Fuel injection type multiple cylinder engine unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 15, 1994
Issued Date -
N/A
app pub date -
Mar 3, 1992
filing date -
Feb 7, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fuel injection type multiple cylinder engine unit includes an oil lubricating device including an oil tank and the oil in the oil tank is pumped up by a pump having an oil drain side to which pipes are connected for supplying the oil near the injectors. Each of the pipe has a front nozzle portion disposed at a portion near the front fuel jetting end of the injector and the fuel and the oil independently injected in an intake device of the engine unit are atomized and mixed with suitable mixture ratio. The intake device of the engine unit is provided with a surge tank which comprises a main surge tank formed integrally with an inlet manifold and sub-surge tanks formed by forming recesses between the respective adjacent intake pipes in association with the inlet manifold. The main surge tank and the sub-surge tanks are communicated with each other to thereby increase the total inner volume of the surge tank.
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