Use of liquid helium in hydraulic computers

Claim 1

A FLUID VALVE COMPRISING THE COMBINATION OF A FRIST PASSAGE FOR CARRYING A MAIN FLUID FLOW OF LIQUID HELIUM II, A PLURALITY OF BRANCH PASSAGES LEADING FROM SAID FIRST PASSAGE AT A COMMON JUNCTURE AND POSITIONED TO RECEIVE SAID MAIN FLUID FLOW INDIVIDUALLY, A PLURALITY OF CONTROL FLUID CHANNELS POSITIONED TO CARRY A CONTROL FLUID FLOW OF LIQUID HELIUM II NORMAL TO SAID MAIN FLOW WHICH REACTS ON SAID MAIN FLOW TO CAUSE IT TO FLOW INTO ONE OF SAID BRANCH PASSAGES, HEATER MEANS DISPOSED WITHIN SAID FIRST PASSAGE FOR HEATING SAID HELIUM II FOR EFFECTING FLOW THEREOF THROUGH SAID VALVE, MEANS TO CONTROL SAID CONTROL FLUID FLOW, SAND LAST-NAMED MEANS INCLUDING AN ELECTRICAL HEATER ASSOCIATED WITH EACH OF SAID CONTROL CHANNELS FOR HEATING THE HELIUM II ASSOCIATED WITH EACH OF SAID CHANNELS FOR EFFECTING SAID CONTROL FLUID FLOW THROUGH EACH OF SAID CHANNELS, AND MEANS FOR SELECTIVELY ENERGIZING EACH OF SAID ELECTRICAL HEATERS WHEREBY FLOW THROUGH EACH OF SAID CONTROL FLUID CHANNELS CAN BE SELECTIVELY CONTROLLED TO SELECTIVELY CAUSE SAID MAIN FLUID FLOW TO DEFLECT INTO A DESIRED BRANCH PASSAGE.