Patent ID: 6739184
Filing Date: 2004-05-25
Classification: F02M,G01M,G01N

Abstract:
A testing jig for testing engine exhaust gases to determine the effects of a variable in deposit formation, said testing jig comprising:a main branch having an inlet and an outlet, said inlet being connected to an engine exhaust outlet and said outlet being adapted for connection to an exhaust system; a plurality of side branches connected to said main branch, said plurality of side branches including at least one test branch and at least one control branch, said at least one test branch including a test branch inlet fluidly connected to said main branch at a first location along the length of the main branch and a test branch outlet fluidly connected to said main branch at a second, downstream location along the length of the main branch, said at least one control branch including a control branch inlet fluidly connected to said main branch at said first location and a control branch outlet fluidly connected to said main branch at said second location; wherein said main branch includes a first control valve disposed relatively between said first and second locations, said at least one test branch including a second control valve disposed adjacent said outlet, and said at least one control branch including a third control valve disposed adjacent said outlet.