WO2017161910A1 - Moteur à combustion interne à cylindres horizontaux opposés - Google Patents

Moteur à combustion interne à cylindres horizontaux opposés Download PDF

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Publication number
WO2017161910A1
WO2017161910A1 PCT/CN2016/107967 CN2016107967W WO2017161910A1 WO 2017161910 A1 WO2017161910 A1 WO 2017161910A1 CN 2016107967 W CN2016107967 W CN 2016107967W WO 2017161910 A1 WO2017161910 A1 WO 2017161910A1
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Prior art keywords
cylinder
piston
combustion engine
internal combustion
head
Prior art date
Application number
PCT/CN2016/107967
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English (en)
Chinese (zh)
Inventor
白云龙
Original Assignee
白云龙
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Application filed by 白云龙 filed Critical 白云龙
Publication of WO2017161910A1 publication Critical patent/WO2017161910A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/24—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/24—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type
    • F02B75/243—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type with only one crankshaft of the "boxer" type, e.g. all connecting rods attached to separate crankshaft bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F5/00—Piston rings, e.g. associated with piston crown
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/007—Adaptations for cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/26—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction characterised by the use of particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1816—Number of cylinders four

Definitions

  • the present invention relates to the field of power machinery, and in particular to a horizontally opposed internal combustion engine.
  • An internal combustion engine is a kind of power machine. It is a heat engine that converts the fuel into a power by directly burning the fuel inside the machine.
  • a horizontally opposed internal combustion engine comprising a left cylinder block and a right cylinder block, the left cylinder block is provided with a plurality of left piston cylinders, and the right cylinder block is provided with a plurality of right piston cylinders, a plurality of left piston cylinders and a plurality of
  • the right piston cylinder is symmetrically disposed, and the opposite left piston cylinder and the right piston cylinder axis coincide, and the left cylinder and the right cylinder are connected to each other to form a crankcase.
  • the crankcase is provided with a rotatable crankshaft, and the crankshaft is provided with a plurality of crankshafts.
  • Each of the cranks is connected with two curved connecting rods, and the two connecting rods are respectively connected with pistons, and the two pistons on the same crank are respectively slidably connected to the opposite left and right piston cylinders. .
  • the left cylinder is provided with two left piston cylinders, the two left piston cylinders being a first left piston cylinder and a second left piston cylinder, respectively, and the right cylinder body is provided with two right cylinders.
  • Piston cylinder, two right piston cylinders are a first right piston cylinder and a second right piston cylinder, respectively, a first left piston cylinder and a first
  • the right piston cylinder is symmetrically disposed
  • the second left piston cylinder is symmetrically disposed with the second right piston cylinder
  • two cranks are disposed on the crankshaft
  • the two cranks are the first crank and the second crank, respectively
  • the first crank and The second crank is connected with two connecting rods, each of which is connected with a piston
  • the two pistons on the first crank are respectively slidably connected to the first left piston cylinder and the first right piston cylinder
  • the two pistons on the two turns are slidably coupled to the second left piston cylinder and the second piston cylinder, respectively.
  • a left cylinder head is connected to the left cylinder block, a left cam bracket is connected to the left cylinder head, a left cover is connected to the left cam bracket, and an air inlet is arranged on the left cylinder head and The air outlet, the air inlet and the air outlet are respectively connected with the left piston cylinder, and the left cylinder head, the left cam bracket and the left cover together form a left combustion chamber;
  • the right cylinder body is connected with a right cylinder head, and the right cylinder head is connected with Right cam bracket, right cam bracket is connected with right cover, right cylinder cover is provided with air inlet and air outlet, air inlet and air outlet are respectively connected with right piston cylinder, right cylinder head, right cam bracket and right cover
  • the cover together encloses the right combustion chamber.
