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150 results about "Small mouth" patented technology

Adjustable multi-streaming type steam jet heat pump

The invention discloses an adjustable multi-streaming type steam jet heat pump. One or more than one conical-cylindrical surrounding nozzle with annular nozzle mouths are coaxially sleeved at the outer side of a conical-cylindrical central nozzle positioned in the center of a pump body, a nozzle mouth of the central nozzle is positioned at the topmost end and is in stepped arrangement with the annular nozzle mouths of the surrounding nozzles, the surrounding nozzles are respectively provided with a working steam inlet, a jet steam inlet is arranged on the lateral wall of the pump body, a cavity body at the front part of the pump body and the outer side of the nozzle mouth is of a steam mixed chamber, and the outer end of the steam mixed chamber is connected with the small mouth end of a diffusion tube. Working steam is jetted from the central nozzle in high speed, other strands of working steams are jetted from the nozzle mouths of the surrounding nozzles, a plurality of strands of steams form a certain-speed distribution field and act together so as to ensure that the pressure intensity at the nozzle mouths is reduced, and the jet steam is sucked in, and the steams are mixed through the steam mixed chamber, and slowed down and pressurized by the diffusion tube to generate jet stream with adjustable speed gradient, thereby the flow impact loss at the front edges of the nozzle mouths is effectively reduced, the energy loss is decreased, and the mechanical efficiency is improved.
Owner:HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY

Energy-saving innovative LED (Light Emitting Diode) display screen and installation method thereof

The invention relates to an energy-saving innovative LED (Light Emitting Diode) display screen and an installation method thereof. An LED screen body is formed by long strip-shaped LED display modules which are spliced and arranged one by one in parallel towards a consistent direction. Each long strip-shaped LED display module comprises a long strip-shaped grooved module installation plate for fixing the LED display module, the front surface of the grooved module installation plate is used for fixing a module installation surface of the LED display module, two bolt fixing grooves with a large groove bottom and a small mouth are formed in a back surface to improve a heat dissipating effect, the grooved module installation plate is a one-step molded aluminum alloy section, and a heat conducting piece is arranged between a heat emitting component and the grooved module installation plate on the LED display module; the two ends of the long strip-shaped LED display module are fixedly connected with a structure support frame through screen body installation devices; in order to facilitate the adjustment of the flatness of the LED screen body and improve wind resistance, a leveling connection device is further arranged on the back surface of the long strip-shaped LED display module. The energy-saving innovative LED display screen provided by the invention has the advantages of simple structure, convenience in installation and low manufacturing and operating cost.
Owner:CHANGSHA XINYUAN ELECTRONICS TECH +1

Air-cooling system for automobile power supply

The invention discloses an air-cooling system for an automobile power supply and relates to the field of electric cars. The air-cooling system comprises a battery base, a battery cover which is fixed on the battery base and can be detached, and a plurality of battery modules fixed on the battery base; the battery modules are positioned on the inner side of the battery cover; a plurality of air collection devices are arranged on the front side of the battery base and take the shapes of trumpets with running-through interiors; the big mouths of the air collection devices face a car running direction; a plurality of air inlets are formed in the battery base in a penetrating manner; the upper ends of the air inlets are communicated with the inner side of the battery cover; the lower ends of the air inlets are connected with the small mouths on the rear sides of the air collection devices through connecting pipes; each air collection device is communicated with at least one of the air inlets; and a heat dissipation opening is formed in the battery cover. According to the air-cooling system for the automobile power supply, the effects from of an air source on the different battery modules inside are equal, all the battery modules can well dissipate heat, and the battery performance is guaranteed.
Owner:六安市匠心信息科技有限公司

Water draining tee capable of generating rotational flow

The invention relates to a water draining tee capable of generating rotational flow, which is connected into a whole by a vertical pipe body and a side pipe body; the side pipe body is spiral downwards at the right and is communicated with the right side of the vertical pipe body; the vertical pipe body is formed by a cylindrical pipe, a conical pipe and a bell mouth of an elastic sealing ring; the large mouth end of the conical pipe is connected with the lower end of the cylindrical pipe, and the inner diameter and the wall thickness of the large mouth end of the conical pipe are the same as those of the cylindrical pipe; a small mouth end of the conical pipe is connected with the bell mouth of the elastic sealing ring, and the inner diameter and the wall thickness of the small mouth end of the conical pipe are the same as those of the bell mouth of the elastic sealing ring; a spiral guide vane is arranged on the conical pipe along the dextrorotation of the inner wall; a groove is arranged in the middle of the bell mouth of the elastic sealing ring and is internally provided with the elastic sealing ring; a side rotary pipe of the side pie body is spiral downwards at the right and is communicated with the right side of the cylindrical pipe, and the wall thickness of the side rotary pipe is the same as that of the cylindrical pipe; the included angle between the centre line of the side pipe body and the center line of the vertical pipe body is alpha, and the included angle between a guide inclined plane of the side pipe body and the center line of the vertical pipe body is gamma; the joint between the bottom of the side pipe body and the vertical pipe body takes on u-type transition, so that the water circulating capability of a water draining system is improved, and the water draining noise can be reduced.
Owner:BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE

