F17C2223/036

High pressure tank

A high pressure tank includes: a container body including dome parts; a reinforcement layer provided on an outer surface of the container body and including fiber-reinforced resin; and a protective member provided on an outer surface of the reinforcement layer, wherein the protective member includes a first layer disposed at the outer surface of the reinforcement layer that covers at least a part of the dome parts, and a second layer disposed outward of the first layer. The first layer is more deformable due to the same load applied from the outside than the second layer is.

Device and process for refueling containers with pressurized gas

A device and process for refuelling containers comprising a pressurized gas source, a transfer circuit intended to be removably connected to a container, the device comprising a refrigeration system comprising a refrigerant cooling loop circuit comprising, arranged in series, a compressor, a condenser section, an expansion valve and an evaporator section, the refrigeration system comprising a cold source in heat exchange with the condenser section and a heat exchanger located in the transfer circuit, the refrigerant cooling loop circuit comprising a bypass conduit comprising an upstream end connected to the outlet of the compressor and a downstream end connected to the refrigerant cooling loop circuit upstream the compressor inlet, the device further comprising a bypass regulating valve for controlling the flow of refrigerant flowing into the by-pass conduit, the device comprising a pressure sensor for sensing the refrigerant pressure in the cooling loop circuit between the compressor inlet and the heat exchanger outlet, notably at the inlet of the compressor, the device comprising an electronic controller configured for regulating the suction pressure at the inlet of the compressor via the control of the compressor speed and the opening of the bypass valve.

Pressure vessel mounting structure
11508974 · 2022-11-22 · ·

A pressure vessel mounting structure includes: a manifold including a discharge gas passage branching from a general passage via which a container body communicates with a valve; a fusible plug valve configured to close the discharge gas passage and to, when the fusible plug valve is melted, open the discharge gas passage such that the high-pressure gas is discharged; a case including a bottom face portion covering the container body and the manifold from below in the vehicle up-down direction, the case including a bead placed near the fusible plug valve, the bead being formed by protruding a part of the bottom face portion upward in the vehicle up-down direction; and a communicating opening via which a space under a floor of a vehicle communicates with the fusible plug valve, the communicating opening being formed in a part of the bead, the part facing the fusible plug valve.

Hydrogen fueling station priority panel with cooling

A flow control panel configured to control the flow of fuel from a storage bank to a dispense includes a cold fuel controller, a dispenser port, and a processor. The cold fuel controller is configured to control the flow of cold fuel from a cold fuel line. The dispenser port is in fluid communication with the cold fuel controller. The processor is configured to receive an indication of fuel temperature within a dispenser and activate the cold fuel controller to allow the cold fuel from the cold fuel line to flow to the dispenser port when the indication of fuel temperature within the dispenser exceeds a maximum temperature determined by the dispenser.

PRESSURIZED FLUID STORAGE AND DISPENSING ASSEMBLY FOR A VEHICLE

The invention relates to a pressurized fluid storage and dispensing assembly (1) for a vehicle, comprising: a plurality of pressurized fluid reservoirs (3), each reservoir (3) comprising a first end piece (13) provided with at least one fluid passage duct configured for dispensing fluid from the reservoir (3) and for filling the reservoir (3), a use collector duct (5) which comprises an opening (19) for supplying and/or dispensing fluid and a plurality of orifices, each orifice being configured to be fluidically connected to a reservoir (3) via its fluid passage duct, and an electrically operated valve (7) which is arranged at one end of the use collector duct (5) and selectively closes or opens the fluid passage through the opening (19).

The invention also relates to a vehicle comprising such a storage and dispensing assembly (1).

