Honda Motor Co., Ltd.

Hisashi Nagaoka

Jun Takeuchi

Koji Nakazawa

Daisuke Kurashina

Junichi Kobayashi

Shuichi Kazuno

Hiroyuki Abe

Masanori Hayashi

Masanori Okabe

Toshiaki Takeshita

Hiroyuki Ishikawa

Kazuhisa Sato

Yuji Yamakawa

Tetsuya Yoshida

Mutsumi Katayama

Kenji Taruya

Masahiro Mohri

Takeo Fukuda

Toru Kimura

Aoi Miyake

Daisuke Misu

Provided is a vehicle management system configured to manage a plurality of vehicles used at an office. Each of the vehicles includes a battery. The vehicle management system includes: a first prediction control unit configured to cause a prediction for an amount of surplus power generated at the office on a non-work day of the office; a second prediction control unit configured to cause a prediction for a power capacity that can be accumulated by each of the plurality of vehicles at the office on the non-work day; and a selection control unit configured to cause a to-be-retained vehicle to be retained at the office on the non-work day to be selected from among the plurality of vehicles on the basis of the amount of surplus power generated at the office on the non-work day and the power capacity.

Vehicle management system, vehicle management method, and energy management system

A hydrogen production apparatus includes a water electrolysis unit, a storage unit, a supply unit, and an electrical equipment unit. A first ventilation flow path causes air to flow through an electrical equipment chamber and a storage chamber, which is formed by at least one of a water electrolysis chamber, a storage chamber, and a supply chamber. A second ventilation flow path causes air to flow through at least one of the water electrolysis chamber, the storage chamber, and the supply chamber that is not the storage chamber. The electrical equipment chamber is positioned farthest upstream in the first ventilation flow path, and the first ventilation flow path and the second ventilation flow path are separated from each other.

Hydrogen production apparatus

A hydrogen station includes a state management apparatus that is connected to each of a plurality of systems and manages the states of the plurality of systems, and a safety control apparatus that is formed separately from the main equipment and is connected to the state management apparatus. The state management apparatus performs first watchdog control to check operations of the plurality of systems and the safety control apparatus performs second watchdog control to check an operation of the state management apparatus. The state management apparatus or the safety control apparatus cuts off the power supply from the safety control apparatus to the main equipment if an abnormality is recognized by the second watchdog control, even if the first watchdog control indicates correct operation.

Hydrogen station

A water electrolysis system includes a water electrolysis apparatus, an electric component, and a casing. The electric component is to operate the water electrolysis apparatus. The casing includes a housing chamber, an electric component chamber, and a buffering chamber. The housing chamber has a first ventilation air inlet to introduce external air into the housing chamber and houses the water electrolysis apparatus. The electric component chamber has a second ventilation air inlet to introduce the external air into the electric component chamber and houses the electric component. The first ventilation air inlet and the second ventilation air inlet are separate from each other. The buffering chamber is in communication with the first ventilation air inlet and the second ventilation air inlet. An air pressure in the buffering chamber is to be maintained at atmospheric pressure.

Water electrolysis system

A water electrolysis system includes a high-pressure hydrogen production unit for electrolyzing water to generate oxygen and high-pressure hydrogen (the pressure of the high-pressure hydrogen being higher than that of the oxygen), and a gas-liquid separation unit for removing water contained in the high-pressure hydrogen. The gas-liquid separation unit is placed on a hydrogen pipe for discharging the high-pressure hydrogen from the high-pressure hydrogen production unit. In addition, the water electrolysis system includes a high-pressure hydrogen supply pipe for transferring dewatered high-pressure hydrogen from the gas-liquid separation unit, a cooling unit, which is placed on the high-pressure hydrogen supply pipe and is capable of variably controlling the temperature of the high-pressure hydrogen to adjust the humidity of the high-pressure hydrogen, and a control unit.

