50 results about "Gyroid" patented technology

A shock absorber body assembly is disclosed that is includes a shock body formed of a cylinder defining a top cylinder end and a bottom cylinder end, and having a cylinder wall that surrounds a cylinder cavity. The cylinder wall is defined by a solid interior portion and a raised cooling pattern disposed on and proud of an exterior side of cylinder wall. The raised cooling pattern is comprised of one or more fins, wherein the raised cooling pattern is configured to provide for heat transfer from hydraulic fluid within the cavity of the cylinder cavity to an environment external to the shock absorber body assembly. The raised cooling pattern includes one or more cooling fins that extend along a length of the cylinder in a straight line and extend outwardly from the cylinder wall in an orthogonal direction, a cooling lattice mesh, or a cooling gyroid mesh.

This invention discloses a finite element design and analysis method for a novel structural piezoelectric composite material. The method includes the following steps: extracting the zero level set surface based on the spatial structural equation to create the geometric shapes of a 3D TPMS shell structure, including Schwarz P, Gyroid, Neovius, and Diamond structures; using Matlab to define the frame volume fraction of the geometric shapes and control the unit node information in the 3D TPMS shell structure model; generating the 3D TPMS shell structure model as an inp file, importing the inp file into Abaqus to generate hexahedral elements; using Rhino to smooth the surface of the hexahedral elements, exporting the STL file, and performing remeshing in Hypermesh to convert the hexahedral elements into tetrahedral elements; adding periodic boundary conditions to the tetrahedral element mesh and performing numerical simulation to obtain the TPMS shell structure composite material model. The novel TPMS shell structure piezoelectric composite material designed by this method significantly improves piezoelectric performance compared to existing piezoelectric composite materials.

The invention provides a method for designing a TPMS (Tire Pressure Monitor System) heat exchanger core body for realizing local resistance reduction design, and belongs to the technical field of heat exchangers. According to the design method for the 3D printing modularized TPMS heat exchanger core body, local resistance reduction design is achieved through a parameterization method, a traditional Gyandroid structure expression serves as the basis, parameterization expression is conducted on an offset parameter C item in the Gyandroid structure expression through a Sigmoid function, continuous change of the relative volume of an inlet area and an outlet area of the core body is achieved, and the local resistance reduction design is achieved. And the purpose of reducing resistance of the core inlet and outlet is achieved. Based on a parameterization method, TPMS curved surface offset with controllable local parameters is realized; the TPMS heat exchanger module is locally adjusted by applying a parameterized curved surface offset scheme, continuous change of the relative volume of single fluid is realized by changing cell elements at an inlet and an outlet of the TPMS heat exchanger module, sudden change of the flow area at the inlet and the outlet of cold fluid and hot fluid of the TPMS heat exchanger module is reduced, and local energy loss is effectively reduced.

The present invention of the polymer bricks that are considered highly efficient in terms of mechanical properties, providing thermal insulation in buildings and reducing the operating energy of the building and the energy embodied in the manufacturing stages compared to concrete bricks (blocks) or ready-made concrete. The lattice-based plastic brick includes at least two solid plates and a plurality of lattice unit cells. The two solid plates include an inner layer and an outer layer. The lattice unit cells are sandwiched between the at least two solid plates in a predefined manner. The lattice unit cells is designed using topologies comprising triangle, diamond, hexagonal / honeycomb, cubic, polygonal, star, gyroid, and a combination thereof. The lattice unit cells includes struts of predefined thickness and length.

A structural member (7, 2) for a motor vehicle (1) includes at least one wall (8) at least partially enclosing a cavity (9) and a lattice structure (11) attached to the wall so as to form a single body with the wall (8) and arranged to at least partially fill the cavity (9), the structural member being characterized in that the lattice structure (11) comprises at least one elementary cell with gyroid geometry (12).

The utility model discloses a bearing penetrates cover and bearing assembly for dry -type continuous casting, this bearing penetrates cover includes: the whole is hollow's cover body of gyroid, the cover body has opposite first side and second side along the first direction, the first side forms the through -hole of variable aperture to the second side, the through -hole includes first hole section and second hole section who set up in order from the first side to the second side, the inner diameter of first hole section is less than the inner diameter of second hole section, the inner wall of first hole section is opposite and forms the sealing groove, the outer surface of cover body is provided with the lap joint, the bearing penetrates cover is used for embedding installation in the bearing seat, and the lap joint is used for abutting in bearing seat, penetrates the cover sealing piece, the cover sealing piece is metal sealing piece, and the cover sealing piece installs in sealing groove. The application can effectively improve the reliability of bearing penetrates cover when using, and then improve the service life greatly.

