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46results about How to "Small size design" patented technology
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Clutch device
InactiveCN103140696ASmall size designCompact structureRoad transportFluid actuated clutchesSpring forceCentrifugal force
A clutch device for a drive train with a drive unit and a transmission arranged downstream has at least one, preferably two multi-plate clutches (k1,k2) which each have an input-side and an output-side plate carrier (701,708) and plates (11,12) alternating in the axial direction. In addition, a restoring spring (713,710) is provided for each multi-plate clutch, for automatically opening the multi-plate clutch, and a tension pot (31) is provided for dissipating the forces which occur when the multi-plate clutch is actuated. The clutch device has a securing ring (722) for axially securing one of the plate carriers relative to the tension pot (31). According to the invention, in an installation position, after the plate carrier which is to be secured has moved relative to the tension pot (31) counter to the spring force of the restoring spring (713,710), the securing ring (722) can be inserted radially from the outside into a retaining groove (720), wherein, in a use position, the securing ring is arranged in a pocket (724) which forms a radially outer stop. As a result, the pocket (724), which is expandable with difficulty under the influence of centrifugal force, can provide a radial stop for the securing ring, which is easily expandable under the influence of centrifugal force, thus permitting a secure fastening of components even when there is little construction space.
Owner:SCHAEFFLER TECH AG & CO KG
Polarization switching surface based on sub-wavelength harmonic structure
The invention discloses a polarization switching surface based on a sub-wavelength harmonic structure. The polarization switching surface is mainly obtained in a mode that a sub-wavelength harmonic unit is subjected to a horizontal cycle array and a longitudinal cycle array, the sub-wavelength harmonic unit is of a square structure and comprises a top-layer metal copper sheet, an upper medium plate, a middle grounded metal copper sheet, a lower medium plate and a bottom-layer metal copper sheet, and the middle grounded metal copper sheet is located between the upper medium plate and the lower medium plate; penetrating through holes are formed in the five layers of materials of the sub-wavelength harmonic unit, the top-layer metal copper sheet and the bottom-layer metal copper sheet are oppositely arranged, and the polarization rotation directions of the top-layer metal copper sheet and the bottom-layer metal copper sheet are contrary to each other. The polarization switching surface is low in cost, simple in structure, thin, light, good in conversion performance and capable of flexibly controlling the polarization state of electromagnetic waves and conducting selective electromagnetic wave transmittance and reflectance and is widely applied to the fields of imaging, antennas, communication systems, electromagnetic confrontation and governance, military invisibility and the like.
Owner:ZHEJIANG UNIV
High efficient microwave energy receiving board formed by secondary wavelength resonance structural units
InactiveCN102394514ASimple designLight in massElectromagnetic wave systemCircuit arrangementsRight triangleMicrowave
The invention discloses a high efficient microwave energy receiving board formed by secondary wavelength resonance structural units. Each of the unit is in a square structure. A layer of square sheet copper is plated in the middle of a Rogers circuit board of an intermediate layer; the sheet copper is formed by two right-angle isosceles triangles. Two sides of a slit between the two right-angle isosceles triangles are respectively connected with two input interfaces of a high frequency rectification chip and are used as input terminals of a high frequency rectification circuit; and four sides of the square sheet copper are respectively connected with their own long-strip sheet coppers respectively through strip-shaped sheet coppers. A layer of sheet base plate is fully plated under the circuit board of the intermediate layer; two crossed annular openings are opened in the middle of the sheet base plate; two small sheet coppers in the middle of the two annular openings pass through through holes of the circuit board and are respectively connected with two output terminals of the high frequency rectification chip; and a high frequency filtering capacitor is in parallel connection between the two sheet coppers. According to the invention, super high efficient receiving and conversion of microwave energy can be realized; the costs are low and the structure is simple; and efficiencies of receiving and conversion of energy are high; and therefore, the high efficient microwave energy receiving board can be widely applied to microwave energy transmission of various frequency ranges as well as research and development and application fields of receiving equipment.
