High efficiency internal explosion engine

F - Mech Eng,Light,Heat,Weapons – 02 – B

Patent

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Details

F02B 75/26 (2006.01) F02B 19/06 (2006.01) F02B 75/40 (2006.01) F16C 3/06 (2006.01) F16C 3/18 (2006.01) F16C 3/22 (2006.01)

Patent

CA 2716808

A four-stroke, piston-powered internal explosion ('IE') en-gine for providing power output through a rotating crankshaft. The IE en-gine includes an engine block having power cylinders formed therein for receiving working pistons, bearing means for supporting the crankshaft, and a crankshaft supported within the bearing means having an output end extending outside of the engine block and a plurality of offset power cranks. The IE engine further includes connecting rods operably coupled to the power cranks and configured to transfer power from the working pis-tons to rotate the crankshaft, and working pistons that are received into the power cylinders and operably coupled to the power cranks. Each working piston has a head end positioned adjacent to a cylinder head to form a com-pression chamber and is configured to receive power from an explosion of a compressed volume of air/fuel mixture located within the compression chamber, and to transfer the received power to the connecting rods. The IE engine is further configured so that the compressed volume of air/fuel mix-ture is substantially constant, and a peak compression ratio is maintained, from an angular position of the rotating crankshaft of at least 20 degrees prior to a TDC position of a compression stroke, to an angular position of at least 20 degrees after the TDC position of a power stroke, and prior to detonation.

Moteur à combustion interne à quatre temps entraîné par pistons dont la puissance est transmise via un vilebrequin. Ledit moteur comprend un bloc dans lequel sont formés des cylindres qui reçoivent des pistons, des paliers supportant le vilebrequin,et un vilebrequin supporté par les paliers présentant une extrémité sortie hors du bloc moteur, et une pluralité de bielles motrices déportées. Ce moteur à combustion interne comprend en outre des bielles reliées fonctionnel à des manetons, qui sont conçues pour transférer la puissance développée par les pistons au vilebrequin et le faire tourner, et des pistons logés dans les cylindres et reliés fonctionnel aux manetons. Chacun des pistons comporte une extrémité tête adjacente à la tête de cylindre pour former un chambre de compression et est conçu pour recevoir la puissance produite par l'explosion d'un volume comprimé de mélange air/carburant dans la chambre de combustion et transférer cette puissance reçue aux bielles. De plus, ce moteur à combustion interne est conçu pour que le volume comprimé du mélange air/carburant soit sensiblement constant et pour maintenir un taux de compression maximum entre une position angulaire du vilebrequin d'au moins 20° avant PMH d'un temps de compression et une position angulaire d'au moins 20° après PMB d'un temps moteur avant explosion.

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