139results about How to "Simple design and manufacture" patented technology

A device for delivering fluid to a patient including an exit port assembly adapted to connect to a transcutaneous patient access tool, and a dispenser including at least two laminated layers of material defining a passageway connected to the exit port assembly, and an expandable accumulator in fluid communication with the passageway for controlling fluid flow from a reservoir to the exit port assembly. The laminated construction provides many benefits including simplifying the design and manufacturing of the device, in order to further reduce the size, complexity and costs of the device so that the device lends itself to being small and disposable in nature.

Emitter packages and LEDs displays utilizing the packages are disclosed, with the packages providing advantages such as reducing the cost and interconnect complexity for the packages and displays. One emitter package comprises a casing with a plurality of cavities, each cavity having at least one LED. A lead frame structure is included integral to the casing, with the at least one LED from each of the cavities mounted to the lead frame structure. The package is capable of receiving electrical signals for independently controlling the emission from a first and second of the cavities. One LED display utilizes the LED packages mounted in relation to one another to generate a message or image. The LED packages comprise multiple pixels each having at least one LED, with each package capable of receiving electrical signals for independently controlling the emission of at least a first and second of the pixels.

The invention provides a shift hydraulic control circuit of a dual-clutch gearbox, comprising a shift hydraulic circuit which is constituted by two shift two-position three-way electromagnetic valves and a shift multiway valve and which controls the action of a shift cylinder, and the movement of the shift multiway valve is controlled by the pressure control device. Compared with the shift hydraulic pressure circuit in the prior art, the circuit of the shift magnetic valve in the invention has selectivity, can reduce the usage amount of the electromagnetic valve by a half and can obviously reduce the complexity degree of the hydraulic system; the combination of the clutch hydraulic circuit, the two shift two-position three-way electromagnetic valve, the shift multiway valve and the pressure control device greatly simplifies the dual-clutch gearbox shift hydraulic pressure control system, optimizes the hydraulic circuit, leads the design and manufacturing of the valve block to be easier, lowers the system cost, leads the volume of the valve block to be small and is suitable for the use requirement of coupes.

A real-time dual-wavelength optical aerosol particle size measuring device is disclosed. The device comprises a single-particle focusing gas path, two light intensity detecting units, two optical field distribution detecting units, a scattering cavity, a microcomputer control unit and a power supply system. The device reduces influences of the particle refractive index, environment humidity, and other conditions on measurement of the particle optical-equivalent grain size by a light scattering method, and can improve particle size measurement sensitivity and accuracy. The particle refractive index is calculated by adopting a front side scattering optical field distribution detecting unit, thus improving particle size measurement accuracy. The device can be combined with other aerosol particle measuring techniques to improve measurement accuracy.

The invention provides an electrical cigarette box, which comprises a box in which a groove for containing electrical cigarettes is arranged and a power supply, the positive and negative electrodes of the electrical cigarette box extract a positive charge contacting plate and a negative charge contacting plate respectively. The positive charge contacting plate and the negative charge contacting plate are used for charging the electrical cigarette contained in the groove, thereby achieving the purpose that the electrical cigarette can be charged without taking out the battery in the cigarette pipe, the electrical cigarette can be charged and used at any time, the attachments in the cigarette box can effectively guarantee the substitution effect of the electrical cigarette, the design and manufacture is simple and the electric consumption is low.

The invention relates to a phase-locked loop circuit including a phase detector, loop filter and an oscillator. The loop filter is implemented digitally instead of by means of analog components. The chip area required for such a digital loop filter is substantially smaller than an analog equivalence and can be implemented on a single integrated circuit die together with an oscillator, phase detector and possible counters. There is thus no need for the use of external components, greatly simplifying the design and manufacture of the circuit, and having reduced assemblage costs. Further, by means of the digital filter the loop dynamics are also easily changed.

A gas turbine power generation system, which can suppress an increase in the number of revolutions of a gas turbine easily upon occurrence of a sudden drop in gas turbine load, comprises a gas turbine(2), a generator (7) connected, in order to be able to transmit a rotating force, to the gas turbine (2), a fuel gas compressor (5) for compressing fuel gas being supplied to the gas turbine (2), a motor (9) for driving the fuel gas compressor (5), a first driving feeder line (16) for supplying power from the generator (7) to the motor (9), and a system controller for controlling the operation ofthe gas turbine (2).

