A method for automatically electronically associating vessel identity information of a vessel with an unassociated telemetric device, the unassociated telemetric device comprising a processor and being configured to detect and transmit quantity or usage data and being configured with a location sensing device, wherein the unassociated telemetric device is configured to communicate with a remote server, the method comprising the steps of: the remote server receiving the vessel identity information comprising a deployment location for the unassociated telemetric device; the unassociated telemetric device operating in accordance with an automatic action rule; in response to the unassociated telemetric device operating in accordance with the automatic action rule, the processor receiving location information of the unassociated telemetric device from the location sensing device; the unassociated telemetric device transmitting the location information; the remote server receiving the location information; the remote server correlating the location information with the vessel identity information when resolving that the location information represents that the unassociated telemetric device is within a proximity to the deployment location, and the remote server automatically electronically associating the unassociated telemetric device with the vessel identity information, resulting in the unassociated telemetric device becoming an associated telemetric device, so that when the associated telemetric device generates quantity or usage information, the quantity or usage information transmitted by the associated telemetric device is applied to a data store of the remote server related to the vessel identity information.

A method for automatically electronically associating vessel identity information of a vessel with an unassociated telemetric device, the unassociated telemetric device comprising a processor and being configured to detect and transmit quantity or usage data and being configured with a location sensing device, wherein the unassociated telemetric device is configured to communicate with a remote server, the method comprising the steps of: the remote server receiving the vessel identity information comprising a deployment location for the unassociated telemetric device; the unassociated telemetric device operating in accordance with an automatic action rule; in response to the unassociated telemetric device operating in accordance with the automatic action rule, the processor receiving location information of the unassociated telemetric device from the location sensing device; the unassociated telemetric device transmitting the location information; the remote server receiving the location information; the remote server correlating the location information with the vessel identity information when resolving that the location information represents that the unassociated telemetric device is within a proximity to the deployment location, and the remote server automatically electronically associating the unassociated telemetric device with the vessel identity information, resulting in the unassociated telemetric device becoming an associated telemetric device, so that when the associated telemetric device generates quantity or usage information, the quantity or usage information transmitted by the associated telemetric device is applied to a data store of the remote server related to the vessel identity information.

A method for automatically electronically associating vessel identity information of a vessel with an unassociated telemetric device, the unassociated telemetric device comprising a processor and being configured to detect and transmit quantity or usage data and being configured with a location sensing device, wherein the unassociated telemetric device is configured to communicate with a remote server, the method comprising the steps of: the remote server receiving the vessel identity information comprising a deployment location for the unassociated telemetric device; the unassociated telemetric device operating in accordance with an automatic action rule; in response to the unassociated telemetric device operating in accordance with the automatic action rule, the processor receiving location information of the unassociated telemetric device from the location sensing device; the unassociated telemetric device transmitting the location information; the remote server receiving the location information; the remote server correlating the location information with the vessel identity information when resolving that the location information represents that the unassociated telemetric device is within a proximity to the deployment location, and the remote server automatically electronically associating the unassociated telemetric device with the vessel identity information, resulting in the unassociated telemetric device becoming an associated telemetric device, so that when the associated telemetric device generates quantity or usage information, the quantity or usage information transmitted by the associated telemetric device is applied to a data store of the remote server related to the vessel identity information.

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.

A propane tank gauge assembly includes a fitting that has a nozzle and a coupler surrounding the nozzle thereby facilitating the fitting to be fluidly coupled to an output port of a propane tank. A hose is fluidly coupled to the nozzle and a gauge is attached to the hose such that the gauge is in fluid communication with the interior of the propane tank when the fitting is fluidly coupled to the output port of the propane tank. The gauge has indicia applied to a face of the gauge and the indicia comprise low level indicia, medium level indicia and high level indicia. The gauge has a needle that is urged to point at a respective one of the low level indicia or the medium level indicia or the high level indicia to visually communicate the volume of liquid propane in the propane tank.

Provided is a portable gas cylinder including a gas tank having an upper portion, a lower portion, and a collar, the collar including a base secured to the lower portion, a flange extending around and radially outwardly from the base, and a plurality of notches circumferentially spaced around the flange, and a foot ring configured to be attached to the gas tank, the foot ring including a base having an inner surface, an outer surface, a central portion, and a ledge extending around and inward from the central portion, a plurality of circumferentially spaced deflectable longitudinal lock tabs radially outwardly spaced from the central portion for securing the foot ring to the tank, and a plurality of circumferentially spaced rotational lock tabs radially outwardly spaced from the central portion.

A liquefied hydrogen transport method includes connecting first and second loading arms to the manifold while vacuum insulation double tubes of the first and second loading arms are filled with hydrogen gas and air is mixed in piggyback lines; supplying an inactive gas to one of the piggyback lines of the first and second loading arms and taking in a gas mixture of an inactive gas and air from the other of the piggyback lines of the first and second loading arms; supplying hydrogen gas to one of the piggyback lines of the first and second loading arms and taking in a gas mixture of hydrogen gas and an inactive gas from the other of the piggyback lines of the first and second lading arms; and transporting liquefied hydrogen through any one of the vacuum insulation double tubes of the first and second loading arms.

A system and method for determining hydrogen production to provide energy to at least one vehicle that include determining that at least one vehicle is arriving towards a vehicle energy station. The system and method also include determining if the vehicle energy station includes a sufficient amount of hydrogen to refuel the at least one vehicle arriving towards the vehicle energy station. The system and method further include controlling production of hydrogen by the vehicle energy station if it is determined that the vehicle energy station includes an insufficient amount of hydrogen to refuel the at least one vehicle arriving towards the vehicle energy station.

To provide a gas filling method in which it is possible to estimate a volume of a tank with high accuracy even when the tank has a small volume. A hydrogen filling system includes a hydrogen station having a pressure accumulator of compressed hydrogen gas, a vehicle having a hydrogen tank, a connection tube system that connects the accumulator and the tank, and a flow rate sensor and a station pressure sensor provided on the connection tube system. A hydrogen gas filling method is a method of filling the tank with the hydrogen gas from the pressure accumulator and includes estimating a volume of the hydrogen tank based on detection values of the flow rate sensor and the station pressure sensor and a volume value of the connection tube system, after a start of filling of the hydrogen tank with the hydrogen gas from the pressure accumulator.

To provide a filling apparatus capable of eliminating a disadvantage caused by a cable connecting a photodetector to a receiver. A filling apparatus 100 according to the present invention includes a radio transmission section 10 with a function of transmitting vehicle information via radio transmission on a filling nozzle 50. In the filling apparatus 100, it is preferable that the radio transmission section 10 is detachably attached to the end portion 50A of the filling nozzle 50.