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46results about How to "Does not increase in length" patented technology
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Double clutch type automatic gearbox
ActiveCN101713459AReduce length dimensionCompact structureToothed gearingsGearing controlAutomatic transmissionEngineering
The invention discloses a double clutch type automatic gearbox, which comprises a shell of the gearbox, first and second input shafts, and first and second automatic clutches which selectively transmit the rotation of a motor to the first or second input shaft; two sides of the first and second input shafts are provided with first and second output shafts basically parallel to the first and second input shafts; driving gears arranged on the input shafts are meshed with driven gears capable of rotatably sleeved on the first output shaft and / or the second output shaft; and at least one driving gear in the driving gears arranged on the first input shaft or the second input shaft is simultaneously two driven gears on the first and second output shafts. The driving gears are shared, so the arrangement mode of the gear transmission group is changed into a parallel arrangement mode, the length of the gearbox can be greatly shortened, the gearbox can be provided with eight gears on the premise of maintaining the same dimension as a five- or six-gear gearbox, and the dynamic property, the economical efficiency and the grade of the whole vehicle are obviously improved.
Owner:ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
Socket and connector assembly
ActiveCN105242356ACompact structureDoes not increase in lengthCoupling light guidesEngineeringMechanical engineering
The invention provides a socket and a connector assembly. The connector assembly comprises a plug and the socket. An axis which is extended towards left and right directions of a front end of a socket shell is rotatably assembled with a dust cover. The socket shell is also provided with a spring driving mechanism which provides an elastic force for the dust cover overturning towards a closing position. The spring driving mechanism comprises a straight push spring extended forward and backward and a force transmission component which transmits a force between the straight push spring and the dust cover. The dust cover possesses a closed bearing portion. The force transmission component possesses a closed top pressing portion which pushes the closed bearing portion. The spring driving mechanism of the socket in the invention comprises the straight push spring and the force transmission component which transmits the force between the straight push spring and the dust cover; when the straight push spring is set, a space on a length direction of the socket shell can be used, wherein the length direction is a front and back direction; a height of the socket shell and a length of the socket shell are not increased so that the whole socket structure is compact and a usage condition of an integrated and miniature socket connector can be satisfied.
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD
Spatial filtering system
The invention provides a spatial filtering system. The system comprises a laser input device, a spatial filter and an optical path adjusting device, wherein a small hole for filtering is formed in the spatial filter. The system is characterized in that: the optical path adjusting device comprises a charge coupled device (CCD) arranged on the side face of the spatial filter, and a reflecting mirror which is positioned in the spatial filter and is used for reflecting a profile image of the small hole to the CCD. The spatial filtering system has the advantages that: 1, the CCD cannot increase the length of a main optical path, so the system has small volume; 2, the laser energy loss of the main optical path is low; and 3, the system can observe an image near the small hole in the incident light direction and the emergent light direction simultaneously, is convenient to control, and is favorable for improving laser alignment accuracy.
Owner:BEIJING GK LASER TECH
Bag type lithium integrated battery and its manufacture
ActiveCN1713444ADoes not increase in lengthFinal product manufactureWound/folded electrode electrodesLithium polymer batteryElectrode
Pouch-type lithium polymer batteries and methods of making them are disclosed. Such batteries include a wound electrode assembly including positive and negative plates and a separator. Positive and negative tabs are attached to the positive and negative plates and extend from the electrode assembly. The electrode assembly is packed into a pouch including a chamber and a lid. Positive and negative tabs extend out of the bag. The protective circuit module is electrically connected to the positive and negative electrode tabs, and is molded with or encased in resin to form a protective circuit structure disposed opposite to the front surface of the pouch. The pouch-type lithium polymer battery of the present invention can be used in external devices such as laptop computers or PDAs. The protection circuit structure of the present invention will not be short-circuited with the circuit of the external device.
