861 results about "Pressure regulator" patented technology

Disclosed are a pressure regulator and a sparkling water machine. The pressure regulator includes: an arc flow path and a transiting chamber; a cross section of the arc flow path is configured to gradually increase from an input end of the arc flow path to an output end of the arc flow path, and the input end of the arc flow path is communicated with an inlet of the pressure regulator; and the transiting chamber is respectively communicated with the output end of the arc flow path and a discharging port of the pressure regulator.

The invention discloses a pressure regulator stop valve state monitoring control system and method, particularly relates to the field of gas pressure regulating equipment monitoring, and is used for solving the problems of downstream swing misjudgment and far-end instruction interference after upstream locking or resetting caused by lack of cross-device event alignment and semantic mutual identification in existing monitoring. The method comprises the following steps of: synchronously acquiring a valve front on-off state identifier, a valve back pressure sequence and a diaphragm displacement sequence through a unified clock, generating time anchor points of a locking event, a release return event and a bypass opening and closing event, mapping the sequences to generate a table matching relation and a causal sequence, constructing state semantics, outputting an arbitration request, executing delay reset write-in window marks, and outputting an arbitration result. And then comparison and correction are carried out at the initial stage of commissioning, so that misjudgment is avoided, and the accuracy is improved.

The invention relates to a wide-temperature-range ion exchange membrane conductivity testing device and a control method. The wide-temperature-range ion exchange membrane conductivity testing device comprises a box body, a testing clamp assembly, a heating part, a humidifying part, a pressure regulating part and a control assembly, in the test clamp assembly, an ion exchange membrane and a probe electrode are fixed between a lower clamping plate and an upper clamping plate, second through holes are formed in the two sides of the lower clamping plate respectively, and a temperature sensor and a humidity sensor penetrate through the second through holes respectively, abut against the ion exchange membrane and are used for detecting the temperature and the humidity. And the control assembly controls the heating piece, the humidifying piece and the pressure regulating piece to respectively regulate the temperature, humidity and pressure in the box body so as to measure the conductivity of the ion exchange membrane under the working conditions of normal temperature, normal pressure, low-pressure boiling and high temperature without interference. The temperature sensor and the humidity sensor are closer to the ion exchange membrane through the second through holes, so that the accuracy of data measurement is effectively improved; the ion exchange membrane is located in different working conditions through pressure regulation of the pressure regulating piece, and conductivity measurement under the complex working conditions of wide temperature range and temperature and humidity fluctuation is achieved.

The invention discloses a planter with a righting structure in the technical field of planting righting, and the planter comprises a walking mechanism, a righting assembly installed at the tail end of the walking mechanism, a guide pipe, a ditching structure and a soil covering structure, and the righting assembly comprises a rack installed at the tail end of the walking mechanism; the chain transmission structures are mounted on the two sides of the rack in pairs; the driving part is mounted on the rack; a plurality of groups of centralizing frames are provided, each group comprises two pairs of centralizing frames, and the two pairs of centralizing frames are rotationally mounted on the chain transmission structures on the two sides respectively; the distance adjusting structure is used for driving the pair of righting frames on the same chain transmission structure to get close to each other; and the pressure regulator is arranged between the righting frame and the chain transmission structure and is used for regulating the clamping force of the righting frame to the seedlings according to the deflection angle of the righting frame. Through cooperation of the righting frame and the distance adjusting structure, the seedlings are righting, it is ensured that the seedlings are kept in a vertical state in the planting process, the situation that the seedlings incline due to influence of external factors is avoided, and therefore the survival rate of the seedlings is increased.

