519 results about "Fluid pipe" patented technology

Thermal management solutions for wireless power transfer systems are provided, which may include any number of features. In one embodiment, an implantable wireless power receiver includes at least one thermal layer disposed on an interior surface of the receiver configured to conduct heat from a central portion of the receiver towards edges of the receiver. The thermal layer can comprise, for example, a copper layer or a ceramic layer embedded in an acrylic polymer matrix. In some embodiments, a plurality of thermal channels can be formed within the receiver to transport heat from central regions of the receiver towards edges of the receiver via free convection. In yet another embodiment, a fluid pipe can be connected to the receiver and be configured to carry heat from the receiver to a location remote from the receiver. Methods of use are also provided.

This invention provides a method of treating a dry or processed fluid pipe line susceptible to the build-up of iron sulfide deposits by complexing the iron sulfide in the pipe lines. The method of the present invention introduces the composition on a continuous or a batch basis to a gas pipe line. The composition is made of a solution of 1) water, 2) [tetrakis(hydroxymethyl)phosphonium]sulfate or chloride, and 3) a soluble ammonium salt, such as ammonium chloride or the like.

A fluid monitoring and control system includes a central hub having a central processor, a user interface and an input / output port. A plurality of control devices communicate with the central hub. Each control device includes a fluid pipe section including a fluid inlet and a fluid outlet. A fluid valve is coupled in series within the fluid pipe section and an electric motor is mechanically connected to the fluid valve. A temperature sensor, pressure sensor and flow rate sensor are coupled to the fluid pipe section monitoring a temperature, pressure and flow rate of the fluid flow within the fluid pipe section. A control device processor is controllably connected to the electric motor, temperature sensor, pressure sensor and flow sensor. A control device input / output port is coupled to the control device processor, the control device input / output port in communication with the input / output port of the central hub.

The invention discloses an experimental apparatus for high-temperature high-pressure loop spray corrosion simulation and electrochemical testing, belongs to the electrochemical field, and is particularly suitable for simulation experiment of erosion corrosion caused by simulating the complex components such as elbow, tee and the like in petroleum and gas collection pipes, petroleum and gas conveying pipes and the like so as to convey the high-temperature high-pressure multi-phase fluid pipe components and in-situ electrochemical signal testing of the erosion corrosion of high-temperature high-pressure fluid under erosion conditions. The apparatus comprises a high pressure kettle, a circulating loop, a high-temperature high-pressure flow gauge, a vortex pump, a control box, a circulating condensation system, a three-electrode system, a signal conduction path, an external electrochemical work station and a high pressure gas bottle. The apparatus has the advantages of simulating the erosion corrosion condition of the fluid medium in the oil and gas pipeline well, testing the electrochemical signal of the working electrode under high-speed spray condition such as polar curve, AC impedance and the like and having important significance to the research of the erosion corrosion action, rule and mechanism of the high-temperature high-pressure fluid.

Ultraviolet radiation is used to disinfect air (105) in a flow tube (110), where the flow tube (110) includes total internal reflecting features (120) on a portion of its external surface and said ultraviolet radiation propagates through a portion of the flow tube via total internal reflection.

Disclosed is an actuating device for fixtures, particularly plumbing fixtures, comprising at least one input unit that is provided with a plurality of sensors which are connected to a control unit, and at least one drive unit for at least one closing device for at least one fluid pipe, especially a valve of a water pipe that can be controlled by means of the control unit. At least three sensors are arranged in a substantially regular manner essentially along a closed curve. The drive unit is triggered when signals of at least two adjacent sensors are detected.

