Title:
The display module for meter panels accompanied by smooth operation
Document Type and Number:
Japanese Patent JP6181659
Kind Code:
B2
Abstract:
A display module has a two-phase motor which includes a rotor including N pairs of poles magnetized radially, in alternate directions, N being equal to 3 or 5, and a stator part including at least two W-shaped circuits made from radial pole teeth extending inwards from a peripheral closed belt and including a coil on a central leg of the W, the W-shaped circuits being arranged in such a way that when the central tooth of one of the W-shaped circuits is positioned facing a rotor magnetic transition, at least one central tooth of another W-shaped circuit is positioned facing a rotor magnetic pole. The display module additionally includes at least one specific mechanical interaction between the rotor and the stator, such as angular friction at a force that is substantially constant depending on the speed of the rotor relative to the stator.
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Inventors:
Heinrich, Sebastian
Application Number:
JP2014540543A
Publication Date:
August 16, 2017
Filing Date:
November 13, 2012
Export Citation:
Assignee:
Moving Magnet Technologies
International Classes:
H02K37/24; G01D11/00; G01D13/22; H02K37/14; H02K37/16
Domestic Patent References:
| JP2004251354A | ||||
| JP2002354777A | ||||
| JP2009531166A | ||||
| JP2007307555A | ||||
| JP2001281013A |
Attorney, Agent or Firm:
Atsushi Honda
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