Electric contact and connection type COB (chip on board)-LED light source module

The invention relates to an electric contact and connection type COB (chip on board)-LED light source module which comprises a reflection cup, a radiator, a COB-LED light source component, an electrical interface support and two single-core wires. Fastening grooves are arranged on the inner wall of a through hole of the electrical interface support, each fastening groove is formed by connection of an insertion opening with a sliding groove, fasteners corresponding to the fastening grooves are arranged at the outer edge of a small mouth of the reflection cup, a slot for insertion of a conducting strip is arranged on each of two side faces of the electrical interface support, and a telescopic conducting column is arranged in an accommodating cavity connected with the inner end of each slot. When the electric contact and connection type COB-LED light source module is assembled, the inner end of each conducting strip is connectedly sleeved on the corresponding conducting column, the exposed outer end of each conducting strip is mutually inserted with an insertion connector of the corresponding single-core wire, the bottom end of each conducting column penetrates through the electrical interface support to be pressed on a corresponding electric contact on a PCB (printed circuit board). Therefore, the electric contact and connection type COB-LED light source module has the advantages of compact structure, space saving and good radiating effect.
Owner:KINGSUN OPTOELECTRONIC CO LTD

Continuous evaporative crystallizer and evaporation system for light-weight solids

The invention relates to a continuous evaporative crystallizer and an evaporation system for light-weight solids. The continuous evaporative crystallizer includes a tank body; a material inlet is disposed on the middle of the tank body; a vapor outlet is arranged on the upper end of the tank body; a liquid outlet is disposed on the lower end of the tank body; a mist eliminator is located in the tank body; an inclined separation board and a horn-shaped expanding mouth are disposed in the middle part of the tank body; the upper end of the inclined separation board is sealed and the lower end is opened, wherein the horn-shaped expanding mouth is located below the inclined separation board with a larger mouth upward and a smaller mouth downward; a crystal slurry extraction pipe is disposed at one end inside the tank body and is connected to the smaller mouth of the horn-shaped expanding mouth. Compared with the prior art, the continuous evaporative crystallizer can extract crystal slurry from above a solution. The continuous evaporative crystallizer is suitable for continuous stable industrial evaporative crystallization of light-weight solids, such as calcium propionate, of which the density is less than a liquid, and can ensure that the two processes, solution heating and water evaporation, are separated at spatial positions.
Owner:SHANGHAI JIAO TONG UNIV

Electric contact and connection type COB (chip on board)-LED light source module

The invention relates to an electric contact and connection type COB (chip on board)-LED light source module which comprises a reflection cup, a radiator, a COB-LED light source component, an electrical interface support and two single-core wires. Fastening grooves are arranged on the inner wall of a through hole of the electrical interface support, each fastening groove is formed by connection of an insertion opening with a sliding groove, fasteners corresponding to the fastening grooves are arranged at the outer edge of a small mouth of the reflection cup, a slot for insertion of a conducting strip is arranged on each of two side faces of the electrical interface support, and a telescopic conducting column is arranged in an accommodating cavity connected with the inner end of each slot. When the electric contact and connection type COB-LED light source module is assembled, the inner end of each conducting strip is connectedly sleeved on the corresponding conducting column, the exposed outer end of each conducting strip is mutually inserted with an insertion connector of the corresponding single-core wire, the bottom end of each conducting column penetrates through the electrical interface support to be pressed on a corresponding electric contact on a PCB (printed circuit board). Therefore, the electric contact and connection type COB-LED light source module has the advantages of compact structure, space saving and good radiating effect.
Owner:KINGSUN OPTOELECTRONIC CO LTD

Technical method for quickly reducing biting taste of freshly-distilled liquor

The invention discloses a technical method for quickly reducing biting taste of freshly-distilled liquor. The technical method for quickly reducing the biting taste of the freshly-distilled liquor comprises the following steps: cleaning a small-mouth white glass reagent bottle, and drying the reagent bottle to remove water; adding the freshly-distilled liquor into the reagent bottle, adding a cleaned and aired magneton into the reagent bottle, and sealing a bottle mouth by using a ground stopper to prevent alcohol volatilization; putting the reagent bottle on a magnetic stirrer, and starting the magnetic stirrer to rotate the magneton inside the reagent bottle; after stirring, taking down the reagent bottle filled with the distilled liquor, and putting the reagent bottle into a hot water bath at 43-53 DEG C to volatilize sulfur compounds and other low-boiling substances which cause pungent, spicy and bitter tastes; after hot water bath, taking out the reagent bottle, and putting the reagent bottle onto the magnetic stirrer again for further stirring; and repeating the operations every day, stirring the reagent bottle on the magnetic stirrer, and preserving heat in the hot water bath. By the technical method, the strong pungent, spicy and bitter tastes of the freshly-distilled liquor can be removed within 48 days; and the alcohol content is maintained to be unchanged basically, thus achieving a mouth feel effect after 2-year storage.
Owner:LUOYANG INST OF SCI & TECH

