CN111734494A - Sliding vane type pneumatic motor and gas compressor and internal combustion engine derived from same - Google Patents
Sliding vane type pneumatic motor and gas compressor and internal combustion engine derived from same Download PDFInfo
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- CN111734494A CN111734494A CN201910225243.8A CN201910225243A CN111734494A CN 111734494 A CN111734494 A CN 111734494A CN 201910225243 A CN201910225243 A CN 201910225243A CN 111734494 A CN111734494 A CN 111734494A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F01C1/34—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members
- F01C1/344—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/08—Rotary pistons
- F01C21/0809—Construction of vanes or vane holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
- F01C21/104—Stators; Members defining the outer boundaries of the working chamber
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- 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
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
- F02B53/04—Charge admission or combustion-gas discharge
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- 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
- F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
- F02B55/02—Pistons
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- 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
- F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
- F02B55/14—Shapes or constructions of combustion chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/10—Stators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Rotary Pumps (AREA)
Abstract
The invention relates to a sliding vane type pneumatic motor and a gas compressor and an internal combustion engine derived from the sliding vane type pneumatic motor. The sliding vane type pneumatic motor consists of a rotor, a rotor end cover, a spring piece, a stator with 1 or more than 1 air chamber, a stator end cover, a sliding vane and a sliding vane airtight strip. The rotor set of the sliding vane type pneumatic motor rotates reversely to become a sliding vane type gas compressor. The sliding vane type pneumatic motor and the sliding vane type gas compressor are connected through a central shaft to form an engine body of the engine, and a combustion supercharger is additionally arranged outside the engine body to form the sliding vane type internal combustion engine.
Description
Technical Field
The invention relates to a mechanical engine, in particular to a sliding vane type pneumatic motor, a sliding vane type gas compressor and a sliding vane type internal combustion engine.
Background
Mechanical engines are known today mainly as piston engines, turbine engines and sliding vane air motors. Piston engines are divided into piston internal combustion engines, piston steam engines and piston compressed gas motors. Because the piston does reciprocating motion in the cylinder, the piston engine has the defects of large vibration and low rotating speed. Turbine engines are classified into gas turbines and steam turbines, and the turbine engines are severe in manufacturing processes and materials because a high-pressure and high-speed gas flow is required to impact blades to generate power, and many high-temperature and high-pressure gases are directly discharged to the outside of the engines, resulting in serious waste of fuel energy. The sliding vane type pneumatic motor known at present mainly comprises a single-acting sliding vane pneumatic motor and a double-acting sliding vane pneumatic motor. The stator of the single-acting sliding vane pneumatic motor is cylindrical, the rotor is cylindrical, a sliding vane groove is formed in the rotor, a sliding vane is arranged in the sliding vane groove, the rotor is eccentrically arranged in the stator, the stator end covers are blocked at two ends of the stator, the rotor, the stator and the stator end covers jointly form a crescent air chamber, the inner surface of the stator of the double-acting sliding vane pneumatic motor is elliptical or parabolic, and two air chambers which are centrosymmetric can be formed. When the rotors of the two sliding vane pneumatic motors rotate, a section of stroke with the volume of a sealing space gradually reduced exists, and the stroke of gas compression of the section of stroke is counter-effect work, so that the efficiency of the engine is reduced. Two faces of the stator end cover and the rotor end face of the two sliding-vane pneumatic motors are in mutual contact, and therefore the friction force is too large.
Disclosure of Invention
The invention aims to solve the problems in the prior art of engines, and provides a sliding vane type pneumatic motor, wherein the arc of a crescent air chamber formed on the inner surface of a stator of the motor is a right circular arc, the formed crescent is large, and the processing is convenient. An airtight strip is mounted on the sliding sheet, so that airtightness between the sliding sheet and each contact part is improved, and a contact area is reduced. Rotor end covers are additionally arranged at two ends of the rotor, and only a small part of contact surface is arranged between the rotor end covers and the stator end covers, so that the friction area is reduced, and the air tightness is improved. And grooves are formed in the cambered surface of the half side of the tile-shaped inner wall of each air chamber of the stator, so that the gas compression stroke of the counter-acting work disappears. The counter-rotation of the rotor of the vane air motor becomes a vane air compressor. The sliding-vane type pneumatic motor can be driven by compressed air and steam, the sliding-vane type pneumatic motor is connected with a central shaft of the sliding-vane type gas compressor to form an engine body of the engine, a combustion supercharger is additionally arranged outside the engine body to form a sliding-vane type internal combustion engine, a combustion chamber of the sliding-vane type internal combustion engine is arranged outside the engine body, so that the engine body does not need to be cooled, the heat energy loss is reduced, the fuel can be continuously combusted, the vibration of an intermittent detonation mode does not exist, and various gas fuels, liquid fuels and gas-liquid mixed fuels can be used.
The technical scheme is as follows:
the pneumatic motor consists of a rotor (1), a rotor end cover (2), a spring piece (3), a stator (4) with 1 or more than 1 air chamber, a stator end cover (5), a sliding piece (6) and a sliding piece airtight strip (7).
