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公开(公告)号：US20190157695A1
公开(公告)日：2019-05-23
申请号：US16192893
申请日：2018-11-16
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yuji Okamura , Tetsuya Fukuda
IPC: H01M8/04828 , H01M8/0432 , H01M8/04492 , H01M8/04007 , H01M8/04701 , H01M8/04119
Abstract: In a fuel cell system and a method of controlling the fuel cell system, correlation temperature correlated to temperature of a fuel cell stack is obtained. Further, temperature of a heating unit provided at the bottom of a water storage area of a gas liquid separator is estimated. The presence/absence of water in the gas liquid separator is determined based on the correlation temperature of the fuel cell stack and the temperature of the heating unit.
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公开(公告)号：US11171346B2
公开(公告)日：2021-11-09
申请号：US16264716
申请日：2019-02-01
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yuji Okamura , Tetsuya Fukuda
IPC: H01M8/04291 , H01M8/04701 , F16K49/00
Abstract: A fuel cell system includes a gas liquid separator and a valve device. The gas liquid separator separates water from a fuel off gas discharged from a fuel cell stack. The valve device is provided in a discharge channel for discharging water separated from the gas liquid separator. The valve device includes a fluid inlet for guiding fluid at least containing water in the gas liquid separator toward the valve main body. A heating device is provided at an inner hole of the fluid inlet.
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公开(公告)号：US11028808B2
公开(公告)日：2021-06-08
申请号：US16372466
申请日：2019-04-02
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yuji Okamura , Kazuya Mizumoto
Abstract: An injector device is equipped with a casing enabling hydrogen gas to flow in and flow out and a first plunger and a second plunger which are accommodated inside the casing. Further, by a drive unit, the injector device performs a first operation to integrally displace the first plunger and the second plunger and a second operation to displace the first plunger relative to the second plunger. The second plunger has a flow path allowing the hydrogen gas to flow, and the first plunger is disposed to be inserted into the flow path and is displaced relative to the second plunger to open and close the flow path.
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公开(公告)号：US20180375123A1
公开(公告)日：2018-12-27
申请号：US16012844
申请日：2018-06-20
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yuji Okamura , Tetsuya Fukuda , Yoichiro Saito
IPC: H01M8/04119 , B01D45/08
Abstract: A gas-liquid separator includes a casing in which a first inlet port, a second inlet port, and an outlet port are formed. Inside the casing, a first gas-liquid separation chamber and a second gas-liquid separation chamber are formed by a partition wall. A gas-liquid two-phase flow that flows in from the first inlet port passes through the first gas-liquid separation chamber and is subjected to gas-liquid separation. On the other hand, a gas-liquid two-phase flow that flows in from the second inlet port passes through the second gas-liquid separation chamber and is subjected to gas-liquid separation. The gas flows after having undergone gas-liquid separation are collected together in a collection chamber, and are further discharged from the outlet port.
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公开(公告)号：US20190309711A1
公开(公告)日：2019-10-10
申请号：US16372466
申请日：2019-04-02
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yuji Okamura , Kazuya Mizumoto
Abstract: An injector device is equipped with a casing enabling hydrogen gas to flow in and flow out and a first plunger and a second plunger which are accommodated inside the casing. Further, by a drive unit, the injector device performs a first operation to integrally displace the first plunger and the second plunger and a second operation to displace the first plunger relative to the second plunger. The second plunger has a flow path allowing the hydrogen gas to flow, and the first plunger is disposed to be inserted into the flow path and is displaced relative to the second plunger to open and close the flow path.
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Patent Agency Ranking
公开(公告)号：US20190198898A1
公开(公告)日：2019-06-27
申请号：US16226782
申请日：2018-12-20
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yuji Okamura , Koichi Takaku , Koichi Kato
IPC: H01M8/04223 , H01M8/04302 , H01M8/0258 , H01M8/04014 , H01M8/0267
CPC classification number: H01M8/04268 , H01M8/0258 , H01M8/0267 , H01M8/04022 , H01M8/04253 , H01M8/04302 , H01M8/0432 , H01M8/12
Abstract: A fuel cell system includes a gas-liquid separator, a circulation flow path, a connecting flow path, and a distribution flow path. The gas-liquid separator separates fuel exhaust gas, which flows therein via a fuel exhaust gas flow path, into gas and liquid. The circulation flow path causes a gas discharge port of the gas-liquid separator and the fuel gas supply flow path to communicate with each other. The connecting flow path causes a liquid discharge port of the gas-liquid separator to communicate with the oxygen-containing gas supply flow path, via a drain valve. The distribution flow path causes the circulation flow path or a portion of the fuel gas supply flow path that is on a downstream side of a connecting section connecting to the circulation flow path to communicate with a downstream side of the drain valve of the connecting flow path via an opening and closing valve.