The invention relates to the technical field of transplanting devices, and discloses an automatic seedling transplanting vehicle capable of adjusting transplanting spacing, the seedling transplanting vehicle comprises a vehicle body frame, two sides of the vehicle body frame are provided with lifting guide rail assemblies, and a lifting adjusting platform is arranged between guide rails; a transplanting assembly is installed at the bottom of the platform, the core of the transplanting assembly is a vertical pipe, the bottom end of the vertical pipe is hinged to a pusher dog capable of being opened and closed, and the upper portion of the pusher dog is connected with an adjusting ring movably arranged on the vertical pipe in a sleeving mode through a transmission arm. The lifting of the adjusting ring can be linked with the transmission arm to control the opening and closing of the pusher dog to realize vertical insertion of the clamping jaw into the ground; a pressure regulator is arranged in the top of the vertical pipe, an L-shaped progressive rack of the pressure regulator is rigidly connected with the regulating ring, and a movable fluid distribution compression ring is connected below the pressure regulator; when the adjusting ring drives the pusher dog to act, the pressure regulator is synchronously linked, so that the conical head body of the fluid distribution pressing ring is embedded into the specific groove to form water channel communication; water flow of the water conveying hose is guided into the inner wall of the vertical pipe through the flow guide cavity and the anti-blocking flow guide ring and finally drips into target soil, and automatic wetting before seedling taking is achieved.

An apparatus for securing a pressure control tube in a user-defined position within a pressure regulator device is described. The apparatus has one or more engagement features and a releasable tube retaining means comprising a resiliently deformable locking member. The resiliently deformable locking member is configured to be releasably engageable with at least one of the engagement features such that engagement between the locking member and engagement feature causes resistance to movement of the pressure control tube within the pressure regulator device. The locking member can be at least partially disengaged from the engagement feature such that resistance to movement of the pressure control tube within the pressure regulator device is reduced.

The invention provides a self-adaptive air pressure control method for semiconductor polishing, and relates to the technical field of polishing control, the method comprises the following steps: obtaining a cascade air pressure control module of chemical mechanical polishing equipment; constructing an original three-dimensional model and a preset polishing target three-dimensional model of the semiconductor wafer to be processed; performing space alignment fitting to generate a to-be-polished model; neighborhood clustering is carried out according to multi-point polishing requirements; based on the multiple clustering areas and the polishing demand identification information, in combination with preset polishing solution information, polishing air pressure optimization is carried out, and multiple optimal polishing air pressure parameters of the multiple clustering areas are obtained; and based on the first air pressure regulator, air pressure control signals are generated according to the multiple optimal polishing air pressure parameters for polishing control, and feedback optimization control is conducted through the second air pressure regulator. According to the invention, the technical problem that the polishing parameter setting is not accurate enough in the prior art can be solved, and the technical effect of improving the semiconductor polishing accuracy and efficiency is achieved.

The present application relates to the technical field of melamine phase change microcapsule preparation, and particularly relates to a melamine phase change microcapsule preparation device and method based on microfluidic technology; the technical scheme: a melamine phase change microcapsule preparation device and method based on microfluidic technology, comprising an aqueous solution tank, an aqueous phase liquid inlet pump, a first valve, a pressure regulator, an oil phase liquid inlet assembly, a liquid mixing assembly, a reaction assembly and a collection assembly; compared with the traditional melamine phase change microcapsule preparation method, the melamine phase change microcapsule prepared by the intermittent method has the problems of poor quality stability, low performance reproducibility, low production efficiency and low cost, etc.; the melamine phase change microcapsule preparation method adopts a microfluidic device integrating temperature control, liquid mixing and chemical reaction, etc., and by connecting the liquid inlet pump at different places, various components can be introduced and polymerization reaction can be carried out in the process of preparing the melamine phase change microcapsule.

