Fuel vapor control for automotive vehicle engine

Details Fuel vapor control for automotive vehicle engine Fuel vapor control for automotive vehicle engine

1989-01-30

1991-05-14

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123519, F02M 3900

Patent

active

050146742

ABSTRACT:
A vapor flow control apparatus which delivers fuel vapor from a vapor storate canister to an air intake chamber of an engine comprises a vapor flow control valve for increasingly delivering fuel vapor from the vapor storage canister into the air intake chamber according to an increase of intake air conducted into the air intake chamber, an acceleration detector for detecting an acceleration of the engine based on an increasing change of intake air conducted in the air intake pipe, and a control unit for controlling the vapor flow control valve to effect the increasing delivery of fuel vapor. The delivery of fuel vapor occurs lagging behind the increase of intake air when an acceleration of the engine is accelerated.

REFERENCES:
patent: 4630581 (1986-12-01), Shibata
patent: 4817576 (1989-04-01), Abe

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