33results about How to "Connection seal" patented technology

The invention relates to a heat shield arrangement for a hot gas (m)-guiding component, which comprises a number of heat shield elements arranged side-by-side on a supporting structure while leaving a gap there between. A heat shield element can be mounted on the supporting structure whereby forming an interior space which is delimited in areas by a hot gas wall to be cooled, with an inlet channel for admitting a coolant into the interior space. According to the invention, a coolant discharge channel is provided for the controlled discharge of coolant from the interior space and, from the interior space, leads into the gap. Coolant can be saved and efficiently used by the specific coolant discharge via the coolant discharge channel, and reduction in pollutant emissions can also be achieved. The heat shield arrangement is particularly suited for linking a combustion chamber of a gas turbine.

A method for the fabrication of a double-sided electrical interconnection flexible circuit (200) particularly useful as a substrate for an area array integrated circuit package. A copper matrix with studs (203) is pressed through a dielectric film (201) having a copper layer on the opposite surface, thereby forming an intermediate structure for a flex circuit with self-aligned solid copper vias in a one step process. The contacts are reinforced by plating both surfaces with a layer of copper, and conventional processes are used to complete the circuit patterning.

The invention provides a biogas digester which is used for solving the problem that waste of biogas is easily caused in the slag removal process in the conventional biogas digester. The biogas digester comprises a gas storage tank and a digester body in which a fermentation disc is arranged, wherein the top of the digester body is connected with a sealing cover; a lifting device which can drive the fermentation disc to translate up and down is arranged at the bottom of the fermentation disc; a gas inlet pipe and a gas outlet pipe are arranged between the gas storage tank and the digester body; a gas suction piece I is arranged in the gas inlet pipe; a sealing plate I and a sealing plate II are arranged in the gas storage tank; an elastic piece through which the sealing plate I has the tendency of sealing the gas inlet pipe is connected to the sealing plate I; a cylinder I through which the sealing plate II seals or opens the gas outlet pipe is connected to the sealing plate II; an exhaust pipe and a pressure gage are connected to the digester body; a gas suction piece II is arranged in the exhaust pipe; a sealing plate III is arranged at the end face of the exhaust pipe; and a spring I through which the sealing plate III has the tendency of sealing the exhaust pipe is arranged between the gas suction piece II and the sealing plate III. The biogas digester disclosed by the invention has the advantages that waste of biogas is avoided during slag removal.

The aim of the invention is to improve the guiding of a lubricant through a tool holder in a small quantity lubrication system. According to the invention, a tool holder (1) comprises, in the maintaining body thereof (3), an axially displaceable stop sleeve (45) which is mounted in a through opening (31) which is connected to the receiving opening (13) for a tool shaft (15) and a stop surface (47) which is adjacent to the front end (23) of the tool shaft (15). Said stop sleeve (45) is screwed into an inner thread (43) of the through opening (31) and is coupled in a rotationally fixed manner, but in an axially displaceable manner, to a control tube (49) which engages in said stop sleeve (45) in an axial manner. Said control tube (49) is mounted in an axially fixed manner to the side thereof, but in a rotatable manner to the fluid coupling (27). A lubricant can be guided over the blades of the tool (9) by means of the fluid coupling (27), the control tube (49), the stop sleeve (45) and channels (17). Said tool holder (1 ) enables the fluid to be guided in an essentially calm manner to the tool, even in small amounts, and simplifies the longitudinal pre-adjustment of the tool unit/tool holder unit.