The present invention relates to a snap-on coupling between a fluid pipe and a rigid tubular end fitting, this coupling comprising:a sleeve mounted on a pipe to be coupled to an end fitting that has a peripheral connecting projection,a locking member engaging with this projection to retain the end fitting in the sleeve, anda visual indicator which engages with the projection behind the locking member and occupying an extended position and a depressed position in the sleeve, the member and the indicator each having a head and two elastically deformable side legs, each leg of the indicator having a retention arm engaging with a lower side tooth and with a bottom stop, both formed on the corresponding side of the sleeve, when the indicator occupies the depressed and extended positions, respectively.According to the invention, this indicator is such as to: be retained in the extended position by these arms and by locking means formed on each leg bearing against the sleeve; be released by the connection; then be moved to the depressed position by pressure on its head; and then be held by the locking of the arms underneath these lower teeth, in such a way as to serve as an indicator and to double-lock the connection.

The invention relates to a supply system for a sub-cooling and nano particle jet flow minimal quantity lubrication coupled grinding medium. The supply system comprises at least one minimal quantity lubrication and sub-cooling jet nozzle combined unit which is arranged on the side of a grinding wheel guard of a grinding wheel and is matched with a workpiece on a workbench. Each minimal quantity lubrication and sub-cooling jet nozzle combined unit comprises a minimal quantity lubrication atomization minimal jet nozzle and a sub-cooling jet nozzle, wherein the minimal quantity lubrication atomization minimal jet nozzle is connected with a nano fluid pipeline and a compressed air pipeline, and the sub-cooling jet nozzle is connected with a sub-cooling fluid pipeline; the nano fluid pipe, the compressed air pipeline and the sub-cooling liquid pipeline of each unit are connected with a nano fluid supply system, a low-temperature medium supply system and a compressed air supply system through control valves; and the nano fluid supply system, the low-temperature medium supply system and the compressed air supply system are connected with a control device. By means of the supply system, grinding burn is effectively eliminated, the surface quality of workpieces is improved, and efficient low-consumption environment-friendly energy-saving low-carbon clean production is achieved.

The invention discloses an on-line measurement method for particle size distribution and shape distribution of granules in an airflow conveying pipe, and belongs to the technical field of on-line measurement of gas-solid phase flow. The on-line measurement method comprises the following steps: in the gas-solid phase fluid pipe, irradiating three sections in a granular flow field at the same time by three pulse laser sheet sources with different spectrums, and capturing RGB (red, green and blue) images of the flowing granules on the three illuminated sections of the flow field at the same time by adopting an RGB digital camera; and decomposing the RGB image of each frame and respectively processing three sub-images by an image processing method so as to obtain particle size distribution and shape distribution of the measured granules. The on-line measurement method has the beneficial effects that the images of the granules on three different sections of the flow field can be acquired at the same time by adopting three lasers with different spectrums, the RGB camera and a telecentric lens; imaging on a plurality of focusing surfaces can be realized simultaneously; and the exposure time of the camera can be controlled by means of pulse feedback of the lasers so as to realize imaging of the flowing granules, thus greatly lowering the complexity of a measuring device and improving the measurement efficiency.

A passive collection and pneumatic lifting system located in a well comprising a pneumatic tube, a fluid tube mounted within the pneumatic tube creating an annulus and a jet barrel chamber formed between the pneumatic tube and fluid tube in fluid communication at the zone to be recovered. A valve in the jet barrel in communication with the jet barrel and the zone to be recovered for allowing passive flow of product to be recovered into the jet barrel for collection therein and for closing upon the introduction of pneumatic fluid pressure by a pneumatic pressure generator to generate pneumatic fluid pressure sufficient to drive the product collected in the jet barrel up hole for recovery. A seal is located below the valve for sealing the product zone in the well from flow except through the valve.

A mechanical hand capable of switching rigidity and flexibility comprises an elastic macromolecular mechanical hand, a liquid metal filling material, a temperature control fluid, a fluid pipe, a refrigeration module, a heating module, a control module, a fluid pump, a sensing module and a data processing module. The fluid pipe is located in the elastic macromolecular mechanical hand, the liquid metal filling material and the temperature control fluid can enter the elastic macromolecular mechanical hand through the fluid pipe, a temperature control module can lower or increase temperature of the liquid metal filling material, so the liquid metal filling material can undergo phase change switching between a solid state and a liquid state, and thus the mechanical hand can change its rigidity. The application range of the mechanical hand is expanded, and the mechanical hand can be used for a soft material and can also be used for capturing a rigid object.

