Patents by Inventor Eiji Kanki

Eiji Kanki 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).

  • Patent number: 10605123
    Abstract: A thermal energy recovery device includes: a circulation line having an evaporator, an expander, a condenser, and a pump; a power recovery machine; a first on-off valve; a thermal energy introduction line configured to introduce a gas phase working medium into a post-expansion space; a second on-off valve; and a control unit. Until an evaporation condition that a liquid phase working medium accumulated in the post-expansion space has reached an amount equal to or smaller than a reference amount is met, the control unit closes the first on-off valve and opens the second on-off valve, and drives the pump in a state where the expander is stopped, and when the evaporation condition is met, the control unit opens the first on-off valve and closes the second on-off valve, and drives the expander.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: March 31, 2020
    Assignee: Kobe Steel, Ltd.
    Inventors: Noboru Tsuboi, Masayoshi Matsumura, Shigeto Adachi, Eiji Kanki, Shirohiko Okamoto
  • Patent number: 10571152
    Abstract: A reverse combustion type combustion apparatus (1) includes a combustion section (2) that combusts fuel in a downward direction, heat exchangers (4, 5) disposed under the combustion section (2), and an exhaust box (6) disposed under the heat exchangers (4, 5). The exhaust box (6) is a molded product made from a synthetic resin material; the exhaust box (6) includes an opening portion (30) for introduction of combustion exhaust gases generated by an upper portion, a fixing portion (33) for fixing the heat exchanger (5), and an inclined bottom portion (35) that collects condensed water generated by the heat exchanger (5); and, at the lower end portion of the exhaust box (6), at least three legs (40) are integrally formed and make the exhaust box (6) stand up by itself.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: February 25, 2020
    Assignee: NORITZ CORPORATION
    Inventors: Hironao Matsunaga, Eiji Kanki
  • Patent number: 10060298
    Abstract: A thermal energy recovery device capable of suppressing a rapid increase of thermal stress generated in an evaporator when the operation is started and a start-up method thereof are provided. The thermal energy recovery device includes an evaporator, a preheater, an energy recovery unit, a circulating flow path, a pump, a heating medium flow path for supplying a heating medium to the evaporator and the preheater, a flow adjustment unit provided in a portion on the upstream side than the evaporator within the heating medium flow path, and a control unit. The control unit controls the flow adjustment unit so that the inflow amount of the heating medium in a gas-phase to the evaporator gradually increases, in a state that the pump is stopped, until the temperature of the evaporator becomes a specified value.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: August 28, 2018
    Assignee: Kobe Steel, Ltd.
    Inventors: Kazuo Takahashi, Shigeto Adachi, Yutaka Narukawa, Eiji Kanki, Shirohiko Okamoto
  • Publication number: 20180195759
    Abstract: A reverse combustion type combustion apparatus (1) includes a combustion section (2) that combusts fuel in a downward direction, heat exchangers (4, 5) disposed under the combustion section (2), and an exhaust box (6) disposed under the heat exchangers (4, 5). The exhaust box (6) is a molded product made from a synthetic resin material; the exhaust box (6) includes an opening portion (30) for introduction of combustion exhaust gases generated by an upper portion, a fixing portion (33) for fixing the heat exchanger (5), and an inclined bottom portion (35) that collects condensed water generated by the heat exchanger (5); and, at the lower end portion of the exhaust box (6), at least three legs (40) are integrally formed and make the exhaust box (6) stand up by itself.
    Type: Application
    Filed: January 4, 2018
    Publication date: July 12, 2018
    Applicant: NORITZ CORPORATION
    Inventors: Hironao MATSUNAGA, Eiji KANKI
  • Publication number: 20170298780
    Abstract: A thermal energy recovery device includes: a circulation line having an evaporator, an expander, a condenser, and a pump; a power recovery machine; a first on-off valve; a thermal energy introduction line configured to introduce a gas phase working medium into a post-expansion space; a second on-off valve; and a control unit. Until an evaporation condition that a liquid phase working medium accumulated in the post-expansion space has reached an amount equal to or smaller than a reference amount is met, the control unit closes the first on-off valve and opens the second on-off valve, and drives the pump in a state where the expander is stopped, and when the evaporation condition is met, the control unit opens the first on-off valve and closes the second on-off valve, and drives the expander.