Owner:ZHEJIANG UNIV
Female terminal and chain terminal thereof
InactiveUS7785159B2Movement can be suppressedPrevent movementEngagement/disengagement of coupling partsContact member manufacturingMetal sheetEngineering
A female terminal, includes: a tubular portion which is formed by bending a metal sheet into a tubular shape; a peripheral wall which has a trapezoidal cross section having a pair of opposed shorter and longer sides to form a space extending in an axial direction of the female terminal inside the tubular portion; and a spring portion for pressing a male terminal inserted in the space, in a direction toward the shorter side of the peripheral wall. A maximum width of the male terminal is longer than the shorter side and is shorter than the longer side.
Owner:YAZAKI CORP
Miniaturized ultrahigh frequency antenna based on split-ring resonator loading
InactiveCN110534878ASmall size designMeet miniaturization applicationsSimultaneous aerial operationsRadiating elements structural formsPhase differenceMiniaturization
The invention discloses a miniaturized ultrahigh frequency antenna based on split-ring resonator loading, which comprises an upper-layer substrate, a lower-layer substrate, three antenna units, at least three vertical substrates, split-ring resonators, a metal floor plate, a feed network and three feed probes, wherein the three antenna units are rotationally and symmetrically arranged between theupper-layer substrate and the lower-layer substrate; the at least three vertical substrates are rotationally, symmetrically and vertically arranged between the upper-layer substrate and the lower-layer substrate; the split-ring resonators are printed on the maximum surfaces of the vertical substrates respectively, and the split-ring resonators on the adjacent vertical substrates are electrically connected; the metal floor plate is printed on the upper surface of the lower-layer substrate; the feed network is printed on the lower surface of the lower-layer substrate and is used for receiving the ultrahigh-frequency signals and generating three paths of sequence feed signals with the same amplitude and the phase difference of 120 degrees in sequence; and the three feed probes are arranged between the upper-layer substrate and the lower-layer substrate and are used for respectively feeding the three paths of sequence feed signals to the three antenna units. The antenna has the advantagesof being small in size, low in cost, convenient to assemble and the like, and miniaturization, good electrical characteristics and dual-band application in the field of satellite communication can bemet.
Owner:SOUTH CHINA UNIV OF TECH
Miniature narrow gage single switch
The invention relates to micro type narrow rail single turned track switch, which comprises a straight basic rail and a curved basic rail; one side of the straight basic rail is disposed with a tongue rail which is connected with an outer curved rail through the curved connecting rail and the frog; the straight basic rail is disposed with a straight guard rail which is fixed on a two-hole backing plate; one side of the curved basic rail is disposed with a tongue rail which is connected with an outer straight rail through the straight connecting rail and the frog; the curved basic rail is disposed with a curved guard rail which is fixed on a two-hole backing plate; the two tongue rails are connected by a connecting rod; the connection points of the two tongue rails with the straight connection rail and the curved connection rail are connected with straight basic rail and the curved basic rail respectively through an interval iron; and the interval iron is fixed on a stepping backing plate. The beneficial effect of the invention is that: it is especially suitable for small inclined tunnels in the mining area in mine narrow rail transportation system or other narrow occasion with limited space in mounting place.
Owner:孙晋欣
Microwave energy receiving plate
InactiveCN105071555ASimple designLight in massElectromagnetic wave systemSpace environmentThermodynamics
The invention provides a microwave energy receiving plate. The microwave energy receiving plate includes sub-wavelength resonant structure units of square structures; each sub-wavelength resonant structure unit comprises a sub-wavelength resonant structure and a high-frequency rectification circuit connected with the sub-wavelength resonant structure; the sub-wavelength resonant structure includes a top-layer metal layer, an insulating supporting stratum layer and a grounding metal layer; the top-layer metal layer is of a square structure; an elongated gap which extends towards the center of the top-layer metal layer is formed at the middle position of each side of the square structure of the top-layer metal layer respectively, so that altogether four elongated gaps are provided; the widths of the four elongated gaps are equal; every two opposite elongated gaps of which the lengths are equal form one group of elongated gaps; and the length of one group of elongated gaps is larger than the length of the other group of elongated gaps. With the microwave energy receiving plate adopted, perfect matching between a space environment and the rectification circuits can be realized. The structures of the plurality of units are compact, so that the microwave energy receiving plate can be equivalent to a perfect homogeneous-medium energy receiving plate, and the overall receiving efficiency of the microwave energy receiving plate is more than 90%.
