40results about How to "Simple and reliable sealing process" patented technology

A subsea system for processing a fluid emanating from one or more subsea wells, comprising a fluid processing circuit and a base module (3) provided with at least one receiver (40) for receiving an insert module (4-8) comprising an appliance that forms part of the fluid processing circuit. The receiver (40) comprises a cavity (30) for accommodating the insert module (4-8). The insert module (4-8) is provided with a flange (31), which is adapted to bear on a corresponding flange (32) of the receiver (40) when the insert module (4-8) is mounted therein, a watertight seal (33) being arranged between said flanges (31, 32) so as to seal the space between the receiver (40) and the part of the insert module (4-8) received therein from the surrounding sea water.

The invention provides a bionic robot fish provided with a rising module and a tail module, relating to the bionic robot fish used underwater and aiming at solving the defects of the existing bionic robot fishes that the rising speed is low; rising characteristics are indistinct and adjusting the tail fin movement-diameter is inconvenient, etc. The other end of a screw (11) is fixedly connected with a piston (4) through a screw end closure (3), the piston (4) is arranged in a cylinder (1), and one end of a cylinder end closure (6) is fixedly connected with the cylinder (1); a straight-spur cone gearwheel (38) is arranged on a central shaft (43) and two ends of a central shaft (43) are rotationally connected with two sides of a box body (39), and two sets of sliding mechanism assemblies (84) are respectively arranged on a first disk (22) and a second disk (44) through a first eccentric shaft (25) and a second eccentric shaft (41). The bionic robot fish provided by the invention has a better rising characteristic and better bionic effect and can easily realize the adjusting to the tail fin movement-diameter of the robot fish so as to lead the swaying of the fish body to be rare and the moving stability to be better.

The invention discloses a test unit for a hydrogen-rich / oxygen-rich gas multinozzle gas-gas injector, relating to the design field of hydrogen-rich / oxygen-rich gas multinozzle combustion chambers of liquid propellant rocket engines. The test unit mainly comprises an oxygen-rich prechamber, a hydrogen-rich prechamber and a main combustion chamber. An oxygen-rich chamber outlet flange is connectedto the oxygen-rich chamber outlet section of the oxygen-rich prechamber by a thread structure, an oxygen inlet supported flange is connected to an oxygen-rich gas inlet section of the main combustionchamber, a hydrogen-rich chamber outlet flange is connected to the hydrogen-rich chamber outlet section of the hydrogen-rich prechamber by the thread structure, and a hydrogen inlet coupling flange is connected to the hydrogen-rich gas inlet section of the main combustion chamber. The flanges in an experimental facility are made of A3 carbon steel material, and thus the cost is lowered. In addition, each part of the device is convenient to connect and install, and wall surface temperature is convenient to measure.

An exhaust gas control apparatus is provided for an internal combustion engine having at least two cylinders, a turbine, and an exhaust manifold collecting a flow of exhaust gases formed in each cylinder towards the turbine. The exhaust manifold has an inlet port connected to each cylinder and an output port upon which the turbine is secured. The exhaust gas control apparatus includes at least one seal positioned between two adjacent inlet ports, each seal being articulated relative to the exhaust manifold and being capable of sealing one of the two adjacent inlet ports to reduce the internal volume of the exhaust manifold available for the flow of exhaust gas. The apparatus of the invention makes it possible to reduce the internal volume of the exhaust manifold according to the engine cycle. By doing so, most of the kinetic energy of the exhaust gases is channelled towards the turbine; this is in contrast with a traditional exhaust manifold whereby a part of the kinetic and thermal energy of the exhaust gases is dissipated within the internal volume of all the inlet ports of the exhaust manifold.

A subsea system for processing a fluid emanating from one or more subsea wells, comprising a fluid processing circuit and a base module (3) provided with at least one receiver (40) for receiving an insert module (4-8) comprising an appliance that forms part of the fluid processing circuit. The receiver (40) comprises a cavity (30) for accommodating the insert module (4-8). The insert module (4-8) is provided with a flange (31), which is adapted to bear on a corresponding flange (32) of the receiver (40) when the insert module (4-8) is mounted therein, a watertight seal (33) being arranged between said flanges (31, 32) so as to seal the space between the receiver (40) and the part of the insert module (4-8) received therein from the surrounding sea water.

