Fuel puddle suction system for fuel injected engine
Patent
·
OSTI ID:6411123
A marine fuel system is described for a two cycle crankcase compression internal combustion engine having an induction system for supplying combustion air to the engine and fuel injection means for mixing fuel with the combustion air. The fuel system is comprised of a fuel pump connected to draw fuel from the fuel tan and supply fuel under pressure to the fuel injection means, pressure regulator means regulating the output pressure of the fuel pump means at the fuel injection means and returning excess fuel through an excess fuel return line to the fuel pump means for recirculation. The puddle removal system consists of a puddled fuel return line having an inlet connected to the crankcase and receiving puddled fuel including heavy fuel ends, and having an outlet connected to the excess fuel return line such that excess fuel flow from the full injection means back to the fuel pump means through the excess fuel return line creates a vacuum at the outlet of the puddled fuel return line to suction puddled fuel therethrough for recirculation to the fuel pump means.
- Assignee:
- Brunswick Corp., Skokie, IL
- Patent Number(s):
- US 4794888
- OSTI ID:
- 6411123
- Country of Publication:
- United States
- Language:
- English
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