Supercharged internal combustion engine

Details Supercharged internal combustion engine Supercharged internal combustion engine

1984-01-23

1985-09-17

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123520, 123383, F02M 3900

Patent

active

045413967

ABSTRACT:
A control system for evaporated fuel in a supercharged internal combustion engine having a canister including a reservoir for temporarily accommodating evaporated fuel by adsorption, an intake manifold downstream from a throttle valve and an intake duct upstream from the throttle valve, the intake manifold being communicated with the canister through a first evaporated fuel supply passage having a first purge control valve and the intake duct being communicated with the canister through a second evaporated fuel supply passage having a second purge control valve, wherein the second purge control valve is opened to urge the canister in communication with the intake duct through the second evaporated fuel supply passage when the negative pressure within the intake duct has reached a predetermined value or more.

REFERENCES:
patent: 4059081 (1977-11-01), Kayanuma
patent: 4193383 (1980-03-01), Rogers
patent: 4446940 (1984-05-01), Sakakibara

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