The invention belongs to the technical field of precision machining, and relates to a hemispherical harmonic oscillator porous flow channel device for improving abrasive particle material flow field intensity, which comprises a profiling flow channel module, and the profiling flow channel module is composed of a Gyandroid minimal curved surface porous structure profiling flow channel main body and a flow channel nozzle base, the specific structure is as follows: a Gyandroid minimum curved surface porous structure is a profiling runner main body structure, the porous structure is formed by stacking and connecting Gyandroid minimum curved surface cell elements with uniform density layer by layer, and the porosity of the porous structure can be selected as 30%, 50% and 70% respectively; a flow channel base is machined, the exterior of the flow channel base is of a columnar structure, a conical through hole is formed in the columnar structure, the inner wall of the conical through hole is of a threaded structure, and a profiling module is fixed to the base; geometric parameters of a polishing channel are precisely adjusted, an internal fluid path is improved, stress on the surface of a workpiece is more uniform, and then the polishing efficiency of a polishing material on the surface layer of the workpiece is enhanced.

The application discloses a dynamic gradient porosity TPMS heat dissipation structure and a control method, and relates to the technical field of liquid cooling heat dissipation control of data centers. The dynamic gradient porosity TPMS heat dissipation structure is composed of a cold plate body, a Gyroid type TPMS flow channel structure, a plurality of temperature sensors and a plurality of flow regulating elements. The cold plate body is a heat exchange base body for bearing the flow channel structure and being in contact with a chip to be cooled. The Gyroid type TPMS flow channel structure is arranged in the cold plate body and is divided into at least two independent functional sections along the flow direction of the cooling liquid. The plurality of temperature sensors are arranged in an array on the contact surface of the cold plate body and the chip to be cooled, correspond to different heating areas of the chip to be cooled respectively, and are used for collecting temperature signals of the heating areas in real time. The application upgrades the traditional static gradient design to a dynamic adaptive gradient design, can respond to the change of the chip thermal load in real time, and avoids the performance compromise of the fixed gradient flow channel under high and low load working conditions.

A heat exchanger includes a housing. A first cooling block is defined within the housing. The first cooling block includes a coolant inlet, a refrigerant inlet, and a first gyroid structure that defines a first set of coolant channels and a first set of refrigerant channels. A second cooling block is defined within the housing. The second cooling block includes a coolant outlet, a refrigerant outlet, and a second gyroid structure that defines a second set of coolant channels and a second set of refrigerant channels. A perforated barrier plate is interposed between the first cooling block and the second cooling block. The first set of coolant channels is in fluid communication with the second set of coolant channels via perforations in the barrier plate. The first set of refrigerant channels is in fluid communication with the second set of refrigerant channels via perforations in the barrier plate.

A method and an article of manufacture are disclosed for creating 3-D (3-Dimensional) gyroid-based structures such as panels, parts, and components using gyroid building blocks made by subtractive manufacturing (shaping material by removing part of the material, like making a sculpture by shaving wood from a log) that may minimize or maximize heat transfer, compared with a non-gyroid similar structure and depending on application, while maintaining high structural strength and integrity with respect to the intended applications. More specifically, the method includes subtractively manufacturing a variety of basic gyroid building blocks and then attaching the building blocks together to construct larger and more complex 3-D structures while preserving smooth surfaces and same curvature, as further described below. This may not be effectively manufactured by additive manufacturing techniques.

The utility model discloses an air conditioner fan blade bearing and an air conditioner in the technical field of air conditioner products. The air conditioner fan blade bearing comprises an inner ring, an outer ring and a steel ball, the inner ring and the outer ring are in a rotary body shape and are coaxial, the steel ball is arranged between the inner ring and the outer ring, grooves are correspondingly formed in the outer side face of the inner ring and the inner side face of the outer ring, the steel ball is rotatably arranged in the grooves, the inner ring and the outer ring are both in contact with the steel ball, and the inner ring and the outer ring are not in direct contact; the outer ring is of an integrally-formed double-layer structure, the inner layer is made of high-rigidity and self-lubricating materials, and the outer layer is made of thermoplastic elastomer materials. According to the bearing, the inner ring and the outer ring are in rolling connection, friction force is reduced, and the abnormal sound risk is smaller; the outer ring is made of two materials, and the production process and the movement balance are both considered; rigid fit of bearing installation is changed into elastic fit, and the requirement for installation precision is lowered.

