105results about How to "Stable stiffness" patented technology

A cushion for seats, wheelchairs, mattresses, etc. is disclosed. The cushion includes fluid-filled cells. Each cell is in fluid communication with adjacent cells via conduits. Constrictures such as valves or constrictor clips may be applied to the conduits to restrict or otherwise regulate fluid flow into or out of a particular cell. In this way, the cushion may be customized on a cell-by-cell basis, providing a cushion that can be tailored to the individual needs of the patient.

Certain example embodiments of this invention relate to large-area transparent conductive coatings (TCCs) including carbon nanotubes (CNTs) and nanowire composites, and methods of making the same. The σdc / σopt ratio of such thin films may be improved via stable chemical doping and / or alloying of CNT-based films. The doping and / or alloying may be implemented in a large area coating system, e.g., on glass and / or other substrates. In certain example embodiments, a CNT film may be deposited and then doped via chemical functionalization and / or alloyed with silver and / or palladium. Both p-type and n-type dopants may be used in different embodiments of this invention. In certain example embodiments, silver and / or other nanowires may be provided, e.g., to further decrease sheet resistance. Certain example embodiments may provide coatings that approach, meet, or exceed 90% visible transmission and 90 ohms / square target metrics.

The invention relates to an endoscope-type device, particularly an endoscope for emergency intubation, comprising a holding portion (7) and a shaft (1) which is configured to be flexible at least in partial areas, with at least two longitudinal bendable pulling and / or pushing elements acting on said shaft (1) in the axial direction at different distances from the proximal end, with said pulling and / or pushing elements extending as far as the proximal end and being lockably received in a fixing device.

Certain example embodiments of this invention relate to large-area transparent conductive coatings (TCCs) including carbon nanotubes (CNTs) and nanowire composites, and methods of making the same. The σdc / σopt ratio of such thin films may be improved via stable chemical doping and / or alloying of CNT-based films. The doping and / or alloying may be implemented in a large area coating system, e.g., on glass and / or other substrates. In certain example embodiments, a CNT film may be deposited and then doped via chemical functionalization and / or alloyed with silver and / or palladium. Both p-type and n-type dopants may be used in different embodiments of this invention. In certain example embodiments, silver and / or other nanowires may be provided, e.g., to further decrease sheet resistance. Certain example embodiments may provide coatings that approach, meet, or exceed 90% visible transmission and 90 ohms / square target metrics.

The invention belongs to the technical field of building engineering and particularly relates to an integral assembling type building system and an installing method. The integral assembling type building system is characterized by comprising prefabricated steel reinforced concrete combination columns, prefabricated steel reinforced concrete combination beams, prefabricated reinforced concrete slabs, a prefabricated light integral inner wall and a prefabricated concrete heat preservation outer wall which are assembled together. The building system has the beneficial effects that all the members are prefabricated in a factory, quality is controlled conveniently, and the construction difficulty caused by outdoor weather changes can be reduced. Moreover, splicing is carried out on site, and installing is safe, fast and convenient. The recycle rate of formworks is high, work for the formworks and frame pipes on site is avoided, the number of times of use and consumption of the formworks and frame pipes are reduced, on-site labor is saved, the on-site dust raise phenomenon is improved substantially, the influence on the environment is small, and environmental pollution is reduced.

The invention relates to a novel reinforced-concrete combined pier column. The combined pier column comprises a fibre-reinforced composite material pipe, wherein a plurality of common reinforcing steel bars and a plurality of fibre bars are arranged in the fibre-reinforced composite material pipe in a distributing way along the length direction of the fibre-reinforced composite material pipe, these common reinforcing steel bars and these fibre bars are all coiled at the middle part in the fibre-reinforced composite material pipe by a plurality of hooping bars, and concrete is poured in the fibre-reinforced composite material pipe. The invention also relates to a corresponding construction method of the novel reinforced-concrete combined pier column. According to the novel reinforced-concrete combined pier column and the construction method of the novel reinforced-concrete combined pier column, the bearing capacity of a pier column structure can be enhanced; moreover, the shock resisting performance of a pier column and the recoverable performance after shock can be effectively enhanced; furthermore, the self weight of the structure is decreased; and the novel reinforced-concrete combined pier column has the characteristic of corrosion resistance under severe environments, such as ocean, humidity, saline-alkali soil and the like.

