62results about How to "Improve friction characteristics" patented technology

A lube base oil satisfying at least one of the following requirements (a) and (b). A lubricating oil composition for internal combustion engines is provided which comprises the lube base oil, an ash-free antioxidant containing no sulfur as a constituent element, and at least one member selected among ash-free antioxidants containing sulfur as a constituent element and organ omolybdenum compounds. Also provided is a lubricating oil composition for drive transmission devices which comprises the lube base oil, a poly(meth)acrylate-type viscosity index modifier, and a phosphorus compound. (a) The content of saturated matters is 90 mass% or higher and the proportion of cyclic saturated matters in those saturated matters is 10-40 mass%. (b) The lube base oil satisfies the relationship represented by the following expression (1). 1.440=n20-0.002OEv100=1.453 (1) [In the expression, n20 indicates the refractive index at 20 DEG C of the lube base oil and kv100 indicates the dynamic viscosity (mm2/s) at 100 DEG C of the lube base oil].

The invention discloses an inclined-disc-rotating internally-disposed valve flow distribution axial plunger pump which comprises a front end cap, a front pump body, a pump shaft, a bearing component, a sealing component, a rear pump body, an inclined disc, a plunger sliding shoe component, a return spring, a cylinder body, a suction valve set, a rear end cap and an extrusion valve set. The pump shaft is arranged in the front pump body, the bearing component is mounted in the pump shaft, the inclined disc is mounted in the rear pump body, the suction valve set is mounted in the cylinder body, the extrusion valve set is mounted in the rear end cap, the pump shaft drives the inclined disc to rotate through a spline and jointly bears axial force and radial force of the inclined disc through a thrust bearing and a deep groove ball bearing, the cylinder body is fixed on the rear pump body and is relatively static, and the suction valve set and the extrusion valve set are mounted at the tail of the cylinder body and the rear end cap respectively. The inclined-disc-rotating internally-disposed valve flow distribution axial plunger pump is simple in structure, convenient to maintain, higher in specific power and performance-cost ratio, high in anti-fouling performance and especially suitable for high-pressure water pumps, leakage of the plunger pump is reduced effectively, and working pressure and volume efficiency are improved.

The invention relates to a composition for double clutch gearbox oil. The composition comprises the following components in parts by mass: 0.5-15 parts of viscosity index improver, 0.05-10 parts of friction improver and 0.1-10 parts of ionic liquid. The invention further relates to use of the composition and wet type double clutch gearbox lubricating oil comprising the composition. The composition provided by the invention can satisfy the lubricating requirements of clutches, a synchronizer, a gear and a bearing in a wet type double clutch gearbox, and thus can be used for the wet type double clutch gearbox lubricating oil. The lubricating oil has excellent low temperature performance, frictional characteristic, performance of the synchronizer and rust and corrosion resistance. Compared with similar marketed products, the lubricating oil added with the composition has a remarkable advantage in wearing endurance and is simple in ingredients and simple and convenient in manufacturing process.

The embodiment of the invention relates to a bearing cage used for rolling bearings. The bearing cage (10) has a plurality of bearing cage segments (11) for accommodating rolling bodies in rolling body pockets (13) formed through the bearing cage segments (11). Each bearing cage segment comprises a coupling arrangement (14), which is formed to arrange the segments on a carrier ring (12) that is formed as a lamellar ring. The bearing cage (10) has at least one carrier ring (12) that is formed as a lamellar ring, the carrier ring (12) brings the segments on the carrier ring by the coupling arrangement (14), so that at least one rolling body pocket (13) is formed by two bearing cage segments (11) arranged in a circumferential direction adjacent to the carrier ring.

