Control valve for vehicle closure operator system

Claim 1

THE COMBINATION COMPRISING, A VEHICLE BODY HAVING A CLOSURE MOVABLE BETWEEN OPEN AND CLOSED POSITIONS, A SOURCE OF PRESSURIZED FLUID, A SUMP, A FLUID MOTOR INCLUDING A PISTON OPERABLE TO MOVE SAID CLOSURE BETWEEN SAID POSITIONS THEREOF, FIRST PASSAGE MEANS FOR SUPPLYING FLUID UNDER PRESSURE FROM SAID SOURCE TO ONE SIDE OF SAID MOTOR TO MOVE SAID CLOSURE FROM ONE OF SAID POSITIONS THEREOF TO THE OTHER POSITION THEREOF, SECOND PASSAGE MEANS CONNECTING SAID ONE SIDE OF SAID MOTOR TO SAID SUMP, THIRD PASSAGE MEANS CONNECTING THE OTHER SIDE OF SAID MOTOR TO SAID SUMP, A VALVE RESPONSIVE TO PRESSURIZATION IN SAID FIRST PASSAGE MEANS FOR SELECTIVELY AND ALTERNATELY CLOSING SAID SECOND PASSAGE MEANS WHEN SAID FIRST PASSAGE MEANS IS PRESSURIZED FROM SAID SOURCE OR OPENING SAID SECOND PASSAGE MEANS WHEN SAID FIRST PASSAGE MEANS IS NOT PRESSURIZED FROM SAID SOURCE, AND MEANS IN SAID FIRST PASSAGE MEANS INTERMEDIATE SAID ONE SIDE OF SAID MOTOR AND SAID VALVE FOR TRAPPING PRESSURIZED FLUID REMOTE FROM SAID VALVE TO PERMIT RAPID OPENING OF SAID SECOND PASSAGE MEANS UPON MOVEMENT OF SAID CLOSURE FROM SAID OTHER TO SAID ONE POSITION THEREOF INDEPENDENTLY OF FLUID SUPPLY TO SAID MOTOR FROM SAID SOURCE.