Taiyo Nippon Sanso Corporation

Takeshi Saito

Yasuyuki Yamamoto

Yoshiyuki Hagihara

Naoki Seino

One object of the present invention is to provide a burner which can uniformly heat a wide area without decreasing the heat radiation even when the swing width of the flame self-oscillating is large, and the present invention provides a burner in which a main combustion fluid and a second combustion fluid are combusted by ejecting the main combustion fluid while self-oscillating from a central expanding ejection port () which expands towards a tip end and ejecting the second combustion fluid from a pair of side ejection ports (and) provided on both sides of the central expanding ejection port (), wherein a pair of the side ejection ports (and) are disposed symmetrically with respect to a central axis of the central expanding ejection port (), and the central expanding ejection port () and the side ejection ports (and) are provided such that an expanding angle &#x3b1; of the central expanding ejection port () and an angle &#x3b2; formed by the central axes of a pair of the side ejection ports (and) satisfy a relationship of &#x2212;5&#xb0;&#x2264;&#x3b2;&#x2264;&#x3b1;+15&#xb0;.

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Kai, Japan

Takeshi Saito