The present invention provides a method for preparing an assembly type polymer micro fluidic chip equipped with an integrated pneumatic micro valve, which is characterized in that the polymer chips can be assembled into a whole chip with a structure form of four layers 'plastic gas channel control substrate-PDMS...PDMS-plastic liquid channel substrate'. The gas channel control substrate and the liquid channel substrate irreversibly sealing joint one sheet of PDMS elastic membrane respectively to prepare a gas channel control semi chip and a liquid channel semi chip, and are reversibly sealed by virtue of the natural adhesive force of PDMS membranes of two semi chips to obtain the polymer whole chip with an integrated micro pneumatic micro valve or micro valve array. The method has the advantages of simple preparation technique, low cost and high success rate; and the liquid channel semi chip or the gas channel control semi chip can be assembled freely and changed independently, which is particularly suitably used as a disposable device.

An HVAC system is provided for use in a vehicle having a passenger compartment volume. The HVAC system includes a HVAC housing having a duct opening formed in an exterior sidewall thereof. An evaporator is further provided for exhausting air downstream that is cooler than the air on the upstream side. An auxiliary compartment, such as a storage bin, is spaced apart from the HVAC housing, such as in a remote location of the passenger compartment. An auxiliary duct fluidly interconnects the HVAC housing and the auxiliary compartment via the duct opening for transmitting the cool exhausted air to the auxiliary compartment to provide a cooling effect within the auxiliary location. The auxiliary duct, in some embodiments, is disposed external from the HVAC housing for improved service and retrofitting to existing HVAC systems.

The invention provides a bionic robot fish provided with a rising module and a tail module, relating to the bionic robot fish used underwater and aiming at solving the defects of the existing bionic robot fishes that the rising speed is low; rising characteristics are indistinct and adjusting the tail fin movement-diameter is inconvenient, etc. The other end of a screw (11) is fixedly connected with a piston (4) through a screw end closure (3), the piston (4) is arranged in a cylinder (1), and one end of a cylinder end closure (6) is fixedly connected with the cylinder (1); a straight-spur cone gearwheel (38) is arranged on a central shaft (43) and two ends of a central shaft (43) are rotationally connected with two sides of a box body (39), and two sets of sliding mechanism assemblies (84) are respectively arranged on a first disk (22) and a second disk (44) through a first eccentric shaft (25) and a second eccentric shaft (41). The bionic robot fish provided by the invention has a better rising characteristic and better bionic effect and can easily realize the adjusting to the tail fin movement-diameter of the robot fish so as to lead the swaying of the fish body to be rare and the moving stability to be better.

A pump unit is provided having a wet-running electric motor, wherein a rotor of the pump unit can be driven by the electric motor at a maximum speed of greater than 20,000 rev / min, and the rotor is sealed off axially in the region of a suction port.

The invention relates to a locking device for a lock opening which is arranged in a wall between a first and a second recipient, said lock opening comprising a blocking element, which is arranged in the inner chamber of the first recipient, and a counter-plate which is associated with the blocking element. A first magnet device is provided in an area of the counter-plate and a second magnet device, which is associated with the first magnet device, is provided in the region of the blocking element. In order to close and / or open the locking device by means of the first and second magnet device, a positive and / or negative contact pressure can be produced between the blocking element and the counter-plate.

The invention discloses hollow glass with an outer seal structure. The hollow glass is characterized in that a supporting isolation frame (2) is arranged between the edge peripheries of two adjacent glass plates (1) of the hollow glass, all outer side surfaces of the edge peripheries of the hollow glass are entirely soaked or coated with a seal gum layer (4), and a coating layer (5) is compounded on the outer side of the seal gum layer (4).

A pump unit is provided having a wet-running electric motor, wherein a rotor of the pump unit can be driven by the electric motor at a maximum speed of greater than 20,000 rev / min, and the rotor is sealed off axially in the region of a suction port.

