KR840006388A - 2-stroke internal combustion engine - Google Patents

Abstract

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Description

2-stroke internal combustion engine

As this is a public information case, the full text was not included.

Claims (56)

In a two-stroke internal combustion engine composed of a cylinder block, a piston, a crankcase, a suction passage, a conversion passage, a fuel supply device, and a fuel separation device, a cylinder is installed in the cylinder block, and a small mechanism and an exhaust port formed on the inner wall of the cylinder reciprocate. The opening and closing is repeated by the piston, and the pressure of the crankcase is increased and decreased by the reciprocating motion of the piston, and the air inlet of the suction passage is connected to the inside of the crankcase, and the inside and the conversion passage of the suction passage and the crankcase are The outside air is supplied to the cylinder along the air passage formed by the air passage, and the fuel supply unit installed in the air passage supplies fuel to the air passage to generate air fuel mixture, and the fuel separator installed in the air passage is air-fuel. The fuel is separated from the mixture to form a high concentration air-fuel mixture and a low concentration air-fuel mixture. Sikimyeo, a higher concentration of air, depending on the geometry of the sogik-2-stroke internal combustion engine, characterized in that the fuel mixture flows into the cylinder along the inner wall of the cylinder located on the other side small mechanism. The two-stroke internal combustion engine according to claim 1, wherein there is only one air inlet. The fuel supply system, the fuel separator, and the fuel separator installed in the intake passage separate the fuel from the air-fuel mixture in the intake passage, so that the high concentration air-fuel mixture and the low concentration air-fuel mixture are separated. And a high-concentration air-fuel mixture and a low-concentration air-fuel mixture are supplied separately to the apparatus according to the conversion passage composed of the first conversion passage and the second conversion passage. 4. The apparatus of claim 3, wherein the apparatus comprises a pair of first apparatuses and a pair of second apparatuses located opposite the exhaust port with respect to the first apparatus, wherein the first converting passage is connected to the first apparatus. The two-stroke internal combustion engine, characterized in that connected to the second sub-element. 5. The two-stroke internal combustion engine according to claim 4, wherein the upper end of the first submachine is located above the upper end of the second submachine. 4. The fuel supply device of claim 3, wherein the fuel supply device is a carburetor having a main nozzle in the intake passage, and the fuel separator is installed in the intake passage below the main nozzle and has a fuel trapper connected to the second conversion passage to capture the fuel trapper. 2-stroke internal combustion engine, characterized in that for supplying the fuel to the second conversion passage. 7. The two-stroke internal combustion engine according to claim 6, wherein there is a check valve between the fuel trapper and the second conversion passage such that only a flow of fuel flows from the fuel trapper to the second conversion passage. 7. The fuel injector of claim 6, comprising a slow port and an idle port open to the carburetor suction passage, and the fuel separator is installed in the suction passage below the slow port and the idle port to constitute an auxiliary fuel trapper connected to the second conversion passage. And the fuel captured by the auxiliary trapper is supplied to the second conversion passage. 7. The two-stroke internal combustion engine according to claim 6, wherein one end of the second conversion passage is connected to a small mechanism, and the other end of the second conversion passage is connected to the bottom of the crankcase. 4. The fuel separator according to claim 3, wherein the fuel separation device is composed of a check valve installed in the suction passage and a separation wall provided in the suction passage below the check valve, and the separation wall extending in the axial direction of the suction passage connects the suction passage to the inside of the crank chamber. A two-stroke internal combustion engine characterized in that it is separated into a lower passage connected to the upper passage connected to the second conversion passage. 11. The two-stroke internal combustion engine according to claim 10, wherein the check valve is a lead valve having an upper end fixed to an upper wall of the suction passage. 4. The two-stroke internal combustion engine according to claim 3, wherein the fuel separation device is composed of a check valve installed in the suction passage and a principle separation type mixer separator installed in the suction passage below the check valve. 