Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1996-10-15
1999-09-28
Ramirez, Nestor
Electrical generator or motor structure
Dynamoelectric
Rotary
310266, 310268, 310 12, H02K 3300, F16C 3906
Patent
active
059593822
ABSTRACT:
A magnetic actuator for accomplishing relative movement between an excited actuator member and a passive actuator member, comprising: a magnetic excited actuator member configured to define along its active surface a series of external teeth separated by slots, with a back iron area behind the teeth and slots to complete the flux paths within the excited member, with actuating electrical conductors disposed within the slots to accomplish a distributed conductor electric coil arranged such that the current flows in opposite directions in the conductors in each adjacent slot, to create oppositely-directed flux paths that additively combine in the tooth between the adjacent slots to accomplish a high level of magnetic force with a lower back iron thickness; and a magnetic passive member proximate, and spaced from, the excited member active surface, the passive member completing the flux paths; whereby the position of the passive member relative to the excited member can be controlled through control of the current flow in the distributed conductors of the excited member electric coil.
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"A Fully Integrated Magnetically Acuated Micromachined Relay", pp. 231-234 of the Jun. 1996, Proceedings of the 1996 Solid State Sensor and Actuator Workshop, by William P. Taylor, Mark G. Allen and Charles R. Dauwalter.
Dingman Brian M.
Milli Sensor Systems and Actuators, Inc.
Mullins Burton S.
Ramirez Nestor
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