  • an intake manifold and an air outlet manifold are disposed between the left cylinder head and the right cylinder head, and the intake manifold is provided with an intake end and a plurality of air outlet ends, and the plurality of air outlet ends respectively
  • the air outlet is connected with the air inlet of the left cylinder head and the right cylinder head
  • the air outlet manifold is provided with an exhaust end and a plurality of air suction ends, and the plurality of air suction ends are respectively connected with the air outlets of the left cylinder head and the right cylinder head.
  • one side of the crankcase is provided with a front cover, and the front cover covers the left cover, the left cam bracket, the left cylinder head, the left cylinder block, the right cylinder block, and the right cylinder head, Right cam bracket and right cover.
  • the crankcase is provided with a cooling groove for dissipating heat from the left piston cylinder and the right piston cylinder, and the cooling groove is connected to the coolant inlet and the coolant outlet.
  • the side wall of the piston is provided with a plurality of annular grooves, and the annular groove is provided with a sealing ring, and the sealing ring is a steel piston ring.
  • the connecting rod includes a large head, a shaft and a small head which are sequentially connected, and a joint of the big head and the shaft and a joint of the shaft and the small head adopt a circular arc transition.
  • the output end of the crankshaft is provided with a flange, and the flange is provided There are multiple mounting through holes.
  • a limited position protrusion is disposed on a side of the crankcase corresponding to the output end of the crankshaft, and the limiting protrusion surrounds the mounting cavity, and the limiting protrusion is provided with a plurality of connecting screw holes.
  • the horizontally opposed internal combustion engine adopts a structure in which a crank connects two connecting rods and corresponds to two piston cylinders, which can effectively reduce the volume of the cylinder block of the internal combustion engine and shorten the length of the crankshaft, and at the same time, the plurality of piston cylinders are symmetrically arranged.
  • the symmetrical two piston cylinder axes coincide, which can effectively reduce the processing difficulty and strength of the internal combustion engine cylinder, and make up for the defects of the prior art.
  • FIG. 1 is a schematic structural view of a horizontally opposed internal combustion engine according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of another horizontal angle of the internal combustion engine according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of still another angle of a horizontally opposed internal combustion engine according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a left cylinder body according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a left cylinder head according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural view of a crankshaft according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a connecting rod according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural view of another angle of a connecting rod according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of an intake manifold according to an embodiment of the present invention.
  • crankshaft 300 crank turn 310; connecting rod 400; intake manifold 500;
  • Outlet manifold 600 front cover 700.
  • the terms “set”, “install”, “connected”, and “connected” are to be understood broadly, and may be fixed connections, for example, unless otherwise specifically defined and defined. It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be internal communication between the two elements.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the embodiment provides a four-cylinder horizontal full-opposing internal combustion engine including a left cylinder 100 and a right cylinder 200.
  • the left cylinder 100 is provided with two left piston cylinders 105 and two left piston cylinders.
  • 105 are a first left piston cylinder and a second left piston cylinder, respectively.
  • the right cylinder block 200 is provided with two right piston cylinders.
  • the two right piston cylinders are respectively a first right piston cylinder and a second right piston cylinder.
  • the first right piston cylinder is symmetrically disposed with the first left piston cylinder and the axes of the two are coincident.
  • the second right piston cylinder is symmetrically disposed with the second left piston cylinder and the axes thereof are coincident.
  • the plurality of left piston cylinders 105 and the plurality of right piston cylinders are symmetrically disposed.
  • the left cylinder block 100 and the right cylinder block 200 are detachably connected by bolts to jointly form a crankcase 300.
  • the crankshaft 300 is provided with a rotatable crankshaft 300.
  • the crankshaft 300 is provided with two cranks 310, and the two cranks 310 respectively It is a first crank 310 and a second crank 310.
  • Two links 400 are connected to each of the first crank 310 and the second crank 310.
  • Each of the links 400 is connected to a piston at one end of the crankshaft 300, and the two pistons on the first crank 310 are respectively slidably connected to In the first left piston cylinder and the first right piston cylinder, the two pistons on the second crank 310 are slidably coupled to the second left piston cylinder and the second piston cylinder, respectively.
