6197results about How to "Prevent outflow" patented technology

Intervertebral disc treatment devices and methods are provided. An intervertebral disc treatment device includes a fibrous body sized for introduction into a disc cavity of a damaged disc wherein the body incorporates an effective amount of a tissue growth factor. Intervertebral disc treatment apparatuses are also described that include such a disc treatment device in combination with a delivery apparatus for retaining and selectively releasing the device into the disc cavity. Methods for treatment include providing a disc treatment device as described above and inserting the device into an opening in an annulus fibrous and into the disc cavity. The methods further include stimulating tissue growth within the disc cavity of the intervertebral disc.

The blood collection set includes an IV needle assembly, a length of flexible plastic tubing extending from the IV needle assembly and a non-patient needle assembly. The set is formed with a venting mechanism that permits an outflow of air, while blocking an outflow of blood or other fluids. Thus, the venting mechanism enables air that had existed in interior portions of the blood collection set to be vented allowing for greater flash visualization on venous entry, and avoids the need to employ a discard tube.

A vascular access device incorporating a luer integrated air venting system, including a female luer fitting having a venting mechanism located within the female luer fitting and a fluid diverter located within the vent mechanism. The venting mechanism providing communication between said vascular access device and ambient surroundings until contact with a fluid.

The invention discloses an assembled integral shear wall structure system and a construction method thereof. Prefabricated composite wallboards are hoisted and assembled integrally at a construction site; a board body of the prefabricated composite wallboards comprises a structural layer, an insulating layer and a protective layer from the inside to the outside in turn; a reinforcement cage is arranged in the structural layer; the insulating layer is an extruded polystyrene foam plastic board; steel meshes are arranged in the concrete of the protective layer; and anchor bolts in a dotted distribution are connected among the structural layer, the insulating layer and the protective layer. Vertical seams and horizontal seams of prefabricated composite walls adopt structural self-waterproofing, so that common quality problems such as leakage and cracks and the like in a traditional process are solved. The prefabricated composite walls simplify construction processes, speed up the construction, and lower the construction cost. Furthermore, products prefabricated in a factory have uniform specifications and unified quality, so that the construction quality of a building construction can be sufficiently guaranteed; the industrialization, standardization, and generalization of the building walls are realized; and the products can be widely applicable to the construction of reinforced concrete buildings in the construction industry.

The present invention provides a liquid crystal display unit to prevent a shortcircuit between a common electrode on the side of a color filter substrate and a wiring and an electrode on the side of a thin film transistor and to set a precise cell gap in the entire area including the sealing area of two substrates. In which, columnar spacers SP1 are fixed in prescribed positions by forming the columnar spacers on the common electrode ITO2 and on a transparent protective film OC2 where the common electrode does not exist at the color filter substrate SUB2 and coating the columnar spacers on the common electrode with an alignment layer. Columnar spacers SP2 and SP3 are provided in the vicinity of the inner and the outer parts of a sealing area SL to secure the prescribed cell gap in the entire area of the two substrates and the sagging and to secure the height of the applied sealing material.

The invention relates to a simple, high-efficiency and reliable cold-warm air-conditioning water heater, which comprises a refrigerant loop, a hot-water condensing heat exchanger, a hot-water storing box and a signal acquisition and circuit control system. A scheme I of the invention is characterized in that: an exhaust opening of a compressor is connected with an air inlet of a three-way valve; a first air outlet of the three-way valve is connected with a refrigerant inlet of the hot-water condensing heat exchanger, and a second air outlet is connected and communicated with a first interfaceof a four-way valve and a refrigerant outlet of the hot-water condensing heat exchanger; a second interface, a third interface and a fourth interface of the four-way valve are respectively connected with the upper ports of an outdoor-wind heat exchanger and an indoor-wind heat exchanger and an air inlet of an air-liquid separator, and a capillary is connected in series between the lower ports of the outdoor-wind heat exchanger and the indoor-wind heat exchanger; an air outlet of the air-liquid separator is connected with an air inlet of the compressor; and an electromagnetic guide-valve low-voltage air-outlet pipe of the three-way valve is communicated with an air-sucking pipe of the compressor, and an electromagnetic guide-valve high-voltage air-inlet pipe of the four-way valve is communicated with an exhaust pipe of the compressor. A scheme II of the invention is characterized in that: the hot-water condensing heat exchanger is added between the exhaust opening of the compressor of a refrigerant-circulating loop of a cold and warm air conditioner and an air inlet of the four-way valve, and the electromagnetic guide-valve high-voltage air-inlet pipe of the four-way valve is communicated with the exhaust pipe of the compressor; and the two technical schemes both have four functions of hot-water making and refrigerating, hot-water making, refrigerating and heating.