The invention discloses an internal thread detection device and method and discloses a method for performing measurement and reconstruction on the upper surface and the lower surface of a thread respectively, and then thread parameter measurement can be achieved. Due to the fact that only the upper surface or the lower surface of the thread is measured each time, it is not necessary for a camera to capture a complete tooth form image at a time, the camera and a laser projector can be arranged outside a detection hole, and the limitation on the size of equipment is avoided. Through the method, complete shape information of the internal thread is obtained finally, and foreign substance examination and measurement of the depth, the pitch and the tooth form parameter of the thread can be carried out simultaneously. Because the majority of threads are made of metal, projection light performs specular reflection on a processing surface of the thread, the camera and the laser projector are arranged on the same side of the detection face, and therefore the camera can obtain clear projection light images beneficially; in addition, an automated surface splicing technology based on the optimization theory is put forward, the splicing accuracy of the upper surface and the lower surface of the thread is improved, a program can be implemented easily, automation of subsequent data processing is improved, and measurement operations are simplified.

Resealable multi-ply labels include a base label ply and an overlaminate for capturing onserts between them. The base label plies carry an adhesive layer on the bottom surface for mounting the resealable multi-ply labels to articles. The base plies each include a hinge area, an attachment area, a tab area, and an intermediate area separating the hinge area from the attachment area. The overlaminates form permanent bonds with both the hinge areas and the tab areas of the base plies and form reusable bonds with the attachment areas of the base plies. The permanently bonded tab areas of the base plies provide access for releasing the overlaminates from the attachment areas of the base plies and exposing the onserts.

A surgical access system includes a cannula assembly and an obturator assembly. The obturator assembly provides an insufflation channel or fluid passage for delivery of insufflation fluids directly to an underlying cavity, e.g., the abdominal cavity. The fluid passage is completely confined within the obturator assembly isolated from the cannula assembly and terminates at a location distal of the cannula assembly such that the insufflation fluids released from the fluid passage are directed toward the abdominal cavity and not within the cannula assembly.

This invention relates to a universal probe device used in an electronic component test system including a probe unit and a circuit switch device, in which, the probe unit includes a bracket base and multiple probes set on the base to test the electronic component system, the circuit switch device is used in electrically connecting probes corresponding to different panels with the test signal source.

This invention relates to bar code used in digit water level code bar and electrical theodolite panel and its coding and decoding method. Its code elements are composed of a pair of light and dark strips with same order. The duty cycle of dark strips in the code elements at least two kinds and the code element with different duty cycle is named as proportion code. The multiple codes distributes as designed order to form the codes of digit water level and electrical theodolite panel which are characterized by the same width of each code element.

A power supply includes two or more input waveforms being shaped or selected so that after being separately level-shifted and rectified, their additive combination results in a DC output waveform with substantially no ripple. The power supply may comprise a waveform generator, a level conversion stage for step up or down conversion, a rectification stage, and a combiner. The waveform generator may generate complementary waveforms, preferably identical but phase offset from each other, such that after the complementary waveforms are level-converted, rectified and additively combined their sum will be constant, thus requiring no or minimal smoothing for generation of a DC output waveform. The level conversion may be carried out using transformers or switched capacitor circuits. Feedback from the DC output waveform may be used to adjust the characteristics of the input waveforms.

The invention provides a digital control processing fixture method of parts like complicated joints and a design of a clamp. The main idea is that the joint part is fixtured in suspension. The fixture method is that process positioning stations are arranged on the theoretical shapes of two sides of the part; supporting blocks, which correspond to the process positioning stations and are higher than a milling tool, are arranged on the milling tool; the process positioning stations on the two sides of the part are positioned and fixed on the supporting blocks of the milling tool to make the joint part fixtured in suspension on the milling tool.

The dynamic definition test of aviation camera uses the simulation dynamic target generator. It belongs to a device used to examine aviation camera's dynamic definition in the realm of optoelectronic detect technique. The technique problem to solve is to provide a kind of simulation dynamic target generator used on aviation camera dynamic definition test. The resolve technique scheme contains uniform illuminant, target definition board, parallel light pipe, flat reflector, single spindle board. The target definition board between the uniform illuminant and the parallel light pipe is located on parallel light pipe's focal plane and vertical to the ray axis. The flat reflector is on the exit light path of parallel light pipe, it makes the ray axis of parallel light pipe align to the center of flat reflector. The flat reflector is vertically fixed on the mesa of single spindle board, it makes the reflecting surface of flat reflector pass the rotating center of single spindle board mesa, and the flat reflector rotates with the mesa's rotating. This generator has simple structure and debugs conveniently. It is fit for all kinds of aviation camera dynamic definition test.

A variable hip resurfacing implant which allows for varying configuration options to account for characteristics of underlying degenerative hip joint disease and for both un-cemented and cemented application. The variable hip resurfacing implant generally includes a femoral head portion, bearing surface, outer rim, inner planar surface, central stem, and a central stem threaded hole.

