45results about How to "Reduced likelihood of wear" patented technology

The invention relates to an LAVAL pipe jet air stirring device used in a wet-process flue gas desulfurization system (WFGD) or similar fields for preventing sediment in a size tank. The device comprises a size tank, a plurality of eddy flow pipes arranged on the inner wall of the size tank, an air distributor, an LAVAL jet pipe and a valve, wherein the air outlet end of the LAVAL jet pipe is connected with the air inlet ends of the eddy flow pipes, the air inlet end of the LAVAL jet pipe is connected with the air outlet end of the air distributor, and the valve is arranged between the eddy flow pipes and the LAVAL jet pipe. The LAVAL jet pipe is used for accelerating jetting air with a certain pressure into the size, under the initial velocity and floatage, the air overturns and rises to drive size around to overturn so as to achieve the effect of stirring.

The invention belongs to the technical field of medical apparatuses, and particularly discloses a clinical hemostasis rescue device for the cardiology department. The clinical hemostasis rescue devicecomprises a first clamping plate of an L-shaped structure. A second clamping plate is installed on the upper surface of the first clamping plate. A second bolt is rotationally connected with the upper surface of the second clamping plate. The second bolt penetrates through the second clamping plate and extends to the outside. The rear side, close to the second bolt, of the second clamping plate is fixedly provided with a sleeve. The inner side wall of the sleeve is slidingly connected with a stand column. If the distance between the first clamping plate and the second clamping plate is largerthan the width of a hospital bed or a tabletop, the first clamping plate downwards slides, and the width of the second clamping plate is increased through a welding plate; when the widths of the first clamping plate, the second clamping plate and the welding plate are larger than the width of the hospital bed or the tabletop, medical staff make the first bolt penetrate through the first clampingplate and make contact with the welding plate, the welding plate and the first clamping plate are fixed, and the device can be conveniently fixed by the medical staff according to different fixing occasions.

A preform clamping head which is mounted at the lower part of a heating chain (8) includes an integral annular sleeve body (1), the outer surface of which inclines outwardly from bottom to top and the upper part of which is provided with a retracting space (2) for the inward retracting of the annular sleeve body when it is pressed. The invention has simple manufacture process and low manufacture cost. By means of the integral molding mode, the axial requirement of the preform clamping head is easier to satisfy, so that the bottle preform clamped on the outer surface of the sleeve body is capable of rotating stably along the heating chain and can be heated more uniformly during the heating process.

The invention relates to nuclear reactor core fuel components and discloses a three-arc spring for grid positioning and a utilization method of the three-arc spring. The three-arc spring which is composed of three waved arcs is used for grid positioning and longitudinally arranged in a grid, the length direction of the three-arc spring is parallel to that of a to-be-positioned object, and the three arcs are in two heights. Contact surfaces of the arcs of the three-arc spring and the to-be-positioned object are arc, one side of each of the first arcs 2 on two sides is connected with the grid, and the other side of each of the first arcs 2 are connected with the second arc 3 in the middle. When the three-arc spring is used, the three-arc spring for grid positioning is arranged in the grid longitudinally, outer sides of the first arcs 2 on two sides of the three-arc spring formed by the three arcs are enabled to connect with the grid, and the arcs having arc contact surfaces with the to-be-positioned object are enabled to contact with the to-be-positioned object.

The invention provides a camera module and electronic equipment. The camera module comprises a camera assembly; a decoration assembly which movably covers the camera assembly; and a telescopic mechanism component which is arranged on the peripheral sides of the camera assembly and the decoration assembly, wherein the telescopic mechanism component comprises a first guide part, the decoration assembly is movably arranged on the first guide part, and the decoration assembly can move close to or away from the camera assembly along with movement of the telescopic mechanism component. According to the embodiment of the invention, while the excellent performance of the camera module is ensured, the protruding height of the camera module on the electronic equipment can be reduced when the camera module is not used, so that on one hand, the aesthetic degree of the appearance of the electronic equipment is improved, and on the other hand, the mechanical reliability of the camera module on the electronic equipment is improved; and the possibility that the camera module is broken or worn is reduced.

