Patents Assigned to Tatsuno Corporation
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Patent number: 11965615Abstract: To provide a pipe joint that can immediately shut off a hydrogen gas flow path at an initial stage when a plug (nozzle side member) comes out of a socket (filling apparatus side member) to prevent release of outgas.Type: GrantFiled: November 11, 2021Date of Patent: April 23, 2024Assignee: TATSUNO CORPORATIONInventor: Masahiro Takezawa
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Patent number: 11859747Abstract: To provide a safety joint that can prevent an O-ring from falling off due to an ultra-high pressure hydrogen gas flowing through a flow passage in the safety joint at high speed and from being damaged by a foreign matter coming into contact with the O-ring if the foreign matter is mixed in the hydrogen gas.Type: GrantFiled: December 14, 2022Date of Patent: January 2, 2024Assignee: TATSUNO CORPORATIONInventor: Masahiro Takezawa
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Patent number: 11846361Abstract: To provide a safety joint that can immediately shut off a hydrogen gas flow path at the initial stage when a plug (nozzle side member) comes out of a socket (fueling apparatus side member) to prevent release of hydrogen gas. In a safety joint (100, 100-1, 100-2) when the plug (10) is disconnected from the socket (20), a plug side shutoff valve 5 and a socket side shutoff valve 24 close, a mechanism for closing the socket side shutoff valve (24) includes a socket side spring (23) for urging a socket side valve body (25), a socket side rod (22) connected to the socket side valve body (25), and a support member (26, 27, 28) for supporting (mounting) the socket side rod (22), the support member (26, 27, 28) moves, together with the plug (10), to a state that the support member (26, 27, 28) does not support (mount) the socket side rod (22) when the plug (10) is disconnected from the socket (20).Type: GrantFiled: December 28, 2021Date of Patent: December 19, 2023Assignee: Tatsuno CorporationInventor: Masahiro Takezawa
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Patent number: 11808410Abstract: A hydrogen filling apparatus that can quickly fill vehicles equipped with multiple large-capacity fuel tanks with hydrogen gas while complying with filling protocol.Type: GrantFiled: June 3, 2021Date of Patent: November 7, 2023Assignee: TATSUNO CORPORATIONInventor: Yuichi Yoshida
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Patent number: 11761071Abstract: Provided is a beryllium copper alloy bonded body including a first member made of a beryllium copper alloy and a second member made of a beryllium copper alloy, wherein the first member and the second member are bonded to each other via the nickel layer having a thickness of 8 ?m or less.Type: GrantFiled: December 28, 2021Date of Patent: September 19, 2023Assignees: NGK INSULATORS, LTD., Tatsuno CorporationInventors: Takahiro Ishikawa, Takenori Ichigi, Tsutomu Otaki
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Patent number: 11644154Abstract: To provide a safety joint that can immediately shut off a hydrogen gas flow path at the initial stage when a plug (nozzle side member) comes out of a socket (fueling apparatus side member) to prevent release of outgas.Type: GrantFiled: December 28, 2021Date of Patent: May 9, 2023Assignee: TATSUNO CORPORATIONInventor: Masahiro Takezawa
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Patent number: 11635169Abstract: A filling apparatus that does not significantly reduce a required pressure immediately after a start of hydrogen filling, and can reliably fill fuel cell vehicles and the like. The filling apparatus (100) includes a control unit (10), and the control unit (10) has a function of boosting pressure required from a hydrogen filling apparatus (100) to a rear facility (200) until initial pressure measurement is completed. The control unit (10) may have a function of determining whether or not communication filling is established, and when communication filling is established, setting a pressure higher than an internal pressure of a tank received from a vehicle side by a predetermined pressure (for example, 5 MPa) as a pressure required for the rear facility (200) at an initial stage of filling.Type: GrantFiled: March 1, 2021Date of Patent: April 25, 2023Assignee: TATSUNO CORPORATIONInventor: Yuichi Yoshida