Owner:SAMSUNG SDI CO LTD
Error detection method and device for data blocks
ActiveCN102263612AImprove error detection abilityDoes not increase in lengthError preventionEquipment useNarrowband
The invention relates to an error detection method used for a data block. The method comprises the following steps: generating the data block which comprises a first field and at least one second field, the first field having a first multi-bit and the second field having a second multi-bit; selecting a CRC initial value of the second multi-bit according to the first field; taking the CRC initial value as an initial value of a CRC register, then calculating a CRC code of the second multi-bit; adding the CRC code into the second multi-bit, forming a whole second multi-bit, the second multi-bit including the CRC code being used for error detection when the second multi-bit is decoded; and emitting the data block including the first multi-bit and the whole second multi-bit. The invention also relates to the error detection method of the data block receiver. The method comprises the steps of selecting the CRC initial value according to a rule which is the same with a sender and utilizing the CRC initial value to carry out verification to the data block by adopting the first field after the decoding. The invention also relates to error detection equipment used for the data block. Error detection capability of the data block is improved without increasing a data length of the original data block. An error operation caused by incorrectly encoding of partial field can be avoided. In the invention is very suitable for a narrowband communication system with limited bearing capability.
Owner:四川海格恒通专网科技有限公司
P2P (Peer-to-Peer) mode based PSRD (Program Support Requirements Document) universal service resource discovery method
InactiveCN101917475ADoes not increase in lengthComputational work simplifiedTransmissionHash functionPeering
The invention relates to a P2P (Peer-to-Peer) mode based PSRD (Program Support Requirements Document) universal service resource discovery method, comprising the following steps of: carrying out hash operation on targets (names or descriptions of resources and IP addresses of nodes) through hash functions, wherein the result of the hash operation is an m-digit binary identifier ID which is respectively recorded as IDk=Hash (the names or the descriptions of the resources) and IDn=Hash (IP), and the value range of the IDn is [0, 2m-1]; arraying the IDn from 0 to 2m-1 into a circle according to a sequence from large to small so as to form distributed structuring network node rings, wherein each structuring network node ring stores a subsequent node; mapping a given target to a certain peering point of a network, wherein the peering point stores a (IDk, Value) pair, the IDk is a hash value of a resource to be searched, and the Value is the actual storage position of the resource to be searched; when searching the resource, directly inquiring in a local pointer gauge, and directly spanning a plurality of nodes to reach a destination node or a node near the destination node till the resource is found or corresponding error handling is carried out.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY
Fall prevention device for torsional impacter
InactiveCN101967952AHigh strengthDoes not increase in lengthDrilling rodsConstructionsDrive shaftUltimate tensile strength
The invention relates to a fall prevention device for a torsional impacter, which is used for oil and gas drilling and can prevent the failed internal parts of the torsional impacter from falling to the bottom of a well to cause drilling accidents. The technical scheme is that: a shell is in clearance fit with a transmission shaft; the shell is provided with a shell groove; the transmission shaft is provided with a transmission shaft groove; the radial thickness of a fall prevention block is smaller than the depth of the transmission shaft groove; the fall prevention block is compressed in the transmission shaft groove; when the transmission shaft groove moves to the shell groove to form a cavity, a spring is released and the fall prevention block is pushed to the shell groove and tightly attached to the wall surface of the shell groove; and a threaded pin is arranged in a threaded hole formed on the shell. The grooves are respectively formed at a centering position of the transmission shaft and the shell, so that the length and external diameter of a tool cannot be increased, and the shell has high strength; meanwhile, drilling fluid can be prevented from entering the torsional impacter from the fall prevention device; the spring is compressed and released so as to realize assembly and disassembly; and the fall prevention device has a simple structure and high safety factor and is used for an underground drilling tool.