  • the left cylinder 100 and the right cylinder 200 are similar in structure and have a rectangular parallelepiped shape as a whole. Accordingly, the crankcase 300 is also in the shape of a rectangular parallelepiped; the left cylinder 100 and the right cylinder 200 are respectively connected to each other.
  • a semi-cylindrical support hole after the left cylinder 100 and the right cylinder 200 are connected, the semi-cylindrical support holes of the two are in one-to-one correspondence to form a plurality of cylindrical support holes, and the plurality of cylindrical support holes and A plurality of cylindrical support portions on the crankshaft 300 are matched one by one; a balance block is disposed between the cranks 310 of the crankshaft 300 and the support portion to reduce the amplitude and frequency of vibration of the crankshaft 300 after high-speed rotation Rate; a sliding bearing is disposed between the crank 310 and the connecting rod 400 to ensure the smoothness of the relative rotation of the two.
  • the working principle and process of the horizontally opposed internal combustion engine are as follows: firstly, the piston makes a linear reciprocating motion in the piston cylinder under the driving of the energy generated by the combustion; then the connecting rod 400 is driven by the piston in the crankcase 300; Thereafter, the crankshaft 300 is rotated at a high speed in the crankcase 300 under the pushing of the connecting rod 400, and finally the power of the high-speed rotating crankshaft 300 is output from the output end to power the supporting equipment (such as a generator, etc.). In this way, the heat generated by the combustion of the fuel is converted into mechanical energy.
  • the supporting equipment such as a generator, etc.
  • the piston cylinders of the existing internal combustion engines are mostly arranged on one side of the crankshaft 300 along a straight line, resulting in a larger volume of the entire cylinder, especially a longer span in the longitudinal direction, and accordingly, the crankshaft 300 is also longer.
  • the difficulty and cost of the machining are greatly improved.
  • the bearing is only impacted by the piston and the connecting rod 400 on one side, the balance of the crankshaft 300 is also not good, and noise and vibration are severe during operation.
  • the horizontal full-opposed internal combustion engine provided by the technical solution adopts a double-cylinder structure, and two sets of piston cylinders are symmetrically disposed on two cylinders and the axes of two symmetric piston cylinders coincide, correspondingly,
  • the rod 400 and the piston are also respectively disposed on both sides of the crankshaft 300 and respectively correspond to the cylinder block and the piston cylinder on both sides of the crankshaft 300, which can greatly reduce the span of the cylinder length direction and shorten the crankshaft 300.
  • the length reduces the difficulty and cost of machining the crankshaft 300.
  • both sides of the crankshaft 300 are subjected to the impact of the piston and the connecting rod 400, the impact forces received on both sides can cancel each other, thereby improving the balance of the crankshaft 300 and reducing the balance.
  • the noise and vibration during the operation of the entire horizontally opposed internal combustion engine effectively improve the NVH (noise, vibration and harshness) of the present extender.
  • a left cylinder head 110 is connected to the left cylinder block 100, a left cam bracket 120 is connected to the left cylinder head 110, and a left cover 130 is connected to the left cam bracket 120, and the left cylinder head 110 is disposed on the left cylinder head 110.
  • There are two sets of air inlets and air outlets wherein one set of air inlets and air outlets are respectively connected with the first left piston cylinder, and another set of air inlets and air outlets are respectively connected with the second left piston cylinder, and the left cylinder head 110 is respectively connected.
  • the left cam bracket 120 and the left cover 130 together form a left combustion chamber; the right cylinder 200 is connected with a right cylinder
  • the cover 210 has a right cam bracket 220 connected to the right cylinder head 210, and a right cover 230 connected to the right cam bracket 220.
