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48results about How to "Improve grounding efficiency" patented technology
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Mold-casting structure and improvement method for grounding of the same
InactiveUS20060254042A1Improve grounding efficiencyConduct electricityMetal rolling stand detailsMetal working apparatusThree dimensional measurementElectrical and Electronics engineering
A mold-casting structure comprises at least one dishing and a plurality of micro-protrusions. The dishing(s) formed on the surface of a mold-casting body, the plurality of micro-protrusions sticking out of the surface of the dishing, and the tops of the micro-protrusions constitute on a plane, so that the grounding issue of the circuitry embedded in the mold-casting structure caused by the dishing can be resolved. The dishing can be verified by daubing paint and scrapping thereafter, the location of remaining paint is deemed the dishing. Moreover, a three-dimensional measurement instrument can be employed for more precise measurement. The micro-protrusions can be formed on the dishing by mechanical processing or electric discharge machining (EDM). Alternatively, a mold with a structure matching the micro-protrusions can be formed first, and consequently the micro-protrusions are formed directly by mold-filling, which is more suitable for mass production.
Owner:MICROELECTRONICS TECH INC
Aviation ground navigation system
InactiveUS20110015816A1Enhances aviation operationImprove efficiencyNavigational calculation instrumentsVehicle position/course/altitude controlAviationRadar
Transporting aircraft within an airport operational area. An airport operational area within which an unmanned ground vehicle is configured to selectively tow aircraft is defined. A ground tracking system provides position data signals to determine the position of the unmanned ground vehicle position relative to positions in at least one operational area path contained in the airport operational area. This positioning is supplemented by the position as determined from an electronic tracking system, such as a radar-based system. The unmanned ground vehicle is then selectively guided to engage and tow the aircraft to a selected position within the airport operational area.
Owner:MOUNTAINTOP TECH
Ground connector and method of mounting it
InactiveUS6875053B2Improve grounding efficiencyImprove placement efficiencyCouplings bases/casesCoupling parts mountingEngineeringGround plate
A joint connector (JC) has a ground terminal (50) mounted in a housing (30) so that a grounding plate (52) projects outside. The grounding plate (52) is fastened to a metal panel (80) by a nut (83) and bolt (87). A mount hole (85) of rectangular cross section is formed at a specified distance in a specified direction from the nut (83). A clip (70) is formed on the bottom of the housing (30) so that the positional relationship of the clip (70) and an insertion hole (53) of the grounding plate (52) corresponds to that of the mount hole (85) of the nut (83) of the metal panel (80). The housing (30) is mounted on the metal panel (80) by inserting the clip (70) into the mount hole (85). Thus, the insertion hole (53) of the grounding plate (52) is at a position aligned with the nut (83).
Owner:SUMITOMO WIRING SYST LTD
Shielded cable-grounding structure
InactiveUS20060128223A1Increase capacityMaintain connection qualityCable junctionsCable terminationsShielded cableElectric wire
In a structure for grounding a shielded cable, a braided wire is extended radially outwardly of core covering portions to form a flange portion, and an associated wire is connected to the flange portion by the use of sleeve members, thereby effecting the grounding.
Owner:YAZAKI CORP
Conducting concrete, manufacturing method thereof and application
ActiveCN106495607AEasy constructionExcellent grounding resistanceTowersFiberElectrical resistance and conductance
The invention belongs to the field of grounding systems, and particularly relates to conducting concrete, a manufacturing method thereof and an application. The concrete comprises, by weight, 6-9 parts of carbon fibers, 43-50 parts of steel fibers, 68-78 parts of graphite, 1.38-1.58 parts of dispersing agents, 10-15 parts of preservative and 5.2-6 parts of water reducing agents. The concrete solves the problems that grounding resistance value requirements are difficultly met by a common grounding method in partial areas, a common grounding system is high in construction difficulty due to topographical restrictions, construction difficulty is effectively reduced, grounding efficiency is improved, and operability is good.
