Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

48results about How to "Achieve mechanical strength" patented technology

Method for preparing integrated frame fabrication of cartilage of tissue-engineered bone having function interface

The present invention discloses process of preparing integral bionic tissue engineering bone-cartilage rack with functional interface. The process includes the first establishment of CAD model of the integral bone-cartilage rack by means of bionic principle; preparing collagen / chitosan and collagen / hydroxyapatite micro polymer powder; converting the CAD model into fast forming file input into a 3D printing fast forming machine, spreading the powder with one powder spreader, spraying pentanedial adhesive selectively on the spread powder for adhering and eliminating excessive powder to obtain the integral bionic tissue engineering bone-cartilage rack with functional interface. The present invention has excellent biocompatibility, controllable cartilage rack degrading speed and mechanical strength and other advantages.
Owner:THE FIRST AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIVERSITY OF PLA

Multifunctional implant device

Bone fixation or augmentation in a mammalian body to enhance the mechanical strength of a fracture is provided by reinforcement fixing bone ends together using the implant device. A resorbable device can be rendered anti-osteolytic by incorporating materials such as bisphosphonates. It can also be rendered osteoconductive by the incorporation of an osteoconductive material such as bioactive glass or TCP. The implant device has a matrix as one phase, where the matrix is made of a bioresorbable polymer. One phase of the implant is made from self-reinforcing elements and the matrix contains an antiosteolytic agent component. The implant contains further osteoconductive and / or osteoconductive material.
Owner:ASHAMMAKHI NUREDDIN

Router with antenna built in and middle frame structure thereof

The invention provides a router with an antenna built in and a middle frame structure thereof. The router with the antenna built in comprises a first shell, a second shell, a printed circuit board (PCB), an antenna, a light guide column, and a middle frame structure, wherein the antenna is installed in the middle frame structure, the antenna is coupled with the PCB, the first shell and the secondshell enclose to form an accommodation cavity, the outer side wall of the accommodation cavity is an arc, the middle frame structure, the antenna, the light guide column and the PCB are all accommodated in the accommodation cavity, the first shell and the second shell are connected with the middle frame structure separately, a splicing seam is formed between the first shell and the second shell, the peripheral wall of the light guide column props against the inner side wall of the accommodation cavity and is exposed out of the splicing seam, a ribbon-shaped light source is arranged on the surface, close to the annular light guide column, of the PCB in an annular manner, and the ribbon-shaped light source faces the light guide column. Through adoption of router with the antenna built in andthe middle frame structure thereof, the antenna is arranged in the router in diversified manners, the internal structure of the side, close to the accommodation cavity, of the two shells is simplified, a mold structure processing the shell is simplified, so that the router shell is easier to process and realize.
Owner:SICHUAN FEIXUN INFORMATION TECH CO LTD

Photocurable adhesive film for organic electronic device seal, organic electronic device, and method for sealing same

Provided are a photocurable pressure-sensitive adhesive composition including an acrylic polymer, an epoxy resin, and a cationic photopolymerization initiator, an organic electronic device having an encapsulant including a photocured product of the composition using a curable pressure-sensitive adhesive film which is a film-state product including the composition, and a method for manufacturing an organic electronic device using the curable pressure-sensitive adhesive film. Particularly, due to the method including laminating a photocurable pressure-sensitive adhesive film including a curable pressure-sensitive adhesive layer including an acrylic polymer, an epoxy resin, and a cationic photopolymerization initiator to an top substrate, and radiating light to an entire surface of the curable pressure-sensitive adhesive layer to perform photocuring, and laminating the photocured curable pressure-sensitive adhesive layer to a bottom substrate on which an organic light emitting element is formed to cover an entire surface of the organic light emitting element, mechanical strength and a simple process caused by photocuring to the organic light emitting element without direct light irradiation may be achieved, and a lifespan of the element may be increased.
Owner:LG CHEM LTD

