64results about How to "Good sealing condition" patented technology

Method for producing a capsule containing beverage ingredients designed for insertion in a beverage production device in which a liquid under pressure enters the capsule in order to interact with the ingredients in the capsule and to drain a beverage from the capsule, wherein the capsule includes a body with a sealing member attached thereto. The method includes providing the body with a main cavity, injecting at least one sealing material by injection-molding onto at least a portion of the external surface of the body to mold a sealing member sealingly attached to the body, filling the cavity with food ingredients and imperviously closing the cavity with a membrane to provide a closed capsule containing the food ingredients.

A door arrangement for an aircraft that has a fuselage with a fuselage structure includes a door to be arranged inside a door frame of the fuselage structure and a door joint mechanism attached to the door of the door frame and to the fuselage structure. The door joint mechanism has a seven-joint linkage provided with first to seventh joints by means of which the door, guided exclusively in a rotationally articulated manner, is moveable over a predefined pivoting angle range from a closed position inside the door frame to an open position outside of the door frame and fuselage, and back again. In addition, an aircraft, especially a fixed-wing aircraft, encompassing at least one aircraft door arrangement is provided.

In a method relating to this invention to seal a vessel, firstly, a discharge mouth and a charge mouth are provided respectively to the vessel, and the discharge mouth is previously sealed at openable state. Then the charge mouth is surrounded by an airtight space, and the charge mouth is sealed in the space after the highly pressurized combustion-supportable or flammable gas is charged into the space and the vessel. In a mechanism relating to this invention to seal a vessel, a discharge mouth and a charge mouth respectively provided to a vessel for a highly pressurized combustion-supportable or flammable gas are sealed respectively, and the discharge mouth only is sealed at openable state.

The invention provides a quick-opening structure of an extractor. The quick-opening structure comprises a discharge hole, a cover body and a hoop, wherein a first convex ring is arranged on the periphery of the discharge hole; a second convex ring matched with the first convex ring is arranged on the cover body; a clamping slot is formed in the hoop; the first convex ring and the second convex ring are clamped into the clamping slot together; a stopper adding section protruding out of the cover body is also arranged on the cover body; a sealing ring is arranged between the stopper adding section and the inner periphery of the discharge hole. The quick-opening structure of the extractor is simple, and can be quickly opened, and the sealing condition and the safety performance are improved.

The invention discloses a manufacturing method for a double-screw-rod compressor rotor. A screw-rod compressor rotor is formed by a stainless steel rotor core and a PEEK engineering plastic tooth-shaped shell through high-temperature mold pressing. In order to make an oil-free screw rod compressor reach the higher exhaust pressure (the gage pressure of 1.3 MPa) and guarantee the long-time operating reliability of the rotor, a screw rod rotor structure is made of the stainless steel rotor core and a special modified PEEK material which is 1-5 mm thick and die-cast to the surface; finally, the die-cast PEEK surface is finished in place by a form milling cutter; and to increase the bonding degree of the PEEK engineering plastic and the stainless steel rotor core, some regular circular pits are machined in the two tooth-shaped end faces of the stainless steel rotor. By the adoption of the manufacturing method, the manufacturing difficulty of the oil-free screw rod compressor rotor can be lowered greatly, the structure manner of an oil-free air screw rod compressor, an oil-free process screw rod compressor and a refrigeration screw rod compressor can be simplified, and finally the service life of the screw rod compressors can be prolonged, and the maintenance cost is lowered.

