JPS6339772B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial Application Field" The present invention relates to a gear internal combustion engine, and an object of the present invention is to provide a completely novel internal combustion engine that extracts power directly from rotational motion.

"Problems to be solved by the prior art and the invention" In the conventional reciprocating internal combustion engine, the piston,
Reciprocating parts such as connecting rods and bushing rods vibrate a lot, making it difficult to rotate them at higher speeds than specified.In reciprocating engines, pistons, piston rings, liners, and other parts that are exposed to combustion gas and slide at high speed wear out quickly. do. In addition, since conventional internal combustion engines use intermittent combustion, it is necessary to ignite each cycle to continue combustion, which requires more fuel than continuous combustion, which limits the amount of fuel that can be reduced. Intermittent combustion requires a fuel injection pump and nozzle, as well as magnets and coils to ensure ignition timing, making the structure complex. Therefore, in order to solve the above-mentioned problems, the present invention arranges an even number of operating gears of four or more in an annular manner and utilizes the confinement phenomenon that occurs between the teeth of the meshing part to rotate the gears. It extracts power directly from motion, and in particular, fuel is supplied using an air-fuel mixture generator (vaporizer).

Further, as a gear internal combustion engine in which an even number of operating gears of four or more are arranged in an annular shape and meshed with each other, there is a prior art described in Japanese Patent Application Laid-open No. 15911/1983. In this geared internal combustion engine, the air-fuel mixture is supplied to the center of a plurality of operating gears arranged in an annular manner (point B), and the meshing of the gears at the meshing part (point A) where the operating gears mesh outward is controlled. The air-fuel mixture is sandwiched between the teeth of the gear at a shallow depth, carried to point A, and ignited at point A. When the tips of the teeth of the gear at point A separate and a slight gap is created, the ignition starts. enters the teeth and burns, expanding the gas and rotating the gear.On the other hand, the meshing of the gears at the meshing part (point D) where the operating gear meshes inward is at the center B of the combustion gas. There are no gaps to prevent water from entering the area. In this prior art gear internal combustion engine, since the meshing of the gears at point A is shallow, compression cannot be increased and an engine with high thermal efficiency cannot be provided.

"Embodiments" Hereinafter, the present invention will be described in detail based on specific embodiments shown in the accompanying drawings. Six operating gears 1, 2, 3, 4, 5, and 6 are arranged in an annular manner and supported by an operating gear case 7 so as to mesh with each other. The six operating gears 1, 2, 3, 4, 5, and 6 are arranged in an annular shape and mesh with each other, so there are six meshing points, three meshing points G _I that mesh inward,
There are three outward meshing points _G0 , and inward meshing points _GI and outward meshing points _G0 alternate. Also,
The meshing point is the intersection of the straight line connecting the centers (O) of the operating gears and the reference pitch circle (PC). A small gear 8 is carved on the shaft end of every other operating gear 1, 3, 5, and this small gear 8 is connected to annular operating gears 1, 2, 5.
Operating gear case 7 located at the center of 3, 4, 5, and 6
It meshes with a large gear 10 fixed to the rear of a central main shaft 9 that passes through the center of the shaft.

The operating gear case 7 is arranged as close as possible to the outer periphery and inner periphery of the operating gears 1, 2, 3, 4, 5 _, and 6 arranged in an annular manner without coming into contact with the tips of the tooth parts _. and each inward engagement point G _I
A radial exhaust passage 12 is formed in front of the exhaust hole 1.
Connects with 3.

A combustion block 14 is disposed in front of the operating gear case 7, and mixture passage ports 15, 16, and 17 are carved on the rear side of the combustion block 14, and are connected to a carburetor 18 that generates a mixture of air and fuel. and the rear of each inward meshing point G _I and gears 1, 2, 3, 4, 5,
It communicates from the front end surface side of 6.

Each outward meshing point G ₀ on the rear surface of the combustion block 14
A spherical pre-combustion chamber 2 is formed between the combustion block 14 and the combustion block 14 by embedding a heat-insulating special alloy base 19 in the opposing part of the combustion block 14.
Form 0, 21, 22. In addition, the pre-combustion chamber 2
A hemispherical heat-resistant material may be used for the inner surfaces of the combustion blocks 0, 21, and 22 on the combustion block 14 side. Due to the rotation of the operating gears 1, 2, 3, 4, 5, 6, the mixture flowing from the carburetor 18 into the mixture passage ports 15, 16, 17 passes through the arcuate wall surface _11I and is directed outward in front of the meshing point _G0. It flows into the air and is trapped between the meshing teeth of the operating gears 1, 2, 3, 4, 5, and 6, and is compressed to high pressure.
In order to guide this compressed air-fuel mixture to the pre-combustion chambers 20, 21, 22, an air supply port 2 is provided on the rear end face of the combustion block 14 at a position shown in _FIG .
3 are opened and communicated through a compressed mixture passage 24. Although two air supply ports 23 are shown in FIG. 3,
It can also be one piece if necessary. Glow plugs 25, 26 in the pre-combustion chambers 20, 21, 22,
The compressed air-fuel mixture injected from the compressed air-fuel mixture passage 24 as the operating gears 1, 2, 3, 4, 5, and 6 rotate is directed to the pre-combustion chamber 20,
21, 22 become a vortex, and the glow plugs 25,
26, 27, and the pre-combustion chambers 20, 2
1 and 22, combustion continues at all times. The injected compressed air-fuel mixture is delivered to the pre-combustion chambers 20, 21, 22 the same number of times as the number of teeth by one rotation of the operating gears 1, 2, 3, 4, 5, 6.
However, since it is ignited by the glow plugs 25, 26, 27, combustion continues at all times in the pre-combustion chambers 20, 21, 22. Combustion is more efficient than conventional internal combustion engines, which ignite each cycle and provide extra fuel to continue combustion.