13. The mixture separator according to claim 12, wherein the mixture separator is formed at the inner wall of the mixture inlet and the vortex chamber tangentially connected to the cylindrical inner wall of the cavity and the low concentration mixture passage interconnecting the interior of the cylindrical cavity and the crank chamber and the center of the cavity. And a fuel outlet connected to the second conversion passage, and the mixture inlet is connected to the suction passage. 14. The two-row internal combustion engine according to claim 13, wherein the mixture separator is composed of a pipe and a pipe coaxially spaced in the cylindrical cavity, and one end of which is open in the cavity. The two-stroke internal combustion engine according to claim 13, wherein a fuel outlet is formed at the bottom of the vortex chamber. The high concentration air-fuel mixture and low concentration air of claim 1, wherein the fuel supply unit is installed in the suction passage and the fuel separation unit is installed inside the crank chamber to separate the fuel from the air-fuel mixture in the crank chamber. The fuel mixture is produced, and the conversion passage is composed of the first conversion passage and the second conversion passage, and is supplied separately to the high-concentration air-fuel mixture and the low-concentration air-fuel mixture. .. 17. The apparatus of claim 16, wherein the apparatus comprises a pair of first apparatuses and a second apparatus located opposite the exhaust port relative to the first apparatus, and connected to the first conversion path angle first apparatus. Two-stroke internal combustion engine, characterized in that the conversion passage is connected to the second sub-organization. 18. The two-stroke internal combustion engine according to claim 17, wherein an upper end of the first submachine is located above an upper end of the second submachine. 17. The fuel inlet of claim 16, wherein the fuel separator comprises a fuel inlet connected to a second conversion passage and a low concentration mixture inlet opened above the fuel inlet inside the crankcase, the fuel inlet being formed on the inner bottom of the crankcase. Two-stroke internal combustion engine, characterized in that. 17. The fuel separator according to claim 16, wherein the fuel separator is a separation wall provided on the circumferential inner wall of the crank chamber extending around the crankshaft of the engine to capture fuel flowing through the cylindrical inner wall of the crank chamber, and the second conversion passage is a crank chamber. A two-stroke internal combustion engine characterized by being opened near an internal dividing wall and causing fuel captured by the dividing side to intervene in a second conversion passage. 21. The two-stroke internal combustion engine according to claim 20, wherein the dividing wall extends parallel to the crankshaft of the engine. 22. The two-stroke internal combustion engine according to claim 21, further comprising a coupling rod attached to the crankshaft, a connecting rod connecting the crankshaft and the piston to each other, and a partition wall disposed near the upper end of the balancing weight extending to the vicinity of the connecting rod. . 21. The first recess of claim 20, wherein a recess is formed in an inner sidewall of the crank chamber extending perpendicular to the crankshaft, and the partition wall provided in the recess opens the recess in the interior of the crank chamber on both sides of the partition wall. A two-stroke internal combustion engine characterized in that it is separated into a second recess and the second conversion passage is open to the second recess. 24. The two-stroke internal combustion engine according to claim 23, wherein the first conversion passage is opened in the first recess. 24. The two-stroke internal combustion engine according to claim 23, wherein a fuel inlet is formed at a portion away from the second recess in the cylinder-type inner wall of the crank chamber, and the fuel inlet is connected to the second recess portion through the fuel passage. . 2. The fuel supply system of claim 1, wherein the fuel supply unit is installed in the intake passage and the fuel separation unit in the conversion passage to separate the fuel from the air-fuel mixture so that the high concentration air-fuel mixture is separated from the exhaust port by the cylinder. A two-stroke internal combustion engine characterized in that it is supplied to the shielder from a small piece of gas located near the exhaust and furnace air-fuel mixtures of low concentration. 27. The apparatus of claim 26, wherein the accessory comprises an upper end, a lower end, and a first side end near the exhaust port, and a second side end away from the exhaust port, wherein the conversion passage is formed with an outer wall connected to the upper end and an inner wall connected to the lower end and a first side end near the exhaust port. And a second side wall connected to the second side end from the exhaust port and a second side wall connected to the exhaust port, wherein the fuel separation device accumulates the separated fuel on the second side wall of the conversion passage and has a high concentration of air-fuel mixture at the second side wall. And a high-concentration air-fuel mixture is supplied to the cylinder from an air outlet near the second side end. 28. The two-stroke internal combustion engine according to claim 27, wherein the fuel separation device has a protrusion formed at a corner where the first side wall and the second wall intersect and extend below the submachine. 