30results about How to "Delivery barrier" patented technology

The invention provides a static chuck. The static chuck comprises a chuck used for carrying a processed workpiece and a pedestal. A heat insulation component is arranged between the chuck and the pedestal. The heat insulation component comprises an upper ring plate, a lower ring plate and an expansion heat insulation ring. The upper ring plate and the lower ring plate are closed annular structure components and are arranged oppositely. The expansion heat insulation ring is a closed annular thin wall structure component and is arranged between the upper ring plate and the lower ring plate. Two end portions of the expansion heat insulation ring form sealed fixing with the upper ring plate and the lower ring plate respectively. The static chuck possesses a good heat insulation effect and can heat uniformly so that heating efficiency and heating uniformity of a plasma processing equipment are increased. Besides, the static chuck is convenient to be processed and replaced so that usage cost of the static chuck is reduced.

The invention discloses a seasonal type heat storage functional heat supply wall body. The seasonal type heat storage functional heat supply wall body comprises an upper positioning slot, a lower positioning slot, a thermal insulation layer, an energy storage layer, a capillary tube mesh layer, a heat insulating layer, a metal foam layer, a thermal insulation water tank, a micro computer and the like, wherein the thermal insulation layer comprises a thermal insulation sheet, a thermal insulation layer rolling shaft and a thermal insulation layer electric device; the energy storage layer comprises a phase-change heat storage block and a brick body with holes; the capillary tube mesh layer comprises a water separating trunk tube, a water collecting trunk tube, a capillary tube, a positioninghole frame and a positioning strip, the water separating trunk tube, the water collecting trunk tube and the capillary tube are connected in an intercalation mode; the water separating trunk tube isconnected with a water inlet tube, and communicates with the thermal insulation water tank; the water collecting trunk tube is connected to a water outlet tube; a temperature sensor and an electric heater are arranged in the thermal insulation water tank; and the heat insulating layer comprises a heat insulating sheet, a heat insulating layer reel and a heat insulating layer electric device. The seasonal type heat storage functional heat supply wall body realizes heat storage in sum and heat release and supply in winter through the thermal insulation layer, the energy storage layer, the capillary tube mesh layer, the heat insulating layer and the metal-foam layer, realizes automatic control on different working conditions, and integrates heat supply stability and comfort.

The invention relates to a stern bearing pouring damping device and its reparation method, and belongs to the technical field of a ship damping device. An outer bush in the damping device sleeves to an inner bush, one end is provided with a flange; a pouring body is poured and solidified between the inner and outer bushes; the damping device is installed between a stern bearing propeller boss anda stern bearing; the damping device is connected with the stern bearing propeller boss and the stern bearing through a bolt; the materials of the inner and outer bushes are consistent with that of thestern bearing propeller boss; the pouring body material is an epoxy pouring material; after curing, the tensile strength is not less than 34 MPa, and compression strength is not less than 100 MPa; the notch-free impact intensity of a cantilever beam is not less than 1.7kJ/m2, the thermal deformation temperature is not less than 70 DEG C, and the Barcol hardness is not less than 35. The damping device is easy to dismount, overhaul and replace; the force transmissibility isolating efficiency is more than 50%. The transmission of vibration from the stern bearing to the outside of a ship body canbe effectively controlled, the low-noise shipping is realized; the stern bearing pouring damping device can be poured and processed in a factory and not influenced by environment temperature.

