117 results about "Automotive engine" patented technology

The invention discloses an automobile engine which comprises an engine body, a crankshaft and an air conditioner generator. The air conditioner generator comprises a stator and a rotor and is placed on the front portion of the automobile engine and driven by the crankshaft of the automobile engine, and the axis of the stator of the air conditioner generator is coaxial to the axis of a main shaft neck of the crankshaft of the automobile engine. The automobile engine can supply power to vehicle-mounted air conditioner systems, and the air conditioner generator is arranged at the front end of the crankshaft of the automobile engine. The automobile engine requires no belt for driving and is simple in structure and convenient for the vehicle-mounted air conditioner system to adopt the whole distribution structure.

As shown in the reference figures 1 and 2 illustrating the usage state, this product is a box-end wrench that can be fitted onto the bolts of an auto tensioner without interfering with, for example, the crank pulley or belts attached to each pulley (water pump belt, generator belt) of an automobile engine, making it easy to attach and detach the bolts. In other words, this box-end wrench makes it possible to fit bolts in confined spaces during automobile maintenance, etc., without interfering with other parts.

1. Name of the product in this design: Air Intake Pipe (B58Tu). 2. Purpose of this design: For use in automotive engine intake system components. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model relates to the field of industrial die casting, especially to the die casting die of automobile engine casing, including support frame, still including connecting frame and liquid storage box, be provided with die casting on the support frame, and the die casting includes bottom die, upper die and injection chamber, the utility model discloses through the telescopic link of cylinder drive liquid storage box is located in the upper end of support frame and carries out the sliding in position, and through the output of liquid storage box top while sliding the lower end of upper die and the upper end of bottom die are carried out the work of spraying release agent, through the upper die on the die casting and move downward, make the upper die drive second limit rod downward displacement drive slider and move downward, make the lower end of upper die and the upper end of bottom die mutually adhere, then inject liquid metal from injection chamber, liquid metal flows to the gap between bottom die and upper die and die casting forming, after forming, the upper die moves upward, the casing on the bottom die passes through the upward thrust of the reaction force of spring of lower slider, realize the work of automatic release of casing.

The application provides a hybrid vehicle engine lubricating oil composition and a preparation method thereof.The hybrid vehicle engine lubricating oil composition comprises the following components: (A) a benzotriazole derivative; (B) a composite antioxidant comprising an alkylated diphenylamine antioxidant and a sulfide phenolic antioxidant; (C) a polyisobutylene succinimide ashless dispersant; (D) a sulfonate and / or a sulfated alkyl phenate; (E) a zinc dialkyldithiophosphate; (F) a composite friction modifier comprising an oil-soluble organic molybdenum friction modifier and an ashless friction modifier; (G) a phosphite type extreme pressure antiwear agent; and (H) a major amount of a lubricating oil base oil; wherein the structure of the benzotriazole derivative is shown in formula (I): wherein the definitions of the groups are shown in the specification.The hybrid vehicle engine lubricating oil composition has excellent antioxidant performance, corrosion resistance and rust resistance, and good emulsion retention performance and wear resistance.

This utility model relates to the field of automotive engine manufacturing technology and discloses a sprocket for an automotive engine. It includes a sprocket body with a motor shaft at its center for rotating the sprocket body. Two limiting blocks are fixedly connected to the inner wall of the sprocket body near the motor shaft, and the sprocket body is tightly connected to the protrusions on the outer surface of the motor shaft via the two limiting blocks. An anti-loosening component is provided on one side of the sprocket body to prevent the motor shaft from loosening, and the anti-loosening component is sleeved on the outside of the motor shaft. In this utility model, the chain teeth mesh with the engine chain, and the top arc-shaped protrusion fully engages with the chain rollers, improving meshing accuracy, reducing impact noise, and restraining the chain to prevent derailment. The oblique grooves between adjacent chain teeth guide the flow of lubricating oil during operation, improving tooth surface lubrication and assisting in heat dissipation. The anti-loosening component effectively inhibits the loosening of the motor shaft, ensuring transmission stability.