  • the right cylinder head 210 is also provided with two sets of air inlets and air outlets, one of which is a plurality of air inlets. And the air outlet respectively communicate with the first right piston cylinder, and the other group of the air inlet and the air outlet are respectively connected with the second right piston cylinder, and the right cylinder head 210, the right cam bracket 220 and the right cover 230 together form a right combustion chamber .
  • the left cylinder head 110 and the right cylinder head 210 are symmetrically disposed on two sides of the crankcase 300, and the two structures are similar and generally flat and rectangular, and the left cam bracket 120 and the right cam bracket 220 are symmetrically disposed on the crankcase 300. Both sides are similar in structure and overall are rectangular frame structures; the left cover 130 and the right cover 230 are punctured and disposed on both sides of the crankcase 300, and the two structures are similar and respectively provided with spark plugs for ignition;
  • the left combustion chamber is provided with a left valve and a left cam
  • the right combustion chamber is respectively provided with a right valve and a right cam.
  • the left cam opens the left valve
  • the left combustion chamber communicates with the left piston cylinder 105, and the energy generated by combustion in the left combustion chamber pushes the left piston.
  • the piston in the cylinder 105 at this time, the right cam closes the right valve, the right combustion chamber is disconnected from the right piston cylinder, and the energy generated by combustion in the right combustion chamber pushes the piston in the right piston cylinder, so that the left and right valves alternately open and close to achieve two
  • the alternating push of the pistons indirectly pushes the high speed rotation of the crankshaft 300 to convert the chemical energy generated by the combustion into the rotational power of the crankshaft 300;
  • the piston cylinder 105 and the two right piston cylinders discharge two left piston cylinders 105 and two right piston cylinders from the air outlet.
  • the air inlet and the air outlet of the present embodiment are respectively disposed on the left cylinder head 110 and the right cylinder head 210. Opposite sides to facilitate the inhalation and discharge of air.
  • the purpose of the left cylinder head 110, the left cam bracket 120, the left cover 130, the right cylinder head 210, the right cam bracket 220, and the right cover 230 is that the structure is simple and symmetrical, the assembly is simple and convenient, and the horizontal full opposite can be effectively improved.
  • the function of the internal combustion engine is simple and symmetrical, the assembly is simple and convenient, and the horizontal full opposite can be effectively improved.
  • an intake manifold 500 and an air outlet manifold 600 are disposed between the left cylinder head 110 and the right cylinder head 210.
  • the intake manifold 500 is provided with an intake end and four air outlet ends, and the four air outlet ends respectively
  • the two intake ports of the left cylinder head 110 are in communication with the two intake ports of the right cylinder head 210
  • the exhaust manifold 600 is provided with exhaust gas.
  • the end and the four suction ends communicate with the two air outlets of the left cylinder head 110 and the two air outlets of the right cylinder head 210, respectively.
  • the air first enters from the intake end of the intake manifold 500, and then passes through the intake ports of the left cylinder head 110 and the right cylinder head 210 to enter The left piston cylinder 105 and the right piston cylinder, after passing through the air outlets of the left cylinder head 110 and the right cylinder head 210, enter the air outlet manifold 600 and are finally discharged from the exhaust end of the air outlet manifold 600.
  • the purpose of the intake manifold 500 and the outlet manifold 600 is to facilitate centralized suction and exhaust of the two left piston cylinders 105 and the two right piston cylinders to optimize the structural layout of the horizontally opposed internal combustion engine.
  • a front cover 700 is further disposed on one side of the crankcase 300, and the front cover 700 covers the left cover 130, the left cam bracket 120, the left cylinder head 110, the left cylinder 100, the right cylinder 200, The right cylinder head 210, the right cam bracket 220, and the right cover 230.
  • the front cover 700 is connected to one side of the horizontal full-opposing internal combustion engine away from the generator by a plurality of bolts, and the plurality of spirals are arranged along the edge of the front cover 700 to improve the stability of the installation of the front cover 700;
  • the cover 700 is provided with an oil inlet hole and an oil outlet hole for introducing and discharging lubricating oil.