Owner:GEZHOUBA GRP ELECTRIC POWER COMPANY
Cavity-down semiconductor package with heat spreader
InactiveUS20050087864A1Good substrate adhesionImprove substrate heat dissipation substrateSemiconductor/solid-state device detailsSolid-state devicesSemiconductor packageElectrical performance
A cavity-down semiconductor package mainly includes a heat spreader, a substrate, and a chip. The substrate has an outer surface, an inner surface opposing to the outer surface and an opening passing through the outer and inner surfaces. The inner surface is attached to the heat spreader to form a chip carrier with a chip cavity. The chip is located in the opening and electrically connected to the substrate. The substrate includes a metal cover layer over the inner surface. The metal cover layer can be bonded to the heat spreader to establish a thermal-coupling relationship to improve adhesion, heat conductibility and electrical performance between the substrate and the heat spreader.
Owner:ADVANCED SEMICON ENG INC
Shielded cable-grounding structure
InactiveUS7268298B2Improve grounding efficiencyImprove performanceCable junctionsCable terminationsShielded cableEngineering
Owner:YAZAKI CORP
Air balance hydraulic pumping unit for offshore platform
InactiveCN102182429AOvercoming unreasonable structural designImprove grounding efficiencyFluid removalHydraulic cylinderHydraulic pump
The invention discloses an air balance hydraulic pumping unit for an offshore platform. The air balance hydraulic pumping unit for an offshore platform comprises a rope hanger, a movable pulley, a flexible connection mechanism, a fixed pulley, an energy accumulator, a bracket, a composite step type hydraulic cylinder and a hydraulic pump system. A hydraulic cylinder is arranged in the inner space of a truss type rack; the lower end of a piston rod is connected with the movable pulley; and the energy accumulator is arranged at the top of the bracket. The pumping unit is of a simple structure and convenient to install, has more obvious energy-saving effect than a conventional energy-saving type pumping unit, and overcomes the shortcoming that the traditional pumping unit cannot meet the requirements of offshore oil production due to the large volume, large floor area and large weigh of the entire machine. The invention provides a novel oil production apparatus for later-stage development of an offshore oil field in China.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Automatic cabin section butt joint method
ActiveCN109367825AImprove grounding efficiencyIncrease productivityCosmonautic vehiclesCosmonautic component separationAutomatic test equipmentButt joint
The invention relates to an automatic cabin section butt joint method, and relates to the technical field of automatic equipment. A sensor is utilized for detecting the relative pose between two cabinsections, and after the butt joint condition is reached, butt joint is automatically conducted. Through the equipment, manual butt joint is allowed so as to cope with accidental situations or faults.By means of the equipment, the butt joint efficiency can be greatly improved, and the production efficiency is improved.
Owner:BEIJING INST OF SPECIALIZED MACHINERY
Oil pumping unit system with multiple sections of steam injection packer parts
ActiveCN110344787AImprove integrityImprove flow efficiencySurveyDrilling rodsTraction systemUnit system
The invention discloses an oil pumping unit system with multiple sections of steam injection packer parts. The oil pumping unit system comprises an oil pumping unit body, a steam injection thermal production oil pump and a packer assembly. The oil pumping unit body is connected with the steam injection thermal production oil pump through a traction system of the oil pumping unit body. The steam injection thermal production oil pump is connected with the packer assembly through a release sub. The packer assembly comprises the release sub, a first oil discharging pipe, a first side sealing spindle, a second oil discharging pipe, a second side sealing spindle, a third oil discharging pipe, a third side sealing spindle, a packer body, a one-way valve, a first spraying head, a second spraying head, a sealing ring, a fourth oil discharging pipe, a third side sealing spindle, a fifth oil discharging pipe, a fourth side sealing spindle, a third spraying head, a ventilation pipe, a cable inletguiding part and a side gas pipeline.
