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16 results about "Head gasket" patented technology

A head gasket is a gasket that sits between the engine block and cylinder head(s) in an internal combustion engine. Its purpose is to seal the cylinders to ensure maximum compression and avoid leakage of coolant or engine oil into the cylinders; as such, it is the most critical sealing application in any engine, and, as part of the combustion chamber, it shares the same strength requirements as other combustion chamber components.

Die head gasket, die head and extrusion coating machine

The utility model belongs to the technical field of pole piece processing, and discloses a die head gasket, a die head and an extrusion coating machine. The die head gasket comprises a gasket body, a flow adjusting module and an opening adjusting module. The gasket body is provided with a discharging opening, and slurry in a die head can flow out of the discharging opening to a die head nozzle. The flow adjusting module is detachably connected to the gasket body and can partially block the slurry from flowing into the inlet of the gasket body so as to adjust the flowing state of the slurry in the gasket body. The opening adjusting module is movably connected to the gasket body and can partially extend out of the discharging opening so as to adjust the opening width of the discharging opening. According to the die head gasket, the flowing uniformity of slurry can be effectively adjusted, all parts can be conveniently detached and replaced so as to meet diversified coating requirements, the flexibility and the operation convenience are improved, and the production cost is reduced.
Owner:SUZHOU QINGTAO NEW ENERGY TECH CO LTD

Processing method for preventing edge of positive plate from being too thick and positive plate

The invention discloses a processing method for preventing the edge of a positive plate from being too thick and the positive plate, and the processing method comprises the following steps: S1, slurry pretreatment: filtering positive slurry through a precise filter screen, adding a nonionic surfactant, and uniformly stirring; s2, slurry rheology regulation and control: carrying out shear pretreatment on the slurry until the shear viscosity is 1200-1800 mPa.s; s3, a die head gasket is optimized, specifically, an inwards-concave wedge-shaped gasket is adopted, the edge thickness of the gasket is smaller than that of a central area, and a fluid resistance gradient field is formed; s4, coating is controlled through pressure pulsation, specifically, pressure fluctuation in a die head is monitored in real time through a pressure feedback system, and the extrusion speed is dynamically adjusted according to the monitoring result; and S5, differential drying treatment: enabling the coated positive plate to pass through a multi-section drying system, wherein the drying temperature of an edge area is 15-25 DEG C lower than that of a central area. The processing method provided by the invention can effectively prevent the problem that the edge of the positive plate is too thick, and improves the performance and safety of the battery.
Owner:广东嘉尚新能源科技有限公司

Cylinder head joint gas leakage mitigation

An internal combustion engine system includes a cylinder block, a plurality of bite rings, a cylinder head, and a head gasket. The cylinder block defines a combustion cylinder. The plurality of bite rings encompass the cylinder. The cylinder head is coupled to the cylinder block and covers the combustion cylinder. The head gasket is disposed between the cylinder head and the cylinder block and is structured to engage with the plurality of bite rings. The cylinder head may further include an expansion groove that is disposed between adjacent ones of the plurality of bite rings and extends in a circumferential direction around the cylinder head.
Owner:CUMMINS POWER GENERATION LTD

Slit extrusion type coating die head gasket capable of being quickly assembled

The utility model relates to a slit extrusion type coating die head gasket capable of being quickly assembled, which belongs to the technical field of manufacturing of lithium ion batteries for new energy automobiles, and comprises a gasket main body which is responsible for limiting transverse fluid; the gasket body is provided with a plurality of lateral flow baffles, the lateral flow baffles are provided with connecting clamping grooves, the lateral flow baffles are all connected to the gasket body through the connecting clamping grooves, the lateral flow baffles are responsible for flow limiting of lateral fluid, and the lateral flow baffles are all provided with chamfers. Products with different sizes and edge thicknesses can be switched in a short time, the cost is reduced, and the time debugging period is shortened.
Owner:FAW FUDI NEW ENERGY TECH CO LTD

Cylinder head joint gas leakage mitigation

An internal combustion engine system includes a cylinder block, a plurality of bite rings, a cylinder head, and a head gasket. The cylinder block defines a combustion cylinder. The plurality of bite rings encompass the cylinder. The cylinder head is coupled to the cylinder block and covers the combustion cylinder. The head gasket is disposed between the cylinder head and the cylinder block and is structured to engage with the plurality of bite rings. The cylinder head may further include an expansion groove that is disposed between adjacent ones of the plurality of bite rings and extends in a circumferential direction around the cylinder head.
Owner:CUMMINS POWER GENERATION LTD

