1954 results about "Pressure release" patented technology

An incubator can include a body, a bed supported by the body, and a canopy defining an interior chamber that includes the bed. The incubator can include any combination of various features configured to reduce sound energy inside the incubator. The incubator can include a passive radiator, a Helmholtz resonator, a meta material absorber, an active noise cancelation system, a vented door latch assembly, an acoustically permeable seal, a pressure relief valve, a lift mechanism that uses a belt drive, double paned canopy walls, a bin with insulating compliant elements, a manual pressure release valve, a pressure differential notification system, non-parallel or curved canopy walls, a mattress with reticulated foam, and / or an acoustic filter.

Systems and methods herein generally relate to prolonging viability of bodily tissue, especially an organ, by adjusting pressure as needed to maintain a constant pressure within the organ even during external pressure fluctuations due, for example, to transportation of the organ in an airplane. The systems and methods herein can include an electronic pump that pumps gas into an organ and a mechanical pressure regulator to release gas based on organ pressure.

Systems and methods herein generally relate to prolonging viability of bodily tissue, especially an organ, by adjusting pressure as needed to maintain a constant pressure within the organ even during external pressure fluctuations due, for example, to transportation of the organ in an airplane. The systems and methods herein can include an electronic pump that pumps gas into an organ and a mechanical pressure regulator to release gas based on organ pressure.

The shutdown of a compressor (10) installed in a refrigerant circuit (2) in air conditioning or refrigeration system is controlled so as to prevent unpowered reverse rotation of the compressor. Prior to terminating electric power to the compressor drive motor (24), the pressure within the system is relieved and substantially equalized across the compressor, thereby eliminating the possibility of unpowered reverse rotation of the compressor at shutdown. Pressure relief and equalization may be achieved by reducing the operating speed of the compressor to a low forward speed for a period of time prior to deenergizing the compressor drive motor. Pressure equalization may also be achieved by driving the compressor in reverse rotation prior to deenergizing the drive motor.

The invention provides an intelligent pressure management system, method and terminal for geological sequestration of carbon dioxide, and the system comprises the steps: collecting the pressure data of the interior and peripheral key positions of each geological reservoir in real time through a pressure monitoring subsystem, and then carrying out the data preprocessing and feature extraction through a data processing and analysis subsystem; and predicting the reservoir pressure change trend in a specific time period in the future. If the predicted reservoir pressure change trend pressure is too high, high-risk related information is transmitted to the intelligent regulation and control subsystem, and the intelligent regulation and control subsystem regulates and controls the reservoir pressure by regulating the flow of a carbon dioxide injection well and a production well or starting a pressure release device according to a preset strategy and dynamically regulates a regulation and control mode according to pressure data. Meanwhile, the communication and monitoring subsystem transmits system operation data to a remote monitoring terminal in real time, so that real-time monitoring is facilitated. Real-time, accurate and automatic regulation and control of the pressure of the geological reservoir are achieved, the stability and safety of the geological reservoir in the carbon dioxide injection process are guaranteed, the geological storage effect of the carbon dioxide is improved, and various negative effects caused by too high pressure are avoided.

The invention relates to the technical field of lithium ion battery safety, and discloses a lithium ion battery thermal runaway multi-cascade emergency response prevention system. The system comprises a thermal signal monitoring module, a thermal diffusion prediction module, an emergency suppression module, a pressure balance module and a multi-mode linkage module. The thermal signal monitoring module obtains multi-dimensional temperature data, identifies abnormity and generates a thermal runaway early warning signal; the thermal diffusion prediction module combines the early warning signal and the battery module structure parameters to calculate the thermal propagation path and rate and generate a prediction result; the emergency suppression module matches a suppression medium according to a prediction result, and calculates a dose putting strategy to form a suppression scheme; the pressure balance module obtains pressure data, analyzes the change rate and distribution, adjusts a pressure release valve strategy in combination with a suppression scheme, and generates a pressure regulation and control instruction; and the multi-mode linkage module integrates data and a scheme, and generates a system-level emergency response instruction based on a pressure regulation and control instruction to realize thermal runaway multi-level joint prevention.