A Doppler type ultrasonic flowmeter has an ultrasonic transmitting means for emitting ultrasonic pulses from an ultrasonic transducer into a fluid pipe, a flow velocity profile measuring means for receiving an ultrasonic echo reflected from a measurement region in the fluid pipe thereby to measure a flow velocity profile of a fluid to be measured, a fluid flow rate computing means for calculating the flow rate thereof on the basis of the flow velocity profile of the fluid to be measured, and a frequency selecting and setting means for automatically selecting a fundamental frequency of an ultrasonic wave that causes a resonant transmission phenomenon to take place from the ultrasonic transducer. The frequency selecting and setting means controls the operation of the ultrasonic transmitting means such that an ultrasonic wave of a selected optimum frequency is emitted from the ultrasonic transducer. This arrangement makes it possible to provide a highly versatile Doppler type ultrasonic flowmeter that permits simple, easy, contactless, precise and highly accurate measurement of the flow rates of fluids to be measured that are flowing in various fluid pipes.

A system and method for controlling temperature in a workpiece chuck are described. A fluid circulation system circulates a temperature control fluid, such as an engineered HFE fluid, through te workpiece chuck. A fluid recovery system coupled to the fluid circulation system recovers a portion of the temperature control fluid from the fluid circulation system by circulating a gas through the fluid circulation system including fluid tubes and fluid passages in the chuck. The gas, which can be air, carries a portion of residual or excess fluid through the fluid circulation system as it is circulated. The residual fluid is carried back to a reservoir such that it can continue to be used to control temperature of the chuck. Where gas and temperature control fluid vapors are displaced from the reservoir, they are routed through a suction line heat exchanger which condenses the vapor. The gas and condensed fluid are separated in a fluid separator. The separated fluid is returned to the reservoir, and the separated air can be vented to the atmosphere.

Ammonia absorb-type refrigeration and heat pump dual-purpose system and the cool and heat-supply method are relates to the refrigeration and heat pump system which use ammonia as actuating medium and use low grade heat energy and the cool and heat-supply method using the system, the system includes generator, finestiller, segregator, solution throttle valve, absorber, the first solution heat exchanger, the first solution pump, fluid storing groove, subcooler and ammonia throttle valve, the system also includes re-suction device, resolver, balance fluid pipe, the second solution heat exchanger and the second solution pump, among them the generator, the finestiller and the segregator are series connected, the ammonia gas outlet end of the segregator is connected with the ammonia gas inlet end of re-suction device through the ammonia gas pipelines, so the system highest pressure parameters in system is same with refrigerating mode basically under the premise of ensuring heat-supply temreature, thereby it can realizes two functions of refrigeration and heat pump safely according different seasons on the same ammonia water absorb-type system.

The present invention is a ball valve which may be attached to a fluid pipe for connection / disconnection between an entrance and an exit. More particularly, the present invention is a ball valve having a discharge orifice communicating with ambient air in addition to the entrance and the exit for connection / disconnection between the entrance and the discharge orifice and / or between the exit and the discharge orifice. The ball valve of the present invention may be attached to piping systems such as, for example, the secondary side of a steam trap, which blocks steam but automatically discharges condensed water, and is used for checking a discharging state of the primary side steam trap and / or releasing remaining pressure on the secondary side.

