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60results about How to "Increased axial stability" patented technology

Methods of treatment using a bariatric sleeve

Methods of treatment using a gastrointestinal implant device removably anchored within an animal's gastrointestinal tract. For example, the implant device includes a collapsible anchor for anchoring the device coupled to a proximal end of a flexible sleeve. The implant device can be anchored within the stomach, within the pyloric orifice, and / or distal to the pylorus and extended into the duodenum. All partially-digested food, or chyme, exiting the stomach is funneled through the device. Methods of treatment include treating obesity by one or more of: limiting the absorption of nutrients within the duodenum; delaying the mixing of chyme with digestive enzymes; alter hormonal triggers; and providing negative feedback. Alternatively or in addition, the desired result includes treating a diseases, such as diabetes, or temporarily shielding a portion of the intestine to promote healing within the intestine.
Owner:GI DYNAMICS INC

Methods of treatment using a bariatric sleeve

Methods of treatment using a gastrointestinal implant device removably anchored within an animal's gastrointestinal tract. For example, the implant device includes a collapsible anchor for anchoring the device coupled to a proximal end of a flexible sleeve. The implant device can be anchored within the stomach, within the pyloric orifice, and / or distal to the pylorus and extended into the duodenum. All partially-digested food, or chyme, exiting the stomach is funneled through the device. Methods of treatment include treating obesity by one or more of: limiting the absorption of nutrients within the duodenum; delaying the mixing of chyme with digestive enzymes; alter hormonal triggers; and providing negative feedback. Alternatively or in addition, the desired result includes treating a diseases, such as diabetes, or temporarily shielding a portion of the intestine to promote healing within the intestine.
Owner:GI DYNAMICS

Bariatric sleeve

Method and apparatus for limiting absorption of food products in specific parts of the digestive system is presented. A gastrointestinal implant device is anchored in the stomach and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for anchoring the device to the stomach and a flexible sleeve. When implanted within the intestine, the sleeve can limit the absorption of nutrients, delay the mixing of chyme with digestive enzymes, altering hormonal triggers, providing negative feedback, and combinations thereof. The anchor is collapsible for endoscopic delivery and removal.
Owner:GI DYNAMICS

Recording a stereoscopic image of a wide field of view

A scanning camera with a rotating drum has one or more sensors characterized by a non-radial optical axis. With two sensors on opposite sides of the drum and facing in substantially the same direction, stereoscopic recording of a panorama is accomplished as the drum rotates. Rapid rotation of the scanning camera produces panoramic motion picture recording, with the final frame speed dependent on the sensitivity and speed of the sensor, the resolution desired, and the capabilities of the recording device. The preferred embodiment employs rotating fisheye lenses for a substantially fill-sphere field of view. Streamlining of the lens elements on the drum surface is described for quiet operation of the camera, even at high rotation speeds. The rapid rotation of the drum characteristic of motion picture frame rates can improve both the stability and portability of the camera. The gyroscopic effect of the rotating weight of the drum can increase the stability of the camera, and the apparent weight of the camera can be reduced by the lifting effect of aerodynamic elements such as rotors added to the rotating drum. The adjustment of convergence are described that improve the viewing of stereoscopic images. Additional sensors in the same arrangement are used to increase resolution through multiplexed recording of the image data. Recording image information using film, either internal or external to the camera drum, is also described as a cost-effective alternative to digital media storage.
Owner:IMMERSIVE LICENSING

Rotating scan self-cleaning camera

A scanning camera with a rotating drum has one or more sensors characterized by a non-radial optical axis. With two sensors on opposite sides of the drum and facing in substantially the same direction, stereoscopic recording of a panorama is accomplished as the drum rotates. Rapid rotation of the scanning camera produces panoramic motion picture recording, with the final frame speed dependent on the sensitivity and speed of the sensor, the resolution desired, and the capabilities of the recording device. The preferred embodiment employs rotating fisheye lenses for a substantially full-sphere field of view. Streamlining of the lens elements on the drum surface is described for quiet operation of the camera, even at high rotation speeds. The rapid rotation of the drum characteristic of motion picture frame rates can improve both the stability and portability of the camera. The gyroscopic effect of the rotating weight of the drum can increase the stability of the camera, and the apparent weight of the camera can be reduced by the lifting effect of aerodynamic elements such as rotors added to the rotating drum. The adjustment of convergence are described that improve the viewing of stereoscopic images. Additional sensors in the same arrangement are used to increase resolution through multiplexed recording of the image data. Recording image information using film, either internal or external to the camera drum, is also described as a cost-effective alternative to digital media storage.
Owner:IMMERSIVE LICENSING

