Patents by Inventor Motohiko Nohmi
Motohiko Nohmi 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).
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Patent number: 11975225Abstract: The present invention relates a drone system for transporting liquid or gas from a remote area to a demand area. The drone system (100) includes: a transport pipe (10) for flowing the liquid or the gas; a pump device (201) for suppling the liquid or the gas to the transport pipe (10); a top drone (1) for holding a nozzle (11) coupled to a tip end of the transport pipe (10); a plurality of pump drones (6A, 6B), each of which incorporates a pump (40A, 40B); and a power supply unit (3) for suppling a power to the top drone (1) and the pump drones (6A, 6B) through power cables (5). Each of the pump drones (6A, 6B) has a coupling mechanism (35) for tiltably and rotatably coupling the pump (40A, 40B) to a pump drone body (30).Type: GrantFiled: August 23, 2019Date of Patent: May 7, 2024Assignee: Ebara CorporationInventor: Motohiko Nohmi
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Patent number: 11541977Abstract: The present invention relates to an underwater drone which is an unmanned mobile which can move in the water, and more particularly to a communication system for the underwater drone which performs communication between the underwater drone and a land-based controller (or maneuvering device). The present invention also relates to an airlock apparatus for the drone which transfers the drone into or from facilities or containers, or equipment sealed (or closed) against surrounding environment. The communication system for an underwater drone includes an underwater drone (1) configured to move in the water, at least one transmitting and receiving antenna (2) provided in an area where the transmitting and receiving antenna (2) can communicate with the underwater drone (1) by wireless communication, and a controller or a maneuvering device (5) connected to the at least one transmitting and receiving antenna (2) by a wired cable (4) and configured to control the underwater drone (1).Type: GrantFiled: November 20, 2017Date of Patent: January 3, 2023Assignee: Ebara CorporationInventors: Motohiko Nohmi, Yumiko Sekino
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Patent number: 11391940Abstract: Provided are various devices, systems and methods for observing pumps and the like. Provided is an industrial endoscope including an imaging device, a flexible holding member configured to hold the imaging device, and one or a plurality of nozzles fixed to the holding member and which injects a fluid.Type: GrantFiled: January 22, 2018Date of Patent: July 19, 2022Assignee: EBARA CORPORATIONInventors: Motohiko Nohmi, Yumiko Sekino
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Patent number: 11378084Abstract: A turbo pump acts on a liquid, and an apparatus and a method suppresses or alleviates a cavitation surge which is a unique phenomenon occurring in a turbo pump for a liquid. A method of operating a turbo pump while suppressing cavitation, includes: measuring a flow rate upstream of the turbo pump and a flow rate downstream of the turbo pump for delivering a liquid and comparing the flow rates with each other; if the upstream flow rate is lower than the downstream flow rate, reducing a pressure in a pump suction section to increase an upstream flow velocity while reducing a pressure in a pump discharge section to lower a downstream flow velocity; and if the downstream flow rate is lower than the upstream flow rate, increasing the pressure in the pump discharge section to increase the downstream flow velocity while increasing the pressure in the pump suction section.Type: GrantFiled: November 21, 2019Date of Patent: July 5, 2022Assignee: EBARA CORPORATIONInventor: Motohiko Nohmi
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Publication number: 20220023685Abstract: The present invention relates a drone system for transporting liquid or gas from a remote area to a demand area. The drone system (100) includes: a transport pipe (10) for flowing the liquid or the gas; a pump device (201) for suppling the liquid or the gas to the transport pipe (10); a top drone (1) for holding a nozzle (11) coupled to a tip end of the transport pipe (10); a plurality of pump drones (6A, 6B), each of which incorporates a pump (40A, 40B); and a power supply unit (3) for suppling a power to the top drone (1) and the pump drones (6A, 6B) through power cables (5). Each of the pump drones (6A, 6B) has a coupling mechanism (35) for tiltably and rotatably coupling the pump (40A, 40B) to a pump drone body (30).Type: ApplicationFiled: August 23, 2019Publication date: January 27, 2022Applicant: Ebara CorporationInventor: Motohiko NOHMI
