Internal-combustion engines – Precombustion and main combustion chambers in series – Having combustible mixture forming means
Patent
1994-07-21
1996-04-09
Nelli, Raymond A.
Internal-combustion engines
Precombustion and main combustion chambers in series
Having combustible mixture forming means
F02F 326
Patent
active
055051731
ABSTRACT:
A spark ignition engine with a fuel injector for injecting fuel directly into the cylinder comprising a hollow combustion chamber formed on an upper surface of a piston, an ignition plug inserted into the vicinity of the side wall of the combustion chamber at an ignition timing by the movement of the piston, a fuel injector for injecting fuel toward the side wall of the combustion chamber in at least one predetermined engine driving condition, and at least one fuel guide passage for leading fuel injected by the fuel injector into the vicinity of the inserting position, in the combustion chamber, into which the ignition plug is inserted. The fuel guide passage passes through the vicinity of said inserting position. Each wall constructing the fuel guide passage and each extended phantom surface of each wall are arranged not to cross the ignition portion provided at the tip of the ignition plug in spite of the piston position.
REFERENCES:
patent: 4522173 (1985-06-01), Agachi
patent: 4920937 (1990-05-01), Sasaki et al.
patent: 5170759 (1992-12-01), Ito
Sasaki Shizuo
Ueda Takanori
Nelli Raymond A.
Toyota Jidosha & Kabushiki Kaisha
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