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公开(公告)号：US20220260209A1
公开(公告)日：2022-08-18
申请号：US17732049
申请日：2022-04-28
Applicant: ENEOS Corporation
Inventor： Akihiko FUKUNAGA , Tatsuya REMBUTSU , Koki SAKAMOTO
Abstract: A hydrogen gas filling device includes a reception circuit, a difference calculation circuit, a filling speed calculation circuit, an accumulator, and a filing machine. The reception circuit is configured to receive, from a vehicle equipped with a tank to be filled with hydrogen gas and powered by the hydrogen gas, a value of a parameter of the vehicle. The difference calculation circuit is configured to calculate a difference between a predetermined value and the value of the parameter received from the vehicle. The filling speed calculation circuit is configured to calculate a filling speed of the hydrogen gas depending on the difference. The accumulator is configured to accumulate hydrogen gas. The filling machine is configured to fill the tank with the hydrogen gas from the accumulator at the calculated filling speed. A hydrogen gas filling method includes the operations noted above.
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公开(公告)号：US20250075855A1
公开(公告)日：2025-03-06
申请号：US18953615
申请日：2024-11-20
Applicant: ENEOS Corporation
Inventor： Akihiko FUKUNAGA , Tatsuya REMBUTSU , Koki SAKAMOTO
Abstract: A control circuit controls fillings speeds of hydrogen gas filling a fuel tank. The control circuit a) receives values of a characteristic of the tank during a process of filling the tank with the hydrogen gas, b) calculates at different times during the filling process the differences between a preset threshold of the characteristic of the tank and the values of the characteristic of the tank received at the different times during the filling process, c) calculates plural filling speeds of the hydrogen gas filling the tank during the filling process, each of the filling speeds depending on one of the plurality of differences between the preset threshold and the values of the characteristic of the tank received at the different times during the filling process, and d) controls an operation of a dispenser for filling the tank with the hydrogen gas at the calculated filling speeds.
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3.发明申请公开(公告)号：US20210062974A1
公开(公告)日：2021-03-04
申请号：US17097439
申请日：2020-11-13
Applicant: ENEOS Corporation
Inventor： Toshio TEZUKA , Tatsuya REMBUTSU , Koki SAKAMOTO
Abstract: According to one aspect of the present invention, a method for diagnosing a failure of a flowmeter in a measuring machine, includes calculating a filling amount at an end of filling of the hydrogen gas into a tank from the measuring machine by using a pressure, a temperature, and a volume of the tank; and determining whether or not the flowmeter fails by using a plurality of error values between a metering filling amount at the end of filling measured using the flowmeter and a calculated filling amount at the end of filling calculated using the pressure, the temperature, and the volume of the tank, the plurality of error values being based on a plurality of past performance data stored in a storage device, and an error value at the end of filling of the hydrogen gas at a present time, and outputting a result.
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公开(公告)号：US20210062973A1
公开(公告)日：2021-03-04
申请号：US17097469
申请日：2020-11-13
Applicant: ENEOS Corporation
Inventor： Akihiko FUKUNAGA , Tatsuya REMBUTSU , Koki SAKAMOTO
Abstract: According to one aspect of the present invention, a hydrogen gas filling method includes receiving, from a vehicle equipped with a tank to be filled with hydrogen gas and powered by the hydrogen gas, a temperature of the tank before a start of filling; calculating a difference between a preset maximum temperature and the temperature of the tank; calculating a filling speed of the hydrogen gas depending on the difference; and filling the hydrogen gas from an accumulator in which the hydrogen gas is accumulated into the tank at the filling speed calculated via a measuring machine.
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