US 7,320,297 B2
Internal combustion engine
Junichi Kamio, Wako (Japan); Yukihiko Kiyohiro, Wako (Japan); and Takashi Bannai, Wako (Japan)
Assigned to Honda Motor Co., Ltd., Tokyo (Japan)
Filed on Aug. 02, 2006, as Appl. No. 11/497,426.
Claims priority of application No. 2005-231521 (JP), filed on Aug. 10, 2005.
Prior Publication US 2007/0034192 A1, Feb. 15, 2007
Int. Cl. F02B 1/12 (2006.01)
U.S. Cl. 123—1A  [123/27 R] 8 Claims
OG exemplary drawing
 
1. An internal combustion engine comprising:
intake ports that guide combustion exhaust gas to a combustion chamber; and
two injectors that inject fuels to said intake ports,
wherein said injectors comprise a first injector that injects a hydrocarbon fuel and a second injector that injects an alcohol fuel,
wherein said intake ports comprise a first intake port that guides said hydrocarbon fuel injected from the first injector to an inner peripheral portion of said combustion chamber, and a second intake port that guides said alcohol fuel injected from the second injector to an outer peripheral portion of said combustion chamber.