Control apparatus for dental gas burner

Details Control apparatus for dental gas burner Control apparatus for dental gas burner

F - Mech Eng,Light,Heat,Weapons

23

N

342/38

F23N 5/00 (2006.01) F23N 5/20 (2006.01)

Patent

CA 1215449

CONTROL APPARATUS FOR DENTAL GAS BURNER ABSTRACT OF THE DISCLOSURE A control apparatus for a dental gas burner is disclosed which is capable of variably setting combustion time of the burner as desired. The control apparatus comprises a circuit for operating a solenoid valve provided at a fuel gas supply pipe, a circuit for igniting fuel gas ejected from a burner nozzle, a command circuit including a touch sensor and generating a pulse every touch with respect to the touch sensor, a combustion time setting circuit acting to count pulses of the command circuit to set combustion time corresponding to the number of counted pulses to open the valve during the time, and a timing circuit for supplying to the combustion time setting circuit a count signal required for counting the pulses. - 21 -

443938

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