41results about How to "Effectively withstand" patented technology

The present invention is a suture device generally intended for use in puncture wounds of a body cavity. The suture device can be inserted through the tissue layer into the body cavity and extend needles attached to a common suture line, under endoscopic vision, for engagement with the internal side of the tissue layer. The needles are deployed using a straight spring that deforms outwardly from the shaft of the suture device when a force is applied to the spring. Because of the inherent characteristics of the spring, it bends perpendicular to the shaft of the suture device and the removably attached needle is moved outwardly while staying generally parallel to the shaft of the suture device. Once the force is removed on the spring, the spring returns to its original position close to the body of the shaft.

The present invention provides a rotating bed for medical care, which includes: a bed frame structure, a bed body structure as well as a pivotal turning structure. The bed frame structure includes a fixed support. The bed body structure includes a connecting support, and the connecting support is located on top of the fixed support. The pivotal turning device includes a rotating axis that is fixed on the connecting support and a starting unit that is in connection with the bed frame structure. Moreover, the rotating axis includes a plurality of pivoted arms. The starting unit includes an extendable element that is able to drive the rotation of the plurality of pivoted arms, whereby when the length of the extendable element of the starting unit is extended or retracted, the plurality of pivoted arms rotate while encircling the core of the rotating axis as a result of the extendable element extending or retracting its length, and this has the effect of driving the rotation of the bed body structure at the same time, so as to enable the bed body structure located in between the deflected position that projects from a side of the bed frame structure and a placement position that does not project from a side of the bed frame structure to rotate back and forth. The present invention is able to assist the patients to get into and out of bed with convenience, by means of the bed body structure being rotated at the deflected position.

A wind turbine comprises a wind rotor, a generator driven by the wind rotor, a converter, wherein the generator and the converter generate electrical energy output via a connecting line with an inductively acting line reactor to a grid, and an overvoltage protection device comprising a plurality of different active modules, which are designed in such a way that they each effect, in different ways, a reduction in the voltage at the output of the converter, a switching matrix, which connects and disconnects the different active modules, and a selector comprising an overvoltage classifier, which is designed to select a predetermined stage depending on the overvoltage and to actuate the switching matrix in such a way that successive ones of the active modules are disconnected, wherein the overvoltage classifier defines a plurality of overvoltage ranges by virtue of in each case the selector setting different switching groups.

The invention discloses a submerging jet flow testing box and a testing method. The testing box includes a box body, jet flow water inlets, a vision window, a pressure gauge interface, a relief port, a clamp holder, a feeding device interface, a liquid stream valve port, a drainage port and the like. During the laboratory experiment process, a submerging fluid field environment is improved, and the approximate engineering practical submerging jet flow is simulated; other testing instrument is combined, the submerging jet flow fluid field structure is observed; the potential core of jet under the submerging condition is observed combined with a three dimensional laser particle imaging velocimeter (3DPIV) system; the variation of different jet nozzle jet flow fluid field structures is analyzed, and the internal structures of the jet nozzles are optimized; the accelerating mechanism and distribution condition of grinding material particles during the submerging grinding material jet flow testing are analyzed; and meanwhile, the observation experiment for cutting and flushing material under the submerging condition can be performed. The submerging jet flow testing box and the testing method have the advantages that the structure is simple, the operation is convenient, nozzles can be replaced easily, a plurality of testing functions are provided, and compared with other jet flow testing devices, the submerging jet flow testing box not only can test the jet flow fluid field structure under the submerging condition, but also can be reutilized repeatedly, thereby saving the experimental expense at the same time.

Apparatus for washing and dewatering pulp comprising rotatable press rolls including permeable outer surfaces and a casing comprising a vat in which the rolls are installed are disclosed. A feed for feeding the pulp through the gap between the vat and the outer surfaces of the press rolls is provided and the vat includes a vat segment providing at least one compartment between the vat segment and the casing, the at least one compartment extending along the longitudinal extension of one of the first and second rotatable press rolls and a pressure device to maintain the pressure in the at least one compartment corresponding to the pressure in the gap.

