Fuel injection type multiple cylinder engine unit

Details Fuel injection type multiple cylinder engine unit Fuel injection type multiple cylinder engine unit

1992-03-03

1994-11-15

Cross, E. Rollins

Internal-combustion engines

Two-cycle

Rear compression

F02M 3510, F01M 302

Patent

active

053638140

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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