Evaporated fuel control system in internal combustion engine

Details Evaporated fuel control system in internal combustion engine Evaporated fuel control system in internal combustion engine

1993-03-30

1994-10-18

Cross, E. Rollins

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

F02M 2508

Patent

active

053558626

ABSTRACT:
An evaporated fuel control system in internal combustion engines includes a canister filled with an adsorbent for adsorbing an evaporated fuel in a fuel tank, a purge amount control device provided in the middle of a purge passage connecting an intake passage and the canister, and a fuel supply device. The purge flow rate from the start of purging is integrated, and the purge amount is reduced to a larger extent in response to a purge amount integration value becoming smaller. This improves the nature of an exhaust gas immediately after the start of purging and the like.

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patent: 5215055 (1993-06-01), Orzel
patent: 5224456 (1993-07-01), Hosuda et al.

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