Contact lens

An easy-to manufacture contact lens exhibiting an excellent axial stability and having a novel ballast mechanism. On the front surface (36) of the contact lens (30), (i) a circular front surface (38) forming an optical portion (44) and (ii) annular front surfaces (40, 42) forming peripheral portions (46, 48) are formed with a substantially constant radial dimension around the geometrical center axis (32) of the lens in the front view thereof. Cross-sectional shapes of the front surfaces (40, 42) at the peripheral parts are varied in the circumferential direction and the thickness at the peripheral portions (46, 48) is varied in the circumferential direction, thus shifting the center of gravity G of the contact lens (30) from the geometrical center axis (32) of the lens.
Owner:MENICON CO LTD

Extra-large fiber reinforced plastic (FRP) combined storage tank structure with floating roof, and construction method of storage tank structure

The invention relates to an extra-large fiber reinforced plastic (FRP) combined storage tank structure with a floating roof, and a construction method of the storage tank structure. The extra-large FRP combined storage tank structure comprises a tank top, a tank wall and a tank bottom, wherein the tank top has an FRP latticed shell structure; FRP plates are laid on the FRP latticed shell structure; the tank wall is composed of an inner layer FRP plate, an outer layer FRP plate and active powder concrete between the inner layer FRP plate and the outer layer FRP plate; the floating roof is arranged in the tank cover; a connection piece is arranged between the inner layer FRP plate and the outer layer FRP plate; concrete trapezoid grooves are sequentially formed between the inner layer FRP plate and the outer layer FRP plate along a circumferential direction; prestress bars are pulled between every two adjacent concrete trapezoid grooves section by section; and the inner layer FRP plate and the outer layer FRP plate are formed by connecting FRP spliced plates through tenon tongues and tenon grooves. The extra-large FRP combined storage tank structure is high in corrosion resistance and freezing resistance, insensitive to temperature change, low in heat transmission speed, favorable for keeping temperature in a tank body, high in compression strength, high in corrosion resistance and relatively high anti-permeability.
Owner:NORTHEAST GASOLINEEUM UNIV

Machined spring with integral retainer for closed cycle cryogenic coolers

A retainer and spring with threaded end are machined from a single piece of material for threading to a piston in a closed cycle cryogenic cooler. Since the machined retainer and spring are a unitary part, they cannot rub against each other during operation of the piston which reduces debris generation. The spring is preferably formed as a double start helix which further increases axial stability and reduces side loading. The spring extends into an integrally formed, threaded end at the end thereof opposite the retainer.
Owner:COBHAM MISSION SYST DAVENPORT LSS INC

Rotor shaft bearing design and coupling mechanism

An improved magnetic drive pump is disclosed with improved bearing support for the proximal and distal ends of the rotor shaft. Further, an improved mechanism to couple the inner magnet assembly to the rotor shaft is also disclosed. Finally a mechanism for sealing the pump chamber from the interior of the canister that surrounds the inner magnet assembly is disclosed which permits a separate supply of coolant to be used for cooling the inner magnet assembly and the proximal end of the rotor shaft wherein such a coolant is not the fluid being pumped in the pump chamber. The pump chamber is isolated from the interior of the canister.
Owner:VIKING PUMP

Heat exchanger having an improved baffle

The present invention is directed to a heat exchanger for an automotive vehicle. The heat exchanger includes a first end tank divided into a first portion and a second portion by a baffle, the first end tank including a through-hole.The baffle system includes a baffle or baffles with a central portion and at least one flanged peripheral portion, the flanged peripheral portion having a peripheral channel. Additionally, the baffle preferably is disposed within the end tank so that the peripheral channel is substantially juxtaposed with the through-hole in the end tank for providing a visual leak indicator.
Owner:VALEO INC