Owner:SOUTHWEST PETROLEUM UNIV
Mass spectrometer, ion optical device and method for ion operation in mass spectrometer
ActiveCN107665806AHigh sensitivityGuaranteed wide dynamic rangeStability-of-path spectrometersTime-of-flight spectrometersRadiation modeMiniaturization
The present invention provides a mass spectrometer, an ion optical device and a method for ion operation in a mass spectrometer. The mass spectrometer comprises: a mass analyzer; an ion guidance device which comprises two sets of electrode arrays arranged in parallel to each other, each set of the annular electrode array is formed by at least two concentrically arranged annular electrodes or formed by at least three linear electrodes distributed in a radiation mode; and a power device configured to apply voltage at the at least part of the annular electrodes to form a radio frequency electricfield and a direct current electric field, ions are stored at an area between the two sets of arrays through the frequency electric field and direct current electric field, and the ions can be controlled to be released along a radial direction according to a predetermined mass-to-charge ratio requirement and can be controlled to depart from the ion guidance device to enter the mass analyzer for mass analysis. According to the technical scheme, high ion utilization efficiency and large ion storage capacity can be realized, and miniaturization of an instrument can be realized.
Owner:SHIMADZU SEISAKUSHO LTD
Idle lock head clutch structure
The invention relates to an idle lock head clutch structure, which comprises a lock head body, a lock cylinder assembly arranged in the lock head body, and a clutch arranged opposite to the lock cylinder assembly, wherein the lock cylinder assembly comprises a lock cylinder, a clutch disc arranged in the lock cylinder and a stop element arranged in the lock cylinder; the clutch is sleeved with the lock cylinder; and the clutch disc is provided with a first clutch wall matched with the stop element and a second clutch wall matched with the clutch. The clutch of the lock cylinder is sleeved with the lock cylinder, and the clutch disc is provided with the first clutch wall and the second clutch wall matched with the stop element and the clutch respectively, so that clutch operation is realized, and in the novel clutch structure, the rear clutch is not driven to rotate by random angle ration of an unauthorized key, and the clutch can be driven to rotate by random angle insertion of an authorized key.
Owner:ASSA ABLOY ZHONGSHAN SECURITY TECH COMPANY
Anti-shake camera module, camera anti-shake system and method and mobile terminal
PendingCN111935387AAchieve lossless anti-shake functionDoes not increase in lengthTelevision system detailsColor television detailsCamera moduleMechanical engineering
The invention discloses an anti-shake camera module, a camera anti-shake system, a camera anti-shake method and a mobile terminal. The anti-shake camera module comprises a camera module body, an anti-shake circuit board and a bottom board circuit board, wherein two or four first driving pieces are arranged on the bottom plate circuit board, when the number of the first driving pieces is two, the two first driving pieces are perpendicular to each other, and when the number of the first driving pieces is four, the four first driving pieces are distributed in a rectangular shape; the anti-shake circuit board is located right above the bottom board circuit board, and the anti-shake circuit board or the module circuit board is connected with the bottom board circuit board through a connecting column; and the anti-shake circuit board is provided with second driving pieces corresponding to the first driving pieces in number and arrangement mode. The first driving piece is a driving magnet ora coil, and when the first driving piece is the driving magnet, the second driving piece is the coil; and when the first driving piece is a coil, and the second driving piece is a driving magnet. Theanti-shake camera module, the camera anti-shake system, the camera anti-shake method and the mobile terminal have a photographing anti-shake function.
Owner:重庆市天实精工科技有限公司
Micro-fluidic chip
InactiveCN104069905AReduce self inductanceDoes not increase in lengthLaboratory glasswaresMaterial analysisMicrometerEngineering
The invention discloses a micro-fluidic chip. The micro-fluidic chip comprises a matrix, a solenoid coil, a solenoid coil lead and a glass slide, wherein an L-shaped flowing pass is arranged inside the matrix; a flowing pass inlet is formed in the left side of the flowing pass; a flowing pass outlet is formed in the right side of the flowing pass; the central section of the flowing pass is a signal detecting area; the solenoid coil is twined at the central part of the signal detecting area, adopts a twin coil structure and adopts a double strand enameled wire for twining; the two coils are the same in the twining direction and in the current direction and twined in a parallel manner; one end of the solenoid coil lead is connected with the solenoid coil and the other end of the solenoid coil lead is led out of the matrix. According to the invention, a twin coil solenoid sensor solves the problem that the conventional unicoil sensors are unstable in electrical property and is easily disturbed by environment; when the self-inductance of the two coils can be greatly reduced through mutual inductance; the micro-fluidic chip is very good in detectability and detecting accuracy for smaller particles and ferromagnetic particles smaller than 10 micrometers can be detected; in addition, the length of a detecting coil doesn't need to be increased, and the possibility that particles to be detected enter the detecting area can be greatly lowered.