Owner:胜利方兰德石油装备股份有限公司
Cable grounding connection device for electrical distribution box
ActiveCN105846266ASimple and fast operationImprove securityCouplings bases/casesCable junctionsEngineeringElectrical and Electronics engineering
The invention discloses a cable grounding connection device for an electrical distribution box. The cable grounding connection device comprises a lead wire connection part, a grounding connection part and a corresponding protective shell, wherein the grounding connection part is connected with the lead wire connection part; a wire clamping space for clamping a cable grounding bare wire is arranged on the lead wire connection part; the surface for facilitating installation of a grounding wire is arranged on the grounding connection part; and the surface, for clamping the cable grounding bare wire, in the wire clamping space and the grounding connection part have conductivity; the lead wire connection part is used for clamping the cable grounding bare wire through the wire clamping space when used; and the grounding connection part is connected with the grounding wire, so that connection of a cable and the grounding wire is achieved; the cable grounding connection device is simple in structure, easy to process, simple and convenient to install and dismantle, good in safety and high in universality; and the grounding efficiency can be greatly improved.
Owner:GUANGZHOU PANYU CABLE WORKS
Floor type multi-rope oil extractor system
ActiveCN110593819AImprove efficiencyGood energy saving effectSurveyDrilling rodsTraction systemBlock and tackle
The invention discloses a floor type multi-rope oil extractor system. The system comprises an oil extractor main body, a gas injection thermal recovery oil extracting pump and a packer module; the oilextractor main body is connected with the gas injection thermal recovery oil extracting pump through a traction system thereof; the gas injection thermal recovery oil extracting pump is connected with the packer module through a hand-free joint; the oil extractor main body comprises a concrete foundation, a shifter guide rail, a rail clamper module, a control cabinet, a bracket, an adjustable balance counterweight, an upper platform, an upper guard combination, a power device, a brake, the traction system and an elevator; the traction system comprises a traction wheel, a steel wire rope, a movable pulley set and a steel wire rope joint; the steel rope is divided into an elevation steel wire rope and a balance steel wire rope; one end of the elevation steel wire rope is fixed on the traction wheel and bypassed through the traction wheel, and the other end is fixedly connected with the steel wire rope joint on the bracket through the elevator and the movable pulley on the elevator; andthe balance steel wire rope is opposite to the elevation steel wire rope, one end is fixed on the traction wheel and bypassed through the traction wheel, and the other end is fixedly connected with the steel wire rope joint on the bracket through the adjustable balance counterweight and the movable pulley on the adjustable balance counterweight.
Owner:胜利方兰德石油装备股份有限公司
Anti-unhooking high-voltage grounding wire device
ActiveCN112467405APromise not to leaveEnsure grounding safetyEngagement/disengagement of coupling partsClamped/spring connectionsElectrical conductorCopper wire
The invention relates to the field of high-voltage grounding, and discloses an anti-unhooking high-voltage grounding wire device which comprises an insulating rod, a conductor end wire clamp, an anti-unhooking assembly and a grounding end wire clamp. The conductor end wire clamp is arranged at the top of the insulating rod and is a U-shaped wire clamp with a lateral opening, the conductor end wireclamp drives the conductor end wire clamp to clamp a cable by manually rotating the insulating rod, and the anti-unhooking assembly is arranged at the opening of the conductor end wire clamp and enables the cable to enter from the upper half portion of the opening of the conductor end wire clamp and disengage from the lower half portion of the opening. And the grounding end wire clamp is connected with the conductor end wire clamp through a copper wire. According to the anti-unhooking high-voltage grounding wire device, the anti-unhooking assembly is arranged, so that the cable enters from the upper half portion of the opening of the conductor end wire clamp and falls off from the lower half portion, the clamped cable is located at the upper half portion of the conductor end wire clamp and cannot fall off, the cable can be effectively prevented from being separated from the conductor end, and the grounding efficiency is improved; and grounding safety is ensured.
