636 results about "Heat shield" patented technology

The invention discloses an anti-oxidation and anti-scouring heat prevention and insulation composite material, a preparation method and application, and belongs to the technical field of high-temperature thermal protection materials. According to the method, a two-step in-situ modification method is adopted, hydrolyzed organosilane reacts with phenolic resin to prepare silicon modified phenolic resin, then the silicon modified phenolic resin is bonded with an organoboron compound to obtain boron-silicon co-modified phenolic resin, a curing agent is added, then the boron-silicon co-modified phenolic resin is injected into a fiber reinforcement mold, and a finished product is obtained through a sol-gel reaction and normal-pressure drying. According to the invention, boron and silicon elements are embedded into phenolic aldehyde molecular chains through covalent bonds to form a boron-silicon-carbon hybrid network, a nano ceramic phase and a compact glassy protective layer are generated at high temperature, and the coating has excellent anti-scouring property, thermal stability and heat insulation property. The preparation process is simple and controllable, is suitable for large-scale production, can accurately regulate and control the performance, and is suitable for thermal protection parts of supersonic aircrafts.

A printing device 11 includes a printing section 16 that performs printing by ejecting a liquid onto a transported medium 99, a support section 21 facing the printing section and having a support surface 22 for supporting the medium, a holding section 26 for holding the medium spanning across from the support section, a heating section 31 that is located downstream of the support section in the transport direction of the medium and that heats the printed medium, and a heat shield section 41 facing the heating section, wherein the heat shield section has a facing surface 43 that faces the heating section and that is separated from the medium extending across from the support section to the holding section, and a protruding section 46 that protrudes from the facing surface toward the heating section at an end portion on a downstream side in the transport direction.

Embodiments include thermal covers to help drain fluids away from dangerous environments, e.g., in an engine bay in a vehicle. Thermal covers can comprise a hat portion extending between two distal edges, support straps beneath the hat portion and extending between the distal edges, and thermal insulation disposed between the hat portion and the support straps. These can be coupled to the floor so as to allow space below for the flow of fluid. This allows the fluid to flow to holes in the floor of the engine bay, allowing the fluid (which could be flammable) to be drained away from potentially dangerous environments in the engine bay which may involve high temperatures.

The present disclosure provides a connector assembly comprising a shielding cage and a liquid cooling cabin. The shielding cage has an insertion space and a window in communication with the insertion space. The liquid cooling cabin is configured to allow a cooling liquid to circulate and flow inside, the liquid cooling cabin comprises a shell having an opening, a thermal coupling cover provided at the opening of the shell, and an elastic sealing unit sealing a gap between the thermal coupling cover and the shell, the thermal coupling cover having a thermal coupling plate entering into the insertion space via the window of the shielding cage, the thermal coupling plate being capable of elastically moving in a direction close to the shell and elastically restoring in a direction away from the shell by a function of the elastic sealing unit.

The invention discloses a halogen-free low-smoke flame-retardant polyolefin cable which comprises a composite cable core, a first flame-retardant wrapping tape layer, an inner sheath, a second flame-retardant wrapping tape layer, a waterproof layer, a metal sheath layer and an outer sheath which are sequentially arranged from inside to outside. The outer sheath is made of a ceramic polyolefin material which is extruded and covered on the metal sheath layer. According to the low-smoke halogen-free cable, the ceramic polyolefin outer sheath is introduced into the cable structure, so that the problems of sheath softening, insulating layer stripping, structure collapse and the like of a traditional low-smoke halogen-free cable during high-temperature combustion are effectively solved. The ceramic polyolefin material can be converted into a compact ceramic layer under the action of flame to form a firm heat insulation barrier, so that the integral structure of the cable is kept complete, flame spreading and conductor short circuit are prevented, and the fire resistance and continuous power supply performance are remarkably improved.

