Torque motor with combined shield ring and rotor ring

Details Torque motor with combined shield ring and rotor ring Torque motor with combined shield ring and rotor ring

1995-12-01

1999-09-21

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 36, 310254, 310 67R, 310266, 3542711, H02K 106, H02K 3316, H02F 708

Patent

active

059558067

ABSTRACT:
A torque motor includes an annular, cylindrically symmetric support base, and a plurality of electromagnet coils affixed to the support base at regular intervals around a cylindrical circumference of the support base. There is additionally an annular, generally cylindrical, rotationally movable rotor ring overlying the support base and having an inner surface, and a plurality of permanent magnets affixed to the inner surface of the rotor ring at regular intervals around a cylindrical circumference of the rotor ring. The number of permanent magnets is even and equal to the number of electromagnet coils, and the permanent magnets are arranged in alternating polarities around the circumference of the rotor ring. In a preferred form, there are six of each type of magnet, spaced equidistantly around the circumference of the respective rings.

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