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 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.

A connector includes a housing, a terminal, a seal holder and fastening piece. The terminal is inserted into a terminal passing hole and a seal mounting hole of the housing and passes through an annular seal member. The terminal has a protruding tip part having a fastening hole and protruding from an outer surface of the housing. The seal holder includes a press fitting protrusion that is fit into the seal mounting hole and thereby pushes in and positions the annular seal member, a terminal leading hole that leads the terminal inserted into the press fitting protrusion, and an engagement recess that is formed at a leading end side of the terminal leading hole and is opened in a direction perpendicular to the leading direction of the terminal leading hole.

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 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 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 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.