Internal-combustion engines – Multiple cylinder – Cylinders radiating
Patent
1998-02-20
1999-08-10
Yuen, Henry C.
Internal-combustion engines
Multiple cylinder
Cylinders radiating
123 557, 1231922, 1231972, 1231973, 1231974, F02B 7522
Patent
active
059342293
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The invention relates to an internal combustion engine, particularly relates to a reciprocating piston type internal combustion engine having a crank-dual circular slide block mechanism, in which the connecting rod is replaced by a circular slide block(s).
BACKGROUND OF INVENTION
In the existing reciprocating piston type internal combustion engine, a crank-connecting rod is used to achieve reciprocating movement of the piston. In order to overcome shortcomings of the crank-connecting rod mechanism, such as the reciprocating inertial force, several kinds of engine have been developed. One of them is a reciprocating piston type internal combusion engine with a crank circular slide block, in which the crank-connecting rod is replaced by a circular slide block(s). "An internal combustion engine without crank-connecting rod" developed by the Japanese Institute of Technology disclosed in "The internal combustion Engine", No 8, 1981, wherein the cylinders are arranged as a cross and the accident frequently occurs because the lubricating oil tends to enter the top portion of the piston. In addition, it was proposed that the structure of the sun gear system was arranged to the crank circular slide block mechanism in order to solve the equilibrium problem. However, it is difficult for that structure to be widely used because of its complicated structure. In an internal combusion engine with a crank circular slide block filed by the applicant, disclosed in CN85100358A issued by the Chinese Patent Office, a single circular slide block cooperating with a pair of inner gear transmiting pair is used. Its structure is quite simple, its weight is lower, but its dynamic equilibrium performance is still not perfect.
In veiw of these reasons, the purpose of present invention is to provide a reciprocating piston type internal combusion engine having a crank-dual circular slide block mechanism, which has very good eqilibrium performance and reliability and can save fuel and is simple in structure, smaller in volume and lower in weight.
SUMMARY OF INVENTION
The reciprocating piston type internal combusion engine having a crank-dual circular slide block mechanism according to the invention (see the accompanying drawings) comprises the cylinder body in which a crank-circular slide mechanism which consists of a cylinder(s), a piston(s), a crankshaft and a circular slide block which is rotatbly mounted in a circular opening of the piston and its eccentric axle hole is sleeved on the crankshaft; a valve actuating mechanism; and a fuel supply system. In the cylinder body there are provide a dynamic balance sliding piece which moves reciprocatingly along a sliding track and a circular slide block (28) which is rotatably mounted in a circular opening in the dynamic balance sliding piece which has 180 degree of phase difference related to said circular slide block (27) and is formed integrally with the slide block (27), and the eccentric axle hole of which sleeved on the crankshaft.
The piston (13) can be a double-acting piston which can do work on both sides; The sliding track (26) can be spatially perpendicular to the cylinder (8), whereby a laterally arranged I-shaped horizontal type double-cylinder engine can be formed.
The piston (50) can be a double-acting piston which can do work on both sides; The dynamic balance sliding piece (52) can be a single-acting piston which can do work on one side; The sliding track (51) can be a cylinder structure and be spatially perpendicular to the cylinder (49), whereby an inverted T-shaped type three-cylinder engine can be formed.
Both the cylinder (61) and the dynamic balance sliding piece (62) can respectively be a single-acting piston which can do work on one side; The sliding track (60) can be a cylinder structure and be spatially perpendicular to the cylinder (59), whereby a V-shaped type double-cylinder engine can be formed.
Both the shape and the size of the two circular slide blocks (27,28) can be identical, the eccentric distances(e) of their axle holes (29) is the
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"An Internal Combusion Engine Without Crank-Connecting Rod"; by the Japanese Institute of Technology, Nov. 1981.
Li Ming
Li Zhengzhong
Huynh Hai
Liao Ning Daan Internal Combustion Engine Institute
Yuen Henry C.
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