38results about How to "Reduced form factor" patented technology

Sub-boundary-layer-scale ramp-like vortex generators that can be mounted on any surface such as the wing of an airplane, the inlet to a propulsion system, the hull of a ship, or any other surface over which a fluid moves, when the objective is to minimize drag, irreversibility losses, or other performance penalties that can occur for reasons such as boundary layer separation or other undesirable boundary layer properties. The disclosed devices acts to passively induce streamwise vortices in the boundary layer, thereby transferring high-momentum fluid toward the surface in such a way as to alter the shape of the velocity profile within the boundary layer and thereby avoid or delay separation or alter other properties of the boundary layer.

Sub-boundary-layer-scale ramp-like vortex generators that can be mounted on any surface such as the wing of an airplane, the inlet to a propulsion system, the hull of a ship, or any other surface over which a fluid moves, when the objective is to minimize drag, irreversibility losses, or other performance penalties that can occur for reasons such as boundary layer separation or other undesirable boundary layer properties. The disclosed devices acts to passively induce streamwise vortices in the boundary layer, thereby transferring high-momentum fluid toward the surface in such a way as to alter the shape of the velocity profile within the boundary layer and thereby avoid or delay separation or alter other properties of the boundary layer.

This disclosure provides systems, methods, and apparatus for through substrate via inductors. In one aspect, a cavity is defined in a glass substrate. At least two metal bars are in the cavity. A first end of each metal bar is proximate a first surface of the substrate, and a second end of each metal bar is proximate a second surface of the substrate. A metal trace connects a first metal bar and a second metal bar. In some instances, one or more dielectric layers can be disposed on surfaces of the substrate. In some instances, the metal bars and the metal trace define an inductor. The inductor can have a degree of flexibility corresponding to a variable inductance. Metal turns can be arranged in a solenoidal or toroidal configuration. The toroidal inductor can have tapered traces and / or thermal ground planes. Transformers and resonator circuitry can be realized.

The invention discloses a film-covered woven body system for embolic arterial aneurysms in the field of medical appliances. The film-covered woven body system comprises a meshed woven body and a delivery system connected with the woven body, the woven body is of a gourd-shaped double-layer spherical structure after being released, the bottom of the woven body is flat, and a connection part of the woven body and the delivery system is arranged inside the woven body, that is, the connection part is arranged not to protrude out of the woven body. The inner surface or the outer surface of the woven body is covered by a film. The film is made of polytetrafluoroethylene and the like and is arranged in one layer or a plurality of layers. Complete film coverage or partial film coverage can be adopted, but the bottom of the woven body needs be fully covered by the film. Compared with a woven body with no covering film, blood can be prevented more effectively from entering the arterial aneurysm to cause impact on the aneurysm wall. Effects can be improved along with increase of the number of film layers. Meanwhile, since the inner side of the woven body is covered by the film, meshes of the surface of the woven body can be made relatively sparse, the number of woven yarns for the woven body can be decreased, the size of the external contour can be reduced, and resistance in in-vivo delivery can also be reduced.

The invention discloses a mobile concrete mixing plant and a batching machine thereof. The batching machine comprises a batching machine main body, a conveyor and a plurality of supporting legs, wherein the batching machine main body is supported on the preset base through the supporting legs. Compared with the prior art, the batching machine has a working state and a conveying state, wherein in the working state and the conveying state, the conveyor is suspended under the batching machine main body through suspending parts; when the working state is switched to be the conveying state, the vertical height of the supporting legs is reduced and the outline of the batching machine is reduced; in the conveying state, because the outline of the batching machine is smaller, the batching machinemain body does not need to be separated from the conveyor and materials do not need to be conveyed respectively before transfer and transportation and the batching machine has better transfer and transportation performance; and at the same time, in the working state, the batching machine has a bigger outline size so as to meet the requirement of the mobile concrete mixing plant on the preparationof concrete.

The invention discloses a timing estimation method for burst communication. The method is carried out based on a leader sequence. The leader sequence is composed of a binary system m sequence with good correlated characteristics. The method comprises the steps of sending a signal frame with the leader sequence at a communication modulation end, wherein the leader sequence is filled with the m sequence with the good correlated characteristics; sampling a base band receiving signal at a communication demodulation end at the sampling rate four times the symbol rate, and conducting timing estimation based on the sampling rate; sending the received sampling signal into a correlator, and conducting correlation operation on the local m sequence, wherein the correlation operation is completed through addition and subtraction, and the correlator outputs an appearance steep peak value; conducting norm processing on the output of the correlator, finding the maximum point of the norm, and determining the maximum peak value; selecting eight values nearby the peak value to be used for timing estimation, solving the frequency spectrum component of the sequence at the symbol rate, calculating the phase position of the frequency spectrum component, and conducting the normalization processing on the phase position to obtain time domain timing deviation.

