Electric vehicle control

Claim 1

A MOTOR CONTROL SYSTEM FOR A BATTERY POWERED VEHICLE COMPRISING, AN ELECTRIC MOTOR, A PLURALITY OF BATTERIES, MEANS FOR CONNECTING SAID BATTERIES IN PARALEL OR IN SERIES AND WITH SAID ELECTRIC MOTOR TO VARY THE ENERGIZATION OF THE ELECTRIC MOTOR TO THEREBY VARY ITS OUTPUT SPEED, A MANUALLY OPERABLE SPEED SELECTOR SWITCH HAVING AT LEAST TWO OPERATIVE POSITIONS, A RESISTOR CONNECTED BETWEEN SAID BATTERIES AND SAID ELECTRIC MOTOR, A FIRST RELAY HAVING NORMALLY OPEN CONTACTS CONNECTED ACROSS SAID RESISTOR, SAID FRIST RELAY HAVING AN ACTUATING COIL, A TIME DELAY RELAY HAVING AN ACTUATING COIL AND SWITCHING CONTACTS, SAID TIME DELAY RELAY BEING OPERABLE TO CLOSE SAID SWITCHING CONTACTS AT A PREDETERMINED TIME FOLLOWING THE ENERGIZATION OF ITS ACTUATING COIL, MEANS ELECTRICALLY CONNECTING SAID ACTUATING COIL OF SAID TIME DELAY RELAY WITH ONE SIDE OF SAID MANUALLY OPERABLE SPEED SELECTOR SWITCH, AND MEANS CONNECTING THE CONTACTS OF SAID TIME DELAY RELAY IN CONTROLLING RELATIONSHIP WITH THE ACTUATING COIL OF SAID FIRST RELAY WHEREBY SAID RESISTOR IS SHORT CIRCUITED AT A PREDETERMINED TIME DELAY FOLLOWING THE CLOSING OF A CIRCUIT TO THE ACTUATING COIL OF SAID TIME DELAY RELAY BY SAID SPEED SELECTOR SWITCH.