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101results about How to "Reduced wear damage" patented technology

Noise attenuation device and fluid coupling comprised thereof

Embodiments of a noise attenuation device comprise a plurality of stacked plates that form channels to reduce energy in a flow of working fluid that transits the noise attenuation device. In one embodiment, the stacked plates include plates having openings in different patterns. Orientation of the plates align the patterns in a housing to form the channels. In one example, the plates are disposed in a fluid coupling (e.g., a valve and / or flow regulator) that includes a throttling element. The plates are spaced apart from the throttling element, thereby permitting the working fluid to flow through all of the channels whether the throttling element is fully or partially open.
Owner:DRESSER IND INC

Wear-resistant antiskid latex glove and making method thereof

The invention discloses a wear-resistant antiskid latex glove and a making method thereof. The wear-resistant antiskid latex glove comprises natural latex, potassium hydroxide, titanium dioxide, sodium lauryl sulfate, sulphur, an accelerant, zinc oxide, an antiager, a thickening agent, an antifoaming agent and a wear-resistant agent. The particle diameter of the wear-resistant agent is 10-20 nm and prepared by mixing and grinding a polyurethane elastomer, organic montmorillonite, carbon fibers, lignin, carbon black, silicon dioxide, mica powder and nano calcium carbonate. The making method ofthe glove comprises the steps of glue preparation and material preparation, hand mold cleaning, dipping and leaching, vulcanization and surface treatment. The wear-resistant antiskid latex glove has the advantages of good flexibility, wear resistance and antiskid performance.
Owner:南通倍成劳护用品有限公司

Composite locking upright

ActiveUS20070270252A1Avoid wear and damageReduce abrasion damageTennisBall sportsFiber-reinforced compositeMechanical engineering
A composite locking upright having low weight and great rigidity for installation into a playing surface with built-in sleeves. The composite locking upright supports and secures a net at a net playing height for athletic sports such as, volleyball, tennis, and badminton. The composite locking upright may have a composite tube, a metallic tube, an upper protective collar, a lower protective collar, and a locking tool. The composite tube may be made of a light-weight, fiber-reinforced composite. The metallic tube is extendable and retractable from the composite tube and may be made of a light-weight, rigid metal. The protective collars may protect the composite tube substantially preventing damage to the reinforcing fibers during installation and setup. The locking tool locks the metallic tube with respect to the composite tube and thereby fixes a net at a playing height.
Owner:SPORTS IMPORTS

Steam washing machine with hanging-type clothes hanger

The invention relates to a steam washing machine with a hanging-type clothes hanger. According to the technical scheme provided by the invention, the steam washing machine with the hanging-type clothes hanger comprises a box body, wherein a steam generator is arranged in the bottom of the box body, a washing room used for accommodating clothes is arranged in the box body, and outer jet holes are arranged on the wall of the washing room, communicated with the steam generator and used for spraying steam into the box body. The steam washing machine is characterized in that a hanging rod is arranged at the upper part of the washing room, and at least one clothes hanger is arranged on the hanging rod; at least one jet cylinder with hollow interior is vertically arranged at the bottom of the washing room, the jet cylinders are arranged under the clothes hangers and are in one-to-one correspondence with the clothes hangers, the lower ends of the jet cylinders are communicated with the steam generator, and inner jet holes are densely distributed all over the body of the upper part of the steam spray cylinder. The invention has smart and reasonable structure, high automation degree and favorable washing effect and can realize soft washing and reduce the wear damage to clothes by a large extent.
Owner:丁晔

Correction mechanism and correction method on silicon wafer etching equipment

The invention discloses a correction mechanism on silicon wafer etching equipment, and relates to the technical field of silicon wafer production equipment. The correction mechanism comprises a base,a supporting seat, a conveying roller, a driving device, a conveying belt, a slide holder, a sliding seat, a correction mechanism and a guide wheel. The passive part of the correction mechanism is pushed by the trigger plate of the slide holder; a first gear with the diameter smaller than that of a rotating column is driven to rotate under transmission teeth on the rotating column (according to the transmission ratio principle in a mechanical transmission system, the rotating angle of the first gear equivalent to a small gear is larger than that of the rotating column equivalent to a large gear); the guide wheel is driven by the rotating part connected with the first gear to move in the arc direction from front to back along the arc end face of the silicon wafer, and front-back and left-right position correction of the silicon wafer is achieved. Besides, a second gear rotates along connecting teeth under the rotation of the rotating part, so that the guide wheel is driven to rotate. The static friction between the guide wheel and the silicon wafer is changed into dynamic friction, and the abrasion damage of the guide wheel to the silicon wafer is greatly reduced.
Owner:SUZHOU SAISEN ELECTRONICS TECH