Certain example embodiments of this invention relate to large-area transparent conductive coatings (TCCs) including carbon nanotubes (CNTs) and nanowire composites, and methods of making the same. The σdc / σopt ratio of such thim films may be improved via stable chemical doping and / or alloying of CNT-based films. The doping and / or alloying may be implemented in a large area coating system, e.g., on glass and / or other substrates. In certain example embodiments, a CNT film may be deposited and then doped via chemical functionalization and / or alloyed with silver and / or palladium. Both p-type and n-type dopants may be used in different embodiments of this invention. In certain example embodiments, silver and / or other nanowires may be provided, e.g., to further decrease sheet resistance. Certain example embodiments may provide coatings that approach, meet, or exceed 90% visible transmission and 90 ohms / square target metrics.

Certain example embodiments of this invention relate to large-area transparent conductive coatings (TCCs) including carbon nanotubes (CNTs) and nanowire composites, and methods of making the same. The σdc / σopt ratio of such thin films may be improved via stable chemical doping and / or alloying of CNT-based films. The doping and / or alloying may be implemented in a large area coating system, e.g., on glass and / or other substrates. In certain example embodiments, a CNT film may be deposited and then doped via chemical functionalization and / or alloyed with silver and / or palladium. Both p-type and n-type dopants may be used in different embodiments of this invention. In certain example embodiments, silver and / or other nanowires may be provided, e.g., to further decrease sheet resistance. Certain example embodiments may provide coatings that approach, meet, or exceed 90% visible transmission and 90 ohms / square target metrics.

The present invention relates to a three-dimensional shock isolation equipment capable of simultaneously implementing horizontal and vertical shock isolation of building. Said equipment is divided upper and lower two portions. It lower portion is conventional shock isolator, and its upper portion is vertical shock isolator made of main butterfly spring group, auxiliary butterfly spring group and viscoelastic damper parallelly-combined system. Said invention also provides the concrete function of above-mentioned every portion and their arrangement method.

The invention relates to a preparation method of a titanium alloy spring made of a wire with a specially-shaped section and belongs to the technical field of springs. The spring is formed by winding of the titanium alloy wire with the specially-shaped section; the titanium alloy wire comprises the components in percentage by mass as follows: 2-4 of Al, 6-10 of V, 4-8 of Cr, 2-6 of Mo, 2-6 of Zr, 0.1-0.3 of Fe, 0.03-0.15 of Si and the balance of Ti. The section of the titanium alloy spring wire can be rectangular, square, orthohexagonal or oval. The titanium alloy wire wound into the spring is prepared with forging, pressing and hot rolling technologies, the wire is subjected to solution treatment before being wound into the spring, and a finished product of the spring is subjected to aging and strengthening treatment. A titanium alloy which is used for preparing the spring can play a weight reduction role, and meanwhile, the titanium alloy has the good corrosion resistance and the long fatigue life in an ocean environment. With the adoption of the wire with the specially-shaped section, the section area can be increased under the condition that specifications of wires are similar, so that the rigidity of the spring is improved, and the usage requirement of the titanium alloy spring under the high workload can be met.

A cushion for seats, wheelchairs, mattresses, etc. is disclosed. The cushion includes fluid-filled cells. Each cell is in fluid communication with adjacent cells via conduits. Constrictures such as check-valves and duckbill valves may be located inside the conduits to restrict or otherwise regulate fluid flow into or out of a particular cell. A control pin may be used to selectively enable or disable said constrictures. In this way, the cushion may be customized on a cell-by-cell basis, providing a cushion that can be tailored to the individual needs of the patient.

In a fluid dynamic pressure bearing, a capillary seal (32) is configured in a third fine clearance (11) defined between an upper peripheral surface of a bearing housing (4) and an inner circumferential surface of an annular member (30) fixed onto a rotor upper wall (16a). Furthermore, the annular member (30) is formed by press working.

