Levitation magnetic actuator

Details Levitation magnetic actuator Levitation magnetic actuator

2004-07-15

2010-11-16

Barrera, Ramon M (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

C335S229000, C335S234000, C335S270000, C335S282000, C335S297000, C335S299000

Reexamination Certificate

active

07834727

ABSTRACT:
This is a magnetic actuator including a mobile magnetic portion (20), a fixed magnetic portion (10) provided with at least two attraction areas (11, 12) for the mobile magnetic portion (20), and means (30) for triggering the displacement of the mobile magnetic portion (20), the mobile magnetic portion (20) being in levitation when it is not in contact with an attraction area (11, 12). The mobile magnetic portion (20) includes a magnet-based part (200) with reduced magnet weight, this part (200) having an overall volume, and a mass which is less than the one it would have if its overall volume was totally occupied by the magnet.

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patent: 6916004 (2005-07-01), Suzuki
patent: 2001/0030307 (2001-10-01), Bergstrom et al.
patent: 2 828 000 (2003-01-01), None
patent: 9-252570 (1997-09-01), None

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