A structure for reducing stress for vias and a fabricating method thereof are provided. One or more wires or vias in the thickness direction are enframed with the use of a stress block in a lattice structure to be isolated from being directly contacted with the major portion of insulating materials with a high coefficient of thermal expansion. Thus, the shear stress resulting from temperature loading can be blocked or absorbed by the stress block.

The invention discloses a coal mine safety airbag which is suitable for life safety protection of miners in accidents such as gas explosion, protrusion and roof falling in coal mines. A breathing inner bag is connected with a breathing device; a positioner is arranged outside the breathing inner bag; an outer bag is formed by a breathing inner bag outer layer, a plurality of buffering airbags, a telescopic metal skeleton and an outer-layer protection layer; a gas generator is placed in the inner bag outside the buffering airbags; a manual switch and a sensor are connected with the gas generator; exhaust valves are arranged on the buffering airbags; the outer-layer protection layer of the outer bag is provided with an arc zipper inlet; the telescopic metal skeleton is connected with the outer-layer protection layer. According to the coal mine safety airbag disclosed by the invention, personnel danger avoidance after the mine accidents, such as the coal and gas explosion, protrusion and roof falling, can be effectively carried out; the coal mine safety airbag is an effective disaster avoiding measure adopted by the miners under the emergency condition; personnel casualties are reduced; valuable time is bought for mine emergency rescue.

The present invention relates to a magnetic coupler which comprises a conductor rotor disc and a permanent magnetic rotor disc. The conductor rotor disc comprises a driving side conductor disc and a driven side conductor disc which are fixedly connected through a bolt. The permanent magnetic rotor disc is arranged between the two conductor discs. Fixed air gaps are maintained between the permanent magnetic rotor disc and the conductor discs. The permanent magnetic rotor disc is fixedly provided with a load flange. The magnetic coupler is characterized in that the outer circle of the load flange is sleeved by a bearing which comprises an inner ring and an outer ring. The inner ring of the bearing and the outer circle of the load flange are in interference fit, and the outer ring of the bearing is connected to the outer side of the driven side conductor disc through a connection piece. The magnetic coupler has the advantages that the air gap constancy between the conductor discs and the permanent magnetic disc can be maintained.

The present invention is a suture device generally intended for use in puncture wounds of a body cavity. The suture device can be inserted through the tissue layer into the body cavity and extend needles attached to a common suture line, under endoscopic vision, for engagement with the internal side of the tissue layer. The needles are deployed using a straight spring that deforms outwardly from the shaft of the suture device when a force is applied to the spring. Because of the inherent characteristics of the spring, it bends perpendicular to the shaft of the suture device and the removably attached needle is moved outwardly while staying generally parallel to the shaft of the suture device. Once the force is removed on the spring, the spring returns to its original position close to the body of the shaft.

The present invention provides a rotating bed for medical care, which includes: a bed frame structure, a bed body structure as well as a pivotal turning structure. The bed frame structure includes a fixed support. The bed body structure includes a connecting support, and the connecting support is located on top of the fixed support. The pivotal turning device includes a rotating axis that is fixed on the connecting support and a starting unit that is in connection with the bed frame structure. Moreover, the rotating axis includes a plurality of pivoted arms. The starting unit includes an extendable element that is able to drive the rotation of the plurality of pivoted arms, whereby when the length of the extendable element of the starting unit is extended or retracted, the plurality of pivoted arms rotate while encircling the core of the rotating axis as a result of the extendable element extending or retracting its length, and this has the effect of driving the rotation of the bed body structure at the same time, so as to enable the bed body structure located in between the deflected position that projects from a side of the bed frame structure and a placement position that does not project from a side of the bed frame structure to rotate back and forth. The present invention is able to assist the patients to get into and out of bed with convenience, by means of the bed body structure being rotated at the deflected position.

