Kobe Steel, Ltd.

Takayuki Fukuda

Kenji Nagura

Toru Okada

Koichiro Hashimoto

Daisuke Wada

Shigeto Adachi

Takehiko Wakazono

Akitoshi Fujisawa

Takuro Uba

Munenori Soejima

Takashi Sumitani

Yu Sumimoto

Yasuharu Matsumoto

Tomohiro Ootsuka

Takuya Washio

Ryosuke Yamasaki

Shota Harada

Shinichiro Ikai

Masashi Takano

The present application discloses a hydrogen station for supplying hydrogen to a tank of a tank-equipped device. The hydrogen station includes: an integrated controller for integrally controlling devices provided in the hydrogen station; a sensing portion for sensing leaked hydrogen which has leaked inside the integrated controller; a ventilation device performing a high ventilation measure of performing ventilation for air inside the integrated controller or an explosion prevention device performing an internal pressure-based explosion protection measure of creating a pressure-increased state inside the integrated controller; and a compressor unit including a compressor, which is used as one of the devices, and a housing, in which the compressor is stored. The integrated controller is mounted on the housing, and is electrically connected to the compressor via a through-hole formed in the housing to control the compressor.

Hydrogen station

A gas leak determining method for a multi-stage compressor including: a first compressing unit that compresses a gas; and a second compressing unit that further compresses the gas compressed by the first compressing unit includes: a step of calculating a proportion of discharge pressure from the second compressing unit to discharge pressure from the first compressing unit or suction pressure into the second compressing unit; and a step of determining that a gas is leaking from the second compressing unit when the proportion becomes equal to or less than a set value.

Gas leak determining method, and multi-stage compressor

A method for controlling a compression system that includes a compressor for compressing gas, a first on-off valve provided on a suction flow passage connected to a suction side of the compressor, a pressure reducing valve provided on a portion of the suction flow passage upstream of the first on-off valve, a second on-off valve provided on a discharge flow passage connected to a discharge side of the compressor, a bypass flow passage connecting the suction flow passage and the discharge flow passage to detour the compressor, and a bypass valve provided on the bypass flow passage, includes closing the first on-off valve while driving the compressor, opening the bypass valve simultaneously with or after the closing of the first on-off valve, closing the second on-off valve after the opening of the bypass valve, and continuing to drive the compressor after the closing of the second on-off valve.

Method for controlling compression system, compression system, and hydrogen station

The present application discloses a compressor including a crank shaft, a first reciprocation converter, a first cylinder body, a first pressurizing portion, a second reciprocation converter, which is connected to the crank shaft with a phase different by 180 degrees from the first reciprocation converter, a second cylinder body, a second pressurizing portion, and a connecting portion configured to interconnect the compression chambers. The compression chambers are arranged so that a timing at which the gas is discharged from a specific compression chamber among the compression chambers becomes the same as a timing at which the discharged gas is suctioned into another compression chamber at a higher side by one stage than the specific compression chamber.

Compressor

A combustible gas supply unit includes a high pressure gas facility for handling combustible gas which is compressed and a housing provided with a high pressure gas handling area containing the high pressure gas facility. The housing has a portion that is disposed in a side close to a boundary between premises of a hydrogen station and an outer region of the premises and constitutes the high pressure gas handling area, the portion being substantially composed of a partitioning wall member that resists an impact of an explosion of combustible gas.

Combustible gas supply unit and hydrogen station

A combustible gas supply unit is for supplying compressed combustible gas to a dispenser. The combustible gas supply unit includes a high pressure gas facility for handling compressed combustible gas, a base plate having the high pressure gas facility installed thereon and a barrier supported by the base plate to surround at least a part of an outer periphery of the high pressure gas facility. A barrier is shaped to surround at least a part of an outer periphery of the high pressure gas facility and includes a part to be supported by a base plate having the high pressure gas facility installed thereon.

