Patents by Inventor Hiroyuki YAGITA

Hiroyuki YAGITA 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: 10844753
    Abstract: A boiler including one or more evaporators, an economizer, and a low-temperature heat exchanger. The economizer is located on a downstream side of the most downstream evaporator which is an evaporator at the most downstream side among the one or more evaporators. The low-temperature heat exchanger is located on the downstream side of the economizer, has an inlet for receiving water from the outside, and is configured to heat the water introduced from the inlet and sent to the economizer with the combustion gas.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: November 24, 2020
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Hideyuki Uechi, Hiroyuki Yagita, Kuniaki Aoyama, Hideaki Sugishita, Yukimasa Nakamoto, Yuichi Oka, Naoki Hisada, Tarou Ichihara
  • Patent number: 10514183
    Abstract: An exhaust gas latent-heat recovery device includes: a heat transfer tube disposed inside a duct through which exhaust gas flows, the heat transfer tube having a water supply inlet into which water to be heated for recovering latent heat of the exhaust gas is supplied and a water supply outlet through which the water to be heated is discharged; and a water supply control part configured to control supply of the water to be heated to the water supply inlet. The water supply control part is configured to control supply of the water to be heated from the water supply inlet so that an outlet temperature being a temperature of the water to be heated at the water supply outlet is at a set temperature.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: December 24, 2019
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Naoki Koumoto, Tomohiro Harada, Hiroyuki Yagita, Akitoshi Sugiyama, Tarou Ichihara, Kimio Konno, Yukimitsu Sasaki
  • Patent number: 10471651
    Abstract: A repair system includes a 3D-object repair apparatus and a repair-data providing apparatus. The repair-data providing apparatus includes: a damaged-part determining part to determine a location of the damaged part of the object to be repaired by comparing 3D-object data of the object to be repaired obtained by the scanner and 3D-object data of an original of the object to be repaired; a mode selecting part to select a repair mode from among a first repair mode of repairing only the damaged part of the object to be repaired and a second repair mode of repairing a range broader than the damaged part of the object to be repaired, the range including the damaged part, in accordance with a condition of a damaged surface of the object to be repaired; and a repair-data generating part to generate the 3D-object repair data corresponding to the selected repair mode.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: November 12, 2019
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Hiroyuki Yagita, Yui Okada, Hiroaki Ishikawa, Jun Hyodo, Hiroyuki Esashi
  • Patent number: 10315930
    Abstract: A method of remotely monitoring a group of circulating-water utilization systems comprising a plurality of circulating-water utilization systems 1, includes: an operational-ratio detection step of detecting operational ratios of treatment vessels forming a treatment-vessel row of a purifying unit 8, for each of the plurality of circulating-water utilization systems constituting the group of circulating-water utilization systems; a data transmission step of transmitting data related to the operational ratios of the treatment vessels detected in the operational-ratio detection step via a transmission line 60; a data reception step of receiving the data related to the operational ratios of the treatment vessels transmitted in the data transmission step; and a data display step of displaying the data related to the operational ratios of the treatment vessels received in the data reception step.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: June 11, 2019
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Hiroyuki Yagita, Junichi Minamiura, Jun Hyodo, Yukinobu Yokota, Hayato Shin, Riki Kitagawa
  • Patent number: 10138758
    Abstract: The quatro generation system of the present invention includes: a power generation engine driven by fuel gas; an exhaust-heat boiler configured to utilize energy of exhaust gas discharged from the power generation engine to produce steam from boiler water; a boiler-water circulation device configured to supply the steam produced by the exhaust-heat boiler to a steam-energy recovery unit, and to return condensed water of the steam to the exhaust-heat boiler after the steam-energy recovery unit recovers energy of the steam; a condensation economizer configured to utilize condensation latent heat of exhaust gas discharged from the exhaust-heat boiler to heat a heat medium; and a heat-medium circulation device configured to supply the heat medium heated by the condensation economizer to a thermal-energy recovery unit, and to return the heat medium to the condensation economizer after the thermal-energy recovery unit recovers energy of the heat medium.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: November 27, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hiroyuki Yagita, Kouji Abe, Takao Koide, Toshihide Noguchi, Tomoaki Nakai, Hiroaki Ishikawa, Hiroyuki Esashi, Jun Hyodo
  • Patent number: 10065375
    Abstract: An additive manufacturing system includes an additive manufacturing apparatus and a modeling-data providing apparatus. The modeling-data providing apparatus includes: a dividing unit configured to divide modeling data into n packets of transmission data; and a data transmitting unit configured to transmit the n packets of the transmission data to the additive manufacturing apparatus in series. The data transmitting unit is configured to confirm receipt, by a deletion-signal receiving unit, of a deletion signal indicating deletion of an ith packet of the n packets of the transmission data, and subsequently transmit an i+1th packet of the n packets of the transmission data to the additive manufacturing apparatus.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: September 4, 2018
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Hiroyuki Yagita, Yui Okada, Hiroaki Ishikawa, Jun Hyodo, Hiroyuki Esashi
  • Publication number: 20180149388
    Abstract: An exhaust gas latent-heat recovery device includes: a heat transfer tube disposed inside a duct through which exhaust gas flows, the heat transfer tube having a water supply inlet into which water to be heated for recovering latent heat of the exhaust gas is supplied and a water supply outlet through which the water to be heated is discharged; and a water supply control part configured to control supply of the water to be heated to the water supply inlet. The water supply control part is configured to control supply of the water to be heated from the water supply inlet so that an outlet temperature being a temperature of the water to be heated at the water supply outlet is at a set temperature.
