Fuel supply system for internal combustion engine

Details Fuel supply system for internal combustion engine Fuel supply system for internal combustion engine

2006-03-21

2006-03-21

Mohanty, Bibhu (Department: 3747)

Internal-combustion engines

Engine speed regulator

Idle speed control

C123S543000, C123S545000, C123S549000, C123S179210

Reexamination Certificate

active

07013869

ABSTRACT:
The present invention provides an electronically-controlled fuel injector, for an internal combustion engine, comprising a downstream fuel injection valve located near an air intake port of each cylinder or inside a cylinder, an air intake passage which bypasses the throttle valve located upstream of a downstream fuel injection valve, and a fuel vaporizing section including an upstream fuel injection valve, and a heater which vaporizes fuel injected from the upstream fuel injection valve; and further having an air intake port located upstream of the throttle valve, air flow control section for controlling an amount of air, said fuel vaporizing section, vaporized-fuel branch section for supplying vaporized fuel to each cylinder, and a vaporized-fuel distribution passage which extends from the vaporized-fuel branch section to an opening located in each air intake pipe located downstream of the throttle valve.

REFERENCES:
patent: 5873354 (1999-02-01), Krohn et al.
patent: 5894832 (1999-04-01), Nogi et al.
patent: 6776142 (2004-08-01), Sukegawa et al.

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