A turbocharger heat management structure relates to the technical field of internal combustion engine supercharging devices and comprises a radial flow turbine, a centrifugal compressor and a bearing system which are connected, and the heat management structure is arranged between the radial flow turbine and the bearing system. The heat management structure comprises a first heat insulation cover, a second heat insulation cover and a third heat insulation cover which are in a revolving body metal sheet shape and arranged at the turbine back disc, a first heat insulation cavity is formed between the first heat insulation cover and the second heat insulation cover, a second heat insulation cavity is formed between the second heat insulation cover and the third heat insulation cover, and a third heat insulation cavity is formed between the third heat insulation cover and the annular cooling groove. The first heat insulation cavity communicates with a gap in the turbine back disc, and the third heat insulation cavity is connected with a cold air hole. The third heat insulation cavity, the second heat insulation cavity and the first heat insulation cavity are sequentially communicated through an air guide structure. On the premise that the weight and the size are not greatly increased, the heat insulation efficiency is greatly improved, and the purpose of actively and efficiently cooling a key area is achieved.

The refrigerant circuit for hydrocarbon refrigerants is isolated from heat-generating elements within the vehicle body. [Solution] The on-board air conditioning system comprises a refrigerant circuit R and first and second coolant circuits C1 and C2. The refrigerant circuit R has a compressor 20, a condenser for heat dissipation, an expansion valve 24a, and an evaporator for heat absorption, through which a hydrocarbon refrigerant circulates. A first heat exchanger 30 is integrally configured with the condenser of the refrigerant circuit R and transfers heat from the refrigerant in the condenser to the coolant of the first coolant circuit C1. The first coolant circuit C1 has a radiator. A second heat exchanger 40 is integrally configured with the evaporator of the refrigerant circuit R and cools the coolant of the second coolant circuit C2 with the refrigerant in the evaporator. The second coolant circuit C2 has a cooler core located in the air conditioning unit. The on-board air conditioning system comprises a heat shield plate 100 positioned between the refrigerant circuit R and the first and second heat exchangers 30 and 40 and a heat-generating element 14 mounted on the vehicle.

An actively-cooled heat shield system includes a heat shield, a tank, a pump, a heat exchanger, and a turbine. The heat shield defines a windward side of a vehicle. The tank stores a coolant. The pump receives the coolant from the tank and outputs a pressurized coolant. The heat exchanger is integrally connected with the heat shield. The heat exchanger receives the pressurized coolant from the pump, transfers heat from the heat shield to the pressurized coolant to generate a heated fluid, and outputs the heated fluid. The turbine includes an inlet, a shaft, and an outlet. The inlet receives the heated fluid output from the heat exchanger. The shaft is coupled to the pump and includes turbine blades. The shaft rotates and powers the pump when the heated fluid received from the heat exchanger acts on the turbine blades. The outlet outputs the heated fluid.

A battery cell having a can including a bottom member and a sidewall member, and a cap covering an opening of the can, and an electrode assembly accommodated inside the can is provided. A current collection plate is connected to an electrode tab provided at an open end of the can located at an axial side of the electrode assembly. The current collection plate includes an electrode tab connection portion that electrically connects to the electrode tab. A can connection portion is provided outside the electrode tab connection portion in a radial direction that electrically connects to the can. A conductive connection portion electrically connects the can connection portion and the electrode tab connection portion. A periphery the sidewall member and the cap are seam-welded along a peripheral direction, and part of an insulating member is interposed between the current collection plate and the electrode assembly in the axial direction.

The present application relates to a kind of double-layer cable protection sleeve and its preparation method and application, the double-layer cable protection sleeve includes gas production inner layer and carbon formation outer layer;The gas production inner layer includes resin matrix A, metal hydrate flame retardant and sheet nano filler A;The carbon formation outer layer includes resin matrix B, intumescent flame retardant and sheet nano filler B.The present application is structured and formula design to cable protection sleeve, utilize the difference of two layers of material decomposition temperature realizes combustion timing cooperation, to dynamically construct thick porous heat shield, solve the problem that traditional single-layer high filling flame-retardant sheath carbon layer is easy to peel off, gas dissipation direction is uncontrollable, and the problem of low flame-retardant efficiency, realizes the self-reinforced flame-retardant protection of combustion trigger type under the premise of not relying on superhigh filling amount.

A thin film deposition apparatus includes: a chamber configured to process a plurality of substrates; a plurality of heater members disposed to correspond to the substrates to heat the substrates, respectively; a plurality of lift pins configured to support lower surfaces of the substrates while elevating through the heater members, respectively; a plurality of heat shield plates, having a heat shield function between the heater members, on which lower ends of the lift pins are configured to be seated; and a plurality of support columns coupled with and supporting the heater members.