The invention discloses an automatic temperature control ultralow temperature semiconductor refrigerator and an automatic temperature control method thereof. The refrigerator comprises a temperature sensor, a preset temperature adjuster, a controller, a controllable switch stack, a direct current power supply, a semiconductor refrigeration stack, a radiator and a heat insulation casing, the semiconductor refrigeration stack is arranged on the radiator, the heat insulation casing is arranged above the radiator and covers the semiconductor refrigeration stack, the temperature sensor, the preset temperature adjuster and each controllable switch are respectively connected with the controller, and the direct current power supply is connected with semiconductor refrigeration pieces through the controllable switches to supply power for the semiconductor refrigeration pieces. The automatic temperature control method includes that based on differences of the preset temperature and the measured temperature, the accurate control of the operation time sequence and on-off state of a plurality of the refrigeration pieces can be achieved through the controllable switch stack, the accurate ultralow temperature refrigeration and the temperature control can be achieved, the operating process includes low speed starting, full load operating and constant temperature control, the control process utilizes a hierarchical control mode, the pulse duty ratio of the semiconductor refrigeration pieces are changed through the feedback mode and the optimal energy consumption correction is achieved.

A thermostatic valve mounted within a housing which defines a fluid circuit and wherein an internal valve seat is defined withing the housing, the thermostatic valve including a blocking valve component movable relative to the valve seat for opening and closing the fluid circuit, a thermostatic element for actuating the blocking valve and including a body and a piston that are relative movable with respect to one another and a base to which the piston is mounted, an electrical heating element mounted within the and piston of the thermostatic element for heating expansible material contained in the element, wherein one end of the piston is seated and sealed within a blind hole in the base and the base is seated and sealed within a blind cavity in the housing and which cavity has a bottom wall formed integrally with the housing through with electrical pins extend toward the outside of the housing.

The invention relates to a blade electric vehicle integrated two-shift automatic electric drive assembly, the assembly is suitable for a front-engine front-drive automobile or a rear-engine rear-drive automobile and comprises a drive motor (E) and a dry clutch two-shift automatic transmission (T); the dry clutch two-shift automatic transmission (T) is arranged on the output end of the drive motor (E); the drive motor (E) is a DC drive motor or an AC drive motor and comprises a drive motor rotor (10), a drive motor stator (11), a drive motor box (12), a first bearing (13) and a second bearing (14); the dry clutch two-shift automatic transmission (T) is a double-shaft structure and comprises an input shaft assembly (I), a middle shaft assembly (M), an outlet assembly (O) and a box assembly (0); the assembly provided by the invention adopts a fixed axis gear transmission scheme, the transmission efficiency is high, the structure is simple, the transmission ratio is easy to match, and the production cost is relatively low.

A one stage process for the preparation reservoir patches comprises feeding webs to a first pair of sealing rollers and, thence, directly to a second pair of die-cutting rollers, and preferably directly into a packaging step, thereby avoiding most operatorrelated error, and substantially increasing overall sterility and reproducibility.

The invention discloses a self-pressure boosting system for a double-end mechanical seal. The self-pressure boosting system comprises a mechanical seal device, a balancing tank and a reaction tank, wherein the upper part of the balancing tank is connected with a sealing liquid inlet of a sealing cavity of the mechanical seal device through a pipeline, and the lower part of the balancing tank is connected with an in-kettle gas communication pipe of the reaction kettle through a pipeline; a piston and a piston rod are arranged in the balancing tank and are matched with each other; the piston is sealed with the cylinder wall of the balancing tank through an O-shaped seal ring; the piston rod slides along the axial direction; a spring is arranged on the piston rod. The self-pressure boosting system is simple in structure; the upper part of the balancing tank is connected with the sealing cavity through the pipeline, and the lower part of the balancing tank is communicated with the reaction kettle through the pipeline, so that the pressure in the kettle is transferred to the sealing cavity through the piston in the balancing tank; the self-pressure boosting system is suitable for occasions where mediums in the kettle cannot be mixed with sealing liquid.

The packaging machine has a filling nozzle for filling the bags and a locking device for welding the bags. The locking device has two locking elements, which are welded between the bags. The available contact pressure is changeable between the locking elements during welding. An independent claim is also included for a method for operating a packaging machine for filling bags.