Structure of loudspeaker for reducing thickness and mounting depth

A structure of a loudspeaker is designed to decrease a thickness or height thereof, thereby reducing a mounting depth of the loudspeaker on a mounting panel or wall. The loudspeaker includes a speaker frame, a diaphragm connected to the speaker frame in a manner capable of vibration, a voice coil connected to the diaphragm through a coil bobbin to receive an electric signal to vibrate the diaphragm, a spider connected to the speaker frame and to the diaphragm for supporting the diaphragm and the voice coil in a flexible manner, a magnetic assembly including a top plate, a permanent magnet and a pole piece for creating a magnetic circuit for interaction with the voice coil inserted in an air gap, and a plurality of cut-outs formed on a top of the magnetic assembly at an outside thereof to receive therein corresponding suspension elements of the spider.
Owner:ALPINE ELECTRONICS INC

Integrated decelerating clutch for washing machine motor

The invention discloses an integrated decelerating clutch for a washing machine motor, which comprises an input shaft, a stator, and an outer rotor fixedly connected to the lower end of the input shaft, wherein the circumference of the outer rotor extends upward to form an inner chamber together with the input shaft for the placement of the stator, the upper end part of the stator extends out of the inner chamber and is fixedly connected with an upper casing, a Hall element feedback component is mounted on the stator provided with a convex shoulder, and the lower end of the Hall element feedback component is in clearance fit with the upper end of the outer rotor. Since the plastic encapsulation novel structure of the motor stator is adopted, and the motor stator in the structure is directly connected with the upper casing, the installation is simpler and more convenient, the cost of the complete machine is reduced, the axial stability is high, particularly, since the motor adopts the stator plastic encapsulating technology, the insulating property is good, and the safety performance is higher. The invention has the advantages of high efficiency, low noises, simple structure, and convenience in installation, can achieve a scrubbing function and is more suitable for mass production.
Owner:宁波普尔机电制造有限公司

Rotor shaft bearing design and coupling mechanism

An improved magnetic drive pump is disclosed with improved bearing support for the proximal and distal ends of the rotor shaft. Further, an improved mechanism to couple the inner magnet assembly to the rotor shaft is also disclosed. Finally a mechanism for sealing the pump chamber from the interior of the canister that surrounds the inner magnet assembly is disclosed which permits a separate supply of coolant to be used for cooling the inner magnet assembly and the proximal end of the rotor shaft wherein such a coolant is not the fluid being pumped in the pump chamber. The pump chamber is isolated from the interior of the canister.
Owner:VIKING PUMP

Torque sensor and measuring system

The invention relates to a torque sensor which comprises a flanged shaft and a stress sensor, wherein, the two end faces of the flanged shaft are provided with ring flanges so as to be used for fixedly connecting a rotating shaft of power equipment or the rotating shaft of a load. The invention also relates to a measuring system of the torque sensor, which comprises the load, the torque sensor and the power equipment which are sequentially connected, a coupling on the torque sensor fixedly connects the rotating shaft of the power equipment and the rotating shaft of the load. By arranging the ring flanges on the end faces of the torque sensor, on the one hand, distance dimension along the axial direction is shortened, axial stability is improved, the sensor is suitable for working conditions with special dimension and is more suitable for the occasions of high speed and super high speed due to the avoidance of the use of a bearing, and the application is wider; on the other hand, the installation process is simpler and is convenient for operation.
Owner:北京新宇航测控科技股份有限公司 +1

Self-piercing rivet

The invention relates to a self-piercing rivet 2 for producing a joint between at least two components, which self-piercing rivet comprising a rivet head 4 and a rivet shank 6 having a central borehole 8 of the shank, said rivet shank 6 also having a cylindrical outer surface 14 of the shank and an inner surface 16 of the shank bordering the central borehole 8 of the shank, while the outer surface 14 of the shank and the inner surface 16 of the shank are connected to the axial end of the rivet shank 6 facing away from the rivet head 4 via a flat bottom surface 20 of the shank and a shank end radius R2, said shank end radius R2 tangentially transitioning into the inner surface 16 of the shank, and said flat bottom surface 20 of the shank being connected to the outer surface 14 of the shank via a cutting edge 24.
Owner:BOLLHOFF VERBINDUNGSTECHNIK GMBH