The invention discloses a damping thrust bearing with a static water thrust self-balance function. The interior of the bearing is provided with two parts of parallel structures to jointly bear and balance thrust. A plurality of damping cylinders are arranged at the ahead end and the reverse end, and the damping cylinders at the ahead end are connected with a seawater pressure compensator on the outer side of a shell through a hydraulic pipeline. The part, at one ends of the damping cylinders at the ahead end, of the shell is provided with a lubricating oil inlet and outlet port in an up-down manner, and the thrust bearing achieves lubricating oil input and output according to the sea water pressure. Hydraulic oil in damping cylinder cavities in the reverse end directly communicates with lubricating oil in a damping thrust bearing cavity, and seawater pressure is not transmitted. The longitudinal vibration inherent frequency of a shaft system is reduced, a very good vibration isolationfunction is achieved for vibration within the paddle shaft system ahead and reverse full rotation speed range, and the damping thrust bearing is particularly suitable for a boosting shaft system for asubmersible vehicle.

The invention provides a fabricated building of a pre-assembling structure of a prefabricated section steel concrete shear wall. The building is provided with a structure preformed in a factory, and the preformed structure comprises section steel concrete shear walls, prefabricated section steel concrete beams, steel bar truss concrete slabs, prefabricated reinforced concrete stairs, light masonry partition walls, and prefabricated foam-concrete outer walls. The invention further provides a mounting method of the fabricated building of the pre-assembling structure of the prefabricated section steel concrete shear wall. The fabricated building disclosed by the invention is characterized in that all components are prefabricated in the factory, so that the quality of the components is convenient to control, and construction difficulties caused by the change of outdoor weather can be reduced. The fabricated building is assembled on site, and safe, rapid and convenient to mount; the recycling rate of templates is high, work about templates and tube frames is omitted on side, the use and the consumption of the templates and the tube frames are reduced, on-site workers are saved, and the phenomenon of on-site raise dust is greatly improved, so that the influence on environment is small, and the environmental pollution is reduced. The fabricated building disclosed by the invention is suitable for various houses and buildings, such as high-rises, small high-rises, garden houses and villas.

The invention relates to a joint variable-rigidity mechanism, in particular to a variable-rigidity mechanism based on geometrical features. The variable-rigidity mechanism aims to solve the problems that an existing variable-rigidity mechanism is complex in structure and poor in linearity, gaps and friction exist between the mechanism and a rod when the mechanism moves through a fulcrum, and consequently the position precision is low. The variable-rigidity mechanism comprises an output rod, a rigidity adjusting inner gear ring, a fulcrum gear, a fulcrum frame, a fulcrum bar, a middle rod, a spring, a shaft sleeve and two sliding blocks, wherein the sliding blocks are arranged at the two ends of the middle rod correspondingly, the spring is arranged on the middle rod located between the two sliding blocks in a sleeving mode, the shaft sleeve is arranged between the sliding blocks and the middle rod in a sleeving mode, and the shaft sleeve is axially positioned through bearing end covers arranged on the sliding blocks; and the fulcrum gear is engaged with the rigidity adjusting inner gear ring, and the fulcrum gear is arranged below the fulcrum frame and detachably connected with the fulcrum frame. The variable-rigidity mechanism is applied to a robot elbow joint.

Redundantly constrained laminar structures as weak-link mechanisms and a novel method for manufacturing the redundantly constrained laminar structures as weak-link mechanisms are provided. The method for producing the redundantly constrained laminar structures as weak-link mechanisms is carried out by lithographic techniques. A designed pattern is repeatedly chemically etched with a mask to produce a plurality of individual identical units. The units are stacked together to form the laminar structure and are secured together with fasteners. A high quality adhesive can be applied to the sides of the laminar structure to provide the mechanism equivalent to a single piece mechanism. The redundantly constrained laminar structures as weak-link mechanisms of the invention include a stack of a plurality of thin material structures. The stack of structures forming a laminar structure include multiple weak-link connections providing controllable movements in a plane of the layer and having a desired stiffness and stability. The plurality of thin material structures include predetermined locating-holes used with locating-pins to precisely stack the thin material structures together and are used with fasteners to secure the stack together.

A mirror for laser application and a method for manufacturing the mirror is disclosed herein. The mirror comprises several layers including a top layer used as the mirror surface. A cooling structure including a plurality of cooler layers are providing between the top layer, several intermediate layers and a bottom layer. Connections are provided for allowing a coolant to flow within the mirror. The mirror is constructed by stacking the layers on top of one another and connecting adjacent layers together by direct copper bonding or active soldering.