The invention relates to concrete cyclic heating and curing equipment for construction in alpine regions, which belongs to the concrete curing technology and comprises a movable mounting seat, a walking driving component and a connecting top plate, an extending top plate is arranged at the top of the movable mounting seat, a lifting adjusting component and U-shaped connecting blocks are mounted on the extending top plate, and a telescopic heat shield is fixed between the two U-shaped connecting blocks. The telescopic heat insulation cover can be driven to move up and down by controlling the lifting adjusting assembly, the sealing performance of the position to be maintained is guaranteed, folding is convenient, the walking driving assembly can pull the telescopic heat insulation cover to be unfolded or folded, and the sweeping brush roller is installed on the outer wall of the movable installation base and connected with the walking driving assembly through the reverse driving type connecting assembly. A steam generator is installed on the connecting top plate, a synchronous blowing type air inlet assembly is arranged at one end of the telescopic heat insulation cover, a temperature sensor is arranged at the other end of the telescopic heat insulation cover, steam circulation heating can be achieved, the maintenance temperature is kept within a certain range, and the maintenance efficiency and quality are guaranteed.

The invention relates to the technical field of gas plectrum bearing test appliances, in particular to a technical platform of a gas plectrum bearing test rotor system. The device comprises a basic platform, a balance tire, a turbine shaft, a heat insulation cover, a shaft turbine end positioning accessory, a bearing sleeve set assembly, a shaft pressure end part assembly and an air cylinder. The balance tire is fixedly arranged on the basic platform, and an air inlet is formed below the balance tire; the turbine shaft is installed on the balance tire in an interference fit mode, and the turbine shaft is sequentially sleeved with the heat insulation cover, the shaft turbine end positioning accessory and the bearing sleeve set assembly. The bearing sleeve group is connected with the shaft pressure end part assembly through a pin; an air cylinder is assembled at the rear end of the bearing end part assembly; and a dynamic pressure gas thrust bearing for testing is arranged on the axial pressure end part assembly. According to the technical scheme, the problems of low maximum rotating speed, poor stability and the like of a gas foil bearing technical test platform in the prior art are solved.

A dynamic measurement device and method for thermal conductivity under high-temperature conditions are provided. The dynamic measurement device for thermal conductivity under high-temperature conditions includes: a furnace body; an insulation layer located inside the furnace body; a sample sleeve assembly for mounting the sample pan and forming a uniform temperature surface, the sample sleeve assembly including a heat shield plate for mounting to one axial end of the sample pan; a heating assembly including heating units located within the insulation layer, with heating units at both ends of the sample sleeve assembly, the heat shield plate located between the sample pan and one of the heating units, the two heating assemblies being independently controlled and having adjustable power; and temperature probes located at both ends of the furnace body. The insulation layer and heating assembly have optical paths that avoid the detection path of the temperature probes. This ensures that the heating assemblies at both ends of the sample sleeve assembly can provide sufficient heating power, which is beneficial for forming a uniform temperature field. The heat shield plate at only one end facilitates temperature rise control only at a single axial end.

The invention relates to the technical field of high-temperature magnetic pumps, in particular to a heat insulation and cooling structure of a high-temperature magnetic pump, which comprises a magnetic pump, one end of the magnetic pump is in transmission connection with a first motor through a coupler, cooling fins are arranged on the outer side wall of the first motor in a surrounding manner, and a first mounting frame is fixedly mounted on the first motor; a heat insulation cover is fixedly installed on the first installation frame, a second installation frame is fixedly installed on the inner wall of the heat insulation cover, a second motor is fixedly installed on the second installation frame, a first transmission wheel is fixedly installed at the output end of the second motor through a coupler, and passive heat dissipation of the foundation is achieved through cooling fins on the outer wall of the first motor. A second motor drives a first fan blade to form cross ventilation to take away hot air of the cooling fins and further drives a transmission assembly to enable an annular block to rotate, and then a smearing piece is attached to the cooling fins to evenly smear alcohol; alcohol heat absorption volatilization cooperates with cross ventilation, the heat dissipation rate is increased, motor overheating is prevented, and stable operation of the magnetic drive pump is guaranteed.