Owner:ZIGONG INNOVATION CENT OF ZHEJIANG UNIV
Measurement method for spatial six-dimensional force
ActiveCN107356361ARelieve pressureSmall size designMeasurement of force componentsInstabilityElectricity
The invention discloses a measurement method for a spatial six-dimensional force, and the method is used for measuring the spatial six-dimensional force of an aircraft model, and employs a mode of combining a double-tail support and bracing wires. The method comprises the steps: considering the model to be fixed in an actual measurement process, building a mathematic model of a six-dimensional force withstood by the model in a space according to the principle of static equilibrium, measuring the component of an acting force withstood by the model through a three-directional pressure sensor installed at a tail supporting rod and a unidirectional force piezoelectric sensor connected with an upper bracing wire and a lower bracing wire, and achieving the measurement of the six-dimensional force withstood by the model through solving the built mathematic model. According to the invention, the method has the advantages in that the bracing wires are small in supporting interference and a hard-type supporting system is good in stability, and overcomes the difficulties of big vibration and instability when a narrow, long and heavy module employs a single-tail supporting mode. After the bracing wire auxiliary supporting is added, the method improves the rigidness of a testing system, reducing the pressure on the rigidness design of a tail support, and reduces the size of the tail support.
Owner:DALIAN UNIV OF TECH
Driving device of hand strap on escalator or moving pavement
The invention discloses a driving device of a hand strap on an escalator or a moving pavement, comprising an axle rod, a friction wheel, a drive sprocket and a drive chain, wherein the axle rod is horizontally arranged on a truss of the escalator or the moving pavement; the friction wheel is sleeved at one end of the axle rod; the drive sprocket is sleeved at the other end of the axle rod; the drive chain is wound on the drive sprocket and is used for driving the drive sprocket to rotate; the hand strap goes around the friction wheel; the friction wheel is arranged inside the truss; and the drive sprocket and the drive chain are arranged outside the truss. Compared with the background art, the invention can narrow the width direction of the truss, realizes smaller size design and reduces the occupied sap space of the escalator or the moving pavement and cost.
Owner:SJEC CORP
Fully integrated multi-output stackable low-dropout regulator (LDO)
ActiveCN109725673AImprove dynamic performanceAchieving a fully integrated structureElectric variable regulationSystem integrationComputer module
The invention discloses a fully integrated multi-output stackable low-dropout regulator (LDO). The fully integrated multi-output stackable low-dropout regulator (LDO) comprises a main LDO and an auxiliary LDO<k>; k is 1,2...n; the main LDO is connected with an on-chip capacitor C<k> and a load Load<k> on an auxiliary LDO<k> circuit through an on-chip capacitor C<0> and a load Load<0> in series, sothat a stacked structure is formed; the main LDO is used for providing current required by the load; the auxiliary LDO<k> is used for stabilizing VOUT<k> voltage; and, when the load current is not same, a I<source> current flowing from VDD<k> to VOUT<k> through MP<k> or a I<sink> current flowing from VOUT<k> to GND through MN<k> is generated. According to the stacked structure in the invention, the output voltage value and the output voltage number can be flexibly adjusted according to load requirements; relatively flexible load requirements are satisfied; due to the three working modes of the auxiliary LDO<k>, voltage current fluctuation due to mismatching between loads can be rapidly adjusted; the dynamic performance of a power supply system is improved; due to the fully integrated structure, system integration is easily carried out; the cost is easily reduced; all output ends, particularly an output end near the GND, have good PSR characteristic; and thus, the LDO is suitable for amodule sensitive to a power supply.
Owner:XI AN JIAOTONG UNIV
Fan filter device of fan filter system and fan filter system
InactiveCN103656898AStay safeImprove robustnessBreathing masksFire rescueCommunication interfaceImpeller
Provided are a fan filter device of a fan filter system and the fan filter system. The invention relates to a fan filter device used for a fan filter system (20). The fan filter device comprises at least a filter (2), fan impellers (4) disposed in the fan housing (3), an engine (5) used to drive the fan impellers (3), and a control unit (6) used to control the engine (5) and process device special parameters of the fan filter device (1). The fan filter device (1) has a housing (13). The housing (13) is provided with a holding box (14) used for a communication interface module (7). The holding box (14) is provided with a contact portion (15) which connects the communication interface module (7) with the control unit (6) in a communication manner. the invention also relates to the fan filter system comprising the fan filter device (1).