Novel anti-rotation sealed connector

The invention discloses a novel anti-rotation sealed connector which comprises an inner conductor, an outer conductor and an insulator, wherein grooves are respectively radially arranged on the inner conductor, the outer conductor and the insulator, seal rings can be clamped into the grooves for completing sealing, anti-rotation barb and a fixed barb a are arranged on the outer diameter of the inner conductor, an anti-displacement barb is arranged on the outer diameter of a channel a, a fixed barb b is arranged on the bottom end surface of the channel a, and straight knurling is processed on the surfaces of the inner diameter and the outer diameter of the inner conductor as well as the inner diameter of the outer conductor, so that anti-rotation and sealing effects can be achieved and sealing performance can be thoroughly improved.
Owner:CHANGZHOU WUJIN FENGSHI COMM EQUIP

Axial Winding Motor

An axial-winding motor includes a stator and a rotor. The stator has a winding assembly, a first magnetic-conducting plate and a second magnetic-conducting plate. The first and second magnetic-conducting plates are coupled with two ends of the winding assembly in an axial direction of the winding assembly. The first magnetic-conducting plate includes a plurality of first pole pieces on an outer periphery thereof, and the second magnetic-conducting plate includes a plurality of second pole pieces on an outer periphery thereof. The rotor is rotatably coupled with the stator and has a plurality of magnetic pole faces facing the stator. One of the first pole pieces is at least partially overlapped with adjacent one of the second pole pieces in an axial direction of the stator.
Owner:SUNONWEALTH ELECTRIC MACHINE IND

Double-layer combined anesthesia catheter

The invention provides a double-layer combined anesthesia catheter. The double-layer combined anesthesia catheter comprises a catheter and a catheter connector, wherein the catheter is connected with the catheter connector in an inserting manner; the catheter comprises an inner layer and an outer layer; the inner layer is made of a nylon material and the outer layer is made of a polyurethane material; the inner layer and the outer layer are connected by thermal-melting compounding; a medicine outlet hole is formed in one end, far away from the catheter connector, of the catheter; and a spiral supporting wire is arranged between the inner layer and the outer layer. The inner layer of the catheter, which is made of the nylon material, has high rigidity and good axial stability is provided for the combined catheter; the combined catheter is not easy to bend, fold and flatten; and the nylon material has chemical inertness and is not easily subjected to a chemical reaction with medicine liquid passing through the catheter. The outer layer of the catheter, which is made of the polyurethane material, has high hydrophily and becomes smooth when meeting water, and easily passes through human tissues and skins, so that the friction damages are reduced; polyurethane has good flexibility and good biocompatibility, so that discomfort caused by the fact that the catheter is placed into a spinal dural outer cavity of a patient is alleviated; and the polyurethane is convenient for printing and scale lines can be deeply marked into the outer layer of the catheter.
Owner:LINYI XINGHUA MEDICAL EQUIP

Assembled bridge support

The invention belongs to the field of bridge supports, and particularly relates to an assembled bridge support which comprises a top plate. A top connecting rod is fixedly connected to the upper surface of the top plate, the outer surface of the top connecting rod makes contact with the inner surface of the bridge, and a main supporting mechanism is arranged at the bottom of the top connecting rod. According to the assembled bridge support, by arranging the limiting mechanism, when the main supporting mechanism and the auxiliary supporting mechanism retract, a push-pull rod downwards extrudes the upper surface of a pressing plate, the pressing plate increases the contact area between the bottom of the support and the top of a pier and increases friction force, a fixing pin is vertically embedded into the pier, and the axial stability is improved, an inclined rod is obliquely and downwards inserted into the pier through the action of a pushing-pulling rod; when an axial pressure is reduced, the inclined rods move upwards in an inclined mode, the clamping jaws abut against the interior of the pier, the springback amplitude of the support is reduced, meanwhile, the axial and radial stability of the support is improved, and the problems that when the internal pressure of a traditional bridge support is too large, springback is prone to occurring, and therefore, the structural stability of the support is influenced.
Owner:朱鹏程

