Kyousuke Ookubo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A boiler according to the present invention includes: a plurality of heat transfer tubes arranged to form a cylindrical shape between an upper header and a lower header to constitute a heat transfer tube row; a boiler body cover of a cylindrical shape provided between the upper header and the lower header so as to surround the heat transfer tube row; and a heat insulating material provided to a predetermined region of a space between the heat transfer tube row and the boiler body cover.
Abstract: Provided is a boiler including: a plurality of heat transfer tubes arranged to form a cylindrical shape between an upper header and a lower header to constitute a heat transfer tube row; and a plurality of longitudinal fins provided to close gaps between the heat transfer tubes without connecting the adjacent heat transfer tubes, the plurality of longitudinal fins being provided to a portion other than one of one end in a vertical direction of the heat transfer tube row and a part in a peripheral direction thereof.
Abstract: A boiler according to the present invention includes: a plurality of heat transfer tubes arranged to form a cylindrical shape between an upper header and a lower header to constitute a heat transfer tube row; a boiler body cover of a cylindrical shape provided between the upper header and the lower header so as to surround the heat transfer tube row; and a heat insulating material provided to a predetermined region of a space between the heat transfer tube row and the boiler body cover.
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