3355results about "Vessel mounting details" patented technology

The invention relates to a hydrogen storage pellet enabling the production of compact, modular, safe and energy-efficient hydrogen reservoirs. The pellet according to the invention comprises a peripheral ring (4) having an outer diameter of expanded natural graphite (ENG) of a determined height, surrounding a wafer of a metal hydride (5) in the form of compacted powder.

A nozzle includes a nozzle bayonet with a warm seal positioned at a distal end and a nose seal positioned at a proximal end so that a distal passage is defined between the warm and nose seals. The nozzle also includes a nozzle poppet valve. Purge and vent lines are in fluid communication with the distal passage. A receptacle includes a receptacle poppet valve, a receptacle inner tube and a receptacle outer tube with a receptacle insulation space defined therebetween. A coupling space is defined between an outer casing and the receptacle outer tube. The receptacle coupling space receives the nozzle bayonet. The receptacle sequentially engages the warm seal and the nose seal of the nozzle during insertion of the nozzle bayonet into the receptacle coupling space with the nozzle and receptacle poppets engaging to open the nozzle and receptacle poppet valves when the nozzle bayonet is fully inserted into the receptacle coupling space.

The invention discloses a hydrogen supply and energy storage device which comprises a hydrogen storage tank body, a gaseous hydrogen storage tank is installed in the hydrogen storage tank body, a liquid hydrogen storage tank is installed on the hydrogen storage tank body, a supporting plate is fixedly connected to the hydrogen storage tank body, and a cooling liquid storage box is installed at the top end of the supporting plate. A transverse plate is fixedly connected to the side wall of the cooling liquid storage box, metal cooling fins are arranged on the side wall of the transverse plate, and the cooling device further comprises a cooling circulation assembly and an air blowing cleaning assembly. A motor drives a first sector gear to rotate, the first sector gear is alternately engaged with a transmission gear and a driven gear, so that a rotating shaft drives metal heat dissipation fins to rotate for heat dissipation, and meanwhile, the driven gear drives cooling liquid to circularly flow in a sealing pipe, a cooling pipe and a liquid inlet pipe through a connecting rod and a piston rod; and cold airflow generated by the fan is used for dissipating heat of the hydrogen conveying pipe, so that the heat dissipation effect is improved.

Disclosed is a method of fastening a cap of a container, the method including: specifying a screw thread engagement point of a cap and a neck ring of a container; and aligning the engagement point with a fastening start position of the cap and fastening the cap to the neck ring, in which the specifying of the engagement point includes detecting the engagement point by rotating the cap in a reverse direction in a state where the cap is seated on the neck ring.

A fluid storage and supply device comprising a cryogenic reservoir for storing liquefied fluid, a withdrawing circuit comprising a first withdrawing pipe having a first upstream end connected to the upper part of the reservoir and a second downstream end intended to be connected to a user member, the first withdrawing pipe comprising a first heating heat exchanger situated outside the reservoir and a second heating heat exchanger situated inside the reservoir, the withdrawing circuit comprising a set of valve(s) configured to ensure the passage of a flow of fluid circulating from the first end towards the second end by passing through the first heat exchanger and then through the second heat exchanger or by passing solely through the first heat exchanger without passing through the second heat exchanger, characterized in that the device further comprises a system for pressurizing the reservoir comprising a pressurizing pipe separate from the withdrawing circuit and comprising two ends respectively connected to the upper and lower parts of the reservoir, a vaporizing heat exchanger and a set of valve(s) configured to allow the withdrawal of liquid from the reservoir, the heating thereof in the vaporizing heat exchanger and the reintroduction thereof into the reservoir.

A refuse vehicle includes a chassis. The chassis includes a right frame member and a left frame member spaced apart in a lateral direction and extending lengthwise in a longitudinal direction, the right frame member being separate from the left frame member. The refuse vehicle further includes a body supported by the right frame member and the left frame member, the body defining a refuse compartment, and a hydrogen power system including a plurality of fuel cells longitudinally disposed along the chassis, positioned between the right frame member and the left frame member. The hydrogen power system may also include plurality of fuel pods for providing hydrogen to the fuel cells. The hydrogen power system can be packaged in modular pods on various locations of the refuse vehicle. The hydrogen power system can work in conjunction with other power sources or fuels (e.g., electric batteries, ultra-capacitors, diesel ICE, CNG, etc.).

