53results about "Casings" patented technology

The application discloses an engine and a motorcycle adopting the engine. The engine comprises a shell part, a bolt fastener and a sealing washer. The bolt fastener is arranged in the sealing washer and connected with the shell part. The sealing washer comprises a sealing hole for the bolt fastener. A convex part capable of being elastically deformed is formed on the inner wall of the sealing hole. The convex part makes the inner diameter of the sealing hole smaller than the diameter of the bolt fastener. Through the above arrangement, the assembly efficiency of the bolt fastener can be improved.

This utility model discloses a vibration damping structure for an engine front cover, including an outer shell. A vibration damping turbine is installed inside the outer shell, and the turbine is connected to the outer shell via vibration damping bolts. A sealing cover is installed on one side surface of the turbine, and a sealing front cover is detachably installed on the side surface of the sealing cover. A cooling impeller is installed between the vibration damping turbine and the outer shell. This utility model provides convenient sealing and assembly of the engine front cover components, using vibration damping bolts to connect and align the various cover shells. It offers advantages such as good sealing and a tight, stable connection, effectively preventing the shell from loosening due to significant engine vibration during operation. Simultaneously, the internal and external heat dissipation design of the shell allows for rapid heat dissipation from the engine, providing excellent cooling performance. The planetary gear transmission mechanism integrated into the end cover shell, combined with an eccentric wheel structure, effectively reduces vibration at the shaft end.

The invention relates to an assembly comprising a heat engine equipped with a cylinder head (2) covered by a cylinder-head cover (4), which between them receive at least one camshaft having, on one side, a joining edge parallel to its axis, which is formed between two flat surfaces, and comprising a tool for adjusting the rotation of the camshaft, which tool fits into a bore in the cylinder-head cover, the adjustment tool comprising an attachment part (20) for attachment to the cylinder-head cover (4), and an independent rod comprising, at its end, a notch having two bearing faces which, in the fixed position of the tool, bear on the two surfaces of the camshaft on either side of the edge.

The application discloses an engine assembly, a power system and a vehicle, relates to the technical field of vehicles, and aims to solve the problem of how to improve the space utilization of a vehicle. The engine assembly comprises an engine body tail gas treatment device, the engine body comprises an exhaust port; the tail gas treatment device is communicated with the exhaust port and is used for treating exhaust gas generated by the engine body, and the tail gas treatment device is arranged on the side of the engine body facing the vehicle head.

To provide an engine capable of enhancing a gas-liquid separation effect of fluid.SOLUTION: An engine E includes: a crank shaft 2 that converts a reciprocating motion of a piston 3 to a rotating motion; a crank case 4 that supports the crank shaft 2; a cylinder 6 projecting from the crank case 4 to one side in a piston reciprocating direction; an oil pan 14 mounted to a lower side of the crank case 4 to form a fluid collecting space SP for collecting oil that has lubricated a lubricated portion within the crank case 4; and a scavenging pump 30 for sucking the oil from inside of the fluid collecting space SP and discharging the oil to an oil tank 28. A breather intake port 38a is formed at a position facing the fluid collecting space SP from above.SELECTED DRAWING: Figure 2

An integrated housing for a range extender, belonging to the technical field of integrated housings for automotive range extenders, is characterized by: comprising an upper housing and a lower housing, with a generator mounting housing connected to the front ends of the upper and lower housings; the generator mounting housing is divided into two half-housings, which are respectively connected to the front ends of the upper and lower housings; a plurality of crankshaft bearing holes are evenly distributed in a horizontal row at the middle of the inner surface of the upper and lower housings; and a bidirectional oil seal is provided at the inner edge of the front end of the upper and lower housings. This reduces the number of system components, resulting in a simple system structure, low cost, and shortened axial length, which facilitates vehicle layout and allows for quick and easy disassembly by personnel.