The utility model discloses a pressure regulator with a silencing function, and belongs to the technical field of pressure regulation and stabilization, an internal silencer and an external silencer are additionally arranged on the basis of the structure of an axial-flow type pressure regulator, when a valve cylinder is separated from a valve clack and a valve port seat, gas flows out through a silencing through hole of the internal silencer, and when the gas flow speed is high enough, the gas flow speed is high enough, and the gas flow speed is high enough. The noise reduction through holes can move the frequency spectrum of exhaust noise to high frequency, the audible sound part in the noise frequency spectrum is reduced, and therefore interference of the noise to the environment is reduced, the noise reduction barrel filled with the spring is arranged in the external silencer, when airflow passes through the spring in the noise reduction barrel, the spring in the noise reduction barrel can absorb kinetic energy generated by airflow impact, and the noise reduction effect is improved. When the airflow passes through the rectifying plate at the open end of the external silencer, the airflow passes through the multiple layers of perforated plates, layered diffusion and pressure reduction are achieved, the pressure and the flow speed of the fluid are reduced, meanwhile, the flow direction of the fluid is integrated, impact on the pipe wall is reduced, and the effect of reducing the noise is achieved.

An irrigation device is provided having a housing with an inlet and a riser movable relative to the housing between a retracted position and an extended position. The irrigation device includes a pressure regulator mounted in the riser. The pressure regulator has a flow tube, a flow seat, and an elongated actuator. The flow tube is movable relative to the flow seat to control fluid flow into the flow tube. The elongated actuator is sized to extend through the flow tube to apply force from a nozzle assembly mounted to the riser to the flow seat to set a position of the flow seat in the riser.

A system to produce a mixture of fluids includes a pressure source, a pressure regulator, at least a first container containing a first fluid and a second container containing a second fluid, and a microfluidic mixer. A control unit is configured to control the pressure level of the first fluid and the pressure level of the second fluid. The control unit is also configured to control an opening and closing of the first valve and of the second valve to inject the first fluid and second fluid successively into the microfluidic mixer, thereby generating a profile of fringes of the first fluid and of the second fluid within the common outlet channel.

Control zone devices that integrate a valve, filter, and pressure regulator within a single device are provided. Specifically, the control zone devices include a main body having a base portion with an inlet passage and an outlet passage attachable to a conduit and a body portion extending from the base portion having an interior for receiving a filter. The control zone devices further include a valve body including a solenoid bowl for attaching a solenoid and an interface cap for removably coupling the valve body to the main body of the control zone device and forming an interface between the valve body and the main body to operate the valve. The control zone devices also include a pressure regulator. In some configurations, the pressure regulator is positioned in a vent flow path of the valve body downstream of the solenoid for regulating pressure at the valve.

The present disclosure relates to a method or producing silicon tetrafluoride from fluorosilicic acid. In one implementation, a first stream comprising fluorosilicic acid and a second stream comprising sulfuric acid are reacted in a pressure regulator to produce an outgoing liquid stream comprising silicon tetrafluoride. The outgoing liquid is then fed into at least one separator which outputs at least one gas stream containing silicon tetrafluoride and at least one liquid stream. The at least one gas stream is fed into at least one additional separator which separates the at least one gas stream into at least one stream of purified silicon tetrafluoride gas. In some implementations, the at least one liquid stream is recycled back into the at least one separator.

The invention relates to the technical field of hydrogen energy, in particular to a control system of a solid hydrogen storage device. The hydrogen amount monitoring module comprises a flow meter, accumulates the hydrogen amount in the hydrogen charging and / or hydrogen discharging process through the flow meter, and controls starting and stopping of the hydrogen charging and / or hydrogen discharging process; the pressure monitoring and regulating module comprises a pressure sensor and a pressure regulator, and the pressure regulator is used for regulating the pressure in the hydrogen charging and / or hydrogen discharging process according to the pressure monitored by the pressure sensor; and the heat management module is used for providing heat required by hydrogen desorption for the hydrogen storage container. The hydrogen charging and discharging processes of the solid hydrogen storage device are controlled through cooperation of the hydrogen amount monitoring module, the pressure monitoring and adjusting module and the heat management module, so that the hydrogen charging and discharging processes are more efficient and intelligent, and a hydrogen pipeline is timely closed to stop the hydrogen charging / discharging process from hydrogen leakage and hydrogen charging / discharging pressure through the safety monitoring module. And the safety of the solid hydrogen storage device is improved.