The invention discloses a reinforcing method and a reinforcing structure for replacing strip foundations by raft foundations. The reinforcing method comprises the following steps of: (1) excavating two foundation pits in the grounds on two sides of each of the strip foundations correspondingly; (2) in each strip foundation, scooping out a plurality of holes which are successively arranged at intervals along the length direction of each of the strip foundations; (3) putting a bound cantilever beam reinforcement cage in each of the holes; (4) putting two bound boundary beam reinforcement cages in the foundation pits on two sides of each of the strip foundations correspondingly; (5) binding bottom plate basic reinforcing steel bars between the two boundary beam reinforcement cages between every two strip foundations; and (6) pouring concrete into the holes and the foundation pits. The reinforcing method plays a hooping role to the original strip foundations, the original structure is not damaged during construction, reinforcement equal to increase of the cross section is performed on the original structure, and the formed raft foundations more effectively bear an upper load.

The invention relates to an electrolysis installation comprising at least two rows of electrodes that are immersed at least in part in a liquid electrolyte giving off one or more gaseous species of corrosive nature at the electrodes, at least one separation membrane being disposed between two adjacent rows of electrodes. Each membrane is constituted by carbon fiber reinforcement stiffened by a carbon matrix and presents porous portion that is permeable to ions and impermeable to the or each gaseous species, given off at the electrolytes.

Apparatus for washing and dewatering pulp comprising rotatable press rolls including permeable outer surfaces and a casing comprising a vat in which the rolls are installed are disclosed. A feed for feeding the pulp through the gap between the vat and the outer surfaces of the press rolls is provided and the vat includes a vat segment providing at least one compartment between the vat segment and the casing, the at least one compartment extending along the longitudinal extension of one of the first and second rotatable press rolls and a pressure device to maintain the pressure in the at least one compartment corresponding to the pressure in the gap.

The invention discloses a submerging jet flow testing box and a testing method. The testing box includes a box body, jet flow water inlets, a vision window, a pressure gauge interface, a relief port, a clamp holder, a feeding device interface, a liquid stream valve port, a drainage port and the like. During the laboratory experiment process, a submerging fluid field environment is improved, and the approximate engineering practical submerging jet flow is simulated; other testing instrument is combined, the submerging jet flow fluid field structure is observed; the potential core of jet under the submerging condition is observed combined with a three dimensional laser particle imaging velocimeter (3DPIV) system; the variation of different jet nozzle jet flow fluid field structures is analyzed, and the internal structures of the jet nozzles are optimized; the accelerating mechanism and distribution condition of grinding material particles during the submerging grinding material jet flow testing are analyzed; and meanwhile, the observation experiment for cutting and flushing material under the submerging condition can be performed. The submerging jet flow testing box and the testing method have the advantages that the structure is simple, the operation is convenient, nozzles can be replaced easily, a plurality of testing functions are provided, and compared with other jet flow testing devices, the submerging jet flow testing box not only can test the jet flow fluid field structure under the submerging condition, but also can be reutilized repeatedly, thereby saving the experimental expense at the same time.

The invention discloses a truss type satellite structure suitable for a point type satellite-rocket separation mode, and the structure comprises a composite truss and a honeycomb sandwich structure plate, and is provided with a platform cabin and a load cabin; the composite truss comprises platform cabin truss vertical rods, load cabin truss vertical rods, truss transverse rods, lifting connectors, satellite-rocket separation connectors and inter-cabin butt joints. The load cabin truss vertical rods are in one-to-one correspondence with the platform cabin truss vertical rods; the bottom ends of the platform cabin truss vertical rods are fixedly connected with satellite-rocket separation joints, and the top ends of the platform cabin truss vertical rods are fixedly connected with the bottom ends of the load cabin truss vertical rods through inter-cabin butt joints; the top end of the load cabin truss vertical rod is fixedly connected with a lifting connector. The satellite structure can meet the requirements of a satellite on strength, rigidity, precision and various interfaces, is easy to process and assemble, and can meet the requirements of batch production and modular subdivision operation of products.

