Condensate valve

Claim 1

A CONDENSATE VALVE COMPRISING A HOUSING FORMED OF FIRST, SECOND AND THIRD HOUSING SECTIONS ARRANGED ENDTO-END, SAID FIRST SECTION HAVING AN ELONGATED CYLINDRICAL CAVITY THEREIN OPENING THROUGH ONE END THEREOF, SAID SECOND SECTION HAVING A MAIN BODY PORTION AND AN INTEGRAL EXTENSION EXTENDING FROM ONE END OF THE LATTER PART WAY INTO SAID CAVITY IN SAID FIRST SECTION THROUGH THE OPEN END THEREOF TO COOPERATE WITH THE WALLS OF SAID FIRST SECTION FORMING SAID CAVITY IN THE DEFINITION OF A CHAMBER, A FIRST PASSAGE IN SAID FIRST SECTION LEADING FROM ONE END OF SAID CHAMBER, PASSAGE MEANS IN SAID FIRST SECTION LEADING FROM SAID FIRST PASSAGE FOR COMMUNICATION WITH A TANK ADAPTED TO CONTAIN A GASEOUS MEDIUM UNDER PRESSURE, A SECOND PASSAGE IN THE MAIN BODY PORTION AND EXTENSION OF SAID SECOND SECTION LEADING FROM THE OPPOSITE END OF SAID CHAMBER, PASSAGE MEANS IN THE MAIN BODY PORTION OF SAID SECOND SECTION LEADING FROM SAID SECOND PASSAGE FOR COMMUNICATION WITH THE ATMOSPHERE, SAID SECOND SECTION HAVING AN ELONGATED CYLINDRICAL CAVITY IN THE MAIN BODY PORTION THEREOF COAXIAL WITH SAID FIRST-MENTIONED CAVITY AND OPENING THROUGH THE OPPOSITE END OF THE MAIN BODY PORTION OF SAID SECOND SECTION, SAID THIRD HOUSING SECTION HAVING A MAIN BODY PORTION AND AN INTEGRAL EXTENSION EXTENDING FROM ONE END OF THE LATTER PART WAY INTO THE SECOND-MENTIONED CAVITY THROUGH THE OPEN END THEREOF TO COOPERATE WITH THE WALLS OF SAID SECOND SECTION FORMING SAID SECOND-MENTIONED CAVITY IN THE DEFINITION OF A CYLINDER COAXIAL WITH SAID CHAMBER, A THIRD PASSAGE IN SAID MAIN BODY OF SAID SECOND SECTION EXTENDING FROM SAID SECOND PASSAGE TO ONE END OF SAID CYLINDER, A FOURTH PASSAGE IN THE MAIN BODY PORTION AND INTEGRAL EXTENSION OF SAID THIRD SECTION LEADING FROM THE OPPOSITE END OF SAID CYLINDER TO THE ATMOSPHERE, SAID PASSAGES BEING COAXIAL WITH EACH OTHER AND WITH SAID CHAMBER AND CYLINDER, AN ELONGATED PLUNGER WITHIN AND EXTENDING ACROSS SAID CHAMBER AND LONGITUDINALLY MOVABLE IN OPPOSITE DIRECTIONS FOR ALTERNATE SEALING ENGAGEMENT OF ITS ENDS IN SAID FIRST AND SECOND PASSAGES, SAID PLUNGER IN AN INTERMEDIATE POSITION SEALINGLY ENGAGING BOTH FIRST AND SECOND PASSAGES, A PISTON SLIDABLE IN SAID CYLINDER AND HAIVNG A ROD SEPARATE FROM SAID PLUNGER, SAID ROD SLIDABLY EXTENDING THROUGH SAID THIRD PASSAGE AND BEING ENGAGEABLE WITH THE ADJACENT END OF SAID PLUNGER TO MOVE SAID PLUNGER UPON MOVEMENT OF SAID PISTON TOWARD SAID PLUNGER, SAID PISTON HAVING A SECOND ROD SLIDABLE IN SAID FOURTH PASSAGE, PASSAGE MEANS IN SAID PISTON AND SECOND ROD FOR VENTING THE END OF SAID CYLINDER ADJACENT SAID THIRD PASSAGE, AND MEANS FOR ADMITTING FLUID UNDER PRESSURE TO THE OPPOSITE END OF SAID CYLINDER.