A. c. motor starting arrangement

Claim 1

FOR USE WITH A POLYPHASE A.C. MOTOR HAVING A ROTOR WINDING AND A PAIR OF STATOR WINDINGS FOR INDUCING THROUGH INDIVIDUAL ROTATING MAGNETIC FIELDS A PAIR OF VOLTAGES IN SAID ROTOR WINDING, AT LEAST ONE STATOR WINDING BEING ROTATABLE TO VARY THE POSITION OF SAID STATOR WINDINGS RELATIVE TO EACH OTHER BETWEEN A NULL POSITION IN WHICH THE INDUCED VOLTAGES ARE CANCELLED AND AN ALIGNED POSITION IN WHICH THE INDUCED VOLTAGES ARE ADDED TO PRODUCE MAXIMUM TORQUE, A PRESCRIBED STATOR POSITION STARTER COMPRISING IN COMBINATION; (A) A SOURCE OF POLYPHASE CURRENT; (B) CONTROL MEANS FOR CONNECTING SAID STATOR WINDINGS TO SAID SOURCE OF CURRENT; (C) MOTOR STARTING MEANS FOR ACTUATING SAID CONTROL MEANS; (D) MEANS FOR INITIALLY DISABLING SAID CONTROL MEANS FOR ADMITTING CURRENT TO SAID STATOR WINDINGS IN ANY STATOR WINDING POSITION OTHER THAN A PRESELECTED RELATIVE STATOR WINDING POSITION; (E) MEANS FOR OVERRIDING SAID DISABLING MEANS AND FOR MAINTAINING SAID CONTROL MEANS ACTUATED, IN RESPONSE TO ACTUATION OF SAID CONTROL MEANS SO THAT ONCE THE CONTROL MEANS HAS BEEN ACTUATED AND THE MOTOR STARTED WITH THE STATOR WINDINGS IN SAID PRESLECTED