An areal metal element is described having a surface which extends from a first outside edge to a second outside edge lying opposite the first out-side edge. The region of the metal element adjoining the first outside edge forms a first edge region and the region of the metal element adjoining the second outside edge forms a second side region. Both side regions are connected to one another by a central region lying therebetween, with at least one completely bordered aperture being formed at least in one of the side regions, with its border being formed in one part by this side region and in another part by the central region. The central region includes at least two sections which each consist of two outwardly disposed part sections and a central part section lying therebetween. The outwardly disposed part sections are folded over with respect to the central section to produce the aperture. The sections form part of the border of the aperture and the central region including the sections is made in one piece with the two side regions of the metal element.

The invention relates to a composite stiffness damping shock absorber, and belongs to the technical field of shock absorbing devices. The shock absorber comprises a center shaft inserted in the center of a box-shaped base, and a coulomb damper which is axially constrained between the upper surface of a top plate of the base and the lower surface of an upper cover fixedly connected with the base is installed on the upper portion of the center shaft; the lower end of the center shaft is supported on a bottom plate of the base through a buffering friction ring and a main spring connected in series, and an elastic buffering ring limited between the lower surface of the top plate and the upper surface of the bottom plate of the base is lined in an inner cavity of the base; a sunk part is formed in the inner wall of the elastic buffering ring, and the buffering friction ring stretches into the sunk part in the radial direction; when the center shaft transmits small-amplitude vibration, a gap exists between the buffering friction ring and the elastic buffering ring; when the center shaft transmits large-amplitude vibration or deflects, the buffering friction ring makes contact with the elastic buffering ring. The shock absorber can provide stable stiffness and damping under the small-amplitude vibration load and generate sharply increasing damping in the process of large-amplitude vibration and has a multi-direction elastic limiting function, and transition is stable.

The invention discloses a combined type pressure regulating valve which simultaneously has pressure boosting and decreasing functions with longer service life. The invention comprises a valve body, wherein an internally communicated interface, an externally communicated pressure boosting interface and an externally communicated pressure decreasing interface are arranged on the valve body, a pressure regulating bolt is arranged on an upper cover of the valve body, an upper valve plate, an upper corrugated pipe, an upper connecting piece, a pressure regulating spring and an upper pressing block are arranged inside an upper valve cavity, and the internally communicated interface is communicated with the upper valve cavity; a valve seat is fixed in the upper valve cavity, the upper valve cavity and a lower valve cavity are communicated with each other through a valve seat cavity in the valve seat, and the lower valve cavity is communicated with the externally communicated pressure boosting interface; a lower valve plate, a lower corrugated pipe, a reset spring and a lower connecting piece are mainly arranged inside the lower valve cavity, the upper end of a passage in the lower valve plate is in seal contact with the upper valve plate, the lower end of the passage is communicated with the externally communicated pressure decreasing interface, and the lower valve plate can also block off the upper valve cavity and the lower valve cavity. The combined type pressure regulating valve which is widely applicable to the pressure stabilizing system of a low temperature pressure vessel can greatly simplify pipeline structure and improve production efficiency.

The invention relates to a wheel suspension for motor vehicles, comprising a wheel carrier (14), which has a wheel-side carrier part (16) that rotatably supports a vehicle wheel (12) and an axle-side guide part (18), between which a control element is connected, wherein the wheel-side carrier part (16) can be pivoted about a pivot angle relative to the axle-side guide part (18) to set a toe angle and / or camber angle when the control element is actuated. According to the invention, the wheel carrier (14), in particular the guide part (18) thereof, is guided directly or indirectly on a linear guide (26) affixed to the body in form of a slotted guide, allowing movement in the vertical direction.

A base for a temporary barrier has a spigot or socket to receive a fencing pole or to cooperate with a plastics fencing panel. The base has a support portion of plastics material on which is provided the spigot or socket. A pair of stabilizing members of plastics material of low profile extending in opposite directions from the support portion. A stiffening member is connected to each stabilizing member and extends horizontally from adjacent the remote end of one stabilizing member to adjacent the remote end of the other stabilizing member. In one form a pair of metal tubes extend upwardly and are connected to a hollow metal portion through which the stiffening member passes. In another form, a plastics portion projects upwardly and defines a socket.