The invention relates to an H-type rotary joint which comprises a joint body, a space ring, a hollow shaft, an inner water pipe, an internal circlip, a bearing, an external circlip, a spring compensating component and a sealing component, wherein the inner water pipe is arranged in the joint body, and the spring compensating component and the sealing component are connected mutually and are arranged in the rear of the hollow shaft. The H-type rotary joint is small in size, lightweight, more reliable in sealability, less in friction force and longer in service life, and working stability and the service lives of rollers of a continuous casting machine are further guaranteed.

The invention relates to a control valve for regulating a coolant circuit of an internal combustion engine, preferably, controlling different cooling water flowing in a thermal management module. The control valve has a valve housing, on which a supply port for cooling water is arranged, which is connectable to an exhaust port, depending on the position of the valve body housed in the valve housing. Thus, the coolant flow paths are adequately sealed, the control valve comprises a sealing ring, which seals in the radial direction, and a sealing element which seals in an axial direction.

The invention provides a high-performance self-lubricating composite material. The composite material does not need to be rolled, and overcomes the defect that the conventional material is prepared byrolling; and a bearing made of the material has good friction resistance and long service life, and meets higher use requirements of customers. The composite material comprises a metal flat plate anda polymer material pad compounded into a whole, wherein the polymer material pad is specifically a composite pad formed by weaving self-lubricating polymer material fibers or organic or inorganic material fibers.

The invention aims to provide a lubricant composition which has excellent attrition resistance and excellent sludge inhibition and is applicable to hydraulic operating oil and the like used at high temperature and high pressure. According to the solving means, the lubricant composition is characterized in that mineral oil and/or synthetic oil are used as base oil; the lubricant composition is prepared from 0.01-3 mass percent of antioxidant (A) and 0.01-10 mass percent of phosphorous compounds (B), based on the total amount of the composition; and the kinematic viscosity of the composition at 40 DEG C is 1.5-1000mm<2>/s, and the lubricant composition does not contain zinc dithiophosphate substantially.

The invention discloses manual transmission lubricating oil for automobiles. The lubricating oil comprises the following components in parts by weight: 75-85 parts of composite base oil, 6-15 parts of polymethacrylate, 0.1-2 parts of di-n-butyl phosphite, 3-5 parts of polyisobutylene succinimide, 2-3.5 parts of a phosphate amine salt, 0.01-0.2 part of isobutenyl sulfide, 0.01-1 part of an antioxidant, 0.1-0.8 part of a mixture of sodium sulfite and sodium dodecyl benzene carbonate, 0.01-0.5 part of a mixture of benzotriazole derivatives and thiadiazole derivatives and 0.001-0.05 part of dimethyl siloxane and fluorosiloxane, wherein the composite base oil is formed by compounding poly alpha-olefin and ester synthesized base oil in a proportion of 10:(1-1.5). The manual transmission lubricating oil for automobiles provided by the invention has excellent durability, frictional characteristic, wear resistance, anti-rust and anti-corrosion properties, an anti-micropitting property, shearing stability and thermal oxidation stability.

The invention relates to a bearing arrangement for the rotatable mounting of a shaft (7) in relation to a housing (8), comprising a back-up bearing (9) which is designed as a rolling contact bearing, wherein the rolling contact bearing can absorb forces in the axial and radial direction and is designed in particular as an angular roller bearing, especially as a two-row angular ball bearing, wherein the rolling contact bearing (9) is substantially left open in the radial direction. The problem addressed by the invention is that of providing a bearing arrangement with a back-up bearing for a shaft, which bearing arrangement can better absorb in particular the forces occurring in the mounting of rapidly rotating, solid shafts.

A consumable applicator comprising one or more conduits in a fluid communication with a liquid composition dispensing system wherein the liquid composition comprises friction control components. The consumable applicator comprises a solid body having hardness of less than or equal 150 HB, a housing and a biasing member within said housing for advancing the consumable applicator toward a dispensing end. The consumable applicator may be used for applying a friction control consumable to sliding metallic parts such as the railway rails or wheels.