The invention provides a sander. The sander comprises a shell, a motor arranged in the shell, and an abrasive disk which is connected with the motor and driven by the motor to rotate for performing grinding operation, wherein the motor is an axial magnetic field motor. The axial magnetic field motor is adopted for the sander for replacing a radial magnetic field motor, because the external shape of the magnetic field motor is flat, the contour of the sander can be reduced, and therefore the palms of an operator can approach to the abrasive disk, and the operator can accurately control the grinding position of the abrasive disk conveniently.

The invention discloses a film-covered woven body system for embolic arterial aneurysms in the field of medical appliances. The film-covered woven body system comprises a meshed woven body and a delivery system connected with the woven body, the woven body is of a gourd-shaped double-layer spherical structure after being released, the bottom of the woven body is flat, and a connection part of the woven body and the delivery system is arranged inside the woven body, that is, the connection part is arranged not to protrude out of the woven body. The inner surface or the outer surface of the woven body is covered by a film. The film is made of polytetrafluoroethylene and the like and is arranged in one layer or a plurality of layers. Complete film coverage or partial film coverage can be adopted, but the bottom of the woven body needs be fully covered by the film. Compared with a woven body with no covering film, blood can be prevented more effectively from entering the arterial aneurysm to cause impact on the aneurysm wall. Effects can be improved along with increase of the number of film layers. Meanwhile, since the inner side of the woven body is covered by the film, meshes of the surface of the woven body can be made relatively sparse, the number of woven yarns for the woven body can be decreased, the size of the external contour can be reduced, and resistance in in-vivo delivery can also be reduced.

Provided is a semiconductor device which includes a flexible circuit board whereupon a first external electrode is arranged on a first surface and second and third external electrodes are arranged on a second surface; a plurality of memory devices and passive components; a supporting body having a groove on one surface; and an arithmetic processor device. The memory devices and the passive components are connected to the first external electrode, the one surface of the supporting body is bonded on the first surface of the flexible circuit board so that a groove stores the memory devices and the passive components. The flexible circuit board is bent along the periphery of the supporting body, and wraps the side surfaces and the other surface of the supporting body. On the flexible circuit board, the second external electrode is arranged on the second surface which faces the first external electrode, and the third external electrode is arranged on the second surface which is bent to the other surface of the supporting body. The arithmetic processor device is connected to the second external electrode, and a bump is formed on the third external electrode.

The invention provides an upper-lower combination type dual-heat storage burner with embedded burner blocks, and belongs to the technical field of dual-heat storage burning on heating furnaces and heat treatment furnaces. The upper-lower combination type dual-heat storage burner comprises a shell body, an air heat storage box, a coal gas heat storage box, the coal nozzle burner block and an air nozzle burner block; the air heat storage box and the coal gas heat storage box are combined in the shell body and are in an upper-lower structure. The embedded coal nozzle burner block and the embedded air nozzle burner block 18 are designed to be of a boss structure. When being installed on a burner body, the burner blocks are inserted into the burner body by 70 mm; when the burner blocks are mounted, a 10-mm zirconium-containing fiber blanket is wrapped around each burner block and extruded to be 5 mm thick, so that a compact fiber sealing surface is formed. The upper-lower combination type dual-heat storage burner with the embedded burner blocks has the advantages that the embedded burner blocks are of the boss structure and are connected with the burner body through drag hooks, the gaps between the burner blocks and the burner body are filled with the 10-mm zirconium-containing fiber blankets, and therefore the burner blocks and the burner body are more reliably connected; the burner is light in structure and convenient to install and maintain.

