F - Mech Eng,Light,Heat,Weapons – 02 – P
Patent
F - Mech Eng,Light,Heat,Weapons
02
P
123/9, 123/235.1
F02P 9/00 (2006.01) F02B 17/00 (2006.01) F02B 19/10 (2006.01) F02B 51/04 (2006.01) F02P 15/00 (2006.01) F02B 1/04 (2006.01) F02B 23/08 (2006.01) F02B 75/02 (2006.01)
Patent
CA 1077791
ABSTRACT An internal combustion engine ignition apparatus includes a secondary spark plug having a center electrode to which a high voltage is applied. A cylindrical peripheral electrode surrounds the center electrode and has peripheral openings. Upon the formation of a corona discharge due to the high voltage applied to the center electrode, a strong ionic wind and convection of an air-fuel mixture are produced. The ionic wind causes fuel constituents to be gathered in the vicinity of the peripheral electrode thus preventing production of hydrocarbons due to cooling or quenching of the fuel on the combustion chamber wall. Initial ignition of the air-fuel mixture is by means of a main spark plug. The resultant flames are propagated to the corona discharge portion of the secondary spark plug. The corona discharge is then changed to secondary continuous spark discharge, to thereby positively fire the stratified air-fuel mixture.
263838
Abe Michio
Maeda Naoyuki
LandOfFree
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