F - Mech Eng,Light,Heat,Weapons – 23 – Q
Patent
F - Mech Eng,Light,Heat,Weapons
23
Q
158/19
F23Q 3/00 (2006.01) F23D 14/38 (2006.01)
Patent
CA 1147251
--ABSTRACT OF THE DISCLOSURE 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.--
377391
Macrae & Co.
Miller Harry C.
LandOfFree
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