Rotor engine
The invention belongs to the field of engines, and relates to a rotary engine.
Because the connecting rod piston engine and the triangular rotor engine which are the most successful in the past are both insufficient in air inflow of an intake stroke or can not be fully charged, the engine can be fully charged, and therefore, the cylinder with the same capacity has more air capacity and stronger power.
The purpose of the invention is: the output shaft is designed into a crankshaft, so that the three-stroke work of the engine is realized, namely: compression, power and ventilation strokes.
When air is fed into a cylinder of a connecting rod piston engine or a triangle rotor engine, an air inlet valve is required to be closed in a lagging mode, and the air is fed at the maximum crank angle. The air exchange stroke of the engine of the invention occupies one complete stroke, namely, occupies 120 degrees of the rotation angle of the main shaft.
The structure of the engine of the present invention includes: the rotor rotates in the cylinder; the crank shaft I and the crank shaft II are arranged on the crank shaft I, the crank shaft I and the crank shaft II are integrated, the axle center of the crank shaft I and the axle center of the crank shaft II are on the same straight line, the crank shaft I rotates in an inner hole of the crank shaft I sliding block, and meanwhile, two outer edges of the crank shaft I sliding block slide back and forth on a crank shaft I sliding block track, namely slide back and forth along the short axis of the rotor; the inner hole of the crank second sliding block is provided with a crank second rotating, and the two outer edges of the crank second sliding block slide back and forth on the crank second sliding block track, namely slide back and forth along the long axis of the rotor. The crank-slider track and the crank-slider track are internal structures of the rotor. In normal operation of the engine, the short axis of the rotor always passes through a central point of the crank; the long axis of the rotor always passes through the two central points of the crank, and the short axis of the rotor is vertical to the long axis of the rotor. Two end faces of the rotor are respectively provided with a rotor window; the engine shell consists of 3 cylinders, a group of radial sealing assemblies are arranged between the cylinders, and each group of radial sealing assemblies consists of a radial sealing sheet, a radial sealing sheet spring, a sealing pin and a sealing pin spring; an end face sealing assembly is arranged in the cylinder, a set of end face sealing assembly consisting of an end face sealing sheet and an end face sealing sheet spring behind the end face sealing sheet is arranged between every two sealing pins, and each end face sealing sheet spring pushes the end face sealing sheet to be in plane contact with the end face of the rotor; the seal pin spring pushes the seal pin to be in contact with the rotor end plane, so that a sealing effect is achieved; the radial sealing piece springs push each radial sealing piece to be in contact with the cambered surface of the rotor, and a sealing effect is achieved. For a gasoline engine cylinder, a spark plug and a gasoline injector are arranged, and for a diesel engine cylinder, a diesel injector is arranged; the cylinder is also provided with an inlet valve and an exhaust valve which are used for opening and closing in a gas exchange stroke and have a gas exchange function, and the inlet valve and the exhaust valve are arranged in the cylinder and are respectively arranged on two engine end covers. The fastening bolts connect the two engine end covers with the engine shell; the pin shaft plays a role in positioning and fixes the relative positions of the two engine end covers and the engine shell; in the engine end cover, an air inlet channel is arranged behind an air inlet valve, and an exhaust channel is arranged behind an exhaust valve; in the valve system, a valve rod is fixedly connected with an intake valve behind an intake valve, and the valve rod is fixedly connected with an exhaust valve behind an exhaust valve; the valve spring acts on the valve rod through the clamping ring and the spring seat; one end of the valve tappet acts on the cam through a valve tappet wheel pin and the valve tappet wheel, the other end of the valve tappet acts on the first rocker arm through a valve tappet head, and the second rocker arm acts on the valve rod; the cam is fixed on the crankshaft or integrated to play a timing role; the first rocker arm and the second rocker arm swing around the rocker shaft integrally, and when the cam pushes the valve tappet wheel, the valve tappet wheel pin, the valve tappet head, the first rocker arm and the second rocker arm to push the valve stem, the inlet valve and the exhaust valve to open; when the cam wheel passes through the valve tappet wheel, the rocker arm I and the rocker arm II swing under the action of the valve spring, the valve tappet head, the valve tappet wheel pin and the valve tappet wheel move downwards to abut against the equal-arc part of the cam, and the intake valve and the exhaust valve are closed. The water jacket can contain cooling liquid. The crankshaft rotates in the crankshaft bearing bore.