The utility model relates to a connecting structure of a water-cooled heat shield and a single crystal furnace, the connecting structure of the water-cooled heat shield is applied to the water-cooled heat shield, and the connecting structure comprises a fixed seat, a first connecting piece and a second connecting piece, the second seat is arranged on one side of the first seat, and the second seat can move relative to the first seat, so that a size-adjustable moving space is formed between the second seat and the first seat; the movable seat is used for being connected with a connecting rod of the water-cooled heat shield, the movable seat and the connecting rod are relatively fixed, the movable seat is located in the movable space, and the movable seat at least forms a first state and a second state through adjustment of the fixed seat: in the first state, the first seat and the second seat are close to each other to clamp the movable seat so as to fix the movable seat; and in the second state, the first seat and the second seat are far away from each other, so that the movable seat can move in the movable space. The technical problem that the water-cooled heat shield is difficult to center is solved, and the technical effect of improving the centering performance of the water-cooled heat shield is achieved.

The invention relates to a wheel protection device (100), comprising a tire sidewall protection device (110) including: a shield (112) having an annular shape; a ring (114) having an axis (B) and being integral with the shield and comprising: a connecting portion (114a) for the integral connection of the ring to the shield; a fastening portion (114b) for attaching to a wheel rim; According to the invention, the protection device further includes a removable heat shield (126) and a fastening device (122) for removably attaching the heat shield to the tire sidewall protection device. Figure 1

The utility model discloses a kind of heat insulation protection structures for hot dental adhesive filling machine, belong to medical instrument technical field.A kind of heat insulation protection structure for hot dental adhesive filling machine, it is characterized in that, including conical heat shield and semicircular cylinder silver needle protection cover;The front and rear ends of heat shield are both open, heat shield is sleeved on the head end of hot dental adhesive filling machine;Two annular snap rings are provided in heat shield, under the support of two snap rings, heat shield outer wall and the outer wall of hot dental adhesive filling machine are separated;Silver needle protection cover is sleeved on heat shield, and silver needle protection cover length is greater than heat shield;Two semicircular annular clamping grooves are provided on the inner wall of silver needle protection cover, and heat shield is clamped by two clamping grooves;Silver needle protection cover head end extends forward and is provided with vertical baffle, baffle is located in the front of hot dental adhesive filling machine head end, and baffle is used to protect silver needle.

The application discloses a fire-fighting reconnaissance unmanned plane with a heat protection cover and relates to the technical field of fire-fighting unmanned planes. The fire-fighting reconnaissance unmanned plane with the heat protection cover comprises a support, a heat protection mechanism, a connecting rod, a detection mechanism, a static mechanism, a second motor shell and a rotor. The heat protection mechanism is fixedly connected to the top of the support. The heat protection mechanism is provided. The first air bag is inflated and deflated. The heat protection mechanism has the dual functions of a self-adaptive clamp and an intelligent buffer. The heat protection mechanism realizes the leap from static protection to dynamic intelligent adaptation, improves the task flexibility and survival ability in an extreme fire environment, and sets the detection mechanism. Through cooperation of a miniature ultrasonic probe and a laser vibration meter, the heat protection mechanism breaks through the limitation of traditional unmanned planes which only make external observation or single detection and realizes diagnosis of the internal health state of a building structure in an extreme fire environment, thereby forming a complete intelligent evaluation closed loop of discovery, locking and diagnosis.

The present invention provides a protective cover that is cantilevered and can suppress damage caused by localized stress concentration due to bending loads. [Solution] The heat shield member 70 is used to protect the constant velocity joint 40 extending in the direction of the axis C, and is made of a plate-like body and is L-shaped with two tip portions 74 and 76 when unfolded in a direction perpendicular to the thickness direction of the plate-like body. (a) The two tip portions 74 and 76 of the heat shield member 70 are provided with fastening portions 84 and 86, each having a fastening hole, and (b) the heat shield member 70 is attached to the transfer 26 in a cantilevered manner by fastening the fastening portions 84 and 86, respectively, and (c) the edge end portion 70e1 on the cantilevered side of the heat shield member 70 is provided with a notch 78 to suppress localized stress concentration due to bending load F generated in a cross section S perpendicular to the straight line L connecting the fastening portions 84 and 86, respectively.