Combustible gas supply unit and barrier

A thermal energy recovery device includes: a circulating flow path connected to a heater, an expander, a condenser and a circulating pump for circulating a working medium; a bypass valve in a bypass path connecting the upstream side region and the downstream side region of the expander in the circulating flow path; a power recovery machine connected to the expander; a circulating pump sending the working medium condensed in the condenser to the heater; a cooling medium pump sending a cooling medium to the condenser; an upstream side sensor detecting the pressure/temperature of the working medium on the expander upstream side in the circulating flow path; and a controller controlling the bypass valve and the cooling medium pump. The controller opens the bypass valve after stopping the circulating pump, and drives the cooling medium pump if the pressure/temperature of the working medium on the expander upstream side exceeds a threshold.

Thermal energy recovery device and control method

The calibration method for a multi-component force detector is a calibration method for a multi-component force detector provided in a rolling resistance testing machine comprising a spindle to which a tire is mounted, and a traveling drum having a simulated traveling road surface against which the tire is pressed, wherein when processing for calculating force acting on the tire from the measurement value of the multi-component force detector using a crosstalk correction factor for correcting the influence of crosstalk occurring in the multi-component force detector is performed, a test is conducted using at least one or more reference tire the rolling resistance value of which is already known, and the crosstalk correction factor is calibrated using 'rolling test data' composed of force measured by the multi-component force detector during the test using the reference tire, and the rolling resistance value of the reference tire used for the measurement.

Calibration method for multi-component force detector provided in rolling resistance testing machine

To calibrate a crosstalk correction coefficient of a multi-component force detector provided in a rolling resistance testing machine. A method of calibrating a multi-component force detector provided in a rolling resistance testing machine includes a spindle shaft attached with a tire, a running drum with a simulated road surface for pressing the tire thereon, and a rotation torque meter provided in a rotation shaft of the running drum, wherein when performing a process of calculating a force acting on the tire from a measurement value of the multi-component force detector using a crosstalk correction coefficient for calibrating an influence of crosstalk occurring in the multi-component force detector, the crosstalk correction coefficient is calibrated by using a rolling test data including a rotation torque measured by the rotation torque meter and a force measured by the multi-component force detector.

Method of calibrating multi component force detector provided in rolling resistance testing machine

A crosstalk correction coefficient of a multi component force detector provided in a rolling resistance testing machine is calibrated. A method of calibrating a multi component force detector provided in a rolling resistance testing machine including a spindle shaft to which a tire is attached, a running drum with a simulation road surface on which the tire is pressed, and a rotation torque meter provided in a rotation shaft of the running drum; in which, in performing a process of calculating a force acting on the tire from a measurement value of the multi component force detector by using a crosstalk correction coefficient that corrects an influence of crosstalk occurring in the multi component force detector, the crosstalk correction coefficient is calibrated by using a rolling test data including a rotation torque measured by the rotation torque meter and a force measured by the multi component force detector.

A tire testing machine of the present invention includes a bottom chuck that is mounted to a bottom frame, a top chuck that is mounted to a movable beam, a ball screw that causes the movable beam to ascend or descend, and a beam fixing member that fixes the movable beam so as not to ascend. The beam fixing member includes a disk that is fixed to the ball screw and is provided with a plurality of elongated holes and air cylinders that are fixed to the vertical frame and are inserted into the elongated holes. When the pins are inserted into the elongated holes formed in the disk, the top chuck is fixed to the bottom chuck through the movable beam so as not to ascend.

Tire testing machine

A moment calibrating apparatus () is provided with an elongated force transmitting member () for transmitting a force applied to the end portion thereof to a multi-component force gauge (), a load applying mechanism () for applying a load without changing the direction of the force along a direction perpendicular to said end portion, and a calculation unit () for calculating a true moment free from the effect of a perpendicular load on the basis of the moment value around the axis in the direction orthogonal to the perpendicular direction, measured by the multi-component force gauge () under the condition that said perpendicular load along the direction perpendicular to said end portion is applied by the load applying mechanism (), wherein a moment calibration of the multi-component force gauge () is performed using said true moment calculated by the calculation unit ().

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Takasago, Japan

Takayuki Fukuda