101results about How to "Avoid air gap" patented technology

An electro-optical display device with a transparent cover and a display, a transparent bonding material being present between the electro-optical display and the transparent cover, the transparent cover being part of a tray, the sides of the tray being designed as a frame, the lateral surfaces of the electro-optical display being surrounded by the frame in a form-fitting manner and the electro-optical display being connected to the frame.

A wind turbine having at least a blade comprising a first component (11) having an aerodynamic profile with a leading edge, a trailing edge and suction and pressure sides between the leading edge and the trailing edge, and a second component (13), attached to the trailing edge and / or to the leading edge of the first component (11) in at least a part of the blade, comprising an upwards and / or downwards deflectable flap (15) that allows changing the flow over the blade, in which the means for deflecting the flap (15) are fluid inflatable means (23) placed in a flap inner chamber (25) close to the first component (11) and in which the wind turbine comprises means for controlling said inflatable means (23) depending on the wind situation and / or the blade loads.

Provided is a keypad assembly used as a data input unit in various electronic devices. The keypad assembly includes a main board having one or more metal domes formed at predetermined positions on the main board, and a keypad disposed on the main board to apply a pressure on the metal dome and to be used as a touchpad according to a mode selection, the keypad includes a keytop layer having one or more keytops on which corresponding alphanumeric characters are formed, a touchpad layer disposed under the keytop layer; and a base layer disposed under the touchpad layer, and having one or more protrusions protruding from its bottom surface at the positions corresponding to the metal dome.

A lid for forming an airtight seal to a bowl or dish plate to elongate the life of product therein comprises an impermeable membrane having an outer perimeter larger than the rim of the container and an enforcement ring for enabling the formation of an airtight seal between the membrane and rim of the container under vacuum. The membrane is sufficiently soft to cause it to fill the lower sections or imperfections on the rim, thus enabling the lid to form an airtight seal to almost all household containers. The membrane may be adapted to have sufficient low tensile stress, thereby preventing the vacuum in the container from imploding or collapsing the container even if it has a thin or weak wall. The enforcement ring has vertical and horizontal rings connected to the membrane perimeter to prevent the membrane deformation at both vertical and horizontal directions. The lid may further comprise an air evacuation passageway having an air collection chamber for extracting air from the container and a valve for allowing air to flow out of the container but preventing air from entering. In use, the lid may be sealed to a container by simply pushing the membrane into the container and releasing the membrane to generate a vacuum to affix the membrane to the container, or may be sealed to a container by connecting a vacuum generator to the evacuation passageway to evacuate the container.

Methods of bonding glass and silicon-containing articles are disclosed. Bonding is achieved without use of adhesives or high temperature fusion. A wide variety of glass and silicon-containing articles may be bonded by the methods of the invention.

An electro-optical display device with a transparent cover and a display, a transparent bonding material being present between the electro-optical display and the transparent cover, the transparent cover being part of a tray, the sides of the tray being designed as a frame, the lateral surfaces of the electro-optical display being surrounded by the frame in a form-fitting manner and the electro-optical display being connected to the frame.

The invention provides an image forming apparatus that, even when a downward transfer method is adopted, can prevent a toner in a cleaning device from excessively charging and an air gap from occurring, and thereby can effectively suppress occurrence of black spots due to a leakage current from the cleaning device, and an image forming method therewith. Provided are an image forming apparatus includes a latent image carrier for transferring a toner carried on a surface thereof from downward to a transfer body; and a cleaning device provided with a rotation member for cleaning the surface of the latent image carrier, a resistance of an elastic layer formed on an outer periphery part of the rotation member being set to a value in the range of 1×102 to 1×107Ω, and an image forming method.

Disclosed herein is a display device including a display unit, a cover glass protecting the display unit, an optical layer disposed on a back surface of the display unit to form a first air gap, an optical sensor disposed on a back surface of the optical layer to form a second air gap, the optical sensor being mounted on the base substrate, a first spacer positioned between the optical layer and the display unit and arranged around the first air gap, a first sealant applied in a paste state and changed into a hard state to bond the first spacer and the display unit, a second spacer positioned between the optical sensor and the optical layer and arranged around the second air gap, and a controller configured to determine whether information collected by the optical sensor matches the fingerprint information about the user stored in a memory unit.

