21 results about "Automatic transmission fluid" patented technology

The oil filter cleanliness detection device comprises an oil pan, an oil filter is fixedly installed on the left side of the oil pan, a main pressure cavity is formed in the left side of the oil pan and located on the right side of the oil filter, a steel plate is fixedly installed on the upper side of the oil pan, and a paper pad is arranged between the oil pan and the steel plate. An oil filter valve body is fixedly installed on the upper side of the steel plate, an oil filter valve element is slidably connected into the oil filter valve body, a pressure detection hole is formed in the upper side of the oil filter valve body, a pressure switch is fixedly installed on the upper side of the pressure detection hole, a spring is fixedly installed on the right side of the oil filter valve element, and an oil filter aluminum pad is fixedly installed on the right side of the oil filter valve body. The left side of the oil filter aluminum pad clings to one end of the spring away from the oil filter valve core. By means of the mode, the oil filter valve element can be pushed to move through the oil pressure difference, an oil way can be in the on-off state, the oil pressure is detected only through the pressure switch, an additional sensor is not needed, and the cleanliness of the automatic gearbox oil filter is judged.

The present invention aims to provide a vehicle capable of reducing the noise generated by a valve used to cool automatic transmission oil during operation. To address the aforementioned issues, the vehicle includes a cooling water flow path for circulating cooling water used to cool a drive source of the vehicle; a heat exchange device for exchanging heat between the cooling water and the automatic transmission oil; the cooling water flow path includes an automatic transmission fluid (ATF) flow path connected to the heat exchange device for circulating the cooling water to the heat exchange device; a valve is provided in the ATF flow path that is switchable between a closed state (closing the ATF flow path) and an open state (opening the ATF flow path); and a control device that switches the valve between a closed state and an open state when specific conditions are met. The control device switches the valve between a closed state and an open state when the specific conditions are met and when background noise exceeds a specific threshold.

A lubricating oil composition is disclosed. The composition comprises a major amount of an oil of lubricating viscosity; one or more ashless dispersants; at least one phosphorus-containing antiwear additive, wherein the at least one phosphorus-containing antiwear additive is a phosphorus-containing acid, a phosphate ester, a phosphite ester, a thiophosphate ester, or an amine salt thereof; at least one friction modifier, wherein the at least one friction modifier is a diol, an ethoxylated amine, a fatty acid ester, or an alcohol; a nitrogen-containing friction modifier having the structure wherein R1 and R2 are independently a branched C10-C25 hydrocarbyl group.

The invention discloses a preparation method of a viscosity index improver for automatic transmission oil. The preparation method comprises the following steps: adopting acrylate or methacrylate with different long carbon chains as monomer ester; the method comprises the following steps: uniformly mixing diluent oil, monomer ester, a chain transfer agent and an initiator, heating 1 / 5 or 1 / 3 of the mixture, adding the rest of the mixture in batches, carrying out a copolymerization reaction, and taking a reaction product as a viscosity index improver of the automatic transmission oil; the addition amount of the chain transfer agent is 0.5%-2% of the total amount of the monomer ester, the addition amount of the initiator is 0.5%-2% of the total amount of the monomer ester, and the diluent oil accounts for 10%-60% of the total amount of the monomer ester. According to the technical scheme, the oxidation resistance of the oil product is remarkably improved while the dispersity of the automatic gearbox oil is improved, the operation method is simple, the process is easy to implement, raw materials are easy to obtain, few waste residues exist, no wastewater treatment pressure exists, and the recovery rate is high.

The invention belongs to the technical field of gearbox oil additives, and particularly relates to an automatic gearbox oil additive and a preparation method thereof.The automatic gearbox oil additive is prepared from, by weight, 15-20 parts of a first anti-wear agent, 5-10 parts of a second anti-wear agent, 16-20 parts of an antioxidant, 40-50 parts of a clearing agent, 3-6 parts of a corrosion inhibitor, 1-2 parts of an initiator and 4-6 parts of a friction modifier; the anti-wear agent I is phosphorus molybdenum heteroquaternary ammonium salt nano composite microspheres, the anti-wear agent II is a DAO-loaded three-dimensional metal organic framework microcapsule, and the initiator is azodiisobutyronitrile; the anti-wear agent I is prepared from phosphomolybdic acid and 3-acrylamide propyl dodecyl dimethyl ammonium bromide through ion exchange. The automatic gearbox oil additive can reduce the friction coefficient between two friction pairs and reduce abrasion between the friction pairs, and is longer in service life and better in effect.

