Invention Application
- Patent Title: Method and apparatus for dissipating shaft charge
- Patent Title (中): 散发轴电荷的方法和装置
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Application No.: US10878066Application Date: 2004-06-28
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Publication No.: US20050285464A1Publication Date: 2005-12-29
- Inventor: Marcus Orders , William Woodson , Rich Schiferl , Michael Melfi
- Applicant: Marcus Orders , William Woodson , Rich Schiferl , Michael Melfi
- Main IPC: H01R39/38
- IPC: H01R39/38 ; H02K5/10 ; H02K5/12 ; H02K5/136 ; H02K5/14 ; H02K11/00 ; H02K13/00

Abstract:
The present invention relates generally to dissipation of shaft charge. According to an exemplary embodiment, the present invention provides a charge-dissipating device that includes a dissipation member disposed in an explosion-proof enclosure. When mounted to a rotatable shaft of an electric motor, for example, the dissipation member is configured to generally abut against the rotatable shaft. The dissipation member dissipates shaft-charge developed in the rotatable shaft during operation of the motor. By dissipating shaft charge, the likelihood of arcing and/or bearing current (Ib) occurrences are reduced or eliminated. In accordance with another exemplary embodiment, a transmission member is configured to impart a voltage signal onto the shaft.
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