Electrically actuated sampling valve

Claim 1

A DOUBLE-ACTING SOLENOID-ACTUATED CONTROL MECHANISM COMPRISING, IN COMBINATION: A CASING HAVING A CHAMBER THEREIN AND FIRST AND SECOND PASSAGES EXTENDING FROM SAID CHAMBER TO A REGION EXTERIOR OF SAID CASING; FIRST AND SECOND CONTROL RODS SLIDABLY DISPOSED IN SAID FIRST AND SECOND PASSAGES, RESPECTIVELY, SAID FIRST ROD BEING SHORTER THAN SAID SECOND ROD; FIRST SPRING MEANS SECURED WITHIN SAID CHAMBER AND OPERATIVELY ATTACHED TO EACH OF SAID RODS SO AS TO BIAS SAID RODS INWARDLY OF SAID CASING; A WASHER DISPOSED WITHIN SAID CHAMBER TO CONTACT THE INNER END OF SAID FIRST ROD, SAID WASHER BEING TRAVERSED BY A THIRD PASSAGE TO PERMIT SAID SECOND ROD TO SLIDABLY PASS THERETHROUGH; A FLOATING STATOR POSITIONED WITHIN SAID CHAMBER; SECOND SPRING MEANS POSITIONED WITHIN SAID CHAMBER SO AS TO BIAS SAID STATOR TOWARD THE INNER END OF SAID SECOND ROD; AN ARMATURE POSITIONED ADJACENT SAID STATOR, SAID ARMATURE ENGAGING SAID WASHER SO THAT THE FORCE EXERTED BY SAID FIRST SPRING MEANS THROUGH SAID FIRST ROD AND SAID WASHER BIASES SAID ARMATURE AWAY FROM SAID STATOR TO FORM AN AIR GAP THEREBETWEEN; A SOLENOID POSITIONED WITHIN SAID CHAMBER SO THAT WHEN SAID SOLENOID IS ENERGIZED SAID ARMATURE IS MOVED RELATIVE TO SAID STATION TO CLOSE SAID AIR GAP, WHEREBY SAID FIRST ROD IS MOVED IN A DIRECTION OUTWARDLY OF SAID CASING AND SAID SECOND ROD IS MOVED IN A DIRECTION INWARDLY OF SAID CASING.