Provided is a lightning protection arrangement of a wind turbine rotor blade, including at least one terminal connected to a down conductor arranged in the blade interior and a number of lightning attractors electrically connected to the terminal; and wherein at least one lightning attractor includes an interior connector for making electrical contact to the terminal; and a trailing edge receptor arranged to extend beyond the trailing edge of the rotor blade in a direction opposite to the direction of travel of the rotor blade A wind turbine rotor blade including, a lightning protection arrangement, a method of equipping a wind turbine rotor blade with such a lightning protection arrangement is also provided.

The invention discloses a prefabricated assembling joint which is characterized by comprising prefabricated active powder concrete pipes, a connection steel pipe, an inner concrete column and steel beams, wherein the upper and lower layers of prefabricated active powder concrete pipes are adhered to two ends of the connection steel pipe through adhesives; longitudinal steel bars of the inner concrete column are welded on the inner wall of the connection steel pipe; the steel beams are connected with the connection steel pipe through end plates and bolts, or connected to a joint through a short limb beam welded on the side surface of the connection steel pipe. According to the prefabricated assembling joint, an assembling structure of a prefabricated active powder concrete pipe combination column-steel beam is realized; compared with an existing steel pipe concrete-steel beam assembling joint, the novel assembling joint is high in constructability and mechanical property, and is outstanding in fire resistance, durability and economy; furthermore, more resources and energy can be saved, so that the prefabricated assembling joint meets the requirement for sustainable development.

The invention belongs to the technical field of building structures and particularly relates to an L-shaped prefabricated composite shear wall vertical anti-seismic connection node and a construction method thereof. The L-shaped prefabricated composite shear wall vertical anti-seismic connection node comprises a composite slab type shear wall which is formed by a first prefabricated composite slab type shear wall and a second prefabricated composite slab type shear wall which are connected with each other; a first type reinforcement stirrup cage and first steel dowels are arranged in the first prefabricated composite slab type shear wall; a second type reinforcement stirrup cage and second steel dowels are arranged in the second prefabricated composite slab type shear wall; the first type reinforcement stirrup cage and the second type reinforcement stirrup cage are connected with each other; concrete is cast in situ at the positions of the first type reinforcement stirrup cage, the second type reinforcement stirrup cage, the first steel dowels, the second steel dowels and a non-prefabricated layer of the composite slab type shear wall. According to the L-shaped prefabricated composite shear wall vertical anti-seismic connection node and the construction method thereof, the shear walls can be connected into a whole at the position of the wall corner, the resistance to the seismic force is large, and the like.

A sensor package structure includes a substrate, an electronic chip fixed on the substrate by flip-chip bonding, a sealant disposed on the substrate and embedding the electronic chip therein, a sensor chip with a size larger than that of the electronic chip, a light-permeable sheet, a plurality of metal wires electrically connected to the substrate and the sensor chip, and a package body. A bottom surface of the sensor chip is disposed on the sealant to be spaced apart from the electronic chip. A lateral surface of the sensor chip is horizontally spaced apart from that of the sealant by a distance less than or equal to 3 mm. The package body is disposed on the substrate and covers the metal wires as well as the lateral sides of the sealant and the sensor chip. The light-permeable sheet is fixed above the sensor chip through the package body.

A structure for reducing stress for vias and a fabricating method thereof are provided. One or more wires or vias in the thickness direction are enframed with the use of a stress block in a lattice structure to be isolated from being directly contacted with the major portion of insulating materials with a high coefficient of thermal expansion. Thus, the shear stress resulting from temperature loading can be blocked or absorbed by the stress block.

Provided is a method for obtaining a cooking vessel that includes the following steps: producing a bowl having an aluminum outer surface and an inner surface; performing hard anodization of at least the outer surface of the bowl; and providing a sol-gel coating on the anodized outer surface. At least one coloring step is carried out following the hard anodization, the coloring step(s) being carried out before and / or during the sol-gel coating step. Also provided is a kitchen item or an electrical cooking appliance that includes a cooking vessel obtained by the above method.

