2696results about How to "reduce volume" patented technology

An implant release mechanism for releasing, for example, a stent ( 60 ) is provided with three restraining wires ( 62 ) which pass in the space between a wire guide catheter ( 24 ) and a pusher sheath or dilator ( 30 ) and are arranged substantially equi-angularly threrearound. Each restraining wire ( 62 ) holds both the proximal and distal ends of the stent ( 60 ), in this case each holding a proportion of the ends of the stent ( 60 ). When the restraining wires ( 62 ) are pulled they will first unwrap from the proximal end of the stent ( 60 ) and will then release the distal end of the stent ( 60 ) so as to allow the stent to become fully deployed within the lumen of the patient. The use of common release wires improves deployment of implants and reduces the number and volume of components in the device, thereby allowing it to occupy a smaller volume.

The invention discloses a speed reduction box for turbine fracturing. The speed reduction box is compact in overall structure, small in volume, light in weight and large in transmission ratio, power is input through a sun wheel shaft small-end gear, speed reducing and torque increasing are performed through engaging between sun wheel shaft large-end gears and planet wheels, the power is output through planet carriers, the gear size and quantity are reduced utilizing the structure of a planet wheel set, the speed reduction box for the turbine fracturing is more suitable for the turbine engine speed reduction requirements, the effect of convenient maintenance can be achieved by opening a cover plate through an observation hole, by means of coordination use of a brake device and a brake pad,equipment can be made to stop running immediately in case of emergency, the equipment and personal safety is protected.

A near field apparatus comprises a Radio Frequency (RF) coil including at least one of a shorting bridge from a first point to a second point along an electrical path of the RF coil and/or a discontinuity in the electrical path of the RF coil.

The invention relates to an automatic washing and dewatering combined device of a rotary type mop, which comprises the rotary type mop and a washing and dewatering barrel, wherein the washing and dewatering barrel contains a barrel body, a dewatering basket and a lifting and fixing device of the dewatering basket, the lower part of the barrel body is provided with a washing area, the upper part of the barrel body is provided with a dewatering area, and the dewatering basket is arranged in the barrel body; the lifting and fixing device of the dewatering basket is arranged in the barrel body and is also connected with the dewatering basket, and the dewatering basket rotates around a main shaft of the lifting and fixing device of the dewatering basket; when the mop is washed, the dewatering basket is positioned in the washing area at the lower part of the barrel body; and when the mop is dewatered, the dewatering basket is lifted into the dewatering area at the upper part of the barrel body by the lifting and fixing device of the dewatering basket. By the device, the functions of washing and dewatering are integrated according to the design of human body mechanics. The device has the characteristics of small washing and dewatering volume, simple and scientific structure, small water consumption, low manufacturing cost, safe and convenient operation, strong practicability, attractive appearance and the like, and the time and the labor are saved.

An optical imaging system is provided comprising a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive or negative power; and a fourth lens group having a positive or negative power.

The invention relates to a miniaturized single feed point dual-frequency and dual-polarization microstrip antenna. The upper surface of a substrate base plate is provided with a first radiation patch and a second radiation patch; the first radiation patch and the second radiation patch are chamfering patches which are symmetrically chamfered in a diagonal position; the second radiation patch is annular, the first radiation patch is positioned in a cavity of the second radiation patch, and the first radiation patch and the second radiation patch have a same center; the lower surface of the substrate base plate is provided with a conduction grounding plate; coaxial probe feed vertically penetrates through the substrate base plate and is directly connected with the first radiation patch to generate electric coupling, and the second radiation patch is electromagnetically coupled with the first radiation patch. The invention realizes dual-frequency circular polarization, has the characteristics of small size, low section, simple manufacture process, low cost, favorable axial ratio bandwidth and higher low-elevation gain and can be used for a high-performance satellite navigation systemreceiver. Meanwhile, the requirements of vehicle-carried equipment on the volume and weight of the antenna can be met.