Owner:DALIAN MARITIME UNIVERSITY
Clothes airing machine positioning winding device
PendingCN107244628ADoes not increase in lengthGood synchronizationOther drying apparatusWinding mechanismsEngineeringMechanical engineering
The invention discloses a clothes airing machine positioning winding device and belongs to electric clothes airing machines. An existing electric clothes airing machine winding mechanism is complex in structure, the axial size is large, and the structure risk that two separably-assembled winding wheels cannot synchronously act exists. Two steel wire ropes are wound around the same cylindrical winding wheel in the same direction, then the cylindrical winding wheel is arranged on a tubular motor in a sleeving manner to be driven, an inner thread section is arranged on the inner wall of the cylindrical winding wheel and is matched with a thread sleeve located on the inner side of the cylindrical winding wheel so that the cylindrical winding wheel can axially move while rotating, and positioning winding of the two steel wire ropes is achieved; and the two steel wire ropes are wound around the cylindrical winding wheel in the same direction, the inner thread section is arranged on the inner wall of the cylindrical winding wheel, and the length of the cylindrical winding wheel cannot be increased. Compared with the prior art, few components are adopted in the clothes airing machine positioning winding device, and the structure is simple; the axial size is large; and the action reliability is good, and synchronism of the two steel wire ropes is good.
Owner:AUPU HOME STYLE CORP LTD
Brewing core of coffee machine
The invention discloses a brewing core of a coffee machine. The brewing core comprises a support, a top head, a brewing device, a water inlet pipe and a ball screw rod pair; the ball screw rod pair isinstalled on the support, the brewing device is provided with a brewing cavity with an opening facing the top head, a powder falling opening is disposed nearby the opening of the brewing device, a movable filter plate is arranged in the brewing cavity, the water inlet pipe is fixed to the brewing device, and the top head is internally provided with a liquid outlet pipeline; and the brewing deviceis fixed on the support, and the top head is fixed on a sliding part of the ball screw rod pair. By adopting the brewing core of the coffee machine, the water leakage on the junction of the water inlet pipe and the brewing device can be effectively avoided.
Owner:宁波卜合电器有限公司
Air bleeder for ramjet
The invention belongs to the technical field of engines and particularly relate to an air bleeder for a ramjet. The air bleeder is of an annular structure. An air discharge port is formed in the outer circumferential surface of the air bleeder. The diameter of the outer circle of the air bleeder is equal to the diameter of the outer circle of the ramjet. The rear end of the air bleeder is fixedly connected with a booster. The front end of the air bleeder is connected with the tail portion of the ramjet. The air bleeder is simple in structural design and easy to obtain; through the structural design of the air bleeder, the pressure of a channel in the ramjet is effectively lowered in the operation process of the booster, so that the structure load is relieved, and the weight of the ramjet is reduced; the air bleeder and the booster structure can be formed in an integrated mode, so that a connecting structure is omitted, and the reliability is improved; in addition, after the operation process of the booster is ended, the air bleeder is separated from the booster, and therefore the extra weight of the ramjet is not increased.