This utility model discloses a heat insulation device for engine exhaust pipes, comprising: a flexible aluminum foil plate, a waterproof plate fixedly connected to the outer side of the flexible aluminum foil plate, a stainless steel mesh plate fixedly connected to the outer side of the waterproof plate, a plurality of ring-shaped fixing discs fixedly connected to the outer side of the stainless steel mesh plate, a plurality of evenly distributed fixing blocks fixedly connected to the lower end of the stainless steel mesh plate, and elastic tubes fixedly connected to the side walls of the plurality of fixing blocks. This utility model, by incorporating components such as the flexible aluminum foil plate and the anti-wear frame, consists of a multi-layered structure including the flexible aluminum foil plate, the waterproof plate, and the stainless steel mesh plate. The multi-layered structure works together to enhance the overall heat insulation effect. The hooks can be secured inside the fixing disc slots at different positions. This design facilitates the wrapping of exhaust pipes of different diameters, improving the versatility and adaptability of the device, and meeting the usage requirements of various engine models.

The invention relates to the technical field of composite material preparation, and particularly provides a preparation method of a heat shield support, which comprises the following steps: preparing a prepreg by using a carbon fiber reinforced phthalonitrile resin composite material, cutting the prepreg according to the heat shield support to form a net size sample plate material, and manufacturing a forming mold of the heat shield support, a limiting device can be used for limiting a mold closing gap of a split female mold, a net-size sample plate material is laid at the position of a male mold cavity of a forming mold, the forming mold is subjected to cold mold closing, meanwhile, the limiting device is used for limiting the mold closing gap of the split female mold, the forming mold subjected to cold mold closing is heated and subjected to heat preservation, and after the limiting device is detached, heat mold closing operation is conducted on the forming mold. And demolding after curing. According to the method, in the forming process, a cold closing mold limiting device and a pressurization conversion device are additionally arranged, rapid pressurization of a heat closing mold is achieved, the problems that resin viscosity is low and a process window is narrow are solved, and the high-temperature-resistant heat shield support high in size precision and free of internal quality defects is manufactured.

The present application relates to a kind of nuclear power plant surge line nozzle heat shield sleeve structure and system, comprising: support ring, fluid distribution cover, heat shield sleeve, nuclear power plant surge line nozzle and cladding layer.The nuclear power plant surge line nozzle heat shield sleeve structure and system described above when actually used, through the one end of support ring and the cladding layer of surge line nozzle connection, the other end and fluid distribution cover connection, the one end of heat shield sleeve is inserted into support ring and is connected with support ring, to form gap between the other end of heat shield sleeve and the safety end of surge line nozzle, radioactive particles generated in the annular space between heat shield sleeve and surge line nozzle during reactor operation can be discharged from the gap, thereby avoiding the difficulty and cost of in-service inspection caused by the fact that the safety end of heat shield sleeve surge line nozzle forms a sealed space, so that the risk of high radiation faced by inspection and maintenance personnel is reduced.

The utility model discloses a kind of cathode heater subassemblies for klystron electron gun, it is characterized in that, including: cathode base, heater sleeve, heater and detachable heat shield assembly, the upper and lower two end surfaces of cathode base are respectively provided with emitting surface and mounting groove, heater sleeve is detachably fixed in mounting groove, and the end surface of heater sleeve back to cathode base is equipped with accommodating groove;Heater is installed in accommodating groove, and the part of heater in accommodating groove is wrapped with insulating layer;Heat shield assembly includes outer heat shield and inner heat shield, outer heat shield is sleeved in cathode base, and inner heat shield is installed in outer heat shield and covers heater sleeve and heater.The utility model can realize reversibility dismounting and maintenance, and heater material volatilization can be avoided directly deposited on the emitting surface of cathode base, help to maintain the emitting surface cleanliness of cathode base, to improve electron emission efficiency, high-temperature solder can also be reduced in use, reduce cost.

The invention relates to a rocket stove (R) with a chimney (1), wherein the chimney (1) has a heat outlet (32) at one end and a mounting area (15) at the other end, wherein a fuel supply (2) is provided and in the operating position the fuel supply (2) is arranged at an angle to the chimney (1), wherein a fire grate (5) is arranged in a chimney interior, wherein the fire grate (5) is arranged between the fuel supply (2) and the mounting area (15), wherein an ash drawer (4) is arranged between the fire grate (5) and the mounting area (15), wherein the fire grate (5) has a heat shield (8) on the other side of the ash drawer (4).

