| 摘要 |
PROBLEM TO BE SOLVED: To provide a heating oil stobe with a heating chamber structure for performing continuous combustion in an always stable flaming condition while producing entirely no condition of incomplete combustion without the need for giving "shaking" to the outer shell of a burning tube during igniting the heating oil stove and changing its burning strength. SOLUTION: The burning tube for the heating oil stove consists of the outer shell, an inner cylinder and an outer cylinder. A heating chamber is formed by the inner cylinder and the outer cylinder, a ventilation opening is formed by the outer cylinder and the outer shell, and a number of vent holes are made in the inner cylinder and the outer cylinder. Out of the number of vent holes made in the outer cylinder, the vent holes in several lines from the bottom have inner diameters smaller than those of the other vent holes in upper lines. Besides, a restriction portion is provided in the outer shell at the portion approximately corresponding to the vent holes having smaller inner diameters. COPYRIGHT: (C)2007,JPO&INPIT
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