The engine structure design principle of the invention is as follows:
the vertexes of the three equilateral triangles are balance contact points of the curved surface of the rotor-shaped line and three radial sealing pieces on the engine shell; a first crank rotates by an angle a relative to the engine shell; the short axis of the rotor rotates by an angle b relative to the engine shell;
a. b is in a rotating relationship: a: b is-2: 1 (negative sign stands for opposite direction of rotation to positive sign)
The vertex of the equilateral triangle keeps the relative position with the short axis of the rotor and moves along with the short axis of the rotor according to the relation of a: b-2: 1, the moving track of the vertex of the equilateral triangle is the rotor shape line, the rotor shape line can be slightly deformed properly, and the positive and negative gaps caused by the slight deformation can be compensated by the extension and contraction of the radial sealing sheet.
The outer containing line of the rotor-shaped line according to the moving track of a: b being-2: 1 is the cylinder-shaped line, the cylinder-shaped line can be slightly deformed properly, and the positive and negative clearances caused by the slight deformation can be compensated by the extension and contraction of the radial sealing sheets.
The working principle of the gasoline engine of the invention is as follows:
along with the rotation of the crankshaft, the crankshaft drives the crank-slider to slide back and forth in the crank-slider track through the crank, and also drives the crank-slider to slide back and forth in the crank-slider track through the crank II, so that a rotor-shaped line curved surface is dragged to slide on a cylinder-shaped line curved surface, the rotor is always in contact with three radial sealing sheets at the vertexes of three equilateral triangles in the moving process, and an end sealing sheet between every two sealing pins is always in contact with the end surface of the rotor, so that the cylinder body is sealed into three closed spaces, namely three cylinders, along with the movement of the rotor in each cylinder, three strokes are formed in each cylinder, namely, air exchange, compression and combustion work are performed, each stroke respectively occupies 120 degrees of the crank angle, and each cylinder completes three strokes, namely, one working cycle, every time the crank rotates for one circle (360 degrees), therefore, every two revolutions of the crankshaft, three cylinders complete six working cycles, and a single engine is equivalent to a six-cylinder connecting rod piston engine.
Compression stroke: the fuel injector sprays gasoline into the cylinder, the rotor extrudes mixed gas along with the movement of the rotor, and when the rotor is near the top dead center;
combustion power stroke: the spark plug is ignited, and the expanded fuel gas pushes the rotor to move downwards and drives the crankshaft to rotate to do work;
gas exchange stroke: the valve lifter head pushes the rocker arm I to drive the rocker arm II to swing, the rocker arm II pushes the valve rod to drive the inlet valve or the exhaust valve to open, and fresh gas enters the cylinder and pushes exhaust gas to be discharged out of the cylinder.
Exhaust and intake valve opening and closing order: the exhaust valve is opened firstly to exhaust waste gas, then the intake valve is opened to release fresh gas, the fresh gas pushes the residual waste gas to exhaust, then the exhaust valve is closed firstly along with the rotation of the cam, the fresh gas continues to rush into the cylinder, and finally the intake valve is closed along with the rotation of the cam, thus completing the gas exchange stroke.
The working principle of the diesel engine of the invention is as follows:
along with the rotation of the crankshaft, the crankshaft drives the crank-slider to slide back and forth in the crank-slider track through the crank, and also drives the crank-slider to slide back and forth in the crank-slider track through the crank II, so that a rotor-shaped line curved surface is dragged to slide on a cylinder-shaped line curved surface, the rotor is always in contact with three radial sealing sheets at the vertexes of three equilateral triangles in the moving process, and an end sealing sheet between every two sealing pins is always in contact with the end surface of the rotor, so that three cylinder bodies are sealed into three closed spaces, namely three cylinders, along with the movement of the rotor in each cylinder, three strokes are formed in each cylinder, namely, air exchange, compression and combustion work are performed, each stroke respectively occupies 120 degrees of the crank angle, and each cylinder completes three strokes, namely, one working cycle, every time the crank rotates for one circle (360 degrees), therefore, every two revolutions of the crankshaft, three cylinders complete six working cycles, and a single engine is equivalent to a six-cylinder connecting rod piston engine.