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Patent number: 11499677Abstract: A gas filling apparatus with excellent filling efficiency through a downsized gas pipe cooling section. A gas filling apparatus 1 of the present disclosure includes; a main unit 2 having a filling mechanism for transporting a gas from a gas supply source through a primary pipe 71 while measuring a flow rate of the gas and a gas pipe cooling section 41 for cooling a gas pipe in which a gas from the filling mechanism is introduced; and a hose unit 3 having a filling hose 34 connected to a secondary pipe 72 lead from the gas pipe cooling section and a gas filling nozzle attached to an end of the filling hose, wherein the gas pipe cooling section is made of copper alloy. The pipe cooling section can be disposed at a connecting portion between the secondary pipe and the filling hose, and plurality of the filling mechanisms can be mounted, and to each filling mechanism is independently mounted the gas pipe cooling section.Type: GrantFiled: April 22, 2016Date of Patent: November 15, 2022Assignee: TATSUNO CORPORATIONInventor: Akifumi Kanamori
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Patent number: 11370651Abstract: To provide a hydrogen filling system and a hydrogen filling method capable of preventing hydrogen from being filled at high filling rate in the same manner as the communication filling despite a condition that pressure, temperature and so on in the in-vehicle tank are not precisely grasped. The hydrogen filling system (100) of the present invention includes a control unit (CU1, CU2, CU3) for controlling hydrogen filling, wherein the control unit has a function of judging whether or not there is an abnormality in pressure or temperature data in an in-vehicle tank (IT) at communication filling and a function of stopping the communication filling and converting to non-communication filling when there is an abnormality in the pressure or the temperature data.Type: GrantFiled: January 6, 2020Date of Patent: June 28, 2022Assignee: TATSUNO CORPORATIONInventors: Naoaki Natori, Yuichi Yoshida
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Publication number: 20220119930Abstract: Provided is a beryllium copper alloy bonded body including a first member made of a beryllium copper alloy and a second member made of a beryllium copper alloy, wherein the first member and the second member are bonded to each other via the nickel layer having a thickness of 8 ?m or less.Type: ApplicationFiled: December 28, 2021Publication date: April 21, 2022Applicants: NGK INSULATORS, LTD., TATSUNO CORPORATIONInventors: Takahiro ISHIKAWA, Takenori ICHIGI, Tsutomu OTAKI
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Patent number: 11193631Abstract: To provide a filling apparatus capable of suppressing radial movement of a rod-shaped member (connecting pin) of a nozzle, and preventing damages and deformations (recesses and so on) from generating on an outer peripheral surface of the connecting pin.Type: GrantFiled: November 13, 2018Date of Patent: December 7, 2021Assignee: TATSUNO CORPORATIONInventor: Masahiro Takezawa
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Patent number: 11073244Abstract: A filling apparatus capable of suppressing radial movement of a connecting pin of a nozzle, and preventing damages and deformations (recesses and so on) from generating on an outer peripheral surface of the connecting pin, and making the filling nozzle compact.Type: GrantFiled: October 1, 2018Date of Patent: July 27, 2021Assignee: TATSUNO CORPORATIONInventor: Masahiro Takezawa
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Patent number: 10870570Abstract: To provide a safety joint capable of preventing moment generated by swinging of a filling hose and surely separating the safety joint to a hydrogen filling apparatus side member and a vehicle side member when a tensile force more or equal to a predetermined value is applied to the filling hose.Type: GrantFiled: July 10, 2018Date of Patent: December 22, 2020Assignee: TATSUNO CORPORATIONInventors: Masahiro Takezawa, Yuki Terasoma, Kiyoshi Kimura
