579 results about "Pressure regulator" patented technology

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 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 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.

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.

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.

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.

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.

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 invention relates to an electronic cigarette and a control method, the difference value P between the internal pressure of an oil storage cavity and the ambient atmospheric pressure is monitored in real time through a differential pressure sensor, when P is not 0, a corresponding control signal is generated according to the actual situation and sent to a battery host, and the battery host controls an air pressure regulator to increase or decrease air in the oil storage cavity according to the control signal. Static pressure of the electronic cigarette is constant, and oil leakage of products caused by environmental factors such as high temperature or pressure is avoided. On the basis that the static pressure of the electronic cigarette is constant, the flow of tobacco tar flowing out of the tar storage cavity is equal to the flow of air flowing into the tar storage cavity, and the tar supply speed is also in direct proportion to the speed of air; the flow and the flow speed of air flowing into the oil storage cavity can be controlled through the air pressure regulator to control the flow and the flow speed of tobacco tar flowing out of the oil storage cavity, dynamic consumption of the tobacco tar needed by the assembly is met, accurate oil supply and control according to use requirements and use habits of a user are achieved, and better use experience is brought to the user.

The invention relates to a system (1) for aligning an annular body (2) relative to a structural body machining surface (3) of a structural body (4) to be machined, comprising: a pneumatic actuator device (8) having at least one actuator (7) with which the annular body (2) is coupled or can be coupled to a movement, and a pressure regulator device (15) which is fluidically connected to the pneumatic actuator device, wherein the pressure regulator device (15) supplies and / or discharges a mass flow of compressed air to and / or from the pneumatic actuator device (8) for controlling the alignment of the annular body (2) relative to the structural body machining surface (3) of the structural body (4). The invention further relates to a method for aligning an annular body (2).

A liquefied petroleum (LP) gas fuel system includes a fuel source to store a liquid LP gas and a fuel supply system to draw the liquid LP gas from the fuel source and selectively deliver a vapor LP gas and the liquid LP gas into a plurality of cylinders of an internal combustion engine. The fuel supply system includes liquid LP gas injectors, vapor LP gas injectors, a fuel pump to displace the liquid LP gas fuel from the fuel source to the liquid injectors, and a fuel pressure regulator to deliver the vapor LP gas to the vapor injectors. The fuel system includes a controller to actuate the fuel pressure regulator to deliver the vapor LP gas to the vapor injectors and actuate the fuel pump to deliver the liquid LP gas to the liquid injectors.

In an embodiment, a user operated pneumatic sterile liquid compounding device enables a user to easily and rapidly perform a sterile liquid compounding operation. The frame of the device is configured to receive a syringe with a needle inserted into a sterile vial. A pneumatic cylinder including a pusher rod connected to a pusher plate engages the top of the syringe plunger. Initially a user-operated lever is in an “UP” position. When the lever is moved to a “DOWN” position, the device engages the pusher plate to move the plunger down to inject the liquid in the syringe into the sterile container. The compounding device is powered by pressured gas from a cartridge via an adjustable pressure regulator, a pressure release valve, and a pneumatic cylinder valve connected to the pneumatic cylinder to allow pressured gas applied to the pneumatic cylinder to raise and lower the rod.

The application discloses a safe and explosion-proof gas pressure regulator, which is applied to the technical field of gas pressure regulators and comprises a body, a pressure regulating mechanism, a back pressure mechanism, a temporary storage mechanism, a coordination mechanism and a supporting mechanism, wherein the supporting mechanism is arranged on the body, the pressure regulating mechanism, the back pressure mechanism, the temporary storage mechanism and the coordination mechanism are all arranged on the supporting mechanism, the pressure regulating mechanism, the temporary storage mechanism and the back pressure mechanism are sequentially arranged on one side of the body in an anticlockwise direction, the pressure regulating mechanism comprises a pressure regulating bin, a pressure regulating plate, a push plate and a special-shaped cam, a gas guide hole one is arranged at the center of one end of the pressure regulating bin, and a gas guide hole two is arranged at the center of the other end of the pressure regulating bin, a plurality of pressure regulating holes are equidistantly arranged on the pressure regulating plate along the circumferential direction of the gas guide hole one, and a plurality of air permeation holes are equidistantly arranged on the push plate along the circumferential direction of the gas guide hole one, and the application can improve the durability, operation stability and service life of the gas pressure regulator.