A method and an article of manufacture are disclosed for creating 3-D (3-Dimensional) gyroid-based structures such as panels, parts, and components using gyroid building blocks made by subtractive manufacturing (shaping material by removing part of the material, like making a sculpture by shaving wood from a log) that may minimize or maximize heat transfer, compared with a non-gyroid similar structure and depending on application, while maintaining high structural strength and integrity with respect to the intended applications. More specifically, the method includes subtractively manufacturing a variety of basic gyroid building blocks and then attaching the building blocks together to construct larger and more complex 3-D structures while preserving smooth surfaces and same curvature, as further described below. This may not be effectively manufactured by additive manufacturing techniques.

The utility model discloses an underground water level monitoring device, and belongs to the technical field of underground water level monitoring. The underground water level monitoring device comprises a wind-up roller, a water level gauge is arranged on the wind-up roller through a connecting rope, the underground water level monitoring device further comprises a base of a rotary body structure, a vertical plate is fixedly arranged at the top of the base, and the wind-up roller is rotationally connected with the vertical plate; the first cleaning plate is arranged on the vertical plate, the first cleaning plate is in threaded connection with a second cleaning plate through a first screw rod, cleaning pads are fixedly arranged on the adjacent surfaces of the first cleaning plate and the second cleaning plate, and the cleaning pads are matched with connecting ropes; the cleaning pads are arranged on the first cleaning plate and the second cleaning plate, so that the surface of the connecting rope can be cleaned in the winding process, water or dust on the connecting rope is reduced, the service life of the connecting rope can be prolonged, peculiar smell on the connecting rope can be reduced, and the use experience is improved.

A heat sink includes a channel including a gyroid structure portion having a non-uniform thickness.

A cooling station is provided including one or more cooling plates configured to support a substrate. Each cooling plate of the one or more cooling plates can include a monolithic body and one or more channels within the monolithic body that traverse an interior volume of the cooling plate. These channels can be configured to circulate a coolant within the cooling plate, wherein the coolant is to extract heat from the supported substrate that may be resting on top of the cooling plate. In some cases, a cross sectional shape of the one or more channels may be at least one of rectangular, circular, pentagonal, polygonal, hexagonal, or a gyroid.

Provided herein are implants and methods for producing implants. In at least one embodiment, the implants include sheet-based, triply periodic, minimal surface (TPMS) portions. According to one embodiment, the TPMS portions include a gyroid architecture that provides for improved osseointegration and mechanical performance over previous implants due to novel ratios of porosity to compressive strength, among other features. In one or more embodiments, the gyroid architecture is organized into unit cells that demonstrate anisotropic mechanical performance along an insertion direction. In various embodiments, the present methods include novel selective laser melting (SLM) techniques for forming the TPMS portions of implants in a manner that reduces defect formation, thereby improving compressive performance and other implant properties.

An acoustic device includes a three-dimensional phononic crystal having cubic symmetry. The phononic crystal includes a first region filled with a first material and a second region filled with a solid material that is different from the first material. The second region is the solid complement of the first region. A boundary between the first and second regions is shaped as a single gyroid surface that has constant mean curvature and is not pinched off. The volume of the second region is greater than or equal to that of the first region. The first material may be a gas, such as air, or a fluid. The phononic crystal supports topological surface states, has a band structure with at least one degenerate point protected by nonsymmorphic symmetry, and exhibits negative refraction where two of its external surfaces meet.

The present invention relates to a method for preparing a corrosion-resistant radial gradient porous bionic bone scaffold, and belongs to the field of medical machinery technology. The present invention first redesigns the offset C through the relationship between the Gyroid unit cell mathematical formula S (x, y, z) and the offset C, thereby improving the mathematical formula so that it is suitable for radial gradient porous scaffolds. Using the improved mathematical formula, a radial gradient porous rectangular parallelepiped model is generated using a Python script, and a cylindrical radial gradient porous model is obtained through a Boolean intersection operation. Subsequently, the model is smoothed and repaired, and a preliminary radial gradient porous scaffold is prepared by selective laser melting (SLM) forming technology. Finally, a finished radial gradient porous bionic bone scaffold is obtained by sandblasting. The present invention has stronger corrosion resistance, longer service life and larger specific surface area, is more conducive to the transmission, survival and attachment of bone cells, and has superior performance compared to traditional uniform porous scaffolds.