This application provides an engine combustion control method and apparatus, relating to the field of automotive engine technology. The method includes: responding to an engine start command issued by a hybrid vehicle, setting the engine control mode to a high-efficiency combustion control mode; calculating the intake air volume in the engine cylinders based on the vehicle's required torque; calculating the final boost pressure based on the intake air volume; controlling the speed of the electric supercharger based on the final boost pressure; determining the optimal injection frequency and fuel injection parameters for each engine operating condition based on the engine's full-map operating conditions and the intake air volume; and performing fuel injection and engine knock linkage control based on the optimal injection frequency and fuel injection parameters for each operating condition. The engine combustion control method and apparatus provided in this application can achieve efficient combustion of the hybrid engine in the vehicle, achieve optimal thermal efficiency, and enable smooth charging and driving of the vehicle.

A valve train method for a dual-lift camshaft in a range-extending engine belongs to the field of automotive engine technology. The invention includes the following steps: Cam profile design: designing the cam profile of the camshaft, wherein the cam buffer section adopts a constant acceleration-constant velocity profile, and the cam working section adopts a high-power polynomial cam profile design method to design the first cam profile and the second cam profile respectively; Cam profile correction: using a cam profile dynamic correction method, obtaining the final first target cam profile and the second target cam profile used for machining the camshaft; Operating condition selection and valve drive: selecting the engine's operating point, and driving the valves to open and close according to the corresponding valve motion law through a rocker arm valve train mechanism to achieve valve train operation. This invention can solve the technical problems of existing fixed-lift camshafts in range-extending engines, which cannot simultaneously meet the requirements of economic operating conditions and rated operating conditions, as well as poor NVH performance and high mechanical losses.

The utility model provides a kind of high-integration cooling liquid outflow device of engine cylinder cover belongs to automobile engine structure technical field.This device is integrally casted by water pipe installation platform and cylinder cover body, water outlet hole is set on the water pipe installation platform, stainless steel water outlet pipe is interference press-fitted in the water outlet hole, the depth of the end of stainless steel water outlet pipe press-fitted into the water outlet hole is not less than 10mm structure design, solve the cooling liquid outflow device of cylinder cover in prior art, for the use scene and target customer of micro face / light passenger level commercial vehicle, overall structure is complex, installation step is more, and the problem of higher production cost.This high-integration cooling liquid outflow device includes: water pipe installation platform, integrally casted with cylinder cover body;Water outlet hole, set on water pipe installation platform;Stainless steel water outlet pipe, outer diameter is greater than the inner diameter of water outlet hole, stainless steel water outlet pipe is press-fitted in water outlet hole, and the depth of its end press-fitted into water outlet hole is not less than 10mm.

This utility model relates to an assembly guide fixture suitable for press-fitting spark plug sleeves in G16 engines, belonging to the field of automotive engine production equipment. The guide fixture is placed flat on the engine. Two locating pins are installed on the upper plate of the guide fixture. The locating pins are inserted into the locating holes on the engine surface to connect the guide fixture to the engine. The double locating pins ensure the accuracy of the fixture's assembly position. Four guide sleeves respectively ensure the position and direction of the four cylinder spark plug sleeves during press-fitting. The guide sleeves are designed according to the shape of the piston sleeve and cylinder head. The guide sleeves can effectively ensure that there is a gap between the spark plug sleeve and the guide fixture. The inner diameter of the spark plug sleeve press-fitting guide fixture is designed according to the outer diameter of the sleeve and the size of the cylinder head. Its machining and positional dimension accuracy requirements are high. The position of the four guide sleeves is based on the position of the cylinder bore of the G16 engine. The guide sleeves and the upper plate are positioned by a stop. Its function is to ensure that the spark plug sleeve and the spark plug sleeve mounting hole on the cylinder head are always coaxial during the press-fitting process, ensuring accurate press-fitting position.

