90 results about "Pressure regulator" patented technology

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.

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.

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

The objective of this invention is to provide a fuel supply system capable of appropriately controlling the discharge flow rate of fuel from a supply pump. A fuel supply system includes: a supply pump for discharging fuel from a fuel tank to a low-pressure line; an intake manifold injection valve for supplying fuel to an engine from the low-pressure line; a pressure regulator for adjusting the fuel pressure of the fuel discharged to the low-pressure line by causing a portion of the fuel discharged to the low-pressure line to flow back to the fuel tank, so as to ensure that the fuel pressure does not exceed a constant fuel pressure; and a control device that performs feedforward control of the fuel discharge flow rate of the supply pump using a feedforward term, instead of performing feedback control based on the actual fuel pressure supplied to the intake manifold injection valve.

This utility model belongs to the field of high-purity specialty gas storage technology, specifically a high-purity specialty gas storage device, including a tank. A diaphragm valve is installed on the exhaust pipe, and a pressure regulator is connected to the other end of the diaphragm valve. A pressure gauge and a flow meter are installed on the pressure regulator, and a particulate filter is connected to the other end of the pressure regulator. A gas guide pipe is connected to a high-purity specialty gas pipeline in the laboratory. High-purity specialty gas enters the diaphragm valve from the exhaust pipe, then enters the pressure regulator from the diaphragm valve, and then the depressurized high-purity specialty gas enters the particulate filter from the pressure regulator. The particulate filter filters the high-purity specialty gas, removing metal ions from the gas. This structure can effectively reduce the precipitation of metal ions and purify trace metal ions in the gas, ensuring the purity of the high-purity specialty gas and improving the storage effect of high-purity specialty gases.

A pressure stabilizing device includes a pressure regulator comprising a valve body, a pressure regulating component, and a switching component. The valve body has an inlet, a pressure reducing chamber, and an outlet. The inlet has an inlet port for connecting to the outlet of a portable gas canister. The pressure reducing chamber is connected to the inlet. The outlet is connected to the pressure reducing chamber and has an outlet port. The pressure regulating component is disposed in the pressure reducing chamber and regulates the gas pressure output from the portable gas canister to form an output gas with a predetermined pressure. The switching component is disposed in the outlet and located between the pressure reducing chamber and the outlet port, and can be controlled to block or open the output gas. This allows for the adjustment of the gas pressure output from the portable gas canister.

A system comprises a fluid supply, a pressure regulator, a pressure valve, and a vent assembly. The fluid supply stores a volume of a fluid and is fluidly coupled to an outlet tube. The outlet tube is configured to be fluidly coupled to at least a portion of an organ environment. The organ environment configured to hold an organ. The pressure regulator is fluidly coupled to the outlet tube and is configured to maintain a fluid pressure of the fluid being supplied to the organ environment from the outlet tube. The fluid being supplied is at a pressure range above ambient to maintain the organ in an inflated position. The pressure valve is fluidly coupled to the outlet tube and inhibits increase of the fluid pressure above a threshold. The vent assembly removes excess fluid from the organ environment and includes a vent tube disposed within the organ environment and a vent valve disposed outside of the organ environment.

A vehicle device is disclosed. The vehicle device includes: a frame having a first section, a second section, and a third section; a plurality of clamps positioned at the second section of the frame, the plurality of clamps being configured to hold a plurality of gas cylinders; and at least one encapsulation member mounted at the third section of the frame. Furthermore, the at least one encapsulation member mounted at the third section of the frame includes: at least one storage box for storing one or more objects; and a pressure regulator unit configured to be connected to the plurality of gas cylinders to regulate and monitor the pressure of the gas stored within the plurality of gas cylinders.

This utility model relates to the field of compensated voltage regulator technology, specifically, to a large-capacity compensated voltage regulator. It includes a detection circuit, a control circuit, and a compensation transformer. The detection circuit includes a voltage sensor, a current sensor, and a signal conditioning module. The signal conditioning circuit within the module consists of an amplification unit, a filter unit, and a buffer unit connected in sequence. The operational amplifier OA1 in the amplification unit generates bias voltage and adjusts the voltage signal amplitude. The operational amplifier OA2 in the filter unit filters out high-frequency interference signals. The operational amplifier OA3 in the buffer unit improves the circuit's driving capability and reduces the load's impact on the preceding stage. This utility model precisely processes the signal through the signal conditioning module and transmits it stably and accurately to the microcontroller, enabling it to control the compensation transformer for voltage compensation, ensuring stable power supply to the equipment, preventing equipment damage due to voltage fluctuations, and ensuring continuous and stable operation of the equipment.