The main body of the rotor (1) is a cylinder (8), the axis of the cylinder (8) is provided with a middle shaft (9), the cylinder (8) is provided with an axial rotor groove (10), the number of the rotor groove (10) is 3 times and an integer more than 3 times of the number of the stator air chambers, the rotor groove (10) is radial and evenly arranged on the cylinder (8), the length of the rotor groove (10) is equal to that of the cylinder (8), the cross section of the rotor groove (10) is rectangular, and the rotor inter-groove angles (11) of two adjacent rotor grooves (10) are equal.
The two rotor end covers (2) are in a mirror image, are plugged at two ends of the rotor (1) and are formed by connecting a circular table (12) with a cylinder (13) at the lower bottom surface, the diameter of the lower bottom surface of the circular table (12) is the same as that of the cylinder (13), and the diameter of the cylinder (13) is the same as that of the cylinder (8); the end face (14) of the cylinder (13) is provided with grooves (15) which are arranged in a radial mode, the cross section of each groove (15) is in a splicing shape of a right trapezoid (16) and another right trapezoid (17), the lower bottom edges of the right trapezoid (16) and the right trapezoid (17) are in the same line segment, the right trapezoid (16) and the straight waist (18) of the right trapezoid (17) are on the same straight line, the sum of the heights of the right trapezoid (16) and the right trapezoid (17) is equal to the width of the rotor groove (10), the acute angle point (19) of the right trapezoid (16) and the right trapezoid (17) is arranged on the lower bottom face of the circular truncated cone (12), the length of each groove (15) is equal to the depth of the rotor groove (10), and the positions of the grooves (15) and the rotor grooves (10) are in one-to-one; the end surface (14) of the cylinder (13) is provided with spring plate grooves (20), the spring plate grooves (20) correspond to the positions of the grooves (15) on the end surface (14) of the cylinder (13) one by one, the spring plate grooves (20) are L-shaped, and the deep part of the spring plate groove (20) is close to one side of the axis of the cylinder (13); a circular through hole (21) is formed in the center of the end face of the rotor end cover (2), and a rotor middle shaft (9) penetrates through the through hole (21).
The spring piece (3) is composed of three sections of flat plates, one end of a middle section flat plate (22) is connected with one end of an end section flat plate (23), and the end section flat plate (23) and the middle section flat plate (22) form an angle of 90 degrees and extend to one side of the middle section flat plate (22); the other end of the middle section flat plate (22) is connected with one end of the first section flat plate (24), the first section flat plate (24) and the middle section flat plate (22) form an obtuse angle, and the first section flat plate and the middle section flat plate extend to the other side of the middle section flat plate (22); the solid shape formed by the middle section flat plate (22) and the tail end flat plate (23) is matched with the spring plate groove (20) on the rotor end cover (2) and is arranged in the spring plate groove (20), and the first section flat plate (24) is in a suspended state.
The cross section of the inner surface of the stator (4) is a closed curve (25), and the shape of the closed curve (25) is as follows: the two end points of the first and 1-segment circular arc (26) are on a central circle (27), and the two end points are connected by the 1-segment circular arc (28) on the central circle (27) to form a closed curve (25), wherein the span of the two end points of the circular arc (28) is not less than 1 rotor slot angle (11); the same circular arcs (26) with the shape of two, 2 or more than 2 sections are equally distributed outside a central circle (27) at equal angles, two end points of the circular arcs (26) are arranged on the central circle (27), and the circular arcs (28) with the 2 or more than 2 sections on the central circle (27) are connected to form a closed curve (25), wherein the span of the two end points of the circular arcs (28) is not less than 1 rotor inter-slot angle (11); a third shape, a section of circular arc (29) is tangent with a section of small circular arc (30) in the arc, the tangent points are respective middle points, and half of the respective circular arc is connected at the tangent point to form a smooth curve (31), two end points of the smooth curve (31) are arranged on the central circle (26) and are connected by 1 section of circular arc (28) on the central circle (27) to form a closed curve (25), wherein, the span of the two end points of the circular arc (28) is not less than 1 rotor inter-slot angle (11), the fourth shape, the section of circular arc (29) is tangent with the section of small circular arc (30) in the arc, the tangent point is the respective middle point, and the half of the respective circular arc is connected at the tangent point to form a smooth curve (31), the two or more than two smooth curves (31) are equally distributed on the central circle (27) at equal angles, and are connected by the two or more than two sections of circular arcs (28) on the central circle (27) to form the closed curve (25, wherein, the span of two end points of the circular arc (28) is not less than 1 rotor slot angle (11); the stator inner surface formed by axial stretching of the closed curve (25) is formed, the stator inner surface is outwards increased by a thickness to form a stator body (32), flanges (33) are arranged at two ends of the stator body (32), a plurality of grooves (36) are formed in a half-side arc surface (35) of a tile-shaped arc surface (34) formed by extending an arc (26) or a smooth curve (31), a plurality of ribs (37) are reserved to serve as tracks of the slide pieces, a motor air outlet (38) is formed in each groove (36), and the motor air outlet (38) penetrates through the wall of the stator body (32). Because the groove (36) is formed, the air tightness of the half-side air chamber where the half-side cambered surface (35) is positioned is broken, the sliding sheet does not have air compression reverse effect to work any more after passing through the section of stroke, and the friction force at the half-side cambered surface (35) is reduced at the same time; the starting end (40) of the cambered surface (39) on the other half side of the tile-shaped cambered surface (34) is provided with a motor air inlet (41), and the motor air inlet (41) penetrates through the wall of the stator body (32) and is used for air inlet.
