Hot air generator

Application Number: 00124251
Application Date: 2000.08.14
Publication Number: 1326078
Publication Date: 2001.12.12
Priority Information: 2000/5/25 JP 2000-154800
International: F24H3/04
Applicant(s) Name: Shizu Seiki K.K.
Inventor(s) Name: Hiroen Seisuke
Patent Agency Code: 31002
Patent Agent: fei kaikui
Abstract The present invention provided a warm-air generating apparatus which is constituted such that air heated by a heat source is emitted to the outside by a blower, characterized in that the apparatus comprises a combustion tube provided with a heat source; an outer tube set out of the combustion tube; a heat shielding tube set between the combustion tube and the outer tube for shielding the radiant heat radiated from the combustion tube to the outer tube; a hot blast inducing tube located between the combustion tube and the heat shielding tube looked in the radius direction of the outer tube. The inducing tube has a tapered part with an end face, which has a diameter smaller than that of the heat shielding tube and larger than the combustion tube, gradually tapering in the air flow direction to the downstream side to have a smaller diameter.