The invention relates to the technical field of intelligent agriculture and precise irrigation, in particular to an intelligent control system for agricultural irrigation. Comprising a water-saving valve module, a sensing layer module, a control layer module, an execution layer module and a data and application layer module, and the water-saving valve module is used for achieving microsecond level flow regulation and control through piezoelectric ceramic driving and energy recovery and integrating a self-maintenance function. According to the invention, the LSTM network and the Duelling DQN algorithm are utilized to accurately discriminate the soil type and formulate an extreme weather coping scheme, dynamic optimization of an irrigation strategy is realized based on low-power-consumption edge calculation and an intelligent control algorithm, the adaptability and decision accuracy of the system are greatly improved, multiple advanced technologies are integrated, and the system is suitable for large-scale popularization and application. Comprising a magneto-rheological buffer, a TSN valve controller, an SMA emergency pressure release valve and a variable frequency water pump driver, pressure balance of a pipe network, high-precision synchronization of valves and safe treatment of sudden failures are ensured, and the stability and flexibility of an irrigation system are comprehensively improved.

The invention relates to the technical field of transformers, in particular to an oil-immersed power transformer which comprises a hollow rod, a first round rod, a first piston, a first spring, a cylinder, a second round rod, a second piston, a limiting block and a ventilation assembly. A hollow rod is fixedly connected to the diaphragm; a first round rod is slidably connected to the hollow rod. A first piston is fixedly connected to the first round rod and makes contact with the lower end of the hollow rod. A cylinder is fixedly connected to the box body; through cooperation of the hollow rod, the first round rod, the first piston, the first spring, the cylinder, the second round rod, the second piston, the second spring and the limiting block, pressure relief operation can be automatically completed when pressure in the transformer body is increased abnormally, and therefore the transformer body can be protected; and the transformer oil sprayed out at a high speed can be intercepted and prevented from being sprayed to the outside to pollute the environment, the intercepted transformer oil is gathered on the upper side of the diaphragm, manual collection of the transformer oil can be facilitated, and waste is avoided.

The utility model discloses a sparkling water machine, which belongs to the field of household electric appliances, solves the problems of splashing of water discharged from the sparkling water machine and unstable flow of the water discharged from the sparkling water machine, and adopts the technical scheme that the sparkling water machine mainly comprises a water supply component, a gas supply component, a mixing cavity and a gas-liquid separator, the gas supply assembly is communicated with the mixing cavity and supplies gas to the mixing cavity, the gas-liquid separator is provided with a gas-liquid separation cavity, a water inlet, a water outlet and an exhaust port, the gas-liquid separation cavity is communicated with an outlet of the mixing cavity through the water inlet, bubble water in the gas-liquid separation cavity is discharged through the water outlet, gas is discharged through the exhaust port, and the exhaust port is provided with a pressure release valve. A baffle for preventing high-pressure bubble water flowing in from the water inlet from rushing open the pressure release valve is arranged in the gas-liquid separation cavity; and the baffle is blocked between an impact path of the high-pressure bubble water and the pressure release valve. The utility model is mainly used for preventing the water outlet from splashing in the process of discharging bubble water, and improving the stability of the water outlet flow.

An apparatus and methods for a rotor pack are provided for a positive displacement supercharger that produces greater engine power output without loss of best seal between the rotors or between the rotors and an interior surface of an enclosing case. The rotors include relief zones and cupped portions at an intake airflow side of each lobe comprising the rotors. The relief zones allow additional airflow to enter the rotor pack while the cupped portions scoop additional airflow into the rotor pack during operation of the supercharger. Tapered radius portions of an enclosing case allow additional airflow to be dragged into the rotor pack. Pressure relief portions on a rotor bearing plate and angled portions on each lobe extend compression events during operation of the rotor pack. The angled portions reduce a margin of the lobes to sharpened edges without affecting the diameter of the margin.

The utility model discloses a large-scale continuous marinating system, and belongs to the technical field of food processing.The large-scale continuous marinating system comprises a marinating container which is arranged in a sealed mode, a solid-liquid separation device is connected to a discharging opening in the bottom of the marinating container through a discharging pipe, and a belt conveying device used for sending out separated eggs is arranged on one side of the solid-liquid separation device; the solid-liquid separation device is also connected with a blending tank for collecting separated brine, and the brine treated in the blending tank is conveyed to a marinating container for use through a pipeline; the marinating container is provided with a temperature detector for conveniently controlling the temperature in the marinating container, and the top of the marinating container is also connected with a pressurizing pipe for conveniently applying pressure to the temperature detector and a pressure releasing pipe for releasing pressure outwards. The soft boiled egg marinating equipment is used for solving the problems that soft boiled eggs marinated by the existing marinating equipment are poor in quality, the marinating equipment needs manual assistance, the processing efficiency is low, the eggs are easy to break, the cleaning is difficult and the like.

