JP2005524023A5 - - Google Patents

Claims (9)

An engine housing with a first end and a second end;
An elongate output shaft disposed longitudinally within the engine housing and forming a longitudinal axis of the engine;
A combustion cylinder and a guide cylinder spaced from each other on a common cylinder axis substantially parallel to the central axis, each cylinder having an inner end and an outer end, the inner ends being adjacent to each other And the combustion cylinder and the guide cylinder, wherein the outer end of the combustion cylinder is closed,
An intake system that operates to introduce an air and / or fuel mixture into the combustion cylinder;
A track coupled to the output shaft and rotating with the output shaft about a longitudinal axis of the output shaft and supported between the inner end of the combustion cylinder and the inner end of the guide cylinder, A track having non-planar cam surfaces substantially parallel to each other disposed between the inner end of the guide cylinder and the inner end of the guide cylinder;
A double-headed piston,
The double-headed piston
The combustion end movably disposed within the combustion cylinder such that a combustion chamber is formed between the combustion end and the closed end of the combustion cylinder;
A guide end arranged movably in the guide cylinder;
An intermediate portion extending between the combustion end and the guide end, the intermediate portion having at least two roller bearings rollingly engaging with both cam surfaces of the track, the track being in the longitudinal axis When the rotation of the piston is performed, the intermediate portion presses the combustion end of the piston outward in the combustion cylinder to compress the mixture in the combustion chamber, and when the mixture in the combustion chamber expands, the combustion end of the piston becomes the combustion cylinder The guide end moves with the middle part, and when the combustion end moves outward, the guide end moves inward within the guide cylinder, and the combustion end moves inward. The guide end moves outward when moved, and the guide end and the guide cylinder cooperate to guide the movement of the double-headed piston,
An internal combustion barrel engine characterized in that combustion occurs only in the combustion cylinder and not in the guide cylinder.   The guide end of the piston has a pumping end, the guide cylinder forms a pumping cylinder with a closed outer end, the pumping end and the pumping cylinder cooperate to compress gas, and the engine further pumps the gas. A valve assembly that supplies the cylinder and discharges compressed gas from the pumping cylinder; and is in fluid communication with the valve assembly and the intake system, and supplies compressed gas from the pumping cylinder to the combustion chamber for engine overload. The engine according to claim 1, further comprising a compressed gas conduit for supplying air.   The compressed gas conduit has a compression plenum in fluid communication with a valve assembly, compressed air from a compression cylinder flows into the compression plenum, the compression plenum is in fluid communication with an intake system, and the intake system is compressed The engine according to claim 2, wherein the engine is operated to introduce the combusted air-fuel mixture into the combustion cylinder.   4. The engine of claim 3, further comprising an exhaust relief valve that is in fluid communication with the compression plenum and that is selectively actuated to exhaust compressed air from the compression plenum.   The engine according to claim 1, wherein the combustion end, the guide end, and the intermediate portion of the double-headed piston are rigidly connected to each other.   2. The cam surface according to claim 1, wherein the cam surface has at least one top dead center portion, and the top dead center portion is linearly shorter than when the cam surface is formed in a sine wave shape. engine.   The cam surface forms at least one compression stroke and one expansion stroke, and the compression stroke is slower and the expansion stroke is faster than when the cam surface is formed in a sinusoidal shape. The listed engine.   The cam surface forms an explosion top dead center and a breathing top dead center. The breathing top dead center is greater than the distance of the explosion top dead center from the closed outer end of the combustion cylinder. The engine of claim 1, wherein the engine is remote from the engine.   The apparatus further comprises a variable compression device that operates on both sides of the track to adjust the compression ratio so as to move the track in an axial direction toward and away from the inner end of the combustion cylinder. Item 1. The engine according to Item 1.