F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
F02B 19/00 (2006.01) F02B 19/10 (2006.01) F02B 19/12 (2006.01) F02F 1/24 (2006.01) F02M 51/06 (2006.01) F02M 61/04 (2006.01) F02M 61/08 (2006.01) F02M 61/16 (2006.01) F02M 67/02 (2006.01) F02M 67/12 (2006.01) F02M 69/04 (2006.01) F02M 69/08 (2006.01) F02M 69/10 (2006.01) F02B 23/08 (2006.01) F02B 75/12 (2006.01)
Patent
CA 2235653
A fuel injection internal combustion engine is provided with a sub-combustion chamber in communication with a main combustion chamber. A mixture switching valve is provided for injecting the mixture of the fuel and compressed air, and a spark plug is arranged in the sub-combustion chamber. The sub-combustion chamber is formed of a material having a thermal conductivity which is lower than that of the material forming the main combustion chamber. The combustion efficiency is enhanced even when the fuel is injected to the sub-combustion chamber from the mixture switching valve with low pressure compressed air. An injecting device directly and intermittently injects mixture gas into the sub-combustion chamber. The injecting device is a mixture gas injection device including a pressure accumulating chamber adjacent to the sub- combustion chamber and to which pressure air is filled, an opening or closing valve to cause the pressure accumulating chamber to be communicated with the sub-combustion chamber in such a way that they may be opened or closed, and a fuel injecting valve for injecting fuel into the pressure accumulating chamber. Mixture gas with an air-fuel ratio adapted for an operating state of the engine over a wide operating range is supplied to the combustion chamber. A volumetric ratio of each of the sub-combustion chamber and the main combustion chamber is set within a range of 2:8 to 6:4. A discharging amount of hydrogen carbide is less and a high efficiency can be attained.
Nishikawa Yutaka
Takada Yoshihiro
Tsushima Yuji
Ueda Minoru
Yamashita Hiroshi
Dennison Associates
Honda Giken Kogyo Kabushiki Kaisha
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