Automobile energy recovery and utilization method based on wheel axle generator

ActiveCN103448545AReduce loadRetain the function of driving power generationAuxillary drivesCapacitanceLow voltage
The invention discloses an automobile energy recovery and utilization method based on a wheel axle generator. The method is characterized in that a double-voltage automobile generator is used to substitute an original generator which is directly driven by an engine, wherein the double-voltage automobile generator is driven by a common automobile clutch and an automobile wheel transmission shaft; under control of an intelligent system, electricity is generated by braking and sliding kinetic energy of the automobile, so as to completely recover the energy; the recovered electricity is respectively stored in a super capacitor, a low-voltage accumulator and a high-voltage accumulator battery to be supplied to electric appliances of the automobile for use; at the same time, an electric braking function is provided for the automobile, and the loss of a braking apparatus is reduced. The automobile energy recovery and utilization method has the advantages of simplicity, feasibility, good energy-saving effect, and improvement on automobile comfort.
Owner:NANJING AOTECAR NEW ENERGY TECH +1

Quenching oil capable of enabling bearing steel to automatically blacken after quenching

The invention discloses quenching oil capable of enabling bearing steel to automatically blacken after quenching, belonging to the technical field of heat treatment and surface treatment of metals. The quenching oil comprises the following components in parts by weight: 17-19 parts of refined base oil, 0.2-0.6 part of cooling accelerating composite agent, 0.1-0.3 part of blackening composite agent, 0.2-0.5 part of brightening agent and 1-2 parts of surfactant. The quenching oil can ensure that bearing steel parts (including bearing rings, rollers and retainers) automatically blacken after quenching, not only can obtain ideal quenching hardness and metallographic structures and achieve the mechanical strength and toughness required by workpieces but also can achieve the effect that the surfaces automatically blacken, and is conducive to reducing coating and rust-proof retreatment of the surfaces after heat treatment, saving energy, reducing procedures and improving the efficiency.
Owner:马鞍山金泉工业介质科技有限公司

Single layer wall polychloroethylene mute drainpipe

The invention discloses a monolayer wall PVC mute drainage pipe, which has a monolayer wall made of materials as: PVC resin for 100 parts, chlorinated polyethylene for 10 to 20 parts, barium sulfate for 150 to 350 parts and other relative processing aids of small amount, wherein the inner wall of the monolayer wall PVC mute drainage pipe (1) is opened with spiral reinforcement (1a), the inner wall of the other monolayer wall PVC mute drainage pipe (1) is opened with a hollow chamber (1b) in axial direction; also the inner wall of the monolayer wall PVC mute drainage pipe can be both opened with spiral reinforcement (1a) and axial hollow chamber (1b). The invention can reduce noise to 30 to 40 dB, which completely meets the requirements of national city environment noise standard GB3096-93 and only needs one pipe wall layer; the pipe wall can both achieves noise reducing requirement and can meet usage mechanic strength; the invention has simple device and small investment, and greatly lowers cost.
Owner:GOODY SCI & TECH CO LTD

Special quenching oil for plate spring and preparation method for special quenching oil

The invention discloses special quenching oil for a plate spring and a preparation method for the special quenching oil, and belongs to the technical field of metal thermal treatment and surface treatment. The quenching oil is prepared from the following components in parts by mass: 25-37 parts of refined base oil, 2-4 parts of a cold catalyst, 0.02-0.03 part of an anti-oxidant, 0.3-0.5 part of abrightener, and 0.3-0.5 part of a surfactant. According to the special quenching oil for the plate spring and the preparation method for the special quenching oil disclosed by the invention, hardenability and critical through-quenching thickness of the plate spring material can be combined, and cooling ability of quenching oil is regulated, so that the plate spring obtains enough and uniform hardness and metallographic structure after being quenched, and therefore, mechanical strength and toughness needed for a workpiece are realized, and workpiece deformation is effectively controlled.
Owner:马鞍山金泉工业介质科技有限公司

High-temperature-resistant alkali-activated aluminosilicate binder and preparation method thereof