To improve the efficiency of engine maintenance and other related tasks. [Solution] The engine cover 11 that covers the outboard motor engine comprises a left wall portion 12 that covers the left side of the engine, a right wall portion that covers the right side of the engine, a front wall portion 14 that covers the front of the engine, a rear wall portion 15 that covers the rear of the engine, and an upper wall portion 16 that covers the top of the engine. The rear wall portion 15 is detachably connected to the portion of the engine cover 11 that includes the left wall portion 12, the right wall portion, the front wall portion 14, and the upper wall portion 16. By separating the rear wall portion 15 from the portion of the engine cover 11 that includes the left wall portion 12, the right wall portion, the front wall portion 14, and the upper wall portion 16, a part of the engine can be exposed.

The invention relates to an internal combustion engine (10) for a motor vehicle, comprising a crankcase (12) and a cylinder head (14), which is formed separately from the crankcase (12) and connected to the crankcase (12), wherein the crankcase (12) and the cylinder head (14) are bonded directly to each other by means of an adhesive (K) arranged between the crankcase (12) and the cylinder head (14).

This utility model relates to the field of cylinder head covers, and more specifically, to a cylinder head cover that facilitates oil-gas separation. The cylinder head cover includes a cylinder head cover shell and a cylindrical cavity disposed on the cylinder head cover shell. An outlet pipe is coaxially disposed at the end of the cylindrical cavity away from the cylinder head cover shell. A filter mechanism is installed within the cylindrical cavity, capable of filtering oil droplets from the oil-gas mixture. The filter mechanism includes a rotating ring that rotates at the port of the cylindrical cavity, an inner tube that rotates within the outlet pipe, and a conical tube fixed between the rotating ring and the inner tube, with a filter element disposed within the conical tube. This utility model improves the oil-gas separation effect.

The application discloses an engine, which comprises an off-center engine and a central shaft device, the off-center engine comprises an engine box and an engine power output, the central shaft device comprises a central shaft device box and a central shaft device transmission mechanism in the central shaft device box; the central shaft device transmission mechanism comprises a central shaft device power input and a central shaft device power output in transmission connection, the central shaft device box is detachably connected to the engine box, and after the connection, the engine power output and the central shaft device power input are in transmission connection, and the off-center engine is switched to a central shaft engine which outputs power through the central shaft device power output; the central shaft device is arranged close to the lateral middle part of the off-center engine; the central shaft device output shaft is closer to the center line of the engine through the installation of the central shaft device close to the lateral middle part of the off-center engine, the overall layout is more compact, the engine is installed on a three-wheeled motorcycle and is closer to the center line of the rear axle of the three-wheeled motorcycle, and the balance and safety of the three-wheeled motorcycle are improved; the central shaft device is detachable and convenient to maintain.

A vehicle-mounted internal combustion engine is provided. The engine is a V-type engine having two cylinder banks, a right-side cylinder bank and a left-side cylinder bank. The engine has a cylinder head cover in each cylinder bank, which has a fuel supply device installed therein for supplying fuel to a cylinder. The engine has a rotational axis direction of a crankshaft set as a front-rear direction of the engine, and has a direction parallel to a reference surface, which is a horizontal plane in a posture when the engine is mounted on a vehicle, and orthogonal to the front-rear direction set as a left-right direction of the engine. The engine has a protrusion provided to the cylinder head cover, which is located at a position outward of the left-right direction from a portion of the fuel supply device exposed from the cylinder head cover, i.e., a delivery pipe.

The utility model relates to the technical field of main bearing cap, specifically to an engine main bearing cap, including the cover body, the cover body includes the connecting portion, both sides of connecting portion all are provided with the column portion, is set up the screw hole that passes up and down on the column portion, the upper end surface of column portion is set up the slot that communicates with the screw hole, the utility model discloses the slot of communication on the screw hole upper end of cover body, installs the bolt in the screw hole, the setting of slot plays the role of dispersing stress, avoids the stress concentration in the point or certain area of bolt, under the locking force of bolt, reduces stress through the slot, reduces the probability of bolt fatigue damage under the long -term effect, reduces the degree of cover body deformation or damage.