Owner:DRAGER SAFETY
Novel proton exchange membrane fuel cell
ActiveCN109768298AImprove mass transfer efficiency and assembly performanceAvoid stress concentrationFuel cellsElectricityEngineering
The invention discloses a novel proton exchange membrane fuel cell. According to the proton exchange membrane fuel cell, a passage through which water, electricity and gas enter or exit from the cellis realized by designing a flow channel or a special convection zone in a diffusion layer, the phenomenon of 'bipolar plate removal' or 'bipolar plate flow channel removal' can be realized, the contact transmission resistance between the bipolar plates and the diffusion layer in the cell can be obviously reduced, and thus the PEMFC with high efficiency, low cost and long service life can be obtained.
Owner:CENT SOUTH UNIV
Safety device for a motor vehicle, having a rotary latch and a pre-latching position and a main latching position
ActiveCN108474227AResistance to pawl torque actionReduce weightPower-actuated vehicle locksEngineeringMechanical engineering
Owner:KIEKERT AG
Clothing treatment equipment
PendingCN110409111ASmall sizeEasy dischargeOther washing machinesWashing machine with receptaclesPulp and paper industryClosed state
The invention discloses clothing treatment equipment. The clothing treatment equipment comprises a rotating barrel, a drainage hole and a plugging mechanism, wherein the rotating barrel can rotate inthe axial direction of the equipment, the drainage hole is formed in the lowest position of the bottom of the rotating barrel and the plugging mechanism is arranged at the lowest position to open or close the drainage hole, and the plugging mechanism covers the drainage hole and can rotate along with the rotating barrel when in a closed state. According to the clothing treatment equipment, a structure equivalent to an outer barrel is omitted, all washing water is contained in the rotating barrel, and the consumption of washing water is reduced. In addition, the problem of how to discharge water from the rotating barrel in the washing / dewatering process is effectively solved.
Owner:QINGDAO HAIER WASHING MASCH CO LTD
Female terminal and chain terminal thereof
InactiveUS20090247001A1Movement can be suppressedPrevent movementEngagement/disengagement of coupling partsContact member manufacturingMetal sheetEngineering
A female terminal, includes: a tubular portion which is formed by bending a metal sheet into a tubular shape; a peripheral wall which has a trapezoidal cross section having a pair of opposed shorter and longer sides to form a space extending in an axial direction of the female terminal inside the tubular portion; and a spring portion for pressing a male terminal inserted in the space, in a direction toward the shorter side of the peripheral wall. A maximum width of the male terminal is longer than the shorter side and is shorter than the longer side.
Owner:YAZAKI CORP
Method for decomposing fiber material
ActiveCN103510415ADecomposition is reliableDecomposition and energy savingPaper recyclingRaw material divisionFiberMaterials science
The invention relates to a method for decomposing a fiber material (9), and especially a method for decomposing waste paper. The fiber material (9) is transferred to a material decomposer (1) and is at least decomposed partly by mixing of a revolving member (3) and water (25). According to the method, after the material decomposer (1), at least a part (20,21,23) of the pre-decomposed fiber material (9) is transferred to a concentrator (30) used for concentration and a decomposition roller (12) used for further decomposition.