    Type: Application
    Filed: July 15, 2016
    Publication date: May 31, 2018
    Inventors: Naoki KOUMOTO, Tomohiro HARADA, Hiroyuki YAGITA, Akitoshi SUGIYAMA, Tarou ICHIHARA, Kimio KONNO, Yukimitsu SASAKI
  • Publication number: 20180058267
    Abstract: A boiler including one or more evaporators, an economizer, and a low-temperature heat exchanger. The economizer is located on a downstream side of the most downstream evaporator which is an evaporator at the most downstream side among the one or more evaporators. The low-temperature heat exchanger is located on the downstream side of the economizer, has an inlet for receiving water from the outside, and is configured to heat the water introduced from the inlet and sent to the economizer with the combustion gas.
    Type: Application
    Filed: March 22, 2016
    Publication date: March 1, 2018
    Inventors: Hideyuki UECHI, Hiroyuki YAGITA, Kuniaki AOYAMA, Hideaki SUGISHITA, Yukimasa NAKAMOTO, Yuichi OKA, Naoki HISADA, Tarou ICHIHARA
  • Patent number: 9783963
    Abstract: A safety device of a recirculating-water utilization system to be constructed in a specific area includes: at least one of a circulating-water monitoring unit configured to monitor a water quality of circulating water purified by a purifying unit, or a treatment-vessel monitoring unit configured to detect abnormality of treatment vessels constituting the purifying unit.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: October 10, 2017
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Hiroyuki Yagita, Junichi Minamiura, Jun Hyodo, Yukinobu Yokota, Hayato Shin, Riki Kitagawa
  • Publication number: 20170176978
    Abstract: A repair system includes a 3D-object repair apparatus and a repair-data providing apparatus. The repair-data providing apparatus includes: a damaged-part determining part to determine a location of the damaged part of the object to be repaired by comparing 3D-object data of the object to be repaired obtained by the scanner and 3D-object data of an original of the object to be repaired; a mode selecting part to select a repair mode from among a first repair mode of repairing only the damaged part of the object to be repaired and a second repair mode of repairing a range broader than the damaged part of the object to be repaired, the range including the damaged part, in accordance with a condition of a damaged surface of the object to be repaired; and a repair-data generating part to generate the 3D-object repair data corresponding to the selected repair mode.
    Type: Application
    Filed: June 3, 2015
    Publication date: June 22, 2017
    Inventors: Hiroyuki YAGITA, Yui OKADA, Hiroaki ISHIKAWA, Jun HYODO, Hiroyuki ESASHI
  • Publication number: 20170144380
    Abstract: An additive manufacturing system includes an additive manufacturing apparatus and a modeling-data providing apparatus. The modeling-data providing apparatus includes: a dividing unit configured to divide modeling data into n packets of transmission data; and a data transmitting unit configured to transmit the n packets of the transmission data to the additive manufacturing apparatus in series. The data transmitting unit is configured to confirm receipt, by a deletion-signal receiving unit, of a deletion signal indicating deletion of an ith packet of the n packets of the transmission data, and subsequently transmit an i+1th packet of the n packets of the transmission data to the additive manufacturing apparatus.