The invention discloses machinery lubricating oil including, by weight, 60-80 parts of basic oil, 10-15 parts of paraffin, 8-13 parts of glyceryl stearate, 7-12 parts of modified kaolin, 3-6 parts ofnano graphite, 1-4 parts of zinc stearate, 2-3 parts of nano metal particles, 2-4 parts of carbon nano-tubes, 1-3 parts of an antioxidant and 2-4 parts of an anti-rust agent. The machinery lubricatingoil has great friction characters, excellent mechanical stability, and great thermal stability and oxidation stability, can reduce friction loss better, and can prolong service life of machinery.

The invention discloses a wear-resistant noctilucent zipper. The wear-resistant noctilucent zipper is provided with a zipper belt, a puller, an upper stop piece and a lower stop piece. The zipper teeth on the zipper belt are prepared from the following raw materials in parts by mass: 80-100 parts of POM, 5-10 parts of PTFE, 10-15 parts of noctilucent powder, 3-6 parts of molybdenum disulfide powder, 3-6 parts of nano boron nitride particles, 1.5-3 parts of a heat stabilizer, 1-2 parts of a silane coupling agent and 1-2 parts of a compatilizer. By means of the mode, a layer of PTFE transfer film can be formed on the surface of POM, friction force and scratch resistance of the surface of the zipper are reduced, and the service life of the whole noctilucent zipper is prolonged.

The invention relates to an automatic transmission fluid composition including a shielding phenol compound, an anti-wear reagent at extreme pressure, a dispersing agent, a metal passivating agent, an anti rust agent, an ashless friction modifier and a major amount of lube base oil; the structure of the shielding phenol compound is as shown in formula (I), and all groups are defined in the specifications. The automatic transmission fluid composition can meet increasingly stringent oxidation resistance requirements of higher-specification products in modern times, and show excellent cleaning dispersing performance, friction properties, wear resistance, corrosion resistance and rust resistance.

The invention discloses a differential friction plate for a double-twisting machine and a machining method of the differential friction plate. The friction plate is mainly formed by machining and manufacturing the following raw materials including, by mass percent, 50%-80% of teflon, 15%-45% of tin bronze powder and 2%-6% of carbon fibers. The machining method includes the following steps that firstly, materials are mixed, wherein a material mixer is used for evenly mixing the raw materials; secondly, pressing is conducted, wherein the raw materials are put into a die to be pressurized, the pressurizing pressure ranges from 30 MPa to 80 MPa, and the pressure maintaining time ranges from 30 min to 100 min; thirdly, sintering is conducted, wherein a modified teflon blank formed in a die pressing manner is put into a high-temperature sintering furnace to be sintered; fourthly, machining is conducted, wherein machining is performed till the size and the shape which are required by the double-twisting machine are achieved; and fifthly, friction face running-in is conducted, wherein the friction plate is installed on a special tool, and mutual running-in is conducted on the friction plate and another running-in plate. The manufactured friction plate has an excellent friction characteristic and enough strength and can run stably in practical use, the friction force fluctuation is little, and the service life is long.

The embodiment of the present invention discloses a gear oil, which comprises the following components by weight percentage: 1.5% polymethyl methacrylate, 0.3% V1156 pour point depressant, 0.3% di-tert-butyl-p-cresol, dialkyl dithio Zinc phosphate 2%, bis-succinimide 1%, friction system improver 0.5%; antifoaming agent 0.0001%, pigment 0.0001%, and the rest is base oil. A preparation method of the above-mentioned cleaning agent is also disclosed. The above raw materials are stirred and mixed evenly at room temperature; the gear oil and its preparation method of the embodiment of the present invention have excellent high temperature stability, prevent oil from oxidative deterioration and deposit formation, and keep the gearbox clean. Excellent anti-wear protection, effectively prolonging the service life of components. Excellent friction characteristics to ensure continuous, reliable and trouble-free operation of the transmission. Good friction stability and smoother gear shifting.