Internal-combustion engines – Rotary – With transfer means intermediate single compression volume...
Patent
1994-04-11
1996-05-21
Koczo, Michael
Internal-combustion engines
Rotary
With transfer means intermediate single compression volume...
F02B 5300
Patent
active
055179606
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a rotating internal combustion engine, more particularly, to such a rotating internal combustion engine that includes simplifying concentric rotating bodies, such as an outer housing, an inner rotor and the like, so as to achieve the enhanced efficiencies and stabilized operation.
2. Description of Related Art
In general, it has been well known that internal combustion engines are designed such that the fuel-air mixture in which liquid fuel, such as gasoline, diesel oil or the like, is mixed with air should be compressed and then burned inside the engine, and that consequent rotating power due to the explosive force during the burning of the mixture can be generated.
Conventionally, most internal combustion engines have a reciprocating-piston which slides back and forth in a cylinder in order to compress the mixture, and have a connecting-rod and crank (including crank shaft) mechanism in order to change the linear movement of the piston into resultant rotating power.
Therefore, complexity of the engine structure as well as inferiority of the engine efficiencies due to the power transmission through a lot of means have given impetus to vigorous studies which enable the direct rotating power from the internal combustion engine.
As a result, the Wankel Rotating Combustion Engine has been developed at the end. However, the Wankel engine has had many problems: vibration from the engine and wear and consumption of the engine parts are increased because a driving shaft is constructed as a crank mechanism as in a reciprocating engine; and noise and wear due to round shaped tip of Apex Seal are generated.
The more improved rotary engine has been disclosed in Japanese Patent Gazette Sho 63-31650, wherein there exist many disadvantages as follows: the total dimension and structure of the engine becomes larger and complicated because the rotors consist of a separated compression rotor and an expansion rotor; and the production costs and mechanical consumption are increased. And the structural features are characterized in that the intake and exhaust valves disposed at both sides of combustion chamber respectively are reciprocating valves using the pressure difference, and that the metallic valves are consequently opened and closed due to the difference of air pressure only and intended to be harmonized with neighboring parts. Thus this engine is found to be inadequate in high-speed running. In addition, noise and vibration due to the reciprocating movement of the valves expedites the consumption of the engine parts. Besides, this engine has a further problem in which throttling loss also occurs at the narrower range from the combustion chamber disposed separately to a vane piston.
SUMMARY OF THE INVENTION
Accordingly, a primary object of the present invention is to provide a rotating internal combustion engine which has a simplifying structure that consists of an outer housing and inner rotors arranged as concentric rotating bodies.
Another object of the present invention is to provide a rotating internal combustion engine which is designed to prevent an oil film from rupturing as well as to prolong the life of seals while surfaces of oil-seals and gas tight-seals are intended to be contactedly moved along the same plane in the same direction by accomplishing only concentric movement rather than quaking movement or eccentric movement thereof.
In order to accomplish the above objects, a rotating internal combustion engine of this invention is provided, comprising: port and an exhaust port respectively, a pair of engaging rotors provided with two flanges, the rotors being installed within said housing and intended to compress the air introduced through the intake port, a vane piston which is protrudedly provided on one of said rotors, the vane piston being intended to engage with an engaged groove provided on the other rotor so as to produce the compressed air, wherein said housing is integrated with an assembly which consists of a cent
REFERENCES:
patent: 428762 (1890-05-01), Sharpneck
patent: 3837323 (1974-09-01), Delfino et al.
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