The invention relates to the technical field of medical instruments, in particular to a hemostasis device for medical care. The compression tourniquet aims to overcome the defect that an existing compression tourniquet directly extrudes and rubs wounds Comprising a fixing frame, the fixing frame is rotationally connected with a pressure regulator, a telescopic part of the pressure regulator is fixedly connected with a limiting rod, the limiting rod is slidably connected with the fixing frame, the telescopic part of the pressure regulator is fixedly connected with a compression pad, and the compression pad is provided with a hole; the rotary knob is connected to the fixing frame in a sliding and rotating mode, and the rotary knob is used for being inserted into the fixing part of the pressure regulator so as to drive the fixing part of the pressure regulator to rotate. A puncture wound is covered by the holes, so that the wound of a patient is not in direct contact with the compression pad, the probability that the wound of the patient is extruded and rubbed by the compression pad is reduced, the normal healing speed of the wound of the patient is ensured, and the hemostasis effect of the device is improved.

A system for regulating an axial biasing force applied to a stacked set of packing elements mounted within stationary equipment, comprising a packing loading assembly for sealing a process fluid within the stationary equipment and for applying the axial biasing force to the packing elements via a pressurized fluid from a pressure regulator. The packing loading assembly includes a gland element for mounting to the stationary equipment by a plurality of gland bolts, and an external actuation subsystem for coupling to at least one of the plurality of gland bolts for applying an axial actuation force directly to the gland element in response to the pressurized fluid. The gland element in response to the axial actuation force applies the axial biasing force to the packing elements.

The utility model provides a gas pressure regulator gas tightness test device, relates to the pressure regulator gas tightness detection technology field, and comprises a test protection shell and a closed pressure detection mechanism, the inner side of the test protection shell is provided with the closed pressure detection mechanism, when in use, through the arrangement of a sealing assembly, the closed pressure detection mechanism can detect the gas tightness of the gas pressure regulator. A sealing rubber strip is clamped at the joint of the test protection shell and the sealing top shell, and is in threaded connection and fixation through fixing rings extending from the two sides, so that the airtightness in the airtightness detection process is further ensured to be complete, and when the pressure regulator is fixed inside, the airtightness of the pressure regulator can be detected by supplying gas for airtightness detection to the inside of the gas injection assembly. According to the invention, the air tightness of the pressure regulator is detected, and in the detection process, the vacuum air extraction assembly arranged at the rear side of the test protection shell drives the air extraction opening to completely extract the interior through the air pump, so that the interior of the test protection shell is in a vacuum state, and therefore, the pressure regulator can be ensured not to be influenced by the test environment in the air tightness test process.

A system for regulating an axial biasing force applied to a stacked set of packing elements mounted within stationary equipment, comprising a packing loading assembly for sealing a process fluid within the stationary equipment and for applying the axial biasing force to the packing elements via a pressurized fluid from a pressure regulator. The packing loading assembly includes a gland element for mounting to the stationary equipment by a plurality of gland bolts, and an external actuation subsystem for coupling to at least one of the plurality of gland bolts for applying an axial actuation force directly to the gland element in response to the pressurized fluid. The gland element in response to the axial actuation force applies the axial biasing force to the packing elements.

An intraocular pressure (IOP) maintenance device for maintaining IOP is disclosed. The IOP maintenance device includes an inlet configured to receive fluids from a first portion of the eye, an outlet configured to drain the fluids into a second portion of the eye, and a pressure regulator disposed between the inlet and the outlet, the pressure regulator comprising a pressure resistance apparatus configured to fluidly couple the inlet and the outlet when a pressure force from the first portion of the eye exceeds a threshold value, wherein fluid coupling of the inlet and the outlet enables drainage of the fluids from the first portion of the eye to the second portion of the eye to maintain the IOP.