The invention provides a high-temperature-resistant alkali-activated aluminosilicate binder and a preparation method thereof, wherein the binder comprises the components in parts by mass: 30-40 parts of metakaolin, 5-10 parts of silica fume, 50-70 parts of white corundum micro powder, 40-60 parts of water glass, 1-10 parts of potassium hydroxide and 10-15 parts of distilled water. The preparation method of the binder comprises the following steps: step 1, uniformly mixing the metakaolin, the silica fume, the water glass, the potassium hydroxide and the distilled water in parts by mass to obtain slurry; and step 2, adding the white corundum micro powder in parts by mass into the slurry, and uniformly mixing. The obtained high-temperature-resistant alkali-activated aluminosilicate binder is high in bonding strength, relatively good in dimensional stability after high-temperature heat treatment, low in cost, simple in preparation process and capable of being cured at room temperature, thereby widening the application range of the aluminosilicate binder.
Owner:CAIHONG GRP SHAOYANG SPECIAL GLASS CO LTD

Preparation method and application of sulfydryl modified graphene oxide nanosheet/geopolymer composite material

The invention discloses a preparation method of a sulfydryl modified graphene oxide nanosheet / geopolymer composite material. The preparation method comprises the following steps: carrying out pre-adsorption treatment on mercury-polluted soil by using a sulfydryl modified graphene oxide nanosheet ultrasonic dispersion; and then solidifying and stabilizing the mercury-polluted soil subjected to pre-adsorption treatment in a geopolymer to obtain the sulfydryl modified graphene oxide / geopolymer composite material. The sulfydryl modified graphene oxide nanosheet / geopolymer composite material is applied to building materials. The method provided by the invention can effectively solidify and stabilize mercury soil pollutants, has a lower mercury leaching rate and improves the compressive strengthof the material.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY

Homogenous phase cation exchange membrane and preparation method thereof

ActiveCN106994304ASimple stepsGood thermal and chemical stabilityMembranesSemi-permeable membranesChemical industryDyeing
The invention provides a homogenous phase cation exchange membrane and a preparation method thereof and relates to functional macromolecular membrane materials. The preparation method comprises the following steps: taking a macromolecular thin film sensitive to high-energy ray as a substrate film; after washing and radiating through high-energy rays, grafting a monomer styrene or an alkyl styrene monomer to two sides of the substrate film and carrying out functionalization on the monomer styrene and the alkyl styrene monomer; introducing cation exchange groups on two side faces of the membrane; pelleting again or adopting a method of carrying out co-fusion on a macromolecular thin film which is not radiated to obtain the homogenous phase cation exchange membrane. The homogenous phase cation exchange membrane prepared by the preparation method has the characteristics of high exchange capacity, good electrochemical performances, high flexibility and relatively high strength and the like, and has a wide application prospect in national economy branches including food industry, electronic industry, semiconductor industry, medicine industry, dyeing and printing industry, chemical industry and the like; the cation exchange membrane has an excellent alcohol resisting performance and the problem that methanol leaks from an anode film in a utilization process of a direct methanol fuel cell is solved.
Owner:XIAMEN UNIV

Nitric oxide detection film and preparation method thereof

The invention provides a nitric oxide detection film, which is characterized by comprising a porous thin film, and a fluorescence probe indicator and a polymeric dispersant attached to the porous thinfilm.
Owner:PEKING UNIV SHENZHEN GRADUATE SCHOOL

Quenching oil dedicated to small module gears and preparation method of quenching oil

The invention discloses quenching oil dedicated to small module gears and a preparation method of quenching oil, and belongs to the technical field of metal heat treatment. The quenching oil comprises the following components in parts by mass: 35 to 40 parts of refined base oil, 2 to 3 parts of a cooling compound agent, 0.5 to 0.8 part of a blackening compound agent, 0.3 to 0.7 part of a brightening agent, 0.6 to 0.8 part of a surfactant and 0.04 to 0.06 part of an antioxidant. The quenching oil is specially developed for the small module gears of which the module is 1 mm or below, the optimal utilization temperature is 100 to 110 DEG C, the fluidity of the quenching oil is good in the temperature range, the cooling velocity for the small module gears is moderate, protective films are formed on the surfaces of the gears through automatic blackening during quenching, the secondary coating antirust treatment on the surfaces after heat treatment is reduced, the resources are saved, the procedure is reduced, and the efficiency is improved.
Owner:马鞍山金泉工业介质科技有限公司