Stator end cover (5) total two, each other is the mirror image, and the shutoff is at stator (4) both ends, and the shape of stator end cover (5) is: a surface area surrounded by the closed curve (25) is stretched to form a body (42), one end of the body (42) is provided with a flange (43), the flange (43) and the stator end flange (33) are in the same shape, the end face of the body (42) is provided with a circular through hole (44), one end of the circular through hole (44) provided with the flange (43) is provided with a sealing cover (45), and the center of the sealing cover (45) is provided with a through hole (46) for passing through a rotor middle shaft (9); one end of the circular through hole (44) without the sealing cover (45) is provided with a chamfer (47), and an inclined plane formed by the chamfer (47) is matched with the body surface of the circular truncated cone (12) on the rotor end cover (2); two dents (49) are arranged on the end surface (48) of one side of the body (42) without the flange (43), the positions of the dents (49) correspond to the half-side cambered surface (35) of the tile-shaped cambered surface (34) on the stator (5), and ribs (50) are reserved at the dents (49). The chamfer (47) forms an inclined surface which is the only contact surface of the stator end cover (5) and the rotor end cover (2), and the small contact surface is beneficial to reducing friction. When the sliding sheet (6) and the sliding sheet airtight strip (7) slide through the recess (49), the sliding sheet and the stator end cover are not contacted, so that no friction is generated, and the rib (50) is a guide rail of the sliding sheet (6) and the sliding sheet airtight strip (7).
The sliding sheet (6) is a rectangular sheet-shaped body with two lower corners chamfered into round corners (51), the thickness of the rectangular sheet-shaped body is slightly smaller than the width of the rotor slot (11), the middle part of the rear surface (52) of the sliding sheet is inwards sunken relative to the lower part and two sides of the rear surface (52) of the sliding sheet, the contact area between the sliding sheet and the inner wall of the rotor slot is effectively reduced, and the rectangular sheet-shaped body is not only beneficial to sealing, but also beneficial to smooth sliding of the sliding sheet (6) in the rotor; the upper end (53) of the sliding piece is a double-side inclined plane (54), a groove (57) is formed from the bottom edge (55) of the sliding piece to the side edges (56) of the sliding piece, the section of the groove (57) is rectangular (58), one edge of the rectangle (58) and the intersection line (59) of the double-side inclined plane (54) are on the same plane, the groove (57) is positioned on one side close to the rear surface (52) of the sliding piece, two end parts close to the groove (57) are respectively provided with a sunken bayonet (60), the section of the bayonet (60) is a right trapezoid (61), the straight waist (62) of the right trapezoid (61) is perpendicular to the bottom surface (63) of the groove (57), and the lower bottom edge (64) of the right trapezoid (61) is on the bottom surface (63) of.
The air-tight strip (7) of the sliding sheet is a U-shaped strip, and the section shape of the air-tight strip is as follows: the lower bottom edge of one right trapezoid (65) and the lower bottom edge of the other right trapezoid (66) are the same line segment, the right trapezoid (65) and the straight waist of the right trapezoid (66) are on the same straight line, the sum of the heights of the right trapezoid (65) and the right trapezoid (66) is equal to the thickness of the sliding sheet (6), the straight waist (67) of the right trapezoid (66) is connected with a rectangle (68), one edge (69) of the rectangle (68) is arranged on the straight waist (67) of the right trapezoid (66), the length of the edge (69) is equal to the width of the groove (57) in the sliding sheet (7), the other edge (70) of the rectangle (68) and the lower bottom edge of the right trapezoid (66) are on the same straight line, the length of the edge (70) is equal to the depth of the groove (57) in the sliding sheet (7), and the rectangle (68) is positioned on the inner side of the U-shaped air-tight sliding sheet; the slip sheet airtight strip (7) is sleeved on the slip sheet bottom edge (55) and two slip sheet side edges (56) of the slip sheet (6) in a hooping way, a sliding vane group (71) is formed with the sliding vane (6), the inner sides of the two end parts of the sliding vane airtight strip (7) are respectively provided with a bulge (72), the shape of the air-tight strip (7) is matched with the shape of the bayonet (60) on the sliding piece and is embedded in the bayonet (60), so that the air-tight strip (7) of the sliding piece is hooped on the sliding piece (6) and cannot move up and down, two ends of the air-tight strip (7) of the sliding piece form double-side inclined planes (73), the inclined directions and angles of the double-side inclined planes (73) are the same as those of the double-side inclined planes (54) at the upper end (53) of the sliding piece, the intersection line (74) of the double-side inclined planes (73) and the intersection line (59) of the double-side inclined planes (54) are on the same straight line, and the intersection line (74) of the double-side.