Owner:ANDRITZ AG
Automatic dish output machine
InactiveCN110104425AReduce pollutionRealize the automation of disk outputConveyor partsOptical axisEngineering
The invention discloses an automatic dish output machine. The automatic dish output machine comprises dishes, a rack, a clamping mechanism and a transverse moving mechanism. The clamping mechanism andthe transverse moving mechanism are mounted on the rack. The dishes are located underneath, and the clamping mechanism is located above. The clamping mechanism comprises two lifting driving assemblies capable of moving up and down, clamping jaws and a telescopic assembly capable of driving the lifting driving assembly to close or open. The two lifting driving assemblies are arranged oppositely. Each lifting driving assembly comprises a mounting part and a lifting part connected with the mounting part. The clamping jaws are fixed to the lifting parts. The transverse moving mechanism comprisesmovable optical shafts, transverse movement driving assemblies, guide components and guide plates. The transverse movement driving assemblies drive the movable optical shafts to move. The mounting parts move along the movable optical shafts. The guide plates are located between the two lifting driving assemblies. The guide components are mounted on the corresponding mounting parts and move along the paths of the guide plates to enable the dishes to fall downwards. The automatic dish output machine clamps the edge of each dish through the clamping jaws to feed the dish to a dish outlet withouttouching a dish service area. and pollution to the dish service area is reduced.
Owner:SHANDONG IND TECH RES INST OF ZHEJIANG UNIV +1
Safety device for a motor vehicle having a rotary latch and a protective position
ActiveCN108495972AResistance to pawl torque actionReduce weightPedestrian/occupant safety arrangementAccident situation locksMechanical engineeringElectrical and Electronics engineering
Owner:KIEKERT AG
proton exchange membrane fuel cell
ActiveCN109768298BReduce contact transmission resistanceIncrease frictionFuel cellsElectrical batteryEngineering
The invention discloses a new type of proton exchange membrane fuel cell. The proton exchange membrane fuel cell can achieve "de-bipolar plate" or "Bipolar plate de-channeling" significantly reduces the contact transmission resistance between the bipolar plate and the diffusion layer in the battery, thereby obtaining a high-efficiency, low-cost, and long-life PEMFC.
Owner:CENT SOUTH UNIV
Production of flash memory
InactiveCN1941330ASmall size designHighly integratedSemiconductor/solid-state device manufacturingBasementElectrical conductor
A production method using for flash memory offers basement with location and peripheral circuit. The basement has designed dielectric layer and the first conductor layer and uses picture of the said dielectric layer and the first conductor layer to form some insulation structure of component inside the basement. Form dielectric layer of bars and thin polycrystalline silicon layer on basement in turn and remove the thin polycrystalline silicon layer and dielectric layer of bars of the peripheral circuit. After forming the second dielectric layer and mask on basement, design each of layer and form location inside the location area and grid structure inside the peripheral circuit. Form electric pin connecting with the second conductor layer on grid structure. For the dielectric layer of bars to peripheral circuit having been removed, the electric pin formed on the peripheral circuit saves technology and enhances margin of technology.
Owner:POWERCHIP SEMICON CORP
Support element for absorbing forces in a vehicle
InactiveCN106043443ASmall size designSave spacePedestrian/occupant safety arrangementUnderstructuresEngineeringStructural unit
The present invention relates to a support structure for absorbing forces in a vehicle, comprising a support element 12, which encloses a hollow space 62 and comprises a number of openings 20, which is delimited by one or more boundary faces 22, a receiving body 32 for an assembly unit 34, which is inserted in one of the openings 20 so that the receiving body 32 at least partially projects into the hollow space 62, wherein the receiving body 32 comprises a wall 38 which at least in portions runs corresponding to the boundary faces 22 and with which the receiving body 32 makes contact with the boundary faces 22 of the support element 12. In addition, the invention relates to a corresponding receiving body, to a vehicle, which is equipped with such a support structure and to a method for assembling this support structure.
Owner:GM GLOBAL TECH OPERATIONS LLC
Method for breaking down fibrous material
ActiveCN103510415BSmall size designGuaranteed uptimePaper recyclingRaw material divisionFiberMaterials science
The invention relates to a method for decomposing a fiber material (9), and especially a method for decomposing waste paper. The fiber material (9) is transferred to a material decomposer (1) and is at least decomposed partly by mixing of a revolving member (3) and water (25). According to the method, after the material decomposer (1), at least a part (20,21,23) of the pre-decomposed fiber material (9) is transferred to a concentrator (30) used for concentration and a decomposition roller (12) used for further decomposition.