Lock head gasket riveting positioning device

The utility model discloses a lock head gasket riveting positioning device which comprises a fixed bottom plate. Two linear guide rails and a first air cylinder are fixedly arranged on the surface of one side of the fixed bottom plate. The output end of the first air cylinder is fixedly connected with a steel wire rope jacking piece, and the steel wire rope jacking piece slides along the linear guide rail. The steel wire rope jacking piece comprises a notch part arranged at the end of the steel wire rope jacking piece. A fixed seat is arranged between the two linear guide rails, and a first through hole, a lower riveting head and a steel wire rope supporting plate are arranged on the fixed seat; the lower riveting head comprises a lower riveting head main body, two first positioning bulges and two second positioning bulges; the steel wire rope supporting plate comprises a supporting plate body and a trapezoidal protruding block arranged on the supporting plate. The two first positioning protrusions and the two second positioning protrusions arranged on the lower riveting head can correspond to the first positioning holes and the second positioning holes in the lock head gasket, and therefore positioning can be achieved. And the steel wire rope jacking piece can jack the steel wire rope, so that the accommodating groove and the steel wire rope are conveniently positioned.
Owner:JIAXING NIUDA TECH CO LTD

Slit extrusion type die head gasket suitable for wide coating

The utility model relates to a slit extrusion type die head gasket suitable for wide coating, which belongs to the technical field of manufacturing of lithium ion batteries for new energy automobiles, and comprises a gasket main body, the gasket main body is of a U-shaped structure, and the upper sides of two wings of the U-shaped gasket main body are respectively provided with a blank area. Two blank areas are arranged on the gasket main body 1, a first ceramic runner milling groove is arranged below each of the two blank areas, a second ceramic runner milling groove is arranged above each of the two blank areas, and a chamfer is arranged at the top point of each of two wings of the U-shaped gasket main body 1, so that the gasket can adapt to the manufacture of a lithium electrode plate with the coating width of 1000mm-1200mm through the unique design of the chamfers of the gasket; the problem of thick edge of the dressing is avoided, and the influence on the safety of the battery cell caused by the problems of poor lap joint of the ceramic and the dressing, easy generation of foil leakage and the like in the traditional pole piece production process is effectively solved through the unique design of the island and the ceramic runner milling groove depth.
Owner:FAW FUDI NEW ENERGY TECH CO LTD

Novel waterproof detachable plug type connecting structure

The utility model relates to a novel waterproof detachable plug-pull type connecting structure which comprises a handle rod and a handle plug-pull matching screw which are both of a hollow structure, and further comprises a female head gasket, a female head, a male head cushion block and a male head. Three grooves are formed in the lower end of the handle rod from top to bottom along the circumference and correspondingly provided with a straight-down hand-screwing nut, a clamping spring and a handle rod sealing ring respectively, meanwhile, a female head mounting groove is formed in the handle rod, a female head gasket, a female head, a bolt sealing gasket and a bolt are installed, and a male head mounting groove is formed in the handle insertion and extraction matching screw. And the handle rod is screwed through the straight down hand-screwing nut and is matched with the thread of the handle pull-plug matching screw to extrude the handle rod sealing ring, so that the handle rod is connected with the straight down hand-screwing nut in a sealing manner. The device is convenient to disassemble and assemble, seawater corrosion is effectively prevented, the 80-meter deep-sea sealing waterproof function is achieved, and the technical contradiction that a traditional integrated structure cannot give consideration to portability and deep-sea sealing at the same time is solved.
Owner:HUNAN EBELNO TECH CO LTD

Method for preventing deformation of a longeron end skin and method for forming an end pad

The application discloses a kind of preventing long string end head skin deformation method and end head gasket forming method in the technical field of composite material manufacturing process, comprising the following steps: long string is placed in the forming recess in the upper surface of forming curing tool;Place core mold;End head gasket is placed in the gasket groove in the upper surface of forming curing tool, and the gasket groove is vertically communicated with forming recess, and the end head gasket ballast is fixed above core mold;Skin is laid on the upper surface of forming curing tool, and the end of the skin is on end head gasket;Curing is carried out.The application carries out vertical rigid support to skin by end head gasket, not only can reduce the influence of uneven pressure on skin, thereby preventing skin deformation, but also simple operation, strong practicality.
Owner:CHINA BUILDING MATERIALS (SHANGHAI) AVIATION TECH CO LTD

High-strength automobile steering knuckle

The utility model discloses a high-strength automobile steering knuckle which comprises a steering knuckle body and a shaft rod fixedly installed in the steering knuckle body, a high-strength piece is fixedly installed on one side of the steering knuckle body, a fastening groove is formed in the surface of the steering knuckle body, an oil inlet is formed in the fastening groove, and the oil inlet is communicated with the high-strength piece. The high-strength automobile steering knuckle is characterized in that a sealing ring is additionally arranged on the inner wall of the oil inlet, a connecting ring is arranged in the oil inlet, a sealing gasket is installed on the connecting ring, a sealing mechanism used for sealing oil liquid is arranged in the oil inlet, and an oil port sealing head is arranged in the oil inlet. The end socket gasket is arranged on the oil port end socket again, after the oil port end socket is installed, three-layer sealing can be formed, the risk of oil leakage is greatly reduced, the pressing rod which is manually pulled is rotated, the inclined face pressing block applies strong pressure to the oil port end socket, the pressure enables the sealing gasket, the sealing ring and the end socket gasket to form compensation, and the sealing performance is greatly improved.
Owner:CHANGAN UNIV

