Robert W Stark

US Patent:

53672151, Nov 22, 1994

Filed:

Dec 6, 1993

Appl. No.:

8/161494

Inventors:

Elmer B. Mason - Del City OK
Robert E. Stark - Springdale AR

International Classification:

H02K 1600
H02K 500

US Classification:

310114

Abstract:

A direct current motor having an armature axially supported between magnetic pole plates having opposing pairs of pole shoes extending in interdigital parallel opposition with respect to the periphery of the armature between the pole plates adjacent the armature, is energized by direct current through a pair of coils interposed between and connected with the magnetic pole plates. The respective ends of selected pole shoes are connected with pole plates of like polarity magnetic flux and similarly the remaining of pole shoes are connected at their respective ends with pole plates of opposite polarity magnetic flux density. Wiring and electrical current controls connect a DC source to the coils and armature for providing a maximum torque and speed drive shaft with a minimum of ampere drain from the DC source.

US Patent:

53651340, Nov 15, 1994

Filed:

Jan 12, 1994

Appl. No.:

8/180258

Inventors:

Elmer B. Mason - Del City OK
Robert E. Stark - Springdale AR

International Classification:

H02K 1602

US Classification:

310114

Abstract:

A direct current motor having an armature supported between magnetic pole plates having pairs of dual pole shoes extending between the plates in diametric opposition with respect to the periphery of the armature is energized by direct current through a pair of iron coil cores at opposite sides of the armature and connected with the magnetic pole plates. In other embodiments, the magnetic flux pattern facing the armature is longitudinally divided by a groove in the respective pole of the pairs of pole shoes facing the armature. Wiring and electrical current controls connect a DC source to the coils and armature for operating the armature and providing a selected torque with a minimum of ampere drain from the DC source.