This utility model discloses a urea hydrolysis reaction mixing device, relating to the field of automotive engine exhaust gas purification technology. It includes a housing; an exhaust gas inlet pipe is connected to the end of the housing, the exhaust gas inlet pipe has a tangential swirl air intake structure, and a mixing pipe is connected to the exhaust gas inlet pipe. High-temperature exhaust gas from the engine enters through the exhaust gas inlet pipe, undergoes initial diffusion through the mixing pipe, and multiple primary guide vanes divide the exhaust gas into multiple turbulent streams, extending the airflow path. Urea solution is introduced and delivered to the urea nozzle through the urea inlet pipe. Compressed air provides auxiliary atomizing airflow, further refining the droplets. The urea droplets contact the high-temperature exhaust gas within a honeycomb microchannel, and the airflow refracts within the mixing chamber, extending the residence time. The guide hole aperture gradient design controls the flow rate and avoids excessively high local ammonia concentrations. By optimizing the mixing and reaction process, it can more effectively reduce nitrogen oxide emissions in the exhaust gas, meeting stricter emission standards and improving mixing and reaction efficiency.

1. Name of the product in this design: Wading Device (Baodian Off-Road Edition - SS032). 2. Purpose of this design: A snorkel for raising the height of the air intake of a car engine. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This utility model discloses an axially compact tensioner, aiming to solve the problems of existing tensioners having loose structures, occupying large axial space, and insufficient dust and water protection performance, leading to internal spring corrosion, bearing jamming, and reduced service life. The technical solution includes a pulley, a connecting cover, a swing arm, and a planar spiral torsion spring. One end of the swing arm has a mounting hole, and the other end has an annular shaft hole. A planar spiral torsion spring is placed between the outer wall of the annular shaft hole and the inner wall of the connecting cover. The connecting cover is located on the same side as the pulley and its end face is basically flat. The end face of the swing arm away from the connecting cover is flat. A friction-reducing ring is fitted onto the annular shaft hole of the swing arm, and the open end of the connecting cover contacts the friction-reducing ring to seal the planar spiral torsion spring. A bearing dustproof mechanism is also provided between the pulley and the swing arm. This utility model has a compact structure and small axial dimension, effectively preventing dust and liquid intrusion, significantly improving the reliability and service life of the tensioner, and is suitable for confined spaces such as automobile engine compartments.

This invention relates to a crankshaft unit, an aero-engine, and an aircraft, belonging to the field of aerospace technology. It solves the problems of excessive weight and vibration when converting automotive engines for aero-engine use. The invention is for automotive-to-aero-engine conversion and includes a crankshaft, a crankshaft pulley, and a flexible disc. The flexible disc is fitted onto one end of the crankshaft and is used to connect to the engine's starter. The crankshaft pulley is located at the end of the crankshaft opposite to the flexible disc. An annular groove is provided on the outer peripheral wall of the crankshaft pulley, and the bottom of the groove has a damping section, which is the impact point of the engine piston during power stroke. This invention achieves a weight reduction similar to that of a dedicated aero-engine when converting an automotive engine for aero-engine use, while also providing superior vibration damping performance.

This utility model relates to the field of lifting frame technology and discloses a rapid lifting and positioning frame for scrapped car engines. It includes a base, with evenly distributed brackets fixedly connected to the top of the base. A lead screw is rotatably connected through the middle of each bracket, and a nut assembly is threaded through and connected to the outer ring of the lead screw. A support plate is fixedly connected to the side of the nut assembly that is relatively close to it. A top plate is fixedly connected to the top of the brackets. A main gear is rotatably connected through the middle of the top plate, and evenly distributed secondary gears are rotatably connected through the middle of the top plate, with the secondary gears meshing with the main gear. In this utility model, a rotary motor drives the main gear in the top plate to rotate, which in turn drives multiple peripheral secondary gears to rotate. The secondary gears drive the lead screw at the bottom to rotate, causing the nut assembly to rise, which in turn causes the support plate to rise, thus providing timely support for the bottom of the engine and preventing swaying during movement.

This utility model provides a waterproof and heat-resistant wiring harness for automotive engines, including a wiring harness, a first connector, a second connector, a third connector, a fourth connector, and a waterproof SR. The wiring harness includes a first wiring harness, a second wiring harness, and a third wiring harness. The first end of the first wiring harness, the first end of the second wiring harness, and the first end of the third wiring harness are all connected to the first connector. The second end of the first wiring harness is connected to the second connector, the second end of the second wiring harness is connected to the third connector, and the second end of the third wiring harness is connected to the fourth connector. The waterproof SR is sleeved on the wiring harness. The waterproof SR is made of EPDM high-temperature resistant soft rubber, which can achieve better heat and water resistance, ensure the service life of the wire, and reduce the risk caused by wire damage.