The invention relates to a glue-pouring machine which comprises a glue-pouring fixing rod and a glue-pouring product fixing mechanism. A glue-pouring product is provided with a glue-pouring hole; the glue-pouring machine also comprises a rotating platform; the fixing mechanism is installed on the rotating platform and is used for fixing the glue-pouring product, so that the glue-pouring hole is aligned with a rotating shaft of the rotating platform; and the rotating platform is used for driving the glue-pouring product to carry out fixed-point rotation around the glue-pouring hole. Thus, when glue is poured, colloids poured through the glue-pouring hole diffuse towards the periphery under the action of rotating centrifugal force and are gradually accumulated and encapsulated from the edge to the center (such as an axis of rotation); and by utilizing the centrifugal force, air gaps among the colloids can be effectively avoided, so that the glue is uniformly poured. The glue-pouring machine can be widely applied to glue-pouring various products glue-poured through the hole.

An improved building structure that eliminates condensation at exterior building walls, thereby preventing mold growth and avoiding the damage, environmental degradation and health problems associated with mold growth includes enveloping spaces that allow natural convection of air in exterior wall structures and roof structures. An embodiment of the building structure includes an exterior wall structure defining an air gap between insulation and exterior sheathing, a roof structure defining an air gap between thermal insulation and a roof deck, the wall air gap and roof air gap being in fluid communication, a roof vent to allow air to flow to an outside space, and an air ventilation grid at the lower end of the wall air gap. The air ventilation grid includes openings that allow air to freely enter the wall air gap and flow upwardly by natural convection into the roof air gap and out of the roof vent.

Plasma treatment apparatus and method for treatment of a surface of a substrate. A dielectric barrier discharge electrode structure is provided having a treatment space (5) and comprising a first electrode (2) and a second electrode (3), and a power supply (11) connected to the first electrode (2) and the second electrode (3) for generating an atmospheric pressure plasma in the treatment space (5). The plasma treatment apparatus further comprises a magnetic layer (6) provided on a surface of at least the first electrode (2). The first electrode (2) is arranged to receive, in operation, the substrate (1) to be treated and a mask device (7) in contact with the substrate (1), the mask device (7) interacting with the magnetic layer (6).

The invention discloses a casting type split reactor. A coil of the casting type split reactor comprises a first winding and a second winding which are arranged coaxially, and encapsulation parts of the first winding and encapsulation parts of the second winding are arranged alternatively from inside to outside in sequence. A first wire inlet bar and a second wire outlet bar are arranged at an interval radially and fixed at the upper end of the coil, and the other first wire inlet bar and a first wire outlet bar are arranged at an interval radially, connected with a current introducing end of the second winding in a conductive mode and fixed at the lower end of the coil. Each encapsulation part comprises a conductive part formed by winding a plurality of multi-layer round leads, and an insulation part formed by casting epoxy resin in a vacuum mode is arranged outside the conductive part. According to the casting type split reactor, the encapsulation parts are formed by casting epoxy resin in the vacuum mode through a casting mould, consistency of sizes of the insulation layers can be ensured, and uneven thicknesses of the insulation layers are avoided. In addition, no bubbles exist in the windings, partial discharge is reduced, occurrence of air gaps can be avoided effectively, and therefore, insulation performance of the insulation layers can be improved.

An improved building structure that eliminates condensation at exterior building walls, thereby preventing mold growth and avoiding the damage, environmental degradation and health problems associated with mold growth includes enveloping spaces that allow natural convection of air in exterior wall structures and roof structures. An embodiment of the building structure includes an exterior wall structure defining an air gap between insulation and exterior sheathing, a roof structure defining an air gap between thermal insulation and a roof deck, the wall air gap and roof air gap being in fluid communication, a roof vent to allow air to flow to an outside space, and an air ventilation grid at the lower end of the wall air gap. The air ventilation grid includes openings that allow air to freely enter the wall air gap and flow upwardly by natural convection into the roof air gap and out of the roof vent.