The invention relates to a waterproof cable tail clamp for a circular electric connector, wherein a nut is arranged on one end of a sleeve through a shell retainer ring; an inner cavity of an opening of the sleeve is provided with an 'O'-shaped ring; a set screw is arranged on the nut; the nut is closely connected with a plug or a socket; and an inner cavity on one end of the sleeve is provided with a lining provided with a tooth opening, and an inner cavity on the other end of the sleeve is provided with a rubber gasket of which both surfaces are provided with gaskets for limitation, wherein a hold-down ring is arranged on one gasket on an opening part of the sleeve, and a hold-down nut is sleeved outside the opening of the sleeve. The waterproof cable tail clamp hermetically connects the electric connector and a cable into the sleeve, has good sealing performance, is effectively waterproof and dustproof, can avoid damage of the cable due to severe bending, and is convenient to insert and maintain.

The invention discloses an unmanned aerial vehicle battery box. The unmanned aerial vehicle battery box comprises a battery box body, a wiring head and a T-shaped bolt, wherein two fixed columns are fixed in the battery box body; a sleeve is fixed on the side wall of the battery box body; the top end surface of the sleeve is connected with an adjusting bolt; one end of a telescopic rod is providedwith a movable plate; two positioning round hole seats are arranged at the center shaft of the movable plate, and the two positioning round hole seats are arranged on the two fixed columns in a sleeving mode respectively; a spring piece is arranged on the side face of the movable plate, and the spring piece is connected with the wiring head through a wire; two stainless steel hinges are connectedand fixed with a battery box sealing cover; and the edge of the battery box sealing cover is fixedly provided with a wear-resistant sealing strip. The adjusting bolt is manually adjusted to enable the telescopic rod on the sleeve to freely stretch and contract, and the specific position of the movable plate is changed, so that batteries with different lengths can be placed in a battery containingcavity; and the two positioning round hole bases enable the movable plate to move accurately and to be not easy to offset.

The invention belongs to the technical field of processing systems and discloses a high-performance processing system with a self-adjusting function, which is used for solving the problems that CPUs (central processing units) in existing processing systems have poor heat dissipation effect and hot air flow in boxes have poor heat dissipation effect due to non-uniform blowing. The system comprisesa box, wherein a CPU is mounted on a mainboard in the box body, a cooling fan is mounted on the CPU, a guiding cover is mounted on the side wall of the box, a cooling fan is mounted on the other sidewall of the box, the guiding cover and the cooling fan are mounted on two adjacent side walls, a plurality of heat dissipating through holes are formed in the side wall which is opposite to the side wall where the cooling fan is mounted, first sliding chutes are horizontally formed in the box, a sliding frame is nested in the first sliding chutes, a second sliding chute in the vertical direction is formed in the sliding frame, a slider is nested in the second sliding chute, and a first gas guide cylinder is connected to the slider and connected with a second gas guide cylinder through a telescopic pipe.

The invention provides an explosive-proof straight travel electric actuator, capable of solving the problem that the traditional electric actuator cannot be switched back and forth between manual operation and electric operation. The explosive-proof straight travel electric actuator comprises a shell; a valve rod, a motor, a manual shaft, a worm, a worm wheel, a manual bevel gear, a clutch pawl and a switching handle, wherein the manual shaft is meshed with the manual bevel gear; a clutch pawl sleeve is linked with the valve rod, and the clutch pawl can be driven to rotate by the manual bevel gear; a compression spring I is arranged between the clutch pawl and the manual bevel gear; the worm wheel is linked with the valve rod and is driven by the motor; a clutch rack is arranged between the worm wheel and the clutch pawl; one end of the clutch rack is hinged with a safety pin; the switching handle is provided with a shifting block and a volute spiral spring; a back-up block is hinged in the shell; a compression spring II is arranged between the shifting block and the back-up block; the upper end of the shifting block is provided with a lobe abutting on the other end of the clutch rack and the upper end of the back-up block. The explosive-proof straight travel electric actuator has the advantages of manual semi-automatic switching operation and electric semi-automatic switching operation.

