Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture
Patent
1987-09-09
1988-11-08
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Crankcase vapor used with combustible mixture
123478, 123494, F02M 2506, F02M 5100, F02D 4104
Patent
active
047828102
ABSTRACT:
A fuel injection system for an internal combustion engine having the normal crankshaft and plurality of cylinders each with an intake passage and an exhaust passage. An intake stroke detector is provided for detecting if a particular cylinder of the engine is experiencing an intake stroke. Responsive to an intake stroke being detected, a fuel injector is actuated to inject fuel into the intake passage of the particular cylinder during its intake stroke. The engine is equipped with an exhaust gas recirculation system for recirculating a part of exhaust gases from the exhaust passage to the intake passage of each cylinder. A fuel injection timing control mechanism is provided for advancing the fuel injection timing responsive to operation of the exhaust gas recirculation system to control the fuel injection period relative to the intake stroke.
REFERENCES:
patent: 4306533 (1981-12-01), Matsumoto et al.
patent: 4388909 (1983-06-01), Ogasawara et al.
patent: 4608955 (1986-09-01), Ohtaki et al.
patent: 4620519 (1986-11-01), Nagao et al.
patent: 4624229 (1986-11-01), Matekunas
patent: 4644926 (1987-02-01), Sakurai et al.
Sasaki Yasunori
Shimoda Shigeaki
Tomii Tatsuya
Mazda Motor Corporation
Wolfe Willis R.
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