The utility model relates to a cylinder cover of range extender with integrated oil-gas separation structure and pressure regulating function. It includes cylinder cover, oil-gas separation module and pressure regulating module, oil-gas separation module is in the inside of cylinder cover as a whole, oil-gas separation module is constituted by oil-gas separation shell, first -class separation baffle, second -class separation baffle, third -class separation chamber and rear cavity, and the front end of oil-gas separation shell is equipped with air intake, and the bottom of oil-gas separation shell is equipped with first oil guide groove, second oil guide groove and oil guide slope, pressure regulating module is in the upper surface of cylinder cover as a whole, and pressure regulating module is constituted by pressure regulating cover, full load breathing cavity, low load breathing cavity, full load breather, low load breather, first external connection pipe and second external connection pipe. Oil-gas separation module and pressure regulating module in the utility model are integrated on cylinder cover, and the overall structure is compact, thereby reducing engine parts quantity and whole machine cost, and improving its market competitiveness.

The application discloses a crankcase, an engine and a vehicle, and belongs to the technical field of vehicles.The crankcase comprises a shell and an oil-gas separator, the shell is provided with an oil-gas separation cavity; the oil-gas separator comprises a first perforated plate assembly and a second perforated plate assembly, the first perforated plate assembly and the second perforated plate assembly are respectively provided with a first through hole and a second through hole; the first perforated plate assembly is fixedly connected to the shell, and part of the second perforated plate assembly is movable relative to the first perforated plate assembly along a direction perpendicular to the opening direction of the first through hole, so that the oil-gas separator is switched between a partial conduction state and a full conduction state; in the case that the oil-gas separator is in the partial conduction state, the first through hole and the second through hole partially overlap; in the case that the oil-gas separator is in the full conduction state, the first through hole and the second through hole completely overlap.In the embodiment of the application, the overlapping area of the second through hole and the first through hole is adjustable, the conduction state of the oil-gas separator is adjusted, and the separation efficiency is improved.

The utility model belongs to the technical field of motorcycle engine relates to a motorcycle engine's side cover structure, including side cover casing, the side cover casing is adjacent to one side of driving disc group and is provided with the air intake and the crankshaft drive's impeller, is adjacent to one side of driven disc group and is provided with the air outlet, the impeller axial air intake, circumferential air outlet, be provided with spiral -shaped air -guiding rib on the side cover casing, air -guiding rib is located the circumferential outside of impeller, and the clearance between it and the circumferential outer edge of impeller gradually increases along the airflow flow direction, and forms the flow opening on the opposite side of driven disc group. The side cover structure of motorcycle engine provided by the utility model has improved the convenience and comfort of use.

To improve the efficiency of engine maintenance and other related tasks. [Solution] The engine cover 11 covering the outboard motor engine comprises a left wall portion 12 covering the left side of the engine, a right wall portion 13 covering the right side of the engine, a front wall portion 14 covering the front of the engine, a rear wall portion 15 covering the rear of the engine, and an upper wall portion 16 covering the top of the engine. The upper wall portion 16 is detachably connected to the portion of the engine cover 11 that includes the left wall portion 12, the right wall portion 13, the front wall portion 14, and the rear wall portion 15. By separating the upper wall portion 16 from the portion of the engine cover 11 that includes the left wall portion 12, the right wall portion 13, the front wall portion 14, and the rear wall portion 15, an opening is formed on the top of the engine cover 11 that allows a user to touch the engine.

The invention relates to an internal combustion engine (10) for a motor vehicle, having a crankcase (12) and having a cylinder head (14) which is formed separately from the crankcase (12) and is connected to the crankcase (12), wherein the crankcase (12) and the cylinder head (14) are adhesively bonded directly to one another by means of an adhesive (K) arranged between the crankcase (12) and the cylinder head (14).