Systems and methods are provided for testing and / or validating anti-propagation systems designed to mitigate a thermal runaway condition in lithium-ion batteries. A system comprises a first temperature sensor for detecting a temperature of a trigger battery cell within the battery module and a heater removably couplable to a substantially central portion of the trigger cell and configured to heat the trigger cell to a threshold temperature. The system further comprises a second temperature sensor for detecting a temperature of a test battery cell adjacent to the trigger cell within the battery module. The trigger cell undergoes a thermal runaway condition upon reaching the threshold temperature. The system may further comprise a controller for controlling the rate of heating of the trigger cell. The system ensures that the trigger cell will breach via the pressure release valve or cell vent after reaching the threshold temperature.

The high-pressure gate valve comprises a gate valve body and a pressure release valve, the gate valve body comprises a first valve body and a first valve element, a first valve cavity, a first inflow channel and a first outflow channel are formed in the first valve body, the first inflow channel and the first outflow channel communicate with the first valve cavity, and the first valve element is movably arranged in the first valve cavity; the first valve element is connected with the first valve element so as to be switched between a first communication position and a first disconnection position, in the first communication position, the first inflow channel is communicated with the first outflow channel, and in the first disconnection position, the first valve element blocks the first inflow channel and / or the first outflow channel; the pressure release valve is fixed to the first valve body, and a flow inlet of the pressure release valve communicates with the first valve cavity. According to the high-pressure gate valve, through the pressure release valve communicated with the first valve cavity, when the pressure of fluid in the first valve cavity rises and the first valve element of the high-pressure gate valve is difficult to move, pressure in the first valve cavity can be reduced by controlling opening of the pressure release valve, and therefore the first valve element can move more easily.

A fluid system is provided for an aircraft engine. This fluid system includes a lubricant reservoir and a pressure relief system. The lubricant reservoir includes an internal volume. The pressure relief system includes a sensor system, a pressure relieve valve and a controller. The sensor system is configured to provide sensor data indicative of an air pressure within the internal volume. The pressure relief valve is fluidly coupled with the internal volume. The controller is configured to control operation of the pressure relieve valve based on the sensor data.

The invention discloses an integrated sealed primary and secondary fusion pole-mounted circuit breaker in the technical field of circuit breakers, and the integrated sealed primary and secondary fusion pole-mounted circuit breaker comprises a case, a push-pull mechanism, a first elastic mechanism and a second elastic mechanism. A plurality of sets of insulating pull rods extending into the circuit breaker body are installed in the case in an up-down sliding mode, the push-pull mechanisms are fixedly installed in a plurality of sets of supports in the case in a rotating mode, and the top ends of the push-pull mechanisms are fixedly connected with the bottom ends of the insulating pull rods. The two sides of the support are symmetrically provided with two groups of first elastic mechanisms connected with the push-pull mechanism, and the problems that the speed of a movable contact block in an existing circuit breaker cannot be effectively buffered when the movable contact block rapidly gets close to or gets away from a static contact block, and the elastic mechanisms in the circuit breaker are inconvenient to efficiently synchronize energy storage and pressure release of a closing spring and an opening spring; and the operation efficiency, the reliability, the synchronism, the arc extinguishing performance and the like of the circuit breaker are not improved.