The invention relates to the technical field of conical sealing rotary valve production, in particular to a pretightening force compensation control device for a conical sealing rotary valve. The device comprises a pre-tightening body, a cylinder, a piston, a ball, a displacement sensor, a pressure sensor and a controller for control, the cylinder, the piston, the ball, the displacement sensor, the pressure sensor and the controller are arranged in the pre-tightening body, in the device, after the conical surface of the rotor is abraded or thermally displaced, the ball descends, and the piston also descends under the action of a wave spring and air pressure; the displacement sensor detects the displacement of the piston in real time, the pressure sensor detects the air pressure in the air cylinder in real time and transmits signals to the controller, the controller immediately calculates the needed air pressure and controls the proportional valve pressure regulator to complete pressure regulation and recover the conical surface sealing force, manual intervention is not needed, and closed-loop control ensures that the sealing force is constant.

The invention relates to a refueling receptacle (50) for an aircraft (10) adapted for in-flight refueling, the receptacle being configured to be fluidically connected to a line (54) of the aircraft intended to receive fluid from another aircraft, referred to as the refueling aircraft (12), the receptacle (50) comprising a connection device (60) configured to connect the aircraft line (54) with a boom (18) of the refueling aircraft (12), the connection device comprising a mechanical coupling system (62) configured to couple the aircraft line (54) with the boom (18), the receptacle being characterized in that the connection device comprises a pressure regulator (66) arranged downstream of the mechanical coupling system (62) and configured to limit the pressure of the fluid from the refueling aircraft below a maximum value. Figure 2

This utility model discloses a gas pressure regulator with a shut-off valve and a built-in balancing valve, including a main valve body, a main regulating valve body, a balancing valve assembly, and a shut-off valve body. The balancing valve assembly is installed on the main valve body, and the main regulating valve body and the shut-off valve body are fixedly connected to the main valve body. The main valve body is internally divided into an inlet chamber and an outlet chamber by a partition, and a main valve port is provided on the partition between the inlet chamber and the outlet chamber. The main valve body has a first connection port, and a second connection port is provided on the other end opposite to the first connection port. The shut-off valve body is fixedly connected to the second connection port by a shut-off flange, and a shut-off valve gasket connected to the shut-off valve body by a shut-off valve stem can abut against the main valve port. The main regulating valve body has a third connection port, which is axially connected to the first connection port and fixedly connected by a clamp on its outer periphery. The balancing valve assembly is installed on the inner periphery of the first connection port, and the valve core in the balancing valve assembly can abut against the main valve port. This utility model has a simple and compact structure, is easy to disassemble and install, is easy to adjust, and has stable and safe performance.

The objective is to provide a fuel supply system that can appropriately control the fuel discharge flow rate of a feed pump. [Solution] A fuel supply system comprising: a feed pump that discharges fuel from a fuel tank to a low-pressure pipe; a port injection valve of an engine to which fuel is supplied from the low-pressure pipe; a pressure regulator that adjusts the fuel pressure of the fuel discharged to the low-pressure pipe so as not to exceed a certain fuel pressure by returning a portion of the fuel discharged to the low-pressure pipe to the fuel tank; and a control device that performs feedforward control of the fuel discharge flow rate of the feed pump using a feedforward term without performing feedback control based on the actual fuel pressure supplied to the port injection valve.