A laminate is made by first non-crimping or low-crimping continuous filaments to form a first spunbond layer and preconsolidating the first spunbond layer with a heated or calendering roller. Then continuous filaments with a greater crimp than the continuous filaments of the first spunbond layer are deposited as a second spunbond layer over the first spunbond layer to create a two-layer structure. Finally, the two-layer structure of the first and second spunbond layers is consolidated such that a total thickness of the laminate is 0.15 to 3 mm, preferably 0.2 mm to 2.5 mm and especially 0.2 mm to 2 mm.

A vibration actuator includes an elastic body on which at least one projection is formed and a vibrating body including an electromechanical conversion device, and drives a driven member that is in contact with a contact portion of the projection by causing an end portion of the projection to perform an ellipsoidal movement in response to a combination of two vibration modes generated in the vibrating body when an alternating driving voltage is applied. The elastic body is formed integrally with the projection and a bonding portion between the projection and the electromechanical conversion device. A space is provided between the contact portion and the electromechanical conversion device to which the projection is bonded. The spring portion is provided between the bonding portion and the contact portion and causes the projection to exhibit a spring characteristic when the contact portion is pressed by the driven member.

The invention discloses a steel rib and steel frame beam connecting node, which is designed for solving the problems of being instable in structure caused by mutual interference of corresponding buried pieces of steel rib and steel frame beam, difficult to design, low in construction efficiency caused by projected connecting bracket and the like in the existing connecting process of steel rib and steel frame beam. The steel rib and steel frame beam connecting node disclosed by the invention comprises a steel rib positioned in concrete, a steel frame beam outside the concrete, and an end board arranged on the steel rib and exposed out of the concrete and not projected out of the concrete on the front face; and the steel frame beam is connected with the front face of the end board. The interference between the steel rib and the steel frame beam is eliminated, so that the steel rib and steel frame beam connecting node has the advantages of being stable in structure, convenient to transport, and convenient to pass through in order by reinforcing steel bars in the concrete; and the front face of the end board is not projected out of the concrete, so that the steel rib and steel frame beam connecting node is simple for connection, convenient for concrete slip-form construction and low in engineering cost.

The invention provides a difunctional alpha-type stirling refrigerator, and belongs to the technical field of refrigerators. The difunctional alpha-type stirling refrigerator comprises a piston cylinder and a piston, wherein the piston is arranged in the piston cylinder, the piston is in clearance fit with the inner wall of the piston cylinder; a closed cavity is formed in the piston; a cross-shaped four-way pipeline is arranged in the cavity of the piston; one-way air outlet valves and one-way air inlet valves are arranged on the four-way pipeline in the cavity of the piston; air outlets allowing the cavity of the piston to communicate with an inner cavity of the piston cylinder are formed in the piston; a traction frame capable of moving relative to the piston cylinder is arranged outside the piston cylinder; and the movement of the piston is controlled through the movement of the traction frame. The difunctional alpha-type stirling refrigerator has the advantages that the mechanical efficiency can be improved, working mediums can be converted into complete internal circulation, and the defects of leakage pollution can be overcome.

The invention relates to the technical field of polishing machining, and in particular relates to a polishing grinding tool and a preparation method thereof. The polishing grinding tool comprises a knife handle and a grinding head, wherein a pattern part is arranged at one end of the knife handle, the pattern part is sleeved with the grinding head, and the grinding head and the knife handle are arranged along a same central axis; the grinding head comprises an elastic deformation rubber layer and a resin grinding material layer coated on the outer surface of the elastic deformation rubber layer, and the resin grinding material layer is made of a material for the grinding material layer; and the material for the grinding material layer comprises the following raw materials in parts by weight: 25-35 parts of light-cured resin, 8-12 parts of filler, 55-65 parts of a grinding material and 0.4-0.8 part of assistant. The polishing grinding tool is simple and reasonable in structure, good inpolishing effect, high in abrasion resistance and long in service life. The grinding head made of the material for the grinding material layer is reliable in performance, stable in rigidity, resistantto abrasion and not prone to damage. The economic and practical performance is improved, and the defects in the prior art are overcome.