The invention discloses a vacuum negative pressure vibration assisted precision casting forming method. The method comprises the steps of model preparation, sand box and dry sand pretreatment, layered vibration sand filling, film covering vacuumizing, molten metal smelting and purification treatment, negative pressure vibration pouring, pressure maintaining solidification, segmented temperature control and pressure relief box opening and multi-stage cleaning aftertreatment. The core of the method is that mechanical vibration and a vacuum negative pressure technology are deeply coordinated and penetrate through the whole process of modeling, pouring and solidification, and meanwhile, a series of fine control means such as dry sand accurate pretreatment, molten metal rotary blowing degassing and instantaneous inoculation, stepped negative pressure control, temperature-related segmented pressure relief and two-stage shot blasting cleaning are matched; through dynamic cooperation of vibration and negative pressure, the sand mold compaction uniformity, the molten metal mold filling capacity and the solidification feeding effect are remarkably improved, the casting defects of air holes, shrinkage porosity, insufficient pouring and the like are effectively reduced, and the internal density, the size precision and the surface quality of a casting can be remarkably improved.

The invention discloses an automatic medium-pressure online detection and closed-loop control method for die steel, relates to the technical field of medium-pressure online detection, and is used for solving the problems that the probability of production deviation is increased and the precision of medium-pressure interval range adjustment is reduced due to abnormality discovery lag. Collecting a pressure fluctuation value and an off-center peak value to comprehensively judge whether the conditions are abnormal; when an abnormal instruction is generated, entering a pressure test stage, calculating a pressure scaling interval based on vibration deviation and fan frequency, adjusting a default pressure interval to obtain a new pressure control interval, and comparing the new pressure control interval with a pressure value; and when the temperature exceeds the range, the surface temperature uniformity of the steel billet is detected, a fault-tolerant proportional adjustment pressure scaling interval is calculated, a control interval is updated and subjected to secondary comparison, whether an abnormal instruction is eliminated or not is determined, production abnormity is found in time, the abnormity judgment accuracy is improved, the abnormity is found in time, and the dynamic adjustment precision of the pressure control interval is improved.

A floating joint and retainer connection device with pressure relief structure includes a hollow fixed retainer; an adaptor joint having an engaging end and a fitting end extended through the fixed retainer to an outer side thereof, and a buffering section located between the engaging and fitting ends; a slidable washer and a fixing element fitted on an outer surface of the fitting end to limit the adaptor joint from moving axially relative to the fixed retainer; an elastic element located between the fixed retainer and the slidable washer; a slidable spacer having an axially protruded section formed on one side; and a spring fitted around the buffering section with two ends pressed against another side of the abutting spacer and a shoulder portion on the adaptor joint. With the above pressure relief structure, the adaptor joint can stay at any radially displaced position relative to the fixed retainer.

The present invention relates to a method for ejecting a weapon 22 arranged in a container 20 from a weapon barrel 10 by means of a pressure ejection, wherein the weapon barrel 10 has a pressure inlet 16, wherein the container 20 has at least one pressure inlet opening 24, wherein the method comprises the following steps: a) Extend the container 20 until the pressure inlet 16 and the pressure inlet opening 24 are aligned, b) Ejection of the weapons 22 arranged in the container 20 with the pressure ejection.

A mattress insert, able to be inserted into a traditional mattress, includes a plurality of compartments, each containing gel beads and water suitable for simulating the feeling, pressure relief, and temperature regulation of a waterbed. The mattress insert is placed into a foam structural material of the mattress, providing the mattress insert with support and preventing the spread of the gel beads within the insert. The foam core of the mattress may be either solid or rounded. This mattress technology and insert is useful for beds, including medical beds and dog beds, recliners, chairs, and sofas.

The invention discloses an intelligent switch cabinet with automatic pressure relief protection, which comprises a cabinet body, a cabinet door is hinged to the front surface of the cabinet body, a heat dissipation channel is fixed on the back surface of the cabinet body, and a motor and a heat dissipation fan are respectively mounted in the heat dissipation channel; first pressure relief openings are formed in the upper portions of the left side and the right side of the cabinet body, blocking plates are arranged on the two sides of the cabinet body and located below the first pressure relief openings, and a second pressure relief opening is formed in the top of the cabinet body. According to the intelligent switch cabinet with the automatic pressure relief protection function, the first pressure relief opening and the second pressure relief opening can be gradually opened according to the pressure of the cabinet body, so that high-pressure gas is rapidly exhausted, graded pressure relief can be performed, pressure is released gently, pressure fluctuation is reduced, and the stability of a system is improved; and high-pressure gas can be discharged in the direction of the plugging plate in the inclined state, so that the gas is prevented from directly impacting surrounding personnel or equipment during pressure relief, and the safety risk is reduced.

