F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
171/49
F02B 19/00 (2006.01) F02B 19/04 (2006.01) F02B 19/08 (2006.01) F02B 75/02 (2006.01) F02B 1/04 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1329780
ABSTRACT OF THE DISCLOSURE Title: Internal Combustion Engine An internal combustion engine has a pair of first and second cylinders (12,14) communicating with a combustion chamber (20) the first cylinder having a larger swept volume than the second cylinder. First and second pistons (16,18) are provided in the cylinders. An inlet port is provided in the first cylinder for delivering a charge of unthrottled fuel whilst a fuel injector (36) is controlled by a control means (37) to deliver a charge of fuel into the second cylinder (14) as soon as possible after commencement of an induction stroke of the second piston. Movement of the fuel/air mixture from the second cylinder (14) into the combustion chamber (20) is prevented until the second piston (18) is at or near its inner dead centre position. The second piston (18) may be formed as a protrusion on the crown of the first piston (16) with the second cylinder (14) being an extension of the first cylinder (12). The engine can be a compression ignition engine in which ignition takes place spontaneously in the combustion, chamber, or alternatively a catalyst or hot surface ignition means can be provided in the combustion chamber.
598906
Bereskin & Parr
Coventry University
Merritt Dan
LandOfFree
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