200 results about "Closed system" patented technology

To provide a radio communication system and a communication method capable of safely relaying communication between a radio station connected to the Internet network and a radio station connected to a closed network.SOLUTION: The closed area system 11 and the cloud system 21 included in the wireless communication system 1 include a closed area side gateway server 13 and a cloud side gateway server 22. When receiving an authentication request from a radio station 41,42, a closed area side gateway server 13 and a cloud side gateway server 22 store activation information including unique information of the radio station 41,42 and generation information of an encryption key in a storage device 27. Regardless of whether the wireless station 41,42 is connected to the closed network 10 or the Internet network 20, the communication between the wireless station 41,42 and the closed system 11 or the cloud system 21 is protected by the encryption key generated based on the generation information included in the activation information.SELECTED DRAWING: Figure 1

The invention provides an automatic operation and maintenance method and system suitable for a closed system. The technical problem that a traditional operation and maintenance scheme is difficult to apply due to network isolation and sample scarcity in closed environments such as finance and energy is solved. The method comprises the following steps: generating a unique and traceable migration identifier for all operation and maintenance data, models and reasoning results through a data and migration management module; quantitatively calculating a transferability score between the source domain and the target domain through a transferability evaluation module; an optimal model migration strategy is dynamically selected according to the mobility score, and efficient self-adaption of the model is achieved; closed-loop operation and maintenance are executed through a multi-agent cooperation system comprising detection, diagnosis and repair agents, and self-learning and self-optimization of the system are realized through small sample active learning and a knowledge base evolution mechanism. According to the method, rapid construction, continuous evolution and whole-process traceability of the artificial intelligence operation and maintenance capability in the closed system are realized, and the method has remarkable innovativeness and industrial application value.

A system for transferring fluids, including a syringe adapter having a housing defining a first end, a second end, and a longitudinal axis extending from the fist end to the second end; a cannula positioned within the housing; a seal arrangement movably positioned within the housing; at least one locking element extending from the housing; and a vial adapter releasably attachable to the syringe adapter, the vial adapter including a body with a first end and a second end opposite the first end, wherein the first end is positionable within the housing of the adapter and the second end is configured to attach to a container; and at least one retention element coupled to the body, the retention element configured to rotationally receive the at least one locking element to restrict axial movement of the syringe adapter.

The invention provides a secure data exchange method and system for a closed system. The method comprises the following steps: acquiring a data request of a special data exchange client, performing security verification, if the security verification is passed, performing access permission level comparison, if the comparison is passed, executing data query operation to generate a to-be-exchanged data packet, splitting the to-be-exchanged data packet, encrypting the split to-be-exchanged data packet, generating a server traceability check code, and sending the server traceability check code to the special data exchange client; and the client generates a client traceability check code based on the received encrypted data block and the associated information, compares the client traceability check code with the server traceability check code, and decrypts to obtain plaintext data after the comparison is passed. According to the method, temporary permission fine management and abnormal behavior active monitoring can be provided at the same time, conversion from static protection to dynamic risk assessment and from fixed permission to intelligent permission regulation and control is achieved, the defects of a traditional scheme in the aspects of behavior recognition, permission control, data integrity guarantee and full-link monitoring are effectively overcome, and the method is suitable for popularization and application. And the security of data exchange of the closed system is improved.

Systems for dissolving CO2 into a liquid can be used in various applications. One of the challenges with incorporating CO2 as a treatment strategy is the footprint needed for a basin large enough to use traditional diffuser type technology to dissolve the CO2 at a relative low efficiency. A conical shaped transfer device can be used easily be used on a piping or closed system. The system operates by pumping a side stream of water through a conical shaped gas transfer reactor, such as a Speece Cone, where gaseous CO2 is fed into the cone and broken up into an intense bubble swarm by the velocity of the inlet water. The cone shape design slows the water velocity down to where the buoyant rise velocity of the bubbles is higher than the water velocity which suspends the bubbles inside the cone, providing sufficient contact time for the CO2 to dissolve.

A closed system centrifuge tube is described and discussed herein that enables removal of waste and transfer and removal of samples via one or more ports of the centrifuge tube within the closed system, without exposing the sample to the outer environment. This may enable greater sample retention during sample processing and centrifugation of the sample.

A closure system is disclosed for closing a container opening. The closure system includes a stopper member, a cage member for mounting to the container, and a spring member. The stopper member has a plug portion that tightly fits into the container opening and a cover portion that abuts a boundary surface adjacent to the container opening container. The stopper member plug portion is fitted into the container opening, the stopper member cover portion abuts the boundary surface of the container, and the cage member is mounted to the container to hold the stopper member, when the closure system is in an assembled state. The cage and spring members are arranged to position the spring member between the stopper member cover portion and the cage member such that the spring member pushes the cage member away from the cover portion when the closure system is in the assembled state.