Coating die head gasket

The utility model discloses a coating die head gasket which comprises a gasket base body and two quick gear shifting edges, the two quick gear shifting edges are detachably installed at the two ends of the gasket base body respectively, the gasket base body and the two quick gear shifting edges are combined to form a U-shaped structure, protruding parts are arranged on the opposite sides of the two quick gear shifting edges, and the two quick gear shifting edges are arranged on the gasket base body. And a discharging channel allowing the coating to flow out is formed between the two protruding parts. According to the utility model, the inventory cost of the coating gasket can be greatly reduced, and meanwhile, the purchasing and management difficulty is reduced.
Owner:KATOP AUTOMATION CO LTD

Method for saving activated carbon and porcelain ring in lower head of converter in calcium carbide method polyvinyl chloride production

PendingCN122098397AReduce filling weightReduce the risk of hoisting installationChemical/physical/physico-chemical stationary reactorsActivated carbonPolyvinyl chloride
The application discloses a method for saving activated carbon and porcelain rings in a lower head of a converter in production of calcium carbide method polyvinyl chloride, and belongs to the technical field of polyvinyl chloride production, and comprises the following steps: S1, horizontally welding a support frame in a straight cylinder section of the lower head of the converter; S2, laying a steel grating on the support frame, laying a steel wire mesh on the steel grating, and fixing the steel wire mesh to the steel grating by iron wires; the support frame is horizontally welded in the straight cylinder section of the lower head of the converter, the steel grating is laid on the support frame, the steel wire mesh is laid on the steel grating, and the steel wire mesh is fixed to the steel grating by the iron wires; the glass silk cloth I is laid on the steel wire mesh through edge pressing, the lower head gasket is placed on the pressing surface of the lower head, the activated carbon is laid on the glass silk cloth I, the glass silk cloth II is laid on the activated carbon, the filling of the phi 50 porcelain ring and the phi 25 porcelain ring is cancelled, the filling amount of the activated carbon in the lower head of each converter is effectively reduced, the filling weight of the lower head of the converter is reduced, and the lifting and installation risk of the lower head of the converter is reduced.
Owner:XINJIANG ZHONGTAI CHEM TOKSUN ENERGY & CHEM CO LTD +1

Mounting and positioning device for gasket of coating die head

The utility model discloses a coating die head gasket installing and positioning device, including: lower die head, upper die head and height adjustment subassembly, height adjustment subassembly includes fixed link, first recess, positive and negative motor, threaded lead screw and slider, the left surface of lower die head is fixedly connected with the fixed link, the upper surface of fixed link is fixedly connected with positive and negative motor, the threaded lead screw is fixed with the fixed link, and the threaded lead screw is fixed with the fixed link. The output end of the forward and reverse motor is fixedly connected with a threaded lead screw, the side surface of the threaded lead screw is in threaded connection with a sliding block, the right surface of the sliding block is fixedly connected with a lower die head, and a first fixing block is fixedly connected to the left surface of the lower die head. And it is ensured that the relative position precision of the upper die head and the lower die head is always kept in the moving process, then the installation position of the gasket is more accurate, the outer side of the gasket can be limited while the interior of the gasket is limited, and the position of the gasket is stable.
Owner:TIMES FAW POWER BATTERY CO LTD

Drawable hard disk magnetic head extractor

ActiveCN224059735UMetal-working hand toolsPhysicsHead gasket
The utility model belongs to the technical field of hard disk repair, and particularly relates to a drawable hard disk magnetic head extractor which comprises a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are fixedly connected through a first support and a second support, and the outer wall of the second support is rotatably connected with an annular plate. A first connecting plate is fixedly connected to the outer wall of the annular plate, a third mounting plate is slidably connected to the interior of the first connecting plate, a second connecting plate is fixedly connected to one side of the third mounting plate, and a magnetic head gasket is mounted on one side of the second connecting plate. Through the combined design of the fixing plate and the support, a stable operation platform is formed, potential damage caused by vibration and displacement can be effectively avoided when the magnetic head assembly is taken out, the operation flexibility is improved through the rotation design of the annular structure, the equipment can meet the specific requirements of different hard disk models and magnetic head positions, and the operation efficiency is improved. And the complexity and the time consumption of the adjustment process are reduced.
Owner:SHENSU DATA TECHNOLOGY (GUANGZHOU) CO LTD

Cylinder head joint gas leakage mitigation

An internal combustion engine system includes a cylinder block, a plurality of bite rings, a cylinder head, and a head gasket. The cylinder block defines a combustion cylinder. The plurality of bite rings encompass the cylinder. The cylinder head is coupled to the cylinder block and covers the combustion cylinder. The head gasket is disposed between the cylinder head and the cylinder block and is structured to engage with the plurality of bite rings. The cylinder head may further include an expansion groove that is disposed between adjacent ones of the plurality of bite rings and extends in a circumferential direction around the cylinder head.
Owner:CUMMINS POWER GENERATION LTD