The spring pieces (3) are arranged in spring piece grooves (20) of the rotor end cover (2), the rotor end cover (2) is plugged at two ends of the rotor (1), the rotor grooves (10) are aligned with the grooves (15) to form a slide piece groove (75), and the slide piece airtight strip (7) is hooped on the slide piece bottom edge (55) and two slide piece side edges (56) of the slide piece (6) and forms a slide piece group (71) with the slide piece (6); the sliding sheet group (71) is arranged in the sliding sheet groove (75), supported by the spring (3) and pushed to the inner wall of the stator air chamber, and the components are assembled together to form a rotor group (76); the rotor set (76) is arranged in a cavity of the stator (4), and then the stator end covers (5) are plugged at two ends of the stator (4), so that the sliding vane type pneumatic motor (77) is formed. Compressed air or steam is supplied to a motor inlet port (42) of the sliding vane type air motor (77) to rotate the sliding vane type air motor (77).
A rotor set (76) of the sliding vane type pneumatic motor (77) rotates in the reverse direction to form a sliding vane type gas compressor (78), a motor air inlet (42) forms a compressor air outlet (79) of the sliding vane type gas compressor (78), and a motor air outlet (39) forms a compressor air inlet (80) of the sliding vane type gas compressor (78).
The middle shaft of the sliding vane type pneumatic motor (77) is connected with the middle shaft of the sliding vane type gas compressor (78) to form an engine body, and then a combustion supercharger (81) is installed to form the sliding vane type internal combustion engine. The combustion supercharger (81) is of a double-layer cavity structure, an inner-layer cavity is a combustion chamber (82), the combustion chamber (82) is a cavity of which the outer wall is provided with radiating fins (83), the combustion chamber (82) is provided with three ports, one port is a fuel nozzle (84), one port is a combustion chamber air inlet (85), the other port is a combustion chamber air outlet (86), and a spark plug (87) is arranged in the combustion chamber (82) and used for igniting a mixture of fuel and air in the combustion chamber; the outer cavity (88) of the combustion supercharger is a cavity wrapped outside the combustion chamber (82) and used for absorbing heat dissipated by the combustion chamber (82), and an outer cavity air inlet (89) and an outer cavity air outlet (90) are arranged on the outer cavity (88) of the combustion supercharger. The air outlet hole (79) of the compressor is connected with the outer cavity air inlet (89), the outer cavity air outlet (90) is connected with the combustion chamber air inlet (85), and the combustion chamber air outlet (86) is connected with the motor air inlet (42). Gas or liquid fuel is injected into a combustion chamber (82) through a fuel nozzle (84), a spark plug (87) ignites the mixture of the air and the fuel, so that the air in the combustion chamber (82) expands and is pressurized, the pressurized air enters a sliding vane type pneumatic motor (77) to push a rotor set (76) of the sliding vane type pneumatic motor (77) to rotate, the waste gas after work is exhausted from a motor air outlet (39), the sliding vane type pneumatic motor (77) drives a sliding vane type gas compressor (78) to work to press the compressed air into a combustion supercharger outer cavity (88), the compressed air in the combustion supercharger outer cavity (88) absorbs heat and is pressurized, then the compressed air enters the combustion chamber (82) to be mixed with the combustion sprayed by the fuel nozzle (84), expands and pressurizes, and finally enters the sliding vane type pneumatic motor (77) to push the rotor set (76) of the sliding vane type pneumatic motor (77) to rotate, and the process is circulated. Check valves (91) are arranged on the combustion chamber air outlet (86) and the outer chamber air inlet (89), each check valve (91) is composed of a plug (92) and a spiral spring (93), each spiral spring (93) compresses the plug (92) for blocking the combustion chamber air outlet (86), compressed air in the combustion chamber air outlet (86) cannot flow out freely, each spiral spring (93) compresses the plug (92) for blocking the outer chamber air inlet (89), and compressed air can only flow into the outer chamber (88) of the combustion supercharger in a one-way mode.
Has the advantages that:
the air chamber is formed by a right circular arc, and the problem of high processing difficulty of a curved air chamber is solved. The structure of slotting on the cambered surface of one side of the air chamber wall avoids the work of counter-effect and reduces the ineffective friction at the position. The structure of the slip sheet airtight strip is arranged on the slip sheet, so that the air tightness between the whole slip sheet group and the slip sheet groove stator and stator end cover is improved. The use of the rotor end cover reduces the contact area between the rotor set and the stator end cover, thereby reducing friction and improving air tightness. The rotor set of the sliding vane type pneumatic motor rotates reversely to become a sliding vane type gas compressor, and the sliding vane type gas compressor has the advantage that the functions of the motor and the compressor are convenient to convert. The derived internal combustion engine has the advantages of being capable of using various fuels such as gas and liquid, having the advantages of sustainable combustion and high rotating speed, and the temperature of the engine body is low without cooling because the combustion chamber can be independent of the outside of the engine body.