The present invention provides one kind of system to perform distributive multi-point detection for corrosion, crack, leakage, wax precipitation, scaling and other status in long oil and gas conveying pipeline by means of fiber grating sensing technology. The system includes near-infrared wide-band semiconductor laser source array, wavelength division multiplexer, bi-directional fiber coupler, fiber grating sensor array, spectral analyzer and signal transmission optical cable. The continuous near-infrared light signal the laser source array emits is transmitted to fiber grating sensor array embedded inside the long oil and gas conveying pipeline through the wavelength division multiplexer and the bi-directional fiber coupler, the sensor array detects the varying temperature and pressure of fluid inside the pipeline and reflects to the bi-directional fiber coupler while being coupled to the analyzer and the computer to obtain the conveying status inside the pipeline.

The invention discloses a micro liquid fuel propulsion system used in a micro-nano satellite. The micro liquid fuel propulsion system comprises a pressurized gas generator, a micro propeller and a fuel storage tank for supplying liquid fuel to the micro propeller, the pressurized gas generator is used for inflating and pressurizing the fuel storage tank; the inside of the fuel storage tank is comparted by a diaphragm into a liquid storage part for storing the liquid fuel and a gas storage part which is communicated with the pressurized gas generator by a gas transmission pipeline, and two ends of the gas transmission pipeline are provided with a pressure sensor and a gas charge-discharge valve respectively; the liquid storage part is communicated with the micro propeller by a liquid transmission pipeline, and two ends of the liquid transmission pipeline near the liquid storage part are provided with a liquid fuel charge-discharge valve and a safety valve respectively; and the liquid transmission pipeline is further sequentially provided with a diaphragm valve, a filter and an solenoid valve. The micro liquid fuel propulsion system avoids the disadvantage of a clumsy structure of a high pressure cylinder which is used in the traditional liquid fuel satellite propulsion system for pressurizing the fuel, and can meet the requirements of the micro-nano satellite for small size, light weight and low energy consumption.

The invention discloses an MEMS (Micro Electro Mechanical System) film capacitive type multi-parameter sensor structure and an integrated manufacturing method thereof. An MEMS carrying substrate is provided with MEMS film capacitive type pressure, temperature and humidity sensors which are arranged side by side. Electrodes, sacrificial layers, sensitive layers, sensitive films and protective layers of the three sensors adopt mutually matching structures and materials and therefore can be manufactured through an integrated surface micro-processing technology. The multi-parameter sensor structure and the integrated manufacturing method provided by the invention have the advantages of reducing volume of components, simplifying technical steps and being capable of decreasing cost of sensor products to a certain extent. In addition, the wholly capacitive structure adds application potential of the MEMS film capacitive type multi-parameter sensor structure in an inductive coupling based passive wireless sensing system.

A track-type conveyor comprises a machine rack, a drive belt wheel, a drive belt wheel, a synchronous belt, a motor, a long linear guide rail, clips and a clip support mechanism; the drive belt wheel and the driven belt wheel are respectively fixed on the machine rack; the long linear guide rail is arranged on the machine rack; the clips are respectively positioned on two clip spacer plates on the clip support mechanism which can realize the displacement transformation among clips; each clip spacer plate in the clip support mechanism is matched with a short linear guide rail in the clip support mechanism through a clip slider connected with the clip spacer plate; the clip spacer plate is driven by a drive mechanism which is fixed in a short guide rail mounting plate to enable the two clip spacer plates to be furled and opened along the short linear guide rail; and the short guide rail mounting plate of the clip support mechanism is connected with the synchronous belt and also matched with the long linear guide rail through a main slider connected with the short guide rail mounting plate. The invention is characterized by simple structure, small size, easy installation and detachment, as well as fast delivery speed, which can rapidly deliver the packages conveyed from an automatic clip feeder to the predetermined locations in accordance with the scheduled itinerary.

The invention discloses an all-solid-state carbonate ion selective electrode and a manufacture method of the all-solid-state carbonate ion selective electrode. The all-solid-state carbonate ion selective electrode comprises a metal wire, solid electrolyte, a carbonate ion sensitive film and a heat shrinking tube. The solid electrolyte is covered on the metal wire; the carbonate ion sensitive filmis covered on the solid electrolyte layer; and the heat shrinking tube is covered on the part of the metal wire, where is not covered with the carbonate ion sensitive film. The invention also discloses a manufacture method and a calibration method of the all-solid-state carbonate ion selective electrode; the solid electrolyte and the carbonate ion sensitive film are coated on the surface of the metal wire in layers by a coating method; and the concentration of the carbonate ions in the solution can be detected fast and accurately by pairing the selective electrode and an external reference electrode. The exploring electrode provided by the invention has quite high mechanical strength and toughness, has the characteristics of small volume, convenience in carrying and operation, fast response and low manufacture cost, and is suitable for online detecting and long term monitoring the contents of carbonate ions in natural water, chemical and chemical industrial water mediums.