The invention discloses a reinforcing method and a reinforcing structure for replacing strip foundations by raft foundations. The reinforcing method comprises the following steps of: (1) excavating two foundation pits in the grounds on two sides of each of the strip foundations correspondingly; (2) in each strip foundation, scooping out a plurality of holes which are successively arranged at intervals along the length direction of each of the strip foundations; (3) putting a bound cantilever beam reinforcement cage in each of the holes; (4) putting two bound boundary beam reinforcement cages in the foundation pits on two sides of each of the strip foundations correspondingly; (5) binding bottom plate basic reinforcing steel bars between the two boundary beam reinforcement cages between every two strip foundations; and (6) pouring concrete into the holes and the foundation pits. The reinforcing method plays a hooping role to the original strip foundations, the original structure is not damaged during construction, reinforcement equal to increase of the cross section is performed on the original structure, and the formed raft foundations more effectively bear an upper load.

The invention discloses a combined system floor system and a construction method thereof, and belongs to the technical field of constructional engineering. According to the structure, a box body component is provided with an inter-ribbed beam, a plurality of sets of prestressed tendon components of a square structure are vertically arranged in the inter-ribbed beam, and upper-layer steel bars and bottom plate steel bars located over and under the prestressed tendon components penetrate through the prestressed steel bars. The prestressed rib components are additionally arranged in the rib beams of the box body components, so that the net-shaped rib beam structure with the I-shaped section in the floor can bear loads more effectively, and the performance of the floor is improved. The prestressing technology and the BDF hollow floor slab technology are combined, the advantages of the prestressing technology are fully exerted, the deflection of the BDF hollow floor slab is reduced, floor slab cracks are restrained, and the hidden danger of water seepage is avoided.

Provided is a method for obtaining a cooking vessel that includes the following steps: producing a bowl having an aluminum outer surface and an inner surface; performing hard anodization of at least the outer surface of the bowl; and providing a sol-gel coating on the anodized outer surface. At least one coloring step is carried out following the hard anodization, the coloring step(s) being carried out before and / or during the sol-gel coating step. Also provided is a kitchen item or an electrical cooking appliance that includes a cooking vessel obtained by the above method.

A voltage regulator module includes a first circuit board assembly and a signal communication part. The first circuit board assembly includes a plurality of first conduction pads. The signal communication part is arranged on the first circuit board assembly. The signal communication part includes a conduction circuit board with a plurality of conduction fingers and a plurality of surface pins. The plurality of conduction fingers are formed on at least one lateral side of the conduction circuit board. The plurality of surface pins are electroplated on a top side and a bottom side of the conduction circuit board. A first end of each conduction finger is contacted with the corresponding surface pin on the top side. A second end of each conduction finger is contacted with the corresponding surface pin on the bottom side. The signal communication part is fixed on and electrically connected with the first circuit board assembly.

The present invention provides an internal combustion engine which is compacted in the axial direction of a crankshaft and which can effectively withstand thrust acting on a one-way clutch mechanism. The internal combustion engine has: a crankshaft (11), which is supported by means of a bearing (35); a balancer drive gear (36); a balancer shaft (30); and a one-way clutch mechanism (37), which transmits The driving force for starting the internal combustion engine, wherein the bearing (35) is a bearing with a built-in oil seal (35d) for sealing the crank chamber (33) of the crankcase (12), and the one-way clutch mechanism (37) has: a housing (55 ), which is fixed to the crankshaft (11); and the starting driven gear (56), which is arranged to be relatively rotatable relative to the housing (55), driven by the driving force, and the starting driven gear (56) has a The thrust receiving portion (55e) that the balancer driving gear (36) contacts in the axial direction of the crankshaft (11).

A laundry machine according to the present invention comprises a rib extending from the center of a rear part of a tub toward an outer side thereof in order to secure rigidity against stress generatedfrom the rear part of the tub. One end of the rib is arranged to be adjacent to the central side, the other end of the rib is arranged to be adjacent to the outer side of the tub, and the width of the one end of the rib is greater than the width of the other end of the rib so as to effectively maintain the rigidity against stress generated from the rear part of the tub. In addition, in order to secure rigidity against stress from the vibration generated by a driving motor, the present invention comprises an additional rib between a side to which the driving motor is connected and the outer side of the tub, thereby effectively maintaining rigidity against additional stress.