Support connection device for warp beam of warping machine

The invention relates to a warp beam supporting and connecting device of a warper, comprising a warp beam, a winding and driving chain for driving the warp beam, connecting discs, a spline housing, spline shafts and a reciprocating shaft moving and driving mechanism. The two spline shafts are arranged at two ends of the warp beam and have coaxial line with the warp beam, the inner side end of each spline shaft is connected with the connecting discs, the two connecting discs are respectively connected with the warp beam into a whole by tightly pressing on the corresponding end of the warp beam or a connecting piece, the spline housing is bushed on the spline shafts in a sliding way, the winding and driving chain is connected on the spline housing, and the reciprocating shaft moving and driving mechanism is connected with the outer side end of the spline shafts, and drives the warp beam to carry out axial reciprocating movement by the spline shafts. The warp beam supporting and connecting device has the advantages that: the warp beam can carry out axial reciprocating motion of small stroke simultaneously when winding to lead adjacent upper and lower layers of yarns to form cross winding, so as to solve the problem that dyeing liquor rushes the yarns to be disorderly often occurring in warp beam dyeing and improve the warp beam dyeing quality; and the yarns have good axial stability and can achieve smaller winding density, the dyeing liquor is easy to penetrate, and the pumping power of the dyeing liquor is reduced.
Owner:姜一

Fabricated steel structure based on self-resetting angle braces and energy dissipation coupling beams

The invention discloses a fabricated steel structure based on self-resetting angle braces and energy dissipation coupling beams. The fabricated steel structure comprises steel frame beams and columns, the self-resetting angle braces and the energy dissipation coupling beams; the self-resetting angle braces are connected in an area near beam-column joints through bolts; the energy dissipation coupling beams are connected between the two steel frame columns through bolts; the columns and a foundation are connected through foundation bolts; and a stiffening rib is arranged near each bolt on a steel frame. According to the fabricated steel structure, under the action of static force, anti-seismic components keep elastic; under the action of an earthquake, the energy dissipation coupling beams always absorb earthquake energy through plastic deformation; the self-resetting angle braces provide deformation recovery capability for the structure under small, medium and large earthquakes; under a huge earthquake, the energy dissipation coupling beams fully deform to dissipate energy, meanwhile, the self-resetting angle braces enter a strengthening stage, the resistance of the structure is improved by rapidly increasing the bearing capacity so as to avoid overall collapse of the structure, and under the action of the earthquake, the structure is recovered to the initial position by the self-resetting angle braces while the earthquake energy is effectively dissipated.
Owner:BEIJING UNIV OF TECH

Double-row ball bearing for liquid crystal lens lapping machine

The invention provides a double-row ball bearing for a liquid crystal lens lapping machine and relates to a bearing for the lapping machine. The problem that high accuracy of a liquid crystal lens machine cannot be achieved due to the use of single-row angular contact ball bearing is solved. The double-row ball bearing comprises outer rings, inner rings, steel balls and a retainer and is characterized in that the two inner rings are arranged; steel ball grooves are formed in the inner rings; the two inner rings are axially arranged in parallel, so that the two steel ball grooves are centrosymmetric; steel balls are placed in the steel ball grooves; the steel balls are uniformly partitioned through the retainer; the outer rings are sleeved on the external sides of the steel balls; two sealed grooves are formed in the inner end surfaces of the outer rings; sealing rings are fixed in the sealing grooves; and the internal diameters of the sealing rings are in clearance fit with the external diameters of the inner rings. According to the invention, through adoption of the double-row steel ball design, the axial stability of the bearing can be effectively improved, a smaller axial space can be occupied, radial load and axial loads in two directions can be born, axial configuration with higher rigidity can be provided and overturning moment can be born.
Owner:SHANDONG BOTE BEARING +1