Spiral conveyer with special pipe walls

ActiveCN103552817AReduce the impactReduce fill factorPackagingSpiral bladePropeller
The invention relates to a spiral conveyer with special pipe walls. The spiral conveyer comprises a horizontal conveying tube, a spiral propeller horizontally and coaxially arranged in a cavity of the conveying tube, a material inlet communicated with the upper portion at one end of the conveying tube, a material outlet communicated with the lower portion at the other end of the conveying tube, and a motor in power connection with one end of the conveying tube close to the material inlet. The conveying tube comprises a small-diameter section cavity, a transition section cavity and a large-diameter section cavity which are sequentially connected, and the internal diameters of the small-diameter section cavity, the transition section cavity and the large-diameter section cavity gradually increase from the material inlet to the material outlet. The section of the small-diameter section cavity is cylindrical, the section of the transition section cavity is in the shape of a cone with big belly and small mouth, the section of the upper portion of the large-diameter section cavity is in the shape of a semicircle, and the section of the lower portion of the large-diameter section cavity is in the shape of a semiellipse. The spiral propeller comprises a rotating shaft and spiral blades. The spiral blades are in a uniform pitch and variable diameter mode, and gaps are reserved between the spiral blades and the inner walls of the large-diameter section cavity and the small-diameter section cavity. The spiral conveyer with the special pipe walls can achieve continuous pulseless feeding and can reduce influence on feeding caused by discharging impact.
Owner:CHINA COAL RES INST CCRI ENERGY SAVING TECH CO LTD

Method for directly measuring intercuspal positions of alveolar ridges of edentulous jaws

The invention relates to a method for directly measuring intercuspal positions of alveolar ridges of edentulous jaws. The method includes the steps that an upper edentulous jaw plaster model and a lower edentulous jaw plaster model are scanned to obtain first data; at the small mouth opening position, the face, the upper-jaw alveolar-ridge front tooth region and the lower-jaw alveolar-ridge front tooth region are scanned to obtain second data; the first data are matched with the second data, and data of the portion, above the apex nasi, of the face and the data of the upper-jaw model are grouped to obtain third data; data of the chin and data of the lower-jaw model are grouped to obtain fourth data; at the rest jaw position, the face is scanned to obtain fifth data; the third data and the fourth data are matched with the fifth data; lower-lip frenum root positions of the lower edentulous jaw model in the fourth data are extracted, and the lower-lip frenum root positions and the lower edentulous jaw model are grouped to obtain sixth data; in the third data, mapping points of double-side processus condyloideus on the skin of the face are interactively extracted, and the sixth data are rotated upwards by 3 mm with the connecting line of the mapping points as a rotating axis; upper-lower-edentulous jaw alveolar ridge data of the intercuspal positions are obtained. By means of the method, complex steps for manufacturing a occlusal splint support can be replaced, and the intercuspal positions between the upper alveolar ridge and the lower alveolar ridge of an edentulous jaw patient can be directly measured.
Owner:PEKING UNIV SCHOOL OF STOMATOLOGY

Device for pumping recycled water by utilizing kinetic energy of tap water

The invention discloses a device for pumping recycled water by utilizing the kinetic energy of tap water. The device comprises a pump body, an impeller, a power wheel and a power bin, wherein the power wheel and the power bin are coaxially arranged with the impeller; the power wheel comprises a wheel disc and a water skip/blade. The device is characterized by further comprising an aqueduct and a draft tube which are connected with the power bin; the inner wall of the power bin is close to the circular space formed by rotation of the wheel disc and the water skip/blade; the aqueduct comprises a gradually-reducing conical tube; the draft tube mainly comprises a gradually-enlarging conical tube; the diameter of the impeller is larger than that of the power wheel; the axes of the aqueduct and the draft tube coincide, and are tangent to part of the center line of a circular cavity; the circular cavity is formed by surrounding the water skip/blade with the power bin; the large mouths and the small mouths of the aqueduct and the draft tube have the same calibers respectively; the caliber of each small mouth is equal to the inner diameter of the circular cavity. Compared with the prior art, the device is simpler in structure, smaller in size, lower in cost, and easy to mount and popularize, and has the benefits that the tail water flow rate is maintained, and the utilization rate of water resources is improved.
Owner:芦雷
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