Compartmental evaporative canister and pressure control valve as

Details Compartmental evaporative canister and pressure control valve as Compartmental evaporative canister and pressure control valve as

1991-05-20

1992-09-22

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123198D, 55387, F02M 3302

Patent

active

051487934

ABSTRACT:
A fuel vapor storage canister to prevent breakthrough evaporative emission loss and facilitate purging by concentrating the fuel vapor close to the vent to the engine. The canister is divided into two compartments which communicate through a connective means that only allows vapor into the second compartment when a control valve, located in the connective means, opens at a threshold pressure.

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