To provide an inkjet cartridge comprising a pressure regulator composed of a non-metallic material.SOLUTION: An inkjet cartridge 100 is provided, comprising a reservoir operable of operating to contain a solution, and a pressure regulator 130 disposed in the reservoir, the pressure regulator comprising a non-metallic material. Alteration or material change of the solution can be suppressed.SELECTED DRAWING: Figure 1B

This invention discloses a working mode switch for a medical negative pressure regulator, including a valve seat, a slide valve, a sealing gasket, an adjusting component, and an elastic clamping component. The sealing gasket is fixedly mounted on the valve seat, and the slide valve is placed on the sealing gasket and can rotate around the valve seat axis, forming a three-position, five-way torsion planar slide valve structure with the valve seat. The structure has three working positions: closed, adjusting, and straight-through. In addition to the air source port, adjusting port, and straight-through port, it also includes a control port and a vent port. When the three-position, five-way torsion slide valve structure is in the closed position, the control port is closed; when the three-position, five-way torsion slide valve structure is in the open state, the control port connects to the vent port. The closing and venting functions of the control port can be used to externally control the negative pressure generator switch, working in conjunction with it. The adjusting component drives the slide valve, enabling it to rotate within the valve seat and switch between the closed, adjusting, and straight-through working positions. The elastic clamping component is located between the adjusting component and the slide valve, providing elastic clamping force to the slide valve facing the valve seat. This solution enables synchronous operation with medical negative pressure regulators and employs an elastic compression sealing method, offering flexible operation and excellent planar sealing of the slide valve.

An apparatus includes a pressure regulator, an in-cylinder fuel injector and a controller programmed to, when fueling with a first gaseous fuel, command the regulator to regulate the pressure of the first gaseous fuel to a first injection pressure; and command the injector to inject within 90 CA° of TDC during a compression stroke an injected quantity of a first gaseous fuel into the combustion chamber at the first injection pressure, and when fueling with a second gaseous fuel, to command the regulator to regulate the pressure of the second gaseous fuel to a second injection pressure; and command the injector to inject within 90 CA° of TDC during the compression stroke an injected quantity of a second injected gaseous fuel.

A gas production apparatus includes: a separator configured to separate and capture a separated gas including carbon dioxide as a main component from an exhaust gas of exhaust gas equipment; reactors which are downstream of the separator, each of the reactors: (i) containing a reductant configured to contact the separated gas to produce carbon monoxide through a reduction reaction of carbon dioxide; (ii) being configured to separate at least some oxygen atoms split off from carbon dioxide in the reduction reaction; and (iii) having a reducing agent containing a metal oxide configured to reduce carbon dioxide as the reductant; a reducer configured to supply a reducing gas containing a reducing substance configured to reduce the reducing agent oxidized by contact with carbon dioxide; a pressure regulator configured to regulate a pressure of the separated gas; and a flow regulator configured to regulate a flow rate of the separated gas.

The utility model discloses a pressure regulator with fault self -checking function, including electromagnetic cut -out valve, one side of electromagnetic cut -out valve is provided with pressure regulating box, and is provided with pressure regulating subassembly between pressure regulating box and electromagnetic cut -out valve, and the both ends of pressure regulating subassembly are provided with connecting assembly, improve the detection sensitivity of the problem such as pressure reflux caused by electromagnetic valve cut -off through the setting pressure regulating subassembly, can capture abnormal signal in time in the early stage of failure, avoid user gas interruption and reduce the time of waiting for on -the -spot repair of professional personnel, reduce the time and manpower cost of the troubleshooting due to failure, improve the security and reliability of pressure regulator, set up connecting assembly, can be convenient for the maintenance of the regulator and convenient dismounting in the follow -up, thereby avoid the problem of inconvenient dismounting due to rust.