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Publication number: 20210138281Abstract: The present invention relates to a fire fighting system for transporting a nozzle of a fire hose coupled to a drone to a high place. The fire fighting system includes a fire hose (10) having a fire hose (10) having a nozzle (11) for injecting a fire extinguishing liquid; a fire-extinguishing-liquid supply source (2) which is coupled to the fire hose (10), and supplies the fire extinguishing liquid to the fire hose (10); a top drone (1) coupled to the nozzle (11); a wired cable (4) coupled to the top drone (1); and a power supply unit (3) which supplies power or fuel for flying the top drone (1) through the wired cable (4).Type: ApplicationFiled: April 19, 2019Publication date: May 13, 2021Applicant: Ebara CorporationInventors: Motohiko NOHMI, Yumiko SEKINO
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Publication number: 20210109339Abstract: Provided are various devices, systems and methods for observing pumps and the like. Provided is an industrial endoscope including an imaging device, a flexible holding member configured to hold the imaging device, and one or a plurality of nozzles fixed to the holding member and which injects a fluid.Type: ApplicationFiled: January 22, 2018Publication date: April 15, 2021Inventors: Motohiko Nohmi, Yumiko Sekino
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Publication number: 20210088048Abstract: A turbo pump acts on a liquid, and an apparatus and a method suppresses or alleviates a cavitation surge which is a unique phenomenon occurring in a turbo pump for a liquid. A method of operating a turbo pump while suppressing cavitation, includes: measuring a flow rate upstream of the turbo pump and a flow rate downstream of the turbo pump for delivering a liquid and comparing the flow rates with each other; if the upstream flow rate is lower than the downstream flow rate, reducing a pressure in a pump suction section to increase an upstream flow velocity while reducing a pressure in a pump discharge section to lower a downstream flow velocity; and if the downstream flow rate is lower than the upstream flow rate, increasing the pressure in the pump discharge section to increase the downstream flow velocity while increasing the pressure in the pump suction section.Type: ApplicationFiled: December 7, 2020Publication date: March 25, 2021Inventor: Motohiko Nohmi
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Patent number: 10718362Abstract: A vortex control device for modifying a vortex in a fluid stemming from a wall is disclosed. The device includes a rotatable hub disposed within an opening in the wall. The device also includes an inlet port and an outlet port in the rotatable hub. The inlet port forms a suction port to suction fluid from or about the vortex, and the outlet port forms an injection port to inject fluid into or about the vortex.Type: GrantFiled: November 9, 2018Date of Patent: July 21, 2020Assignees: THE FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION, INC., EBARA CORPORATIONInventors: Kunihiko Taira, Qiong Liu, Byungjin An, Motohiko Nohmi, Masashi Obuchi
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Publication number: 20200088203Abstract: A turbo pump acts on a liquid, and an apparatus and a method suppresses or alleviates a cavitation surge which is a unique phenomenon occurring in a turbo pump for a liquid. A method of operating a turbo pump while suppressing cavitation, includes: measuring a flow rate upstream of the turbo pump and a flow rate downstream of the turbo pump for delivering a liquid and comparing the flow rates with each other; if the upstream flow rate is lower than the downstream flow rate, reducing a pressure in a pump suction section to increase an upstream flow velocity while reducing a pressure in a pump discharge section to lower a downstream flow velocity; and if the downstream flow rate is lower than the upstream flow rate, increasing the pressure in the pump discharge section to increase the downstream flow velocity while increasing the pressure in the pump suction section.Type: ApplicationFiled: November 21, 2019Publication date: March 19, 2020Inventor: Motohiko Nohmi
