F17C2260/025

Method and system for tank refueling using dispenser and nozzle readings
11313514 · 2022-04-26 · ·

A plurality of sensors detect a plurality of fuel temperatures at a filling station, and a controller communicates with the sensors to identify the fuel temperatures, uses the fuel temperatures to determine a plurality of candidate fill times, and compares the candidate fill times to identify a control value for controlling a delivery of fuel. The fuel temperatures include a first fuel temperature corresponding to a first location at the filling station and a second fuel temperature corresponding to a second location at the filling station, and the candidate fill times include a first candidate fill time corresponding to the first fuel temperature and a second candidate fill time corresponding to the second fuel temperature.

DEVICE AND METHOD FOR FILLING PRESSURIZED GAS TANKS

Device and method for filling pressurized gas tanks, particularly vehicle pressurized hydrogen tanks, the device comprising a liquefied gas source, a transfer circuit comprising two parallel transfer lines each having an upstream end linked to the liquefied gas source, at least two separate downstream ends intended to be each removably connected to a tank to be filled, each of the two transfer lines comprising: a pump, a vaporizer for evaporating the pumped fluid, a branch for bypassing the vaporizer and a distribution valve(s) set configured to control the flow of fluid pumped and distributed between the vaporizer and the branch line, the device further comprising a storage buffer(s), which storage buffer(s) is(are) connected in parallel to each of the two transfer lines via a set of valves.

HYDROGEN FILLING STATION CONTROL SYSTEM AND METHOD AND HYDROGEN FILLING STATION

A hydrogen filling station control system and method of use, and a hydrogen filling station comprising the system. The system includes: a first compressor, a second compressor, a first storage tank, a detector and a controller, wherein discharge pressure of the first compressor is smaller than a gas storage pressure of the first storage tank, discharge pressure of the second compressor is larger than or equals the gas storage pressure of the first storage tank, the first compressor and the second compressor are connected to the first storage tank, and the detector is configured to detect pressure of the first storage tank. The controller is configured to control the first compressor to inflate and pressurize the first storage tank and control, when the first storage tank equals a first preset pressure, the second compressor to inflate and pressurize the first storage tank. Reduced costs and power consumption can be realized.

MOTOR VEHICLE COMPRESSED GAS TANK

A method for producing a compressed gas tank for a motor vehicle includes inserting a bundle of heat-conducting elements through an opening in a housing of the compressed gas tank and exerting a force on the bundle that radially expands the bundle within the housing beyond the size of the opening. The heat-conducting elements may be helically wound about a central axis when inserted through the opening with a torsional force applied to unwind the elements while radially expanding and reducing axial length of the bundle. A compressed gas tank for a motor vehicle includes a plurality of heat-conducting elements including at least one tube within a tank housing that extend axially along the tank and radially within the housing to a size exceeding an opening of the housing. The tube is configured to circulate coolant to cool compressed gas within the tank.

System and method for refueling a vehicle tank with liquefied petroleum (LP) gas

A vehicle has a fuel system that includes a controller that determines when the vehicle is in a refuel mode or a run mode based on a connection of a refuel nozzle to a vehicle connection of the vehicle. The controller controls a fuel pump input selector, a vehicle fuel pump, and a fill/run fuel selector such that fuel is pumped from a storage tank external to the vehicle into a vehicle fuel tank by way of the vehicle fuel pump in the refuel mode, and fuel is pumped to an engine of the vehicle from the vehicle fuel tank by way of the vehicle fuel pump in the run mode.

LARGE-SCALE HYDROGEN REFUELING STATION

The invention relates to a large-scale hydrogen refueling station comprising at least one supply storage, a plurality of compressor modules comprising a local controller, a plurality of dispenser modules, and a hydrogen production system comprising a hydrogen production system controller mutually connected by one or more flow paths. Wherein one of the controllers facilitates control of valves and thereby flow of hydrogen gas in the flow paths between the at least one supply storage, compressor modules, dispenser modules and hydrogen production system. Wherein the control of the valves enables flow of hydrogen gas in at least three of the flow paths simultaneously.

Gas charging device

A control device of a gas charging device controls opening/closing of a control valve so that pressure increase rate of gas pressure in a tank when gas charging to the tank increases at a reference increase rate determined in advance. The control device, when gas charge to the tank begins, controls pressure increase rate at a high increase rate higher than the reference increase rate. After the difference between gas pressure in the tank when gas charging is performed at the high increase rate and gas pressure in the tank when the charging is performed at the reference increase rate has reached a predetermined pressure difference, the control device controls the opening/closing of the control valve so that gas charge to the tank is performed at the reference increase rate.

Repowering system for vehicles and vessels
11654768 · 2023-05-23 · ·

A system for retaining a plurality of compressed gas cannisters for fueling a vehicle is provided, the system comprising: a base which includes: a plate including a distal end and a proximal end; a base engagement member at the distal end of the plate; and a first mating member proximate the proximal end; a cassette which includes: a top; a first side; a second side; a front; a back; a bottom to define an interior, the interior for housing the plurality of compressed gas cannisters; at least one fork pocket mounted on one of the top, the bottom or the back, the fork pocket extending from a distal end a distance; a plurality of gas cannister apertures extending between the interior and an ambient environment, wherein the bottom includes a bottom engagement member which extends outward beyond the first side at the distal end; a locking mechanism proximate the distal end; and a second mating member proximate a proximal end, wherein the first mating member and the second mating member are in pivotal engagement in use.

Hydrogen filling apparatus
11808410 · 2023-11-07 · ·

A hydrogen filling apparatus that can quickly fill vehicles equipped with multiple large-capacity fuel tanks with hydrogen gas while complying with filling protocol. The hydrogen filling apparatus (100) of the present invention includes: a plurality of filling systems; a filling control device (10, 20) for each of the filling systems; a filling pipe communicating with a rear facility in each of the filling systems; a set of filling members (for example, flow control valves, flow meters) interposed in each of the filling pipes and connected to each of the filling control devices; and a filling hose connected to each of the filling pipes, each filling hose having a filling nozzle at a tip; wherein one of the plurality of filling control devices has a function of selectively exerting a first control mode that controls only the filling system including the filling control device and a second control mode shared as a control device for the plurality of filling systems, and a switching means for switching between the first control mode and the second control mode in the one of the filling control devices is provided.

Storage tank for cryogenic liquid
11802664 · 2023-10-31 · ·

A storage tank for cryogenic liquid includes an outer tank constructed of a rigid material and an inner tank contained within and spaced inwardly from the outer tank. A supply line supplies cryogenic liquid to a plurality of cryogenic freezers. A fill line having a diameter greater than the supply line allows the storage tank to be filled at a greater speed relative to filling through the supply line and allows the storage tank to be filled while supply cryogenic liquid to the cryogenic freezers. A level sensor processes an impedance to calculate a level of the inner tank and a reporting unit displays the level and may report the level to a remote server.