The invention relates to a cutter disc of an eccentric multi-shaft tunnel digging machine directly driven by hydraulic cylinders, which comprises a digging machine case and a disc body of the cutter disc, wherein the back side of the disc body of the cutter disc is connected five eccentric main shafts through bearings, in addition, the five eccentric main shafts are uniformly distributed along the center of the case, the middle parts of the five eccentric main shaft are supported on the bearings of a partition board of the digging machine case, the back ends of the five eccentric main shafts are respectively and directly connected with corresponding hydraulic cylinders through joint bearings, and eccentric shafts are directly driven to rotate by the hydraulic cylinders to drive the cutter disc body for carrying out rotary cutting. All hydraulic cylinders have identical dimension and installation parameters, and are arranged in the circumferential direction of the digging machine case at equal intervals. The end parts of the hydraulic cylinders are connected with the digging machine case through pin shafts, and ear rings of piston rods are arranged on the joint bearings of the eccentric shafts. Because the omission of a connecting plate, the design and the manufacture are easier, the manufacture cost is lower, the axial distance is shorter, and the stress of the cutter disc driving bearings is smaller. Because the hydraulic cylinders are adopted for driving, the cutter disc driving work is more reliable.

The invention discloses a high-power power compensation voltage-stabilization capacity-adjustment alternating current power source with a stepless-voltage-adjustment arc extinction switch. The high-power power compensation voltage-stabilization capacity-adjustment alternating current power source is mainly applied to a resistance or resistance-capacitance alternating current load system with the voltage stepless or step adjustment requirement, the voltage stabilization requirement, the capacity adjustment requirement and the reactive compensation requirement. When the power grid secondary voltage is required to be adjusted, stepless voltage adjustment and step voltage adjustment can be carried out through the system, and the voltage adjustment function and the capacity adjustment function are achieved; when the power grid voltage is required to be constant, under the condition of any fluctuation of the power grid voltage, the voltage of the secondary side of a power grid can be kept constant at a high speed, the voltage stabilization function, the capacity increasing function and the power factor adjustment function are achieved, and it is most important that the Matthew effect in traditional power factor adjustment is eliminated. The high-power power compensation voltage-stabilization capacity-adjustment alternating current power source has the advantages of being high in automation degree, low in harmonic wave and free of maintenance, and saving energy. The waveform of the output voltage during step voltage adjustment is a sine wave. The waveform of the voltage during stepless voltage adjustment in any cycle wave is composed of continuous sine wave cycle pieces, the waveform of the voltage is continuous and approximates the sine wave when the voltage adjustment range is small, and the voltage adjustment range ranges from 0 percent to 100 percent.

A multi-station machine vise that is disclosed herein that utilizes soft jaws, which are symmetrical and machineable on all four sides. The jaws being identical in size and configuration makes them interchangeable / usable on any vise station, which results in reduced operating costs. The movable jaws are precisely located and fastened to the vise utilizing a jaw carrier, which incorporates a pull-down action to eliminate jaw lift. The jaw carrier includes a downwardly positioned wedge design that engages a corresponding wedge on a slide that moves the jaw carrier and the jaw. Incorporating the pull-down mechanism into the jaw carrier disposed between and slide and the jaw allows for simplifying the design and manufacture of the jaws.

The invention discloses a line single-phase earth fault positioning method based on the before-and-after fault voltage phase characteristic. The line single-phase earth fault positioning method includes the steps of firstly, measuring a fault-phase voltage, a fault-phase current and a zero sequence current at the protection installation position of an electric transmission line, measuring voltages of the other two normal phases, calculating a fault-phase voltage when the electric transmission line normally operates in real time through the voltages of the two normal phases after line single-phase earth faults, sequentially calculating a phase angle of the fault-phase voltage of each point on the electric transmission line and the fault-phase voltage, when the electric transmission line normally operates, of the point of the electric transmission line in the mode of beginning with the protection installation position of the power transmission line and gradually increasing with a fixed step length, and achieving accurate ranging of the electric transmission line single-phase earth faults through the characteristic that the angles of the fault-phase voltages in front of and behind a fault point and the fault-phase voltage when the electric transmission line normally operates can generate phase step changes. According to the line single-phase earth fault positioning method, the fault-phase voltage before the line single-phase earth faults is not required to be memorized, a loop for keeping the voltage before the line faults is not required to be set, influences of transition resistance and a load current are eliminated, and the ranging accuracy is high.

The invention relates to the harmonic damper semi object simulation testing system. It comprises an enclosed semi object simulation testing circle by the control machine simulation platform, digital mode converter with several paths and its data collecting card, signal treatment device, electric liquid servo activator, vibrating platform, harmonic mass damper to be tested. It is reduced in development cost and improved in efficiency.

An electrical connector includes a housing, a seat body, a terminal group, a printed circuit board, and a cover. The housing has a hollow body. The seat body is disposed in the housing. The terminal group is disposed on the seat body. An end of the terminal group electrically connects with the printed circuit board. The printed circuit board electrically connects with a microprocessor. The cover covers a bottom portion of the seat body. Pins of the printed circuit board passes through the cover and electrically connects with a main board of an electronic device, making the microprocessor able to calculate or control the electronic device to execute different functions and operations.