29. The two-stroke internal combustion engine according to claim 28, wherein the cross section of the protruding wall is rectangular over its entire length. 28. The two-stroke internal combustion engine according to claim 27, wherein the width of the protruding wall is about half of the distance between the first side wall and the second side wall, and the width of the bottom of the protruding wall becomes smaller toward the bottom. 28. The two-stroke internal combustion engine according to claim 27, wherein the height of the protruding wall is about half the distance between the inner wall and the outer wall. 28. The fuel separator according to claim 27, wherein the fuel separator is formed on the outer wall to form a rib extending downward of the apparatus, and the lower part of the rib installed at the center of the first side wall and the second side wall gradually approaches the first side wall. 2-stroke internal combustion engine. 33. A two-stroke internal combustion engine according to claim 32, wherein the height of the ribs is about half of the distance between the outer wall and the inner wall. 28. The fuel cell according to claim 27, wherein the conversion passage is disposed between the slewing portion and the inside of the crank chamber and the slewing portion and constitutes a passage extending outward of the second side wall, and separating fuel by the slewing portion and the passage. Two-stroke internal combustion engine, characterized in that the device is formed. 27. The apparatus of claim 26, wherein the apparatus comprises at least two apparatuses, namely the first apparatus and the second apparatus, the second apparatus located opposite the exhaust port relative to the first apparatus, and the conversion passage is inside the crankcase. And a first conversion passage installed between the passage portion connected to the first element and the passage portion, and a second passage portion installed between the second passage mechanism and the passage portion, and the fuel separation device is separated from the second conversion passage. A two-stroke internal combustion engine, characterized in that the fuel is integrated to produce a high concentration air-fuel mixture in the second conversion passage, wherein the high concentration air-fuel mixture is supplied to the cylinder from the second inlet. 36. The method of claim 35, wherein the first conversion passage and the second conversion passage have an open slewing portion, the passage portion extending out of the second conversion passage, and the fuel separator is provided by the slewing portion and the passage portion. Two-stroke internal combustion engine, characterized in that formed. 2. The method of claim 1, wherein a fuel supply device and a fuel separator are installed in the conversion passage to separate the fuel from the air-fuel mixture so that the higher concentration air-fuel is supplied to the cylinder and to the lower concentration air from a vent located away from the exhaust port. The fuel mixture is a two-stroke internal combustion engine characterized in that the fuel mixture is supplied to the cylinder from a small device located near the exhaust port. 38. The two-stroke internal combustion engine according to claim 37, wherein the fuel injector is a fuel supply device. 38. The apparatus of claim 37, wherein the accessory comprises a twenty-first side end positioned near the top and bottom and an exhaust port, wherein the conversion passage is connected to the top wall and the first side wall connected to the first side end near the exhaust port, and a second side away from the exhaust port. It is composed of a second side wall connected to the side end, and the fuel separation device accumulates the separated fuel on the second side wall of the conversion passage to produce a high concentration air-fuel mixture on the second side wall, The two-stroke internal combustion engine, characterized in that the fuel mixture is supplied to the cylinder from an air outlet near the second side end. 40. The conversion passage according to claim 39, wherein the conversion passage comprises a passage portion extending between the slewing portion and the crank chamber and the slewing portion extending outward of the second side wall, wherein the fuel supply device is installed in the passage portion, and the fuel separation device Is a two-stroke internal combustion engine characterized in that it is formed by a sharp turning portion and the passage portion. The apparatus of claim 37, wherein the apparatus comprises at least two apparatuses, namely, the first apparatus and the second apparatus, the second apparatus being located opposite the exhaust port relative to the first apparatus, and the conversion passage being inside the crankcase. And a first conversion passage between the first sub-mechanism and the passage portion and a second passage portion between the second sub-mechanism and the passage portion, wherein the fuel separation device accumulates the separated fuel in the second conversion passage. Thereby forming a high concentration air-fuel mixture in the second conversion passage, and the high concentration air-fuel mixture is supplied to the cylinder from the second apparatus. 