    Type: Application
    Filed: June 3, 2015
    Publication date: May 25, 2017
    Inventors: Hiroyuki YAGITA, Yui OKADA, Hiroaki ISHIKAWA, Jun HYODO, Hiroyuki ESASHI
  • Patent number: 9611161
    Abstract: A circulating-water utilization system (1) to be constructed in a specific area includes; a circulation channel (2) having a closed loop shape through which circulating water flows; a discharge channel (4) through which wastewater discharged from a water consumer (3) is discharged to the circulation channel (2), the water consumer (3) being composed of water consuming members; a purifying unit (8) configured to purify the circulating water containing the wastewater flowing through the circulation channel (2); a supply channel (6) configured to supply the circulating water purified by the purifying unit (8) to the water consumer (3); water intake parts (10) for intake of the circulating water from the supply channel (6), disposed on the respective water consuming members; and sterilizing units (11) disposed on the respective water intake parts (10), and configured to individually sterilize the circulating water to be supplied to the respective water consuming members.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: April 4, 2017
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Hiroyuki Yagita, Junichi Minamiura, Jun Hyodo, Yukinobu Yokota, Hayato Shin, Riki Kitagawa
  • Publication number: 20160368802
    Abstract: A circulating-water utilization system (1) to be constructed in a specific area includes; a circulation channel (2) having a closed loop shape through which circulating water flow's; a discharge channel (4) through which wastewater discharged from a water consumer (3) is discharged to the circulation channel (2), the water consumer (3) being composed of water consuming members; a purifying unit (8) configured to purify the circulating water containing the wastewater flowing through the circulation channel (2); a supply channel (6) configured to supply the circulating water purified by the purifying unit (8) to the water consumer (3); water intake parts (10) for intake of the circulating water from the supply channel (6), disposed on the respective water consuming members; and sterilizing units (11) disposed on the respective water intake parts (10), and configured to individually sterilize the circulating water to be supplied to the respective water consuming members.
    Type: Application
    Filed: December 4, 2014
    Publication date: December 22, 2016
    Applicant: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Hiroyuki Yagita, Junichi Minamiura, Jun Hyodo, Yukinobu Yokota, Hayato Shin, Riki Kitagawa
  • Publication number: 20160292795
    Abstract: A charging device 10 of a circulating-water utilization system 1 to be constructed in a specific area includes: a wastewater amount measuring unit 18a configured to individually measure an amount of wastewater discharged from each of water consuming members; a water-quality measuring unit 18b configured to individually measure a water-quality index related to a water quality of the wastewater discharged from each of the water consuming members; and a circulating-water fee calculating part 10A configured to calculate a circulating-water fee of each of the water consuming members on the basis of the amount and the water quality of the wastewater discharged from each of the water consuming members.
    Type: Application
    Filed: December 4, 2014
    Publication date: October 6, 2016
    Applicant: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Hiroyuki Yagita, Junichi Minamiura, Jun Hyodo, Yukinobu Yokota, Hayato Shin, Riki Kitagawa
  • Publication number: 20160289087
    Abstract: A method of remotely monitoring a group of circulating-water utilization systems comprising a plurality of circulating-water utilization systems 1, includes: an operational-ratio detection step of detecting operational ratios of treatment vessels forming a treatment-vessel row of a purifying unit 8, for each of the plurality of circulating-water utilization systems constituting the group of circulating-water utilization systems; a data transmission step of transmitting data related to the operational ratios of the treatment vessels detected in the operational-ratio detection step via a transmission line 60; a data reception step of receiving the data related to the operational ratios of the treatment vessels transmitted in the data transmission step; and a data display step of displaying the data related to the operational ratios of the treatment vessels received in the data reception step.
    Type: Application
    Filed: December 4, 2014
    Publication date: October 6, 2016
    Applicant: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Hiroyuki Yagita, Junichi Minamiura, Jun Hyodo, Yukinobu Yokota, Hayato Shin, Riki Kitagawa
  • Publication number: 20160281338
    Abstract: A safety device 10 of a recirculating-water utilization system 1 to be constructed in a specific area includes: at least one of a circulating-water monitoring unit 32 configured to monitor a water quality of circulating water purified by a purifying unit 8, or a treatment-vessel monitoring unit 36 configured to detect abnormality of treatment vessels constituting the purifying unit 8.
    Type: Application
    Filed: December 4, 2014
    Publication date: September 29, 2016
    Applicant: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Hiroyuki Yagita, Junichi Minamiura, Jun Hyodo, Yukinobu Yokota, Hayato Shin, Riki Kitagawa
  • Publication number: 20160215656
    Abstract: The quatro generation system of the present invention includes: a power generation engine driven by fuel gas; an exhaust-heat boiler configured to utilize energy of exhaust gas discharged from the power generation engine to produce steam from boiler water; a boiler-water circulation device configured to supply the steam produced by the exhaust-heat boiler to a steam-energy recovery unit, and to return condensed water of the steam to the exhaust-heat boiler after the steam-energy recovery unit recovers energy of the steam; a condensation economizer configured to utilize condensation latent heat of exhaust gas discharged from the exhaust-heat boiler to heat a heat medium; and a heat-medium circulation device configured to supply the heat medium heated by the condensation economizer to a thermal-energy recovery unit, and to return the heat medium to the condensation economizer after the thermal-energy recovery unit recovers energy of the heat medium.
    Type: Application
    Filed: September 4, 2014
    Publication date: July 28, 2016
    Inventors: Hiroyuki YAGITA, Kouji ABE, Takao KOIDE, Toshihide NOGUCHI, Tomoaki NAKAI, Hiroaki ISHIKAWA, Hiroyuki ESASHI, Jun HYODO