Large-capacity constant-tension warp letting-off system and yarn distributing method thereof

ActiveCN106757703AUniform tension controlArrangement layers are clearLoomsYarnFiber
The invention discloses a large-capacity constant-tension warp letting-off system and a yarn distributing method thereof. The large-capacity constant-tension warp letting-off system comprises one or more than one yarn frame, wherein each yarn frame comprises n layers and m rows of yarn storage units. The large-capacity constant-tension warp letting-off system and the yarn distributing method disclosed by the invention have the advantages that the structure is simple and the use is convenient; the yarn distributing method is flexible, can finish combination according to the needs and is strong in adaptability; the space is saved and the warp-yarn arrangement levels are clear; the wearing damage of high-performance fiber is reduced; fast finding and restoration can be realized by observation or infrared detection and the like when yarns are broken; and when the tension is inconsistent in observation, fast finding and correction can be realized; and the operation is fast and convenient and the efficiency is high.
Owner:NANJING FIBERGLASS RES & DESIGN INST CO LTD

Airactuated Cone Clutch Fan Drive

A clutch assembly having an overall diameter and overall axial length. Both the axial length and the ratio of the length to the diameter are reduced. A translatable clutch piston is in communication with a pressure chamber and is movable between a piston neutral position and a piston activated position in response to air pressure. A cone clutch member is moved from a clutch engaged position to a clutch disengaged position in response to the translatable clutch piston moving from the piston neutral position to the piston activated position. The cone clutch member engages the rotating drive shaft when in the clutch engaged position. A clutch spring member biases the cone clutch member into the clutch engaged position with a clutch engagement force. The clutch spring has a primary spring ratio of a wire diameter to a spring diameter optimized such that a maximum spring force is achieved while minimizing the spring length. A movable carrier member for the spring member has an increased axial length to reduce and limit abrasion damage to the piston and member. The bearing assembly has a reduced axial length limited by the ratio of its length to its inner diameter.
Owner:BORGWARNER INC

Seal cavity throat protectors

Rotary shaft (220), housing (250) and packaging type seal (230) together form seal cavity (260). Seal cavity throat protector (200) in cavity (260) protects seal (230) against damaging materials from the region of impeller (210). Such material is directed away from seal (230) along spiral groove(s) (280) on inner surface of protector (200) with the assistance of flushing fluid entering cavity (260) via bore (270) and passing to inner surface of protector (200) via radial bores therethrough.
Owner:GARLOCK

Ice breaking ship

The invention provides an ice breaking ship. Continuous method ice breaking devices are correspondingly arranged on the broadsides on the two sides of a ship body, an impact method ice breaking deviceis arranged at the bottom of the ship body, according to the ice breaking ship, the continuous method ice breaking devices are provided, before the ice breaking ship is contacted with an ice layer, the action of a cone head structure on a hydraulic device is used for providing an instantaneous impact force for the vertical cross section of the ice layer, multiple times of impact can be achieved and used for breaking the inner part structure of the ice layer, crushability of the ice layer can be increased, and thus resistance is reduced in continuous ice breaking; and the action can also be used for breaking floating ice on the two sides of the ice breaking ship during sailing, thus lateral pressure on the ship body broadsides from the floating ice is reduced, and wear-out failure is reduced. According to the ice breaking ship, the impact method ice breaking device is provided, the ice breaking device extending out of the bottom of the ship and the potential energy effect are used, theice breaking efficiency is increased, the gravity of the ship bottom can be used for being gathered at one point or a part, thus stress of the ice layer is increased, the ice breaking efficiency is increased, and meanwhile the ship body structure is not damaged.
Owner:JIANGSU UNIV OF SCI & TECH

Screw feeder for underwater coarse mineral particles

The invention discloses a screw feeder for underwater coarse mineral particles. The screw feeder for the underwater coarse mineral particles comprises a cylinder and a rotary shaft. The rotary shaft is arranged in the cylinder and provided with screw blades. The two ends of the rotary shaft are pivoted to the cylinder. A feed port and a discharge port are formed in the outer walls of the two endsof the cylinder. The ends, close to the feed port and the discharge port, of the rotary shaft are each sleeved with an annular partition plate. The edges of the annular partition plates extend to positions near the inner wall of the cylinder. According to the screw feeder for the underwater coarse mineral particles, the internal pressure and the external pressure of the screw feeder can be kept balanced, so that uniform conveying of materials is achieved; meanwhile, the service life of the whole screw feeder is prolonged through the multiple sealing technique; and in addition, the adaptabilityof the feeder is improved through the replaceable screw blades.
Owner:CHANGSHA RES INST OF MINING & METALLURGY

