F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
158/5
F23D 14/00 (2006.01) F23J 11/08 (2006.01) F24C 3/14 (2006.01)
Patent
CA 1239084
ABSTRACT Portable, gas-fired heaters are known to consist of an outer casing, a gas burner, a gas supply pipe, a gas-flow valve, and they have the convective draft of combustion air enter the heater along the lower sides or through a perforated bottom. In this invention greater compactness, portability, reliability and safety are achieved by a combination of a central- ly-located flue and a rounded, closed bottom to the heater. The flue is so disposed as to create a reverse-draft inlet at the top of the heater, thus cooling the outer walls of the heater casing. A rounded lid permits emergency extinguishing of the flame, and dust free storage for the burner. A retractable wire grill and a heat diffuser serve to keep the temperature of the heater's external top surface below a desirable maximum value during heater operation. -1-
509717
Power Bernard A.
Power Mark B.
Power Bernard A.
Power Mark B.
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