Owner:BEIJING POWER MACHINERY INST
Method and system for acquiring network element information
InactiveCN102378359BAvoid redundancyDoes not increase in lengthTransmissionNetwork data managementMessage lengthNetwork management
Owner:ZTE CORP
Tar storage type RDTA (rebuildable dripping tank atomizer) electronic atomizer
The invention discloses a tar storage type RDTA electronic atomizer. The tar storage type RDTA electronic atomizer includes a suction nozzle, a housing, an electrical connection member and an atomizer body; the upper end of the housing is fixedly connected to the suction nozzle to form an atomization cavity; the lower end of the housing sleeves the upper end of the atomizer body; the atomizer body includes a heating member support of a tubular column structure, a heating member fixed on the bottom of the heating member support, a tar guide disc fixed on the lower end of the heating member support, an upper base sleeving the tar guide disc, a tobacco tar cabin pipe and a lower base; the upper end of the tobacco tar cabin pipe and an end surface of the upper base form a seal connection, and the lower end of the tobacco tar cabin pipe and an end surface of the lower base form a seal connection; an electrode tube is arranged at the central position of the bottom surface of the lower base; the electrical connection member is arranged in the electrode tube in an electrical insulation manner and is electrically connected to a pin of the heating member; and the other pin of the heating member is electrically connected to a heating member support. The advantages of the oil storage type RDTA electronic atomizer are that the oil guide disc is spread on the lower surface of the heating member, thus the oil supplying amount of all parts of the oil guide disc is even and sufficient, and the even atomization of the heating member can be achieved.
Owner:SHENZHEN HANGSEN STAR TECH +2
Directional coupler and beam splitter thereof
PendingCN113009621AMeet the needs of useEasy to achieve precise adjustmentOptical waveguide light guideBeam splitterEngineering
The invention discloses a directional coupler and a beam splitter thereof. The directional coupler comprises a first phase shifting arm formed by sequentially connecting a first bent waveguide, a first straight waveguide, a second bent waveguide, a second straight waveguide and a third bent waveguide, and a second phase shifting arm formed by sequentially connecting a fourth bent waveguide, a fifth bent waveguide and a sixth bent waveguide, wherein the first bent waveguide and the sixth bent waveguide are in central symmetry, the second bent waveguide and the fifth bent waveguide are in central symmetry, the third bent waveguide and the fourth bent waveguide are in central symmetry, and the first straight waveguide and the second straight waveguide are parallel and equal in length. The first straight waveguide and the second straight waveguide are both perpendicular to the direction from a first coupling waveguide area to a second coupling waveguide area. In the embodiment of the invention, the length of the device can be reduced under the condition of keeping a relatively large bandwidth, and the phase precision is ensured.
Owner:ZHONGXING PHOTONICS TECH CO LTD
High-order backward-wave oscillation suppression structure for strip-shaped beam traveling-wave tube
ActiveCN112216579ASmall distortionNot easy to vibrateTransit-tube circuit elementsCoupling (electronics)Wave structure
The invention discloses a high-order backward wave oscillation suppression structure for a strip beam traveling wave tube, and belongs to the technical field of microwave electronics and terahertz. The structure comprises a shell and rectangular gates arranged on the upper top face and the lower bottom face of an inner cavity of the shell in a staggered mode, the two side faces of the shell are each provided with a column of rectangular coupling waveguides which are the same in size and arranged periodically, and the two columns of rectangular coupling waveguides are staggered by half a slow wave period in the axis direction and are also designed in a staggered mode in the longitudinal direction. And one rectangular coupling waveguide corresponds to one rectangular cavity. By loading the staggered rectangular coupling waveguides on the two sides of the slow-wave structure, suppression and absorption of a high-order mode are synchronously realized on the premise of not influencing and not damaging a working mode.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Mobile terminal
ActiveCN102480856ADoes not increase in lengthDoes not increase thicknessStatic indicating devicesTelephone set constructionsLiquid-crystal displayComputer terminal
The invention provides a mobile terminal, which comprises a main board, a liquid crystal display (LCD) body and an LCD controller. The main board is provided with a first surface and a second surface, the second surface is provided with a groove mounting area, the LCD body is mounted on the first surface of the main board, the LCD controller comprises a control part and a bendable connecting part connected with the control part, the control part is held in the groove mounting area of the second surface and connected with the main board, and the connecting part is connected with the LCD body. The groove mounting area is formed on the back side (namely the second surface) of the main board and the control part of the LCD controller can be held in the groove mounting area, so that the length and the thickness of the mobile terminal cannot be increased, and the structural design of the integral mobile can meet the requirement of appearance more easily.
