Apparatus for the purification and drying of gases

Claim 1

APPARATUS FOR TREATING GAS COMPRISING A REACTION CHAMBER HAVING AN INLET AND AN OUTLET, A DRYING CHAMBER FOR CONTAINING A DESICCANT, MEANS FOR HEATING SAID DESICCANT, SAID DRYING CHAMBER HAVING TWO SPACED APART OPENINGS THEREIN, A FIRST GAS CONDUIT CONNECTED TO SAID OUTLET, A SECOND GAS CONDUIT INTERCONNECTING SAID FIRST GAS CONDUIT WITH ONE OF SAID OPENINGS, A FIRST VALVE CASING IN SAID SECOND CONDUIT, SAID VALVE CASING HAVING AN OUTLET PORT FOR ALLOWING FLOW OF GAS TO THE ATMOSPHERE, VALVE MEANS IN SAID CASING MOVABLE TO ONE POSITION TO ALLOW GAS TO FLOW FROM SAID REACTION CHAMBER TO SAID DRYING CHAMBER AND TO SIMULTANEOUSLY CUT OFF PASSAGE OF GAS THROUGH SAID OUTLET PORT, SAID VALVE MEANS BEING MOVABLE TO ANOTHER POSITION TO CUT OFF COMMUNICATION BETWEEN SAID CHAMBERS AND TO SIMULTANEOUSLY ESTABLISH COMMUNICATION BETWEEN SAID DRYING CHAMBER TO THE ATMOSPHERE THROUGH SAID OUTLET PORT, A SECOND REACTION CHAMBER HAVING AN INLET AND AN OUTLET AND SAID INLET CONNECTED TO THE OUTLET PORT OF SAID FIRST VALVE CASING, A CATALYTIC WIRE SECURED IN SAID SECOND REACTION CHAMBER BETWEEN SAID INLET AND OUTLET, ELECTRICAL CONDUCTORS LEADING TO SAID CATALYST WIRE FOR ELECTRICALLY HEATING SAID CATALYTIC WIRES, A THIRD GAS CONDUIT INTERCONNECTING SAID FIRST GAS CONDUIT WITH THE OTHER OF SAID OPENINGS, A SECOND VALVE CASING IN SAID THIRD CONDUIT, SAID SECOND VALVE CASING HAVING AN OUTLET PORT FOR CONNECTION TO A PLACE FOR USE FOR TREATED GAS, VALVE MEANS IN SAID SECOND CASING MOVABLE TO ONE POSITION TO ALLOW GAS TO FLOW FROM SAID REACTION CHAMBER TO SAID DRYING CHAMBER AND TO SIMULTANEOUSLY CUT OFF PASSAGE OF GAS THROUGH SAID OUTLET PORT IN SAID SECOND VALVE CASING, SAID VALVE MEANS IN SAID SECOND CASING BEING MOVABLE TO ANOTHER POSITION TO CUT OFF COMMUNICATION BETWEEN SAID CHAMBERS AND TO SIMULTANEOUSLY ESTABLISH COMMUNICATION BETWEEN SAID DRYING CHAMBER TO SAID PLACE OF USE THROUGH SAID OUTLET PORT IN SAID SECOND VALVE CASING.