The invention relates to a ball joint for a motor vehicle, in particular for a oscillating strut of a motor vehicle, the ball joint has a housing (1) open at least on one side, a bearing shell is inserted in the inner cavity of the housing, the bearing shell itself A ball joint that slidingly receives a ball pin. According to a first variant, the inner space has a projection along its inner side, which engages in the bearing shell in a form-fitting manner. Here, the protrusion is a triangular web (13). According to a second variant, the inner space has, along its inner side, a recess into which the bearing shell engages in a form-fitting manner, wherein the recess is an undercut.

The invention belongs to the technical field of safe transportation of a low-concentration gas pipeline, and relates to a gas-water separation fire retardant explosion venting device. The gas-water separation fire retardant explosion venting device comprises a gas inlet pipe (4) and a hollow barrel, wherein both ends of the hollow barrel are closed; a water inlet (9) which is communicated with an external pipeline is formed in one side wall surface of the hollow barrel; water in a cavity between the gas inlet pipe (4) and the hollow barrel is used for water-sealing gas in the gas inlet pipe; the upper end of the gas inlet pipe (4) is bent; a straight section which is eccentric with the hollow barrel is formed on the lower end of the bent section of the gas inlet pipe, and the lower end of the straight section is positioned below the water sealing surface; a perforated plate I (3) is arranged in the combining position of the bent section and the straight section, and the perforated plate I (3) is positioned above the water sealing surface in the plane; a perforated plate II (10) further sleeves the lower end of the straight section of the gas inlet pipe; a baffle (7) is welded on the inner wall surface of a gas outlet pipe. According to the gas-water separation fire retardant explosion venting device, explosion flames are effectively prevented from spreading, and the explosion pressure can be relieved under constant pressure.

The invention discloses a mounting method of a blast furnace hearth bottom temperature thermocouple, belonging to the field of blast furnace temperature detection in metallurgical industry. The method comprises the following steps: 1. drilling: drilling from a furnace casing surface by a drill, thereby obtaining a mounting hole; 2. mounting of thermocouple: putting the thermocouple into the mounting hole, filling the gap in the mounting hole by using a slurry, and finishing the mounting after the slurry solidifies. In the fixed part pretreatment process, a slurry coating is applied to the coating end of the fixed part provided with the thermocouple, and the slurry is previously injected into the carbon brick at the tail end of the mounting hole by using an injection tube; when the fixed part contacts the tail end of the mounting hole, the air gap is avoided, so that the slurry sufficiently fills the mounting hole, thereby effectively eliminating the air gap generated in the slurry filling process; and thus, the temperature measured by the thermocouple truly reflects the temperature of the carbon brick.

The invention relates to a method for operating a brake system of a vehicle which comprises a master brake cylinder (4) which can be activated by the driver by means of a brake pedal (1), at least one driver-independent pressure source (11), at least one wheel brake (9a, 9b) to which a wheel speed sensor is assigned, and a brake activation sensor (5), wherein it is checked whether a hazardous situation is present, and in the case of a hazardous situation being detected the at least one driver-independent pressure source (11) is activated. According to the invention, a hazardous situation is detected when the change in a measured deceleration (a) over time or the absolute value of a measured deceleration (a) exceeds a predefined hazard threshold value (active) and a brake activation operation is detected. In addition, the invention relates to a brake system for a motor vehicle having brake assistance in hazardous situations ("brake assistant") which does not require a master brake cylinder pressure sensor.

The aim of the invention is to create a receptacle (4) which is used for evaporating condensed liquid on a small coolant compressor, allows the heat generated by the small coolant compressor to be utilized in an optimal way, and is easy and inexpensive to produce and mount on the compressor housing. Said aim is achieved by embodying the receptacle (4) as a plastic part that is deep-drawn in a receiving device (6) directly on the compressor housing. The plastic part perfectly matches the shape of the receiving device (6) such that the air gap that is usually formed between the compressor housing and the receptacle (4) can be eliminated altogether or reduced to a minimum. A holding element (2) that is arranged on the outer circumference of the cover part (1) ensures optimum support for the receptacle (4), thus dispensing with the need for expensive anti-corrosive measures while the evaporator power and the coefficient of performance (COP) of the small coolant compressor are optimized.

