Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

35results about How to "Smooth fluid flow" patented technology

T-port with swabbable valve

A slit-type T-port site that includes a swabbable valve with a slit at an end thereof. The valve stem with a slit is located in a valve body and is deformable. When engaged by a tip of an instrument, the top portion of the stem folds inward and its slit opens to form a direct non-hemolytic flow pathway between the instrument and the main T-port site flow channel.
Owner:HALKEY ROBERTS CORP

Moving heat exchange catheter system

A catheter system for controlling the body temperature of a patient by modifying the temperature of blood flowing within a blood vessel of the patient. The catheter system comprises a catheter body having a heat exchange region in contact with the blood; and a mechanism for moving the heat exchange surface, thereby increasing heat exchange between the heat exchange surface and blood flowing past the heat exchange surface. Various methods of moving the heat exchange surface are disclosed.
Owner:ZOLL CIRCULATION

Stable gas membrane and method used for removing, recovering, and gathering ammonia or organic amine from dosage liquor or wastewater

The invention relates to a stable gas membrane used for removing, recovering, and gathering ammonia or organic amine from dosage liquor or wastewater. The gas membrane comprises a membrane shell, hollow fibrous membranes (A) and hollow fibrous membranes (B). A cavity is provided in the middle of the membrane shell. An inlet and an outlet are respectively arranged on each of the two ends of the membrane shell. The hollow fibrous membranes (A) and the hollow fibrous membranes (B) are positioned in the cavity of the membrane shell. A shell pass outlet communicating with the atmosphere is arranged on a lower end of the membrane shell. The hollow fibrous membranes (A) and the hollow fibrous membranes (B) are uniformly arranged in the membrane shell with regular spaces. Dosage liquor or wastewater containing ammonia or organic amine is delivered through the tube pass of the hollow fibrous membranes (A), and absorption liquid is delivered through the tube pass of the hollow fibrous membranes(B). With the gas membrane provided by the invention, problems of traditional gas membranes of leakage and low service life are overcome; dilution of a byproduct ammonium salt solution caused by a concomitant osmotic distillation phenomenon can be effectively inhibited; ammonium salt concentration of the byproduct ammonium salt solution can be increased from 10-20% to 20-40%; mass transfer coefficient at the acid absorption liquid side can be substantially improved; the ammonia removing efficiency is high; the ammonia removing effect is stable for a long-term; and the service life of membranesets can be improved by 3-10 times than common gas membranes.
Owner:天津凯铂能膜工程技术有限公司

I-shaped tree type cross flow heat exchanger

The invention discloses an I-shaped tree type cross flow heat exchanger which comprises a heat exchange tube bundle, a shell, a tube box and a tube plate, wherein the tube box and the tube plate are positioned at two sides of the shell; two ends of the heat exchange tube bundle are fixed on the tube plate, and are communicated with the tube box after penetrating through the tube plate; the heat exchange tube bundle is of the I-shaped tree structure; the I-shaped tree structure at least comprises one tree unit structure, wherein each tree unit structure comprises heat exchange tube bundles with two layers of tree structures and tail end communicating pipelines, and the last stage branch ports of the heat exchange tube bundles of the two layers of tree structures are communicated by the tail end communicating pipelines. According to the invention, the shell space is fully utilized, the heat exchange area required by the heat exchange of fluid is increased greatly, the path optimization functions of fluid transportation and energy transmission are realized, the power consumption of a fluid flow pump can be decreased effectively, and the flow heat exchange can be intensified, and the aim of efficient heat exchange and energy conservation is achieved.
Owner:SOUTHEAST UNIV

System and method for sensing a characteristic of a fluid and related apparatus

An apparatus for intended use in measuring, sensing, or detecting a characteristic of a fluid, such as a liquid food product, is disclosed. The apparatus includes a body having a pocket for positioning adjacent to the opening in a pipe or like structure for receiving a portion of a fluid therein. In one possible use, a first optical medium, such as an optical fiber, transmits light from a source toward a portion of the fluid flow entering the pocket. Light received by one or more optical mediums positioned in backscatter, sidescatter, or transmission configurations relative to the first optical medium is detected by a corresponding sensor or detector. Using the output of this sensor or detector, an optical characteristic of the fluid may be measured. An overall system using the apparatus and related method for detecting an optical characteristic of a fluid are also disclosed.
Owner:UNIV OF KENTUCKY RES FOUND