The invention discloses a gas pressure regulator outlet pressure set value determination method based on online monitoring data, which comprises the following steps: online monitoring and acquiring operation data of a gas pressure regulator, and dividing the operation data into a plurality of time windows; classifying each time window into a normal working condition window and an abnormal working condition window; the first normal working condition window is used as a starting point, and gas pressure regulator outlet pressure set values of later time windows are sequentially determined; for the normal working condition windows, the corresponding gas pressure regulator outlet pressure set values are calculated based on the operation data; and for the abnormal working condition window, taking the gas pressure regulator outlet pressure set value corresponding to the previous normal working condition window as the gas pressure regulator outlet pressure set value of the current abnormal working condition window. The problem that the outlet pressure set value of the gas pressure regulator cannot be obtained online in the prior art is solved, and the purpose of determining the real-time outlet pressure set value of the gas pressure regulator based on the online monitoring data is achieved.

A gas-mixing device is provided for the controlled mixing of two different gases. The gas-mixing device has a first inlet for a first gas which is under pressure, a second inlet for a second gas which is under pressure, and an outlet for the mixed gas. The gas-mixing device also has two gas-conducting lines. The first line connects the first inlet to the outlet, and the second line connects the second inlet to the outlet. In each line, an upstream valve, a proportional valve and a flow sensor are provided. The gas-mixing device additionally has at least one electronic control unit for controlling the two proportional valves and is designed such that the proportional valve of the first line acts as a pressure regulator and the proportional valve of the second line acts as a flow regulator.

A hydrogen boiler comprises a self-producing hydrogen system, the hydrogen is produced by electrolysis. A cut off sensor 7.18 is attached to the system to prevent hydrogen leaks and a pressure regulator to keep the gas flow constant. A pressure cut off 7.13 turns off the hydrogen production when the tank is full. A flashback arrestor 8.6 prevents furnace flashback to the main oxyhydrogen production tank 2. The system may be powered by solar panels or standard AC power. The hydrogen is combusted in a furnace 3, which includes a heat exchanger 3.15 connected to the central heating system; heated water is then circulated to the radiators and hot water system. Water produced by the combustion of hydrogen is recovered and returned to the electrolyser. The system may also provide additional hot water systems 9 or a hot air system using a second electrolyser and furnace.

Device (1) for filling a container (2) with a filling product, preferably in a beverage filling plant, wherein the device (1) comprises: a product line (10) via which the filling product can be introduced into the container (2); a pneumatically actuated filling valve (20) which is designed to regulate the flow rate of the filling product in the product line (10); a pneumatic drive (30) which is connected to the filling valve (20) via a pneumatic line (31) and is designed to pneumatically actuate the filling valve (20); wherein the pneumatic drive (30) has a pressure regulator (32) which is designed to adjust the pressure in the pneumatic line (31) for actuating the filling valve (20).

A method to control a flow rate in a fluid flow network is disclosed. The method includes setting the outlet port of an upstream pressure regulator in a flow control device to have a first constant pressure that is below a minimum upstream pressure delivered from a upstream portion to the inlet port of the upstream pressure regulator, setting the outlet port of a downstream pressure regulator in the flow control device to have a second constant pressure to maintain a constant pressure differential across the downstream pressure regulator, and maintaining, based on the minimum upstream pressure to the flow control device exceeding the first constant pressure and further based on the constant pressure differential maintained across the downstream pressure regulator, the flow rate of the flow control device at a constant value.

The inventive subject matter provides for repurposing otherwise wasted thermal energy to drive a commercial process. Thermal energy from a two-phase immersion-cooling system containing a computer system is operably coupled with a compressor, heat exchanger, pressure regulator, and controller, to provide thermal energy at an elevated temperature to drive the commercial process. The immersion-cooling system can advantageously be used to cool computer systems, including Bitcoin miners, crypto miners, high-performance computers, AI computers, or other thermal energy producing devices. The system operates by extracting vapor of the working fluid residing in the headspace of the immersion-cooling system, increasing the pressure and temperature of the extracted vapor by compression, and then passing this vapor to a heat exchanger, thereby providing thermal energy to drive a commercial process. The pressure of the working fluid is reduced, and returned to the tank of the immersion-cooling system.