The invention provides an uncemented tibial component of a trabecular structure. The uncemented tibial component comprises a tibial plateau, a liner and the trabecular structure, wherein the trabecular structure is arranged on the lower surface of the tibial plateau; the tibial plateau and the trabecular structure are integrally molded; the liner is melted on the upper surface of the tibial plateau; and the upper surface of the tibial plateau is a rough surface having a micro-porous structure. Preferably, the porosity of the trabecular structure is 50-65%. The aperture of the trabecular structure is 300-800[mu]m. The tibial plateau is a metal tibial plateau. The trabecular structure is a metal trabecular structure. The liner is a non-metal liner. The invention also provides a making methodof the uncemented tibial component of the trabecular structure. The uncemented tibial component of the trabecular structure provided by the invention is firm and stable in structure, and a postoperative early fixing effect and long-term stabilization can be improved; and the uncemented tibial component is simple and convenient to use, long in service life, skillful in design, concise in structureand simple and convenient to make.

The invention discloses a vacuum hard coating water needle plate and a manufacturing method thereof. The water needle plate comprises a strip and multiple water spraying holes arranged on the strip, and the water spraying holes are provided with coatings which are formed by a chemical vapor deposition method, a physical vapor deposition method or a plasma-enhanced chemical vapor deposition method. According to the vacuum hard coating water needle plate and the manufacturing method thereof, the wear-resisting performance of the surface of the water needle plate and the water spraying holes can be significantly improved.

The embodiment of the invention provides a crystallizer, a method for measuring the height of the liquid level of molten steel in the crystallizer and a related device. The crystallizer comprises a crystallizer body and a plurality of optical fibers. A plurality of parallel first grooves are formed in at least one side wall of the crystallizer body, and the same ends of the first grooves in the length direction extend to an upper opening of the crystallizer. One end of each optical fiber is independently arranged in the corresponding first groove, and the other ends of the optical fibers extend out of the corresponding first grooves and are used for being connected with a fiber grating demodulator. The accuracy and stability of crystallizer temperature measurement can be effectively improved, and then the accuracy and efficiency of acquiring the molten steel liquid level fluctuation state in the crystallizer through the crystallizer temperature measurement result can be effectively improved.

The invention relates to a high-performance and long-service-life space equipment precise conductive slip ring and a preparing method thereof. The conductive slip ring is composed of a single metal base body and a conductive abrasion resisting, corrosion preventing and self-lubricating integrated coating. The surface coating is formed in the manner that Cu-TiO2 composite powder of a core-shell structure is directly subjected to plasma spraying to a slip ring base body. The coating comprises components including, by mass percent, 62%-75% of Ti4O7, 12%-20% of Cu, 10%-15% of TixO2x-1 and 3%-10% of TiO2, wherein x is larger than or equal to 5 and smaller than or equal to 10. The surface multifunctional composite coating serves as a work layer of the conductive slip ring, good abrasion resistance of the composite coating is utilized, the metal base body of the conductive slip ring is protected, accordingly, the service life of the conductive slip ring is greatly prolonged, and long-time stable work reliability is improved. Meanwhile, the proportion of Ti4O7 in the composite coating is small, lightweight of the conductive slip ring is facilitated, the specific energy is improved, and good application prospects are achieved.

The invention provides an electrophotographic photoreceptor, a process cartridge, and an image-forming apparatus. The electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer disposed on the conductive substrate which serves as an outermost surface of the electrophotographic photoreceptor. The electrophotographic photoreceptor satisfies YC-YA>=0.1 MPa, YC-YB>=0.1 MPa, and YC<=4.5 MPa, where YA, YB, and YC (MPa) represent the Young's moduli of a surface of the photosensitive layer determined by nanoindentation at an indentation depth of 500 nm at end portionsA and B extending from a position 10 mm to a position 70 mm from the respective edges of the photosensitive layer toward the center of the photosensitive layer in an axial direction of the electrophotographic photoreceptor and a central portion C extending from a position 20 mm in front of and to a position 20 mm behind the center of the photosensitive layer in the axial direction of the electrophotographic photoreceptor, respectively.