Solenoid-actuated diaphragm valve

A solenoid-actuated diaphragm valve achieves minimal dead volume, tolerance of high pressures, prolonged diaphragm life, and energy conservation using a three-sector diaphragm in concert with a constraining plate which confines vertical displacement to the central sectors of the diaphragm.
Owner:KOZAK EUGENIUSZ

Cooling type clapboard for U-shaped stuff back-feeder

The invention discloses a cooling type clapboard for a U-shaped stuff back-feeder, and relates to technology of a solid material back feeding device. The clapboard comprises an intermediate clapboard vertically arranged between a descending pipe and an ascending pipe of the U-shaped stuff back-feeder and a stuff back feeding clapboard vertically arranged between the ascending pipe and a refeed pipe; wherein the intermediate clapboard and the stuff back feeding clapboard comprise a cooling pipe bundle and a refractory abrasive-resistant material coated outside the cooling pipe; at least one end of the cooling pipe bundle penetrates the shell of the stuff back-feeder, and is communicated with a header which is arranged outside the shell of the stuff back-feeder; a cool working substance is introduced into the cooling pipe. The cooling type clapboard for the U-shaped stuff back-feeder has simple structure and smooth process of the working substance, ensures that the intermediate clapboard and the stuff back-feeder of the U-shaped stuff back-feeder can be cooled, prolongs service life of the clapboard, and ensures long-term safe and stable operation of the stuff back-feeder.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI

Intelligent-control energy-saving greenhouse

The invention relates to an intelligent-control energy-saving greenhouse. The greenhouse comprises a greenhouse body arranged on the ground. The greenhouse is characterized in that the greenhouse bodycomprises an inner-layer transparent shell and an outer-layer transparent shell, and further comprises an underground trench; groundwater flows through the lower half part of the underground trench,one end of the underground trench communicates with an air inlet arranged in the ground for introducing external fresh air into the upper half part of the underground trench, and the other end of theunderground trench communicates with an interlayer of the inner and outer double-layer transparent shells for introducing fresh air into the interlayer; and the top of the outer-layer transparent shell is provided with at least one openable chimney, the bottom of the inner-layer transparent shell is provided with at least one openable first air door, and the position, corresponding to the chimney,of the top of the inner-layer transparent shell is provided with at least one openable second air door. The intelligent-control energy-saving greenhouse provided by the invention can comprehensivelyutilize natural resources such as sunlight, water and air, and make the utilized natural resources have a synergistic effect, thereby being capable of saving secondary energy sources and regulating and controlling an indoor environment comfort degree.
Owner:ZHEJIANG WANLI UNIV

Filter element adaptor for compressed air filter

A filter head adaptor for a compressed air filter. The filter head adaptor capable of modifying a filter head to accommodate a variety of different style filter elements. The filter head adaptor including a main body connector, a filter element connector, and a second inlet channel in fluid communication between the main body connector and the filter element connector, the main body connector is adapted for coupling to the adaptor connector of the main body, whereby the main body connector is adapted for coupling to a filter head. The invention includes contemplates requiring a reduced inventory of filter heads and filter bodies for a plurality of filter elements, as the appropriate filter head adaptor may be selected which presents a particular filter element connector which matches that of the filter element intended to be used.
Owner:INGERSOLL RAND IND U S INC

System and method for providing pressurized infusion transfer reservoirs

Apparatus, system and method for providing pressurized infusion of liquids and, more particularly, providing a stable and pressurized flow of fluid to the eye during surgery. Aspiration fluid may be received via an aspiration line at a first peristaltic pump, where aspiration fluid is transferred to a Venturi tank reservoir coupled to a second peristaltic pump. Fluid from a fluid source is provided via a third peristaltic pump to a pressurized infusion tank. A determination is made if the pressure in the pressurized infusion tank is at a predetermined level, where fluid may be transferred from the pressurized infusion tank to an irrigation line when pressure in the pressurized infusion tank is determined to be at the predetermined level. Alternate activation of a plurality of aspiration and irrigation lines are also provided.
Owner:JOHNSON & JOHNSON SURGICAL VISION INC

Gas turbine

A gas turbine includes an outer casing having an annular shape; an inner casing disposed inside the outer casing; and a plurality of struts, each strut having a first end fixed to an outer surface of the inner casing, a second end fixed to an inner surface of the outer casing, and an inclined portion for guiding a flow of combustion gas, wherein the inclined portion is inclined from a front side to a rear side.
Owner:DOOSAN HEAVY IND & CONSTR CO LTD

Stable gas membrane and method used for removing, recovering, and gathering ammonia or organic amine from dosage liquor or wastewater