Large glass engraving machine

The invention provides a large glass engraving machine. The large glass engraving machine comprises a rack, an engraving table arranged on the rack for placing glass, a glass loading device arranged at the front side of the engraving table, and an engraving device positioned above the engraving table; the engraving device is driven by a translation mechanism to transversely translate and longitudinally translate; an engraving tool is fixedly arranged on the engraving device; a vertical drive device is arranged on the engraving tool to drive the engraving tool to operate up and down; and a cooling system is further fixedly arranged on the engraving device. The large glass engraving machine can meet engraving work of large boards, is wide in applicability, can realize functions of automatic loading, automatic cutting and the like; and moreover, the service life of the tool and the service lives of related cutting devices are long, and maintenance is easy.
Owner:百能数控设备(福建)有限公司

Automatic balancing device for discharging outlet material receiving plates of parallel-connection mining crusher

The invention discloses an automatic balancing device for discharging outlet material receiving plates of a parallel-connection mining crusher, and belongs to the field of coal mine mechanical equipment. The automatic balancing device comprises the material receiving plates (1), a rotary bottom plate device (3), a single-chip microcomputer (5) and a supporting seat (8). A hydraulic control device (2) is connected between each material receiving plate and the rotary bottom plate device (3); the rotary bottom plate device (3) is hinged to the supporting seat (8); an inclination angle sensor (4) is arranged on a bottom plate (3-1); each hydraulic cylinder (2-2) is provided with a magnetostrictive displacement sensor (6); the output ends of the inclination angle sensor (4) and the magnetostrictive displacement sensors (6) are connected with the input end of the single-chip microcomputer (5), and the output end of the single-chip microcomputer (5) is connected with control circuits of the hydraulic control devices (2). The automatic balancing device can automatically adjust the balance of the two material receiving plates to reasonably distribute the positions of materials which fall onto a conveying belt, so that the abrasion damage to the conveying belt is relieved. The automatic balancing device for the discharging outlet material receiving plates of the parallel-connection mining crusher is good in adaptability, good in anti-disturbance performance and long in service life.
Owner:CHINA UNIV OF MINING & TECH +1

Polytetrafluoroethylene-reinforced adhesion ceramic coating and preparation method thereof

The invention discloses a polytetrafluoroethylene-reinforced adhesion ceramic coating material. The polytetrafluoroethylene-reinforced adhesion ceramic coating material includes the following components: by weight, 57.4-58.4% of micron alumina, 0.5-1.5% of nano zinc oxide, 0.4-0.8% of nickel powder, 0.2-1% of polytetrafluoroethylene and 30-50% of aluminum dihydrogen phosphate. The invention also provides an adhesion ceramic coating prepared from the ceramic coating material and a preparation method of the adhesion ceramic coating. The polytetrafluoroethylene-reinforced adhesion ceramic coatingis prepared by using a sol-gel method, the preparation process is simple, no complicated-structure and precise coating equipment is needed, and the cost is low.
Owner:SUZHOU UNIV

Electric power construction cable temporary connection twining device

The invention relates to a power construction cable temporary connection twining device, and discloses a device for clamping and fixing a connection end of a metal wire and twining and connecting themetal wire by rotation. The device is characterized in that one end of a connecting plate is vertically placed at the bottom of a slag storage box, a peeling groove is formed in the slag storage box,the slag storage box is an open container, the peeling groove is an open groove, cutters are respectively placed on two side walls of the peeling groove, the cutting edge of the cutters is of a zigzagstructure, a main vertical plate is vertically placed on one side edge of a base plate, the other end of the connecting plate is placed on one end of the main vertical plate by a rotating shaft, an open groove is formed in the central portion of the main vertical plate, main fixing and clamping plates are placed on the main vertical plate and located on one side of the open groove, auxiliary fixing and clamping plates are placed on the main vertical plate and located on the other side of the open groove, the main fixing and clamping plates and the auxiliary fixing and clamping plates are L-shaped plates, the opening directions of the main fixing and clamping plates and the auxiliary fixing and clamping plates are opposite, and an auxiliary vertical plate is vertically placed on the otherside of the base plate and is parallel to the main vertical plate.
Owner:HUNAN HENGGUANG TECH

Convenient-to-clean environment-friendly wallboard with microparticle adsorptivity

