Interconnections for refill vessels and reservoirs to be filled with liquefied gas

Claim 1

MECHANISM FOR FILLING A RESERVOIR WITH PRESSURIZED LIQUEFIED GAS FROM A DISPENSING VESSEL, SAID MECHANISM COMPRISING A SOCKET-LIKE VALVE BODY MEMBER INCLUDING MEANS FOR ATTACHING SAME TO A WALL OF SUCH RESERVOIR TO PROJECT INTO THE RESERVOIR, AND A VALVE-SOCKET REGISTERING CONNECTING PIECE INCLUDING MEANS FOR ATTACHING SAME TO THE DISPENSING VESSEL, SAID VALVE BODY BEING PROVIDED WITH A SINGLE VALVE ORIFICE FOR SIMULTANEOUSLY CONDUCTING SAID LIQUIFIED GAS FROM SAID DISPENSING VESSEL INTO SAID RESERVOIR TO THE ATMOSPHERE DURING A RESERVOIR-FILLING OPERATION, THE OPENING AND CLOSING OF SAID SINGLE ORIFICE BEING CONTROLLED BY SINGLE NORMALLY CLOSE VALVE CLOSURE MEMBER NORMALLY BEARING AGAINST A SINGLE VALVE SEAT LOCATED BENEATH SAID VALVE ORIFICE, SAID VALVE CLOSURE MEMBER BEING DISPLACEABLE AWAY FROM SAID VALVE SEAT IN RESPONSE TO PRESSURE CONTACT ENGAGEMENT DURING SAID RESERVOIR-FILLING OPERATION OF THE FREE END OF SAID CONNECTING PIECE, AND SAID CONNECTING PIECE HAVING AN INTERNALLY LOCATED, LONGITUDINALLY EXTENDING LIQUIFIED GAS PASSAGE OPEN AT SAID CONNECTING PIECE FREE END FOR INTRODUCING SAID LIQUIFIED GAS CHANNEL MEANS BETWEEN THE OPEN END OF SAID LONGITUDINALLY EXTENDING LIQUIFIED GAS PASSAGE AND THE OUTER PERIPHERY OF SAID CONNECTING PIECE AT SAID FREE END THEREOF, SAID CHANNEL ASSOCIATING WITH SAID VALVE CLOSURE MEMBER DURING SAID RESERVOIR-FILLING OPERATION TO DIRECT SAID LIQUIFIED GAS FROM SAID DISPENSING VESSEL IN LATERIAL DIRECTION WITH RESPECT TO SAID CONNECTING PIECE AND SAID VALVE CLOSURE MEMBER, THE OUTER LATERAL SURFACES OF SAID CONNECTING PIECE AND THE CORRESPONDING INNER LATERIAL SURFACES OF SAID SOCKETLIKE VALVE BODY MEMBER PROJECTING INTO SAID RESERVOIR BEING FORMED TO DEFINE THEREBETWEEN, WHEN SAID VALVE CLOSURE MEMBER IS DISPLACED FROM SAID VALVE SEAT BY SAID CONNECTING PIECE DURING A RESERVOIR FILLING OPERATION, AN EXHAUST GAS PASSAGE EXTENDING FROM THE LOCATION OF SAID VALVE SEAT TO THE END OF SAID VALVE BODY OPPOSITE THAT WHICH NORMALLY PROJECTS INTO SAID RESERVOIR.