Drawings
FIG. 1 is a front view of a sliding vane pneumatic motor
FIG. 2 is a cross-sectional view of a sliding-vane type pneumatic motor A-A
FIG. 3 side view of a sliding vane air motor
FIG. 4 is a cross-sectional view of a sliding vane air motor B-B
FIG. 5 is a perspective view of the rotor
FIG. 6 rotor front view
FIG. 7 rotor side view
FIG. 8 rotor end cover perspective view
FIG. 9 rotor end cover side view
FIG. 10 rotor end cover elevation view
FIG. 11 rotor end cover C-C' section view
FIG. 12 is a perspective view of a spring plate
FIG. 13 side view of a spring plate
FIG. 14 is a perspective view of the rotor cover and spring plate assembly
FIG. 15 Combined side view of rotor end cover and spring plate
FIG. 16 is a perspective view of the rotor, rotor cover and spring plate combination
FIG. 17 is a schematic representation of the inner surface shape and geometry of the stator plenum
FIG. 18 is a schematic representation of the inner surface shape and geometry of the stator plenum
FIG. 19 is a schematic representation of the inner surface shape and geometry of the stator plenum
FIG. 20 is a schematic representation of the inner surface shape and geometry of the stator plenum
Fig. 21 a perspective view of a stator
FIG. 22 side view of the stator
FIG. 23 stator D-D' section view
FIG. 24 stator E-E' section view
FIG. 25 stator end cap perspective view
FIG. 26 stator end cover side view
FIG. 27 stator end cover elevation view
FIG. 28 stator end cover F-F' section view
FIG. 29 is a perspective view of a stator and a stator cover assembly
FIG. 30 is an exploded perspective view of the stator and stator end cap
FIG. 31 is a perspective view of a slider
FIG. 32 slider top view
FIG. 33 bottom view of the slider
FIG. 34 slider rear view
FIG. 35 sectional view of a slider J-J
FIG. 36 slider side view
FIG. 37 is a partial cross-sectional view of a portion of a slip sheet at a bayonet
FIG. 38 is a perspective view of a slider air-tight strip
FIG. 39 rear view of the slider air-tight strip
FIG. 40 is a schematic view of the cross-sectional geometry of the air-tight strips of the slider
FIG. 41 sectional view of the hermetic strip K-K' of the slider
FIG. 42 sets of slides in perspective
FIG. 43A top view of a slide stack
FIG. 44 set of slides rear view
FIG. 45 sectional view of a slide plate set L-L
FIG. 46 is a perspective view of a rotor set
FIG. 47 rotor set side view
FIG. 48A section view of a rotor set M-M
FIG. 49 schematic diagram of a sliding vane internal combustion engine
FIG. 50 Combustion booster section view
In the drawings, (1) a rotor, (2) a rotor end cover, (3) a spring piece, (4) a stator, (5) a stator end cover, (6) a slide piece, (7) a slide piece airtight strip, (8) a cylinder, (9) a central axis, (10) a rotor groove, (11) a rotor inter-groove angle, (12) a circular truncated cone, (13) a cylinder, (14) an end face, (15) a groove, (16) a right trapezoid, (17) a right trapezoid, (18) a straight waist, (19) an acute corner point, (20) a spring piece groove, (21) a through hole, (22) a middle section flat sheet, (23) a tail section flat sheet, (24) a head section flat sheet, (25) a closed curve, (26) a circular arc, (27) a central circle, (28) a circular arc, (29) a circular arc, (30) a small circular arc, (31) a smooth curve, (32) a stator body, (33) a flange, (34) a tile-shaped cambered surface, (35) a half-, (37) Rib, (38) motor air outlet, (49) half side arc, (40) starting end, (41) motor air inlet, (42) body, (43) flange, (44) round through hole, (45) sealing, (46) through hole, (47) chamfer, (48) end face, (49) dent, (50) rib, (51) fillet, (52) sliding sheet back, (53) sliding sheet upper part, (54) double-side inclined plane, (55) sliding sheet bottom edge, (56) sliding sheet side edge, (57) groove, (58) rectangle, (59) intersecting line, (60) bayonet, (61) right trapezoid, (62) straight waist, (63) bottom surface, (64) lower bottom edge, (65) right trapezoid, (66) right trapezoid, (67) straight waist, (68) rectangle, (69) edge, (70) edge, (71) sliding sheet group, (72) bulge, (73) double-side inclined plane, (74) intersecting line, (74) right trapezoid, (75) The air compressor comprises a sliding vane groove, (76) a rotor set, (77) a sliding vane type pneumatic motor, (78) a sliding vane type air compressor, (79) a compressor air outlet, (80) a compressor air inlet, (81) a combustion supercharger, (82) a combustion chamber, (83) cooling fins, (84) a fuel nozzle, (85) a combustion chamber air inlet, (86) a combustion chamber air outlet, (87) a spark plug, (88) a combustion supercharger outer cavity, (89) an outer cavity air inlet, (90) an outer cavity air outlet, (91) a one-way valve, (92) a plug and a spiral spring (93).