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公开(公告)号：US20190198897A1
公开(公告)日：2019-06-27
申请号：US16226776
申请日：2018-12-20
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yuji Okamura , Koichi Takaku , Koichi Kato
IPC: H01M8/04223 , H01M8/04302 , H01M8/0258 , H01M8/04014 , H01M8/0267
CPC classification number: H01M8/04268 , H01M8/0258 , H01M8/0267 , H01M8/04022 , H01M8/04253 , H01M8/04302 , H01M8/0432 , H01M8/12
Abstract: A fuel cell system includes a gas-liquid separator, a circulation flow path, a connecting flow path, and a distribution flow path. The gas-liquid separator separates fuel exhaust gas, which flows therein via a fuel exhaust gas flow path, into a gas and a liquid. The circulation flow path causes a gas discharge port of the gas-liquid separator and the fuel gas supply flow path to be in communication with each other. The connecting flow path causes a liquid discharge port of the gas-liquid separator to be in communication with the oxygen-containing gas supply flow path, via a drain valve. The distribution flow path causes the fuel gas supply flow path or the circulation flow path to be in communication with the oxygen-containing gas supply flow path, via an opening and closing valve.
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公开(公告)号：US20250065249A1
公开(公告)日：2025-02-27
申请号：US18800054
申请日：2024-08-10
Applicant: Honda Motor Co., Ltd.
Inventor： Shota Maeda , Yuji Okamura , Tsutomu Kubo
IPC: B01D19/00
Abstract: A gas-liquid separator including a container including an upper part, a bottom part and a side part connecting the upper part and the bottom part to form a gas-liquid separation chamber where a gas-liquid two-phase flow is separated into a gas phase and a liquid phase. The side part includes a first and second side parts opposed to each other, the container includes an inlet provided at the upper part so that the gas-liquid two-phase flow flows into and an outlet provided at the first side part so that the gas phase separated in the gas-liquid separation chamber flows out, and the gas-liquid separator further includes a flow path forming part forming an inclined flow path extending diagonally downward so that the gas-liquid two-phase flow flowed into through the inlet collides with the second side part below the outlet.
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公开(公告)号：US20180375122A1
公开(公告)日：2018-12-27
申请号：US16012842
申请日：2018-06-20
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yuji Okamura , Tetsuya Fukuda , Yoichiro Saito
IPC: H01M8/04119 , B01D45/08
Abstract: A gas-liquid separator includes a casing in which there are formed an inlet port to which a gas-liquid two-phase flow is supplied, and an outlet port through which a gas flow is discharged after the gas-liquid two-phase flow has been separated into a gas and a liquid. A gas-liquid separation chamber is formed in the casing by a partition wall. The inlet port opens on a surface of the partition wall in the gas-liquid separation chamber. The gas-liquid separator further includes a deflection member configured to change a flow direction of the gas-liquid two-phase flow that flows in from the inlet port, and a clearance is formed between the deflection member and an inner wall of the casing.
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公开(公告)号：US11271228B2
公开(公告)日：2022-03-08
申请号：US16226782
申请日：2018-12-20
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yuji Okamura , Koichi Takaku , Koichi Kato
IPC: H01M8/04302 , H01M8/04223 , H01M8/0258 , H01M8/0267 , H01M8/04014 , H01M8/12 , H01M8/0432
Abstract: A fuel cell system includes a gas-liquid separator, a circulation flow path, a connecting flow path, and a distribution flow path. The gas-liquid separator separates fuel exhaust gas, which flows therein via a fuel exhaust gas flow path, into gas and liquid. The circulation flow path causes a gas discharge port of the gas-liquid separator and the fuel gas supply flow path to communicate with each other. The connecting flow path causes a liquid discharge port of the gas-liquid separator to communicate with the oxygen-containing gas supply flow path, via a drain valve. The distribution flow path causes the circulation flow path or a portion of the fuel gas supply flow path that is on a downstream side of a connecting section connecting to the circulation flow path to communicate with a downstream side of the drain valve of the connecting flow path via an opening and closing valve.
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