Owner:ANDRITZ AG
Wheel assembly, motor wheel assembly and scooter
Owner:张家港市亿顺电动科技有限公司
A kind of automobile waste heat recovery evaporator
ActiveCN112627952BQuickly dissipate internal and external pressureImprove pressure resistanceInternal combustion piston enginesExhaust apparatusShock resistanceMechanics
The embodiment of the present invention discloses an automobile waste heat recovery evaporator, which includes a main casing, a heat exchanger, a bypass pipe and a bypass valve. There is an air inlet, an exhaust port is arranged at the air outlet, and a plurality of flat finned tubes are arranged inside the heat exchanger, and the flat finned tubes are arranged in a star-shaped radial structure from the center of the main shell to the surrounding direction, bypassing The tube is arranged in the middle of the heat exchanger, and a bypass valve is set to control the bypass pipeline and the heat exchanger pipeline respectively. The invention utilizes the evaporator whose main shell is cylindrical, adopts flat finned tube heat exchange tubes, and arranges them in a star-shaped structure, so that the heat exchange is more uniform, the heat exchange efficiency is higher, and the pressure resistance is better. The structure has higher strength, and a bypass channel and a bypass valve are installed at the same time. It has a compact structure, small volume, small piezoresistance on the hot side, better shock resistance, pressure resistance and safety, that is, it can meet the basic heat exchange and evaporation functions. In addition, it also has good shock resistance and sealing performance.
Owner:BEIJING U BRIDGE CHAOYANG
Electric drive unit, hybrid module, and drive assembly for motor vehicle
PendingCN113994568AImprove efficiencySmall size designHybrid vehiclesMagnetic circuit rotating partsRotational axisElectric drive
The invention relates to an electric drive unit, in particular as part of a hybrid module or a hybrid transmission, to a hybrid module for a motor vehicle, in particular for a hybrid motor vehicle, and to a drive assembly for a motor vehicle. An electric drive unit (1), in particular as part of a hybrid module (2) or a hybrid transmission, comprises a driveshaft (20) and a first rotation machine (30), the rotor (31) of which is rotationally fixed to the driveshaft (20), wherein an axial flow channel (10) is formed in the rotor (31) at a distance to the driveshaft (20), at least one component of the length of said axial flow channel running parallel to the rotational axis (3) of the rotor (31) such that heat can be transferred to a fluid in the axial flow channel (10) during the operation of the first electric rotation machine (30). By using the electric drive unit according to the invention, the hybrid module equipped therewith, and a drive assembly which comprises the hybrid module, an optimal cooling function can be combined with an inexpensive design while maintaining a low installation space requirement.
Owner:SCHAEFFLER TECH AG & CO KG
A car interior part
ActiveCN111532211BEasy accessReduce in quantityPassenger spacePower-operated mechanismControl theoryIndustrial engineering
Owner:SHANGHAIK YANFENG JINQIAO AUTOMOTIVE TRIM SYSTEMS CO LTD
Single-plunger injection pump for pressure accumulating tube-fuel injection system
InactiveCN100420853CCompact structureSmall dead point volumeMotor parameterPump parameterCombustionEngineering
Owner:ROBERT BOSCH GMBH
Hybrid stacked filter chip and manufacturing process thereof
PendingCN114866065AHigh Q designMeet the requirements of different filter frequency bandsTelevision system detailsPiezoelectric/electrostriction/magnetostriction machinesEngineeringMechanical engineering
The invention is suitable for the technical field of MEMS chip manufacturing, and provides a hybrid stacked filter chip. The hybrid stacked filter chip comprises a substrate, an SAW resonance layer, a BAW resonance layer and a high-resistance sheet which are arranged in sequence. The BAW resonance layer is arranged between the substrate and the high-resistance sheet through supporting columns, a first cavity is formed between the BAW resonance layer and the substrate, and a second cavity is formed between the BAW resonance layer and the high-resistance sheet; the SAW resonance layer is arranged in the first cavity and is connected with the BAW resonance layer through a first wire. The substrate, the SAW resonance layer, the BAW resonance layer and the high-resistance sheet are longitudinally stacked to form a laminated module structure, so that requirements of different filtering frequency bands are met, and relatively high Q value design and smaller size design are achieved.
Owner:XWAVE TECH (SHANGHAI) CO LTD
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