199results about How to "Improve fuel saving effect" patented technology

A lubricating oil composition includes lubricating oil base oil, an organic molybdenum compound (A), zinc dialkyl dithiophosphate (B), at least one compound (C) selected from calcium sulfonate, calcium phenate, and magnesium sulfonate and having a base number of 230 mgKOH/g or more, and an ashless dispersant containing boron or a mixture of an ashless dispersant containing boron and an ashless dispersant containing no boron (D) in predetermined ratios, in which: a mass ratio (P/Mo) of the P content to the Mo content in the composition is 1.5 or more; a mass ratio (CaMg/Mo) of a total content of the Ca and Mg derived from the component (C) to the Mo content in the composition is 3 or more; and a mass ratio (B/N) between B and N derived from the component (D) in the composition is 0.5 or more. The lubricating oil composition of the present invention has a high static friction coefficient of wet clutch, has excellent frictional property in a power transmission mechanism, has excellent fuel saving property, and is suitably used for power transmission lubricating oil and engine lubricating oil.

A control device is provided for a vehicular drive apparatus, having a differential mechanism and a transmission, for miniaturizing the differential mechanism and/or providing improved fuel economy while preventing a busy shift. With the provision of a switching clutch C0 or a switching brake B0, a transmitting mechanism 10 can be placed in a continuously variable shifting state and a step-variable shifting state whereby the vehicular drive apparatus has combined advantages including a fuel saving effect of the transmission, enabled to electrically change a gear ratio, and a high transmitting efficiency of a gear type transmitting device enabled to mechanically transmit drive power. With a total speed ratio γT set to a lower vehicle speed gear ratio than that for a given running state, if a required drive force or a drive force source brake is unavailable or if load torque of an electric motor is deviated from an allowable range, switching control mean 50 switches a differential portion 11 to the step-variable shifting state for thereby obtaining larger drive force or drive force source brake than those for the given running state without causing load torque of the electric motor from deviating from the allowable range while preventing the busy shift.

The present invention provides a lubricating oil composition improved in fuel-saving properties by reducing lubrication resistance within the same viscosity grade oils. The lubricating oil composition comprises a lubricating base oil and a viscosity index improver with a PSSI of 30 or lower blended such that the viscosity index of the composition is 160 or greater and the 100° C. kinematic viscosity loss after shearing is 15 percent or less.

A technology for manufacturing the Mg-alloy wheel hub includes such steps as preparing Mg alloy by additional use of RE element (0.5-2.0 wt.%) as part of its raw materials, smelting while adding the Mg-alloy coveriong agent prepared from MgCl2, CaF2, KCl, BaCl2 and MgO and the refining agent prepared from NaCl and KCl, preparing mould, spraying on inner surface of mould, casting, heat treating and surface treating. Its advantages are high strength, precision and surface finishing quality, high vibration damping effect, and saving oil.

The invention relates to an energy-saving control method and system for revolving speed of an engine. The method comprises the following steps: acquiring required running speed and load required power; and setting a revolving speed value of the engine to be minimum revolving speed on the premise of meeting the required running speed and the load required power. By the energy-saving control method and system for the revolving speed of the engine, the engine runs at economical revolving speed as much as possible on the promise of meeting a vehicle speed requirement and a power requirement, so that the purpose of saving fuel is achieved. Meanwhile, when the revolving speed set value of the engine is changed, a hydraulic system is adjusted in real time so as to guarantee stable running speed and link before and after change of the revolving speed, and stability and driving comfort are good. A power requirement serves as a first priority, and the revolving speed of the engine can be relatively high when high speed or large torque is required. Therefore, a vehicle can meet optional speed requirements. But the required speed of the vehicle is not maximum in most cases, and the advantage of fuel saving can also be played fully.

The invention discloses a hybrid electrical vehicle energy-saving control method based on GPS (global position system) geographic information. The method comprises the following steps: in the running process of a hybrid electrical vehicle, obtaining current geographic information in real time through a vehicle-mounted navigation system, identifying the road condition in front of the vehicle, obtaining vehicle running state information on an unknown road, and controlling a power battery to discharge whether the current road condition is an upward slope or a flat road if the soc value of the power battery is greater than the lower limit value socl corresponding to the maximum brake energy E[lambda] capable of being recovered by a downward slope in front of the vehicle in combination with the information of the current power battery. According to the method, the reasonable space is provided for recovering brake energy, so that insufficient brake energy recovery caused by insufficient storage space of the power battery is avoided, the regenerative brake energy recovery efficiency of the vehicle is further improved, and the oil saving performance of the whole vehicle is improved.