Electromagnetic shielding wall plate and manufacturing method thereof

The invention discloses an electromagnetic shielding wall plate and a manufacturing method thereof. The electromagnetic shielding wall plate comprises a prefabricated concrete base plate. A nickel alloy mesh sheet is bonded to one side of the nickel alloy mesh sheet, a plastered mortar layer is arranged on the outer side of the nickel alloy mesh sheet, and the outside of the plastered mortar layer is coated with a shielding rubber coating. Polyurethane resin and a styrene-acrylic emulsion are adopted as an organic carrier for butadiene rubber shielding coating provided by the invention. Compared with traditional epoxy resin solvent-based coating, the coating has more satisfactory shielding effect, blanc fixe, carbon black and nickel powder are dispersed in the coating and interlapped, accordingly a tight conductive network is formed, and the electric conductivity is greatly improved. In addition, long-term electromagnetic wave radiation can damage organic film forming matter in the coating, and consequentially the coating can crack, and butadiene rubber can be used for effectively improving the tenacity of the coating and prolonging the service life of the coating.
Owner:AUTOMOTIVE ENG CORP

Quenching oil preparation method

ActiveCN104451059ARealize automatic blackeningSave resourcesQuenching agentsQuenchingMaterials science
The invention discloses a quenching oil preparation method, belonging to the technical field of heat treatment and surface treatment of metals. The quenching oil comprises the following components in parts by weight: 17-19 parts of refined base oil, 0.2-0.6 part of cooling accelerating composite agent, 0.1-0.3 part of blackening composite agent, 0.2-0.5 part of brightening agent and 1-2 parts of surfactant. The quenching oil prepared by the preparation method has the advantages of good dispersibility, good stability, good heat transmissibility, and the like, can ensure that bearing steel parts (including bearing rings, rollers and retainers) automatically blacken after quenching, not only can obtain ideal quenching hardness and metallographic structures and achieve the mechanical strength and toughness required by workpieces but also can achieve the effect that the surfaces automatically blacken, and is conducive to reducing coating and rust-proof retreatment of the surfaces after heat treatment, saving energy, reducing procedures and improving the efficiency.
Owner:马鞍山金泉工业介质科技有限公司

Electromagnetic interference (EMI) diverter

An external EMI diverting structure to electrically shield an electronic device from EMI is presented. The electronic device is physically isolated from the case ground which interrupts the EMI or lightning fault path. This shield provides a return path to ground for the EMI away from the electronic device and replaces conventional EMI filter capacitors, which are not connected to case ground. The external EMI diverter comprises a first conducting enclosure enclosing the electrical circuit and is electrically coupled to the electric circuit and a second conducting enclosure enclosing the first conducting enclosure and being electrically isolated from the first conducting enclosure and the electric circuit. The diverter is physically and electrically connected to the case ground at an attachment point.
Owner:HONEYWELL INT INC

Artificial mineral stone mechanical base molding process

The invention belongs to the technical field of mechanical bases, and specially relates an artificial mineral stone mechanical base molding process, which specifically comprises: raw material weighingand matching, cementing material preparation, aggregate and filler mixed preparation, concrete mixture preparation, molding by a mold, demolding heating, and polishing treatment. According to the invention, artificial cobblestones are used as aggregates, and river sand is used as aggregate for filling, so that a certain mechanical strength can be realized while natural sandstone is replaced to achieve the replacing effect, protect natural aggregate and achieve the substitution effect; the crushed stone of the artificial cobblestone is used as the main material, and the epoxy resin is used asthe cementing material, so that the overall strength of the mechanical base can be guaranteed, and the problem that the strength does not reach the standard due to the too smooth surface of the natural cobblestone is avoided; and the smoothness of the surface of the base is guaranteed by adopting the surface glue and the later repairing and drying.
Owner:常州高鼎新材料科技有限公司

