Control valve for vehicle suspension

Claim 1

IN A VEHICLE HAVING A FRAME, A WHEEL, AND A FLUID SUSPENSION UNIT INTERCONNECTING SAID WHEEL AND SAID FRAME, A CONTROL VALVE TO REGULATE THE SPACING BETWEEN SAID WHEEL AND SAID FRAME, SAID CONTROL VALVE INCLUDING A HOUSING SECURED TO SAID FRAME, A SOURCE OF FLUID PRESSURE CONNECTED TO SAID HOUSING, FIRST CONDUIT MEANS CONNECTING SAID HOUSING TO SAID FLUID SUSPENSION UNIT, SECOND CONDUIT MEANS ADAPTED TO CONNECT SAID HOUSING TO THE INLET SIDE OF SAID FLUID PRESSURE SOURCE, AN EXHAUST PORT ON SAID HOUSING, A BORE EXTENDING THROUGH SAID HOUSING, A VALVE CAPSULE SHIFTABLY MOUNTED IN SAID BORE, VALVING MEANS WITHIN SAID VALVE CAPSULE TO CONTROL FLUID ADMISSION TO AND EXHAUST FROM SAID FLUID SUSPENSION UNIT, PORT MEANS INTERCONNECTING SAID VALVING MEANS AND SAID FIRST AND SECOND CONDUIT MEANS, LINKAGE MEANS INTERCONNECTING SAID HOUSING AND SAID WHEEL TO OPERATE SAID VALVING MEANS RESPONSIVE TO RELATIVE MOVEMENT BETWEEN SAID WHEEL AND SAID FRAME, VALVE MEANS TO DISCONNECT SAID SECOND CONDUIT MEANS FROM THE INLET OF SAID FLUID PRESSURE SOURCE AND RECONNECT SAID SECOND CONDUIT MEANS TO THE OUTLET OF SAID FLUID PRESSURE SOURCE, AND MEANS RESPONSIVE TO FLUID PRESSURE IN SAID SECOND CONDUIT MEANS TO SHIFT SAID VALVE CAPSULE AND SAID VALVING MEANS WITHIN SAID HOUSING AND TOWARD SAID LINKAGE.