The invention discloses a Hopkinson impact experiment device and method for coal containing methane. The device comprises a confining cylinder body, an oil-resistant rubber sleeve, an exhaust hole, apressure-bearing fixing block with an air flowing slot, an air inflation pipe, a pressure gage, a high pressure oil pipe and a pressure gage; the upper half part of the pressure-bearing fixing block with the air flowing slot is connected with the air inflation pipe; the pressure-bearing fixing block is wrapped in the oil-resistant rubber sleeve; the oil-resistant rubber sleeve is connected with the inner wall of the confining cylinder body; the high pressure oil pipe and the pressure gage are connected with the lower side of the confining cylinder body. The device is connected with a Hopkinsonpressing rod, pressure oil with certain pressure is injected into the confining cylinder body, gas is injected into an area wrapped by the oil-resistant rubber sleeve, and after the gas is completelyadsorbed by a sample, an impact experiment is started. According to the device and method provided by the invention, researches on the influence of confining pressure on the sample and the influenceof the gas contained by the coal on the sample are simultaneously achieved; the device is simple in structure, reasonable in design and convenient to operate, can improve the success rate of the experiment, and has the relatively strong practicability.

The invention discloses a gas cycle purification device for a sealed shaping room. The gas cycle purification device comprises a shaping room, and also comprises a sealed box body, wherein a pre-filtering layer, a main filtering layer and a fan are arranged in the sealed box body from top to bottom; an air inlet is formed in the top of the sealed box body; an air outlet is formed in one side of the bottom of the sealed box body; the air inlet is connected with one end of the shaping room through a pipeline; and the air outlet is connected with the other end of the shaping room through a pipeline. According to the gas cycle purification device for the sealed shaping room, the sealing structure of the conventional product is improved, the smoke dust generated by processed metals in laser melting equipment shaping room in a selected area is subjected to gas purification, and the purified gas returns to the shaping room to protect the metal processing. The gas cycle purification device has the advantages of simple and feasible technical means, low cost, convenience in use and maintenance and the like.

The invention discloses a high pressure explosion limit measuring device and a molar fraction gas distribution method based on the device. The device comprises an explosion container, a compressed airstorage tank, and one or more combustible gas distribution assemblies, wherein the explosion container and the compressed air storage tank are connected via a compressed air inlet, the respective combustible gas distribution assemblies are connected to the explosion container, and the explosion container and the compressed air storage tank are both provided with temperature measuring components,temperature control components and pressure sensors. The high pressure explosion limit measuring device and the molar fraction gas distribution method based on the device provided by the invention canaccurately obtain the accurate mole fraction of combustibles in the mixture with air, and solve the problem that the explosion limit experimental research cannot be accurately quantitatively characterized since the beginning. For flammable gas, the molar fraction of the mixture can also be accurately determined by establishing its precise dedicated equation of state, especially the Helmholtz equation of state.

The invention provides a packaging shell, which is used for a battery and comprises a first shell body, the first shell body comprises a top part and a first side wall, the first side wall extends downwards from the top part, the first side wall is provided with a first flange which extends outwards, and an opening is defined by the first side wall. The shell also includes a second shell body which comprises a middle part and a second flange which extends outwards from the middle part; wherein the middle part is used for covering the opening, and the first shell body and the second shell bodyare made of alloy. The invention aims to provide a packaging shell so as to improve the reliability of battery cell packaging and the consistency of battery cell sizes.

The invention discloses a N2O micro thruster experiment device, and belongs to the technical field of spatial micro thrust. The device comprises a N2O gas inlet connecting pipe nozzle, a red copper sealing ring, a front porous plate, a catalytic decomposition chamber, a pressure measurement connecting pipe nozzle, a micro spray pipe, a rear porous plate, a temperature measurement connecting pipe nozzle and catalyst grains; each component of the N2O micro thruster experiment device is replaceable, wherein the front porous plate, the rear porous plate and the N2O gas inlet connecting pipe nozzle can be freely detached, and the rest components form a whole by welding; the front porous plate and the rear porous plate are fixed on the step surface of the catalytic decomposition chamber, the catalyst grains are filled in the middle, and the N2O gas inlet connecting pipe nozzle is connected with the catalytic decomposition chamber through screw threads to fix the front porous plate; and upstream N2O pressure and flow of the micro thruster experiment device are adjustable, N2O enters the catalytic chamber from the gas inlet connecting pipe nozzle to automatically maintain decomposition, and the temperature measurement connecting pipe nozzle and the pressure measurement connecting pipe nozzle are used for monitoring the starting temperature of a catalytic bed and the pressure of a thrust chamber respectively. The device can conveniently research related parameters of N2O micro thruster performance.