This utility model discloses an exhaust gas emission mechanism for a crankcase of a large-displacement motorcycle engine, including a left crankcase, a right crankcase, and a crankcase gasket placed between the connecting end faces of the left and right crankcases; an exhaust labyrinth B and an exhaust labyrinth A are respectively provided at the upper ends of the left and right crankcases; both exhaust labyrinth B and exhaust labyrinth A are inclined in the same direction; an exhaust gas inlet is provided at the lower position of exhaust labyrinth A, and a serpentine exhaust channel is provided inside exhaust labyrinth A, forming a first exhaust channel with the crankcase gasket; an irregularly shaped exhaust channel is provided inside exhaust labyrinth B, and an exhaust hole and an oil return groove are respectively provided on the upper and lower sides of the lower position of exhaust labyrinth B, forming a second exhaust channel together with the crankcase gasket; a guide hole for connecting the first and second exhaust channels is provided at the upper position of the crankcase gasket corresponding to exhaust labyrinth B and exhaust labyrinth A, forming an exhaust gas emission channel together with the first exhaust channel, the guide hole, the second exhaust channel, and the exhaust hole.

The invention relates to an internal combustion engine (10) for a motor vehicle, comprising a crankcase (12) having at least two cylinders (18) arranged side by side and a web (28) arranged between the cylinders (18), and a cylinder head (14) which is formed separately from the crankcase (12) and connected to the crankcase (12). At least one dowel pin (38), formed separately from the crankcase (12) and the cylinder head (14), is provided, engaging in a corresponding first recess (40) formed in the web (28) and in a corresponding second recess (42) formed in the cylinder head (14), by means of which the crankcase (12) and the cylinder head (14) are connected to each other.

This utility model belongs to the field of mechanical equipment technology, specifically relating to a motor-driven pump unit with an adjusting component and a diesel engine. The motor-driven pump unit of this utility model is used with a diesel engine. The diesel engine has a housing, and the transmission assembly includes a first transmission gear and a second transmission gear. The first transmission gear is connected to the pump body, and the second transmission gear meshes with the first transmission gear and is used to connect to the diesel engine. The adjusting component is disposed between the pump body and the housing and is used to adjust the tooth backlash between the first and second transmission gears. By using the motor-driven pump unit of this technical solution, the adjusting component, disposed between the pump body and the housing, can adjust the tooth backlash of the first and second transmission gears in the stationary state of meshing, thereby avoiding out-of-tolerance problems. Furthermore, by selecting different adjusting components, the motor-driven pump unit can be adapted to various models of diesel engines, improving its applicability and versatility.

The invention relates to an internal combustion engine (10) for a motor vehicle, comprising a crankcase (12) having at least two cylinders (18) arranged side by side and a web (28) arranged between the cylinders (18), and a cylinder head (14) which is formed separately from the crankcase (12) and connected to the crankcase (12). At least one dowel pin (38), formed separately from the crankcase (12) and the cylinder head (14), is provided, engaging in a corresponding first recess (40) formed in the web (28) and in a corresponding second recess (42) formed in the cylinder head (14), by means of which the crankcase (12) and the cylinder head (14) are connected to each other.

The application provides a cylinder head cover assembly, an engine, a vehicle and a leakage diagnosis method. The cylinder head cover assembly comprises a cylinder head cover body, a pressure regulating valve, a first built-in pipeline, a second built-in pipeline and a switching valve. The pressure regulating valve is arranged on the cylinder head cover body and communicates with a crankcase. The first built-in pipeline is arranged inside the cylinder head cover body and connected between the pressure regulating valve and an intake manifold. The second built-in pipeline is arranged inside the cylinder head cover body and connected between the pressure regulating valve and an external ventilation pipeline. The switching valve is arranged inside the cylinder head cover body and connected between the first built-in pipeline and the second built-in pipeline. In a non-diagnosis working condition, the switching valve disconnects the first built-in pipeline and the second built-in pipeline; in a diagnosis working condition, the switching valve connects the first built-in pipeline and the second built-in pipeline to perform leakage diagnosis on at least the external ventilation pipeline. The embodiment of the application improves the integration and response speed of the diagnosis system by establishing a diagnosis loop inside the cylinder head cover.

