Internal-combustion engines – Rotating cylinder – Radial
Utility Patent
1999-01-25
2001-01-02
Koczo, Michael (Department: 3748)
Internal-combustion engines
Rotating cylinder
Radial
C123S04400R
Utility Patent
active
06167850
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to an apparatus for producing a rotary motion force by means of an internal combustion engine of the rotary type with pistons, provided with a rotor which has a circular shape and contains pistons which reciprocate in the rotor. The rotor is rotationally mounted on a centrally located engine shaft in a fixed housing having a cavity formed by a circular peripheral inner wall and two side walls. The pistons are reciprocally mounted in a cylinder in the rotor and reciprocation of the pistons is guided by a fixed piston guide plate, and the rotor is rotated by the piston rod putting pressure on the piston guide plate.
Many rotary combustion engine have been invented in the past such as the James Watt rotary steam engine, Gilbert's engine, Cooley's engine, Selwood engine, Wankel's engine, Walter's engine, Farwell's engine, Mercer engine, Porsche rotary engines, Virmel engine, Kauertz engine, Geiger engine, Franke engine, Blount's engines and others, but all of these are different than the engine of this invention.
The improved engine of this invention is of the novel rotary type engine with the pistons reciprocating in the rotor as the rotor rotates, and the pistons' reciprocal motions are guided by a stationary piston guide and a rotatable rod guide. The rotatable rod guide keeps the pistons in the right position, and the stationary piston guide reciprocates the pistons up and down as the rotor rotates. The engine of this invention is entirely different from the known types of rotary engines.
The present novel rotary apparatus with reciprocating pistons of this invention may be utilized as an internal combustion engine, as a combination of an internal combustion engine and a compressor and/or pump, as a steam engine, as a pump, as a gas compressor and as an engine powdered by expanding heated liquid or gases.
The basic rotary internal combustion engine with reciprocal pistons of this invention consists of stationary cylindrical housing with cylindrical inner walls, front and back side walls, circular rotor rotationally mounted in the housing on a centrally located round shaft and rotates with the shaft, a rotor contains circular cylinder chambers for the reciprocating pistons which are reciprocally guided by a stationary piston guide plate and a rotating rod guide rod plate attached to the shaft, an ignition system, a gas mixture intake port and an exhaust port. The rotor has a centrally located chamber to house the stationary piston guide plate and rotating rod guide plate and compression chamber and/or oil chamber. The rotor contains combustion chambers (cylinder chambers) above the pistons which are sealed off by means of seals on the rotor and rings on the pistons. The rotor is attached to the shaft and rotates with the centrally located shaft. The round shaft extends through the center of the side walls. The cylinder chambers volumes vary in size when the rotor rotates and the pistons reciprocate, thereby the strokes of suction, compression, ignition and exhaustion takes place in the cylinder chambers.
The apparatus of this invention is relatively simple in construction and operation whereby the engine can be produced at relatively low cost. Fewer parts are required in its construction when compared with conventional reciprocal engines. This new engine design should improve the efficiency of the engine operation and is extremely desirable. Each cylinder chamber may be fired one or more times per rotation.
SUMMARY OF THE INVENTION
The object of the present invention is to produce an improved internal combustion engine which is of the rotary type with reciprocal pistons in the rotor. Another object is to provide a novel apparatus which is a rotary combustion engine with reciprocal pistons in the rotor which also has a chamber for compressing a gas. Another object is to produce an apparatus which may be utilized as a two cycle rotary internal combustion engine or as a four cycle rotary internal combustion engine. Another object is to produce and apparatus which has the strokes of suction, compression, ignition and exhaustion. Still another object is to produce multiple arrangement of the rotary internal combustion engine of this invention. Another object is to produce an apparatus which may be utilized as a compressor and as an engine powered by the expansion of heated gases or liquids.
The two cycle and four cycle rotary internal combustion engine of this invention consist of:
1. Housing, a stationary hollow cylindrical housing having a cylindrical inner peripheral wall which forms a circular cavity with room for a rotor to rotate, and has a front side wall (head) and a rear side wall. The housing has passage ways for admitting a gaseous mixture to the cylinder chamber and passage ways for discharging combustion gases from the cylinder chamber. There are one or more spark plug ports in the housing which open into the cylinder chambers, and may have fuel injection ports in the housing which open into the cylinder chambers.
2. Rotor, a rotatable cylindrical rotor with a centrally located compression and/or oil chamber and one or more cylinder chambers extending from the rotor's peripheral wall down to the centrally located compression and/or oil chamber, front and posterior wall with means for the posterior wall of the rotor to attach to the shaft, and an opening in the center of the anterior wall of the rotor for the shaft and piston guide holder to pass through. The rotor has compression and oil seals to seal the combustion chamber and compression and/or oil chamber from each other.
3. Piston, a cylindrical piston which reciprocates in the cylinder chamber of the rotor, and has rings on the peripheral surface to seal the combustion chamber from the centrally located compression and/or oil chamber. The piston has a piston rod located centrally on the bottom of the piston, and has means to guide the reciprocal motions of the piston and to apply a force on the piston guide plate thereby forcing the rotor to rotate.
4. Engine shaft, consisting of a round shaft which passes through the center of the housing walls and extends out the center of the front and posterior walls, and has means for the rotor to be attached to the shaft.
5. Piston guide plate, consisting of a solid stationary plate with peripheral wall having various shapes suitable to guide the reciprocal motions of the piston. The piston guide plate has means to be attached to the front wall of the housing and means for the piston rod bearing to rotate on the peripheral area of the piston guide plate and the rod inner guide pin to rotate under the piston guide plate.
6. Piston rod guide, consisting of solid plate with slots for the piston rod or rods to reciprocate through and keep the pistons parallel to the cylinder wall, and has means for being attached to the shaft and/or posterior rotor wall or is located in the bottom of the cylinder and rotates with the rotor.
7. Ignition system, consisting of means for ignition of compressed gaseous mixture for expansion of cylinder chambers due to the pressure on the piston from the combustion products.
8. Fuel system, consisting of means for supplying fuel and air to the combustion chambers.
The basic engine components of the engine of this invention may be used in a two cycle or a four cycle engine or in a multiple two cycle or four cycle engine. The two cycle engine's intake and exhaust ports are located in a position where the expanded combustion gases escape when the cylinder chamber has expanded to it's maximum volume, whereas in a four cycle engine the intake and exhaust ports are located in the area where the cylinder chamber is smallest so the fuel-air mixture can be drawn in when the cylinder chamber expands, and the expanded combustion gases can be pushed out as the cylinder chamber becomes smaller. In a rotary two cycle engine with two or more pistons the strokes of compression, ignition and exhaustion take place at the same time in each cylinder chamber. In a four cyc
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