A liquid dispensing device, includes a container for holding a supply of a liquid to be dispensed; a liquid feed tube having one end exposed to the interior of one end of the container for feeding liquid by gravity through the opposite end of the liquid feed tube when the container is inverted with the one end of the container facing downwardly and the opposite end of the liquid feed tube located at a lower elevation than the level of the liquid in the container; an air inlet leading from the atmosphere into the interior of the one end of the container so as to be immersed by the liquid therein when the container is filled with a liquid and inverted; and an air inlet control device effective, when the container is inverted, to block the outflow of liquid from the interior of the container via the air inlet, but to permit atmospheric air to enter, via the air inlet into the interior of the container at a very slow rate and to bubble through the liquid within the container, whereby dispensing of the liquid from the container via the liquid feed tube is also effected at a very slow rate.

A rotary tablet press comprises a housing and a rotary die table having dies arranged circumferentially. Each die is associated with a punch having an end receivable in the die and being arranged for compression of a powder or granular material in the die by reciprocation of the punch by rotation of the die table. The rotary tablet press comprises a feeding device and a tablet discharge device. Each die opening and its corresponding punch end are enclosed in a compression chamber comprising a dust extraction nozzle. The compression chamber communicates with the surroundings of the tablet press through a non-return valve arranged to prevent outflow from the compression chamber to the surroundings of the tablet press.

The invention relates to a liquid cooling motor, comprising a rotor (5), a rotation shaft (1), a shell (2), a front cover (3) and a rear cover (4); the rotor (5) is arranged in the shell (2); the front cover (3) and the rear cover (4) are respectively arranged at two ends of the shell (2); the front end of the rotation shaft (1) passes through the front cover (3); the rotation shaft (1) is internally provided with a circular cooling liquid passage (101); and the rotation shaft (1) is provided with a liquid inlet (102) and a liquid outlet (103) which are communicated with the circular cooling liquid passage (101). Compared with the prior art, the rotation shaft is internally provided with the circular cooling liquid passage, therefore, heat of the rotor of the motor can be directly dissipated by cooling the rotation shaft in a liquid cooling way.

An apparatus for manufacturing an elongate composite element in undefined lengths, the composite element containing reinforcement fibers embedded in a matrix based on a composition containing a curable resin, including a vacuum chamber, rigid-walled inlet tubing, an impregnation chamber, rigid-walled transfer tubing between the vacuum chamber and the impregnation chamber, a sizing die and, downstream of the sizing die, irradiation tubes providing radiation in the ultraviolet-visible spectrum to prepolymerize the resin.

The invention discloses a file management system based on an RFID (Radio Frequency Identification Device), comprising a central management unit, a file with a radio frequency electronic label, a file management device, a file processing device, a file monitoring device, a file receiving and dispatching device, an identification device and an alarm device. The file management system can identify the ID and the operation limits of authority of a user, senses files and a radio frequency identification label on the file management device through a radio frequency sensing device, and records the circulation condition of files and the like into a central management system so as to master the circulation condition of the files, facilitate the searching of the user, also avoid the improper use or distortion or flowing out of the files, and realize the fully automatic management of the files and data.

The invention relates to a precast concrete wallboard and a preparation method thereof. A wall body has a structural layer and a protection layer from inside to outside, wherein the structural layer is internally provided with a reinforcement cage, and a reinforcement fabric is arranged in the concrete of the protection layer; the protection layer is connected with the structural layer through a transverse connecting reinforcement connected to the reinforcement fabric; the left edge and the right edge of the protection layer protrude out of the structural layer; the lower edge of the protection layer downwards extends out of a protruded port; and the top of the protection layer upwards protrudes out of the structural layer; the upper edge of the protection layer has a dent corresponding to the protruded port of the adjacent precast concrete wallboard on the upper layer; and the two ends of a transverse bar of the reinforcement cage protrudes out of the left side surface and the right side surface of the structural layer of the wall body and form two rows of transverse steel ties bending inwards. The wallboard has the advantages that the construction process is simplified, the construction speed is accelerated, and the construction cost is reduced. Meanwhile, products precast by a factory have uniform specification and quality, and thus, the construction quality of a building structure can be guaranteed sufficiently. The precast concrete wallboard can be widely applied to construction of concrete steel buildings in building industry.