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Publication number: 20200070941Abstract: The present invention relates to an underwater drone which is an unmanned mobile which can move in the water, and more particularly to a communication system for the underwater drone which performs communication between the underwater drone and a land-based controller (or maneuvering device). The present invention also relates to an airlock apparatus for the drone which transfers the drone into or from facilities or containers, or equipment sealed (or closed) against surrounding environment. The communication system for an underwater drone includes an underwater drone (1) configured to move in the water, at least one transmitting and receiving antenna (2) provided in an area where the transmitting and receiving antenna (2) can communicate with the underwater drone (1) by wireless communication, and a controller or a maneuvering device (5) connected to the at least one transmitting and receiving antenna (2) by a wired cable (4) and configured to control the underwater drone (1).Type: ApplicationFiled: November 20, 2017Publication date: March 5, 2020Applicant: Ebara CorporationInventors: Motohiko NOHMI, Yumiko SEKINO
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Publication number: 20190256207Abstract: The present invention relates to a drone which is an unmanned mobile which can move in the air or in the water or in both areas, and a wired drone group having a plurality of drones. The wired drone group includes a plurality of drones (1) coupled in series by a wired cable (2) having a function for performing power feeding to the respective drones and/or communication with the respective drones (1), and a controller (3) connected to the drone (1) at one end side of the drone group and configured to control movement of the drone group.Type: ApplicationFiled: October 30, 2017Publication date: August 22, 2019Applicant: Ebara CorporationInventors: Motohiko NOHMI, Yumiko SEKINO
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Patent number: 10386292Abstract: To provide an erosion characteristics database and a method for constructing the same, an erosion prediction method and an erosion prediction system using the database for predicting a widespread erosion amount of a fluid machine or the like in a short time without the need for an operation of a model machine or an actual machine.Type: GrantFiled: May 31, 2013Date of Patent: August 20, 2019Assignee: EBARA CORPORATIONInventors: Motohiko Nohmi, Hiroshi Yakuwa, Keisuke Hayabusa, Hiroaki Nakamoto
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Publication number: 20190145442Abstract: A vortex control device for modifying a vortex in a fluid stemming from a wall is disclosed. The device includes a rotatable hub disposed within an opening in the wall. The device also includes an inlet port and an outlet port in the rotatable hub. The inlet port forms a suction port to suction fluid from or about the vortex, and the outlet port forms an injection port to inject fluid into or about the vortex.Type: ApplicationFiled: November 9, 2018Publication date: May 16, 2019Inventors: Kunihiko Taira, Qiong Liu, Byungjin An, Motohiko Nohmi, Masashi Obuchi
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Patent number: 10232315Abstract: A seawater desalination system for desalinating seawater by removing salinity from the seawater and an energy recovery apparatus which is preferably used in the seawater desalination system. The energy recovery apparatus includes a cylindrical chamber being installed such that a longitudinal direction of the chamber is placed in a vertical direction, a concentrated seawater port for supplying and discharging the concentrated seawater, a seawater port for supplying and discharging the seawater, a flow resistor provided at a concentrated seawater port side in the chamber, and a flow resistor provided at a seawater port side in the chamber. Each of the flow resistor provided at the concentrated seawater port side and the seawater port side comprises at least one perforated circular plate, and each perforated circular plate has a plurality of holes formed in an outer circumferential area outside a circle having a predetermined diameter on the perforated circular plate.Type: GrantFiled: September 21, 2018Date of Patent: March 19, 2019Assignee: EBARA CORPORATIONInventors: Akira Goto, Tamami Takahashi, Motohiko Nohmi, Masanori Goto