This utility model relates to the field of automotive parts processing technology and discloses an automotive engine bracket drilling jig flipping device, including a drilling jig assembly. The drilling jig assembly is used to drill the jig. The drilling jig assembly includes a mounting frame, a mounting frame, a mounting block, and a drilling jig cylinder. The mounting frame is fixedly connected to the mounting frame, and the mounting block is slidably connected to the mounting frame. The drilling jig cylinders are symmetrically arranged on the mounting blocks, and each drilling jig cylinder is engaged with the mounting block through other components. Through the mutual cooperation of the internal components of the drilling jig assembly, the position adjustment of the drilling jig cylinder is achieved. The movable block can achieve self-locking, avoiding the problem of arbitrary movement of the drilling jig cylinder during adjustment and affecting the drilling. After the threaded rod is in close contact with the mounting block, the position between the movable block and the mounting block is restricted, thereby restricting the inward movement of the movable block and preventing arbitrary movement of the movable block during inward adjustment.

This utility model relates to the field of automotive shock absorber technology, specifically a suspension-type automotive engine shock absorber. It includes an engine body, a mounting plate bolted to the bottom of the engine body, and a shock-absorbing device fixedly mounted on the bottom wall of the mounting plate. The shock-absorbing device includes a U-shaped support frame, with the bottom wall of a shock-absorbing airbag fixedly mounted in the middle of the U-shaped support frame. The top wall of the shock-absorbing airbag is fixedly mounted to the bottom wall of the mounting plate. One end of each shock-absorbing spring is fixedly mounted on both sides of the bottom wall of the U-shaped support frame. A support column is fixedly inserted between fixed seats, and a connecting plate is sleeved on the middle of the support column. The ends of the connecting plate and the rectangular frame are suspended from the mounting wheel. A damper is fixedly mounted on one side of the U-shaped support frame. This utility model, through the synergistic design of a multi-stage shock-absorbing structure and a rigid guide frame, achieves efficient isolation of engine vibration and ensures structural stability, while also considering dynamic load adaptability and ease of installation and maintenance.

1. Name of the product in this design: Integrated self-generating heater. 2. Application of this design: It is used for heating automobile engines and interiors. It is mainly suitable for situations where there is no external power source. It uses its own power generation system to drive the heater to generate heat, ensuring a stable heat source in cold environments. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

An adhesive tape suitable for use within an automotive engine comprises a first layer with a halogen- free composition having a melting point equal to or greater than 100°C and equal to or less than 160°C, a second layer of polyethylene, a third layer with a second halogen-free composition having a melting point equal to or greater than 100°C and equal to or less than 160°C, and a fourth layer of adhesive. The first and second halogen-free compositions may include polypropylene. The polyethylene may be selected from low density polyethylene, linear low density polyethylene, high density polyethylene, or combinations thereof. The adhesive may be an acrylic adhesive. The tape exhibits specific thicknesses for each layer and elongation at break values in both machine and cross directions. At least one surface of the tape undergoes corona surface treatment. The tape may include a primer layer between the third and fourth layers and can be wound about a cylindrical support. The method of forming the tape involves coextruding the first, second, and third layers and applying the adhesive layer.

The utility model discloses a high rigidity high performance automobile engine damping support, including roof and bottom plate, the bottom plate upper surface fixedly connected with connecting sleeve, the roof lower surface fixedly connected with sliding sleeve, and sliding sleeve sliding connection is in connecting sleeve, and sliding sleeve and connecting sleeve are provided with buffer assembly, when the engine work produces vibration, vibration is transmitted to the roof through the upper fixed ear, and the roof drives sliding sleeve to slide up and down in the connecting sleeve, simultaneously drives the top post to slide in the oil pipe synchronously, when sliding sleeve slides, the clamping ring compresses or stretches reset spring, and part vibration energy is absorbed through the spring's elastic deformation, and the top post drives piston head to slide in the oil pipe upper space, and makes the hydraulic medium (such as damping oil) in the upper space flow into the lower space or flow back to the upper space from the lower space through the contraction pipe, and the resistance that medium flows in the contraction pipe produces forms damping force, and further attenuates vibration.

