Plunger tube vapouriser

Claim 1

IN AN ATOMIZER FOR MOUNTING ON A VESSEL CONTAINING A LIQUID TO BE ATOMIZED, THE COMBINATION OF MEANS DEFINING A LIQUID PUMPING CHAMBER HAVING A PLUNGER TUBE EXTENDING THEREFROM A RECEIVE LIQUID FROM THE VESSEL, ATOMIZING JET MEANS, FIRST PASSAGE MEANS FOR COMMUNICATING SAID JET MEANS WITH SAID PLUNGER TUBE BY WAY OF SAID PUMPING CHAMBER, SECOND PASSAGE MEANS FOR VENTING THE LIQUID-CONTAINING VESSEL TO THE ATMOSPHERE, PISTON MEANS MOVABLE IN SAID PUMPING CHAMBER TO VARY THE EFFECTIVE VOLUME THEREOF, FIRST OBTURATING MEANS FOR CLOSING SAID FIRST PASSAGE MEANS AND THEREBY SEALING COMMUNICATION BETWEEN SAID PLUNGER RUBE AND SAID JET MEANS, SECOND OBTURATING MEANS FOR CLOSING SAID SECOND PASSAGE MEANS, CONTROL MEANS OPERATIVELY CONNECTED WITH SAID PISTON MEANS AND SAID FIRST AND SECOND OBTURATING MEANS AND BEING MANUALLY ACTUATABLE TO MOVE SAID PISTON MEANS IN THE DIRECTION FOR REDUCING THE EFFECTIVE VOLUME OF SAID CHAMBER SO AS TO PUMP LIQUID FROM SAID CHAMBER TO SAID JET MEANS AND SIMULTANEOUSLY TO OPEN BOTH SAID FIRST AND SECOND OBTURATING MEANS, AND A SINGLE SPRING ACTING ON SAID CONTROL MEANS TO URGE BOTH SAID FIRST AND SECOND OBTURATING MEANS TO CLOSED POSITIONS THEREOF AND TO URGE SAID PISTON MEANS IN THE DIRECTION FOR INCREASING THE EFFECTIVE VOLUME OF SAID CHAMBER SO AS TO DRAW LIQUID INTO THE LATTER THROUGH SAID PLUNGER TUBE.