Torque motors

Details Torque motors Torque motors

2005-08-23

2005-08-23

Barrera, Ramon M. (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

C310S036000, C310S156010, C310S156440, C310S179000, C310S181000, C310S192000, C310S193000

Reexamination Certificate

active

06933818

ABSTRACT:
A torque motor may include a rotor having at least two magnets disposed thereon, and a stator having a core and at least one coil. The magnets are arranged and constructed so that the outer surfaces thereof alternately have a N pole and a S pole. The magnets cover the rotor over an angle of less than 360 degrees. The core has a first and second magnetic pole elements. The magnetic pole elements are arranged and constructed such that an angle defined between a first straight line passing through a center of the first magnetic element and a center of rotation of the rotor and a second straight line passing through a center of the second magnetic element and the center of rotation of the rotor is less than 180 degrees.

REFERENCES:
patent: 4992685 (1991-02-01), Boon et al.
patent: 5682129 (1997-10-01), Christiaens
patent: 6005319 (1999-12-01), Kondo
patent: 01-092541 (1989-04-01), None

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