The present invention provides a pneumatic pinch valve, comprising: a lever and a pressing piece, a fluid tube receiving space being formed between the lever and the pressing piece, wherein the pneumatic pinch valve further comprises a main body providing a cavity therein, the lever being installed on the main body; a piston provided in the cavity of the main body, the piston engaging with an inner wall of the cavity of the main body so as to divide the cavity into a first cavity and a second cavity, the pressing piece being positioned in the second cavity and supported on the piston; an air inlet port provided at the first cavity, wherein air introduced into the first cavity via the air inlet port moves the piston toward the fluid tube receiving space so as to press the fluid tube through an engagement of the pressing piece on the piston with the lever, and thus intercept the fluid in the fluid tube; and an air discharge mechanism provided at the piston, by which the piston pushes the air introduced into the first cavity, and then discharges the air into outside, so that the pressing piece releases the fluid tube to allow the intercepted fluid to flow through the fluid tube. Since the pneumatic pinch valve is communicated with the air source via the air inlet port and controls the interception and release of fluid in the flow passage in a pneumatic manner, the construction of the pneumatic pinch valve is simple. Moreover, since the pressurized amount of the fluid tube or the pressure of the air source can be adjusted, i.e. adjusting the pinching force applied to the fluid tube, the fluid tube is not easily deteriorated during long-time operation.

A fluid pipe connection device includes a plug sleeve fixedly fastened and mounted on a pipe joint used for mounting an internal tooth snap ring and a push tooth ring in the pipe joint and the plug sleeve. The internal tooth snap ring clamps the pipe wall after the pipe passes through the plug sleeve, the push tooth ring and the internal tooth snap ring. The push tooth ring pushes away internal teeth along the pipe insertion direction so as to lead the internal tooth snap ring to release the pipe wall before disassembling a pipe. A top end of the push tooth ring is basically flush with an exposed element or contracted in the exposed element under the pipe connection state. The exposed element is the more prominent one of the plug sleeve and the pipe joint. The invention also relates to a pipe disassembly tool.

The invention relates to a pulse cavitation multiple jet nozzle, which comprises a nozzle body which is formed into an open end on one end and a jet end with a hollow cylinder on the other end, the open end is used for connecting with a fluid pipe, and the jet end is provided with a plurality of jet orifices; the central position of the jet end is provided with a central jet orifice, and a plurality of lateral jet orifices are arranged around the central jet orifice; the nozzle body is internally provided with an impeller being capable of rotating, a part of the fluid flowing into the nozzle passes through the center of the impeller and the central jet orifice to form continuous straight jet, the other part of the fluid impacts the blades of the impeller to cause the impeller to rotate so as to make flow field on the inlets of the lateral jet orifices around the central jet orifice generate regular disturbance, thus a pulse jet can be formed, vacuole can be produced, a cavitation jet can be formed, and the cavitation jet and the pulse jet are coupled to form a pulse cavitation jet to be ejected from the lateral jet orifices. The invention is simple in structure, and can greatly improve the efficiency of drilling.

The present invention regards a joint for use in a riser (1) extending between a floating installation (3) and a subsea installation (2). The joint comprises an inner pipe segment (21) and an outer pipe segments (22), arranged moveable relative each other in an axial direction and connectable to respective riser segments, forming a chamber (23) between them with a radially extending piston (24), dividing the chamber (23) in a first chamber part (25) and a second chamber part (26), wherein on of said chamber parts (25) in an initial position of the joint is adapted to contain a mainly incompressible fluid, this chamber part (25) decreasing in volume as the inner pipe segment (21) is moved relatively out of the outer pipe segment (22). According to the invention the joint is configured with a fluid line connection (30) from said one chamber part (25) to the other chamber part (26), configured such that the relative movement of the pipe segments (21, 22) is controlled by the allowed flow rate of a fluid flowing out of the chamber part (25) through the fluid line connection (30) to the other chamber part (26).