  • the purpose of providing the front cover 700 is to effectively protect the various components of the horizontally opposed internal combustion engine, and at the same time facilitate the lubrication of the horizontally opposed internal combustion engine.
  • crankcase 300 is provided with cooling slots for dissipating heat from the two left piston cylinders 105 and the two right piston cylinders, and the cooling slots are connected to the coolant inlet and the coolant outlet.
  • the cooling tank has two and is respectively disposed around the left piston cylinder 105 and the right piston cylinder to optimize the cooling effect; the coolant inlet and the coolant outlet are respectively disposed on both sides of the left piston cylinder 105 and the right piston cylinder. To facilitate the flow of coolant in the cooling tank.
  • the purpose of the cooling tank is to cool the left piston cylinder 105 and the right piston cylinder in an operating state, thereby preventing the normal operation of the horizontally opposed internal combustion engine from being affected by the excessive temperature.
  • the side wall of the piston is provided with a plurality of annular grooves, and the annular groove is provided with a sealing ring, and the sealing ring is a steel piston ring.
  • the annular groove has a rectangular cross section for processing; the plurality of annular grooves are along the height of the piston
  • the temperature direction is evenly spaced; the steel has excellent wear resistance and fatigue resistance, and can be well suited to the working environment of the piston.
  • its friction coefficient is extremely low, which can greatly reduce the friction between the piston and the piston cylinder. It is very conducive to the high speed movement of the piston.
  • the purpose of providing a plurality of sealing rings is to prevent the pollutants generated by the combustion from entering the crankcase 300 through the gap between the piston and the piston cylinder, thereby ensuring the normal operation of the crankshaft 300 and the connecting rod 400 and prolonging the service life of both.
  • the connecting rod 400 includes a large head, a shaft and a small head which are sequentially connected, and a joint of the big head and the shaft and a joint of the shaft and the small head adopt a circular arc transition.
  • the small head is used for connecting with the piston
  • the big head is used for connecting with the crankshaft 300
  • the small head is provided with a first rotating hole matched with the piston pin
  • the big head includes a fixing portion integrally formed with the shaft body and detachably connected to the fixing portion
  • the upper movable portion the cross section of the shaft is "work” shaped to increase the strength of the entire connecting rod 400
  • the shaft and the small head portion are bent at an angle with respect to the big head so that the two connected to the same crank 310
  • the connecting rods 400 and the pistons and piston cylinders corresponding to the two connecting rods 400 described above can be completely symmetrically arranged.
  • the purpose of setting the arc is to avoid stress concentration in the connecting rod 400, optimize the mechanical properties of the connecting rod 400, and extend the service life of the connecting rod 400.
  • the output end of the crankshaft 300 is provided with a flange, and the flange is provided with a plurality of mounting through holes.
  • the flange is mainly used for connecting supporting equipment, such as a generator; the flange is generally disk-shaped, and a plurality of mounting through holes are evenly spaced along the circumferential direction of the flange, and a plurality of bolts respectively pass through the above installation The hole is locked to the shaft of the accessory equipment, such as the rotor of the generator.
  • the purpose of using the flange to connect the supporting equipment is that the structure is simple and the connection is stable, and the synchronous rotation of the crankshaft 300 and the rotating shaft of the supporting equipment can be effectively realized, and the normal power generation of the supporting equipment is ensured.
  • a finite position protrusion is disposed on a side of the crankshaft 300 corresponding to the output end of the crankshaft 300, and the limiting protrusion is surrounded by a mounting cavity, and the limiting protrusion is provided with a plurality of connecting screw holes.
  • the shape and size of the mounting cavity match the bottom of the accessory device, so as to match the card of the device In and out;
  • the outer wall of the supporting equipment is usually provided with a mounting protrusion, and the mounting protrusion is provided with a mounting through hole, and the spiral passes through the mounting through hole and is locked in the connecting screw hole of the limiting protrusion, thereby supporting the device Installed on this level of fully opposed internal combustion engine.