The present invention provides an AutoCell Platform (ACP), an advanced, fully automated, functionally closed system designed to revolutionize the manufacturing of genetically modified cell therapies. This innovative platform integrates automation, closed-loop processing, and novel technologies to address the inefficiencies and high costs of traditional methods. Key features include automated centrifugal seeding for enhanced genetic modification efficiency, microbubble-assisted cell selection for precise cell isolation, and a modular design for scalable amplification across clinical and research environments. By reducing production timelines from 30-40 days to less than 3 days and orders of magnitude in cost, the ACP enables instant manufacturing, decentralization, and broader accessibility. Advanced quality control measures and standardized design ensure compliance and consistent therapeutic outcomes. The ACP supports a variety of applications from CAR-T therapies to regenerative medicine, representing a transformative leap in global accessibility of precision medicine and life-saving cell therapies.

The invention relates to a generation method, device, equipment and medium of a natural gas cause identification chart, in particular to the technical field of natural gas exploration, and the generation method comprises the following steps: performing a hydrocarbon generation simulation test on a hydrocarbon source rock sample to obtain gaseous analysis gas; performing natural gas composition analysis, natural gas C6-C8 light hydrocarbon composition analysis and natural gas C1-C5 carbon isotope and hydrogen isotope analysis on gaseous analysis gas, and drawing a gas component-gas component relational graph, a light hydrocarbon component-light hydrocarbon component relational graph and a hydrocarbon gas carbon isotope-carbon isotope relational graph of different closed systems; and screening parameters with differences to establish a natural gas cause identification chart of the high-over mature multi-closed system. According to the generation method provided by the invention, a hydrocarbon generation simulation experiment and oil-gas product chemical analysis are carried out, a multi-closed system natural gas cause identification chart is established, and theoretical support is provided for cover layer closure evaluation in regional oil-gas exploration, regional oil-gas resource evaluation and oil-gas-containing distant view and exploration field evaluation.

Feed and flush delivery devices are described for use in switching between delivery of enteral feeding fluid and flushing / hydration fluid to a patient, with both fluids being delivered through the same closed system. The delivery devices are simpler, easier to use, and are more cost effective than known prior art valves and control devices. Independent feed and flush lines are typically received by the delivery device, which merges the two lines into a single end delivery line so that either feeding or flushing fluid, but not both at the same time, can be conveyed through the end line, as desired and selected by the user. The delivery device is loaded onto the pumping mechanism of an enteral infusion pump, and can be part of a cassette which is used in combination with a particular brand of infusion pump.

This invention discloses a system and method for separating carbon dioxide gas using a hydrate method. The system includes: a reaction vessel with an inner and outer cavity structure, the outer surface of which is equipped with a constant temperature layer; an external circulation unit that injects a high-concentration TBAB solution into the inner cavity and forms type A TBAB hydrate crystals therein, while the hydrate slurry flows from the inner cavity into the outer cavity and is discharged from the outer cavity for reuse; an inlet unit that injects a low-temperature, high-pressure mixed gas containing CO2 into the inner cavity; and an internal circulation unit that injects a low-concentration TBAB solution into the inner cavity, converting type A TBAB hydrate into type B TBAB hydrate while simultaneously using type A TBAB hydrate crystals as inducing particles to undergo a hydration reaction with the mixed gas in the inner cavity; after the reaction, the hydrate slurry dissolves and captures CO2 while the remaining liquid phase is discharged for reuse. This invention reduces energy consumption and, by adding inducing crystal nuclei, effectively shortens the induction time, achieving a continuous process of introducing inducing crystal nuclei and generating hydrates in a closed system, effectively improving separation efficiency.

A closure system comprising: a pivotable gate (3); a gate post extending in an upright direction and comprising: a mounting foot configured to be mounted on a ground surface; and a bearing frame (11) extending in the upright direction with the pivotable gate being hingedly connected to the bearing frame, the bearing frame comprising at least two support members (52) which are located on opposite sides of the bearing frame; a mainly L-shaped actuator (4a, 4b) which is at least partially positioned inside the bearing frame and comprises: an output member (20, 21) engaging the pivotable gate; and further support members (55), wherein the actuator is supported inside the bearing frame by intercoupling of the support members. By virtue of the support members, the gate post and actuator can be readily assembled without requiring complex operations by common fixation elements.