The invention relates to a cable striping device. The cable striping device comprises a box body, a feed inlet is formed in the left end of the box body, a feed outlet is formed in the right end of the box body, a motor is installed in the box body, a large chain wheel is installed on the motor, a motor protecting frame is arranged at the outer side of the motor, a driving wheel base is installedat the upper portion of the motor protecting frame, a first driving wheel, a first blade and a second driving wheel are installed on the driving wheel base from left to right, small chain wheels are arranged at the outer sides of the first driving wheel and the second driving wheel respectively, and the large chain wheel is connected with the small chain wheels through transmission chains; a hydraulic top rod is fixed to the upper portion of the box body, a pressing wheel frame is connected to the lower portion of the hydraulic top rod, and a first pressing wheel, a second pressing wheel and asecond blade are installed on the pressing wheel frame from left to right; a waste opening is formed in the right side of the bottom of the box body, a first feed guide plate is installed at the leftside of the waste opening, and a second feed guide plate is installed at the right side of the waste opening. The cable striping device is compact in structure and safe and efficient in work, and cable outer sheath can be quickly striped.

The present invention is one kind of high voltage switch equipment with sensor technology adopted. The high voltage switch equipment includes cabinet, main bus chamber, breaker chamber, relay and meter chamber, cable chamber, detector and insulator column supporting bus inside the cabinet. The detector includes current sensor in the insulator column with leads connected directly with automatic device, microcomputerized protector and measuring meters. The present invention has small size and simple structure.

The invention relates to a communication-in-motion antenna, and belongs to the field of airborne satellite communication. The communication-in-motion antenna comprises an azimuth adjusting mechanism;a pitch adjusting mechanism; an antenna body comprising a hemispherical lens; and a reflective plate, wherein the reflective surface of the reflective plate is provided with a hemispherical lens; anda feed source, wherein the phase center of the feed source coincides with the focusing position of the antenna body, and the feed source moves along with the azimuth adjusting mechanism. The pitch adjusting mechanism is arranged on the azimuth adjusting mechanism.The antenna body is arranged on the pitch adjusting mechanism. Compared with other communication-in-motion antenna equipment in the field, the mechanical rotation angle is ensured to be halved under the condition that the rotation angle of the pitch beam is the same. The overall contour of the antenna can be made very low to be conformal with the aircraft under the condition of limited motion envelope of the antenna and the overall structure is more compact.

The invention provides a movable elbow rotating structure, comprising a male end of the elbow body and a female end of the elbow body. The female end of the elbow body is provided with three inner trapezoidal slide grooves on a mating surface of the male end of the elbow body. The outer side wall of the male end of the elbow body is provided with outer trapezoidal slide grooves matched with the inner trapezoidal slide grooves in one-to-one correspondence. The outer trapezoidal slide grooves and the inner trapezoidal slide grooves cooperate one-to-one to form three annular chute spaces. The female end of the elbow body is respectively provided with three plug ports communicating with the three annular chute spaces, and the annular chute spaces are filled with a plurality of conical ring blocks arranged in a ring shape. Each conical ring block includes an outer annular surface slidably matched with the inner trapezoidal slide grooves, an inner annular surface slidably matched with the outer trapezoidal slide grooves, and two conical surfaces, a first conical surface and a second conical surface, connected between the outer annular surface and the inner annular surface. The movable elbow rotating structure can effectively save the cost of an elbow and prolong the service life of the movable elbow.

The embodiment of the invention provides a main insulation structural device and method of a vertical high-temperature superconducting resistance type current limiter. The device comprises wire-outletunits, a superconducting resistance current-limiting unit, a low-temperature container, a paper insulation and liquid nitrogen, the superconducting resistance current-limiting unit is arranged at thecentral position in the device and connected with the two wire-outlet units to be led out to the outside of the device, the low-temperature container is a cylinder structure, the paper insulation isa cylindrical structure, the external diameter of the paper insulation is the same as the internal diameter of the low-temperature container, the paper insulation is arranged at the inner side of thelow-temperature container, the liquid nitrogen is arranged between the paper insulation and the superconducting resistance current-limiting unit, and a composite insulation structure formed by the liquid nitrogen and the paper insulation bears an operating voltage and an impulse voltage of the high-temperature superconducting resistance type current limiter together. According to the device and method, the withstand voltage requirement of main insulation can be satisfied, the overall appearance and size of the main insulation structural device can be reduced, the requirement of equipment occupation of the superconducting current limiter is reduced, and the effective utilization rate of the liquid nitrogen is increased.