The invention discloses a pneumatic propulsion device of a welding fixture positioning pin for an automobile body, comprising the positioning pin. The pneumatic propulsion device is characterized by consisting of a driving part and a positioning part, wherein the driving part is fixed on a clamp body; a gas source is input from the input end of the driving part; the out end of the driving part is connected with the welding fixture positioning pin for the automobile body; and the positioning part is fixedly arranged on the driving part. The work method of the pneumatic propulsion device comprises the following steps of: arranging the positioning pin on a front-end guide rod of an air cylinder driving rod of the air cylinder; arranging a stamping part for installing the positioning pin on a corresponding clamp; connecting the gas source to push out the air cylinder driving rod and allowing the positioning pin to penetrate into a preserved positioning hole in the stamping part; and finishing the accurate positioning of the positioning pin on the stamping part in the welding process of the automobile body. The pneumatic propulsion device has the advantages of small size, simple work flow, stable work state, convenience for installation and operation and capable of positioning the positioning pin on the stamping part accurately; and with low construction cost of the device, the cost of the production flow can be greatly reduced.

The application discloses an application interface rendering method and apparatus. Interface data of an application comprises dynamic data content defined for a specified component by utilizing a preset script function. The preset script function is expressed through at least one basic element. Each basic element comprises at least one type value. The method comprises: obtaining a script function corresponding to the specified component from the interface data; extracting the type value of each basic element from the script function; according to the extracted type value of each basic element, and a correspondence between a type value of a basic element defined in a pre-stored script function and a native API function in a current mobile terminal, mapping the script function into the native API function in the current mobile terminal; and when an execution event of a dynamic script is triggered, calling the native API function. Through the application interface rendering method and apparatus, interactive capability of components is suitably realized on the basis of a Dynative protocol framework.

A process for the ozonolysis of unsaturated starting materials, which is characterized in that the reaction is carried out in a structured reactor.

The invention relates to a 3D printing robot capable of freely moving. The 3D printing robot capable of freely moving comprises an omni-directional mobile platform mechanism, a Z-axis lifting mechanism, a 3D printing mechanism and a feedback/communication/control circuit. The 3D printing robot capable of freely moving is characterized in that the Z-axis lifting mechanism is fixedly connected to the omni-directional mobile platform mechanism, the 3D printing mechanism is fixedly connected to the Z-axis lifting mechanism, the feedback/communication/control circuit is installed on the omni-directional mobile platform mechanism simultaneously, and the omni-directional mobile platform mechanism and the Z-axis lifting mechanism are controlled by virtue of the feedback/communication/control circuit to drive the 3D printing mechanism to realize printing of a strip-shaped object without a dimensional limit in a three-dimensional space. The 3D printing robot capable of freely moving has the characteristics of compact structure, small size, no printed object dimensional limit of the traditional 3D printer, high movement flexibility and high printing speed; meanwhile, the cooperative communication of any multiple printing robots is realized, and the 3D printing efficiency is further enhanced. The 3D printing robot capable of freely moving is especially suitable for low-cost and high-efficiency printing of large-distance strip-shaped objects such as building walls.

The invention relates to an intelligent portable planet communication earth station, formed by antenna box and terminal box, wherein it comprises antenna reflective face, feedback source, polarity adjuster, direction/incline adjuster, antenna controller, L-frequency planet mark track receiver, GPS receiver, planet communication modulator/demodulator, signal coder/decoder. The antenna controller via incline device and GPS receiver confirms the initial incline angle of antenna position and antenna reflective face; the polarity adjuster matches the polar angle of antenna and the planet transmitter; the modulator/demodulator and signal coder/decoder transmit the planet mark signal output via track receiver to transmit communication signal. The invention can support voice, data, video signals, etc, with low weight and small volume.