An apparatus is configured to dispense assembly material on an electronic substrate. The apparatus includes a frame and a unit coupled to the frame. The unit includes a material cartridge coupled to a pressure regulator configured to deliver pressurized air to the material cartridge at a desired pressure. The material cartridge is configured to contain assembly material. The apparatus further includes a substrate support configured to support the electronic substrate and a controller configured to control the apparatus including the unit. A system to detect static volume in the material cartridge includes a mass flow meter to measure a volume of air delivered to the material cartridge. The controller is configured to determine a volume of assembly material in the material cartridge upon determining the volume of air in the material cartridge.

Hydraulic arrangement with a hydraulic machine (2) and with an adjusting device (4) for adjusting a delivery volume of the hydraulic machine (2), wherein a blocking means (16) is provided downstream of the hydraulic machine, and wherein a pressure measuring device (10) is arranged on the outlet side of the hydraulic machine (2) and upstream of the blocking means (16), wherein a pressure regulator (6) is provided which regulates a pressure according to a setpoint by means of the adjusting device (4), and wherein a detection device (28) is arranged for detecting a control degree of the adjusting device (4) and / or a control signal supplied to the adjusting device (4), wherein a control unit (30) is provided which is configured to specify a setpoint pressure and which is configured to evaluate the control degree and / or the control signal to determine the leakage.

The application relates to a packaging bag taking mechanism and a bag taking machine, and belongs to the technical field of packaging bag taking, which comprises a rack, a feeding belt, a page separating wheel, a pressing rod, an ion fan, a pressure regulator and a pressure detector. The front end of the rack is provided with an inlet area, the rear end is provided with a collection area, the top surface cover of the front end of the rack is provided with a protective cover, the un-separated packaging bags are placed in the inlet area, the pressing rod is slidingly installed on the top surface of the protective cover and is used for pressing the top surface of the un-separated packaging bags, the pressure detector is installed on the bottom surface of the pressing rod and is used for detecting the pressure received by the pressing rod, the feeding belt is installed on the top surface of the rack, the page separating wheel is installed on the top surface of the rack and is located above the feeding belt, the ion fan is installed at the end of the inlet area and blows air to the bottom surface of the page separating wheel, and the pressure regulator adjusts the pressing pressure of the pressing rod according to the detection result of the pressure detector. The application solves the problem that the existing packaging bags are prone to taking failure in the process of separation and taking.

Disclosed is a pressure regulator seat that includes a seat body and a base. The seat body can include a flange that extends radially from an upstream edge of the seat body. In some configurations the pressure regulator includes a first projection disposed on an upstream surface of the flange and that extends in an upstream direction so as to separate a flow of fluid flowing in a downstream direction into at least two flow paths. In some configurations, a throttling seat is disposed on a downstream surface of the flange and has a second projection. The flange and the base can form a chamber therebetween. The at least two flow paths can enter the chamber. In some configurations, the second projection can extend in the downstream direction and into the chamber.

A natural gas chemical composition measurement and detection apparatus and method. The apparatus comprises: a detector tube (3), a pressure-resistant cavity (5), a color sensor (9), a pressure regulator (4), a flow detector (6), and a control device (10); an open end of the detector tube (3) is configured for connecting to a natural gas sample injection system; a first open end of the pressure-resistant cavity (5) is configured for securing the detector tube (3); a second open end of the pressure-resistant cavity (5) is in communication with an internal cavity of the pressure-resistant cavity (5), and is configured for connecting to the natural gas sample injection system and is connected to the flow detector (6) by means of the pressure regulator (4); the color sensor (9) is arranged on an outer side of the pressure-resistant cavity (5) and is configured for detecting a color change in the detector tube (3) at a sensing position; and the control device (10) is configured for turning off the flow detector (6) when the color sensor (9) detects a color change, and calculating a concentration of a component to be detected according to a color change length in the detector tube (3) and a volume of natural gas detected by the flow detector (6). The apparatus enables automatic natural gas sample injection, improves repeatability, reduces the complexity of sample injection processes, and improves detection accuracy and efficiency.

A gas delivery system 1, 2 comprises a pressurised gas source 4, 16 and pressure regulator 5, 17 for regulating the pressure of the gas flow from the gas source, an input line in communication with a