The invention relates to a ceramic milling cutter suitable for rough machining. The milling cutter is made of AL2O3/TiB2 metal ceramic materials and is mainly composed of a handle part, a neck part and a cutting edge part, the front end of the handle part is connected with the rear end of the neck part, the front end of the neck part is connected with the rear end of the cutting edge part, the handle part is used for installing the cutter and a cutter handle, the neck part is used for avoiding interference during cutting of the milling cutter, and the cutting edge part is a part, actually participating in cutting of a nickel-based high-temperature alloy workpiece, of the milling cutter. The cutting edge part is divided into two parts, the first part is a spiral cutting edge part which comprises a cutting edge and chip containing grooves, the cutting edge is composed of circumferential edges, end edges and tool nose R angles connecting the circumferential edges and the end edges, the tool nose R angles are used for connecting the circumferential edges and the end edges at the corresponding positions, and the two end edges are evenly distributed in the radial direction relative to the center of the front end face of the cutting edge part. Each end edge corresponds to one tool nose R angle and one circumferential edge, the circumferential edges are spirally arranged on the outer circumferential ring face of the cutting edge part at intervals, and the chip containing grooves are spirally arranged on the inner circumferential ring face of the cutting edge part at intervals (located behind an annular tooth frustum part and in front of the cutting edge part). The second part is the annular tooth frustum, at least three blades are arranged on the circumferential surface of the blade part, and a chip discharging groove is formed between every two adjacent blades. The blades are composed of cutting teeth which are arranged at equal intervals in the axial direction.

The invention provides a novel vehicle-mounted refrigerator which comprises a refrigerator body and a refrigerator door arranged at an opening of the refrigerator body. The food storage inner container is arranged in the box body, a storage rack and a storage box are arranged in the food storage inner container, the storage rack is connected with the inner wall of the food storage inner container in a clamping mode, the storage box is arranged below the storage rack, and the storage box is connected with the bottom face of the food storage inner container in a sliding mode; therefore, the vehicle-mounted refrigerator has the characteristic that the connectivity between the storage rack and the food storage inner container is improved, meanwhile, the storage box is arranged, food or fruits can be placed in the storage rack or the storage box according to the characteristics of the food or the fruits, and the situation that due to the fact that the vehicle-mounted refrigerator moves, the food or the fruits cannot be stored in the storage box is reduced. And meanwhile, the possibility that the food is easy to fall off after the refrigerator door is opened is also reduced.

The invention discloses a differential pressure oil supply structure of a horizontal scroll compressor, the differential pressure oil supply structure comprises an oil-gas separation device and an oil return pipe, the oil-gas separation device is arranged in a high-pressure cavity and is arranged on the exhaust port side of a compression mechanism, and the oil-gas separation device is used for separating lubricating oil in exhaust gas of the compression mechanism and storing the lubricating oil in a high-pressure cavity oil pool; one end of the oil return pipe is communicated with the high-pressure cavity oil pool, and the other opposite end is communicated with an internal oil path of the main bearing seat; the thrust surface of the main bearing seat is in close contact with the bottom surface of the movable scroll plate to form a closed bearing cavity, the bearing cavity is respectively communicated with an internal oil path of the main bearing seat and an internal oil path on the crankshaft, the internal oil path of the crankshaft is communicated with a shaft head of the crankshaft and a shaft tail of the crankshaft, and lubricating oil can be transmitted to a low-pressure cavity oil pool from a bottom bearing at the shaft tail of the crankshaft. According to the scroll compressor, an oil way is greatly shortened, pressure drop and leakage in the oil way are reduced, the movable scroll bearing is always soaked in lubricating oil, and the possibility that the bearing is abraded during heavy-load operation of the compressor is reduced.

A fabric having first section and having first pores created by the interlacings of yarn in a first pattern, and having a first average pore size. The fabric also includes a second fabric section having second fabric pores created by the interlacings of yarn in a second pattern, and a second average pore size. The number of first interlacings of yarn is greater than the number of second interlacings of yarn. The first fabric provides strength to the second fabric. The first fabric pattern designed to mitigate any unravel of a second pore yarn in the event it is severed.