A fastener driving tool that uses pressurized gas to drive a piston that causes a driver blade to force a fastener into a workpiece, and then uses an induction coil to "lift" the piston (as an armature) back toward the top, pre-drive position. The pressurized gas is not vented to atmosphere, but is instead re-used for multiple drive cycles. An optional induction coil can have multiple stages. A more preferred induction coil includes multiple stages, in which some of those coil stages extend beyond the end stroke of the piston, past a "ready" position for that piston.

The application belongs to the technical field of hot gas supply and discloses a hot gas supply device, which comprises a base plate, a supporting frame is fixedly arranged on the upper surface of the base plate, a through groove is fixedly arranged at the middle position of the top of the supporting frame, an electromagnetic plate is fixedly arranged on the inner wall of the through groove, an elastic switch is arranged at the middle position of one side of the electromagnetic plate, a horizontal plate is fixedly arranged at the end of the elastic switch away from the electromagnetic plate, a sliding block is fixedly arranged at one end of the horizontal plate, a moving rod is fixedly inserted into the middle part of the sliding block, and a sleeve plate is fixedly arranged at the bottom of the moving rod. In the application, the two symmetrical sleeve plates are used to fix the hot gas pipeline below the supply device, the moving rod drives the sleeve plates to move away from and close to the hot gas pipeline; when the pipeline expands to drive the sleeve plate to move away, the electromagnetic valve above is closed through the horizontal plate, the heat source or gas supply is timely cut off, the hot gas is prevented from continuously expanding in the closed system, the pressure limit of the equipment is prevented from being broken through, and the hose is prevented from being broken due to the extrusion of the hot gas.

The invention belongs to the technical field of functional powder material preparation, and discloses a preparation process of high-purity silicon carbide powder, which comprises the following steps: constructing a whole-process integrated closed system from precursor ultra-purification, gas phase in-situ conversion, microstructure regulation and control to nondestructive collection; according to the method, ultra-pure silane and methane gas are obtained through two-stage cryogenic distillation and adsorption purification, after plasma activation decomposition, uniform nucleation and controllable growth are achieved in a multi-temperature-zone vertical reactor, HCl is introduced for in-situ etching purification, and finally a final product is obtained through top-speed quenching and totally-closed collection. By the adoption of the technical scheme, stable preparation of the high-purity silicon carbide powder with the total metal impurity being lower than 50 ppb, the oxygen content being lower than 100 ppm, the particle size being 0.1-2.0 microns and being precisely controllable and uniform in morphology can be achieved.

The utility model belongs to the technical field of air purification, and discloses an ozone system backwater prevention device which comprises a barrel, a sealing plate, a reducer, a hoop loose joint and a detection piece, a cleaning assembly is arranged in the barrel, the sealing plate is connected to the barrel and located above the barrel, the reducer is connected to the barrel, and the hoop loose joint is connected to the detection piece. The large and small heads are located at the lower position of the barrel, the multiple clamp loose joints are connected to the barrel, the detection piece is connected to the barrel through the clamp loose joints and provided with an automatic valve, and the detection piece is matched with the automatic valve so that the detection piece can control the automatic valve to automatically drain water. Therefore, the problem of poisoning possibly caused by ozone leakage is solved, the risk that gas leaks from the barrel joint and a sealing weak point is reduced, it is ensured that ozone gas is strictly controlled in a closed system, and the gas is prevented from leaking to pollute the environment.

The application discloses a large-inertia closed system inertial hydraulic loading self-adjusting control method, device, equipment, medium and product, and the method comprises the following steps: S1, in the simulation starting or braking inertia loading stage of the test bench, based on the energy conservation principle, the target rotating speed of the closed system motor during the starting or braking inertia loading is obtained according to the output power of the closed system pump or the kinetic energy of the large-inertia equipment during braking as the inertia energy; S2, the target rotating speed of the closed system motor during the starting or braking inertia loading is taken as the input, the opening of the closed-loop control proportional servo valve is controlled, the rotating speed n1 of the closed system motor is controlled, and the rotating speed closed-loop control of the closed system motor during the starting or braking inertia loading is completed by taking n1 as the feedback, and the closed system hydraulic inertia loading self-adjusting is realized. The application can realize the closed system hydraulic inertia loading self-adjusting, does not need the load curve, and thus solves the problem of the inertia loading after the optimization of the closed system.