Provided herein are implants and methods for producing implants. In at least one embodiment, the implants include sheet-based, triply periodic, minimal surface (TPMS) portions. According to one embodiment, the TPMS portions include a gyroid architecture that provides for improved osseointegration and mechanical performance over previous implants due to novel ratios of porosity to compressive strength, among other features. In one or more embodiments, the gyroid architecture is organized into unit cells that demonstrate anisotropic mechanical performance along an insertion direction. In various embodiments, the present methods include novel selective laser melting (SLM) techniques for forming the TPMS portions of implants in a manner that reduces defect formation, thereby improving compressive performance and other implant properties.

The present invention provides a heat exchange component that can reduce the pressure loss of the heat transfer medium at the contact portion of the heat exchange component, avoid increasing thermal resistance, and also achieve weight reduction. [Solution] The medium contact portion of the heat exchange member has a deformable gyroid structure 70. The deformable gyroid structure 70 has deformable unit cells 72 obtained by deforming a unit cell of a gyroid structure so as to extend it in one direction. The flow direction of the heat medium is defined as the X direction, the direction perpendicular to the X direction is defined as the Y direction, and the direction perpendicular to the X and Y directions and parallel to the direction from the main surface 52 toward the back surface 54 is defined as the Z direction. In the deformable unit cell 72, the dimensions in the Y direction and the Z direction are the same, and the dimensions in the X direction are larger than the dimensions in the Y direction and the Z direction.

The invention relates to a nano-porous material based on a three-period minimal curved surface and a preparation method thereof, and the method comprises the following steps: determining the mass fraction of deionized water, bis (trifluoromethylsulfonyl) imine salt and a zwitterionic surfactant as synthetic materials according to the type of the three-period minimal curved surface of a target nano-porous material skeleton structure; the preparation method comprises the following steps: fully mixing selected synthetic materials to prepare a substrate solution; the preparation method comprises the following steps: standing a substrate solution in a constant-temperature box to obtain a nano-porous material based on a three-period minimal curved surface; according to the invention, based on a molecular self-assembly process of bis (trifluoromethylsulfonyl) imine salt and a zwitterionic surfactant under a nano scale, a porous material with a framework structure having Gyandroid type, Diamond type or Primitive type three-period minimal curved surface characteristics and a nano-scale cell element size can be prepared; the nano-porous material based on the three-period minimal curved surface prepared by the invention can improve the thermoelectric performance and mechanical strength of the material, and shows a wide prospect in the fields of electronic device power supply, biological signal acquisition, acoustic detection and the like.

A heat exchanger includes a housing. The housing defines a refrigerant inlet, a refrigerant outlet opposing the refrigerant inlet, at least one coolant inlet, and at least one coolant outlet. A gyroid structure is disposed within the housing. The gyroid structure defines a set of refrigerant channels that direct refrigerant through the gyroid structure, a first set of coolant channels that direct coolant through a first region of the gyroid structure, and a second set of coolant channels that direct coolant fluid through a second region of the gyroid structure. A valve is disposed within the refrigerant inlet. The valve is configured to direct refrigerant fluid to at least one of the first region and the second region of the gyroid structure.

A cooling station is provided including one or more cooling plates configured to support a substrate. Each cooling plate of the one or more cooling plates can include a monolithic body and one or more channels within the monolithic body that traverse an interior volume of the cooling plate. These channels can be configured to circulate a coolant within the cooling plate, wherein the coolant is to extract heat from the supported substrate that may be resting on top of the cooling plate. In some cases, a cross sectional shape of the one or more channels may be at least one of rectangular, circular, pentagonal, polygonal, hexagonal, or a gyroid.

The present invention discloses an improved method for regulating the TPMS structure based on the Gyroid function and a heat exchanger structure. Through a new improved Gyroid function regulation method, the flow channels of the Gyroid structure no longer have straight "through holes", avoiding excessive fluid flow along low-flow-resistance paths. At the same time, the wall curvature is increased. On the one hand, the surface area / volume ratio is increased, and on the other hand, the three-dimensional spiral perturbation of the fluid is enhanced, promoting efficient secondary flow (lateral mixing) and vortex effects, and enhancing the turbulent mixing ability. Based on this optimized TPMS structure, the heat transfer performance can be further improved, achieving more uniform and efficient heat transfer.

A heat sink includes a channel including a gyroid structure portion having a non-uniform thickness.