The invention relates to a flashboard sealing device for charge and discharge machining in vacuum and pressure continuously, belonging to mechanical equipment machining area such as food, traditional chinese medicinal materials, chemical engineering and wood so on, mainly comprising charge (discharge) port, pressing board of charge (discharge) port, charge (discharge) pressing board, charge (discharge) middle frame, middle frame, collecting device, charge (discharge) sealing plate, reciprocating cylinder, U-shape sealing ring, charge (discharge) pressure fluid pipe, electromagnetic valve and forvacuum port so on. It is the sealing device that can maintain the vacuum degree / pressure under continuous charge and discharge of materials. It can applied in various equipments with different purposes such as food sterilization, fried deoiling machining, freezing machining in deep cold and precooling machining so on. It is adapted in various machining processes.

A thermal power measurement device is characterized in that the device comprises a calorimetry cylinder, a constant-temperature and heat-insulation system, a temperature equalization system, a calibration system, a signal processing and controlling system and a box body, wherein the calorimetry cylinder is a three-layer embedded composite structure; the inner-most layer is a sample chamber, the middle layer is semiconductor thermoelectric modules that are connected in series and the external wall is a constant-temperature layer; the sample chamber is internally provided with a thermocouple and a thermal resistor; the semiconductor thermoelectric modules are fixedly arranged between the sample chamber and the external wall by a mechanical method; the constant-temperature and heat-insulation system comprises a constant-temperature system and a heat insulation system; the constant-temperature system comprises a circular constant-temperature bath and a red copper fluid pipe; the red copper fluid pipe is closely attached to the external wall of the calorimetry cylinder; the inlet of the red copper fluid pipe is connected with the circular constant-temperature bath by a constant-temperature trough; the constant-temperature trough is internally provided with a remote temperature probe that is connected with the circular constant-temperature bath; the temperature equalization system comprises a fan that is arranged in the sample chamber; the calibration system comprises the thermal resistor; and the signal processing and controlling system comprises a computer and a data collecting card and is used for collecting signals in real time and controlling the fan power, calibration power and water bath temperature.

A Doppler type ultrasonic flowmeter has an ultrasonic transmitting means for emitting ultrasonic pulses from an ultrasonic transducer into a fluid pipe, a flow velocity profile measuring means for receiving an ultrasonic echo reflected from a measurement region in the fluid pipe thereby to measure a flow velocity profile of a fluid to be measured, a fluid flow rate computing means for calculating the flow rate thereof on the basis of the flow velocity profile of the fluid to be measured, and a frequency selecting and setting means for automatically selecting a fundamental frequency of an ultrasonic wave that causes a resonant transmission phenomenon to take place from the ultrasonic transducer. The frequency selecting and setting means controls the operation of the ultrasonic transmitting means such that an ultrasonic wave of a selected optimum frequency is emitted from the ultrasonic transducer. This arrangement makes it possible to provide a highly versatile Doppler type ultrasonic flowmeter that permits simple, easy, contactless, precise and highly accurate measurement of the flow rates of fluids to be measured that are flowing in various fluid pipes.

In order to provide a technology in an ultrasonic flowmeter to efficiently penetrate through both of a wedge and a fluid pipe surface so as to contribute to more accurate measurement of a flow rate. An ultrasonic flowmeter includes an ultrasonic transmitter for launching ultrasonic pulses of a predetermined frequency into the fluid to be measured in fluid pipe from an ultrasonic transducer along a measurement line; a flow velocity distribution measurement means for measuring flow velocity distribution of the fluid to be measured in a measurement region by receiving ultrasonic echoes (reflection wave A) reflected from the measurement region among the ultrasonic pulses incident into the fluid to be measured; and a flow rate operation means for operating a flow rate of the fluid to be measured in the measurement region based on the flow velocity distribution of the fluid to be measured, and a clamp-on type is adopted. A condition to make both a distance from the ultrasonic transmitter in the wedge to the outer surface of the liquid pipe and the wall width of the fluid pipe be an integral multiple of λ / 2 of the frequency used should be satisfied.