The present invention aims to provide a laminate having excellent adhesion, processability, oil resistance, heat resistance, and resistance to moist heat. The solution is a laminate comprising, in order, a film A, a film B, and a film C, with adhesive layers interposed therebetween, wherein the adhesive layer between film A and film B is defined as adhesive layer AB, and the adhesive layer between film B and film C is defined as adhesive layer BC. In the laminate, the maximum thermal shrinkage of film B at 150°C for 30 minutes is 0.1% or more and 3.0% or less, and the Martens hardness of adhesive layers AB and BC is 1.0 N / mm. 2 Above and 4.0N / mm 2 When the laminate was immersed in automatic transmission fluid and heat treated at 150°C for 10 hours, the bonding area ratios of film A and film B via the adhesive layer AB and the bonding area ratios of film B and film C via the adhesive layer BC were both 95% or more.

The present invention belongs to the technical field of gearbox oil additives, and in particular to a kind of automatic gearbox oil additive and preparation method thereof, which comprises the following components by weight: 15-20 parts of antiwear agent one, 5-10 parts of antiwear agent two, 16-20 parts of antioxidant, 40-50 parts of detergent, 3-6 parts of anticorrosive agent, 1-2 parts of initiator, 4-6 parts of friction modifier; the antiwear agent one is phosphomolybdic heteropolyquaternary ammonium salt nanocomposite microsphere, the antiwear agent two is a three-dimensional metal organic framework microcapsule loaded with DAO, and the initiator is azobisisobutyronitrile; the antiwear agent one is prepared by ion exchange of phosphomolybdic acid and 3-acrylamidopropyl dodecyl dimethyl ammonium bromide. The automatic gearbox oil additive in the present invention can reduce the friction coefficient between two friction pairs, reduce the wear between friction pairs, and has a longer service life and better effect.

The present application relates to the technical field of lubricating oil, and discloses an automatic gearbox oil based on coal-made base oil and a preparation method thereof, the automatic gearbox oil based on coal-made base oil comprises the following components: coal-made base oil 70-90 parts, a solubilizing agent 2-15 parts, a cleaning dispersant 0.5-5 parts, an anti-rust and anti-corrosion agent 0.5-3 parts, an antioxidant 0.2-2 parts and a defoaming agent 0.001-0.01 part. The automatic gearbox oil based on coal-made base oil provided by the present application has excellent lubricating performance, can meet the working condition requirements of the automatic gearbox oil, improves the working energy efficiency of the automatic gearbox, prolongs the oil change cycle, and has a relatively low raw material cost.

The invention relates to the technical field of clutch control, in particular to an automatic transmission clutch control method, system and equipment based on the whole vehicle shutdown duration and a medium, and the method comprises the steps that after an engine is started, the shutdown duration of the whole vehicle from previous flameout to current starting is obtained and latched; monitoring the fluid temperature of the automatic transmission and the oil charging state of the clutch, and counting the oil charging times of the clutch after the engine is started in real time; when the oil charging frequency is 0 and the clutch is in the first oil charging process, oil charging compensation time is determined based on the shutdown duration and the fluid temperature of the automatic transmission, and time compensation is conducted on oil charging control of the clutch; and when the oil charging frequency is 1 and the clutch is in the first KP pressure control process, determining a KP pressure compensation value based on the shutdown duration and the fluid temperature of the automatic transmission, and performing pressure compensation on the KP pressure control of the clutch. The pressure control precision and the gear shifting quality can be effectively improved.