The invention discloses a hollow oblique metal microneedle array and a manufacturing method thereof based on an SU-8 mold, and belongs to the field of micro and nano-manufacturing processes. Accordingto the microneedle array, a metal material is platable metal; a hollow inclined metal microneedle is in an oblique cone shape with the oblique angle being 50 degrees to 70 degrees; the vertical height is 500mum to 650mum; the hollow oblique metal microneedle is of an iso-wall thickness structure from the bottom part to the tip end and has the wall thickness being 8mum to 10mum; the outer diameterof the bottom part of the hollow inclined metal microneedle is 150mum to 250mum; a cone angle of the hollow inclined metal microneedle is 10 degrees to 15 degrees; and the tip end is formed on the top part of the hollow inclined metal microneedle. According to the hollow oblique metal microneedle array and the manufacturing method thereof based on the SU-8 mold provided by the invention, an SU-8mold mask pattern is transferred onto a glass sheet, so that the problem that an air gap exists in traditional contact exposure is solved, the ultraviolet light intensity arriving at each layer of photoresist is improved, and the binding force of a microneedle mold and a base is higher. OmniCoat is fully used, so that the adhesivity of the SU-8 mold and the glass sheet is improved, and meanwhile,the SU-8 mold can be easily removed in the later period of the process. The oblique circular truncated cone microneedle is etched through RIE, so that the tip end is obtained, and the metal microneedle tip end structure is realized.

The invention provides a stator coil bar structure of a large power generator. The stator coil bar structure comprises a main insulation unit, a semiconductor band, electromagnetic wires, an inter-row insulation unit, semiconductor putty and a bare copper wire. The stator coil bar structure is characterized in that the inter-row insulation unit is arranged in the middle of each electromagnetic wire; a gap generated by transposition is filled with the semiconductor putty on transposition narrow surfaces on two sides of the electromagnetic wire, and four corners of the semiconductor putty on the upper and lower narrow surfaces are rounded; and the transposition narrow surfaces on the outer side of the semiconductor putty are paved with the bare copper wire welded together with a conductor of the electromagnetic wire, and then a stranded wire of the conductor is wrapped with the semiconductor band with the same resistance range as the semiconductor putty. The stator coil bar structure has the characteristics that a conductor structure has good overall shape and a semiconductor equipotential layer is improved, so that the effects of homogenizing electric fields at the corners of the main insulation unit of the stator coil bar of the large power generator, inhibiting local discharge, reducing additional loss of the coil bar and avoiding local overheating to prolong the service life of the main insulation unit are achieved; and the unit capacity and operation reliability of the power generator are improved.

The invention discloses a multifunctional cable laying device and application, and relates to the technical field of cable laying equipment, the multifunctional cable laying device comprises a support, a rotating shaft installed on the support, two rotating arms installed with the rotating shaft as the rotating center, a driving roller with a built-in first servo motor installed at the position ofthe rotating shaft, wherein the axis of the driving roller is parallel to the axis of the rotating shaft; guide pulleys of which the axes are parallel to the driving roller are mounted at the tail ends of the two rotating arms; and a plurality of mounting holes are formed in the rotating arm.

The present invention relates to a round cell battery, comprising a) a plurality of round cells (7) arranged next to each other, b) at least one dissipation element (14), which is electrically insulated with respect to the round cells (7) and has a rod-shaped configuration and is bent such that it runs in a zigzag-shaped manner alternately along the lower side (5), an adjoining lateral wall and an upper side (4) of the round cells (7), thereby interconnecting a group of round cells (7) in a thermally conductive manner for the dissipation of heat, and c) a electrically insulating, thermally conductive and rubber-elastic thermoplastic elastomer, which is arranged at least partially between the at least one dissipation element (14) and the round cells (7) in order to insulate the dissipation elements (14) electrically from the round cells (7) and to dissipate heat from the round cells (7) to the dissipation elements (14), exhibits good thermal conductivity from the round cells (7) to the dissipation elements (14).