The invention relates to an earphone device and a terminal. The earphone device comprises a receiver; a sealing layer arranged on the upper surface of the metal shell of a terminal where the earphonedevice is located; a sound leading support arranged on the sealing layer, wherein the sound leading support and the metal shell only have a gap in the horizontal direction after being assembled to form an acoustic cavity used for leading the sound, and the gap is sealed by the sealing layer; the acoustic cavity is used for transmitting the sound generated by the receiver, and comprises a sound inlet and a sound outlet, and the sound emitting surface of the receiver covers the sound inlet. According to the technical scheme, the positive pressure assembly sealing of the acoustic cavity can be achieved, the sealing is simple and reliable, and the assembly is facilitated.

The invention discloses a hot water tank provided with an all-copper inner liner. A copper inner liner is adopted, and the external of the copper inner liner is closely attached to and fixedly connected with a metal outer liner. A copper coil tube group is installed in the copper inner liner and a tube for external connection is buckled by screw threads and has a flat sealing structure; the bottom end of the copper inner liner is provided with a hole for manual cleaning while a clamp is closely fastened at the circumference of the lower part of the inner liner. The hot water tank of the invention has good ductility, strong antiseptic and bactericidal abilities, simple and reliable sealing, and is not likely to crack; simultaneously, a cover of the hole for manual cleaning is easy to detach and convenient to clean.

The invention relates to the technical field of 3D printing and in particular relates to a half-fluid food 3D printer extrusion system which comprises a power conveying module, a power conveying module, a pull type conveying module, a temperature control module, a screw rod fixing plate, a motor fixing base and an extrusion system back plate, wherein the upper end of the power conveying module isconnected with the screw rod fixing plate; the lower end of the power conveying module is connected with the motor fixing base; the screw rod fixing plate is fixedly connected with the upper end of the extrusion system back plate; the motor fixing base is fixedly connected with the lower end of the extrusion system back plate; the power conveying module is connected with the pull type conveying module; and the pull type conveying module is connected with the temperature control module. The invention provides the half-fluid food 3D printer extrusion system which is capable of feeding materialscontinuously, precise in temperature control and not liable to cause nozzle blocking phenomena.

The invention discloses a material delivery mechanism for an injection molding machine. The material delivery mechanism includes a material feeding box and a material feeding cylinder which are successively connected, and a delivery screw rod which penetrates through the material feeding box and the material feeding cylinder; the delivery screw rod includes a rod body and a rod head, wherein the rod head is arranged inside the material feeding cylinder and the rod body is located in the material feeding box; an end of the rod body is stretched out from the material feeding box and is connectedto a driving unit which drives the delivery screw rod to rotate; screw ribs are formed on the surface of the delivery screw rod, wherein the screw ribs on the rod body are partly milled to form milled notches. The material delivery mechanism has excellent sealability, can stir and mix materials uniformly, has simplified structure, and is convenient to install, operate and maintain.

The present invention relates to a roller crusher having a base frame and a roller frame movably connected to said base frame. Two generally parallel rotatable rollers separated from each other by a gap are arranged in said roller frame. The roller crusher further comprises a feeding arrangement mounted to the base frame for feeding material to the rollers and at least one balancing cylinder is provided which are connected to and arranged to manipulate the roller frame relative to the base frame such that the position of the rollers relative to the feeding arrangement can be adjusted. Front and rear cheek plates are provided at the roller frame partially covering front and rear end surfaces of one of the rollers and at least partially covering an opening between the feeding arrangement and the two rollers, the cheek plates being fixedly mounted to the roller frame.