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Patent number: 10836626Abstract: To provide a vapor recovery device capable of making the most of the capacity of the adsorption/desorption towers and efficiently adsorbing and desorbing fuel oil vapor. A vapor recovery device 1 having: a pump 5 disposed on a pipe 4 branched from a vent pipe 3, one end of which being connected to an underground tank 2, to suck a fuel oil vapor V in the underground tank; a condenser 6 connected, on the branch pipe, to a downstream side of the pump to condense the fuel oil vapor; and a plurality of adsorption/desorption towers 7a, 7b, 8a, 8b connected, on the branch pipe, to a downstream side of the condenser in series to adsorb/desorb fuel oil vapor fed from the condenser. One of the adsorption/desorption towers can be arranged above another one of remaining adsorption/desorption towers, and the pump may be fixed in a housing 30 through a bottom face and a side face of the pump and elastic bodies 32, 33.Type: GrantFiled: June 5, 2017Date of Patent: November 17, 2020Assignee: TATSUNO CORPORATIONInventors: Kazuyuki Karino, Al Yuta
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Patent number: 10794520Abstract: To provide a fluid supply apparatus capable of preventing inconveniences cause by cut of a signal line when a filling hose is separated through an emergency separation pipe joint. The fluid supply apparatus (100: fluid supply apparatus for supplying fluid such as hydrogen gas and gasoline) includes a supply system for transporting fluid such as hydrogen gas and gasoline in a housing main body while measuring flow rate of the fluid; a control mechanism for controlling the supply system; a hose (2) introduced from the supply system and having a nozzle (1) at an end thereof; and a signal line (3) along the hose (2), wherein the signal line (3) is detachable.Type: GrantFiled: June 24, 2019Date of Patent: October 6, 2020Assignee: TATSUNO CORPORATIONInventors: Masahiro Takezawa, Kanan Matsuda
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Patent number: 10774991Abstract: A gas filling apparatus having a filling nozzle with high operability. A gas filling apparatus 1, comprising; a filling mechanism for transporting a gas from a gas supply source via a gas transporting pipe while measuring flow rate of the gas; a filling hose 3 connected to the gas transporting pipe, the filling hose having a filling nozzle 4 at an end; a nozzle hook 5 on which the filling nozzle is hung; and a guide mechanism 7 for guiding the filling nozzle from the nozzle hook to a predetermined position when the filling nozzle is detached from the nozzle hook. The guide mechanism can guide the filling nozzle to a filling port of a fuel tank mounted on a vehicle, which allows the filling nozzle to move to the filling port of the fuel tank with ease even though the filling nozzle is heavy or a high pressure gas such as hydrogen gas is handled. The nozzle hook can include an injection port 5d for injecting a dry gas to the filling nozzle hung on the nozzle hook.Type: GrantFiled: June 20, 2016Date of Patent: September 15, 2020Assignee: TATSUNO CORPORATIONInventors: Yasuyuki Tsumura, Atsushi Takase, Kiyoshi Kimura, Takayuki Fuse
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Patent number: 10704725Abstract: A safety joint capable of preventing a moment generated by swinging of a filling hose from acting on the safety joint when a tensile force more or equal to a predetermined value is applied to the filling hose. The safety joint includes a plug with a cylindrical shape in which a passage is formed, a socket in which a passage continuing to the passage in the plug is formed, and a shut off valve mounted on the passage in the socket. The shut off valve opens when the plug is inserted into the socket and closes when the plug is disconnected therefrom. Central axes of the passages of the plug and the socket form a straight line. A filling hose is connected to the plug, and a hose guide for limiting movement of the filling hose at a position separated from the plug.Type: GrantFiled: July 11, 2018Date of Patent: July 7, 2020Assignee: TATSUNO CORPORATIONInventors: Masahiro Takezawa, Yuki Terasoma, Kiyoshi Kimura
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Patent number: D912202Type: GrantFiled: June 24, 2019Date of Patent: March 2, 2021Assignee: TATSUNO CORPORATIONInventors: Masahiro Takezawa, Makoto Arai
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Patent number: D921052Type: GrantFiled: September 18, 2019Date of Patent: June 1, 2021Assignee: Tatsuno CorporationInventors: Takeshi Ozeki, Kiyoshi Kimura
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Patent number: D1008314Type: GrantFiled: July 26, 2021Date of Patent: December 19, 2023Assignee: TATSUNO CORPORATIONInventors: Makoto Arai, Yuki Ezura