High-resolution logging-while-drilling device adopting gamma and side-scanning comprehensive imaging

The invention discloses a high-resolution logging-while-drilling device adopting gamma and side-scanning comprehensive imaging. The high-resolution logging-while-drilling device adopting gamma and side-scanning comprehensive imaging comprises an outer drill collar, wherein an upper-part wear-resistant ring is arranged at one end of the outer drill collar, and a lower-part anti-wear belt is arranged at the other end of the outer drill collar; an inner mandrel is arranged in the outer drill collar; a gamma detector, a pseudosymmetric emission electrode T3, a measurement electrode T2, a measurement electrode T1, a quadrant reception pole plate, a button reception electrode and a measurement electrode T4 are sequentially arranged on the inner mandrel between the upper-part wear-resistant ringand the lower-part anti-wear belt; the gamma detector and the button reception electrode are used for gamma imaging and resistivity imaging; the quadrant reception pole plate is used for realizing anazimuthal side resistivity measurement function; and the pseudosymmetric emission electrode T3, the measurement electrode T2, the measurement electrode T1 and the measurement electrode T4 are used forrealizing different depth-sounding resistivity measurements. The high-resolution logging-while-drilling device adopting gamma and side-scanning comprehensive imaging is reasonable in structural layout, high in reliability, simple to machine, and convenient to maintain and extend.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Preparation method of copper-niobium composite radio frequency superconducting resonant cavity

ActiveCN113973419ARealize developmentGood low temperature radio frequency superconducting propertiesAcceleratorsWaveguide type devicesNiobiumRadio frequency
The invention discloses a preparation method of a copper-niobium composite superconducting resonant cavity. The method comprises the following steps: 1) preparing a pure niobium superconducting cavity; 2) sequentially carrying out mechanical polishing, cleaning solution cleaning, ultrasonic ultrapure water cleaning and acid solution polishing on the inner and outer surfaces of the pure niobium superconducting cavity prepared in the step (1), removing residual acid on the surface of a material, and sequentially carrying out sand blasting and reverse plating electrocleaning treatment on the outer surface of the superconducting cavity after the residual acid is cleaned; 3) preparing a niobium-copper eutectic bond bonding structure on the outer surface of the pure niobium superconducting cavity: a, electroforming a transition metal layer on the outer surface of the pure niobium superconducting cavity; b, electroforming copper on the metal surface of the transition metal layer; and c, enabling the niobium-transition layer metal-copper layer to be subjected to vacuum high-temperature annealing, and generating inter-atomic eutectic bond bonding is generated on the copper and niobium layers through transition metal; 4) electroforming a thick copper layer on the copper layer on the outer surface of the superconducting cavity prepared in the step 3); and 5) performing finish machining on the outer surface of the superconducting cavity prepared in the step 4) to obtain the copper-niobium composite superconducting resonant cavity.
Owner:INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI +1

Quenching oil capable of enabling screw to blacken automatically after quenched and quenching method thereof

The invention discloses quenching oil capable of enabling an screw to blacken automatically after quenched and a quenching method thereof. The invention belongs to the field of metal heat treatment technology. The quenching oil comprises the following components, by weight, 35-40 parts of refined base oil, 6-10 parts of cooling catalyzed composite agent, 0.4-0.6 parts of blackening composite agent, 0.3-0.7 parts of brightening agent, 0.4-0.7 parts of surface activating agent and 0.02-0.04 parts of antioxidant. The cooling catalyzed composite agent is a mixture of dialkyl naphthalene and petroleum sulfonate; the blackening composite agent the mixture of short oil alkyd resin, colouring agent and wetting agent; the brightening agent is the mixture of imidazoline oleate and methyl terpene resin; the surface activating agent is span-80. The colouring agent is disperse black 9; the wetting agent is fatty alcohol-polyoxyethylene ether. The best using temperature of the quenching oil is between 75 DEG C and 80 DEG C. Between 75 DEG C and 80 DEG C, the cooling speed of the quenching oil for the screw is moderate, the surface can be blackened automatically and a protective film can be formed while the quenching, so that the processes can be reduced and the efficiency can be improved.
Owner:马鞍山金泉工业介质科技有限公司

