Direct-drive field actuator motors

Title: Direct-drive field actuator motors

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A high-torque, low speed, positive-drive field actuator motor is disclosed including a stator carrying at least one field actuator which changes in dimension responsive to application of an energy field, and at least one drive shoe movable by the dimensional changes of the field actuator to contact and move a rotor element with respect to the stator. Various embodiments of the motor are disclosed, and the rotor element may be moved linearly or arcuately. 37 figs.

Inventors:: Grahn, A.R.

Issue Date:: 1995-07-11

OSTI Identifier:: 87767

Assignee:: Bonneville Scientific Inc., Salt Lake City, UT (United States) PTO; SCA: 420200; PA: EDB-95:119222; SN: 95001431598

Patent Number(s):: US 5,432,395/A/

Application Number:: PAN: 8-101,496

Contract Number:: FG02-92ER81439

Resource Relation:: Other Information: PBD: 11 Jul 1995

Research Org:: Bonneville Scientific

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES; ACTUATORS; MOTORS; DESIGN; POSITIONING; OPERATION

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