An underground storage system for storing fluid includes a hole having a bottom, a support element including at least one opening able to receive a joining element, at least one reservoir having a longitudinal axis, a bottom end and a top end, a first closure able to close the reservoir at its bottom end, and a second closure able to close the reservoir at its top end. The top end is able to be joined to the support element via the joining element such that the reservoir is hung inside the hole and such that an axial clearance able to absorb axial thermal expansion of the reservoir remains between the first closure and the bottom.

The present disclosure provides systems and methods for monitoring for a stuck valve. Various temperature and pressure sensors are used to monitor for a stuck valve in one or more tanks of hydrogen gas.

Disclosed is a collar for mounting on a top portion of a pressurized tank. The collar comprises: a body, a fastening system and a rotatable lid disposed on the collar. Further provided is a collar with a window cut-out for viewing tank data and a regulator mounting clip for securing a regulator of the tank in place during use.

The invention relates to a pressure vessel (1), comprising a vessel body (3), wherein at an upper end of the vessel body (3) an end region (2) is formed in one piece with the vessel body (3), which has an opening (O), and a fastening structure (9) for a valve (6) formed on the inside of a wall (2.1) surrounding the opening (O) of the end region (2). According to the invention, two outflow openings (SO) are formed opposite each other in the wall (2.1) surrounding the opening (O) of the end region (2).

A liquid cryogen stored in a liquid cryogen space of a closed insulated cryogenic storage vessel is subcooled by allowing it to enter into a conduit disposed in the liquid cryogen space where it is expanded by a pressure reducer in the conduit, thereby producing a cooled biphasic mixture of the cryogen in liquid and vaporized forms. The cooled biphasic mixture has a temperature lower than that of the liquid cryogen in the liquid cryogen space. Heat is transferred across the conduit from the liquid cryogen in the liquid cryogen space to the cooled biphasic mixture.

The invention discloses a storage tank pressurization control method and system based on LNG gas station fuzzy self-adaptive PID control, and aims to solve the technical problems that a traditional pressurization control method of an LNG storage tank is low in control precision, poor in stability and rapid in equipment abrasion. According to the control method, dynamic compensation for the target pressure is introduced, so that the system can aim at a more accurate control target in the initial stage, the steady-state control deviation is reduced, and the control precision is improved. And static pressure head change disturbance caused by liquid level change is overcome through dynamic compensation, the adjusting burden of the controller is reduced, the controller can focus on processing other dynamic disturbance, and therefore the control process is more stable, and overshoot is smaller. Through the design of a dynamic compensation mechanism and a special fuzzy rule base, the system can automatically adapt to various complex working conditions, and fast, stable and overshoot-free pressure control is always kept. Therefore, frequent and large-amplitude action and surge phenomena of the valve are avoided, and the energy consumption of an executing mechanism is reduced.

This disclosure includes compressed-gas fuel system cabinets, each having a frame and a cover coupled together via fasteners to support and contain compressed-gas fuel system components, such as fuel pressure vessels. The frame, cover, and / or fasteners can be configured to facilitate assembly of the cabinet—in terms of safety and / or speed—and / or access to or servicing of the components contained within the cabinet.

The invention discloses an IV-type hydrogen storage cylinder system suitable for an unmanned aerial vehicle, and relates to the technical field of hydrogen storage cylinder installation. The IV-type hydrogen storage cylinder system suitable for the unmanned aerial vehicle comprises a shell, an IV-type hydrogen storage cylinder is placed in the shell, and an opening is formed in one end of the shell; the top cover is fixed to the opening of the shell so that the IV-type hydrogen storage cylinder can be placed to be separated from the opening. And the supplementing and resetting assembly is arranged between the top cover and the IV-type hydrogen storage cylinder. The supplementing and resetting assembly is arranged between the top cover and the IV-type hydrogen storage cylinder, hard collision between the top cover and the IV-type hydrogen storage cylinder is avoided, when the IV-type hydrogen storage cylinder expands, the supplementing and resetting assembly is compressed, and when the IV-type hydrogen storage cylinder contracts, the supplementing and resetting assembly is stretched, so that the top cover and the IV-type hydrogen storage cylinder are effectively protected. Therefore, the supplement reset assembly always provides supporting force for the position between the top cover and the IV-type hydrogen storage cylinder, looseness of the IV-type hydrogen storage cylinder during fixing is avoided, and the fixing stability of the IV-type hydrogen storage cylinder is improved.