    Type: Application
    Filed: March 30, 2017
    Publication date: October 19, 2017
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Noboru TSUBOI, Masayoshi Matsumura, Shigeto Adachi, Eiji KANKI, Shirohiko OKAMOTO
  • Patent number: 9631837
    Abstract: A hot water supply device 1 includes a fin-and-tube type heat exchanger (21) that applies heat to fresh water with combustion gases, and a heat exchanger casing (22) for housing the heat exchanger (21), and in order to be able reliably to determine by a simple method whether the hot water supply device is clogged by lime scale, there are provided a temperature detector (31) for detecting the surface temperature of the heat exchanger casing (22) and a control unit (7) that determines that scale has built up in the heat exchange tubing (27) of the heat exchanger (21) when the temperature detected by this temperature detector (31) is greater than a set temperature.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: April 25, 2017
    Assignee: NORITZ CORPORATION
    Inventors: Masato Doyama, Eiji Kanki, Yu Fujimoto, Shingo Tateishi
  • Publication number: 20170016353
    Abstract: A thermal energy recovery device capable of suppressing a rapid increase of thermal stress generated in an evaporator when the operation is started and a start-up method thereof are provided. The thermal energy recovery device includes an evaporator, a preheater, an energy recovery unit, a circulating flow path, a pump, a heating medium flow path for supplying a heating medium to the evaporator and the preheater, a flow adjustment unit provided in a portion on the upstream side than the evaporator within the heating medium flow path, and a control unit. The control unit controls the flow adjustment unit so that the inflow amount of the heating medium in a gas-phase to the evaporator gradually increases, in a state that the pump is stopped, until the temperature of the evaporator becomes a specified value.
    Type: Application
    Filed: June 17, 2016
    Publication date: January 19, 2017
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Kazuo TAKAHASHI, Shigeto ADACHI, Yutaka NARUKAWA, Eiji KANKI, Shirohiko OKAMOTO
  • Publication number: 20150338130
    Abstract: A hot water supply device 1 includes a fin-and-tube type heat exchanger (b 21) that applies heat to fresh water with combustion gases, and a heat exchanger casing (b 22) for housing the heat exchanger (b 21), and in order to be able reliably to determine by a simple method whether the hot water supply device is clogged by lime scale, there are provided a temperature detector (b 31) for detecting the surface temperature of the heat exchanger casing (b 22) and a control unit (b 7) that determines that scale has built up in the heat exchange tubing (b 27) of the heat exchanger (b 21) when the temperature detected by this temperature detector (b 31) is greater than a set temperature.
    Type: Application
    Filed: March 19, 2015
    Publication date: November 26, 2015
    Applicant: NORITZ CORPORATION
    Inventors: Masato DOYAMA, Eiji KANKI, Yu FUJIMOTO, Shingo TATEISHI
  • Patent number: 7967901
    Abstract: A lubricating liquid separator which can damp compressor pulsation noise effectively and improve the lubricating liquid separating performance without greatly enlarging the size of the separator itself. A demister having a sound absorbing performance is disposed on an outer periphery of a partition plate. Compressed gas which enters the interior of a housing through a compressed gas inlet port flows as rotating flow in a flow path between the partition plate and a portion of a side wall of the housing opposed to the partition plate. Pressure pulsation of the compressed gas is diminished by the demister, and a compressor pulsation noise by the rotating flow of the compressed gas is diminished by the sound absorption of the demister. Further, with the demister, reflection of the compressed gas at a wall surface of the partition plate is suppressed, and scattering of lubricating liquid separated from the compressed gas is suppressed.
    Type: Grant
    Filed: January 2, 2009
    Date of Patent: June 28, 2011
    Assignee: Kobe Steel, Ltd.
    Inventors: Toru Sakatani, Eiji Kanki, Yasumasa Kimura
  • Publication number: 20090255406
    Abstract: A lubricating liquid separator is disclosed which can damp a compressor pulsation noise effectively and improve the lubricating liquid separating performance without greatly enlarging the size of the separator itself. A demister (6) having a sound absorbing performance is disposed on an outer periphery side of a partition plate (5). Compressed gas which enters the interior of a housing (2) through a compressed gas inlet port (3) flows as rotating flow in a flow path (10) formed between the partition plate (5) and a portion of a side wall of the housing (2) opposed to the partition plate (5). Pressure pulsation of the compressed gas is diminished by the demister (6), and a compressor pulsation noise induced by the rotating flow of the compressed gas is diminished by the sound absorbing performance of the demister (6).
    Type: Application
    Filed: January 2, 2009
    Publication date: October 15, 2009
    Inventors: Toru Sakatani, Eiji Kanki, Yasumasa Kimura
  • Patent number: D679790
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: April 9, 2013
    Assignee: Noritz Corporation
    Inventors: Jun Doi, Hiroaki Tanaka, Tetsunori Kuriyama, Takahide Hasegawa, Kengo Horiuchi, Eiji Kanki