Owner:STATE GRID ANHUI ULTRA HIGH VOLTAGE CO +1
Lightweight graphite resistance reduction module and preparation method thereof
PendingCN108155489AImprove conductivityStrong moisture absorption and moisturizing abilityLine/current collector detailsConnection contact member materialGlass fiberGraphite
The invention discloses a lightweight graphite resistance reduction module and a preparation method thereof. The lightweight graphite resistance reduction module is prepared form expanded graphite, glass fiber mesh cloth, graphite resistance reduction cloth and graphite woven belt material. The lightweight graphite resistance reduction module can be made into a block shape, a plate shape or a cylindrical shape and is high in plasticity and structural strength. The preparation method includes the processes of laying, fixing, pressing, coating and re-pressing. The lightweight graphite resistancereduction module has the advantages of being small in density, light in weight, high in strength, good in water absorption, excellent in electrical conductivity and the like.
Owner:XIXIAXIAN JINFANGYUAN SEALING MATERIAL
Display device
InactiveUS20110199725A1Less componentsLow costTelevision system detailsMachine supportsDisplay deviceEngineering
A display device is provided. The display device includes a front panel forming a front exterior of the display device and transmitting images therethrough, a back cover forming a rear exterior of the display device and comprising an edge portion making contact with a backside of the front panel, and a display module accommodated in a space formed by the front panel and the back cover.
Owner:LG ELECTRONICS INC
Method for synthesizing S-adenosylmethionine from DL-methionine by modifying saccharomyces cerevisiae based on CRISPR technology
InactiveCN112322512AImprove efficiencyLow costFungiStable introduction of DNAGene knockinMolecular biology
The invention discloses a method for synthesizing S-adenosylmethionine from DL-methionine by modifying saccharomyces cerevisiae based on a CRISPR technology and an application. Genome modification methods of gene knock-in, gene knock-out and Delta site integration based on a CRISPR / Cas9 technology are constructed in diploid industrial saccharomyces cerevisiae; and furthermore, by utilizing the methods, DAAO and L-PheDH expression cassettes are knocked into an HPA3 gene locus of the saccharomyces strain, DAAO and L-PheDH expression cassettes are knocked into an SAH1 gene locus, and an SAM2 geneexpression cassette is knocked into an SPE2 gene locus, so that the capability of synthesizing the S-adenosylmethionine from the DL-methionine by obtained engineering bacteria is remarkably improved.
Owner:ZHEJIANG UNIV
Card edge connector structure
ActiveUS10601160B2Improve grounding efficiencyLow costComputer periphery connectorsDigital processing power distributionStructural engineeringMechanical engineering
Owner:JESS-LINK PRODUCTS
Oil pumping unit at mouth of well
InactiveCN104295273AImprove transfer efficiencyReduce power transmission linksFluid removalElectricityThree phase asynchronous motor
The invention belongs to the technical field of mechanical equipment for oil extraction in oil fields, and particularly provides an oil pumping unit at the mouth of a well. The oil pumping unit comprises a pumping rod as well as a switch reluctance machine, a speed reducer, a rotary disk, an eccentric shaft and a motor control cabinet, wherein one end of the switch reluctance machine is electrically connected with the motor control cabinet, and the other end thereof is connected with the rotary disk through a universal driving shaft; the eccentric shaft is arranged on the rotary disk; the pumping rod is connected with the eccentric shaft. By utilizing the advantages of the switch reluctance machine, the oil pumping unit at the mouth of the well removes belt drive and reduces the power transmission link to improve the transmission efficiency, and eliminates insufficient power when a three-phase asynchronous motor is used as an oil pumping unit, so as to achieve the purposes of energy conservation and consumption reduction.