The specific implementation mode is as follows:
1 all the components constituting the sliding vane engine are made by casting, wire cutting and machining. The spring pieces (3) are arranged in spring piece grooves (20) of the rotor end cover (2), the rotor end cover (2) is plugged at two ends of the rotor (1), the lower part and two sides of each sliding piece (6) are sleeved with a sliding piece airtight strip (7) in a hooping mode to form a sliding piece group (71), the sliding piece group (71) is arranged in a sliding piece groove (75), and the components are assembled together to form a rotor group (76); the rotor set (76) is arranged in a cavity of the stator (4), and the stator end covers (5) are plugged at two ends of the stator (4) to form the sliding vane type pneumatic motor.
2 the rotor set (76) of the sliding vane type pneumatic motor (77) rotates in the opposite direction, and the sliding vane type gas compressor (78) is formed.
The central shaft of the 3 sliding vane type pneumatic motor (77) is connected with the central shaft of the sliding vane type gas compressor (78), and then a pressure combustion supercharger (81) is installed to form the sliding vane type internal combustion engine. The air outlet (86) of the combustion chamber and the air inlet (89) of the outer cavity are both provided with one-way valves (91), the one-way valves (91) are arranged at the air outlet (86) of the combustion chamber, so that the compressed air at the air outlet (86) of the combustion chamber can not flow out freely, and the one-way valves (91) are arranged at the air inlet (89) of the outer cavity, so that the compressed air can only flow in one way to the outer cavity (88) of the combustion supercharger; the air outlet (79) of the compressor is connected with the air inlet (89) of the outer cavity through a pipeline, the air outlet (90) of the outer cavity is connected with the air inlet (85) of the combustion chamber through a pipeline, the air outlet (86) of the combustion chamber is connected with the air inlet (42) of the motor through a pipeline, the fuel nozzle (84) is connected with a fuel pipeline, and the spark plug (87) is connected with a circuit, so that a working circulation path of the sliding vane type internal combustion engine.
Claims (13)
1. A pneumatic motor is composed of a rotor (1), a rotor end cover (2), a spring piece (3), a stator (4) with 1 or more than 1 air chamber, a stator end cover (5), a sliding piece (6) and a sliding piece airtight strip (7).
2. According to claim 1, the rotor (1) is a cylinder (8), the axis of the cylinder (8) has a central axis (9), the cylinder (8) is provided with axial rotor slots (10), the number of the rotor slots (10) is 3 times and an integer more than 3 times the number of the stator air chambers, the rotor slots (10) are radial and evenly distributed on the cylinder (8), the length of the rotor slots (10) is equal to that of the cylinder (8), the cross-sectional shape of the rotor slots (10) is rectangular, and the rotor slot angles (11) of two adjacent rotor slots (10) are equal.
3. The rotor end cover (2) comprises two rotor end covers (1, 2) which are mirror images of each other, are blocked at two ends of the rotor (1) and are formed by connecting a cylinder (13) with the lower bottom surface of a circular truncated cone (12); the diameter of the lower bottom surface of the circular truncated cone (12) is the same as that of the cylinder (13), and the diameter of the cylinder (13) is the same as that of the cylinder (8); the end face (14) of the cylinder (13) is provided with grooves (15) which are arranged in a radial mode, the cross section of each groove (15) is in a splicing shape of a right trapezoid (16) and another right trapezoid (17), the lower bottom edges of the right trapezoid (16) and the right trapezoid (17) are in the same line segment, the right trapezoid (16) and the straight waist (18) of the right trapezoid (17) are on the same straight line, the sum of the heights of the right trapezoid (16) and the right trapezoid (17) is equal to the width of the rotor groove (10), the acute angle point (19) of the right trapezoid (16) and the right trapezoid (17) is arranged on the lower bottom face of the circular truncated cone (12), the length of each groove (15) is equal to the depth of the rotor groove (10), and the positions of the grooves (15) and the rotor grooves (10) are in one-to-one; the end surface (14) of the cylinder (13) is provided with spring plate grooves (20), the spring plate grooves (20) correspond to the positions of the grooves (15) on the end surface (14) of the cylinder (13) one by one, the spring plate grooves (20) are L-shaped, and the deep part of the spring plate groove (20) is close to one side of the axis of the cylinder (13); a circular through hole (21) is formed in the center of the end face of the rotor end cover (2), and a rotor middle shaft (9) penetrates through the through hole (21).
4. The spring plate (3) as claimed in claim 1 is formed by three plates, one end of the middle plate (22) is connected with one end of the end plate (23), the end plate (23) forms an angle of 90 degrees with the middle plate (22) and extends to one side of the middle plate (22); the other end of the middle section flat plate (22) is connected with one end of the first section flat plate (24), the first section flat plate (24) and the middle section flat plate (22) form an obtuse angle, and the first section flat plate and the middle section flat plate extend to the other side of the middle section flat plate (22); the solid shape formed by the middle section flat plate (22) and the tail end flat plate (23) is matched with the spring plate groove (20) on the rotor end cover (2) and is arranged in the spring plate groove (20), and the first section flat plate (24) is in a suspended state.
