Regulated flow canister purge system

Details Regulated flow canister purge system Regulated flow canister purge system

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 25/08 (2006.01) F02D 41/00 (2006.01) F02B 61/04 (2006.01)

Patent

CA 2071925

2071925 9109221 PCTABS00005 The evaporative emission control system for an internal combustion engine purges the vapor collection canister to the intake manifold through a purge regulator controlled by the engine ECU. The purge regulator comprises a diaphragm valve and an electronic vacuum regulator. The purge regulator functions to allow a purge flow rate correlated with a control signal from the engine ECU and manifold vacuum, to maintain the purge flow rate substantially constant in response to certain changes in the magnitude of manifold vacuum, and to re-adjust the purge flow rate in correlation with changes in the control signal from the engine ECU.

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