Owner:BYD CO LTD
Box assembly, automatic gearbox and automobile
InactiveCN104033582ADoes not increase in lengthSave spaceGearboxesGearing detailsEngineeringMechanical engineering
The invention provides a box assembly, an automatic gearbox and an automobile. The box assembly comprises a box body and a box cover; at least two axial grooves are formed in the circumferential direction on the end portion of the box body; a through hole which penetrates through the thickness of the box body is formed between the two axial groove; at least two tooth-shaped projections are formed in the circumferential direction of the box cover edge; a boss which protrudes the box cover surface is arranged between the two tooth-shaped projections; the axial grooves are matched with the tooth-shaped projections; the through hole is matched with the boss. According to the technical scheme, the axial grooves and the tooth-shaped projections are formed due to machining based on original structures of the box body and the box cover and the axial length of the axial grooves and the tooth-shaped projections does not increase, so that 3 to 4 mm space in the axial direction of the box body and the box cover is saved, which is meaningful to shrink of the axial size of small products.
Owner:INNER MONGOLIA OED ENGINE +1
Meter reading method of broadband carrier network
PendingCN114745613AAvoid Overhead Level IssuesDoes not increase in lengthUtility meters data arrangementsHigh level techniquesComputer networkTelecommunications
The invention discloses a meter reading method of a broadband carrier network. The method comprises the following steps: a CCO determines the time required for completing one downlink message transmission between the CCO and each target node and the time required for completing one uplink meter reading message transmission between each target node and the CCO; the CCO divides the superframe time slot structure and notifies the whole network; one superframe comprises a beacon time slot region, a TDMA time slot region and a CSMA time slot region, and the TDMA time slot region comprises a CCO time slot region allocated to the CCO and a target node time slot region allocated to each target node; the CCO sends a downlink meter reading message in the CCO time slot area allocated to the CCO in the TDMA time slot area; each target node sends an uplink meter reading message in the target node time slot area allocated to the target node; and the nodes still having meter reading service related message sending requirements compete for sending signals in the CSMA time slot area according to the CSMA channel access mode. According to the invention, the meter reading message transmission performance of the broadband carrier network is improved.
Owner:ZHUHAI ZHONGHUI MICROELECTRONICS
Spatial filtering system
InactiveCN102236174BDoes not increase in lengthReduce volumeOptical elementsOptoelectronicsEnergy loss
Owner:BEIJING GK LASER TECH
Silicon-on-insulator lateral N-type insulated gate bipolar transistor
ActiveCN105097903AAvoid lateral spreadDoes not increase in lengthSemiconductor devicesHigh concentrationParasitic bipolar transistor
The invention discloses a silicon-on-insulator lateral N-type insulated gate bipolar transistor, which comprises a P-type doped semiconductor substrate, wherein the P-type doped semiconductor substrate is provided with a buried oxide layer on which an N-type drift region is arranged. The N-type drift region is internally provided with an N-type doped semiconductor region with a relatively high concentration. The N-type doped semiconductor region with the relatively high concentration is arranged below a beak region at the right end of a field oxide layer and surrounds the whole beak region, wherein the concentration of the N-type doped semiconductor region is higher than the concentration of the N-type drift region. Meanwhile, an anode contact area of the silicon-on-insulator lateral N-type insulated gate bipolar transistor is formed through alternatively arranging P-type doped areas and N-type doped areas in the width direction of the silicon-on-insulator lateral N-type insulated gate bipolar transistor. In addition, the field oxide layer of the silicon-on-insulator lateral insulated gate bipolar transistor belongs to a second-order field oxide layer. A field plate which is formed through extension of a gate electrode to the part above the field oxide layer is also a second-order field plate. The silicon-on-insulator lateral N-type insulated gate bipolar transistor can effectively improve the lateral voltage resistance level.