Pile-free self-stabilizing base of offshore wind power tower

The invention relates to the technical field of new energy, in particular to a pile-free self-stabilizing base of an offshore wind power tower. The base comprises a mounting column, a telescopic supporting column is arranged at the bottom of the mounting column, a sealing cover is arranged at the bottom of the supporting column, a fixing anchor is arranged at the bottom of the sealing cover, supporting plates are fixedly arranged on the outer walls of the upper portion and the lower portion of the mounting column, and a supporting frame is arranged on the outer wall of the mounting column. According to the base, the supporting column is configured to be in a telescopic form, so that the occupied space is small in the transportation process; a supporting column body can be formed by pumpingwater and gas in the supporting column in the installation process, and supporting is conducted under the water surface, so that the overall gravity center is lowered, and the stability is improved;and the height of the whole pile body can be adjusted according to the proportion of water to gas to adapt to tides; and the mounting column and the supporting frame are in flexible connection so thatthe stability can be kept in sea waves, self-shaking of the wind power tower is reduced, and the stability and the reliability of a connecting structure are improved.
Owner:SUZHOU PULUN ELECTRONICS TECH CO LTD

Composite sleeve compensator with warning device and intelligent management system thereof

The invention relates to a composite sleeve compensator with a warning device and an intelligent management system thereof. The composite sleeve compensator with the warning device comprises core tubes, corrugated pipes and a flow guide pipe, wherein the flow guide pipe is arranged in an inner cavity formed in the part from the left core tube to the right core tube; an outer sleeve pipe is arranged on the peripheries of the left corrugated pipe and the right corrugated pipe; the left end of the outer sleeve pipe is connected with the left core tube; the right end of the outer sleeve pipe is connected with the right core tube through a sealing device; the sealing device comprises a packing ring, a gland packing and a packing gland flange; the management system comprises a plurality of compensators, a signal transmission device and a central control unit; and all the compensators are in circuit connection with the signal transmission device and the central control unit. According to thecomposite sleeve compensator with the warning device and the intelligent management system thereof, the compensator is improved in sealing performance and not liable to leakage, and can maintain reliable sealing for a long time; besides, the service life is long, the maintenance cost is low, the operation is safe and reliable, and meanwhile the real-time management and safety monitoring level of the pipeline is greatly improved.
Owner:JIANGSU YONGLI PIPELINE CO LTD

Low-layer assembly type profiled steel sheet light-concrete composite wallboard, connecting structure and construction method

PendingCN114278004ANo wet workLight and fast installation effectStrutsFloorsCruciformBoard structure
The invention discloses a low-layer assembly type profiled steel sheet light-concrete composite wallboard, a connecting structure and a construction method. The low-layer assembly type profiled steel sheet light-concrete composite wallboard comprises a prefabricated profiled steel sheet wallboard structure, a horizontal connecting node structure, a vertical connecting node structure and the construction method. The wallboard comprises a rectangular frame structure, at least one layer of profiled steel sheet is arranged in the frame structure, a filling structure layer, a heat preservation structure layer and a panel layer are arranged on the two sides of the profiled steel sheet, and a plurality of broken bridge supporting structures are arranged in the heat preservation structure layer. The cross section of the bearing column is in a line shape or an L shape or a T shape or a cross shape, and the wall plate is connected with one side of the bearing column in a line shape through a connecting piece. The prefabricated parts are simple in structure, low in cost, convenient to produce automatically, rapid and convenient to install and high in construction efficiency.
Owner:中科绿筑(北京)科技有限公司

Bone-setting pin-board system

The invention provides a bone-setting pin-board system, which comprises a first fixing part (1) and a second fixing part (2), wherein the first fixing part (1) and the second fixing part (2) are integrally formed, fixedly connected or detachably connected; the first fixing part (1) comprises a main bone plate (101), and the main bone plate (101) is fixedly connected with a main nail (102) ; the second fixing part (2) comprises one or more branch bone plates (201), and the bone plate (201) is fixedly connected with a sub-nail (202) ; a plurality of bone plates (201) form an included angle or are parallel to each other in the length extension direction; a barbed structure (400) is arranged on the main nail (102) and / or the sub-nail (202). According to the invention, the Y-shaped nail designis adopted, the angle is fixed, the fixed strength is larger, and the axial stability is higher; a barbed structure is adopted on the main nail and the sub-nail, the knocking implantation is convenient, and the anti-pulling force of the nails after being implanted is higher; the bone damage to the metaphyseal end of a child is small, the amount of bone is reduced, and the interference of the inner-implanted object to the healing and development of the metaphyseal end is reduced.
Owner:WUXI PEOPLES HOSPITAL