Owner:PETROCHINA CO LTD
Protective grounding box with stable closing
ActiveCN108063392AAvoid short circuit accidentsContact stabilityInformation technology support systemApparatus for overhead lines/cablesThree-phaseInfrared probe
The invention provides a protective grounding box with stable closing. A voltage detection module, an infrared probe and a processor are arranged on the grounding box, a three-phase switch and a closing conductive groove are matched to realize grounding, a baffle is symmetrically arranged in relative to the closing conductive groove, the baffle realizes blocking against grounding of the three-phase switch, safe switching and line maintenance are further realized, mistaken reclosing operation is avoided, and happening of short circuit accidents can be effectively prevented. The closing conductive groove is connected with a ground wire, the closing conductive groove is arranged on a closing seat through a second spring, and when the three-phase switch is contacted with the closing conductivegroove, stable contact between the three-phase switch and the closing conductive groove is realized under effects of the second spring, stable grounding is realized, the stability and the safety of grounding are improved, and the phenomenon that excessive large force for closing causes damages to the closing seat and the service life of the grounding box is shortened can be avoided.
Owner:STATE GRID ZHEJIANG HANGZHOU CITY FUYANG DISTRICT POWER SUPPLY CO LTD +2
Connection device with grounding connector for electrical distribution box
ActiveCN105846195ASimple structureEasy to processSubstation/switching arrangement detailsCoupling contact membersEngineeringGround line
Owner:广州番禺电缆集团(新兴)有限公司
Grounding transfer wire clamp and wire grounding structure
InactiveCN108695605ASimple and convenient grounding operationSafe and reliable grounding operationElectric connection structural associationsEngineeringMechanical engineering
The invention relates to a grounding transfer wire clamp and a wire grounding structure. The grounding transfer wire clamp comprises a clamping mechanism, an erecting mechanism and a mounting mechanism, wherein the clamping mechanism is used for clamping a wire; the erecting mechanism comprises an erecting ring, and the erecting ring sleeves the periphery of the wire and is used for erecting of agrounding wire; and the mounting mechanism is used for mounting the erecting ring on the clamping mechanism and can enable the erecting ring and the clamping mechanism to be conducted. The wire grounding structure comprises a wire, a grounding wire and a grounding transfer wire clamp. Due to the arrangement of the erecting ring, when the wire needs to be grounded, the clamping mechanism clamps thewire, one end of the grounding wire is erected on the erecting ring, grounding operation of the wire is realized, the structure is simple, the operation is convenient, and the grounding efficiency ishigh; due to the arrangement of the annular erecting ring, an electric field at the grounding position is uniformly distributed along the annular erecting ring, grounding is ensured to be safe and reliable, the grounding wire can be erected from multiple angles due to the annular erecting ring, and the erecting position selection perplexity brought by limitation of the grounding space can be avoided.
Owner:GUANGZHOU POWER SUPPLY CO LTD
Display device
InactiveUS8953307B2Less componentsLow costTelevision system detailsPicture framesDisplay deviceEngineering
Owner:LG ELECTRONICS INC
Composite electricity testing grounding device and overhead line system electricity testing grounding control system
PendingCN112510394AReliable test resultsEasy to realize intelligentLine/current collector detailsPower supply line detailsControl systemOverhead line
The invention discloses a composite electricity testing grounding device and an overhead line system electricity testing grounding control system. The device comprises an installation bracket, a driving device and an electricity testing grounding rod assembly, wherein the electricity testing grounding rod assembly comprises a first insulating rod, a grounding knife, a detector and a metal rod, thedriving device is connected with the rear end of the first insulating rod and is used for driving the first insulating rod to swing, the grounding switch and the detector are both arranged at the front end of the first insulating rod, the front end of the metal rod is located on the opening side of the grounding switch when the metal rod is in a free state, and the opening side and the metal rodare arranged side by side in the extending direction of an overhead line system. The system is based on the device. By adopting the device and the system provided by the scheme, electricity testing and grounding intellectualization and automation can be realized conveniently, electricity testing and grounding equipment can be integrated, electricity testing and grounding are completed in a continuous action process, and compared with the prior art, the device and the system have the characteristics that electricity testing and grounding are completed more reliably and safely.