  • the purpose of the limit projection is to facilitate the positioning of the horizontally opposed internal combustion engine and the associated equipment, and to improve the structural stability of the entire horizontally opposed internal combustion engine.
  • the four-cylinder horizontal full-opposing internal combustion engine adopts a bell crank 310 connecting two connecting rods 400 and corresponding to the structure of two piston cylinders, which can effectively reduce the volume of the horizontally opposed internal combustion engine cylinder block and shorten the length of the crankshaft 300.
  • the two piston cylinders symmetrically arranged and symmetrically aligned with the two piston cylinder axes can effectively reduce the processing difficulty and strength of the horizontally opposed internal combustion engine cylinders, and make up for the defects of the prior art.
  • the embodiment provides a horizontal full-opposing internal combustion engine, and its structural structure, working principle and technical effects obtained are basically the same as those of the first embodiment, except that the horizontal full-opposing internal combustion engine in the first embodiment is a four-cylinder.
  • the horizontally opposed internal combustion engine, and the horizontally opposed internal combustion engine in this embodiment is a six-cylinder horizontal full-opposing internal combustion engine, that is, three of its left and right piston cylinders, and correspondingly, three cranks on the crankshaft .
  • the embodiment provides a horizontal full-opposing internal combustion engine, and its structural structure, working principle and technical effects obtained are basically the same as those of the first embodiment, except that the horizontal full-opposing internal combustion engine in the first embodiment is a four-cylinder.
  • the horizontally opposed internal combustion engine, and the horizontally opposed internal combustion engine in this embodiment is an eight-cylinder horizontal full-opposing internal combustion engine, that is, four of its left and right piston cylinders, and correspondingly, four cranks on the crankshaft One.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

L'invention concerne le domaine de l'équipement électrique. L'invention concerne un moteur à combustion interne à cylindres horizontaux opposés, comprenant un corps de cylindre gauche et un corps de cylindre droit. Une pluralité d'unités piston-cylindre gauches sont disposées sur le corps de cylindre gauche. Une pluralité d'unités piston-cylindre droites sont disposées sur le corps de cylindre droit. La pluralité d'unités piston-cylindre gauches et la pluralité d'unités piston-cylindre droites sont disposées symétriquement. Les axes des unités de piston-cylindre gauches et des unités de piston-cylindre droites opposées se chevauchent. Le corps de cylindre gauche et le corps de cylindre droit sont mutuellement reliés pour constituer un carter. Un vilebrequin rotatif est disposé à l'intérieur du carter. Le vilebrequin présente une pluralité de manetons. Chaque maneton est relié à deux bielles incurvées. Chaque bielle incurvée est reliée à un piston. Deux pistons associés au même maneton sont reliés de manière coulissante aux intérieurs de l'unité piston-cylindre gauche et de l'unité piston-cylindre droite, respectivement. Le moteur à combustion interne à cylindres horizontaux opposés de l'invention permet de réduire efficacement les tailles de corps de cylindre de ce dernier, de réduire la longueur d'un vilebrequin, et de réduire la difficulté et la résistance lors du traitement des corps de cylindre, surmontant ainsi un défaut des techniques de l'état de la technique.
PCT/CN2016/107967 2016-03-22 2016-11-30 Moteur à combustion interne à cylindres horizontaux opposés WO2017161910A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610165498.6A CN105649773A (zh) 2016-03-22 2016-03-22 水平全对置内燃机
CN201610165498.6 2016-03-22

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Cited By (1)

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CN108757387A (zh) * 2018-05-29 2018-11-06 黄石东贝电器股份有限公司 曲轴连杆机构及压缩机

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105649773A (zh) * 2016-03-22 2016-06-08 白云龙 水平全对置内燃机

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