A closure system for the access opening in a barrier to an enclosed space for confining individuals. The closure system has an assembly for operatively associating with the access opening, wherein the assembly provides a rear frame plate, a front frame plate, middle spacer plates and a sliding door slidable between the frame plates to move between an open position and a closed position closing off the access opening. One or more door springs configured to bias the sliding door in a partially open position, when the sliding door is unlocked by an associated locking mechanism, and thereby providing single-handed functionality. Dual purpose guide-security bars along a rear surface of the sliding door are configured for both preventing the sliding door from getting jammed when sliding and for preventing a confined individual from tampering with the locking mechanism by way of the space between the rear and front frame plates.

The invention discloses a hydrogen storage material variable temperature hydrogen absorption and desorption cycle test method based on a Sieverts constant volume method. In a cycle test of the variable-temperature hydrogen absorption and desorption cycle test method, a single hydrogen absorption and desorption process comprises temperature-dependent hydrogen absorption and temperature-dependent hydrogen desorption of a hydrogen storage material in a closed system, namely, the single hydrogen absorption and desorption process comprises a cooling hydrogen absorption reaction and a heating hydrogen desorption reaction of the hydrogen storage material along with temperature change; the closed system is a constant-volume closed system without hydrogen material exchange with the outside. According to the invention, the hydrogen absorption and desorption cycle test efficiency of the reversible hydrogen storage material can be obviously improved, and the method has the advantages of controllable hydrogen absorption and desorption depth, temperature and hydrogen back pressure, simple process flow, high system adaptability, good controllability, good repeatability and the like. By optimizing and matching the loading capacity of the hydrogen storage material, the intrinsic thermodynamic PCT characteristic, the test temperature and the system volume, the hydrogen storage material can complete rapid hydrogen absorption and desorption circulation under the conditions of controllable hydrogen absorption and desorption depth, temperature and hydrogen back pressure.

The invention relates to the technical field of dust pollution treatment, in particular to a port dry bulk cargo storage yard electronic greenhouse closing system based on multi-dimensional full-time management and control. According to the system, a time reference is established by identifying an operation event, multi-source sensor data is mapped to a unified time axis, and space-time registration is realized by combining Bayesian probability inference; constructing a physical information neural network based on the registration data to predict a continuous dust concentration field; a virtual closed boundary is generated according to the concentration threshold value, and the closing effectiveness is evaluated; calibrating physical parameters by using a CFD model in combination with a parameter inversion method; and in the rolling prediction time domain, constructing an optimization model weighted by the spraying cost, the environmental protection penalty and the control cost, solving an optimal spraying control strategy, and feeding back an execution effect to the model to form closed-loop optimization. By means of the system, the raised dust of the storage yard can be precisely treated, and it can be guaranteed that the raised dust is sealed in the electronic greenhouse in an open-air scene.

The application provides a dynamic measurement method and system based on parallel differential pressure analysis, and relates to the technical field of gas-liquid mass transfer measurement. The method adopts a measurement unit and a control unit in parallel, a first closed container of the measurement unit containing liquid and gas, and the initial volume of the gas phase in a second closed container of the control unit being the same as the volume of the gas in the first closed container. After the pressure of the two containers is synchronously and suddenly increased to the initial pressure P0 by synchronous pressure excitation, the system is closed, and the pressure decay curves P1(t) and P2(t) in the two containers are synchronously collected. After differential processing, the influence of system leakage is eliminated, and the net pressure decay curve ΔP(t) is obtained. Based on the ideal gas state equation, the change amount of the dissolved gas mass with time is inversed, and the dissolution kinetics data are obtained. The application can dynamically and accurately measure the gas dissolution process, effectively eliminates the leakage interference, and provides key dissolution kinetics data for gas-liquid mass transfer engineering.

The utility model relates to the technical field of carbon dioxide laser treatment, in particular to a carbon dioxide laser therapeutic instrument which comprises a machine shell, one side of the top end of the machine shell is in threaded connection with a light guide arm, a touch control screen is embedded in the top end of the machine shell, and a laser power source is installed in the machine shell. A control panel is installed in the machine shell and located on one side of the laser power source, and a circulating cooling mechanism is further arranged in the machine shell. The water tank is made of transparent acrylic, the water level of the water tank can be observed through the front window of the machine shell, when water needs to be added, the funnel is inserted into the water inlet, the water filling function is achieved through the funnel, the ventilation valve is arranged on the water tank and has the function of ventilation and watertightness, and the situation that water cannot be injected due to the fact that a water tank circulation system is a closed system is prevented. Meanwhile, drainage can be completed through the water outlet, and the problem that according to an existing therapeutic apparatus, water injection and drainage are not convenient to conduct in a closed water tank in a closed machine box is solved.