PRESSURIZED GAS TANK RECEIVING ASSEMBLY FOR A MOTOR VEHICLE
20230055646 · 2023-02-23 ·

The invention relates to a pressurized gas tank receiving assembly (1) for a motor vehicle (100) for cooling pressurized gas tanks (10), wherein the pressurized gas tank receiving assembly (1) comprises: a) a main body (20) with a plurality of supporting surfaces (22) in the form of channels for receiving the pressurized gas tank (10), wherein the main body (20) is thermally conductive and has a mounting interface (26) for arrangement on a counter mounting interface (126) of a body (120) of the motor vehicle (100), wherein the main body (20) has thermally conducting surfaces (24) for thermally communicating connection to the body (120), b) pressurized gas tanks (10) for storing gas under high pressure, wherein the pressurized gas tanks (10) are thermally conductive and are interlockingly received on the supporting surfaces (22) of the main body (20), which supporting surfaces are in the form of channels, for thermal communication with the main body (20).

METHOD FOR OPENING A VALVE ASSEMBLY FOR A FUEL TANK
20230056873 · 2023-02-23 ·

The invention relates to a method for opening a valve assembly for a fuel tank, comprising a pilot valve (V.sub.1) and at least one additional valve (V.sub.2), in particular for use in a fuel cell-operated vehicle, having the steps of applying (30) an amplification voltage (S.sub.1) in order to open the pilot valve (V.sub.1) in an opening phase (P.sub.1) of the pilot valve (V.sub.1), deactivating (32) the amplification voltage (S1) in order to terminate the opening phase (P.sub.1) of the pilot valve (V.sub.1), applying (34) a pull-in voltage (S.sub.2) in a pull-in phase (P.sub.2) of the pilot valve (V.sub.1) in order to hold the pilot valve (V.sub.1) open, and activating and deactivating (36) the pull-in voltage (S.sub.2) in an alternating manner in order to hold the pilot valve (V.sub.1) open and in order to open the at least one other value (V.sub.2) and hold same open in a readjustment phase (P.sub.3) such that the hold-open energy required on average for holding the pilot valve (v.sub.1) open and the opening energy and/or hold-open energy required on average for the at least one other valve (V.sub.2) is provided.

Pressure Vessel Assembly and Pressure Vessel System
20230053395 · 2023-02-23 ·

A pressure vessel arrangement includes a plurality of pressure vessels configured to store fuel, and a valve arrangement with at least one valve and a plurality of tank connectors. In the pressure vessel arrangement each pressure vessel of the plurality of pressure vessels is connected to one of the tank connectors. Further, in the pressure vessel arrangement the valve arrangement connects the tank connectors directly to one another and to the at least one valve, such that a fluid exchange which is not impaired at any time by way of a valve is brought about between the individual pressure vessels.

HIGH-PRESSURE GAS STORAGE AND SUPPLY DEVICE
20230059227 · 2023-02-23 ·

The present disclosure discloses a high-pressure gas storage and supply device. The disclosed high-pressure gas storage and supply device includes a plurality of gas storage tanks that store a high-pressure gas therein and selectively discharge the stored gas, and a gas transport pipe including tank inlet/outlet lines respectively connected to the plurality of gas storage tanks to fill the gas in the gas storage tanks or discharge the gas stored in the gas storage tanks. Thus, in the present disclosure, the gas may be filled in or discharged from the gas storage tanks by the same one tank inlet/outlet line, and thus a structure for filling or discharging the high-pressure gas can be simplified.

A hydrogen refueling station and method for refueling a hydrogen vehicle

A hydrogen refueling station including a first and a second dispensing module having first and second dispensing pressure detection means, where supply lines are fluidly connecting a storage module to an inlet compressor line and a compressor outlet line is fluidly connecting an outlet of the compressor to a dispensing line and thereby to the first and/or second dispensing module via output compressor valves, cascade lines are fluidly connecting the hydrogen storage module and the dispenser modules thereby configured for bypassing the compressor, where a controller is configured for controlling valves and thereby a fluid path from the hydrogen storage module to the dispensing modules, the controller is configured for controlling a bypass valve based on feedback from pressure detection means, from a first dispensing pressure detection means or from a second dispensing pressure detection means to establish a required pressure in the compressor outlet line.