The invention provides a double-fluorescent material radiation dose detection optical fiber probe, which is used for detecting the absorbed dose in a radiation area. The optical fiber probe comprises a first optical fiber and a second optical fiber, wherein one end of the first optical fiber and one end of the second optical fiber are used for being connected with a first light intensity detector and a second light intensity detector respectively; detection end parts of the first optical fiber and the second optical fiber are internally filled with a first fluorescent material and a second fluorescent material respectively; and the first fluorescent material and the second fluorescent material are two different kinds of fluorescent materials. The double-fluorescent material radiation dose detection optical fiber probe has the beneficial effects that as the first optical fiber and the second optical fiber are internally filled with the different fluorescent materials respectively, the actual radiation depth and the actual radiation absorbed dose in the radiation area are obtained through an incorrect solution removal method by using the two different fluorescent materials and in the case of real-time measurement, health and safety of a patient during a course of radiotherapy can be ensured.

A power supply system includes a power supply switch (102) including a first input voltage port, a second input voltage port, and an output voltage port; and a comparator circuit (104) configured to compare a first input voltage (VinA) at the first input voltage port with a second input voltage (VinB) at the second input voltage port, and select a maximum of the first input voltage and the second input voltage. The comparator circuit (104) is further configured to couple the selected maximum voltage to an n-well region of the power supply switch (102) to block reverse current flow from the output voltage port to the first and the second input voltage ports, and further block reverse current flow from the first input voltage port to the second input voltage port. The system can provide true reverse current blocking and hot swap capability.

The invention provides a movable elbow rotating structure, comprising a male end of the elbow body and a female end of the elbow body. The female end of the elbow body is provided with three inner trapezoidal slide grooves on a mating surface of the male end of the elbow body. The outer side wall of the male end of the elbow body is provided with outer trapezoidal slide grooves matched with the inner trapezoidal slide grooves in one-to-one correspondence. The outer trapezoidal slide grooves and the inner trapezoidal slide grooves cooperate one-to-one to form three annular chute spaces. The female end of the elbow body is respectively provided with three plug ports communicating with the three annular chute spaces, and the annular chute spaces are filled with a plurality of conical ring blocks arranged in a ring shape. Each conical ring block includes an outer annular surface slidably matched with the inner trapezoidal slide grooves, an inner annular surface slidably matched with the outer trapezoidal slide grooves, and two conical surfaces, a first conical surface and a second conical surface, connected between the outer annular surface and the inner annular surface. The movable elbow rotating structure can effectively save the cost of an elbow and prolong the service life of the movable elbow.

The invention discloses a vacuum extruding machine of a novel series. The vacuum extruding machine comprises a stirring system, a vacuum system, a vacuum extrusion system, a water circulating and cooling machine head, an upper-stage power system, a lower-stage power system and a base; the stirring system comprises a stirring box body, and the top of the stirring box body is provided with a feeding hopper; the vacuum system is arranged at one end of the stirring system and is connected with the stirring system in a through mode; the vacuum extrusion system is arranged below the vacuum system, and the lower port of the vacuum system is connected with the upper port of the vacuum extrusion system through a flange; the water circulating and cooling machine head is arranged on one side of the vacuum extrusion system and is connected with the vacuum extrusion system through a flange panel, and one end of the water circulating and cooling machine head is provided with an extruding machine outlet; the upper-stage power system is used for driving the stirring system and is arranged on one side of the stirring system; the lower-stage power system is used for driving the vacuum extrusion system and is arranged on one side of the vacuum extrusion system; and the vacuum extrusion system, the upper-stage power system and the lower-stage power system are arranged on the base. The vacuum extruding machine is optimized in structure, simple and convenient to use, practical and easy to maintain.

A power semiconductor package is disclosed. The power semiconductor package includes a leadframe having partially etched segments and at least one non-etched segment, a first semiconductor die having a first power transistor and a driver integrated circuit (IC) monolithically formed thereon, a second semiconductor die having a second power transistor, wherein the first semiconductor die and the second semiconductor die are configured for attachment to the partially etched segments, and wherein the partially etched segments and the at least one non-etched segment enable the first semiconductor die to be coupled to the second semiconductor die by a legless conductive clip.

The invention discloses a table top fixing mechanism for a sitting posture appliance. The table top fixing mechanism includes a base (1) and one or more supporting rods (2), the base (1) is provided with a first fixing plate (1.1) and a second fixed plate (1.2), and the supporting rods (2) penetrate through the first fixing plate (1.1); during locking, the supporting rods (2) are rotated in eitherdirection based on the position at the alpha angle to limit a locking sleeve (3) in the direction circumferentially and axially, and synchronously drive the locking sleeve (3) to be rotatably connected with a threaded hole of the first fixing plate (1.1); during releasing, the supporting rods (2) are rotated in the opposite directions, and the supporting rods (2) and the locking sleeve (3) are located on the position at the alpha angle, and the supporting rods (2) and the locking sleeve (3) slide axially. The mechanism can be quickly locked and unlocked, the tightening distance is short, andthe reliability for long-term use is better.