The utility model provides a machine room channel closing system, and relates to the technical field of data center machine room design. The machine room channel closing system comprises a first closed channel located above the machine cabinet and a second closed channel located below the machine cabinet, an air inlet of the first closed channel and an air inlet of the second closed channel are both communicated with an air supply outlet of the precise air conditioner, and the first closed channel and the second closed channel are both used for conveying cold airflow to the machine cabinet. The first closed channel is arranged above the cabinet and the second closed channel is arranged below the cabinet, so that cold air flow is conveyed in the upper direction and the lower direction at the same time, refrigeration on equipment in the cabinet is more uniform, the refrigeration effect on the equipment at the higher position of the cabinet is enhanced, a heat source in the cabinet is effectively covered, and the overall refrigeration effect is improved; in addition, due to the design of the closed channel, the flowing path of airflow is optimized, loss of cold airflow is reduced, and the refrigeration effect is further improved.

A closure system for closing a container opening is disclosed that includes a stopper member, a cage member for mounting to a container, a cover member reversibly mountable to the cage member, and an integrity visualization member. The stopper member has a plug portion to fit into the container opening and a cover portion to abut a boundary surface of the container opening. The plug portion of the stopper member is fitted into the opening of the container and the cage member is mounted to the container. The cage member applies a force to the cover portion to push the cover portion onto the boundary surface of the container opening. The cover member covers an aperture of the cage member when mounted to the cage member. The integrity visualization member indicates an integrity of the closure system and is positioned between the cover portion and the cage member.

The invention belongs to the field of water seepage amount measurement of underground engineering such as mines and tunnels, and particularly relates to a device for measuring the wall surface water seepage amount of a laneway structure based on an adsorbate weighing method and a using method thereof. The device comprises an adsorption layer, a flexible water-resisting layer and a rigid shell from inside to outside, the adsorption layer is arranged to be a cuboid block and has good water absorption and water retention performance; the flexible water-resisting layer and the rigid shell are both of a cuboid shell structure and each comprise a top face and four circumferential faces so that the top face and the four circumferential faces of the adsorption layer can be wrapped with the flexible water-resisting layer and the rigid shell. The core principle of the method is mass conservation, that is, an adsorption layer, a flexible water-resisting layer, a drying agent and a sealed container are regarded as a closed system; the mass increment of the closed system before and after measurement only comes from water seeping from a water seepage point, so that the measurement error caused by evaporation is fundamentally eliminated; in addition, by combining with a water chemical experiment, measurement errors caused by solid dissolved matters in seeping water are eliminated.

The invention provides a multifunctional refining furnace driven by double-cover gas, and relates to the technical field of metallurgy. By means of the double-cover design, a metal melt-slag-gas three-phase closed system is successfully constructed, the problem that the deviation between thermodynamic calculation and the actual process is large due to the fact that a traditional refining furnace system is open is solved, in the closed system, all reactions better conform to the assumed conditions of the thermodynamic theory, and the reaction efficiency is improved. And elements in the metal melt are controlled more accurately, and theoretical basis guarantee is provided for smelting of high-end materials.

This invention proposes an alkaline water electrolysis hydrogen production system. The alkaline water electrolysis hydrogen production system includes: an electrolyzer with a hydrogen outlet; and a hydrogen separator with a gas-liquid mixture inlet and a gas outlet. The gas-liquid mixture inlet is connected to the hydrogen outlet of the electrolyzer via a first pipe, and the gas outlet is connected to a first outlet pipe for supplying hydrogen gas. The alkaline water electrolysis hydrogen production system further includes a refrigeration system disposed at the first outlet pipe. The refrigeration system includes a compressor, a condenser, an expansion valve, and an evaporator connected sequentially in a closed system via pipes. A refrigerant circulates within the closed system. The first outlet pipe is connected to a second heat exchanger, and the evaporator of the refrigeration system is disposed in the second heat exchanger and configured to absorb heat from the hydrogen. The alkaline water electrolysis hydrogen production system according to the invention includes a refrigeration system located at the outlet pipe, which is capable of further cooling the generated hydrogen.

The invention relates to a method and a device for detecting physical tampering on closed systems using anti-tamper radio (ATR). The objective of the present invention is to improve the performance of known ATR systems so that they operate more securely against tampering, are less prone to errors, and are more resource-efficient. To this end, the invention proposes that a reconfigurable intelligent surface (RIS), consisting of at least one controllable reflective element, be provided, the reflective properties of which can be modified by means of an ATR module of the ATR system.