Vehicles having electrically controlled automatic level-correcting suspension

Claim 1

IN A VEHICLE HAVING A BODY, AN ACCELERATOR PEDAL, WHEELS AND A FLUID SUSPENSION SYSTEM, AT LEAST ONE SUSPENSION ELEMENT ASSOCIATED WITH EACH WHEEL FOR SUPPORTING SAID BODY, ELECTRICALLY ACTUATED TRANSFER MEANS FOR CONTROLLING AN ACTIVE FLUID MASS ENCLOSED WITHIN SAID ELEMENT, AN ELECTRICAL LEVEL-CORRECTING DEVICE COMPRISING, IN COMBINATION, A WHEEL-SWITCH ASSOCIATED WITH EACH WHEEL FOR DETECTING THE POSITION THEREOF RELATIVE TO SAID BODY AND FOR CONTROLLING THEREBY THE ACTUATION OF SAID TRANSFER MEANS, IMPULSE-PRODUCING MEANS COMPRISING SWITCHING MEANS AND AN ELECTRIC POWER SOURCE, SAID IMPULSE-PRODUCING MEANS CONNECTING SAID WHEEL SWITCH TO SAID ELECTRIC POWER SOURCE ONLY AT SELECTIVE INTERVALS, A RE-FEED RELAY OF THE NORMALLY OPEN TYPE HAVING AN ENERGIZING COIL AND A MOBILE ARMATURE ACTUATABLE BY SAID COIL, SAID ARMATURE IN ITS CLOSED POSITION BY-PASSING SAID IMPULSE-PRODUCING MEANS BY CLOSING A CIRCUIT BETWEEN SAID POWER SOURCE AND SAID WHEEL SWITCH, AT LEAST ONE UNIDIRECTIONAL CURRENT FLOW MEANS CONNECTING SAID ENERGIZING COIL TO EACH AND EVERY ONE OF SAID TRANSFER MEANS FOR PROVIDING ENERGIZATION OF SAID COIL AT THE SAME TIME AS ANY ONE OF SAID TRANSFER MEANS BUT PREVENTING STRAY SIMULTANEOUS ENERGIZATION OF SEVERAL TRANSFER MEANS.