The invention discloses a water turbine with multiple vanes. The water turbine comprises volutes, rotating wheels, a support cover, a bearing, a bottom ring and a drainage pipe. Nozzle rings are arranged in volute spiral runners and on the radial peripheries of the rotating wheels, orifices for jetting liquid flow to drive the rotating wheels are arranged on the nozzle rings at equal intervals, vanes are evenly arranged on the circumferences of the rotating wheels at equal intervals, and arc-shaped runners matched with the liquid flow jetted by the orifices are formed between the vanes. The runners of the water turbine with multiple vanes can convert not only kinetic energy of the liquid flow but also part of potential energy of the liquid flow; within a certain range of revolving speed, output power and flow are basically in a linear relationship, so that a complex adjustment and control system is not needed; and the structure of the water turbine is greatly simplified, the production process is simple and the cost is reduced. The water turbine is compact in structure, applicable to purposes such as small-size (miniature) hydroelectric generation and conversion from liquid dynamic energy to rotary mechanical energy in pipelines.

The invention relates to a heat accumulating type trans-critical flue gas waste heat recovery device, which is characterized in that the recovery device comprises an outer cylinder body, an inner cylinder body, a liquid collection cone, a gas distribution core, rotating blades, and a heat accumulator, wherein the upper end of the outer cylinder body is provided with a flue gas outlet and an air inlet, and the outer cylinder body is sleeved at the lower end of the inner cylinder body; the lower end of the outer cylinder body is connected with the liquid collection cone; the upper end of the inner cylinder is provided with a flue gas inlet and an air outlet, the lower end of the inner cylinder body is provided with a heat accumulator support, and the heat accumulator is placed on the heat accumulator support in the inner cylinder body; and the lower end of the heat accumulator support in the inner cylinder body is provided with the gas distribution core, and the rotating blades are arranged between the inner cylinder body and the gas distribution core. The recovery device has the advantages that the recovery device can recover trans-critical waste heat of flue gas and heat of evaporation latent heat, save a large quantity of energy sources, and reduce the emission of acid gas due to the fact that the acid gas in the flue gas after waste heat recovery can saturate to precipitate at a dew point.

The invention provides a four-drive vehicle hybrid power system. The four-drive vehicle hybrid power system comprises an engine, a first clutch, an engine power input shaft, a driven gear, a driving gear, a first motor, a second clutch, a front main reduction driving gear, a front main reduction driven gear, a front differential, a second motor, a rear main reduction driving gear, a rear main reduction driven gear and a rear differential. The four-drive vehicle hybrid power system is simple in structure, one motor is arranged on a front drive axle, one motor is arranged on a rear drive axle, the structure is not dependent on the traditional automatic gearbox technology, and the structure is easy to design and manufacture; and by arranging the two clutches in a front power coupling box, thenine modes including three pure electric drive modes, three parallel drive modes, engine direct drive, series connection and a parking power generation mode can be achieved, and the system redundancyis increased.

The invention relates to a light emitting module, in particular a light emitting module comprising, a flexible and / or foldable LED-strip (102, 402, 502, 602, 702, 802, 902) comprising at least one light emitting diode (104, 904, 905), the LED-strip (102, 402, 502, 602, 702, 802, 902) forming a light cavity (110, 510, 810, 910), and a light exit opening (106, 506, 806) allowing light to exit the light cavity (110, 510, 810, 910), wherein the at least one light emitting diode (104, 904, 905), faces the light cavity (110, 510, 810, 910), and wherein a shape of the light exit opening (106, 506, 806) is dependent on a flexing and / or folding of the LED-strip (102, 402, 502, 602, 702, 802, 902). The invention also relates to a LED-lamp (1000) and a LED-luminaire (2000) comprising such a light emitting module. A method (3000) for changing the light intensity of a light emitting module is further provided.

The invention provides a heat accumulating type flue gas waste heat recovery device. The device consists of a heat accumulator and a heat exchanger, wherein the heat accumulator comprises a heat accumulator barrel and at least one heat accumulating body arranged in the middle or on the inner wall of the heat accumulator barrel, the front end of the heat accumulator barrel is provided with a flue gas inlet, and a rear end outlet of the heat accumulator is connected with the heat exchanger directly or by a flue; and a flue gas outlet is formed at the tail end of the heat exchanger. The heat accumulating body is made of a solid heat accumulation material or a phase-change heat accumulation material (PCM material). The heat accumulating type flue gas waste heat recovery device has the advantages of suppressing temperature fluctuation of flue gas removing, effectively increasing recovery rate of waste heat and improving waste heat output quality, reducing production energy consumption of enterprises to the maximum degree, and fully meeting flue gas waste heat recovery requirements of various industrial furnaces and industrial boilers.