An irrigation device having an adjustable pressure regulator is provided. The irrigation device includes a housing having an inlet and a riser movable relative to the housing between a retracted position and an extended position. A retainer is secured in the riser. A flow tube extends through the retainer and is configured to move relative to the retainer. The irrigation device includes a valve coupled to the riser with the valve closing the inlet when the riser is in the retracted position. The valve is spaced from the retainer in the riser by an axial gap. The irrigation device includes a seat positioned in the axial gap. The seat is adjustably mounted to the valve such that an axial position of the seat relative to the flow tube is adjustable to adjust a regulation pressure of the irrigation device.

The application discloses a kind of in-service gas pressure regulator performance attenuation evaluation method based on BX life, the method is processed training and identification to the running data of in-service running gas pressure regulator itself, proposes a pressure regulating work state evaluation index according to data anomaly proportion, and introduces BX life to evaluate the performance attenuation of in-service gas pressure regulator, and then give the maintenance strategy of next work cycle.The method of the application can first carry out performance analysis of gas pressure regulator without stopping gas and without removing pressure regulating device, improving the practicability and convenience of the method;Secondly, by obtaining the attenuation trend of pressure regulating performance, the performance of gas pressure regulator in subsequent operation can be more accurately predicted, which makes up for the shortcomings of traditional methods that only monitor but do not predict and only alarm when there is a fault;Finally, based on the maintenance strategy given by the method, the change of application scenario and use strategy is fully considered, which improves the effectiveness and applicability of the method.

This utility model discloses a paint storage device, including a storage tank. A feed pipe with a sealing cap is installed on the top of the storage tank, and a discharge pipe with a flow control valve is installed on the bottom. The flow control valve adjusts the paint flow rate as needed. An air pump is installed on the storage tank, and the output end of the air pump is connected to the discharge pipe via an air pipe. A pressure regulator connected to the air pump is installed on the air pipe. The advantages of this utility model are: the air pump and air pipe work together to improve the flowability of the paint in the discharge pipe through external pressurization, thus avoiding problems with poor discharge; the pressure regulator allows adjustment of the output pressure according to the viscosity of the paint to meet the discharge requirements of paints of different viscosities; and a servo motor drives the stirring blades on the stirring shaft to periodically stir the paint stored in the storage tank, preventing the paint from separating due to prolonged standing.

The utility model discloses a big flow's gas pressure regulator, it includes, bottom plate, the upper surface fixedly connected with the damping box of bottom plate, the inner surface of damping box is provided with two fixed holes, be provided with two bolts on the bottom plate, two the inner surface of fixed hole is provided with two damper, two the damper all is provided with spring, two the damper all is provided with jack two no.

This invention relates to the field of gas pressure regulator technology, specifically disclosing a high-precision rolling trigger type gas pressure regulator shut-off mechanism. The mechanism includes a pressure regulator body with an inlet and an outlet integrally formed on both sides. A pressure regulating diaphragm is fixedly installed at the lower part of the inside of the pressure regulator body, and a pressure regulating rod is fixedly installed above the center of the diaphragm. A connecting spring is provided on the surface of the pressure regulating rod above the diaphragm. A pressure regulating spring is also fixedly installed at the center of the top of the diaphragm. By employing a reset electromagnet and a reset electromagnetic ring, precise electrical control of the shut-off rod's movement is achieved. Compared to traditional purely mechanical shut-off valves, the electromagnetic components generate an attraction or repulsion force to drive the shut-off rod to slide axially within the shut-off control frame, thereby completing the reset opening or forced shut-off operation. This reduces the difficulty of manual intervention and solves the problems of cumbersome and labor-intensive reset operations in traditional shut-off valves.

