Fuel supply for injected marine engine

Details Fuel supply for injected marine engine Fuel supply for injected marine engine

1998-06-10

2000-03-07

Miller, Carl S.

Internal-combustion engines

Charge forming device

With fuel pump

123495, F02M 3704

Patent

active

060326549

ABSTRACT:
A fuel supply system for an internal combustion engine mounted in a cowling of a marine device is disclosed. The engine has a body defining at least one combustion chamber and an output shaft arranged to drive a water propulsion device of the marine device. The engine has an intake system supplying air to the combustion chamber. The fuel supply system includes at least one fuel injector providing fuel to the engine for combustion with the air. Various configurations for at least two pumps used to deliver fuel from a fuel source to the fuel injector(s) which contribute to reduced vapor production and improved pumping efficiency are disclosed.

REFERENCES:
patent: 4811717 (1989-03-01), Nakahama
patent: 5239967 (1993-08-01), Adam
patent: 5259352 (1993-11-01), Gerharoy
patent: 5309885 (1994-05-01), Rawlings
patent: 5355859 (1994-10-01), Weber
patent: 5404858 (1995-04-01), Kato
patent: 5450831 (1995-09-01), Furuoka
patent: 5669358 (1997-09-01), Osakabe

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