Compression stroke: the rotor extrudes the mixed gas along with the movement of the rotor, and when the rotor is close to a top dead center, the diesel oil is sprayed into the cylinder by the oil sprayer;
combustion power stroke: along with the rise of the temperature and the pressure of the mixed gas, the mixed gas is subjected to compression ignition, and the expanded fuel gas pushes the rotor to move downwards and drives the crankshaft to rotate to do work;
gas exchange stroke: the cam drives the cam to rotate along with the crankshaft, the cam pushes against the valve lifter wheel to drive the valve lifter and the valve lifter head to move upwards through the valve lifter wheel pin, the valve lifter head pushes the rocker arm I to drive the rocker arm II to swing, the rocker arm II pushes the valve lever to drive the inlet valve or the exhaust valve to open, and fresh gas enters the cylinder to push exhaust gas to be discharged out of the cylinder.
Exhaust and intake valve opening and closing order: the exhaust valve is opened firstly to exhaust waste gas, then the intake valve is opened to release fresh gas, the fresh gas pushes the residual waste gas to exhaust, then the exhaust valve is closed firstly along with the rotation of the cam, the fresh gas continues to rush into the cylinder, and finally the intake valve is closed along with the rotation of the cam, thus completing the gas exchange stroke.
Due to the adoption of the structure of the invention, the beneficial effects brought to the engine are as follows:
1. full stroke is used for ventilation, and the cylinder is filled with air.
2. The full stroke is acted upon.
3. Small volume and high power.
The following description refers to the accompanying drawings:
FIG. 1 is a cross-sectional view of the engine breathing state configuration, featuring both intake and exhaust valves open;
FIG. 2 shows the engine rotor reaching top dead center;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is a cross-sectional view of FIG. 2;
FIG. 5 is an end view of the engine;
FIG. 6 is a schematic view of a state where a gas exchange stroke is started;
FIG. 7 is a schematic view of a compression end state;
FIG. 8 is a schematic diagram of a work done end state;
FIG. 9 is a schematic view of a state where a gas exchange stroke is started;
FIG. 10 is a front view of the seal pin;
FIG. 11 is a right side view of FIG. 10;
FIG. 12 is a schematic view of valve lifter wheel, valve lifter, wheel pin, valve lifter head relationship;
FIG. 13 is a top view of FIG. 12;
FIG. 14 is a first schematic diagram of the locus of the vertices of an equilateral triangle;
FIG. 15 is a second schematic diagram of the locus of the vertices of an equilateral triangle;
FIG. 16 is a third schematic representation of the locus of the vertices of an equilateral triangle;
FIG. 17 is a fourth schematic view of the locus of the vertices of an equilateral triangle;
FIG. 18 is a fifth schematic view of the locus of the vertices of an equilateral triangle;
FIG. 19 is a six schematic representation of the locus of the vertices of an equilateral triangle;
FIG. 20 is a schematic diagram of a full circle of equilateral triangle vertex trajectories;
FIG. 21 is a schematic view of the rotor shape lines connecting the loci of all the vertices of an equilateral triangle;
FIG. 22 is a schematic view of a rotor profile;
FIG. 23 is a schematic view of a rotor profile movement trace;
FIG. 24 is a schematic view of a cylinder-shaped line drawn according to the rotor-shaped line trajectory;
FIG. 25 is a cylinder line with all cylinder line segments connected as a whole;
FIG. 26 is a front view of the rotor;
FIG. 27 is a cross-sectional view of FIG. 26;
FIG. 28 is a cross-sectional view A-A of FIG. 27;
FIG. 29 is a cross-sectional view B-B of FIG. 27;