The invention provides a code-spurting marking machine jet printing head, comprising a staggered cavity seat, a 37 core aviation joint, a housing, a single channel solenoid valve and a plurality of sets of solenoid valve modules. The solenoid valve modules comprise three solenoid valve arranged in the staggered cavity seat; left and right ends of the staggered cavity seat are respectively provided with a first bent sub and a second bent sub. The sidewall of the housing is provided with a first separator plate joint, a second separator plate joint, a third separator plate joint and a fourth separator plate joint. The first bent sub is in connection with the first separator plate joint through an ink incoming tube, and the second bent sub is in connection with the second separator plate joint through an ink discharge tube; the single channel solenoid valve is arranged in the housing. The code-spurting marking machine jet printing head can guarantee stable and reliable operation in any medium, normally and stably operate even using heavy pigment ink such as oil paint under hostile environments, reduce machine failure rates, and improve equipment stability and reliability.

A hydraulic construction unit for a heating facility or air-conditioning facility, includes a return connection (20) and a first feed connection (16) for a heating circuit (6), with a heat source outlet (12) fluid conducting connected to the return connection. A heat source inlet (14) is fluid conducting connected to the first feed connection and to a circulation pump assembly (28) in a flow path between the return connection and the heat source outlet (12) or in a flow path between the heat source inlet and the first feed connection. A second feed connection (18) for a second heating circuit (8), is fluid conducting connected to the heat source inlet and to the return connection. A mixing valve (54) is arranged in a flow path from the heat source inlet to the second feed connection and / or in a flow path from the return connection to the second feed connection.

The invention discloses a handheld controller used for underwater equipment. The controller comprises a control packaging box (5) fixed in a shell (1). A control panel (6) which is packaged in a waterproof sealant (9) is arranged in the control packaging box (5). The control panel (6) is connected to an executing mechanism of the underwater equipment through a waterproof line (7). An external surface of the control packaging box (5) is provided with a plurality of button guide pillars. A button (2) sleeves the button guide pillars through a reset spring and is stretched out of the shell (1). Aseparated inductor (3) which can be perceived by the control panel (6) is embedded in the button (2). A control circuit board can be sealed simply and reliably; a main control board carries out secondary sealant sealing processing; the button does not need special seal processing and can be directly operated in an underwater environment; and a controller application environment of the underwaterequipment is greatly expanded and control cost is reduced.

The invention relates to a GW6B type disconnecting switch open-type transmission case which mainly comprises an open-type case body, rotary shafts, conducting clips, a tension spring, an upper conducting pipe and a lower conducting pipe, wherein the open-type case body is mainly composed of conducting bars and a wiring board, the number of the rotary shafts is two, the two rotary shafts are arranged in parallel between the two conducting bars, the two conducting clips rotate in the reversed direction through a transmission mechanism, a voltage-sharing ball is arranged at the upper end of the upper conducting pipe, the lower conducting pipe is installed in the conducting clips, the upper conducting pipe and the lower conducting pipe are connected through a connecting pipe, the two ends of the rotary shafts are connected with the conducting bars through bearings A respectively, bearings B are arranged between the conducting clips and the rotary shafts, annular grooves are formed in the two ends of a shaft sleeve respectively, the shaft sleeve is limited and fixed through cover plates, the tension spring is obliquely arranged between the two conducting bars, and a tension spring protection sleeve is arranged on the outer surface of the tension spring in a sleeved mode. The GW6B type disconnecting switch open-type transmission case has the advantages that due to the fact that the disconnecting switch transmission case is open, working staff can observe, maintain and debug transmission pieces inside conveniently.

The present invention provides a method for preparing an assembly type polymer micro fluidic chip equipped with an integrated pneumatic micro valve, which is characterized in that the polymer chips can be assembled into a whole chip with a structure form of four layers 'plastic gas channel control substrate-PDMS...PDMS-plastic liquid channel substrate'. The gas channel control substrate and the liquid channel substrate irreversibly sealing joint one sheet of PDMS elastic membrane respectively to prepare a gas channel control semi chip and a liquid channel semi chip, and are reversibly sealed by virtue of the natural adhesive force of PDMS membranes of two semi chips to obtain the polymer whole chip with an integrated micro pneumatic micro valve or micro valve array. The method has the advantages of simple preparation technique, low cost and high success rate; and the liquid channel semi chip or the gas channel control semi chip can be assembled freely and changed independently, which is particularly suitably used as a disposable device.