Method and apparatus for the automated testing of vehicle...

Details Method and apparatus for the automated testing of vehicle... Method and apparatus for the automated testing of vehicle...

G - Physics

01

M

G01M 15/00 (2006.01) F02M 25/08 (2006.01) G01M 3/04 (2006.01)

Patent

CA 2088030

A method and apparatus for the testing of a vehicle fuel evaporation control system, which typically includes a fuel tank, vapor adsorption canister and purge valve, consisting of the introduction of a non-reactive gas into the control system and the subsequent monitoring of the engine exhaust during operation for presence of the gas. The operating parameters of the engine may be varied to determine parameter-associated operation of the control system. In addition, the quantity of gas admitted into the system may be compared to that exiting the exhaust to provide a quantitative measurement of the integrity of the control system.

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