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Koya Sakamoto, Yutaka Yoneda, Naoki Fujiwara, Shigehito Takamoto: Fluidized bed combustor. Babcock Hitachi Kabushiki Kaisha, Thomas E Beall Jr, July 6, 1982: US04338283 (64 worldwide citation)

A fluidized bed combustor wherein a combustion chamber and a regeneration chamber are both contained in a single hollow body is provided. These two chambers are formed by vertically partitioning the body by a partition wall, which has an upper opening and a lower one, and also each have a perforated ...


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Tetsurou Yamaguchi, Kohji Yamamoto, Kiichiro Honda: Flame detector for use with a burner. Babcock Hitachi Kabushiki Kaisha, Armstrong Nikaido Marmelstein & Kubovcik, November 24, 1987: US04709155 (53 worldwide citation)

In a flame detector having an optical head, a plurality of light-taking optical fibers are arranged so as to provide different directions of fields of vision at their front ends. Therefore, the watching regions of burner flame has been widened, and even if the primary combustion zone moves back and ...


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Toshio Uemura, Yoshiki Watanabe, Yoji Masumoto, Tomihisa Ishikawa, Noboru Kajimoto, Shin Kawada: Incinerator for burning waste and a method of utilizing same. Babcock Hitachi Kabushiki Kaisha, Koda and Androlia, January 5, 1982: US04308806 (45 worldwide citation)

An incinerator for burning waste including a hollow body having an opened upper end and an opened lower end, a bottom plate closing the lower end, a central opening provided in the bottom plate for introducing pressurized oxidizing gas into the hollow body, a plurality of circumferentially disposed ...


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Hiroshi Kuroda, Fumito Nakajima, Masakatsu Nishimura, Hiroyuki Kaku, Shigeru Nozawa, Shigehito Takamoto, Takanori Nakamoto, Hirofumi Kikkawa, Hiroshi Ishizaka, Atsushi Katagawa, Mitsuharu Kon, Masayuki Yamamoto, Kunikatsu Yoshida: Wet-type flue gas desulfurization plant. Babcock Hitachi Kabushiki Kaisha, Lorusso & Loud, July 15, 1997: US05648048 (44 worldwide citation)

An elongated absorber housing, including an inlet duct and an outlet duct, is integrally provided on an upper portion of a circulation tank. The absorber is a self-supporting structure supported by only the circulation tank. At least the furthest upstream spraying stage in a spraying zone in the inl ...


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Tetsuyoshi Ishida, Shigeyoshi Kawano, Ikuo Kohtaka, Kojiro Yamada, Hiroyuki Kaku, Tsuneo Narita: Hybrid Rankine cycle system. Babcock Hitachi Kabushiki Kaisha, Antonelli Terry Stout & Kraus, April 16, 1991: US05007240 (40 worldwide citation)

A hybrid Rankine cycle system comprises a boiler in which water steam is generated, a steam turbine which is worked by the water steam from the boiler to drive a generator to obtain an electric power, an absorber condenser for introducing thereinto strong absorbent solution to absorb the water steam ...


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Hironobu Kobayashi, Kiyoshi Narato, Shigeru Azuhata, Hiroshi Miyadera, Shigeki Morita, Tadashi Jimbo, Kunio Hodozuka, Akira Baba: Pulverized coal burner, pulverized coal boiler and method of burning pulverized coal. Hitachi, Babcock Hitachi Kabushiki Kaisha, Antonelli Terry Stout & Kraus, August 3, 1993: US05231937 (39 worldwide citation)

A burner for pulverized coal has a coal duct for pulverized coal and primary combustion air and a secondary combustion air duct such that the coal and primary air and secondary air mix outside the outlet nozzles of the duct in a mixing zone at which combustion occurs. Coal distribution means in the ...


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Shigeki Morita, Tadahisa Masai, Shigeto Nakashita, Toshio Uemura, Fumio Kouda, Tsuyoshi Nawata: Apparatus for coal combustion. Babcock Hitachi Kabushiki Kaisha, Beall Law Offices, October 8, 1985: US04545307 (38 worldwide citation)

A coal combustion apparatus capable of improving NO.sub.x reduction to a large extent is provided, which apparatus comprises a pulverized coal-feeding pipe (abbreviated to coal pipe) inserted into a burner throat on the lateral wall of a combustion furnace and for feeding the coal and air into the f ...


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Tsuyoshi Watanabe: Apparatus for removing NO.sub.x from a gas. Babcock Hitachi Kabushiki Kaisha, Antonelli Terry & Wands, June 14, 1988: US04751054 (30 worldwide citation)

An ammonia injection rate to an apparatus for catalytically removing nitrogen oxides from a combustion flue gas in the presence of ammonia, provided in a flue gas passage, is controlled in accordance with changes in load by a system comprising a mole ratio computing unit for computing a mole ratio s ...


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Hiroshi Kuroda, Tsukasa Nishimura, Taiki Hashimoto, Masakatsu Nishimura, Osamu Kanda, Shigeru Nozawa: Limestone-gypsum flue gas desulfurization process. Babcock Hitachi Kabushiki Kaisha, Beall Law Offices, December 11, 1984: US04487784 (28 worldwide citation)

A flue gas desulfurization process capable of producing a high purity gypsum and also making equipment employed as minimum as possible is provided, which process comprises the steps of cooling and dedusting flue gas containing SO.sub.x ; contacting the cooled gas with a slurry containing limestone t ...