ActiveCN109403542APrevent dust phenomenonInhibit sheddingBuilding componentsEngineeringMicroparticle
The invention relates to a convenient-to-clean environment-friendly wallboard with microparticle adsorptivity. The convenient-to-clean environment-friendly wallboard comprises a main body and a guiding rod groove; bolt columns are connected to the left side and the right side of the top end of the interior of the main body, the main body is in threaded connection with the bolt columns, installation plates are installed on the inner sides of the bolt columns, and the main body is tightly attached to the installation plates; movable columns are arranged in the middles of the installation plates,and the movable columns are movably connected with the installation plates; and clamping plates are fixed to the upper ends and the lower ends of the installation plates, and locking plates are arranged in the middles of the inner sides of the clamping plates. The convenient-to-clean environment-friendly wallboard has the beneficial effects that the locking plates can be clamped between the mainbody and the guiding rod groove through movement of a guiding rod between the locking plates and the guiding rod groove, the dust between the main body and the guiding rod groove can be cleaned, the locking plates can be assembled and installed on the main body through the guiding rod, accordingly an adsorption material can be installed between the wallboard and the guiding rod groove, and the phenomenon that the adsorption material falls off can be prevented because the locking plates are clamped between the main body and the guiding rod groove.
Owner:SHANGHAI OUKAI ARCHITECTURAL ORNAMENT CO LTD

Machining equipment of oil holes for bearing blocks

The invention provides machining equipment of oil holes for bearing blocks. The machining equipment comprises a frame and drills. A turnplate which is horizontal is mounted on the frame. The turnplate can be driven by a power unit to intermittently rotate. The first drill and the second drill used for clamping a bit and a tap respectively arranged over the turnplate. At least one detachable fixture is mounted on the turnplate. After the detachable fixtures are rotated to positions under the drills, the turnplate stops rotating, the drills start feeding and withdraw till finishing, and the turnplate rotates again. The detachable fixtures are pneumatic clamping mechanisms; the detachable fixtures are used to feed and discharge material when a discharging station and a feeding station stops rotating. The machining equipment is simple in structure, drilling and tapping can be finished after single clamping is performed on the same equipment, re-clamping and re-positioning are not required, production efficiency is greatly improved, and manpower is saved.
Owner:FK BEARING GRP

System for preparing semi-coke from low-rank coal and method for preparing semi-coke

The invention relates to a system for preparing semi-coke from low-rank coal. The system comprises an air classification unit, a kneading unit, a tar oxidation unit, a screening unit, a shaping unit,a pyrolysis unit, a coal gas cooling unit, and a residual heat recovery unit. The invention further relates to a method for preparing semi-coke by using the system. The method and the system disclosedby the invention can solve the problems of low pulverized coal ball formation rate, low ball strength, severe gas explosion and a lot of half balls, and thus, the utilization rate of powder can be increased; and moreover, the yield and quality of pyrolytic tar and gas and semi-coke obtained by the method are high.
Owner:SHENWU TECH GRP CO LTD

A kind of vortex-free water pump control valve

A vortex-free water pump control valve, comprising: a valve body (1), a valve cover (2), a valve flap (3) and an opening and closing device (4); the valve body (1) is provided with a water inlet (11), a water outlet (12) and an assembly opening (13); the water inlet (11), the water outlet (12) and the assembly opening (13) are in communication with each other at an inner side of the valve body (1); the valve body (1) is provided therein with a valve seat (14); the valve cover (2) is disposed on the assembly opening (13) of the valve body (1) and is provided with a skirt sleeve (21); the valve flap (3) is movably disposed at an inner side of the skirt sleeve (21) of the valve cover (2), and the valve flap (3) is arranged so as to be in transmission connection with the opening and closing device (4); the valve flap (3) is provided thereon with a groove (36) and a 3-15 block copper-zinc alloy guiding block (37) which extends in the axial direction; an inner side wall of the skirt sleeve (21) is plasma-sprayed with a chromium oxide ceramic coating having a thickness of 0.1-0.6 mm; an angle between the axial center line between the water inlet (11) and the water outlet (12) as well as the axial center line of the valve cover (2) is 65±3°; and the opening and closing device (4) is fixed on the valve cover (2).
Owner:HUHANG TECH GRP CO LTD

Electric vehicle brake control device

The invention relates to an electric vehicle brake control device. The electric vehicle brake control device comprises a front wheel brake, a rear wheel brake, a left brake handle and a right brake handle and is characterized in that the rear wheel brake is provided with an electronic auxiliary brake device, the left brake handle is connected to the front wheel brake through a brake line and provided with an electronic auxiliary brake signal switch which is connected to a controller of the electronic auxiliary brake device of the rear wheel brake through wires, a brake block comprises the following components including chromic oxide, aluminum powder, copper scraps, intermediate super abrasion furnace black, phenolic resin, barium sulfate, glass fiber, mica, natural rubber, an anti-aging agent, an accelerator, sulfur, zinc oxide, stearic acid and high aromatic oil, and the weight percentage of the components according to a formula is shown in the description.
Owner:徐州光森电器工具有限公司
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