The utility model belongs to the field of automobile engine, specifically is a kind of lightweight shell of stable connection automobile engine, including body, the weight-reducing compartment is set in the body inside, the reinforcing assembly is set to the body outside, the reinforcing assembly includes two steady blocks fixedly connected in the body inside, the first reinforcing plate in the body inside.The utility model is set in the body inside weight-reducing compartment, to reduce the weight of body, then steady block is reinforced on the body outside, and first reinforcing plate and second reinforcing plate are reinforced, to guarantee the stability when body runs, then the weight-reducing hole and mounting hole are set in first reinforcing plate and second reinforcing plate inside, to reduce the weight of body whole again, to reduce the weight of body whole when being reduced, the stability of body can also be guaranteed, to reduce the weight of automobile whole, to improve the automobile control performance, to reduce fuel consumption, and the heat dissipation capacity of engine can also be guaranteed.

This utility model belongs to the field of vehicle technology and discloses an engine body, an engine assembly, and a vehicle. The engine body includes a cylinder block, a main bearing cap, and a through bolt, and has a main oil passage. The cylinder block has a first bolt hole, and the main bearing cap has a second bolt hole. The through bolt passes through both the first and second bolt holes. The main oil passage is used for lubricating oil to pass through. There is a gap between the first bolt hole and the through bolt, and there is a gap between the second bolt hole and the through bolt. Multiple branch oil passages are connected downstream of the main oil passage, some of which connect to the gaps, so that the lubricating oil in the main oil passage can enter the gaps through the aforementioned branch oil passages. High-pressure lubricating oil provides damping to reduce the vibration amplitude of the through bolt relative to the cylinder block and the main bearing cap, preventing the through bolt from loosening. At the same time, since no additional buffer structure is required, the overall structure is simple.

The burr shape is provided to avoid the risk of poor heat dissipation due to insufficient coupling between the cylinder liner and the cylinder block. [Solution] The cylinder liner is cast into the cylinder block, and a plurality of burrs 3 are formed on the outer surface of the cylinder liner. At least one of the burrs 3 satisfies the condition that, in a cast-type burred cylinder liner, if L1 is the diameter at a position 0.25 mm from the top of the burr 3 and L2 is the diameter at a position 0.4 mm from the top of the burr 3, then the range of the ratio of diameter L1 to diameter L2 is 0.65 ≤ L1:L2 ≤ 1.15.

The application discloses a waterproof engine general layout structure, belongs to the technical field of internal combustion engines, and is close arrangement for the layout of a 1.5L-1.6L displacement supercharged gasoline engine, and comprises a high-efficiency supercharged engine body, an air intake system, an EGR system, a cooling system and a supercharging system, and can solve the problems of easy water damage, crowded system arrangement, low integration degree and insufficient waterproof reliability of the engine under a water crossing working condition.

The present disclosure relates to an engine assembly for a vehicle. The engine assembly comprises an engine including a cylinder head and an engine block. The engine block comprises a cylinder block and a crankcase having a crankshaft. The engine may be used in different models of the vehicle having different characteristics by interchanging or replacing the cylinder head from a plurality of cylinder heads and / or a cylinder block from a plurality of cylinder blocks, while keeping one or more engine components such as the crankcase, a timing chain, or a valve cover the same. Accordingly, the engine is adaptable to different vehicles.

The application discloses an engine front cover, an engine and a vehicle. The engine front cover comprises a front cover body, wherein the front cover body has an outer side surface part, the front cover body is provided with a suspension mounting platform which is protruded towards the side where the outer side surface part is located, the suspension mounting platform is located in a middle area of the front cover body, the suspension mounting platform is provided with at least three mounting holes, and each mounting hole is arranged in a non-linear mode. The engine front cover can reduce the structural vibration transmission to the whole vehicle body through structural optimization.