The present disclosure relates to a partitioned additive manufacturing method for a TPMS fusion structure and a TPMS fusion structure obtained therefrom, a Diamond structure and a Gyroid structure are respectively constructed by using an implicit function, and a TPMS fusion structure with a bearing framework and a filling core collaborative configuration is constructed by Boolean intersection and union operations, then the TPMS fusion structure is subjected to slicing processing, the outer contour area, the inner filling area, the first surface area and the second surface area are divided, and corresponding scanning strategies, energy input parameters and remelting shaping strategies are set, layer-by-layer scanning path data is generated, and the Diamond structure and the Gyroid structure are synchronously formed in the same forming cycle by using a preset additive manufacturing process, and the construction of the TPMS fusion structure is completed. The present application can ensure geometric continuity and channel communication while improving forming precision and performance, thereby meeting the demand of lightweight and functional integration of the heat insulation structure of an aero-engine.

Material processing composites, devices, methods of use, and methods of manufacturing using composites having three-dimensional interpenetrating channels separated by porous walls. Such composites include composites having a first flow channel and a second flow channel defined and separated by porous (e.g., nanoporous) walls, wherein the first flow channel and the second flow channels have a three-dimensional interpenetrating structure. The first flow channel and the second flow channel may have a triply periodic minimal surface structure, such as a gyroid or Schwartz surface structure. In some embodiments, the composite is configured for use in hemofiltration, molecular filtration, gas purification, energy storage, or chemical conversion.

The invention discloses a preparation method of a porous composite material based on hydroxyapatite, magnesium oxide and tannic acid, which comprises the following steps: by taking polyethylene glycol diacrylate as a photo-crosslinking monomer and diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide as a photoinitiator, carrying out a hydrothermal reaction to prepare the porous composite material based on hydroxyapatite, magnesium oxide and tannic acid. Nano hydroxyapatite, nano magnesium oxide and tannic acid are uniformly dispersed in a monomer solution to form photocuring slurry, and the photocuring slurry is formed under ultraviolet light through a photocuring 3D printing technology. Wherein the nano hydroxyapatite provides osteoconductivity, the nano magnesium oxide releases magnesium ions to promote osteoblast differentiation, and the tannic acid endows the material with antibacterial and anti-inflammatory properties; according to the composite material bone scaffold, a Gyandroid structure in a three-period extremely small curved surface is adopted as a scaffold structure, and the structure is combined with the functional synergistic effect of all components, so that the prepared composite material bone scaffold has high porosity, excellent compressive strength, remarkable biological activity and active antibacterial and anti-inflammatory capacity at the same time, and repair and regeneration of bone tissues can be effectively promoted.

The invention discloses an anti-impact protection structure formed based on additive manufacturing. The anti-impact protection structure comprises an inner core structure and a sealing layer, wherein the inner core structure is formed by combining a plurality of Gyandroid unit structures, and the periphery of the inner core structure is wrapped with the sealing layer. The Gyandroid unit structure is provided with two flow channels which are not communicated with each other; the corresponding runners of the two adjacent Gyandroid unit structures of the inner core structure are communicated with each other; at least one flow channel of the inner core structure is filled with fluid; and corresponding filling ports are respectively reserved at corresponding positions on the sealing layer for the two runners. The method has the advantages that through the topological interpenetration design of the Gyandroid structure and the Kagome structure, the flow channel of the Gyandroid structure is filled with the fluid with pressure, and therefore the method has the excellent performance of bearing high-strength and high-speed impact.

The utility model discloses a portable limb stretching belt for a limited space, and belongs to the technical field of training equipment. A portable limb stretching belt used in a limited space comprises at least one group of elastic belts and further comprises a retaining plate, the retaining plate is provided with a long face and a short face, the long face and the short face are coupled through a transition face, and one end of each elastic belt is fixedly connected to the outer wall of the retaining plate; the holding rod is of a rotary body columnar structure, a fixing ring is fixedly arranged on the outer wall of the protective sleeve, and the free end of the elastic band penetrates through the fixing ring and is detachably connected with the fixed end of the elastic band through a first hook-and-loop fastener; the fixed end of the elastic band is fixed on the retaining plate, the free end of the elastic band penetrates through the fixing ring, then the elastic band is turned over and is fixedly connected with the elastic band through the first hook-and-loop fastener, finally, the holding rod is held, the palm curls towards the inner side of the arm, and under the action of the pulling force of the elastic band, the wrist is exercised. The elastic force is adjusted by adjusting the length of the elastic belt, and the device is suitable for exercises under different pulling forces.