Evaporative emission control system for internal combustion engi

Details Evaporative emission control system for internal combustion engi Evaporative emission control system for internal combustion engi

1994-11-09

1995-09-05

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123198D, F02M 3302

Patent

active

054471419

ABSTRACT:
An evaporative emission control system for an internal combustion engine detects abnormality of the system based on pressure within a purging passage at a location between a purge control valve arranged therein and an intake passage of the engine, and pressure within a canister for adsorbing evaporative fuel generated from a fuel tank of the engine, when it delivers a valve opening command to open the purge control valve.

REFERENCES:
patent: 5158054 (1992-10-01), Otsuka
patent: 5172672 (1992-12-01), Harada
patent: 5178117 (1993-01-01), Fujimoto
patent: 5215061 (1993-06-01), Ogawa
patent: 5259355 (1993-11-01), Nakashima
patent: 5299544 (1994-04-01), Kitamoto
patent: 5359980 (1994-11-01), Tomisawa

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