An outlet assembly for hybrid pressure and flow regulation includes a first orifice of a first size, a second orifice of a second size that is larger than the first size, and a mechanism that automatically moves the first orifice between a first position, a second position, and a third position. When the first orifice is in the first position, the flow of gas passes through the first orifice, which regulates a flow rate of the flow of gas through the second orifice. When the first orifice is in the second position, the flow of gas primarily bypasses the first orifice and flows through the second orifice with a first specific flow rate. When the first orifice is in the third position, the flow of gas primarily bypasses the first orifice and flows through the second orifice with a second specific flow rate.

Disclosed in the present disclosure is a multi-position controlled airway valve, including a venting control member; a valve body, provided with a fluid channel and a venting channel, in which the venting control member is provided on the venting channel; a valve core assembly, mounted in the fluid channel, controlling the fluid channel to switch between a connected state and a sealed state, wherein the valve core assembly in a filling mode controls the fluid channel to be in the connected state and abuts against the venting control member so as to keep the venting channel to be in a ventilated state. Disclosed is also a refilling device applied with the multi-position controlled airway valve and a refilling system applied with the refilling device, so as to achieve the objective of removing air and residual gases promptly when refilling with new fuels.

A valve has a body having an inlet, an outlet, and chamber. The inlet is in fluid communication with the chamber and the chamber is in fluid communication with the outlet. The valve has a stem designed to be received in the chamber. The valve stem has a valve surface. A corrosion-resistant or nonreactive sleeve is inserted into the inlet. The sleeve has a first end and a second end opposite the first end and a bore that extends from the first end to the second end. When the sleeve is inserted into the inlet, the second end extends into the chamber and is configured to be deformed within the chamber to secure the sleeve in the inlet. The deformed second end defines a valve seat configured to engage the valve surface of the stem.

A system and method for hydrogen storage, and delivery. The system includes a hydrogen storage tank, a first pump disposed within the hydrogen storage tank, and a second pump disposed outside of the hydrogen storage tank. The hydrogen storage tank is to store gaseous hydrogen and liquid hydrogen. The first pump is to pump out liquid hydrogen out of the storage tank, producing a low pressure flow. The second pump is to receive this low pressure flow and produces a high pressure flow of liquid hydrogen. The system can also include a thermal device disposed within the hydrogen storage tank to heat gaseous hydrogen when a pressure within the hydrogen storage tank drops below a predetermined minimum pressure. The system can also include a heat exchanger to receive the high pressure flow of liquid hydrogen from the second pump.

The invention relates to a system for storing liquid hydrogen and for distributing gaseous hydrogen, comprising a source of liquid hydrogen (20), at least two gaseous hydrogen tanks (31-35) to be filled and a transfer device comprising: a transfer unit (25) configured to transfer liquid hydrogen from the hydrogen source (20) to any of the tanks, a vapour compressor (10) having a first upstream end and a second downstream end fluidly connected to each of the tanks, a set of valves (51-55), a control device configured to issue a command to transfer the liquid hydrogen and to open and / or close one or more valves (51-55), the compressor (10) being arranged so as to transfer vapours created during filling from any tank to each of the other tanks in succession, by compressing the vapors to a pressure greater than the pressure in the tank during filling.

The present disclosure provides systems and methods for storing, transporting, and using hydrogen. In some embodiments, the method may comprise (a) storing hydrogen fuel in one or more fuel storage modules; (b) transporting the one or more fuel storage modules to a vehicle fueling site, wherein one or more hydrogen fuel compatible vehicles are located at or near the vehicle fueling site; (c) loading the one or more fuel storage modules into the one or more hydrogen fuel compatible vehicles, wherein the one or more fuel storage modules are configured to be releasably coupled to the one or more hydrogen fuel compatible vehicles; and (d) decoupling the one or more fuel storage modules from the one or more hydrogen fuel compatible vehicles after the one or more fuel storage modules are depleted or partially depleted.