A valve integrated pressure regulator (VIPR) assembly is provided that includes a valve integrated pressure regulator device, a protective shroud, and a visual alert indicator. The visual alert indicator is disposed in operative association with the valve integrated pressure regulator device and the protective shroud such that it is externally visible from a. front view, a back view, a right-side view, a left-side view and a top of the valve integrated pressure regulator assembly.

The invention relates to a method for operating a fluid storage system (2) of a fuel cell vehicle, comprising the steps: a. 100: Opening a pressure regulator valve unit (18) when a tank valve unit (10) is closed; b. 101: Acquiring a first measured fluid pressure at a high-pressure sensor (20) and acquiring a second measured fluid pressure at a medium-pressure sensor (16); and c. 102: Calibrating the high-pressure sensor (20) using the first measured fluid pressure and the second measured fluid pressure when the first measured fluid pressure detected at the high-pressure sensor (20) reaches or falls below a maximum second fluid pressure.

An apparatus for controlling a flow rate of a gas is disclosed herein, including a flow restriction element configured to restrict a flow rate of a gas; a pressure regulator coupled to an inlet of the flow restriction element, wherein the pressure regulator is configured to control a pressure of the gas between the pressure regulator and the flow restriction element; a flow meter coupled to an outlet of the flow restriction element, wherein the flow meter is configured to measure the flow rate of the gas at the outlet of the flow restriction element; and a controller operatively coupled to the pressure regulator and the flow meter, wherein the controller receives the flow rate measurement of the flow meter, determines a pressure setting associated with a target flow rate, and causes the pressure regulator to have the pressure setting.

Provided is a gas governor wherein a Venturi effect can be finely adjusted without being dependent on the dimensional tolerances of a Venturi shape, or similar. The present invention has: a secondary-side orifice W that is positioned in a downstream-side pipeline R2; an auxiliary diaphragm pressure chamber AS that, in accordance with the internal pressure thereof, controls the opening / closing degree of a pilot valve V, and is included in a pilot governor 3; and a connection pipeline Z that connects the auxiliary diaphragm pressure chamber AS and the downstream-side pipeline R2. The secondary-side orifice W produces a negative pressure on the basis of the flow of a gas in the downstream-side pipeline R2, detects a change in the flow rate of the gas in the downstream-side pipeline R2 as a change in pressure, and produces an auxiliary pressure P3 that is lower than a secondary pressure P2 by the amount of the negative pressure. The auxiliary diaphragm pressure chamber AS opposes a pilot spring n1 of the pilot governor 3 and supplements a force which opens and closes the pilot valve V. The connection pipeline Z includes a main line Z1 that connects the secondary-side orifice W and the auxiliary diaphragm pressure chamber AS, and a sub-line Z2 that connects the downstream-side pipeline R2, on the upstream side or the downstream side of the secondary-side orifice W, and the auxiliary diaphragm pressure chamber AS. The main line Z1 and the sub-line Z2 are respectively provided with variable throttles v1, v2. The interior pressure of the auxiliary diaphragm pressure chamber AS is a mixed pressure P2' of the auxiliary pressure P3 of the gas passing through the main line Z1 and the secondary pressure P2 of the gas passing through the sub-line Z2.

A plant (100) for nebulising liquid and / or powder products, by means of a vector fluid, such as compressed air or nitrogen, comprising an inlet (1), an outlet (2), a pipe (24) connected to the outlet (2) for connecting the plant (100) to means (25) for applying the liquid and / or powder products to an article, and a treatment circuit (50) of the vector fluid, interposed between the inlet (1) and the outlet (2). The treatment circuit (50) of the vector fluid comprises a pipe (5) wherein a pressure regulator (21), a power generation system (19), a filtering system (18), a heating pipe (40) having a first temperature control probe (41), a deionisation system (22) of the vector fluid, a second temperature control probe (42) and an emergency thermo-resistor (43) are present in cascade.

The invention relates to test benches for pieces of aviation equipment and can be used for testing an engine and propeller assembly (an engine with a propeller mounted thereto) for small unmanned aerial vehicles under icing conditions. A test bench for testing an engine and propeller assembly for ice accretion comprises a freezing chamber, a system for supplying power to and controlling the revolutions of the engine and propeller assembly undergoing testing, a system for monitoring the state of the engine and propeller assembly undergoing testing, meters for measuring the air temperature and humidity inside the freezing chamber, a two-phase nozzle for spraying water onto the engine and propeller assembly undergoing testing, and systems for supplying water and compressed air to the two-phase nozzle, wherein, in addition to a compressor with a tank, a pipeline, a filter and a compressed air pressure regulator, the system for supplying compressed air comprises an air dryer. The technical result of the invention is that of providing more accurate test results using a compact and energy efficient test bench.