The invention discloses a frequency domain power distributor for an AMPSK (Asymmetric M-ary Phase Shift Keying) simultaneous wireless information and power transfer system, which is different from the conventional time domain power distribution scheme, a receiving signal is decomposed to two parts on a frequency domain by the power distributor, wherein a carrier frequency component is used for energy harvesting, and a sideband component is used for information demodulation; through the power distributor, demodulation of a modulating signal can be completed while carrier energy of the receiving signal is extracted for supplying power to equipment, therefore, simultaneous transfer of information and energy can be really achieved through sending one way of signals only. The power distributor is a three-port network formed by a 3dB branch directional coupler and a power synthesis circuit. According to the frequency domain power distributor, on the premise of keeping the advantages of high spectral efficiency of the AMPSK modulating signal, quick information throughput rate and the like, the potential of a sine-like mechanism reserving the carrier is fully explored, and the frequency domain power distributor is one of constituent parts of the AMPSK simultaneous wireless information and power transfer system.

A method is provided that includes providing a fundic impedance signal of a subject sensed during an initial calibration period using at least one implantable fundic sensor of an eating detection device. An indication is received of actual ingestion events of the subject during the initial calibration period. Using a cost function, an analysis is performed of the fundic impedance signal and the actual ingestion events. Responsively to the analysis, a threshold is set, the crossing of which by the fundic impedance signal is indicative of ingestion. The threshold is stored in a memory of the eating detection device. Other embodiments are also described.

The embodiment of the invention discloses a light emitting device and a projection system. The light emitting device comprises a laser array light source, a light reflecting and condensing system and a light collecting system. The laser array light source comprises a non-light-emitting region and a light-emitting region which is composed of a plurality of laser elements. The light reflecting and condensing system comprises a condensing region and a non-condensing region, and the condensing region is used for focusing and reflecting emergent light of the laser array light source. The light collecting system is used for collecting and emitting the emergent light of the light reflecting and condensing system. The light collecting system, the non-light-emitting region and the non-condensing region are disposed on the same straight line in parallel with the optical axis of the emergent light of the laser array light source, and the light collecting system passes through the non-light-emitting region and/or the non-condensing region. The embodiment of the invention provides the light emitting device which has a small size and emits light with high brightness and uniform spots and the projection system.

The invention belongs to the technical field of liquid crystal display and particularly relates to a flexible display device of a cholesteric liquid crystal capsule and a preparation method thereof. The flexible display device comprises a light absorption layer, a first flexible substrate, a second flexible substrate, a first electrode, a second electrode, a first orientation layer, a second orientation layer and a liquid crystal mixture layer with a special structure polymer wall. The invention further provides the preparation method of the flexible display device of the cholesteric liquid crystal capsule with the special regular structure. According to the method, a light mask plate with a special shape is utilized to induce a polymer monomer to undergo a polymerization reaction through light so that the polymer wall is formed, liquid crystal molecules are subjected to capsulation wrapping, the polymer wall is formed by a plurality of regular triangular truss structures and is stressed evenly and stable in structure due to the shape, mechanical performance of the flexible display device is remarkably improved, display performance is also improved, and accordingly comprehensive performance of the flexible display device is improved.

The invention discloses a downwards foldable-type multi-rotor wing unmanned aerial vehicle (1000) which comprises a power device (200), a camera shooting device (300), a cell system (400), a control circuit (600), a plurality of support arms (110), a central mounting seat (120) and a locking component (150), wherein the power device (200), the camera shooting device (300) and the cell system (400) are connected with the control circuit (600) separately; the support arms (110) are rotationally connected onto the central mounting seat (120); the locking component (150) is used for locking all the support arms (110) on the central mounting seat (120) simultaneously when the support arms (110) are unfolded. As the support arms are rotationally connected onto the central mounting seat and can be folded downwards, the size of the unmanned aerial vehicle is reduced to the great extent.