A breakaway valve for a cryogenic fluid tank includes a tank-side valve and a nozzle-side valve. The tank-side valve is connected to and forms a first vacuum-insulation layer with a first jacketed hose. The first jacket support includes first bellows configured to reduce heat transfer with the first vacuum-insulation layer and one or more first bellow supports that include first teeth inserted between and engaging the first bellows to provide structural support to the first bellows. The nozzle-side valve is connected to and forms a second vacuum-insulation layer with a second jacketed hose. The second jacket support includes second bellows configured to reduce heat transfer with the second vacuum-insulation layer and one or more second bellow supports that include second teeth inserted between and engaging the second bellows to provide structural support to the second bellows.

The invention discloses a solid-gas coupling hydrogen storage system and a flow and pressure coordinated regulation and control method thereof. The system comprises a gaseous hydrogen storage tank, a solid hydrogen storage tank, a hydrogen coupling regulation and control device, a hydrogen buffer tank, a solid hydrogen storage thermal management system, a high-pressure proportional valve, a low-pressure proportional valve, a three-way valve and a hydrogen storage valve. The gaseous hydrogen storage tank is connected with the hydrogen coupling regulation and control device through a pipeline, and high-pressure hydrogen is conveyed to the high-pressure inlet end of the hydrogen coupling regulation and control device. The low-pressure inlet end of the hydrogen coupling regulation and control device is connected with the solid hydrogen storage tank through a pipeline, and the outlet end of the hydrogen coupling regulation and control device is connected with the hydrogen buffer tank through a pipeline; and the pipelines of the gaseous hydrogen storage tank and the solid hydrogen storage tank are simultaneously connected with the three-way valve. According to the system, efficient and safe hydrogen storage and supply are achieved through the synergistic effect of all the components, and reliable technical innovation and support are provided for hydrogen energy application.

A hydrogen gas supply apparatus according to one aspect of the present invention includes a compressor configured to compress hydrogen gas and supply the hydrogen gas compressed to a pressure accumulator which accumulates the hydrogen gas, an adsorption column disposed between the discharge port of the compressor and the pressure accumulator, and configured to include an adsorbent for adsorbing impurities in the hydrogen gas discharged from the compressor, and a plurality of valves disposed at the gas inlet / outlet port side of the adsorption column, being at a discharge port side of the compressor, and configured to be able to seal the adsorption column, wherein the space in the adsorption column is sealed using the plurality of valves such that the inside of the adsorption column is maintained to have a high pressure by the hydrogen gas compressed in the case where the compressor is stopped.

The present invention discloses a solid-state hydrogen storage and discharge device with enhanced heat exchange and easy loading and unloading, which has the following features: a method of enhancing heat exchange by adopting a fluid jacket layer outside the container shell and an external and internal heat exchange jacket core of a central axis return pipe, and rapidly introducing or removing heat from the entire surface of the hydrogen storage filler through heat conduction of a heat transfer metal tray; processing a plurality of longitudinal ventilation holes on the heat transfer metal tray and the hydrogen storage filler to reduce airflow resistance, greatly increase the specific surface area of ​​the hydrogen storage filler, and improve the hydrogen storage rate; punching increases the expansion space capacity of the hydrogen storage alloy medium, thereby reducing the external expansion rate of the hydrogen storage medium block, reducing internal stress, and preventing it from extruding and agglomerating and failing; due to the clamping and support of the heat transfer metal trays between the layers, and the slowing of temperature rise and fall and temperature gradient, the hydrogen storage filler is not easy to break into powder, and its service life is greatly extended; the layered and discrete combination of the filler and the tray simplifies the operation of loading or pulling out the filler, and it becomes quite easy to replace the hydrogen storage filler partially or completely.

The invention relates to a method for conveying a cryogen (H2) from a storage container (2) to a load (3), having the following steps: a) introducing (S1) the cryogen (H2) from the storage container (2) into a conditioning container (8, 9, 10), b) bringing (S2) the cryogen (H2) received in the conditioning container (8, 9, 10) to its supercritical state, and c) discharging (S3) the cryogen (H2) from the conditioning container (8, 9, 10) to the load (3). The cryogen (H2) received in the conditioning container (8, 9, 10) is kept in the supercritical state during step c) in that a part of the cryogen (H2) is removed from the conditioning container (8, 9, 10), heated, and returned to the conditioning container (8, 9, 10) using a pressure build-up system (28, 29, 30), wherein the cryogen is received in a volume (31, 33) of the pressure build-up system (28, 29, 30) and is enclosed between valves (V5.1, V6.1; V5.1, V7.1) in the volume (31, 33), heat is supplied to the cryogen enclosed in the volume, and when a desired target pressure of the enclosed cryogen is reached, the cryogen is returned to the conditioning container (8, 9, 10).