The invention relates to a single-row reciprocating piston type rotor engine, belonging to the field of power generating machines. The engine comprises a main shaft (1), an elliptic orbit groove disc body (2), a transmission connecting rod (3), a positioning U-shaped fork (4), a cylindrical rotary cylinder body (5), a rotary cylinder body end cover (6), a turning lever (7), a turning lever shaft (14), a traditional single cylinder engine nose (8), a piston connecting rod (9), a piston (10), a cylindrical enclosure (11) and the like, wherein the lower end of the transmission connecting rod (3) is provided with a bearing (21) inserted into an elliptic orbit groove (12); a horizontal elbow of the transmission connecting rod (3) passes through the tube wall of the cylindrical rotary cylinder body (5); a perforation is sealed by using a shaft seal (13); the horizontal elbow is connected with one end of the turning lever (7) by using the bearing; the piston connecting rod (9) is connected with the other end of the turning lever (7) also by using the bearing; the turning lever shaft (14) is fixed on the bottom of the rotary cylinder body (5) and is in positioning connection with the turning lever (7) by using the bearing. The invention has the advantages of simple and compact structure, few components, light weight, small volume, high efficiency, energy saving, convenience of maintenance and long service life and not only can be made into a gasoline engine but also can be made into a diesel engine.

The invention provides an ultrasonic fusion welding process for a waterproof seam, and relates to a new process for manufacturing the sewing-thread-free outdoor garment waterproof seam through the ultrasonic fusion welding technology and the heat-seal taping technology. On the basis of the problems that in the industrial outdoor garment production process, water seepage and shrinkage of the waterproof seam are large, the ultrasonic fusion welding and heat-seal taping process is invented. In the new process, a traditional sewing technology is replaced with the ultrasonic fusion welding technology, the seal allowance edge removal and cut piece fusion can be completed in one step, the initial seam allowance amount is decreased, fabric is saved, the process flow is simplified, and the shrinkage of the seam is reduced; the sewing-thread-free seam is formed, a smooth fusion interface is provided for the heat-seal taping technology, the fusion firmness of the seam and adhesive tape is improved, and the waterproof performance of the seam is improved; sewing threads are omitted, and therefore an outdoor garment produced through the new process is lighter in weight and smoother and more attractive in appearance, raw materials are saved, and the garment cost is reduced. The ultrasonic fusion welding process provides technical support for improving the outdoor garment product quality and the production efficiency and increasing the product science and technology additional value.

A hydroform die tube holding assembly and method of using same includes at least one seal unit for sealing an end of a tube. The hydroformed die tube holding assembly also includes a seal unit elevator for attachment to a lower die half to operatively support the at least one seal unit. The hydroformed die tube holding assembly further includes at least one upper gas spring for attachment to an upper die half to engage, the seal unit elevator to drive the seal unit elevator downward prior to the upper die half engaging the tube.

The invention discloses an injection mold facilitating vacuum-pumping. The injection mold comprises an upper mold and a lower mold, wherein an injection mold cavity is formed when the upper mold and the lower mold are matched; a feeding hole is formed in the top of the upper mold; a sealing ring structure is arranged between the upper mold and the lower mold and arranged on the periphery of the injection mold cavity; the sealing ring structure comprises a sealing ring and a sealing ring groove which are in clearance fit; the sealing ring is arranged on the lower surface of the upper mold; and the sealing ring groove is formed in the upper surface of the lower mold. The disclosed injection mold facilitating vacuum-pumping is reasonable in structural design; and the sealing ring structure added between the upper mold and the lower mold can effectively improve the sealing condition during vacuum-pumping operation of the mold, so that better and more stable vacuum degree can be obtained by the injection mold cavity faster, and the finished product quality of a plastic injection product is improved.