The invention discloses a folding type aerial photography aircraft. The folding type aerial photography aircraft comprises an unmanned aircraft fuselage, wherein the unmanned aircraft fuselage is movably connected with multiple supporting arms, the supporting arms rotate around the unmanned aircraft fuselage to unfold or rotate to enter the unmanned aircraft fuselage, the supporting arms are movably connected with propeller components, the propeller components rotate to unfold or are folded above the supporting arms, the unmanned aircraft fuselage is movably connected with a pan-tilt, and a camera is arranged on the pan-tilt. Through the way, the folding type aerial photography aircraft disclosed by the invention can reduce the volume of the aerial photography aircraft, saves the space, and is easy to carry.

The invention discloses a dropping device for a rotor craft. The dropping device for the rotor craft comprises a dropping bin body, a fixed support, a motor and a dropping hole. The dropping bin body comprises a shell and an inner rotary table. A sighting device composed of a camera and a laser generator is mounted on the shell. The shell is cylindrical on the whole. The fixed support is mounted on a craft underframe. The shell is kept relatively static during working, and the shell and the inner rotary table are kept concentric. The dropping hole with the diameter being slightly larger than that of a carrying hole of the inner rotary table is distributed in the lower portion of the shell. The laser generator is mounted in the middle of the circle center of the lower bottom surface of the cylindrical shell. The dropping device for the rotor craft is small in size, low in manufacturing cost, capable of being dismounted and mounted conveniently and rapidly, convenient to maintain, capable of carrying a large number of articles, good in safety and stability and capable of achieving accurate air dropping; a large number of dropping devices can be prepared in actual use, unmanned aerial vehicle can move back and forth repeatedly, efficiency is improved, and cost is reduced.

The invention belongs to the technical field of wireless electric energy transmission and provides an induction coil for wireless electric energy transmission, and aims at solving problems of large size and low transmission efficiency of an induction coil in the prior art. The induction coil comprises insulating films and conductor patterns. The conductor pattern on a same insulating film comprises a single turn or multiple turns. The conductor patterns on the insulating films are mutually overlapped in the stacked direction of the insulating films. The invention also provides a manufacture method of the induction coil for wireless electric energy transmission and a wireless charging system equipped with the induction coil. According to the induction coil, the multiple insulating films equipped with the single-turn or multi-turn conductor patterns are stacked, the conductor patterns are overlapped in the stacked direction, and magnetic fields generated by electrifying the conductor patterns are nearly overlapped. Therefore, the total magnetic field intensity is increased in direct proportion to the number of conductor pattern layers on the insulating films, and the converting efficiency between electric energy and magnetic energy is greatly improved.

The invention discloses a remote-control electric scooter capable of being transformed into an electric bicycle. The remote-control electric scooter comprises a plate body, a folding mechanism, a circuit system, wheels and a remote controller. The remote-control electric scooter capable of being transformed into the electric bicycle is characterized in that a combined handlebar is arranged on a plate face; a foldable saddle is arranged in the internal space formed by a chassis and the plate face; the plate face is movably connected with one end of the chassis; the foldable saddle is provided with an angle adjuster; a plate body is of a hollow structure; the circuit system is internally arranged in the plate body; the wheels are formed by coating tyres on the periphery of wheel hub motors;and the remote controller is provided with a wireless signal transmitter. The remote-control electric scooter capable of being transformed into the electric bicycle has the advantages that the mutualtransformation between an electric scooter and the electric bicycle can be realized, the remote-control electric scooter capable of being transformed into the electric bicycle is a remote-control electric scooter when the remote-control electric scooter capable of being transformed into the electric bicycle is in a folded state, and has the characteristics of small volume and convenience in carrying and storage, and the remote-control electric scooter capable of being transformed into the electric bicycle is transformed into the electric bicycle when the remote-control electric scooter capable of being transformed into the electric bicycle is in an unfolded state, and has the characteristics of fashionable appearance and generous structure, so that the needs of people on entertainment body building and traffic transportation are met, and the psychological need of people on the pursuit of novelty and fashion in modern society is also met.