The cooking pan in which one side of an outer circumferential face of a main body is combined with a handle through a bolt fastening has such a construction that a temperature display member is equipped with an upper face of a coupling end part combined with a guide protrusion of the main body, wherein the temperature display member is provided with a sense rod formed in one body from a lower portion of a display, the sense rod being closely inserted into a rod insertion hole of the coupling protrusion projected in one body from the main body, thereby displaying temperature transferred from the coupling protrusion so as to provide an easy cooking and the best taste of food and to prevent unnecessary consumption of fuel in cooking.

Embodiments of the invention provide an engine torque control method and device. The engine torque control method comprises the steps that a current driving condition type of a vehicle is first obtained through analysis according to operating parameters of the vehicle, and then a corresponding relationship between the various preset driving condition types and torque control strategies is used forgetting the torque control strategy corresponding to the current driving condition type, the required torque of an engine is calculated, and then the torque of the engine is adjusted. The adaptability of the vehicle under complex and changing driving conditions is improved, the fuel saving effect of the vehicle is improved. further, when the vehicle operating state meets the preset conditions andenters the throttle fixing mode, the required torque of the engine can be kept at a fixed value to ensure that the engine torque remains stable, and the fuel saving effect of the vehicle can be further improved; and through the cooperation of an overtaking mode and a torque limiting mode, the economy and power of the vehicle are comprehensively guaranteed.

The invention discloses a uniformly-scattered oil-saving type coupler oiling device which comprises a workbench; an oil tank is placed below the workbench, the bottom of the inner wall of the oil tank is provided with a filtering mesh hood, four corners of the bottom face of the workbench are all provided with supporting legs in a welded manner, and the four corners of the upper surface of the workbench are provided with supporting pillars in a welded manner. According to the uniformly-scattered oil-saving type coupler oiling device, a drive motor drives a rotary table to rotate and thus drives a coupler to rotate, therefore lubricating oil sprayed on the surface of the coupler by a spray pipe is scattered uniformly under the effects of centrifugal force and gravity, and oiling performed on the coupler is uniform; and meanwhile, oiling efficiency is high, the rotary table is provided with first through holes and second through holes, the lubricating oil of the coupler on the rotary table is discharged into an oil collection slot conveniently, the dropped lubricating oil is collected through the oil collection slot, the lubricating oil is guided into the oil tank through an oil guiding pipe for reuse, utilization of the lubricating oil is thorough, and the oil-saving effect is good.

The invention provides a transmission system of a gearbox of a hybrid electric vehicle, belongs to the technical field of vehicles, and aims to solve the problem that all shifts of the gearbox can operate in a hybrid moving mode, so that the dynamic performance is improved. The transmission system of the gearbox of the hybrid electric vehicle comprises an engine, an electric motor, a coupling clutch, an input shaft and an output shaft, wherein the output shaft is in transmission connection with the input shaft through a shift gear structure corresponding to a vehicle shift; the electric motoris in transmission connection with the input shaft through the coupling clutch; and the engine is in transmission connection with the electric motor through the coupling clutch. The transmission system disclosed by the invention has the following advantages that, all the shifts of the gearbox can run the hybrid moving mode, so that the dynamic performance is good, and oil saving performance is good; in the transmission system, the engine can drive the electric motor to charge an accumulator; and, the transmission system is compact, light in weight and small in size, and complete vehicle carrying is facilitated.

The invention provides a composite material suitable for the preparation of a fuel economizer. The composite material is characterized in that the composite material comprises the following components, by weight, 30-60 parts of a polymer material, 40-80 parts of tourmalinite, 10-40 parts of rare earth, 0.01-15 parts of nanometer titanium dioxide and 0.001-10 parts of nanometer platinum, wherein the polymer material is PC, PE, ABS, PS or PMMA. A spherical porous fuel economizer prepared by mixing the components and carrying out slurry injection molding through an injection molding method is also provided. The fuel economizer has the advantages of low cost, good fuel economizing effect, engine power improvement, no generation of secondary pollution, reduction of the engine sound, reduction of carbon deposition in an oil way, stable effect during use, and realization of recycling.