5. The stator (4) according to claim 1, wherein the cross section of the inner surface of the stator (4) is a closed curve (25), and the shape of the closed curve (25) is: the two end points of the first and 1-segment circular arc (26) are on a central circle (27), and the two end points are connected by the 1-segment circular arc (28) on the central circle (27) to form a closed curve (25), wherein the span of the two end points of the circular arc (28) is not less than 1 rotor slot angle (11); the same circular arcs (26) with the shape of two, 2 or more than 2 sections are equally distributed outside a central circle (27) at equal angles, two end points of the circular arcs (26) are arranged on the central circle (27), and the circular arcs (28) with the 2 or more than 2 sections on the central circle (27) are connected to form a closed curve (25), wherein the span of the two end points of the circular arcs (28) is not less than 1 rotor inter-slot angle (11); a third shape, a section of circular arc (29) is tangent with a section of small circular arc (30) in the arc, the tangent points are respective middle points, and half of the respective circular arc is connected at the tangent point to form a smooth curve (31), two end points of the smooth curve (31) are arranged on the central circle (26) and are connected by 1 section of circular arc (28) on the central circle (27) to form a closed curve (25), wherein, the span of the two end points of the circular arc (28) is not less than 1 rotor inter-slot angle (11), the fourth shape, the section of circular arc (29) is tangent with the section of small circular arc (30) in the arc, the tangent point is the respective middle point, and the half of the respective circular arc is connected at the tangent point to form a smooth curve (31), the two or more than two smooth curves (31) are equally distributed on the central circle (27) at equal angles, and are connected by the two or more than two sections of circular arcs (28) on the central circle (27) to form the closed curve (25, wherein, the span of two end points of the circular arc (28) is not less than 1 rotor slot angle (11); the stator inner surface is formed by axially stretching a closed curve (25), a stator body (32) is formed by increasing the thickness of the stator inner surface outwards, flanges (33) are arranged at two ends of the stator body (32), a plurality of grooves (36) are formed on a half-side arc surface (35) of a tile-shaped arc surface (34) formed by extending an arc (26) or a smooth curve (31), a plurality of ribs (37) are left to serve as tracks of a slide sheet, a motor air outlet (38) is formed in each groove (36), and the motor air outlet (38) penetrates through the wall of the stator body (32); the starting end (40) of the cambered surface (39) on the other half side of the tile-shaped cambered surface (34) is provided with a motor air inlet (41), and the motor air inlet (41) penetrates through the wall of the stator body (32) and is used for air inlet.
6. The claim 1.5. said stator end cap (5) has two, each other is a mirror image, the two ends of the stator (4) are sealed, the shape of the stator end cap (5) is: a surface area surrounded by the closed curve (25) is stretched to form a body (42), one end of the body (42) is provided with a flange (43), the flange (43) and the stator end flange (33) are in the same shape, the end face of the body (42) is provided with a circular through hole (44), one end of the circular through hole (44) provided with the flange (43) is provided with a sealing cover (45), and the center of the sealing cover (45) is provided with a through hole (46) for passing through a rotor middle shaft (9); one end of the circular through hole (44) without the sealing cover (45) is provided with a chamfer (47), and an inclined plane formed by the chamfer (47) is matched with the body surface of the circular truncated cone (12) on the rotor end cover (2); two dents (49) are arranged on the end surface (48) of one side of the body (42) without the flange (43), the positions of the dents (49) correspond to the half-side cambered surface (35) of the tile-shaped cambered surface (34) on the stator (5), and ribs (50) are reserved at the dents (49).
7. The rotor of claim 1.2, wherein the sliding vane (6) is a rectangular sheet body with two lower corners rounded (51), the thickness of the rectangular sheet body is slightly smaller than the width of the rotor slot (11), the middle part of the rear face (52) of the sliding vane is inwards sunken relative to the lower part and two sides of the rear face (52) of the sliding vane, the contact area of the sliding vane and the inner wall of the rotor slot is effectively reduced, and the sliding vane (6) is beneficial to sealing and smooth sliding in the rotor slot; the upper end (53) of the sliding piece is a double-side inclined plane (54), a groove (57) is formed from the bottom edge (55) of the sliding piece to the side edges (56) of the two sliding pieces, the section of the groove (57) is rectangular (58), one edge of the rectangle (58) and the intersection line (59) of the double-side inclined plane (54) are on the same plane, and the groove (57) is positioned on one side close to the rear surface (52) of the sliding piece; two ends close to the groove (57) are respectively provided with a sunken bayonet (60), the section of the bayonet (60) is a right trapezoid (61), the straight waist (62) of the right trapezoid (61) is vertical to the bottom surface (63) of the groove (57), and the lower bottom edge (64) of the right trapezoid (61) is arranged on the bottom surface (63) of the groove (57).