Owner:CHENGDU YUNDA TECH CO LTD
Method for suppressing electromagnetic wave radiation on printed circuit board
InactiveCN101754664AImprove the problem of electromagnetic radiationImprove the protective effectMagnetic/electric field screeningPrinted circuit detailsElectromagnetic interferenceEngineering
The invention relates to a method for suppressing electromagnetic wave radiation on a printed circuit board. Through grounding a plurality of positioning points around a double-speed memory slot on the printed circuit board, the grounding efficiency of the printed circuit board is directly improved, so the electromagnetic wave radiation is suppressed. Thereby, the invention has the advantages that the Data strobe electromagnetic interference of the DDR memory is effectively reduced, and the electromagnetic waves which are led out by EMC and do harm to human bodies are effectively suppressed.
Owner:MSI ELECTRONICS KUN SHAN
Display device
InactiveUS20110199724A1Less componentsLow costTelevision system detailsDigital data processing detailsDisplay deviceEngineering
A display device is provided. The display device includes a display module including an upper glass which forms a front exterior of the display device and is used for displaying images, and a back cover making contact with the upper glass and covering the display module.
Owner:LG ELECTRONICS INC
Power distribution equipment
InactiveCN104466699AReduce labor intensityImprove grounding efficiencyEarthing arrangementsLow voltageUltimate tensile strength
The invention provides power distribution equipment. The power distribution equipment comprises a transformer and a measuring box which are connected through a connecting electric wire, and a ground clamp connecting part is arranged on the connecting electric line between the transformer and the measuring box. According to the power distribution equipment, the ground clamp connecting part is arranged on the connecting electric line between the transformer and the measuring box, in this way, when a current transformer needs to be replaced, a worker does not need to hang a ground wire on the low-voltage side of the transformer and thus does not need to climb high to connect the ground wire, and therefore grounding efficiency is improved, and the labor intensity of an operator is relieved.
Owner:STATE GRID CORP OF CHINA +1
Portable grounding device used for power transmission line maintenance
InactiveCN106935989AEasy to fixImprove installation efficiencyCable installation apparatusConnection contact member materialEngineeringUltimate tensile strength
The invention discloses a portable grounding device for transmission line inspection and maintenance, which comprises a main frame and a movable connection frame detachably connected to one end of the main frame, the other end of the movable connection frame is provided with an operating handle, and the other end of the main frame A positioning ring is provided, the main frame is provided with a grounding pedal on the side of one end of the positioning ring, a winding frame is provided on one side of the main frame, a positioning bayonet is formed on the main frame, and the main frame A grounding rod that can be fixed in cooperation with the positioning ring and the positioning bayonet is arranged inside; the grounding rod includes a rod body with a tapered end. The beneficial effect is: it can facilitate the installation and fixing of the ground rod, improve the installation efficiency of the ground rod, and reduce the labor intensity of the fixing work of the ground rod; it can improve the safety of the ground rod when it is installed and positioned. Performance; improve the efficiency of grounding work during circuit maintenance, and reduce the operating cost of circuit grounding work.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1
Method for restraining electromagnetic radiation of coating conducting membrane on screw
InactiveCN101754665AImprove the problem of electromagnetic radiationImprove the protective effectMagnetic/electric field screeningDigital processing power distributionEngineeringElectromagnetic radiation
The invention relates to a method for restraining the electromagnetic radiation of coating conducting membrane on a screw. The method adopts the step of connecting the screw on a printed circuit board by adopting the coating conducting membrane, so as to directly improve the grounding efficiency of the printed circuit board and realize the restraint to electromagnetic radiation. Accordingly, the method can effectively reduce the Data strobe electromagnetic radiation of a DDR memory, and effectively restrain the electric wave harmful to human body and brought by EMC.
Owner:MSI ELECTRONICS KUN SHAN
Air balance hydraulic pumping unit for offshore platform
InactiveCN102182429BOvercoming unreasonable structural designImprove grounding efficiencyFluid removalHydraulic cylinderHydraulic pump
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
A kind of conductive concrete and its preparation method and application
ActiveCN106495607BSolve the problem of difficult grounding resistance reductionEasy constructionTowersElectrical resistance and conductanceFiber
Owner:GEZHOUBA GRP ELECTRIC POWER COMPANY
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