in each figure: 1-a first rocker arm; 2-a valve spring; 3, an exhaust passage; 4-valve stem sleeve; 5-valve seat; 6-water jacket; 7-an exhaust valve; 8-a spark plug; 9-crank two-slider track; 10-crank one; 11-end face sealing piece; 12-a pin shaft; 13-valve tappet head; 14-a rocker shaft; 15-valve spring seats; 16-rocker arm two; 17-a snap ring; 18-valve stem; 19-valve tappet sleeve; 20-crankshaft bearings; 21-valve lifter; 22-valve tappet wheel; 23-valve lifter pin; 24-a cam; 25-a crankshaft; 26-crank-slide; 27-crank two-slider; 28-seal pin; 29-rotor long axis; 30-equilateral triangle; 31-engine end cover; 32-an air inlet channel; 33-fastening bolts; 34-radial sealing piece; 35-rotor shaped wire; 36-radial seal disc spring; 37-an engine housing; 38-equilateral triangle vertices; 39-an intake valve; 40-oil injector; 41-rocker shaft support; 42-short rotor axis; 43-cylinder line; 44-rotor rotation direction; 45-crank two; 46-a rotor; 47-cylinder; 48-end face seal piece spring; 49-seal pin spring; 50-sliding the slide back and forth; 51-rotor window; 52-crank-slider track; a-crank one is rotated relative to the engine shell; b-the angle of rotation of the minor axis of the rotor relative to the engine housing.
In fig. 1, 2, 3, 4, and 5, the engine of the present invention has a structure including: having a
rotor 46, a
cylinder 47, the
rotor 46 rotating in the
cylinder 47; the
crankshaft 25 is provided with a
first crank 10 and a
second crank 45, the
crankshaft 25, the first crank 10 and the second crank 45 are integrated, the axle center of the
crankshaft 25, the axle center of the first crank 10 and the axle center of the second crank 45 are on the same straight line, the
first crank 10 rotates in an inner hole of the first
crank sliding block 26, and meanwhile, two outer edges of the first
crank sliding block 26 slide back and forth on the first crank sliding
block track 52, namely slide back and forth along the short axis of the
rotor 46; the
second crank 45 rotates in the inner hole of the
second crank slider 27, and simultaneously, the two outer edges of the
second crank slider 27 slide back and forth on the second
crank slider track 9, namely slide back and forth along the long axis 53 of the rotor. The crank-
slider track 52 and the crank-
slider track 9 are internal structures of the
rotor 46. In normal operation of the engine, the rotor
short axis 42 always passes through the central point of the crank I10; the rotor long axis 53 always passes through the center point of the second crank 45, and the rotor
short axis 42 is perpendicular to the rotor long axis 53. Two end faces of the
rotor 46 are respectively provided with a
rotor window 51; the
engine shell 37 consists of 3
cylinders 47, a group of radial sealing assemblies are arranged between the
cylinders 47 and 47, and each group of radial sealing assemblies consists of a
radial sealing sheet 34, a radial
sealing sheet spring 36, a sealing
pin 28 and a
sealing pin spring 49; an end face sealing assembly is arranged in the
cylinder 47, a set of end face sealing assembly consisting of an end
face sealing sheet 11 and an end face sealing
sheet spring 48 behind the end
face sealing sheet 11 is arranged between every two sealing
pins 28, and each end face sealing
sheet spring 48 pushes the end
face sealing sheet 11 to be in plane contact with the end face of the
rotor 46 to play a sealing role; the
seal pin spring 49 pushes the
seal pin 28 to be in plane contact with the end face of the
rotor 46, and the sealing effect is achieved; the radial seal fin springs 36 urge each
radial seal fin 34 into cambered contact with the
rotor 46 for sealing. For a
gasoline engine cylinder 47 there is a
spark plug 8 and a
gasoline injector 40, for a diesel engine cylinder there is a
diesel injector 40; there are also
intake valves 39 and
exhaust valves 7 in the cylinder, which are responsible for intake and exhaust during the scavenging stroke, for scavenging, the
intake valves 39 and
exhaust valves 7 being both in the