A device for testing infiltration capacity of a frozen soil side slope during raining belongs to the field of civil engineering equipment, solves the problem that the traditional device for studying the rainfall infiltration capacity cannot be used for studying the infiltration capacity of frozen soil, and includes a refrigerator box, a soil sample box, a refrigerator box cover, a Markov bottle, a water temperature regulator, a raining device, sunshine simulation equipment, a slope surface water collecting tank, a box bottom water collector and a monitoring element, wherein a refrigerating fluid pipe is laid on the inner wall of the refrigerator box in a curved manner; an inlet and an outlet are arranged on the box wall of the refrigerator box and connected with a pipeline of a refrigerating machine outside the refrigerator box; the water temperature regulator is placed in the Markov bottle, and the water temperature of the Markov bottle is 5 DEG C to 30 DEG C; and the sunshine simulation equipment is installed above the soil sample box. The device is used for simulating the infiltration condition of the frozen soil side slope during raining, studying the influence degrees of all the influence factors on the rainfall infiltration capacity and providing the reference for the evaluation on the frozen soil slope stability, thereby being used for guiding the design and maintenanceof the side slope project for railways and highways in frozen soil areas.

A spill-proof pour spout for transferring fluid from a container to a vessel comprising a base having an inner sleeve extending outwardly therefrom, a conduit member located in the inner sleeve, and an outer sleeve slidingly engaging the inner sleeve. The conduit member has a fluid tube, and air tube and an end cap. The outer sleeve is in a first closed position wherein the outer sleeve contacts the end cap preventing fluid flow from the pour spout. The pour spout can only be opened by rotating the outer sleeve to a first or second indexing position. By rotating the outer sleeve either clockwise or counterclockwise relative to the inner sleeve, the outer sleeve is adapted to be slid to a first open position permitting fluid to flow at a first flow rate through the fluid tube and out of the pour spout. By further rotating the outer sleeve either clockwise or counterclockwise, the outer sleeve is adapted to be slid to a second open position permitting fluid to flow at a second flow rate through the fluid tube at a second flow rate and out of the pour spout.

A tube assembly for cooling an incoming fluid stream and destroying pollutants contained therein comprises a tube with a catalytic coating on its inner wall and an arrangement for disrupting laminar flow of the fluid stream as it transits the tube, thereby causing turbulence which increases mass transfer between the gas phase and the catalyst-coated inner surfaces. One embodiment comprises an axially inserted turbulator that is segmented by one or more axially directed cuts, each segment rotated by an offset angle with respect to an adjacent segment, and optionally coated with the catalytic coating. Another embodiment comprises sets of opposed dimples, each set separated from its adjacent set by a linear distance and an axial angle. Such tube assemblies may be advantageously employed in aircraft environmental control systems for conditioning cabin air.

A gas turbine engine 10 is provided with electrical harness rafts 200 comprising electrical conductors embedded in a rigid composite material. The rafts 200 are used to transport electrical signals (which may be, for example power and / or control signals) around a gas turbine engine. Rafts 200 may be connected together and to other components using flexible cables, that may help to accommodate relative movement of the rafts 200, for example through vibration. The rafts 200 are lighter, more compact, and more convenient to handle than conventional electrical harnesses. The rafts 200 may provide a convenient and secure mounting surface for other components / systems of a gas turbine engine, such as EECs and / or fluid pipes.

System and method for identifying defects in a fluid pipe construction, where the method includes: receiving output signal data of at least two acoustic sensors configured for measuring flow related acoustic measures of the pipe constructions at least at the entrance point and at least one exit points thereof; and processing the received output signal data for identifying one or more types of flow related defects, using ultrasonic spectral range of the received signal data, wherein the identification is carried out by calculating at least the difference between the flow in the entrance and exit points of the pipe construction within the ultrasonic spectral range and comparing the calculated difference with at least two references indicating at least two flow states. The references are indicative of the flow states within the ultrasonic spectral range under normal conditions.