向指示器具有显示致动单元，其将显示单元和挡板元件彼此连接，并且将挡板元件的位置传递到显示单元。

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