cylinder 47 and on the two engine end covers 31, respectively. The fastening bolts 33 connect the two engine end covers 31 with the engine case 37; the pin shaft 12 plays a role in positioning and fixing the relative positions of the two engine end covers 31 and the engine shell 37; in the engine end cover, there are inlet ducts 32 behind the inlet valve 39, there are exhaust ducts 3 behind the exhaust valve 7; in the valve system, the valve stem 18 is fixedly connected with the intake valve 39 after the intake valve 39, and the valve stem 18 is fixedly connected with the exhaust valve 7 after the exhaust valve 7; the valve spring 2 acts on a valve rod 18 through a snap ring 17 and a spring seat 15; one end of the valve lifter 21 acts on the cam 24 through the valve lifter wheel pin 23 and the valve lifter wheel 22, the other end acts on the rocker arm I1 through the valve lifter head 13, and the rocker arm II 16 acts on the valve rod 18; the cam 24 is fixed on the crankshaft 25 or integrated to play a timing role; the rocker arm I1 and the rocker arm II 16 integrally swing around the rocker shaft 14; when the cam 24 pushes the valve rod 21, the intake valve 39 and the exhaust valve 7 to open through pushing the valve tappet wheel 22, the valve tappet wheel pin 23, the valve tappet 21, the valve tappet head 13, the rocker arm I1 and the rocker arm II 16; when the cam 24 rotates past the valve lifter wheel 22, the rocker arms one 1 and two 16 swing under the action of the valve spring 2, the valve lifter head 13, the valve lifter 21, the valve lifter wheel pin 23 and the valve lifter wheel 22 descend against the iso-arc portion of the cam 24, and the intake valve 39 and the exhaust valve 7 are closed. The
water jacket 6 can contain cooling liquid. The
crankshaft 25 rotates in the crankshaft bearing 20 bore.
The working principle of the gasoline engine of the invention is as follows:
with the rotation of the crankshaft 25, the crankshaft 25 drives the crank-slider 26 to slide back and forth in the crank-slider track 52 through the crank-i 10, and also drives the crank-slider 27 to slide back and forth in the crank-slider track 9 through the crank-i 45, thus dragging the curved surface of the rotor profile 35 to slide on the curved surface of the cylinder profile 43, during the movement of the rotor 46, the rotor profile 35 is always in contact with the three radial sealing pieces 34 at the vertexes 38 of the equilateral triangle, and the end sealing pieces 11 between every two sealing pins 28 are always in contact with the end surface of the rotor 46, thus sealing the three cylinders 47 into three closed spaces, namely three cylinders 47, with the movement of the rotor 46 in each cylinder 47, three strokes, namely, ventilation, compression and combustion work are formed in each cylinder 47, each stroke occupies 120 degrees of crankshaft rotation, and each rotation (360 degrees) of the crankshaft 25, each cylinder 47 completes three strokes, i.e. one working cycle, so that for every two revolutions of the crankshaft 25, three cylinders 47 complete six power cycles, the single engine of this kind corresponding to a six-cylinder connecting rod piston engine.
Compression stroke: the
fuel injector 40 injects the gasoline into the
cylinder 47, and the
rotor 46 presses the mixed gas along with the movement of the
rotor 46 until the
rotor 46 is near the top dead center;
combustion power stroke: the
spark plug 8 is ignited, and the expanded fuel gas pushes the
rotor 46 to move downwards and drives the
crankshaft 25 to rotate to do work;
gas exchange stroke: as the
crankshaft 25 drives the
cam 24 to rotate, the
cam 24 pushes against the
valve lifter wheel 22 to drive the
valve lifter 21 and the
valve lifter head 13 to move upwards through the valve
lifter wheel pin 23, the
valve lifter head 13 pushes the
first rocker arm 1 to drive the
second rocker arm 16 to swing, the
second rocker arm 16 pushes the
valve lever 18 to drive the
intake valve 39 or the
exhaust valve 7 to open, and fresh gas enters the
cylinder 47 to push exhaust gas to be discharged out of the
cylinder 47.
