Combustion – Electrical or mechanical igniter correlated with burner feed – Having electric current producer
Patent
1980-07-28
1982-09-07
Scott, Samuel
Combustion
Electrical or mechanical igniter correlated with burner feed
Having electric current producer
431345, F23Q 712
Patent
active
043481728
ABSTRACT:
A portable gas hand torch igniter and burner assembly of the piezoelectric-type to be assembled onto a portable pressurized gas fuel cylinder which includes a handgrip housing body having an internal cavity gas conduit network, and an elongated burn tube having a venturi portion at its inlet end and an end-tapered orifice cylinder removably mounted in the venturi portion. A gas pressure regulator valve mechanism maintains a substantially constant predetermined gas supply pressure level at the inlet portion of said gas conduit network and a control valve associated with a push button normally closes the conduit network against passage of gas to the burn tube. A piezoelectric igniter in said housing body is actuated by inward depression of the push button to open the control valve to admit gas to the burn tube and generate a spark-producing voltage a predetermined short interval after opening of the control valve to produce a spark within the burn tube.
REFERENCES:
patent: 3220459 (1965-11-01), Wilson
patent: 3280881 (1966-10-01), Hach, Jr. et al.
patent: 3388962 (1968-06-01), Baumann et al.
patent: 3436164 (1969-04-01), Deucher
patent: 3574506 (1971-04-01), Locke
patent: 3667895 (1972-06-01), Ross
Barrett Lee E.
Scott Samuel
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