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Sidney A Davis: Brushless D.C. motor. IMC Magnetics Corporation, Alan H Levine, January 18, 1977: US04004202 (49 worldwide citation)

A motor comprising a permanent magnet rotor, a plurality of stationary stator windings around the rotor, and an electromagnetic commutator for sequentially energizing and deenergizing the windings. The commutator includes a stationary transformer including a primary winding and a plurality of second ...


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Coleman W Conrad: Linear and rotary actuator. IMC Magnetics Corporation, Herzig & Yanny, August 19, 1986: US04607197 (24 worldwide citation)

A linear and rotary electromagnetic device particularly adapted as a linear and rotary stepper or stepper motor. A cylindrical movable member or armature is provided which is mounted for both axial movement and for angular movement about its axis. The armature member has teeth on its surface formed ...


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Saretzky Simon: Rotor-stator assembly having reduced inertia. IMC Magnetics Corporation, September 7, 1971: US3603826 (19 worldwide citation)

A stator rotor and permanent magnet assembly constituting a stepper motor or induction-type generator having reduced inertia. A nonrotating permanent magnet is provided. A rotor is configured to have a part rotating in a gap between the stator poles and the permanent magnet. The permanent magnet is ...


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Friese Karl E: Electrically driven fan. IMC Magnetics Corporation, Levine Alan H, October 21, 1975: US3914071 (11 worldwide citation)

A fan comprising a frame carrying a stationary cantilever shaft supporting a sleeve to which the fan impeller is fixed. Ball bearings are arranged between the shaft and sleeve. A cap covers the end of the sleeve farther from the fixed end of the shaft, and a curved snap ring pressing against the cap ...


5
Friese Karl E: Bearing seal means for an electrically driven fan. IMC Magnetics Corporation, October 19, 1971: US3614261 (7 worldwide citation)

A tubular ferrule connects the fan impeller to the rotor of the fan motor. Fixed within the ferrule is a porous bearing rotatable about a shaft fixed to the fan frame. One end of the ferrule carries a cuplike member, within which may be a felt ring, for accumulating any lubricating oil seeping out f ...


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Coleman W Conrad, Edward W Fenska: Safety arming device for missiles. IMC Magnetics Corporation, Albert M Herzig, Edward C Walsh, December 18, 1979: US04179150 (6 worldwide citation)

Safety arming solenoid for use with missiles. Pivoted jaw means retain the end of an arming wire or cable that connects to the missile. A solenoid controls opening of the jaw means. The solenoid is a rotary type having a stem with an end part positionable angularly to restrain the jaws against openi ...


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Conrad Coleman W, Fenska Edward W: Surete sur projectiles, Safety arming device for missiles. Imc Magnetics Corporation, ROLSTON GEORGE A, January 26, 1982: CA1117161

ABSTRACT OF THE DISCLOSURE A safety arming solenoid for use with missilesin which pivoted jaw means retain the end of an arming wireor cable that connects to the missile. A solenoid controlsopening of the jaw means. The solenoid is a rotary typehaving a stem with an end part positionable angularly t ...


10
Conrad Coleman W: Moteur electrique a mouvements lineaire et tournant simultanes, et commande connexe, Combined linear and rotary electric motor and actuator. Imc Magnetics Corporation, ROLSTON GEORGE A, April 6, 1982: CA1121431

ABSTRACT OF THE DISCLOSURE A linear and rotary electromagnetic device particularlyadapted as a linear and rotary stepper or stepper motor. Acylindrical movable member or armature is provided which ismounted for both axial movement and for angular movement aboutits axis. The armature member has teeth ...