Internal-combustion engines – Starting device – Auxiliary fuel supply device
Patent
1991-05-08
1992-10-27
Dolinar, Andrew M.
Internal-combustion engines
Starting device
Auxiliary fuel supply device
12317918, F02M 110
Patent
active
051580519
ABSTRACT:
Disclosed is a fuel supply system for an internal combustion engine having a fuel tank, a combustion chamber defined in an engine cylinder, and an air intake passage communicating with the combustion chamber. The fuel supply system comprises a main fuel passage communicating the fuel tank and the air intake passage, first supply mechanism provided on the main fuel passage for supplying main fuel from the fuel tank to the air intake passage responsive to the cranking of the engine a starting fuel passage defined separate from the main fuel passage and communicating with the air intake passage and the main fuel passage, and second supply mechanism provided on the starting fuel passage for supplying a predetermined amount of starting fuel into the air intake passage, in addition to the supply of main fuel, responsive to the temperature of the engine cylinder upon starting of the engine. The main fuel passage and the starting fuel passage communicate with the venturi portion of the air intake passage so that the supply of both main fuel and starting fuel into the intake air passage is performed at the venturi portion.
REFERENCES:
patent: 3614945 (1971-10-01), Schlagmuller et al.
patent: 3704702 (1972-12-01), Aono
patent: 4216175 (1980-08-01), Schauer
patent: 4554896 (1985-11-01), Sougawa
patent: 5048477 (1991-09-01), Wada et al.
Morooka Isao
Wada Minoru
Yamagishi Tetsuo
Dolinar Andrew M.
Komatsu Zenoah Kabushiki Kaisha
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