Evaporating fuel control device for vehicles

Details Evaporating fuel control device for vehicles Evaporating fuel control device for vehicles

1992-12-23

1993-12-14

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123516, F02M 3704

Patent

active

052692795

ABSTRACT:
Hydrocarbons (HC) absorbed in a canister are purged fully by correcting and controlling a duty percent from a base map for increasing a rate of purging evaporating fuel from the canister when one or more of the conditions indicative of an increase of evaporating fuel are detected so that degradation of the canister's performance can be prevented, release of hydrocarbons (HC) from the canister to atmosphere can be prevented by eliminating inadequate purge, and durability of the canister can be improved.

REFERENCES:
patent: 4318383 (1982-03-01), Iratani
patent: 4867126 (1989-09-01), Yonekawa
patent: 4945885 (1990-08-01), Gonze
patent: 5020503 (1991-06-01), Kanasashi
patent: 5085194 (1992-02-01), Kuroda
patent: 5143035 (1992-09-01), Kayanuma
patent: 5143040 (1992-09-01), Okawa

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