A lubricating oil composition for a continuously variable transmission has low viscosity to exhibit fuel savings, higher metal-to-metal friction coefficient to ensure high power transmission, wet clutch friction characteristics and anti-shudder properties required for transmissions, and low traction coefficient to achieve fuel savings. The composition contains a base oil adjusted so the product (EC×V40) of the mass % (ECmass %) of saturated cyclic component based on the total base oil and the 40° C. kinematic viscosity (V40 mm²/s) is 500 or less and the 100° C. kinematic viscosity is 3.6 to 4.1 mm²/s, (B) a phosphorus compound, (C) a calcium salicylate and/or a calcium sulfonate, (D) a boron-modified ashless dispersant in an amount of 0.001 to 0.008 mass % as boron, and (E) a friction modifier, each in a specific amount, the lubricating oil composition having a 100° C. kinematic viscosity of 5.2 to 5.6 mm²/s and a viscosity index of 165 or greater.

Provided is a lubricant oil composition for an internal combustion engine which is characterized by including a base oil having a viscosity index of 125 or higher and a Noack evaporation amount (250° C.×1 h) of 15% by mass or less, and, based on a total amount of the composition, from 0.1 to 10% by mass of (A) a C₂ to C₂₀ olefin polymer having a mass average molecular weight of 500 or more and 10,000 or less and/or (B) a polymeric compound having a mass average molecular weight of 10,000 or more and less than 100,000, wherein a content of (C) a polymeric compound having a mass average molecular weight of 100,000 or more is less than 1.0% by mass. The lubricant oil composition can, despite of its low viscosity, reduce noise during running, prevent fatigue damage such as gear pitting, reduce the consumption of the oil, and provide excellent fuel saving performance.

The invention discloses a hybrid vehicle energy recovery system, the hybrid vehicle energy recovery system comprises a master control module, a motor control module, a battery management system, a brake module, an information receiving module and a brake pedal stroke sensor; the invention further discloses a hybrid vehicle energy recovery method; the arranged brake pedal stroke sensor can monitorthe whole state of a brake pedal, particularly, an idle stroke section can be used to accurately pre-judge the sliding state of a vehicle actually driven by a user, the corresponding recovery power isoptimized, the fuel saving rate of the actual driving condition of the user is improved, the temperature rise of a battery under the high-speed sliding working condition is effectively reduced, the deviation of different feelings on the pedal at the same power, caused by manufacturing or assembling error, is further eliminated; by reducing the energy recovery power in the high-speed sliding process, the calorific value of the battery in the charging process of the high-frequency working condition is reduced, so that the speed of the temperature rise of the battery is reduced, the energy recovery power is increased when a driver intends to brake, and the better oil saving effect is guaranteed.

The invention relates to the technical field of automobile control methods, in particular to an oil -saving system based on a road scene and a driving intention and a control method. The system comprises a road scene recognition module, a fuel saving condition judgment module, a speed control method acquisition module, a driving intention recognition module, a power demand recognition module and a control module. The speed control method of the vehicle is obtained according to the road condition and the front vehicle condition, the driving intention of a vehicle driver is recognized, if the driving intention belongs to the set intention, the power demand of the vehicle is obtained in combination with the speed control method and the driving intention, and the power assembly is controlled according to the power demand to enable the engine to operate in the economic area. The control method is extremely simple, the power assembly of the vehicle is controlled in combination with the road scene and the driving intention, and the oil saving effect of the power assembly of the vehicle is improved.

A magnetic fuel-saving rubber composite material relates to a rubber material and comprises components of butadiene-acrylonitrile rubber, a chloroprene rubber adhesive, zinc white, stearic acid, an antideteriorant 4010NA, an antideteriorant RD, a coumarone, dioctyl phthalate, carbon black, a magnetic material, brimstone, a promoter M, and a promoter PZ. The magnetic fuel saving rubber composite material is prepared through the steps of plastifying, mixing, vulcanizing and the like. The magnetic fuel saving rubber composite material provided by the invention has the benefits of enabling an oil delivery pipeline to have a magnetic radiation performance, enabling fuel oil molecules to become small aggregate structures from a large aggregate structure by using a magnetic line to smash the clustering states of fuel oil molecules, and enabling the fuel oil molecules to be activated so as to change physical chemical property thereof, thereby being helpful to sufficient burning of fuel oil, improving the fuel-saving performance of an engine and also reducing contaminant emission. The magnetic fuel saving rubber composite material is in favour of energy conservation and environment protection. Therefore, the magnetic fuel-saving rubber composite material has a stronger promotion and application value. The magnetic fuel saving rubber composite material belongs to products of green environmental energy saving facilities on the aspects of rubber industry and is used on the aspect of automobile fuel saving.