A fluid-cooled electric machine includes a fluid circuit and an integrated pump element which executes a pumping action to conduct fluid through the fluid circuit as a result of a rotational movement of the electric machine. The electric machine includes a stator and a rotor arranged to demarcate with the stator a conical air gap which is flooded with fluid.

The invention relates to a sealing structure of an aluminum-plastic composite sheath high-voltage cable joint. The sealing structure comprises two aluminum-plastic composite sheath high-voltage cables, a copper shell around a cable joint, and an insulating heat-shrinkable tube for performing a waterproof treatment on the copper shell, and is characterized by further including a plastic composite material for fixing the copper shell and a sealing strip. The specific sealing operation comprises steps of reversely folding the copper wire shields in the two aluminum-plastic composite sheath high-voltage cables to the outer surface of the aluminum-plastic composite sheath; sleeving the outer side of a cable intermediate joint with the copper shell; folding the portions of the tail ends of the copper wire shields end exposing the tail end of the copper shell to the outer surface of the copper shell, and welding the portions to the copper shell by a lead seal to complete the electrical connection of high-voltage cable metal shield; wrapping the plastic composite material between the copper shell and the high-voltage cable body; wrapping and sealing the cable with a waterproof insulating tape; and finally disposing the insulating heat-shrinkable tube on the joint of the two aluminum-plastic composite sheath high-voltage cables and the copper shell, and performing a waterproof sealing treatment by a sealing strip.

The invention belongs to the technical field of nuclear fuel elements, and particularly relates to a reactor core structure of a heat pipe reactor fuel element adopting hexagonal prism cladding. The reactor core structure comprises fuel elements 1, heat pipes 2, a limiting base body 3, a cylinder container 4 and a reactor core upper grid plate 5, wherein the fuel elements 1 and the heat pipes 2 are arranged in the cylinder container 4 in a honeycomb shape, the limiting base body 3 is arranged between the arrangement of the fuel elements 1 and the heat pipes 2 and the inner wall of the cylindercontainer 4, and the reactor core upper grid plate 5 is arranged on the cylinder container 4.

An electromechanical solenoid has a solenoid assembly including a solenoid coil with a coil aperture formed therein. A pole piece assembly is positioned at least partially within the coil aperture, the pole piece assembly including a first pole piece and a second pole piece positioned at least partially within an hour-glass shaped alignment member. The first pole piece has a first bore and a first outer tapered surface extending away from the first bore, and the second pole piece has a second bore and a second outer tapered surface extending away from the second bore. An armature is moveable within the first bore and the second bore in response to a magnetic field produced by the solenoid coil.

The invention relates to a casting method of electric furnace water cooling cast steel furnace cover, which adopts a cast steel material to cast a base body and a cooling water pipe. The casting method comprises the following steps: adding a slagging agent and a silicon iron alloy block in molten steel for casting steel; putting the cooling water pipe into a casting model and leading a liquid cold medium and a composite solid cooling medium to pass through the cooling water pipe; using molten steel for casting steel to cast the base body, casting the middle part of the cooling water pipe into the base body and leading the two ends thereof to extend from the base body; leading the casting model to be horizontal when in modeling, leading a feeder head to be modeled lopsidedly toward one side and heightening one side of the feeder head of the model after the model is boxed; adopting an upper layer of inner sprue and a lower layer of lower sprue to carry out stepped casting so as to form sequential solidification; and cooling and disassembling the model. The casting method can effectively avoid the cooling water pipe from being penetrated in a fusing manner during the casting process, avoids air gaps from being generated between the base body and the cooling water pipe, avoids refusion and recrystallization, accurately realizes the microfusion of the outer surface of the cooling water pipe, prolongs the service life of the electric furnace water cooling cast steel furnace cover, further prolongs the service life of a metallurgical high-temperature kiln, saves production cost and improves the mechanical performance of the electric furnace water cooling cast steel furnace cover.