42. The fuel cell of claim 41, wherein the passage portion has a sharp turn with the first and second conversion passages open, the passage portion extending out of the second conversion passage, and the fuel supply device being installed in the passage portion, The two-stroke internal combustion engine, characterized in that the supply device is formed by a sharp turning portion and a passage portion. 38. The apparatus of claim 37, wherein the apparatus comprises at least two apparatuses, namely, the first apparatus and the second apparatus, the second apparatus being located opposite the exhaust port relative to the first apparatus. A two-stroke internal combustion engine comprising: a second conversion passage interconnecting the interior of a second mechanism and a crankcase; and a fuel supply device is installed in the second conversion passage. 45. The two-stroke internal combustion engine according to claim 43, wherein the fuel check arrestor is provided in the conversion passage, and the fuel supply device is installed between the fuel check protector and the second element mechanism. 45. The fuel reverse check device of claim 44, wherein the fuel reverse checker is connected to the second apparatus via the silidic vortex chamber and the second conversion passage, the outlet passage open at the center of the vortex chamber and one end connected to the inside of the crank chamber, and the other end of the fuel reverse checker. A two-stroke internal combustion engine comprising an inlet connected tangentially to a cylindrical inner wall of a vortex chamber. 46. The two-stroke internal combustion engine according to claim 45, wherein the fuel reverse arrester is a hollow pipe coaxial with the cylindrical cavity, and one end of the inlet formed in the hollow pipe is opened in the cavity. 44. The apparatus of claim 43, wherein the accessory further comprises a third component located opposite the exhaust port relative to the second component, wherein the conversion passage further comprises: a third conversion pathway that is split from the second side passage and connected to the third accessory. A two-stroke internal combustion engine, comprising: a fuel supply device installed at a split portion of the third sub-mechanism. 48. The method of claim 47, wherein the mixture separator provided in the split portion of the second conversion passage is connected to the second sub-mechanism via the cylindrical cavity chamber and the second conversion passage and is open to the center of the cavity and the third conversion passage. It is connected to the 3rd apparatus by means of the outlet, one end is connected to the inside of the crank chamber and the other end is connected to the cylindrical inner wall of the cavity, and the fuel is supplied to the cavity. Two-stroke internal combustion engine, characterized in that installed in the device. 49. The two-stroke internal combustion engine according to claim 48, wherein the outlet is open at the bottom of the cavity. 49. A two-stroke internal combustion engine according to claim 48, wherein the mixture separator is a hollow pipe coaxially installed in the cylindrical cavity, wherein the end of the outlet passage formed in the pipe is open in the cavity. 49. The two-stroke internal combustion engine according to claim 48, wherein a mixture separator is attached to the cylinder block. The apparatus of claim 1, wherein the accessory comprises an upper end, a lower end, and a first side end located near the exhaust port, and a second side end located far from the exhaust port, and the conversion passage is located near the inner wall connected to the upper end and the inner wall connected to the lower end and the exhaust port. And a second side wall connected to the first side end and a second side wall connected to the second side end and located far from the exhaust port, wherein the fuel separator is a curved end formed at a corner where the first side end and the upper end cross each other. 2-stroke internal combustion engine. 53. The two-stroke internal combustion engine according to claim 52, wherein the bent end extends over about half of the upper end and the first side end. 53. The two-stroke internal combustion engine according to claim 52, wherein the first side wall of the conversion passage is located near the first side end and has a curved wall portion extending from the exhaust port. 55. The two-stroke internal combustion engine according to claim 54, wherein the second side wall of the conversion passage includes a curved wall portion located near the second side end and extending from the exhaust port. 53. The two-stroke internal combustion engine according to claim 52, wherein the submachine comprises a plurality of submachines each having a bend end. ※ Note: The disclosure is based on the initial application.