Method for operating the water electrolysis system

A high pressure water electrolysis system includes a high pressure water electrolysis device, a hydrogen storage device, a high pressure hydrogen pipe, a branch pipe, a non-return valve, a pressure detector, and a controller. The controller includes a threshold storage device, a threshold determination device, and a solenoid valve opening/closing operation device. The threshold storage device is configured to store a first threshold of a pressure value detected by the pressure detector and a second threshold lower than the first threshold. The threshold determination device is configured to determine whether or not the pressure value detected by the pressure detector has reached the second threshold. The solenoid valve opening/closing operation device is configured to open and close a solenoid valve if it is determined that the pressure value detected by the pressure detector has reached the second threshold.

High pressure water electrolysis system and method for activating same

Water electrolysis system and method for operating the same

A water electrolysis system includes a water electrolysis apparatus for electrically decomposing water to generate oxygen and high-pressure hydrogen having a pressure higher than the oxygen, a gas-liquid separator connected to a hydrogen pipe which discharges the high-pressure hydrogen from the water electrolysis apparatus, for separating water contained in the high-pressure hydrogen, a high-pressure hydrogen outlet pipe for delivering the high-pressure hydrogen separated from water from the gas-liquid separator, a water drainage line for discharging the water from the gas-liquid separator, and a gas depressurizing line connected to the gas-liquid separator, for degassing the gas-liquid separator before the water is discharged from the water drainage line into the water drainage line.

Water electrolysis system and method of operating same

A water electrolysis system includes a water electrolysis apparatus including an electrolyte membrane. The electrolyte membrane is provided between an anode and a cathode. The water electrolysis apparatus is configured to generate oxygen on a side of the anode and hydrogen on a side of the cathode at a pressure higher than a pressure of the oxygen through electrolysis of water. A gas-liquid separation apparatus separates unreacted water and produced gas discharged from a water outlet of the water electrolysis apparatus. A water circulation apparatus circulates the water between the water electrolysis apparatus and the gas-liquid separation apparatus. The water circulation apparatus includes a return pipe having an on-off valve and connecting the water outlet and the gas-liquid separation apparatus. A hydrogen exhaust pipe is connected to the return pipe between the water outlet and the on-off value and extends upward from the water electrolysis apparatus.

Water electrolysis system and method for shutting down the same

A water electrolysis system includes a high-pressure water electrolysis apparatus and a gas-liquid separation device. The gas-liquid separation device includes a block member which includes a gas-liquid separation opening and a water-level detection opening. The gas-liquid separation opening and the water-level detection opening extend substantially vertically and includes respective bottom portions which integrally communicate with a discharge pipe. The discharge pipe is disposed at a lower side portion of the block member. The water-level detection opening includes a top portion and a top water-level detection section. The block member further includes an inlet hole in which the hydrogen is introduced from the high-pressure water electrolysis device. The inlet hole is disposed at an upper side portion of the block member. The inlet hole is positioned above the top water-level detection section of the water-level detection opening.

Fuel supply station information distributing system includes at least one vehicle, an information distributing server and at least one station, which are interconnected through communication line networks. The information distributing server transmits at every given time a request-to-send for vehicle information to the vehicles as well as a request-to-send for station information to the stations. The information distributing server then creates a fuel supply station information associating for each vehicle based on the vehicle information received from the vehicle and the station information received from the stations, and distributes it to the vehicle. When the vehicle receives the fuel supply station information from the information distributing server, it is displayed on the car navigation screen for notifying the driver.

Fuel supply station information distributing system, fuel supply station information distributing server, and fuel supply station information displaying device

A system for allocating fuel stations to movable bodies includes an onboard unit, a station unit and a server. The onboard unit stores and updates information about a movable body. The station unit disposed at a fuel station which supplies fuel to the movable body stores and updates information about the fuel station. The server, which is connected to the onboard unit and the station unit through networks, allocates certain fuel stations to the movable body which requires fueling, based on the information about the movable body and the fuel station. When a difference of distance resulting from a subtraction, a movable distance minus a station distance, is smaller than a certain threshold, the server determines a necessity of supplying fuel to the movable body, allocating a fuel station which keeps an amount of stored fuel necessary for fuelling the movable body.

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Wako, Japan

Hisashi Nagaoka