The present invention relates to system for controlled cooling of tribotest chamber to cryogenic temperatures, wherein temperature inside enclosed chamber can be reduced to -150 °C through recirculation of filtered and dried compressed air throughout enclosed chamber, temperature inside tribotest chamber can be maintained throughout a test run, and comprises a compressor at least one pressure regulator (12) and pressure gauge (11) wherein pressure adjustment is made for a stream of air which was first pressurized in the compressor (14) and then conducted through air conduction tube (8) and open gate of solenoid valve (13), at least one radiator (7) immersed in liquid nitrogen inside liquid nitrogen tank (6) wherein pressure-adjusted air passed through air filter (10) and drying filter (9) is cooled by recirculation via heat conduction method, at least one tribotest chamber (1) where cooled compressed air is conveyed via at least one heat-insulated tube (5), at least one thermocouple probe (2) which measures ambient temperature inside tribotest chamber (1) instantaneously, a PLC unit which reads the temperature value measured by thermocouple probe (2) and adjusts temperature level.

A hydrogen gas burner includes a first, axially extending, tubular pipe having an axial slot in a sidewall thereof. An axially elongate duct projects radially outwardly from the axial slot and is in fluid communication with an interior of the pipe. The axially elongate duct has through-holes formed through a wall thereof, communicating the interior of the pipe with an exterior thereof. A second, axially extending, tubular pipe, has an axial opening in a sidewall thereof, the axial opening spanning at least a portion of an axial extent of the second pipe. The first pipe is substantially nested within the second pipe and the axially elongate duct projects radially outwardly through the axial opening. A combination gas valve and pressure regulator fluidly connects hydrogen gas with the first pipe. An igniter ignites and initiates combustion of the hydrogen gas exiting from the first pipe and duct via the through-holes.

A cart apparatus is disclosed. The cart apparatus comprising a frame having a first section, a second section, and a third section, a plurality of clamps positioned at the second section of the frame, the plurality of clamps configured to hold a plurality of cylinders, and at least one enclosure mounted at the third section of the frame. Further, the at least one enclosure mounted at the third section of the frame and comprises at least one storage bin for storing one or more objects, and a pressure regulator unit that is configured to be connected to the plurality of cylinders for regulating and monitoring pressure of gases stored within the plurality of cylinders.

The present invention provides an improved system for the biaxial expansion of polymeric pipe. Wherein the system comprises a tie bar, mandrel, and cooling system. In use, the polymeric pipe material is heated to be rendered plastic and biaxially deformable before being conveyed through the system, via the tie bar. Wherein the tie bar contains a plurality of channels for transporting fluid to different portions of the system. The first channel injects fluid over the mandrel, with the mandrel receiving a heated fluid that flows over the mandrel's surface counter-current to the pipe material, to lubricate the mandrel and increase friction between the pipe and the mandrel. The second channel collects the fluid from the mandrel to be reheated and recirculated. The third channel supplies a cooling fluid, consisting of air, to a cooling chamber formed by the rear of the mandrel, a downstream sealing member, and the pipe material between the two, wherein the cooling fluid is injected into the cooling chamber to freeze the material in place and providing sufficient volume to retain the pipe shape as it freezes, with the pressure inside the chamber being controlled by the upstream and downstream pressure regulators controlling the flow of fluid in and out of the cooling chamber, with the used fluid simply being released into the system's surroundings. Wherein the pipe material is pulled over the mandrel to be expanded to the desired dimensions before entering the downstream cooling system to be frozen into shape.

Various embodiments provide a leaching solution monitoring module comprising a first leaching solution distribution system interface, a flow meter in fluid communication with the first leaching solution distribution system interface, the flow meter in fluid communication a 3-way pressure regulator, and a second leaching solution distribution system interface in fluid communication with the 3-way pressure regulator.