F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
F02B 33/26 (2006.01) F01L 1/047 (2006.01) F01L 1/053 (2006.01) F01L 1/14 (2006.01) F01L 1/46 (2006.01) F02B 75/24 (2006.01) F02F 1/22 (2006.01)
Patent
CA 2395915
An internal combustion engine comprising at least one pair of pistons (20, 21) rotating, oscillating or reciprocating in cylinder assemblies (11, 12) joined by a crankcase (13), each piston (20, 21) being driven by a crankshaft housed in the crankcase (13), the crankcase (13) including an inlet port (63) for entry of an air fuel mixture and an outlet port (65) for transfer of compressed air fuel mixture, each cylinder (11, 12) having a combustion chamber (35) and at least one inlet (36) and at least one exhaust (36) valve port communicating with the combustion chamber (35), the inlet valve port (36) being in communication with the crankcase (13) via the crankcase outlet port (65) whereby the engine is adapted to run on a four stroke cycle with the underside of the piston (20, 21) pressurising the air fuel mixture in the crankcase (13) and causing transfer of the pressurised air fuel mixture to the combustion chamber (35) via the crankcase outlet port (65) and inlet valve port (36).
L'invention concerne un moteur à combustion interne comprenant au moins une paire de pistons (20, 21) rotatifs, oscillants ou alternatifs, situés dans des groupes cylindres (11, 12) reliés par un carter (13), chaque piston (20, 21) étant entraîné par un vilebrequin logé dans le carter (13). Le carter (13) comprend un orifice d'admission (63) destiné à l'entrée d'un mélange air-carburant et un orifice de sortie (65) destiné au transfert du mélange air-carburant comprimé. Chaque cylindre (11, 12) comprend une chambre de combustion (35), au moins un orifice d'entrée (36) et au moins un orifice d'échappement (36) en communication avec la chambre de combustion (35), l'orifice d'entrée (36) étant en communication avec le carter via l'orifice de sortie (65) du carter. Le moteur est conçu pour fonctionner selon un cycle à quatre temps, la face inférieure du piston (20, 21) comprimant le mélange air-carburant dans le carter (13) et entraînant le transfert du mélange air-carburant comprimé vers la chambre de combustion (35) via l'orifice de sortie (65) et l'orifice d'entrée (36) du carter.
Ecoforce Pty. Ltd.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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