The utility model relates to the field of kitchen utensils, and particularly discloses a pot support and a kitchen range. The pot support comprises a plate rack, foot pieces and a heat insulation cover; the foot sheet is connected to the tray frame and supports the tray frame; the tray frame comprises a tray surface and a first peripheral wall surrounding the periphery of the tray surface; the heat insulation cover is of a frame-shaped structure and comprises a second peripheral wall. The heat insulation cover is detachably arranged on the plate frame in a sleeving mode, so that a preset distance is formed between the first peripheral wall and the second peripheral wall. The detachable heat insulation cover is arranged on the plate frame in a sleeving mode, the heat insulation layer formed by the gap between the first peripheral wall and the second peripheral wall is additionally arranged in the pot support, the heat efficiency is improved, a user can take down the heat insulation cover to be cleaned, and the pot support is kept clean.

The invention is suitable for the technical field of extrusion injection molding, and provides a production control system based on an automobile heat insulation sheath, which comprises an extrusion molding assembly, and a feeding assembly is fixed at the material conveying end of the extrusion molding assembly; the feeding assembly comprises a material storage part fixed to the extrusion forming assembly in an inserted connection mode, a rotating part rotationally matched with the material storage part, a pushing part fixed to the material storage part in an inserted connection mode and a sliding part slidably matched with the pushing part. The moisture absorption of the raw material particles is achieved, in the forming process, water is subjected to injection forming along with melting of the raw material particles, but the water in the raw material particles can be vaporized at high temperature, bubbles are easily generated in the automobile heat insulation sheath in the forming process, and dents appear on the surface of the automobile heat insulation sheath; therefore, the technical problems are solved, and the technical effect that the raw material particles can be fully dried and preheated is achieved.

The invention relates to the field of cold atom physical precision experiments, in particular to a high-collimation and low-power-consumption stable atomic furnace. Comprising a heat shielding cover, a transmitting tube is installed at the bottom of the heat shielding cover, one end of the transmitting tube located in a cavity is connected with a collimator through a connecting piece II, the outer side of the collimator is wound with a heating wire II, and the upper end of the collimator is connected with an atomic container; the outer sides of the atom container, the collimator and the connecting piece II are jointly sleeved with a heating layer, and a heating wire I is wound on the outer wall of the heating layer; three shielding layers are sequentially arranged in a cavity between the heating layer and the heat shielding cover from inside to outside; according to the invention, the atomic flux is ensured, the divergence angle and speed distribution of the emitted atoms are enabled to be within the capture range of the magneto-optical trap to a large extent, and the collimation of the atomic furnace is improved; the design of three heat shielding layers and the heat shielding cover is adopted, high polishing treatment is carried out on the heat shielding layers and the heat shielding cover, heat loss is reduced, temperature fluctuation stability is improved, power consumption is reduced, and stability is improved.

The invention belongs to the field of aero-engine rotor design, and provides an aero-engine two-dimensional thrust vectoring nozzle heat shield fixing and restraining structure which adopts a high-flexibility space curve notch design to actively control the rigidity of two dimensions of a bolt so as to release thermal deformation and avoid thermal damage to the structure caused by local overlarge thermal stress. And meanwhile, the material characteristics of metal rubber are used for improving the vibration absorption capacity of the aero-engine fixing and restraining structure, the problem that the vibration reduction capacity of an existing connecting structure is insufficient under airflow pulsation excitation is solved, and meanwhile the pulsation frequency band in the engine working condition is widened.

A system for transporting radioactive materials which may include a containment vessel, a thermal shield, and an impact limiter. The containment vessel may include a vessel body having a storage cavity for receiving radioactive materials, a lid coupled to an upper portion of the vessel body to enclose a top end of the storage cavity, and a lid seal such as a gasket positioned between the lid and the upper portion of the vessel body. The thermal shield may be positioned over the lid. The first impact limiter may be positioned over the thermal shield. The thermal shield may be resistant to high temperatures and may help to protect the integrity of the lid seal when the system is subjected to high temperatures, such as during a fire condition.