The invention discloses a high-overload-resistant structure protecting pressure/differential-pressure transmitters, belonging to the field of pressure/differential-pressure transmitter series products. The high-overload-resistant structure is characterized in that a central diaphragm is arranged between a positive pressure side substrate and a negative pressure side substrate; a connecting piece, a cushion block, a silicon sensor and a silicon sensor center chip are respectively fixed on the upper ends of the positive pressure side substrate and the negative pressure side substrate; the side ends, the upper ends and the lower ends, and other positions of the positive pressure side substrate and the negative pressure side substrate are provided with a plurality of positive pressure side pressure-drawing holes and negative pressure side pressure-drawing holes and silicon oil inside the pressure-drawing holes; isolation diaphragms are fixed outside the outer-end corrugated surfaces of the positive pressure side substrate and the negative pressure side substrate; and fastening screws and sealing steel balls are arranged on the lower ends of the positive pressure side substrate and the negative pressure side substrate. The structure can effectively prevent silicon sensing elements of pressure/differential-pressure transmitters from being damaged by high overload pressure. Meanwhile, the high-overload-resistant structure has the advantages of simple structure, convenient use, safe and stable work, and the like.

The invention provides a composite structure for observing fire. The composite structure comprises a containing device, a burning device and a fixing device. The containing device comprises a fuel container, a top cover and a heat insulating part. A containing part is arranged in the fuel container and connected with the top cover, a filler hole and a first positioning groove penetrate through thetop cover and communicate with the containing part, the heat insulating part is connected to the end, different from the containing part, of the top cover, a second positioning groove penetrates through the top side and the bottom side of the heat insulating part and communicates with the first positioning groove, the second end of the burning device is inserted into the containing part through the second positioning groove and the first positioning groove, and a first clamping surface and a second clamping surface correspond to and clamp the two side faces of the burning device. The composite structure for observing the fire has a good heat insulating effect, liquid-state fuel is convenient to add, and the filling degree of the liquid fuel can also be safely and easily observed.

The invention discloses a waterproof coating for the surface of wooden furniture. The waterproof coating is prepared from the following raw materials: in parts by weight, 50-60 parts of a modified styrene-acrylic emulsion, 4-6 parts of inorganic filler, 0.8-1 part of a flame retardant, 1-2 parts of a defoamer, 0.5-0.6 part of a leveling agent, 1-1.5 parts of a wetting agent and 10-14 parts of deionized water. The invention also discloses a preparation method of the waterproof coating. The modified styrene-acrylic emulsion is adopted as a film-forming material for the coating, a styrene-acrylicemulsion is modified by polysiloxane, and therefore the obtained film-forming substrate not only has excellent waterproof performance, but also has heat resistance and bacteriostasis; through addition of the flame retardant which is a compound to the coating, the flame retardant properties can be developed from gas phase dilution, catalytic carbonization and different aspects, so that the coatinghas a good effect of flame retardancy; and then the waterproof coating with flame retardancy and bacteriostasis is prepared through auxiliary preparation of other additives, and is suitable for the wooden furniture, and the service life of the wooden furniture is improved.

The invention discloses a direct exhaust and drainage structure of a rail transit vehicle. The exhaust and drainage structure comprises a vehicle body framework, side walls, a passenger room floor anda pipeline made of metal. The pipeline is provided with an upper section, a labyrinth section and a lower section; the upper section of the pipeline is arranged between the vehicle body framework andthe side wall, the lower section of the pipeline penetrates through a bottom frame of the vehicle body framework and extends to the position below a vehicle body, and the labyrinth section of the pipeline is arranged between a passenger room floor and the bottom frame of the vehicle body framework. And a heat insulation material wrapping the pipeline is filled between the passenger room floor andthe bottom frame of the vehicle body framework. The problems of fireproof safety and passenger comfort of a vehicle exhaust and drainage system are solved at the same time.

The invention provides a box-type house, and belongs to the field of architecture. The problem that an existing box-type house is uncomfortable to use is solved. The box-type house comprises a house body which is in a cuboid shape, a seal cover made of heat conduction materials is arranged on one side of the house body in a covering mode, and the seal cover is fixed to the house body and a closed air cavity is formed between the seal cover and the house body; an air hole enabling an inner cavity of the house body to communicate with the air cavity is formed in the house body, an opening and closing mechanism used for controlling the air hole to be blocked or opened is arranged at the air hole, and a box body is fixed to the outer side of the seal cover; and the box body, the air cavity and the air hole are distributed in the length direction of the house body, the top of the box body is open, a drain hole is formed in the bottom of the box body in a penetrating mode, and a water holding blanket and a soil layer spread on the water holding blanket and used for planting climbing plants are spread in the box body. The box-type house has the advantage of being comfortable to use.