The
exhaust valve 7 and the
intake valve 39 open and close in order: the
exhaust valve 7 is opened firstly to exhaust waste gas, then the
intake valve 39 is opened to discharge fresh gas, the fresh gas pushes the residual waste gas to be exhausted out of the
cylinder 47, then the exhaust is carried out along with the rotation of the
cam 22, the
valve 7 is closed firstly, the fresh gas continues to rush into the
cylinder 47, and finally the
intake valve 39 is also closed along with the rotation of the
cam 22 over the
valve tappet wheel 22, and the gas exchange stroke is completed.
The working principle of the diesel engine of the invention is as follows:
with the rotation of the crankshaft 25, the crankshaft 25 drives the crank-slider 26 to slide back and forth in the crank-slider track 52 through the crank-i 10, and also drives the crank-slider 27 to slide back and forth in the crank-slider track 9 through the crank-i 45, thus dragging the curved surface of the rotor profile 35 to slide on the curved surface of the cylinder profile 43, during the movement of the rotor 46, the rotor profile 35 is always in contact with the three radial sealing pieces 34 at the vertexes 38 of the equilateral triangle, and the end sealing pieces 11 between every two sealing pins 28 are always in contact with the end surface of the rotor 46, thus sealing the three cylinders 47 into three closed spaces, namely three cylinders 47, with the movement of the rotor 46 in each cylinder 47, three strokes, namely, ventilation, compression and combustion work are formed in each cylinder 47, each stroke occupies 120 degrees of crankshaft rotation, and each rotation (360 degrees) of the crankshaft 25, each cylinder 47 completes three strokes, i.e. one working cycle, so that for every two revolutions of the crankshaft 25, three cylinders 47 complete six power cycles, the single engine of this kind corresponding to a six-cylinder connecting rod piston engine.
Compression stroke: compression stroke: as the
rotor 46 moves, the
rotor 46 presses the mixture, and when the
rotor 46 is near the top dead center, the
fuel injector 40 injects diesel into the cylinder;
combustion power stroke: along with the rise of the temperature and the pressure of the mixed gas, the mixed gas is subjected to compression ignition, and the expanded fuel gas pushes the
rotor 46 to move downwards and drives the
crankshaft 25 to rotate to do work;
gas exchange stroke: as the
crankshaft 25 drives the
cam 24 to rotate, the
cam 24 pushes against the
valve lifter wheel 22 to drive the
valve lifter 21 and the
valve lifter head 13 to move upwards through the valve
lifter wheel pin 23, the
valve lifter head 13 pushes the
first rocker arm 1 to drive the
second rocker arm 16 to swing, the
second rocker arm 16 pushes the
valve lever 18 to drive the
intake valve 39 or the
exhaust valve 7 to open, and fresh gas enters the
cylinder 47 to push exhaust gas to be discharged out of the
cylinder 47.
The
exhaust valve 7 and the
intake valve 39 open and close in order: the
exhaust valve 7 is opened firstly to exhaust waste gas, then the
intake valve 39 is opened to discharge fresh gas, the fresh gas pushes the residual waste gas to exhaust out of the
cylinder 47, then the
exhaust valve 7 is closed firstly along with the rotation of the
cam 22, the fresh gas continues to rush into the
cylinder 47, and finally the
intake valve 39 is also closed along with the rotation of the
cam 22 and the
valve tappet wheel 22, and the gas exchange stroke is completed.
As can be seen in fig. 1 and 2, crank one 10 rotates 360 degrees in the crank one
slider 26 bore, and crank one
slider 26 slides back and forth in the crank one
slider track 52; the crank second 45 rotates 360 degrees in the hole of the crank
second slide block 27, and the crank
second slide block 27 slides back and forth in the crank second
slide block track 9. The
exhaust passage 3 and the
intake passage 32 are respectively on the respective engine end covers 31, in the cylinders, the
intake valves 39 and the
exhaust valves 7 are opposed, and the gas is nearest from the
intake valves 39 to the
exhaust valves 7.