The invention belongs to the technical field of hydrogen energy, and particularly relates to a solid hydrogen storage system with two charging and discharging ends and a working method.The solid hydrogen storage system comprises at least two independent solid hydrogen storage units, and each solid hydrogen storage unit independently communicates with an upstream hydrogen supply pipeline through a first valve set and independently communicates with a downstream hydrogen using pipeline through a second valve set; each solid hydrogen storage unit is selectively communicated with the thermal circulation loop or the cold circulation loop through a third valve group; the first valve group, the second valve group and the third valve group are controlled, so that when the upstream hydrogen supply pipeline has a hydrogen supply demand and the downstream hydrogen use pipeline has a hydrogen use demand, the first solid hydrogen storage unit is configured to be in a hydrogen charging mode, and meanwhile, the second solid hydrogen storage unit is configured to be in a hydrogen discharging mode; the solid hydrogen storage unit in the hydrogen charging mode is communicated with the upstream hydrogen supply pipeline and the cold circulation loop for charging hydrogen, and the solid hydrogen storage unit in the hydrogen discharging mode is communicated with the downstream hydrogen supply pipeline and the hot circulation loop for discharging hydrogen.

A pressure relief device for a high-pressure vessel comprises: a cap member having a space part formed therein; and a piston member having a first chamber part, and dividing the space part of the cap member into a second chamber part and a third chamber part, and thus, when fusible alloy is molten, the molten fusible alloy sequentially flows into the first chamber part and the second chamber part so that leakage of the molten fusible alloy to the outside can be prevented.

The invention discloses a film type liquid cargo containment system which comprises a plane insulation module, a corner insulation module and a nitrogen pipeline, the plane insulation module and the corner insulation module are fastened on the inner wall of a storage tank cabin, and each of the plane insulation module and the corner insulation module is composed of a main layer insulation module and a secondary layer insulation module. The main layer insulation module is fixed above the secondary layer insulation module to form step surfaces, a first bridging module, a second bridging module and a corner region bridging module are respectively mounted on the step surfaces at different positions, and nitrogen pipe mounting grooves are formed in the first bridging module, the second bridging module and the corner region bridging module through which a nitrogen pipeline passes; the arranged nitrogen pipe mounting grooves are connected to form a nitrogen arrangement pipeline; the invention further discloses a nitrogen pipeline mounting method. According to the thin film type liquid cargo containment system, the nitrogen pipelines are embedded in the bridging modules, so that the flatness of the upper surface of the main layer insulation structure of the containment system can be kept, and the thin film type liquid cargo containment system is adaptive to more types of corrugated plate structures.

A diffuser for separating a gas component and a liquid component of a liquid-gas mixture to reduce slosh in vehicle systems is described herein. The diffuser includes a wall with a gas end, a liquid end, and multiple vanes partially extending from the liquid side to the gas side. The vanes are spaced apart from each other by a given distance to permit the liquid to flow toward the liquid end via capillary action.

The invention relates to the technical field of hydrogen energy storage and transportation, and discloses a hydrogen storage system convenient for hydrogen charging and discharging regulation, comprising: a gas input module comprising a gas discharging column unit, a buffer tank and a connecting unit, the gas discharging column unit being connected with a tube bundle vehicle by using a ferrule type quick joint, a compression module comprising a first hydrogen compressor unit and a second hydrogen compressor unit, the second hydrogen compressor unit adopts a water-cooling diaphragm structure, the hydrogen storage module comprises a first hydrogen storage bottle group unit and a second hydrogen storage bottle group unit, and the second hydrogen storage bottle group unit is divided into three-stage storage, a gas distribution and control module, a safety guarantee module, a monitoring module and an auxiliary module. Through a gas discharging column double-path parallel interface of the gas input module and the temperature compensation type pressure gauge, and in combination with a check valve and a rupture disk of the buffer tank, the damage of high-pressure impact to equipment is avoided, so that the equipment is prevented from being damaged by the high-pressure impact, and the service life of the equipment is further prolonged.