The invention discloses a heat flow meter air outlet end universal conversion anti-frosting system connector and a heat flow meter, the connector comprises a universal converter main shaft rotatably mounted on a heat flow meter platform, and the universal converter main shaft comprises a main shaft gas channel and a main shaft wall forming the main shaft gas channel; the input end of the main shaft gas channel is communicated with the extension end of a first branch gas path mounted in the inner cavity of the heat flow meter; the main shaft gas channel is communicated with the main shaft wall, the output connecting gas channel is communicated with the output end of the main shaft gas channel, N heat preservation cavities surrounding the main shaft gas channel are arranged in the main shaft wall, and N is a positive integer; the universal conversion anti-frosting system connector for the air outlet end of the heat flow meter and the heat flow meter can output air flow with stable temperature to a sealed experiment environment.

The invention provides a heat insulation plate for a wall body. The heat insulation plate for the wall body comprises a first layer plate, a second layer plate, a third layer plate and a heat conduction assembly, wherein the first layer plate is arranged on the outer surface of the wall body; the second layer plate is arranged at the side, far away from the wall body, of the first layer plate; a liquid-storage groove is formed between the second layer plate and the first layer plate; the third layer plate is arranged at the side, far away from the wall body, of the second layer plate; a cavityis formed between the third layer plate and the second layer plate; and the heat conduction assembly is connected with the third layer plate and the second layer plate. The heat insulation plate forthe wall body has the advantages that through the arrangement of the heat conduction assembly, heat is transferred into the heat insulation plate; through the arrangement of the second layer plate andthe third layer plate, heat at the daytime can be effectively prevented from being transferred to an indoor position; through the arrangement of the cavity, outdoor low temperature is effectively prevented from being transferred to the indoor position, and the heat is stored in the heat insulation plate; according to a heat transfer rule, at night, the heat in the heat insulation plate is transferred to the indoor position, so that the indoor temperature is raised; heat energy at the daytime can be effectively stored to be used at night for raising the temperature; meanwhile, excessive heat can also be prevented from being transferred into the indoor position at the daytime in summer; and the heat insulation effect is effectively improved.

The invention discloses a novel printing head for a 3D printer. The novel printing head comprises a heat dissipation assembly, a throat pipe, a heating assembly and a nozzle, the upper end of the throat pipe is connected with a feeding channel of the heat dissipation assembly, the lower end of the throat pipe is connected with the nozzle, the bottom of the nozzle is located below the heating assembly, connecting columns are arranged between the heat dissipation assembly and the heating assembly, the heat dissipation assembly and the heating assembly are connected through the connecting columns, and the outer sides of the connecting columns are sleeved with heat insulation sleeves. According to the printing head, heat transfer between the heating assembly and the heat dissipation assembly can be well blocked, and the influence on the heat dissipation effect of the heat dissipation assembly is reduced.

The invention provides a high-temperature-resistant release film which comprises a base layer, a release agent coating is arranged on one side of the base layer, a heat insulation layer is arranged onthe other side of the base layer, a heat reflection layer is arranged on the side, deviating from the base layer, of the heat insulation layer, a flame-retardant layer is arranged on the side, deviating from the heat insulation layer, of the heat reflection layer, a vacuum interlayer is arranged in the heat insulation layer, the surface layer of the release film is not prone to combustion and hascertain flame retardance, the release film has high heat resistance by means of heat reflection and heat isolation, heat transfer from one side to the other side can be effectively controlled and reduced, and a film-coated product is effectively protected.