A sealing system for a solenoid valve is provided for accommodation in a recess in an actuating element movable by a coil. The recess proceeds from an end face of the actuating element close to a valve seat. The actuating element is movably mounted in a solenoid valve and designed to clear or close the valve seat (30). A sealing disk and a spring element biasing the sealing disk are provided, wherein the spring element is arranged on the end face facing away from the valve seat centered with respect to the sealing disk and exerts a force on the sealing disk in direction of the valve seat. The sealing disk is axially shiftably guided in the actuating element. A solenoid valve itself includes such sealing system.

The invention discloses a connection protection device for a flexible graphite lightning protection grounding belt, and the device is characterized in that the device comprises an installation box, afirst graphite cable and a second graphite cable, the top of the installation box is provided with a cover plate, the cover plate comprises a top plate and a pressing plate, and the bottom end of thetop plate is fixedly provided with the pressing plate; a rectangular clamping block is arranged at the bottom end of the top plate and surrounds the outer surface of the pressing plate, a rectangularclamping groove matched with the rectangular clamping block is formed in the top of the mounting box, and a communicating cavity is formed in the mounting box. The invention has the beneficial effectsthat the rectangular clamping blocks are inserted into the rectangular clamping grooves, so the sealing performance of connection is improved; after completion, the threaded rod can be rotated, the T-shaped part at the bottom of the threaded rod rotates in the T-shaped groove, and finally the moving block is driven to descend, so the graphite cable in the through hole is extruded, and the sealingstrip is arranged, so the graphite cable penetrates through the through holes in the two ends, the through hole can be completely sealed, and the graphite cable is moved, so the connection is more sealed, and the communicating cavity is in a sealed state.

The invention relates to an electric drive unit for a motor vehicle. The invention relates to an electric drive unit for a motor vehicle, comprising an electric drive (5), a transmission (6) which is arranged downstream of the electric drive (5) in the direction of a force transmission flow and which is arranged in a transmission housing (4), a device for circulating a cooling liquid in an interior (7) of the transmission housing (4), and a rotatably arranged input or output shaft (19, 18) of the transmission (6), according to the invention, the transmission housing (4) consists of a housing peripheral wall (11) annularly surrounding a central axis (A) and an end wall (13), and the end wall (13) extends radially outward from an opening (17) for the input or output shaft (19, 18) to a connecting region (14) in which the end wall (13) and the housing peripheral wall (11) are connected to each other. In order to improve the flow state by means of structural measures, in particular in the region of the transmission housing in which the coolant is discharged or withdrawn from the transmission in the region of the coolant circulation, an annular chamber (33) is provided which extends in the circumferential direction along a connecting region (14) and which is connected to the interior (7) via a separate opening (40).

The invention relates to an electrical box for a mortar cylinder. The electrical box comprises a box body, and electrical components in the box body, wherein a connection hole is formed on the wall of the box body; a cover body matching with the box body is mounted at the port of the box body; and a stand is mounted at the bottom of the box body. The stand at the bottom of the electrical box for the mortar cylinder can effectively prevent mortar from being sputtered into the electrical box, thereby reducing erosion and damage to the components in the electrical box by mortar, improving working environment of the components and prolonging service life of the electrical box.

The invention belongs to the technical field of anti-leakage methods, and particularly relates to an anti-leakage method for a bathroom hardware connecting piece, which comprises the following steps: S1, preparing materials required for preparation: an acidity regulator, a thickening agent, anti-leakage rubber plastic, sodium silicate, an emulsion polymer and water as a curing agent; mixing the raw materials according to a proper ratio, introducing the materials into a stirrer according to a proper ratio, starting a stirrer to stir and mix the mixed materials, and finally, containing the stirred mixture by using a corresponding container. The acidity regulator, the thickening agent, anti-leakage rubber plastic, the sodium silicate, the emulsion polymer and the water are used as curing agents to be mixed according to the proportion and manufactured into the anti-leakage wafer, so that the overall anti-leakage effect can become better, and the manufactured anti-leakage wafer can be correspondingly melted and then solidified after the hardware connecting pipe is in butt joint; and furthermore, the whole connection becomes more sealed.