According to the defect that the magnetic member of the existing LLC resonant converter has a larger volume, the invention provides a magnetic integrated converter suitable for LLC resonant series topology, pertaining to the direct current converter. The converter designs the transformer and inductances in the original circuit of the converter into an integrated magnetic member, the converter not only can decrease the volume of the magnetic members, but also allows the leakage inductance to be easy to control, wherein the leakage inductance are centralized at primary side. The converter includes a direct-current power supply, an LLC resonant transformer, a primary circuit and a secondary rectification circuit, the converter uses the integrated magnetic member as a magnetic integrated converter, wherein, the integrated magnetic member includes a couple of relative setup EE iron cores, the iron cores are respectively winded with a primary winding and a secondary winding, part of the primary winding and entire secondary winding are winded at the middle pole, the other part of the primary winding are winded at the left side pole or right side pole; the input end of the primary winding is connected to the primary circuit, the output end of the secondary winding is connected to the secondary rectification circuit.

The invention relates to a convenient water-saving all-composite nano-filtration and reverse osmosis water purifier. The convenient water-saving all-composite nano-filtration and reverse osmosis water purifier comprises a shell, a filter element and a micro booster pump, wherein a clean water outlet nozzle is arranged on the shell; the filter element and the micro booster pump are arranged in the shell; the filter element is a composite filter element; the composite filter element adopts a cylindrical and radial multi-layer composite structure; a filter element seat is arranged in the shell; the composite filter element is arranged on the filter element seat in the shell; a space is reserved in the outer wall of the composite filter element to form a water inlet cavity; a water outlet cavity is separated from the water inlet cavity by a filter layer of the composite filter element; a water inlet connector and a washing water connector are also arranged on the shell. According to the convenient water-saving all-composite nano-filtration and reverse osmosis water purifier, the composite filter element with a multi-layer filter layer is arranged in the shell, so that the structure is compact, the volume is small, the water purifier is mounted at the required placed and is mounted without help of professionals; meanwhile, the washing water connector is arranged, so that waste water can be recovered and recycled to fulfill the aim of saving water.

The invention relates to a wearable fetus education bellyband system with fetus sound monitoring, fetus movement detection and fetus movement trajectory induction functions. The wearable fetus education bellyband system comprises a flexible substrate, a sound pickup array, a sound acquisition and detection module, a voice-based fetus education storage and play module, a light-based fetus education LED (Light Emitting Diode) lamp array, a system control module and a system power supply module. The sound pickup array transmits acquired fetus sound and fetus movement signals to the sound acquisition and detection module, and the position of the strongest fetus sound signal is obtained through the optimum channel selection algorithm of the system control module, wherein the position of the strongest fetus sound signal is the position of the heart of a fetus, the head of the fetus and the body posture of the fetus are judged according and thus light-based fetus education and voice-based fetus education can be conducted at positions close to the head of the fetus. In addition, the fetus can be stimulated and induced to move by using voice and light signals at different positions, so that the movement direction and trajectory of the fetus can be changed. On one hand, the situation that the umbilical cord of the fetus is twisted on the neck of the fetus can be prevented and reduced, and on the other hand, the autonomous monitoring and fetus education of a pregnant woman can be realized.

A video coding apparatus carries out a compression coding of a video based on a result of predicting a motion vector predicted between frames of the video. A quantization parameter control unit comprised of the apparatus calculates a ratio of an accumulation value, in the small block, of a prediction error of a brightness component to an accumulation value, in the small block, of a prediction error of a color difference component at the time that a motion vector detection/compensation unit which carries out a motion compensation based on a prediction result of the motion vector for the small block designated in a frame of the above video as a prediction accuracy indicator of the foregoing motion vector, and carries out a control of a quantization unit executing a quantization of image information of the small block based on the prediction accuracy indicator.

The invention discloses a wind power generator group, mainly comprising a wind wheel, a gear box, a main shaft brake disc and a generator. A hub of the wind wheel is directly connected with the main shaft of a planet carrier of the gear box; the main shaft brake disc is connected with the rotor shaft of the generator by integral keys or flat keys; coaxial encapsulation is carried out on the whole or part of the output shaft of the gear box by the rotor shaft of the generator, therefore the gear box and the generator form a coaxial transportation chain with small size in axial direction and compact whole structure. The gear box uses a second class planet gear typed gear box, with a transmission ratio ranging between 1:15 to 1:25. By using the transmission form, the gear box has the advantages of more compact structure, smaller volume, and lighter weight in the situation of the same speed increasing ratio. The rated rev of the output shaft of the gear box, namely a high speed shaft, is only 375rpm, thus having low rotate speed, low noise and long service life.