The invention belongs to the field of lubricating oil, and relates to anti-wear automatic gearbox oil and a preparation method thereof. The invention provides a flexible composite particle with a core-shell structure, a shell is branched aminated flexible graphene oxide, an inner core is nano zinc oxide, and the invention also provides a multifunctional additive containing a silane functionalized zwitterionic substance. Branched aminated flexible graphene oxide, nano zinc oxide and silane functionalized zwitterionic substances in the anti-wear agent form a composite film on the metal surface, so that the gearbox oil has better bearing capacity and extreme pressure resistance; and in addition, the oil sludge particles and the composite film formed in the long-term use can fill microscopic scratches at the metal wear part and improve the surface contact state to achieve a self-repairing effect. And finally, the oil sludge amount is reduced by 40% or above, the cleanliness of the valve body is remarkably improved, the gear shifting jerking occurrence rate is reduced by 30%, and the method is suitable for frequent gear shifting scenes under urban congestion road conditions.

The utility model relates to the technical field of gearbox oil pans, in particular to a novel high-temperature-resistant 8AT automatic gearbox oil pan which comprises a frame and threaded openings, the threaded openings are machined in the front face of the frame, the 8AT automatic gearbox oil pan is fixedly connected to the inner wall of the frame, a plurality of heat conduction structures are connected to the inner wall of the 8AT automatic gearbox oil pan, and the heat conduction structures are connected to the outer wall of the frame. Protruding edges are connected to the rear portions of the outer walls of the multiple heat conduction structures correspondingly, the phenomenon that the hand slips on the outer wall of the straight rod is avoided, the straight rod rotates, the straight rod is matched with threads on the outer wall to rotate towards the inner wall of the 8AT automatic gearbox oil pan through the cylinder, and the front end of the straight rod is attached to a crankcase. The straight rod can conduct heat generated by a crankcase out of the 8AT automatic gearbox oil pan through the copper material of the straight rod, high-temperature accumulation on the inner wall can be avoided, the high-temperature resistance of the 8AT automatic gearbox oil pan is improved, the strength of the 8AT automatic gearbox oil pan is guaranteed, and the service life of the 8AT automatic gearbox oil pan is guaranteed.

The present invention provides a vehicle warning device that detects in advance when the torque converter is in a lost drive state and notifies the driver accordingly. [Solution] This vehicle warning device detects that the vehicle is in a lost drive state and issues a notification that it cannot start moving at this time if the oil temperature of the ATF (automatic transmission fluid) at the end of the previous drive is above a predetermined value, the time from the end of the previous drive until the indicator light for the current drive is illuminated is above a predetermined time, and furthermore, the shift operation to the driving range is performed within a predetermined time from the time the indicator light for the current drive is illuminated.

A system for controlling coolant of a vehicle can include an integrated flow control valve configured to open and close branch lines for supplying coolant discharged from an engine of the vehicle to an automatic transmission fluid (ATF) warmer, a heater, and a radiator, respectively, an exhaust heat recovery system configured to exchange heat between exhaust gas discharged from the engine and the coolant discharged from the engine, and a controller configured to control the integrated flow control valve to open and close the branch lines to supply coolant to the ATF warmer, heater, and radiator, respectively, depending on the temperature of the outside air, the coolant temperature discharged from the engine, and the coolant temperature discharged from the exhaust heat recovery system, and control the exhaust heat recovery system to allow heat exchange between the exhaust gas and the coolant.

The utility model discloses a needle type heating plate of a new energy vehicle heater, which relates to the technical field of thick film heaters, and comprises a substrate, a silk-screen printing layer is fixedly connected to the bottom of the substrate, the silk-screen printing layer extends to the top of the substrate and is fixedly connected with a plurality of groups of fins, the plurality of groups of fins are in a water drop shape, and the fins are arranged on the substrate. The upper layer of the substrate is composed of a printed resistance layer and a ceramic insulating layer. According to the needle-shaped heating plate of the new energy vehicle heater, liquid can smoothly flow along the surface of the needle-shaped heating plate due to the shape of the water-drop-shaped fins, and the flowing resistance of the liquid is reduced. In a liquid heater, the water-drop-shaped fins can provide good fluid adaptability for various liquids with different viscosities, such as water, oil, anti-freezing liquid and the like. For example, in an oil heater of an automatic gearbox of an automobile, oil can smoothly flow through the water-drop-shaped fins, energy loss caused by flowing resistance is reduced, and heating efficiency is improved.