8. The claim 1.7. said slider airtight strip (7) is a U-shaped strip, the hooping is at the lower part and two sides of the slider (6), the section shape is: the lower bottom edge of one right trapezoid (65) and the lower bottom edge of the other right trapezoid (66) are the same line segment, the right trapezoid (65) and the straight waist of the right trapezoid (66) are on the same straight line, the sum of the heights of the right trapezoid (65) and the right trapezoid (66) is equal to the thickness of the sliding sheet (6), the straight waist (67) of the right trapezoid (66) is connected with a rectangle (68), one edge (69) of the rectangle (68) is arranged on the straight waist (67) of the right trapezoid (66), the length of the edge (69) is equal to the width of the groove (58) in the sliding sheet (7), the other edge (70) of the rectangle (68) and the lower bottom edge of the right trapezoid (66) are on the same straight line, the length of the edge (70) is equal to the depth of the groove (58) in the sliding sheet (7), and the rectangle (68) is positioned on the inner side of the U-shaped air-tight sliding sheet; the inner sides of the sliding sheet airtight strips (7) close to the two end parts are respectively provided with a bulge (72) which is matched with the bayonet (61) on the sliding sheet in shape; the two ends of the air-tight slide plate strip (7) form double-side inclined planes (73), the inclined direction and angle of the double-side inclined planes (73) are the same as those of the double-side inclined planes (55) of the upper part (54) of the slide plate, the intersection line (74) of the double-side inclined planes (73) and the intersection line (60) of the double-side inclined planes (55) are on the same straight line, and the intersection line (74) of the double-side inclined planes (73) and the lower bottom edge of the right trapezoid (65) and the lower bottom edge of the right trapezoid (66) are on the.
9. The claim 1.2.3.4.5.6.7.8, the leaf spring (3) is installed in the leaf spring groove (20) of the rotor end cover (2), the rotor end cover (2) is sealed at the two ends of the rotor (1), the rotor groove (10) is aligned with the groove (15) to form a slide groove (75), the slide airtight strip (7) is sleeved at the lower part and two sides of the slide (6) to form a slide group (71) with the slide (6); the sliding vane group (71) is arranged in the sliding vane groove (75), and the components are assembled together to form a rotor group (76); the rotor set (76) is arranged in a cavity of the stator (4), and then the stator end covers (5) are plugged at two ends of the stator (4) to form the sliding vane type pneumatic motor (77).
10. The system of claim 1.2.3.4.5.6.7.8.9, wherein the rotor set (76) of the vane air motor (77) rotates in reverse to become the vane air compressor (78), the motor inlet (42) becomes the compressor outlet (79), and the motor outlet (39) becomes the compressor inlet (80).
11. An engine as claimed in claim 1.2.3.4.5.6.7.8.9.10, wherein the sliding vane type internal combustion engine is composed of a sliding vane type pneumatic motor (77) and a sliding vane type gas compressor (78) which are connected together by a central shaft, and a combustion supercharger (81).
12. The combustion booster (81) according to claim 11, wherein the combustion chamber (81) has a double chamber structure, the inner chamber is a combustion chamber (82), the combustion chamber (82) is a chamber having a heat sink (83) on an outer wall thereof, the combustion chamber (82) has three ports, one port is a fuel nozzle (84), one port is a combustion chamber air inlet (85), and the other port is a combustion chamber air outlet (86), and a spark plug (87) is provided in the combustion chamber (82); the outer cavity (88) of the combustion supercharger is a cavity wrapped outside the combustion chamber (82), and an outer cavity air inlet (89) and an outer cavity air outlet (90) are arranged on the outer cavity (88) of the combustion supercharger; the air outlet hole (79) of the compressor is connected with the outer cavity air inlet (89), the outer cavity air outlet (90) is connected with the combustion chamber air inlet (85), the combustion chamber air outlet (86) is connected with the motor air inlet (42), the fuel nozzle (84) is connected with a fuel pipeline, and the spark plug (87) is connected with a circuit.
13. The combustion chamber air outlet (86) and the outer chamber air inlet (89) are both provided with a one-way valve (91), the one-way valve (91) is composed of a plug (92) and a spiral spring (93), the spiral spring (93) presses the plug (92) for blocking the combustion chamber air outlet (86) to prevent the compressed air at the combustion chamber air outlet (86) from freely flowing out, and the spiral spring (93) presses the plug (92) for blocking the outer chamber air inlet (89) to prevent the compressed air from flowing into the outer chamber (88) of the combustion supercharger in one way.
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| CN201910225243.8A CN111734494B (en) | 2019-03-25 | 2019-03-25 | Pneumatic motor, gas compressor derived from pneumatic motor and internal combustion engine |
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| CN201910225243.8A CN111734494B (en) | 2019-03-25 | 2019-03-25 | Pneumatic motor, gas compressor derived from pneumatic motor and internal combustion engine |
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| CN111734494B CN111734494B (en) | 2023-08-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2780886C1 (en) * | 2021-12-29 | 2022-10-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный технологический университет" | Slide valve motor |
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| CN111734494B (en) | 2023-08-29 |
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