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Patent number: 10207224Abstract: An energy recovery apparatus which is used in a seawater desalination system includes a cylindrical chamber (CH) being installed such that a longitudinal direction of the chamber is placed in a vertical direction, a concentrated seawater port (P1) for supplying and discharging the concentrated seawater, a seawater port (P2) for supplying and discharging the seawater, a flow resistor (23) provided at a concentrated seawater port (P1) side in the chamber (CH), and a flow resistor (23) provided at a seawater port (P2) side in the chamber (CH). The flow resistor (23) provided at the concentrated seawater port (P1) side and the flow resistor (23) provided at the seawater port (P2) side comprise at least one perforated circular plate, and the perforated circular plate has holes formed at an outer circumferential area outside a predetermined diameter of the circular plate.Type: GrantFiled: March 28, 2014Date of Patent: February 19, 2019Assignee: EBARA CORPORATIONInventors: Tamami Takahashi, Masanori Goto, Akira Goto, Motohiko Nohmi, Kazuya Hirata
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Publication number: 20190022587Abstract: A seawater desalination system for desalinating seawater by removing salinity from the seawater and an energy recovery apparatus which is preferably used in the seawater desalination system. The energy recovery apparatus includes a cylindrical chamber being installed such that a longitudinal direction of the chamber is placed in a vertical direction, a concentrated seawater port for supplying and discharging the concentrated seawater, a seawater port for supplying and discharging the seawater, a flow resistor provided at a concentrated seawater port side in the chamber, and a flow resistor provided at a seawater port side in the chamber. Each of the flow resistor provided at the concentrated seawater port side and the seawater port side comprises at least one perforated circular plate, and each perforated circular plate has a plurality of holes formed in an outer circumferential area outside a circle having a predetermined diameter on the perforated circular plate.Type: ApplicationFiled: September 21, 2018Publication date: January 24, 2019Inventors: Akira GOTO, Tamami TAKAHASHI, Motohiko NOHMI, Masanori GOTO
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Patent number: 10124295Abstract: The present invention relates to a seawater desalination system for desalinating seawater by removing salinity from the seawater and an energy recovery apparatus which is preferably used in the seawater desalination system. The energy recovery apparatus includes a cylindrical chamber (CH) being installed such that a longitudinal direction of the chamber is placed in a vertical direction, a concentrated seawater port (P1) for supplying and discharging the concentrated seawater, a seawater port (P2) for supplying and discharging the seawater, a flow resistor (23) provided at a concentrated seawater port (P1) side in the chamber (CH), and a flow resistor (23) provided at a seawater port (P2) side in the chamber (CH).Type: GrantFiled: May 11, 2018Date of Patent: November 13, 2018Assignee: EBARA CORPORATIONInventors: Akira Goto, Tamami Takahashi, Motohiko Nohmi, Masanori Goto
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Publication number: 20180257035Abstract: The present invention relates to a seawater desalination system for desalinating seawater by removing salinity from the seawater and an energy recovery apparatus which is preferably used in the seawater desalination system. The energy recovery apparatus includes a cylindrical chamber (CH) being installed such that a longitudinal direction of the chamber is placed in a vertical direction, a concentrated seawater port (P1) for supplying and discharging the concentrated seawater, a seawater port (P2) for supplying and discharging the seawater, a flow resistor (23) provided at a concentrated seawater port (P1) side in the chamber (CH), and a flow resistor (23) provided at a seawater port (P2) side in the chamber (CH).Type: ApplicationFiled: May 11, 2018Publication date: September 13, 2018Inventors: Akira GOTO, Tamami TAKAHASHI, Motohiko NOHMI, Masanori GOTO
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Patent number: 10005034Abstract: The present invention relates to a seawater desalination system for desalinating seawater by removing salinity from the seawater and an energy recovery apparatus which is preferably used in the seawater desalination system. The energy recovery apparatus includes a cylindrical chamber (CH) being installed such that a longitudinal direction of the chamber is placed in a vertical direction, a concentrated seawater port (P1) for supplying and discharging the concentrated seawater, a seawater port (P2) for supplying and discharging the seawater, a flow resistor (23) provided at a concentrated seawater port (P1) side in the chamber (CH), and a flow resistor (23) provided at a seawater port (P2) side in the chamber (CH).Type: GrantFiled: August 28, 2015Date of Patent: June 26, 2018Assignee: EBARA CORPORATIONInventors: Akira Goto, Tamami Takahashi, Motohiko Nohmi, Masanori Goto