Disclosed are a mobile concrete mixing plant and a batching machine thereof. The batching machine is provided with a batching machine body (100) supported on a predetermined base (510) by supporting legs (300), a conveying machine (400) and multiple supporting legs (300). The conveying machine (400) is suspended below the batching machine body (100) via a suspension component. The batching machine has a working state and a conveying state. When the working state is switched to the conveying state, the vertical height of the supporting legs (300) is reduced and the outline of the batching machine is reduced so that before transferred and transported the batching machine body (100) does not need to be separated from the conveying machine (400) and materials do not need to be conveyed respectively thereby enabling the batching machine to possess better transfer and transportation performance. At the same time, the batching machine has a larger outline size in the working state so as to meet the requirement of the mobile concrete mixing plant on the preparation of concrete.

The invention provides a metal high-temperature fire head, and relates to the technical field of temperature control equipment. The metal high-temperature fire head comprises a fire head shell, gas inlet pipes, a partition plate, a fire distribution plate, gas distribution pipes and a fire outlet, the gas inlet pipe is communicated to the bottom of the fire head shell, the fire distribution plate is fixedly connected to the opening position of the top of the fire head shell, the fire outlet is formed in the fire distribution plate, the partition plate is installed in an inner cavity of the fire head shell, and the gas distribution pipe is arranged between the partition plate and the fire distribution plate. A stainless steel material is selected as a high-temperature fire head material, so that the defects of manufacturing shapes, easiness in breaking and the like are overcome; the two groups of air inlet pipes and the multiple groups of branch air pipes are arranged to form a double-layer steam inlet and multi-pipe branch structure, so that the defect of high-temperature tempering is effectively overcome, and the use safety is ensured; meanwhile, the appearance specification of the high-temperature fire head is reduced, the requirement for manufacturing a small high-temperature fire head is met, the temperature control precision during quartz crystal form transformation can be improved, and the quartz crystal form transformation effect is further improved.

The invention relates to a reductant thermal decomposition system of a selective catalytic reduction device. The reductant pyrolysis system of the selective catalytic reduction device of the present invention includes: an elbow (10), which is arranged on the exhaust pipe at the front end of the reactor (Reactor) to allow the exhaust gas to flow in, and to discharge the inflow exhaust gas to the Reactor side; an inner pipe unit (20), which is arranged inside the elbow (10), so that a part of the exhaust gas flows in and discharged; a heating device (60), which is arranged on the inner pipe unit (20), heating the waste gas flowing into the inner pipe unit (20); and a nozzle (70), which is arranged on the inner pipe unit (20), and is arranged on the side of the heating device (60) based on the flow of the waste gas. On the rear end side, a reducing agent is injected into the inner pipe unit (20).

The invention discloses a timing estimation method for burst communication. The method is carried out based on a leader sequence. The leader sequence is composed of a binary system m sequence with good correlated characteristics. The method comprises the steps of sending a signal frame with the leader sequence at a communication modulation end, wherein the leader sequence is filled with the m sequence with the good correlated characteristics; sampling a base band receiving signal at a communication demodulation end at the sampling rate four times the symbol rate, and conducting timing estimation based on the sampling rate; sending the received sampling signal into a correlator, and conducting correlation operation on the local m sequence, wherein the correlation operation is completed through addition and subtraction, and the correlator outputs an appearance steep peak value; conducting norm processing on the output of the correlator, finding the maximum point of the norm, and determining the maximum peak value; selecting eight values nearby the peak value to be used for timing estimation, solving the frequency spectrum component of the sequence at the symbol rate, calculating the phase position of the frequency spectrum component, and conducting the normalization processing on the phase position to obtain time domain timing deviation.

The invention relates to a compact multi-user multi-stage multi-target magnetic tracking system. A compact multi-user magnetic tracking system is disclosed. In one embodiment, compactness is achieved by sensing a magnetic field generated by a single coil and determining the position and attitude of the receiver relative to the transmitter using the single coil and inertial sensor at the transmitter and a magnetometer and inertial sensor at the receiver. The transmitter and the receiver each include a wireless transceiver for exchanging clock synchronization data and transmitting transmitter attitude data to the receiver. In another embodiment, frequency division multiplexing or time division multiplexing is used to differentiate multiple users of the multi-user magnetic tracking system.