The utility model discloses a bottom guard plate support structure and its battery pack, wherein the bottom guard plate support structure comprises a support plate, a bottom guard plate and foams, the support plate is provided with a plurality of battery positioning holes, a plurality of foams are arranged, all foams are arranged between the support plate and the bottom guard plate, and the bottom guard plate is provided with a plurality of battery positioning holes. One end of the foam is fixedly connected with the bottom protection plate, the end face of the other end of the foam is attached to the supporting plate, and the foam is arranged to avoid the battery positioning hole. The battery positioning hole provides a positioning effect for the installation of the battery and provides a discharge channel for the pressure release valve of the battery cell, the plurality of foams are arranged in a way of avoiding the battery positioning hole, the pressure release channel of the pressure release valve is reserved, and in addition, the plurality of foams are arranged, so that the pressure release valve can be effectively prevented from being blocked under the condition that the foams can provide enough support. The blocking of the foam in the space between the supporting plate and the bottom protection plate is reduced, so that the smoothness of a pressure relief passage is ensured, and the safety performance of the battery pack adopting the bottom protection plate supporting structure is ensured.

The utility model relates to the technical field of lithium batteries, in particular to an anti-explosion pressure release valve of a lithium battery. Comprising a cylindrical valve body, a sealing groove is formed in the inner wall of the valve body, a sealing ring is arranged in the sealing groove, an inserting groove penetrating through the two sides of the valve body is formed in one end of the valve body, a piston is inserted into the valve body and is in sliding connection with the sealing ring, a protruding column is arranged at one end of the piston, and the diameter of the protruding column is smaller than that of the piston. Elastic pieces are arranged on the two sides of the end, away from the piston, of the protruding column, the elastic pieces are inserted into the inserting grooves, and a blocking plate is arranged on the inner side of the end, provided with the inserting grooves, of the valve body. Whether the internal pressure of the battery is abnormal or not can be judged by observing whether the piston moves outwards or not.

The utility model provides a battery box body, a battery and a power utilization device. And a heat dissipation system is arranged in the battery box body. The heat dissipation system comprises a pressure relief device and a fire extinguishing device. The pressure relief device comprises an exhaust channel and a pressure relief valve, an air inlet of the exhaust channel is formed in the battery box body, and an air outlet of the exhaust channel is communicated with the pressure relief valve. The exhaust channel is used for conveying high-temperature gas to the pressure release valve. And the pressure release valve is used for discharging high-temperature gas in the battery box body. The fire extinguishing device is provided with a containing cavity, and a fire extinguishing medium is stored in the containing cavity. The containing cavity communicates with the exhaust channel, so that the fire extinguishing medium can enter the exhaust channel. According to the pressure relief device, the battery with thermal runaway can be timely cooled and exhausted, so that the safety of the power utilization device is ensured. And a fire extinguishing medium in the fire extinguishing device enters the exhaust channel and extinguishes flames in the exhaust channel, so that the flames are prevented from being exhausted out of the battery box body to cause heat diffusion, the risk of battery damage is reduced, and the safety of the electric device is further ensured.

The pressure release valve comprises a shell and a fixing sleeve arranged on the shell, an installation cavity is formed in the shell, an electromagnetic coil assembly is arranged in the installation cavity, the magnetic isolation sleeve is inserted in the installation cavity, the magnetic isolation sleeve is connected between the shell and the fixing sleeve in an abutting mode and isolates the installation cavity, and the electromagnetic coil assembly is arranged in the magnetic isolation sleeve. A movable valve element is arranged on the magnetism isolating sleeve in a sliding mode, and the end of the movable valve element is connected with a sealing piece.

The invention relates to the technical field of water and soil conservation and ecological restoration, in particular to an ecological slope water and soil loss monitoring and restoring system and method.The system comprises a monitoring and restoring node, a monitoring and restoring node and a monitoring and restoring node, the monitoring and restoring node is internally provided with a double-micropore channel for measuring the conductivity of a water sample in a layered mode, and a pore water pressure sensor and a pressure release valve are used for conducting pore pressure monitoring and micro pressure release; a double-verification logic module is built in, two-stage necessity verification and two-stage effectiveness evaluation are achieved, and then the instability risk is accurately judged and self-adaptive repair is achieved. The ecological slope water and soil loss monitoring and repairing system and method solve or at least relieve the problems that an existing system is difficult to distinguish transient disturbance and real instability precursor and lacks intervention effect evaluation and self-adaptive optimization, the instability precursor and disturbance can be accurately distinguished, intervention can be effectively evaluated, self-adaptive optimization is achieved, and the ecological slope water and soil loss monitoring and repairing system and method are provided. And the intelligence, intervention credibility and long-term reliability of the system are improved.