As can be seen from fig. 3 and 4, the space can make the diameters of the
intake valve 39 and the
exhaust valve 7 larger, which is suitable for high-speed running of the engine, and the end
face sealing piece 11 is always in complete contact with the end face of the
rotor 46 to ensure the sealing performance.
As can be seen in fig. 5, each
cylinder 47 has a gas exchange stroke, and also a compression and power stroke, for each revolution of the
crankshaft 25 of the engine, and each stroke occupies 120 degrees of rotation of the
crankshaft 25.
It can be seen in fig. 6, 7, 8 and 9 that fig. 6 and 7 show the compression stroke of the engine, fig. 7 and 8 show the power stroke of the engine, fig. 8 and 9 show the gas exchange stroke of the engine, which is similar to the connecting rod piston two-stroke engine except that in the connecting rod piston two-stroke engine, the gas exchange stroke is divided into a certain angle from 2 strokes, and the gas exchange stroke of the engine is an independent complete stroke, which occupies 25 degrees of
crankshaft rotation 120 degrees, so to speak, is a three-stroke engine.
In fig. 10, 11, the
seal pin 28 is visible in shape.
Fig. 12 and 13 show the relative positional relationship of
valve lifter wheel 22,
valve lifter 21, valve
lifter wheel pin 23, and
valve lifter head 13.
In fig. 14, 15, 16, 17, 18, 19, 20, the case of
equilateral triangle vertices 38 can be seen.
The engine structure design principle of the invention is as follows:
the apex 38 of the equilateral triangle is the equilibrium contact point of the curved surface of the
rotor profile 35 with the three
radial sealing pieces 34 on the
engine casing 37; when the engine works, the rotor
short axis 42 always passes through the center point of the
first crank 10, the rotor
long axis 29 always passes through the center point of the second crank 45, the rotor
short axis 42 is perpendicular to the rotor
long axis 29, and the
first crank 10 rotates by an angle a relative to the
engine shell 37; the
short rotor axis 42 is rotated relative to the
engine housing 37 by an angle b,
a. the angular relationship of b: a: b is-2: 1 (minus sign indicates opposite to plus sign rotation). The three
equilateral triangle vertices 38 remain in position relative to the rotor
minor axis 42 and the path of the
equilateral triangle vertices 38 is the
rotor profile 35 as the rotor
minor axis 42 moves in a-2: 1 relationship a: b.
Where in fig. 15 there are the specific positions of a, b, the crank one 10 is rotated an angle a relative to the
engine housing 37; the
short rotor axis 42 is rotated relative to the
engine housing 37 by an angle b.
In fig. 21 and 22, it can be seen that the
equilateral triangle vertices 38 are connected to form a closed curve, i.e., the
rotor line 35, and the
rotor line 35 can be slightly deformed appropriately, and the positive and negative clearances caused by the slight deformation can be compensated by the expansion and contraction of the
radial seal pieces 34.
As can be seen in fig. 23, 24 and 25, the rotor-shaped
wire 35 moves at a ratio a: b of-2: 1, the outer envelope line of the trajectory is the cylinder-shaped
wire 43, the cylinder-shaped
wire 43 can be slightly deformed appropriately, and the positive and negative clearances caused by the slight deformation can be compensated by the extension and retraction of the
radial sealing piece 34.
26, 27, 28, 29, the
crankshaft 25 is located relative to the
rotor 46, the
crankshaft 25 has the crank-
one 10 and the crank-two 45, the
crankshaft 25, the crank-
one 10 and the crank-two 45 are integrated, the crank-
one 10 rotates in the inner hole of the crank-
one block 26, and the crank-
one block 26 slides back and forth on the crank-one
block track 52, i.e. along the rotor
short axis 42; the
second crank 45 rotates in the inner hole of the
second crank slider 27, and simultaneously, two outer edges of the
second crank slider 27 slide back and forth on the second
crank slider track 9, namely slide back and forth along the rotor
long axis 29, and the rotor
short axis 42 is vertical to the rotor
long axis 29.