Manifold valve

Claim 1

A MANIFOLD VALVE COMPRISING A VALVE BODY HAVING AN INLET CHAMBER WITH AN INLET PASSAGEWAY AND AN OUTLET CHAMBER WITH AN OUTLET PASSAGEWAY AND A PARTITION WALL THEREBETWEEN, SAID CHAMBERS HAVING OPENINGS AT THEIR TOP AND BOTTOM SURFACES; AN APERTURED COVER FOR SAID INLET CHAMBER; A SAFETY VALVE IN THE INLET CHAMBER; A PRESSURE REGULATOR VALVE HOUSING SECURED TO THE BOTTOM OF SAID VALVE BODY AND COVERING THE OPENINGS IN THE BOTTOM SURFACE OF THE BODY, SAID HOUSING HAVING AN INLET CHAMBER PROJECTING INTO THE INLET CHAMBER OF SAID VALVE BODY WITH AN INLET FORMED THEREIN TO PROVIDE A VALVE SEAT FOR SAID SAFETY VALVE TO ENGAGE AND WITH AN OPENING IN THE TOP THEREOF AND AN OPENING IN THE BOTTOM THEREOF; A VALVE SEAT PARTITION PLATE COVERING SAID LAST-MENTIONED OPENING AND HAVING AN ANNULAR VALVE SEAT PORTION PROJECTING INTO THE INLET CHAMBER OF SAID HOUSING IN SERIES FLOW COMMUNICATION WITH THE FIRST MENTIONED VALVE SEAT; A DIAPHRAGM POSITIONED BELOW AND CLAMPED AT ITS PERIPHERY TO THE PERIPHERY OF SAID PLATE SO AS TO FORM A PRESSURE CHAMBER THEREBETWEEN; A PRESSURE REGULATOR VALVE POSITIONED IN THE INLET CHAMBER OF SAID HOUSING AND HAVING A STEM EXTENDING THROUGH SAID PLATE AND CONNECTED TO SAID DIAPHRAGM SO AS TO COOPERATE WITH THE VALVE SEAT OF SAID PLATE TO PROVIDE PRESSURE REGULATION; MEANS BIASING SAID PRESSURE REGULATOR VALVE TO ITS OPEN POSITION; A MANUALLY OPERABLE RESET PLUNGER MOUNTED IN THE APERTURE OF SAID COVER AND EXTENDING THROUGH SAID OPENING IN THE TOP OF SAID HOUSING; SAID PLUNGER BEING MOVABLE INWARDLY TO ENGAGE AND CLOSE SAID PRESSURE REGULATOR VALVE; MEANS ON SAID RESET PLUNGER SO ARRANGED AS TO ENGAGE AND OPEN SAID SAFETY VALVE AFTER SAID PRESSURE REGULATOR VALVE IS CLOSED AND UPON CONTINUED MOVEMENT OF SAID RESET PLUNGER; A PASSAGEWAY LEADING FROM SAID PRESSURE CHAMBER THROUGH SAID PLATE AND THROUGH SAID HOUSING TO SAID OUTLET CHAMBER; AND A CONTROL VALVE UNIT POSITIONED IN SAID OUTLET CHAMBER AND CLOSING THE OPENING THEREOF IN THE TOP SURFACE OF THE OUTLET CHAMBER OF SAID VALVE BODY AND HAVING A VALVE POSITIONED TO CONTROL FLOW THROUGH SAID OUTLET PASSAGEWAY.