The application provides a hybrid vehicle engine output control method, a vehicle controller and a hybrid vehicle, and the method comprises the following steps: determining whether the noise data in the vehicle is greater than a noise limit threshold; if yes, reducing the output of the engine of the hybrid vehicle to a predetermined range and then executing the subsequent steps; if no, directly executing the subsequent steps. According to the scene parameter data, the current driving scene of the hybrid vehicle is determined, the noise threshold corresponding to the current driving scene is found from a preset scene-noise database, the noise data in the vehicle is compared with the noise threshold, and according to the comparison result, the current driving scene and the battery power, it is determined whether the preset noise control condition is met; if yes, the hybrid vehicle is switched to a pure electric driving state; if not, it is determined whether the preset noise control condition is met. According to the scene and the noise experience of the user, the state of the engine can be controlled, and the electric noise experience of the user is improved.

The utility model discloses a kind of pressing equipment of automobile engine inner accessory, belong to part assembling detection technical field, including;Machine table;Chain conveying device, fixedly connected on machine table;Positioning fixture, it is equipped with multiple, all fixedly connected on positioning fixture;Feeding mechanism, set on machine table, for the feeding of sealing accessory;Material taking mechanism, set on machine table and corresponding with feeding mechanism, to realize the capture of sealing accessory;Positioning assembly mechanism, set on machine table and corresponding with material taking mechanism;In the utility model, material taking mechanism cooperation positioning assembly mechanism seals accessory assembly, sealing accessory after assembly is placed in sealing pressing assembly mechanism, sealing pressing assembly mechanism and steel ball pressing assembly mechanism can press seal accessory and steel ball accessory to the automobile engine shell, so that a kind of equipment can carry out the pressing of multiple accessories, and the pressing process adopts automation processing, improves work efficiency while reducing labor cost.

The utility model discloses a kind of binding structure of automobile engine wire harness, belong to automobile engine wire harness technical field.This kind of binding structure of automobile engine wire harness, including base, fixed assembly, drive assembly and binding assembly, fixed assembly is used to the wire harness both ends fixed, drive assembly is used to drive binding assembly movement and rotation, binding assembly is used to wire harness winding binding, drive assembly includes a pair of connecting frame, one side of a pair of connecting frame is evenly provided with arc sliding slot, sliding connection has annular slide bar between a pair of arc sliding slot, one side of annular slide bar is connected with first gear, the outside one side of one connecting frame is equipped with mounting bracket, one side of mounting bracket is connected with servo motor, the output of servo motor is through mounting bracket, and is connected with second gear, second gear and first gear are mutually engaged, and binding assembly includes connecting block, one side of connecting block is fixedly connected with the side of first gear away from annular slide bar.

1. Name of the product in this design: Snorkel (Jetour G700 Off-road Edition - ss030). 2. Purpose of this design: A snorkel for raising the height of the air intake of a car engine. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention belongs to the field of automotive component testing technology, specifically relating to an online testing method and system for tensioner pulleys. The system includes a data acquisition subsystem, an online analysis and diagnostic subsystem, and a multi-level alarm subsystem. The data acquisition subsystem synchronously collects tensioner pulley operating condition data through a multi-source sensor array. The online analysis and diagnostic subsystem integrates latent variable feature extraction, blind source separation, and independent component analysis functions. By constructing frequency constraints, envelope constraints, and similarity constraints, it achieves tensioner pulley health status detection and accurate fault identification and location, and can also simultaneously predict remaining lifespan. This invention solves the shortcomings of traditional offline testing, such as low efficiency, inability to reflect true working conditions, and insufficient fault location accuracy. It achieves real-time tensioner pulley detection under multiple operating conditions, with high detection accuracy and strong robustness, and is suitable for the full lifecycle monitoring of automotive engine tensioner pulleys.