The invention discloses a lightweight composite material supporting structural component for a track traffic tunnel and a mounting method of the lightweight composite material supporting structural component. The structural component comprises a lining reinforcement band support fixed to the inner surface of a tunnel segment, a carbon fiber composite section lining reinforcement band pasted on the lining reinforcement band support and a cement paste injection pipe joint, the reinforcement band is filled with cement paste, and the cement paste injection pipe joint is used for injecting the cement paste into the carbon fiber composite section lining reinforcement band. The carbon fiber composite section lining reinforcement band comprises an external supporting shell, a soft carbon fiber connecting mesh in the space of the external supporting shell and a flexible carbon fiber braided band wrapping the outer portion of the external supporting shell, and the external supporting shell is an elastic hard carbon fiber composite plate. The structural component does not intrude in the train running safety boundary, a tunnel lining overlaying layer is effectively formed, a tunnel is reinforced fast under the severe condition that allowed maintenance time is short, the overall rigidity and bearing capacity of the tunnel are greatly improved, and occupied space is small.

The invention discloses a rotary four-eccentricity ball valve which comprises a valve body, an upper valve rod, a lower valve rod, a ball body, valve seats, bearings, springs, sealing rings and packing seal structures and is a rotary ball valve. The ball body is located in the valve body. The springs are arranged between the ball body and the valve seats. The valve body is provided with an end cover and a bottom cover. The valve body and the two valve seats are connected through threads. The valve rods and the ball body are also connected through threads. The sealing rings are arranged between the ball body and the valve body. The packing seal structures are arranged between the valve rods and the valve body. According to the ball valve, four eccentricity distances exist and include contact eccentricity between the centers of the valve rods and the sealing surfaces, eccentricity between the centers of the valve rods and the center of the valve body, angle eccentricity for perpendicularity of the sealing contact surfaces to the center of a valve body channel, and eccentricity which is formed between the rotation centers of the valve seats and the plain lines of the cross sections of the sealing surfaces of the valve seats and enables the engagement angle of the ball body to be adjustable. The ball valve can reduce abrasion between sealing pairs and reduce opening and closing torque, and the life of the ball valve is prolonged.

The invention discloses a sealed N2 cleaning device. The sealed N2 cleaning device comprises an N2 cleaning tube and an N2 cleaning adaptor, and further comprises a sealing ring arranged between the contact surfaces of the N2 cleaning tube and the N2 cleaning adaptor. The sealed N2 cleaning device improves sealing conditions and prevents the back side of a wafer from chemical pollution.

The invention relates to a plunger type oil diaphragm pump which comprises a hydraulic end and a power end. The hydraulic end comprises a pump body assembly, a plunger (2) arranged in the pump body assembly, and a hydraulic cylinder support (14) used for fixing the pump body assembly. The hydraulic cylinder support (14) and a machine body at the power end are assembled together to be used for fixing the hydraulic end. The pump body assembly comprises a pump body (1), and a plunger channel is arranged in the pump body (1). The plunger is movably arranged in the plunger channel, and a sealing box assembly is arranged between the plunger and the plunger channel. The plunger type oil diaphragm pump is characterized in that a main sealing cavity is formed in the front end of the plunger channel, and an auxiliary sealing cavity is formed in the rear end of the plunger channel; the sealing box assembly comprises a main stuffing box assembly arranged in the main sealing cavity and an auxiliary stuffing box assembly arranged in the auxiliary sealing cavity; an oil bath used for separating the main stuffing box assembly from the auxiliary stuffing box assembly is arranged in the portion, between a stuffing box and an auxiliary stuffing box, of the plunger channel; and the oil bath is filled with lubricating oil (21). According to the plunger type oil diaphragm pump, medium leakage is avoided, and the plunger is convenient to machine, assemble and disassemble.

The invention relates to a high pressure centrifugal slurry pump. The high pressure centrifugal slurry pump comprises a bracket part, a pump shaft and the like; a pump head with a double-impeller structure is arranged on the bracket part; the pump head comprises rotating parts, namely an impeller A, an impeller B and an auxiliary impeller, and fixed parts, namely a connecting plate, a pump cover, a seal box, a back protective plate, a pump body A, a middle protective plate, a pump body B, a front protective plate and a support; the outlet of the pump body B and the outlet of the pump body A are in 180-degree symmetry; a guide pipe is connected between the slurry outlet of the pump body A and the suction inlet of the impeller B; a framework oil seal structure is adopted between the seal box and the pump shaft; the support is arranged on the pump cover. The high pressure centrifugal slurry pump has high lift of 200 meters, does not require any external shaft seal facilities and can better meet the requirement on high pressure delivery.