The utility model discloses a kind of dismounting tool for automatic gearbox oil pump, it is related to automobile maintenance tool technical field, at least including drawing sleeve, drawing screw and rotating handle;The drawing sleeve includes a top plate, a fixed half cylinder and a movable half cylinder, the top of the fixed half cylinder is fixed in the bottom of top plate, the top of the movable half cylinder is hinged in the bottom of top plate, the inner wall bottom of the movable half cylinder and fixed half cylinder is equipped with the arc convex edge formed to inwardly extend;The top center of the top plate is equipped with a thread hole matched with drawing screw, the top of drawing screw is equipped with a handle positioning hole, and the rotating handle is arranged in the handle positioning hole.In the utility model, a kind of dismounting tool for automatic gearbox oil pump is proposed, and the structure is simple, and the cost is low.

The invention discloses an automatic gearbox oil complexing agent and a preparation method thereof, and the automatic gearbox oil complexing agent is characterized by comprising the following components by mass: 0.6-1.5% of a clearing agent, 30-55% of a dispersant, 3-7% of an antioxidant, 3-9% of an extreme pressure anti-wear agent, 5-10% of a friction modifier, 1-2% of an antirust agent, 20-30% of a viscosity index improver, and the balance of neutral base oil, the dispersant is a combination of self-made phosphorus-boronized polyisobutylene succinimide (the molecular weight Mn of PIB is 550 to 750) and high molecular weight polyisobutylene succinimide (the molecular weight Mn of PIB is 1300 to 2300) or low molecular weight polyisobutylene succinimide (the molecular weight Mn of PIB is 550 to 900). The automatic transmission oil prepared by the automatic transmission oil complexing agent can maintain friction performance in a full temperature range for different types of AT automatic transmissions, and has excellent gear shifting feeling; meanwhile, the anti-vibration durability is excellent, and the service life and the oil change period of the automatic gearbox can be effectively prolonged.

The invention relates to a system and a method for controlling coolant of a vehicle. The system may include an integrated flow control valve configured to open and close a branch line for supplying coolant discharged from an engine of a vehicle to an automatic transmission oil (ATF) warmer, a heater, and a radiator, respectively; a waste heat recovery system configured to exchange heat between exhaust gas discharged from the engine and a coolant discharged from the engine; and a controller configured to control the integrated flow control valve to open or close the branch line according to a temperature of outside air, a temperature of a coolant discharged by the engine, and a temperature of a coolant discharged by the waste heat recovery system to supply the coolant to the ATF warmer, the heater, and the radiator, respectively, and controlling the waste heat recovery system to allow heat exchange between the exhaust gas and the coolant.

The present invention relates to low molecular weight polyalkyl acrylate polymers, a process for their preparation, and their use as high-viscosity base fluids. The present invention further relates to lubricating compositions comprising such low molecular weight polyalkyl acrylate polymers and to the use of such compositions as automatic transmission fluids, manual transmission fluids, continuously variable transmission fluids, gear oil formulations, industrial gear oil formulations, axle fluid formulations, dual-clutch transmission fluids, dedicated hybrid transmission fluids, or as hydraulic oils.

A lubricating oil composition is disclosed. The composition comprises: an oil with a main amount of lubricating viscosity; one or more ashless dispersants; at least one phosphorus-containing anti-wear additive, wherein at least one phosphorus-containing anti-wear additive is a phosphorus-containing acid, a phosphate ester, a phosphite ester, a thiophosphate ester, or an amine salt thereof; at least one friction modifier, wherein at least one friction modifier is a diol, an ethoxylated amine, a fatty acid ester, or an alcohol; and a nitrogen-containing friction modifier having the following structural formula. [Formula 1] TIFF2026512485000019.tif37165 (wherein R1 and R2 are independently branched C10-C25 hydrocarbyl groups)