Fireproof heat retaining panel with aluminum profile and injection molded antiflaming heat-conducting-heat-insulation component

InactiveCN106013479AImprove distributionAchieve directional reflectionHeat proofingFire proofingInfraredAdhesive
The invention provides a fireproof heat retaining panel with an aluminum profile and an injection molded antiflaming heat-conducting-heat-insulation component, and belongs to the field of fireproof heat retaining panels of building materials. The fireproof heat retaining panel is formed by a transparent self-cleaning film 1 which does not absorb infrared rays, the outer surface 2 of an aluminum profile housing 11, a first heat-insulation inorganic coating layer 3, an injection molded antiflaming heat-conducting-heat-insulation component 4, a second heat-insulation inorganic coating layer 5, and an expansion glass wool layer 6 wrapped by aluminum foil, and a third heat-insulation adhesive film layer 7. The outer surface 2 is provided with a triangular pit in angle of 15-60 DEG and the self-cleaning film. A principle of double-layer glass heat insulation is used to make the injection molded antiflaming heat-conducting-heat-insulation component, and a quasi-stationary air thermal insulating layer is formed between the heat retaining panel and a wall surface. The injection molded antiflaming heat-conducting-heat-insulation component 4 is a ladder type linked body formed by a plurality of groups of element components 43 with horizontal simply support mechanical beams (heat conducting isothermal subparts) 41 which have electroplating heat conducting metal layers and support beams (heat insulation subparts) 42 without electroplating heat conducting metal layers. The coating layer 3 and the adhesive film layer 7 are formed by foaming inorganic adhesives.
Owner:哈尔滨鹏嵘科技发展有限公司

Router upper and lower cover injection mold and injection molding process thereof

The invention discloses a router upper and lower cover injection mold and an injection molding process thereof, and belongs to the technical field of injection molding. By means of the router upper and lower cover injection mold, prepared pore-forming balls can be injected into a raw material through temperature control columns in a micro-curing state of the raw material in the manner of positioning and mounting the plurality of temperature control columns in the mold, filling in the raw material is carried out to form a similar interlayer, temperature control balls are then controlled to be distributed on the surface of the raw material through the magnetic attraction effect, finally, the pore-forming balls are sucked out to form a cavity in the raw material to serve as a heat preservation interlayer, the temperature control balls are at the surface to serve as a heat conduction layer, and heat conduction variable bags in the temperature control columns make contact with a composite heat conduction plate in the high-temperature state, so that working heat of electron components in a router shell can be quickly dissipated, in a low-temperature state, temperature sensing control rods in the heat conduction variable bags contract when meeting cold, the heat conduction variable bags are separated from the composite heat conduction plate, external cold is difficult to enter the shell, heat preservation is carried out by virtue of heat generated by the temperature sensing control rods, and the working thermal stability of a router is improved.
Owner:苏州祥盈升精密实业有限公司

Antenna device and communication device

Provided is an antenna device that enables the realization of both good communication characteristics and good mechanical strength and that has a structure that is favourable to both small size and low profiling. The antenna device, which communicates information by coupling the electromagnetic fields between a pair of opposing electrodes by using a prescribed communication wavelength, comprises a coupling electrode (17) that is formed on a dielectric substrate (11) and that becomes communicable by electromagnetic coupling with an electrode of another antenna device. The coupling electrode (17) has a line (12) that is half the length of the communication wavelength and is formed on the dielectric substrate (11), and a ground (13) that opposes the line center (12a) of the line (12) and the surface direction of the dielectric substrate (11) and that is electrically connected to the line (12). The coupling electrode electromagnetically couples with an electrode of another antenna device disposed on an extended line connecting the line center (12a) and the ground (13).
Owner:DEXERIALS CORP

Monolithic bodies of sintered chemically bonded ceramic (CBC) biomaterial prepared ex vivo for implantation, preparation and use thereof