Owner:SUZHOU POWERON IC DESIGN
Biochemical Analyzer Rail Conveyor System
ActiveCN106771282BDoes not increase in lengthImprove buffering effectMaterial analysisBiochemical engineeringButt joint
Owner:宁波美康盛德生物科技有限公司
Railway wagon and underframe assembly thereof
The invention discloses a railway wagon and an underframe assembly thereof. The underframe assembly comprises a supporting beam assembly, coupler mounting structures, and end part cuffs. The coupler mounting structures arranged on two ends of the supporting beam assembly and are used for being connected with the adjacent underframe assembly through the couplers. Each of the end part cuffs is fixedly connected with the supporting beam assembly, and is disposed on one side of each of the coupler mounting structures far away from the supporting beam assembly, the end part cuffs are provided withavoiding ports used for the coupler mounting structures, and the end part cuffs are provided with accommodation grooves capable of accommodating the couplers. The underframe assembly is provided withthe supporting beam assembly, so that the bearing capacity and the loading capacity are obviously improved; meanwhile, the combination of the end sleeve opening with the supporting beam assembly is adopted, the couplers can be installed in the accommodating groove of the end part cuffs, the length of the underframe cannot be increased, the increase of the length of the underframe assembly is effectively prevented, transmission efficiency of longitudinal force is obviously improved, and the couplers are guaranteed to be provided with reasonable installation space.
Owner:CRRC YANGTZE CO LTD
A socket and connector assembly
ActiveCN105242356BCompact structureDoes not increase in lengthCoupling light guidesMechanical engineering
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD
Exhaust gas after-treatment arrangement and method for operating such an arrangement
InactiveCN108368759AImprove dynamic performanceImprove responsivenessInternal combustion piston enginesExhaust apparatusAfter treatmentHoneycomb
Owner:CONTINENTAL AUTOMOTIVE GMBH
An integrated mechanism for shifting and parking of an automatic transmission
ActiveCN110486464BSave spaceIncrease profitControlled membersGearing controlAutomatic transmissionControl engineering
Owner:HEBEI UNIV OF TECH
Silicon-on-insulator lateral n-type insulated gate bipolar transistor
ActiveCN105097903BAvoid lateral spreadDoes not increase in lengthSemiconductor devicesPhysical chemistryEngineering
The invention discloses a silicon-on-insulator lateral N-type insulated gate bipolar transistor, comprising: a P-type doped semiconductor substrate, a buried oxide layer is arranged on the P-type doped semiconductor substrate, and an oxide layer is arranged on the oxide layer. The N-type drift region is provided with a higher concentration N-type doped semiconductor region in the N-type drift region. This higher concentration N-type doped semiconductor region is located under the second bird's beak region at the right end of the field oxide layer and surrounds the entire The concentration of the bird's beak region is higher than that of the N-type drift region. At the same time, the anode contact region of the device is formed by alternating arrangement of P-type doped regions and N-type doped regions in the width direction of the device. Moreover, the field oxide layer of the silicon-on-insulator lateral insulated gate bipolar transistor belongs to a two-layer stepped field oxide layer, and the field plate formed by extending the gate to the top of the field oxide layer is also a second-order field plate, which can effectively improve the performance of the device. Horizontal withstand voltage level.
Owner:SUZHOU POWERON IC DESIGN
Sewer structure
The invention discloses a sewer structure. The sewer structure comprises a sewer main body buried underground and a sewer cover plate arranged at the top of the sewer main body; the top of the side wall of the sewer main body is higher than the ground on two sides of the sewer main body; a rain aqueduct is formed in the sewer cover plate and communicated with the ground on two sides of the sewer main body; the inner bottom surface of the rain aqueduct and the ground on two sides of the sewer main body are positioned on the same plane; and a groove corresponding to the rain aqueduct is formed in the top of the side wall of the sewer main body. The sewer structure is simple in structure and reasonable in design, rain aqueducts are formed in the sewer every certain distance, and the interval between two adjacent rain aqueducts is preferably 20m so that rain in the field can flow smoothly, and field waterlogging cannot be caused due to large-scale application of the sewer, and the problem of re-designing the route planning of sewers can be avoided.
Owner:税显治
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