The combustion gas in the pre-combustion chambers 20, 21, 22 is directed outward to the operating gears 1, 2, 3, 4, behind the meshing point _G0 .
A combustion gas passage port 29 leading to the combustion chamber 28 formed between the tooth surfaces 5 and 6 is opened in the end face of the mouthpiece 19 behind the outward meshing point _G0 , for example, as shown in FIG. to communicate. Although two combustion gas passage ports 29 are shown in FIG. 3, one may be provided if necessary, and the positional relationship with the air supply port 23 is as shown in FIG. The air supply port 23 is arranged so as to open after being closed by the side surfaces of the operating gears 1, 2, 3, 4, 5, and 6. Taヾ,
The combustion gas passage port 29 and the air supply port 23 may be set to open at the same time with a slight overlap.

From the pre-combustion chambers 20, 21, 22 to the hot combustion gas passage 3
The combustion gas that has reached the combustion chamber 28 through the combustion chamber 28 expands and rotates the operating gears 1, 2, 3, 4, 5, and 6.
The expanded combustion gas is transferred to operating gears 1, 2, 3, 4,
5, 6 and the arcuate wall surface ₁₁₀ to the exhaust passage 12, but the arcuate wall surface ₁₁₀ is within the range where the tips of the teeth of the operating gears 1, 2, 3, 4, 5, and 6 do not come in contact with each other. Since they are formed close to each other, the exhaust passage 12
If the arc-shaped wall surface 11 ₀ is reached, the expanded combustion gas will reach the arc-shaped wall surface 11 ₀ and the operating gears 1, 2, 3,
Operating gears 1 and 6 are operated in order to use the expanded combustion gas as kinetic energy since it does not operate as effective energy trapped between gears 4, 5, and 6.
An exhaust jet flow path 31 is provided on the downstream side outside the tips of the teeth 2, 3, 4, 5, and 6.

An internal gear pump 32 is provided in the operating gear case 7 portion of the central main shaft 9. The internal gear pump 32 has a central main shaft 9 as a drive shaft, a pinion 33 is attached to the central main shaft 9, and a crescent-shaped spacer 35 is provided eccentrically from the pinion 33 and engaged with an internal gear 34 between the pinion 33 and the internal gear 34. An oil suction port 36 and a discharge port 37 are formed. Oil holes 38 are axially penetrated through the operating gears 1, 2, 3, 4, 5, and 6, respectively, and are provided within the thickness of a flywheel cover 40 that covers a flywheel 39 attached to the rear end of the central main shaft 9. Drilled oil hole 4
1. Oil hole 4 in the axial direction within the wall thickness of the operating gear cover 7
2 and a circumferential oil hole 43 to an oil tank (not shown) and the internal gear pump 32, and supply lubricating oil to the axial oil of the operating gears 1, 2, 3, 4, 5, and 6. It is supplied to the hole 38 to lubricate the bearing surface and cool the operating gears 1, 2, 3, 4, 5, and 6.

This gear internal combustion engine has an operating gear case 7 and a combustion block 14 in order to facilitate the production of frames, cases, and covers that support, constitute, or cover functional parts.
and the flywheel cover 40 is divided into three parts,
Made of die-cast material, the center spindle 9 can be inserted through the center spindle 9 so that they can be superimposed in order, and each joint surface can be inserted into the center spindle 9.
It is formed on a plane perpendicular to .

An annular exhaust pipe 45 having one exhaust port 44 is connected to the front of the operating gear case 7 so that the combustion gas is not exhausted from each exhaust hole 13 individually but from one location. Also, combustion block 1
4 is connected to an annular intake pipe 47 having one air mixture intake 46 in order to take in air from the air mixture passage ports 15, 16, and 17 from one place. It is formed to protrude so as to cover the fan 48 attached to the tip of the central main shaft 9 and to be located inside the exhaust pipe 45,
The inhaled air-fuel mixture is heated by the combustion gas to improve combustion. Further, since the exhaust pipe 45 is arranged on the outside, it is preferable for heat dissipation. In addition, Juan 48
Since it is located at the center of the front end of the device, it is extremely easy to cool the entire device.