The present invention generally relates to the use of pre-formed bodies of Chemically Bonded Ceramics (CBCs) biomaterial for implantation purposes wherein the bodies are prepared ex vivo allowing process parameters to be optimized for desired long term properties of the resulting CBC biomaterial. More particularly, the pre-formed CBC material bodies of the present invention are sintered. The pre-formed body of CBC material is machined to the desired geometry and then implanted using a CBC cementation paste for fixation of the body to tissue. The invention also relates to a method of preparing pre-formed bodies of CBC biomaterial for implantation purposes, methods of preparing an implant thereof having desired geometry, and a method of implantation of the implant, as well as a kit for use in the method of implantation.
Owner:DOXA AB

An overall encapsulation structure for stator components of an outer rotor motor

ActiveCN104065181BReduce motor temperature rise and noiseEnsure normal workabilityMagnetic circuit stationary partsThermoplasticInjection molding process
The invention discloses an entire packaging structure for a stator component of an external rotor electric machine. The structure comprises an electric machine stator core, package plastic of a thermoplastic or thermosetting insulation material on the electric machine stator core, an electric machine winding wound around the package plastic, a stator insertion piece inserted into the package plastic and connected with the tail end of the electric machine winding, and an electric machine metal shell assembled together with the stator core. The insulation material is packaged in a clearance zone by means of the injection molding process, and a packaging solid body is formed between the package plastic, the electric machine winding and the metal shell. A zone I and a zone II are formed through the injection molding of the insulation material, the zone I is used for accommodating a thermal protection component of the electric machine, and the zone II is used for accommodating a Hall sensor of the electric machine. The structure has the advantages that the strength, precision, high-temperature and high-pressure resistance, and water and damp resistance of the electric machine can be improved, temperature rise and noise of the electric machine are reduced, and normal work of the thermal protector of the electric machine and effective positioning of the Hall sensor of the electric machine are ensured.
Owner:HANGZHOU WEIGUANG ELECTRONICS

Antenna device and communication device

The present invention provides an antenna device having a structure that can achieve a balance between good communication characteristics and mechanical strength, and is advantageous in both miniaturization and low profile. In an antenna device for performing information communication by performing electromagnetic field coupling between a pair of opposing electrodes using a predetermined communication wavelength, it is provided with: a coupling electrode (17) formed on a dielectric substrate (11), capable of communicating with other antenna devices Electromagnetic field coupling is performed on the electrodes for communication, and the coupling electrode (17) has: a line (12), which is formed on a dielectric substrate with a length of 1 / 2 of the communication wavelength; and a ground (13), connected to the line (12) The line central part (12a) faces the dielectric substrate (11) in the plane direction and is electrically connected to the line (12), and the coupling electrode (17) is connected to the extension of the line central part (12a) and the ground (13). The electrodes of other antenna devices arranged on the line perform electromagnetic field coupling.
Owner:DEXERIALS CORP

A kind of preparation method of quenching oil

ActiveCN104451059BRealize automatic blackeningSave resourcesQuenching agentsHardnessBase oil
The invention discloses a quenching oil preparation method, belonging to the technical field of heat treatment and surface treatment of metals. The quenching oil comprises the following components in parts by weight: 17-19 parts of refined base oil, 0.2-0.6 part of cooling accelerating composite agent, 0.1-0.3 part of blackening composite agent, 0.2-0.5 part of brightening agent and 1-2 parts of surfactant. The quenching oil prepared by the preparation method has the advantages of good dispersibility, good stability, good heat transmissibility, and the like, can ensure that bearing steel parts (including bearing rings, rollers and retainers) automatically blacken after quenching, not only can obtain ideal quenching hardness and metallographic structures and achieve the mechanical strength and toughness required by workpieces but also can achieve the effect that the surfaces automatically blacken, and is conducive to reducing coating and rust-proof retreatment of the surfaces after heat treatment, saving energy, reducing procedures and improving the efficiency.
Owner:马鞍山金泉工业介质科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products