A hybrid rocket engine and a method for propelling a rocket utilizing a vortex flow field. The flow field includes an outer fluid vortex spiraling toward a closed end of the flow field generating apparatus and an inner fluid vortex substantially concentric with the outer vortex spiraling away from the closed end and toward an outlet opening in which the inner vortex spirals in the same direction as the outer vortex, but in the opposite axial direction. The invention also relates to a rocket propulsion system utilizing the flow field in which the propulsion system includes a combustion chamber with a fuel source and an oxidizer source that deliver the said fuel and said oxidizer to the said outer and inner vortexes in a manner to support a combustion process while flowing along the flow field.

The invention discloses an unmanned water sample sampling boat, which is a water quality sampling device. The boat comprises a boat body; the boat body is formed in a manner that a front cabin is combined with a back cabin; the front and back cabins can be folded and are hinged along with folding and unfolding states; a locking mechanism for keeping the front and back cabins in folding and unfolding states is disposed between the front and back cabins; the weight of the front cabin is smaller than that of the back cabin, so that the boat body forms a certain inclined angle along with the horizontal plane when the boat body is in water; and the boat body is loaded with a power system and a sampling system. Due to special design of foldable boat body, the unmanned water sample sampling boat is convenient to carry and transport; adaptability of the unmanned boat can be effectively improved by special design of inclined boat body and tail wheels of the boat; and a sampling pump is disposed in the cabin, so that disturbance of pump vibration on water body is avoided and sampling of samples is prevented being influenced.

The package has a base body (51) with a mounting portion for mounting a light-emitting unit. A frame body is joined to an outer edge of the body (51) to surround the portion. A wiring conductor has its one end formed on an upper surface of the base body, to electrically connect an electrode of the light emitting unit. The light transmitting unit (53) is inside the frame body to cover the light emitting unit. - Independent claims are also included for the following: - (A) a light-emitting apparatus comprising a package for housing a light emitting unit - (B) an illumination apparatus constructed by setting up a light-emitting apparatus in a predetermined arrangement.

The invention discloses low-altitude glass. The low-altitude glass is characterized in that upper glass and lower glass are convex; the welding peripheries of the upper glass and the lower glass are respectively provided with an edge sealing strip frame and an edge sealing groove; and the upper and lower glass are welded together by metal or alloy solders in a high-temperature edge sealing furnace, so that the low-altitude glass is simpler and more convenient to manufacture, and a sealing effect is ensured by the embedding combination of the edge sealing strip frame and the edge sealing groove. A manufacturing method of the low-altitude glass provided by the invention is simple in process, low in cost and high in production efficiency, can ensure reliable sealing connection and the good sealing effect, can be used for manufacturing low-altitude glass in mass by virtue of a one-step method, and not only can be used for manufacturing common low-altitude glass, but also is particularly suitable for manufacturing of tempered low-altitude glass; and the low-altitude glass manufactured by the method is high in wind pressure resistance and good in heat insulation and sound insulation.

A bearing device with a sensor and a rolling bearing with a sensor, which are used in mobile bodies such as automobiles and railway vehicles, or equipment machinery, working machinery, etc., which have: a sensor capable of detecting the state of the rolling bearing, and the sensor is housed inside and fixed on a fixed side sleeve The ring-shaped sensor cover on the ring, the ring-shaped pressing member fixed on the bearing shell or the shaft arranged on the radially outer side of the sensor cover, an opening is provided at a predetermined position of the sensor cover, and a pressure point is provided on the periphery of the opening. The protruding part protruding from the side of the pressing part forms a notch part into which the protruding part is inserted on the pressing part, and the notch part fits with the protruding part.

The present invention provides an airbag device that is capable of restraining a rectification cloth that switches a vent hole to an opened or closed state so as not to be twisted, and that is capable of switching the vent hole from an opened state to a closed state, and further, switching to the opened state. At an initial stage at which an airbag main body inflates and expands, the vent hole 8 is arranged between the leg portions 5, and when the airbag main body is in a predetermined internal pressure state, the vent hole is closed by means of the band-shaped portion 4. If an occupant or the like comes into contact with the airbag main body, a tense state of each of the leg portions is released, the rectification cloth is established in a slackened state, and the vent hole 8 is established in an opened state.

When a crystalline semiconductor thin film formed by using a catalytic element for facilitating crystallization is subjected to a heat treatment in an atmosphere containing a halogen element at a temperature exceeding 700° C., a crystal structure in which crystal grain boundaries do not substantially exist can be obtained. In the present invention, the foregoing crystalline semiconductor thin film is formed on a crystallized glass substrate which is inexpensive and has high heat resistance, so that an inexpensive semiconductor device can be provided.