Three phase hybrid magnetic bearing of three-freedom and two-slices

The invention of a new type of 3-DOF mixed pairs thin three-phase AC magnetic bearings, high-speed rotating machinery applicable to the 3-DOF suspension support. Take a permanent magnet ring at the same time as two thin magnetic bearings provide radial bias flux, divided into inner rotor, rotor structure and structure, internal and external structure of the rotor windings by the radial, at both ends of the thin sheet rotor, stator left flakes, circular Magnet, and the right, such as a thin stator 3-DOF exchanges mixed magnetic bearings; its axial freedom because of the thin radial magnetic bearings based on the principle of the permanent magnet motor thin bias passive role under control passive suspension of the stronger the magnetic bearings at the same time has a strong self-coordination function; two thin radial magnetic bearing with a tri-polar structure of a three-phase windings AC excitation, without axial control which also axial and radial coupling smaller axial suspension of its strong for both axial and radial interference or the presence of environmental load, and so they have greater applicability.
Owner:JIANGSU UNIV

Combined mandrel and mandrel body, end-toothed disc and locking nut thereof

ActiveCN105952679AFirmly connectedImprove solid performancePump componentsPumpsImpellerAir separation
The invention discloses a segmented mandrel body, an end-toothed disc, a locking nut, a combined mandrel and a compressor set, and belongs to the technical field of hundred-thousand air separation compressor sets. The segmented mandrel body comprises a first-section shaft, a second-section shaft, a third-section shaft, a fourth-section shaft, a fifth-section shaft, a sixth-section shaft, a seventh-section shaft, an eighth-section shaft and a tail shaft from right to left in sequence. The end-toothed disc comprises a stepped shaft type body. The locking nut comprises a sleeve. The impeller combined mandrel comprises the mandrel body, the end-toothed disc, the locking nut and an impeller. The compressor set comprises the impeller combined mandrel. The distance between the right end of the locking nut and the left end of the end-toothed disc can be finely adjusted by rotating the locking nut, so that the stability of the impeller between the locking nut and the end-toothed disc is further improved, that is, the axial stability of the impeller is better.
Owner:SHENYANG TURBO MASCH CORP

A Continuous Fiber Laminate with Variable Stiffness Composite

ActiveCN109514754BFix unevennessResolving In-Plane Stiffness VariationsFiber bundleAxial pressure
The invention belongs to the technical field of composite materials, and in particular relates to a continuous fiber variable stiffness composite material layup. It is woven by a plurality of continuous fiber bundles with variable angles. A single fiber bundle forms a Z-shaped structure after two inflections. The angles of the first straight line segment (1) and the third straight line segment (3) are the same. The angles of the two straight line segments (2) are different from the angles of the first straight line segment (1) and the third straight line segment (3), so that there are two elastic moduli in the same layer, and the in-plane rigidity of the composite laminate structure is realized. Change; the value of the included angle between adjacent straight line segments is: 20‑150 degrees. The invention solves the problem that the existing segmented fiber is discontinuous in the plane, and there is lamination at the intersection of two sections of fibers, which leads to the unevenness of the composite material laminate, and can simply and conveniently realize the in-plane The change of stiffness can effectively improve the axial compression stability of the laminate structure, and the processing and production are simple.
Owner:XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA

Pileless self-stabilizing foundation for offshore wind power towers

The invention relates to the field of new energy technology, in particular to a pileless self-stabilizing base of an offshore wind power tower, which includes a mounting column, the bottom of the mounting column is provided with a retractable support column, and the bottom of the support column is provided with a sealing cover. The bottom of the sealing cover is provided with a fixed anchor, and the outer walls of the upper and lower parts of the installation column are fixedly provided with a support plate, and the outer wall of the installation column is equipped with a support frame; the support column of the present invention is arranged in a shrinkable form, It does not take up space during transportation. During installation, pump water and air in the support column to form a support column, support below the water surface, reduce the overall center of gravity, improve stability, and the entire pile can be adjusted according to the ratio of water and air. The height of the body can adapt to the tide, and the flexible connection between the installation column and the support frame can maintain stability in the waves, reduce the shaking of the wind power tower itself, and improve the stability and reliability of the connection structure.
Owner:SUZHOU PULUN ELECTRONICS TECH CO LTD
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