The invention discloses a mixed gas insulated metal-enclosed switchgear, and relates to the technical field of substation switchgear, the mixed gas insulated metal-enclosed switchgear comprises a box body, a bus chamber, a circuit breaker chamber, a heat dissipation mechanism, a pressure release mechanism and an auxiliary mechanism, the inner cavity of the bus chamber is filled with dry air, the circuit breaker chamber is independently sealed, the heat dissipation mechanism is installed in the inner cavity of the circuit breaker chamber, and the pressure release mechanism is installed in the inner cavity of the circuit breaker chamber. The pressure release mechanism is used for directional pressure release and airflow buffering of mixed gas in an inner cavity of the circuit breaker chamber and impact buffering of power connection points on the circuit breaker chamber, and the auxiliary mechanism is installed on the back face of the circuit breaker chamber. Through the arrangement mode that the bus chamber, the circuit breaker chamber, the heat dissipation mechanism and the pressure release mechanism are matched, the greenhouse effect is reduced, gas liquefaction in the extremely cold environment is prevented, component layering is avoided, the phenomena of overheating and overpressure in the circuit breaker chamber can be avoided, and the insulation performance of gas in an inner cavity of the mixed gas insulation metal-enclosed switchgear is not affected.

Systems and methods are provided to vent a battery pack for an electric vehicle. The battery pack comprises a pack housing subdivided by a crossmember. The crossmember defines a multidirectional vent passage configured to allow venting with a first bay and a second bay. A pressure release valve is arranged on the pack housing and configured to release pressure based on the multidirectional vent passage.

The invention relates to a safety system for automatic pressure relief during an internal arc fault period of an alternating-current transformer bushing, and the system comprises the alternating-current transformer bushing which is used for accommodating an insulating medium; the first pressure relief structure is arranged between the alternating-current transformer bushing and the vacuum container and is used for communicating the alternating-current transformer bushing with the vacuum container under the condition that the internal pressure of the alternating-current transformer bushing exceeds a preset pressure threshold value; the optical signal detection device is arranged in the alternating-current transformer bushing, is in communication connection with the control device, and is used for detecting an optical signal, converting the optical signal into an electric signal and outputting the electric signal to the control device; the control device is in communication connection with the second pressure relief structure and is used for outputting a starting instruction to the second pressure relief structure under the condition that it is determined that the arc fault occurs according to the electric signal; and the second pressure relief structure is arranged on the middle flange and is used for communicating the alternating-current transformer bushing and the external space in response to the opening instruction. By adopting the system, early fault intervention and controllable pressure release can be realized.

The invention relates to a damping valve of a CDC shock absorber, and belongs to the technical field of damping valves, the damping valve comprises an outer shell, a valve sleeve assembly and an ejector rod assembly, the valve sleeve assembly is fixed on the outer shell, the ejector rod assembly can reciprocate relative to the valve sleeve assembly, the valve sleeve assembly is provided with a valve port, a main discharge port and an auxiliary discharge port, and the main discharge port and the auxiliary discharge port are respectively communicated with the valve port; a follow-up valve element used for opening and closing the main discharge port is arranged on the ejector rod assembly, the main discharge port is in a closed state when the damping valve is not powered on, and the main discharge port is in an open state when the damping valve is powered on. The output end of the auxiliary discharge port is provided with a pressure release valve assembly used for generating reverse supporting. The pressure release valve assembly is integrated through the auxiliary release port, reverse supporting can be continuously carried out in the zero-current state, abnormal shaking caused by insufficient supporting force of a suspension in low-speed running is eliminated, and the stability of a vehicle body is improved. The working mode that electromagnetic force is replaced by the pressure release valve assembly to maintain the basic pressure is adopted, the vehicle can be in a power-off state in the normal driving period, and therefore energy consumption is reduced.