Arc-assisted oxy/hydrogen welding
OwnerYull Browninventor
Life of this patent
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Abstract
This invention relates to welding, brazing or the like utilizing a mixture of hydrogen and oxygen generated in substantially stoichiometric proportions in an electrolytic cell by electrical dissociation of water, the mixture so generated being passed from the generator through a flashback arrestor and thence to a burner where the gases are ignited. The invention also relates to atomic welding in which the above mentioned mixture is passed through an arc causing dissociation of both the hydrogen and oxygen into atomic hydrogen and oxygen which on recombination generate an intensely hot flame.
Claims17
A method of oxy/hydrogen welding, brazing or the like, characterized by electrolytically generating a mixture of hydrogen and oxygen in substantially stoichiometric proportions by passing an electric current between electrodes immersed in an aqueous electrolyte contained in at least one electrolytic chamber, passing the mixture of hydrogen and oxygen from said at least one chamber through an aqueous electrolyte contained in a pressure sensitive regulating device having at least one pair of electrodes connected electrically in series with said electrodes in said at least one electrolytic chamber, which electrolyte in said regulating device is displaceable as a result of pressure of said mixture of hydrogen and oxygen to proportionately increase the electrolyte resistance between said pair of electrodes and consequently reduce the electric current passing between said pair of electrodes in said regulating device and said electrodes in said at least one electrolytic chamber in accordance with an increase in pressure therein, passing said gaseous mixture through falshback arresting means and thence through a burner nozzle, producing an arc between electrodes arranged downstream of said burner nozzle and in the path of said gases so as to produce dissociation of said gases into atomic hydrogen and atomic oxygen, and burning said hydrogen and oxygen to produce a flame, the temperature of the flame exceeding the normal temperature of combustion of molecular hydrogen and oxygen.
Apparatus for the generation of hydrogen and oxygen and utilization of same for welding, brazing or the like, said apparatus comprising at least one electrolytic chamber having electrodes immersed in an aqueous electrolyte contained in said chamber, a pressure sensitive regulating device containing an aqueous electrolyte, at least one pair of electrodes immersed in the aqueous electrolyte contained in said regulating device and connected in series with said electrodes contained in said at least one electrolytic chamber, a passageway connecting said pressure sensitive regulating device with said at least one electrolytic chamber, said aqueous electrolyte in said pressure sensitive regulating device being displaceable relative to said pair of electrodes immersed therein so as to proportionately increase the electrolyte resistance between said pair of electrodes and consequently reduce the electric current passing in series between said pair of electrodes and said electrodes in said at least one electrolytic chamber in accordance with an increase in pressure of said gases, an outlet to said regulating device, means passing said gaseous mixture from said outlet through a flash back arresting means to a burner nozzle, and a pair of electrodes arranged downstream of said burner nozzle in the path of said gases therefrom, said electrodes being connectable to a source of electrical arc energy for causing dissociation of said gaseous mixture into atomic hydrogen and atomic oxygen.
Dependencies are inferred from the claim text.