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AssigneeMitsubishi Heavy Industries, Ltd.
InventorsHiroshi Shimizu, Mitsuru Kondo, Hironobu Hakoda, Yukihiro Hashimoto, Katsunori Tanaka, Sousuke Nakamura
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The present invention provides a hollow structure with at least one flange which can eliminate the possibility of creating crackings due to the thermal fatigue, thereby improving the durability thereof. A hollow structure with an flange according to the present invention includes at least one annular flange fixedly attached around the hollow structure which has a temperature gradient in the direction of the thickness of the wall thereof, wherein said at least one annular flange including an outer portion formed of a metal material having a coefficient of linear expansion greater than that of the metal material forming another portion of said at least one annular flange.
A hollow structure with a flange wherein at least one annular flange is fixedly attached around the hollow structure which has a temperature gradient in the direction of the thickness of the wall thereof comprising:
Dependencies are inferred from the claim text.