The present invention belongs to the technological field of compressors for cooling systems and, according to a preferred embodiment of the present invention, the connecting device a substantially cylindrical or tubular body provided, at one of its ends, with an outer perimetral projection and co-operative with a duct or channel of a cylinder cap, wherein, preferably, the device will be produced with steel, aluminum alloy, or other metal alloy with similar structural and thermal properties, mainly due to the stresses it may suffer during use and to be able to absorb the tolerance variations and to have a resilience capable of providing resistance at the time the connection undergoes mechanical stresses of performance—especially torsion.

The invention discloses a high-rise residential building anti-noise system. The high-rise residential building anti-noise system comprises a window body, wherein the window body and a wall body are rotationally connected with a connecting shaft; the connecting shaft is fixedly connected with a first gear; the first gear is meshed with a second gear; the second gear is meshed with a rack; a cavityis formed in the wall body and above the window body; a sealing plate is inserted into the rack and is fixedly connected to the side wall of the cavity; the rack is positioned on the upper side and the lower side of the sealing plate and is divided into two parts; one side, close to the sealing plate, of the rack is fixedly connected with a magnet; the magnet and the sealing plate are magneticallyattracted; and the top of the rack is fixedly connected with a sliding plate. The high-rise residential building anti-noise system has the advantages that energy is converted into air pressure expansion through the principle that vibration is generated during sound transmission, so that tight sealing of the window body is realized, generation of wind noise is avoided, and the indoor and outdoor ventilation effect is improved in a window opening state.

The invention relates to a medical steam pipeline ball valve. The medical steam pipeline ball valve comprises a valve body, wherein a spherical valve core is arranged in the inner cavity of the valve body; a passage with the same inner diameter as that of a pipeline is arranged in the valve core; an upper valve rod and a lower valve rod are respectively arranged at the upper end and the lower end of the valve core; the upper valve rod and the lower valve rod are collinear and are vertical to the pipeline of the valve body; a valve seat and a seal ring are arranged between the valve core and the valve body; the valve seat is matched with the valve core to form a sealing structure. Through the adoption of the technical scheme of the invention, the pressure loss is low during full opening; the medical steam pipeline ball valve can pass through a pipe cleaner, and is suitable for high-pressure large-diameter specifications; moreover, the medical steam pipeline ball valve is lower in height, great in action torque, short in time, high in switching speed and good in sealing condition, and is suitable for gas pipelines.

The invention discloses an automatic temperature control ultralow temperature semiconductor refrigerator and an automatic temperature control method thereof. The refrigerator comprises a temperature sensor, a preset temperature adjuster, a controller, a controllable switch stack, a direct current power supply, a semiconductor refrigeration stack, a radiator and a heat insulation casing, the semiconductor refrigeration stack is arranged on the radiator, the heat insulation casing is arranged above the radiator and covers the semiconductor refrigeration stack, the temperature sensor, the preset temperature adjuster and each controllable switch are respectively connected with the controller, and the direct current power supply is connected with semiconductor refrigeration pieces through the controllable switches to supply power for the semiconductor refrigeration pieces. The automatic temperature control method includes that based on differences of the preset temperature and the measured temperature, the accurate control of the operation time sequence and on-off state of a plurality of the refrigeration pieces can be achieved through the controllable switch stack, the accurate ultralow temperature refrigeration and the temperature control can be achieved, the operating process includes low speed starting, full load operating and constant temperature control, the control process utilizes a hierarchical control mode, the pulse duty ratio of the semiconductor refrigeration pieces are changed through the feedback mode and the optimal energy consumption correction is achieved.