The invention relates to a stable gas membrane used for removing, recovering, and gathering ammonia or organic amine from dosage liquor or wastewater. The gas membrane comprises a membrane shell, hollow fibrous membranes (A) and hollow fibrous membranes (B). A cavity is provided in the middle of the membrane shell. An inlet and an outlet are respectively arranged on each of the two ends of the membrane shell. The hollow fibrous membranes (A) and the hollow fibrous membranes (B) are positioned in the cavity of the membrane shell. A shell pass outlet communicating with the atmosphere is arranged on a lower end of the membrane shell. The hollow fibrous membranes (A) and the hollow fibrous membranes (B) are uniformly arranged in the membrane shell with regular spaces. Dosage liquor or wastewater containing ammonia or organic amine is delivered through the tube pass of the hollow fibrous membranes (A), and absorption liquid is delivered through the tube pass of the hollow fibrous membranes (B). With the gas membrane provided by the invention, problems of traditional gas membranes of leakage and low service life are overcome; dilution of a byproduct ammonium salt solution caused by a concomitant osmotic distillation phenomenon can be effectively inhibited; ammonium salt concentration of the byproduct ammonium salt solution can be increased from 10-20% to 20-40%; mass transfer coefficient at the acid absorption liquid side can be substantially improved; the ammonia removing efficiency is high; the ammonia removing effect is stable for a long-term; and the service life of membrane sets can be improved by 3-10 times than common gas membranes.
Owner:天津凯铂能膜工程技术有限公司

Overturning plate type electric control valve device

PendingCN109404545ASatisfy the need for less turning of the runnerRunner turns lessOperating means/releasing devices for valvesLift valveAviationElectric control
The invention belongs to the technical field of aviation and relates to an overturning plate type electric control valve device. The device comprises an upper shell, a lower shell, a first oil way anda second oil way, wherein the first oil way and the second oil way are arranged between the upper shell and the lower shell. The first oil way and the second oil way common use the same inlet and thesame outlet. An electromagnetic valve is arranged on the first oil way, and a piston is arranged at the position, between the inlet and the electromagnetic valve, on the first oil way. A valve is arranged on the second oil way. When the electromagnetic valve is electrified, the first oil way is cut off, the piston abuts against the valve, the valve is forced to be closed, and the second oil way is cut off; and when the electromagnetic valve is not electrified, the first oil way is smooth, oil liquid entering the second oil way pushes the valve under the effect of the oil liquid, and thereforethe second oil way can be smooth.
Owner:YIBIN SANJIANG MACHINERY

Modular sidestream gas sampling assembly

Apparatus and method of sampling gas from a patient using a gas sampling assembly that include a patient interface assembly having a patient interface portion and a first gas sampling tube. The patient interface portion communicates with an airway of a patient and is attached to a first end of the first gas sampling tube so that the patient interface assembly is a unitary component. A second gas sampling tube is releasably engageable with the second end of the first gas sampling tube such that substantially smooth and undisturbed fluid flow is maintained between the first gas sampling tube and the second gas sampling tube. The second gas sampling tube connects to a gas sensor and can be used with other patient interface assemblies.
Owner:RIC INVESTMENTS LLC

Equipment for polypropylene foaming

The present invention discloses a device used to foam polypropylene. The device comprises a foaming tank body, the top of which is provided with a water inlet connection tube, a foaming agent inlet connection tube, a solid modified polypropylene inlet connection tube, a gas inlet connection tube, a pressure display connection tube, a vent connection tube and a safety valve connection tube; a stirring shaft, which is arranged at the center of the foaming tank body, is fixed on the upper end enclosure of the foaming tank body by a shaft housing; the upper end of the stirring shaft is provided with a stirring motor; the lower end of the stirring shaft is provided with a stirring impeller; the bottom of the foaming tank body is orderly connected with discharging outlet connection tubes, and the upper end is provided with a rapid pressure release valve; a foaming tank jacket is arranged outside the lower part of the foaming tank body; a steam inlet connection tube and a steam outlet connection tube are respectively arranged on the upper and the lower parts of the foaming tank jacket; a thermometer connection tube is arranged on the middle part of the foaming tank body. The device can ensure the uniform heat transmission and mass transfer of the polypropylene in order to ensure uniform foaming, and since the fluid can flow smoothly, foamed polypropylene particles cannot easily stickto the wall, thus ensuring the polypropylene foaming quality and the stable operation of the device.
Owner:ZHEJIANG AIHUA NEW MATERIAL SCI & TECHNDLOGY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products