F - Mech Eng,Light,Heat,Weapons – 24 – H
Patent
F - Mech Eng,Light,Heat,Weapons
24
H
158/124, 158/131
F24H 3/04 (2006.01)
Patent
CA 1101328
Serial No. 301,987 HIGH PRESSURE HEATER ABSTRACT OF THE DISCLOSURE A portable space heater features a heat shield mounted in concentric spaced relation to, about and to project beyond the outlet from its combustion chamber. In the preferred embodiment illustrated the combustion chamber has a relatively projected nose cone which defines therewith said outlet and forms an afterburner section. The heat shield defined a lim- ited passage for a contained high velocity flow of air, under pressure, and beyond said outlet and the nose cone as well. The arrangement is such to create a pressure differential between the area of containment at the periphery of the flow and that in the vicinity of the nose cone. This produces a vortex type movement of air about the nose cone which has a toroidal pattern, the result of which is to substantially reduce its operating temperature, eliminate a potentially dangerous hot spot and to produce a more balanced distribution of heat. The heat shield as illustrated in the preferred embodiment has its end adjacent the afterburner section beyond but relatively adjacent its projected extremity. In con- junction with the foregoing the invention embodiment may include a highly advantageous fuel delivery system including a filter embodying scrubbing means which inhibits the delivery to the combustion chamber of objectionable dirt and solids in the fuel provided for combustion. A special coupling provided for the drive shafts of the includes fuel pump and air delivery means facilitate the assembly and economical use of the heater unit.
301987
Briggs Eugene C.
Gustafson William E.
Koehring Company
Moffat & Co.
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