49 and 50 are bearings for the central main shaft 9, 51 is a ring gear, and 52 is a starter motor.

In the gear internal combustion engine described above, when the starter motor 52 is driven, the central main shaft 9 rotates via the ring gear 51 and the wheel 39, and the operating gears 1, 2, 3, 4, 5, and 6 rotate via the large gear 10 and small gear 8. Rotate and start. Exhaust passage 12, exhaust hole 13 in front of inward meshing point G _I of operating gears 1, 2, 3, 4, 5, 6,
Exhaust gas is discharged from an exhaust pipe 45 and an exhaust port 44,
Mixture passage port 15, 1 behind the inward meshing point G _I
The mixture is introduced into the carburetor 18, the mixture intake port 46, and the intake pipe 47 to the operating gears 1, 2,
Due to the rotations of 3, 4, 5, and 6, the mixture is shaped like an arc 11
Flows into the front of the outward meshing point G ₀ through _I , is trapped between the meshing teeth of operating gears 1, 2, 3, 4, 5, and 6, is compressed, becomes high pressure, and flows through the compressed mixture passage 24. The combustion gas is injected into the pre-combustion chambers 20, 21, 22, becomes a vortex, is ignited by the glow plugs 25, 26, 27, and combustion continues at all times.The combustion gas is injected into the combustion chamber 28 through the passage 30, expands, and operates the gears 1, 2. ，
3, 4, 5, and 6 are rotated, and when the combustion gas passes through the flow path 31, the jet flow causes the operating gears 1,
2, 3, 4, 5, and 6 to reach the passage 12.
The power generated in the operating gears 1, 2, 3, 4, 5, and 6 is transmitted to the central main shaft 9 via a small gear 8 and a large gear 10.

The above has described an embodiment in which six working gears with the same diameter are arranged in an annular shape and mesh with each other, but the present invention can be implemented as long as the working gears are an even number of four or more, and even if they are not the same diameter. Furthermore, the power can be extracted not only from the central spindle disposed at the center but also from an internal gear or the like in which the operating gear is installed.

"Effects of the Invention" As described above, the present invention has no reciprocating parts and can rotate at high speed, making it possible to provide an internal combustion engine that can be made lighter, more compact, and lower in cost. Also,
Unlike conventional reciprocating engines, there are fewer sliding parts exposed to exhaust gas, improving durability. Furthermore, since conventional internal combustion engines have intermittent combustion, it is necessary to ignite each cycle to continue combustion, which requires a large amount of fuel, and there is a limit to how much fuel can be reduced.However, the present invention uses continuous combustion, which makes it possible to reduce fuel supply. Continuous combustion reduces exhaust noise, eliminates the need for fuel injection pumps, nozzles, magnets, coils, etc., and simplifies the structure, making it possible to provide a low-cost internal combustion engine.

In conventional gear internal combustion engines, the meshing is shallow at the meshing part of the gears, which does not increase compression and has low thermal efficiency.However, in the present invention, the meshing area is shallow at the meshing part of the gears, resulting in poor compression and low thermal efficiency. communicates with the exhaust port, the rear communicates with the air-fuel mixture generator, communicates the front of the meshing point where the operating gear meshes outward with the pre-combustion chamber, and connects the pre-combustion chamber with the operating gear facing outward. The compressed gas trapped between the teeth does not pass through the compressed air at all at the meshing point of the gears. Therefore, it is possible to provide an engine that can obtain the required compression and has high thermal efficiency. The present invention is characterized in that it includes a pre-combustion chamber, a combustion chamber, and an air-fuel mixture generator.

[Brief explanation of the drawing]

1 is a front view of a specific embodiment of the present invention, FIG. 2 is a side sectional view of FIG. 1, and FIG. 3 is an enlarged front view of the main part of FIG. 1. 1, 2, 3, 4, 5, 6... Operating gear, G _I ...
...Inward meshing point, 13...Exhaust hole, 18
... Carburetor (air and fuel mixture generation device),
G ₀ ... Meshing point that meshes outward, 20, 21, 2
2... Pre-combustion chamber, 25, 26, 27... Glow plug, 28... Combustion chamber.

Claims (1)

[Claims] 1 An even number of 4 or more operating gears are arranged in a ring and mesh with each other, the front part of the meshing point where the operating gears mesh inwardly communicates with the exhaust hole, and the rear part is connected to an air-fuel mixture generator. The front of the meshing point where the operating gear meshes outward communicates with the pre-combustion chamber, and the sealing is as close as possible to an appropriate position in front of the outward meshing point without contacting the tips of the teeth. The glow plug is arranged so as to face into the pre-combustion chamber, and the pre-combustion chamber is communicated with the combustion chamber formed between the operating gears behind the meshing point where the operating gears mesh outward. A gear internal combustion engine.