Patent ID: 7000449
Filing Date: 2006-02-21
Classification: G01M

Abstract:
1. A vehicle exhaust measurement system comprising: a conduit defined by an outer wall and having an conduit inlet and a conduit outlet; an make-up air tube connected to and in fluid communication with said conduit inlet, said make-up air tube providing make-up air for mixing with an exhaust gas; a mixed gas tube connected to and in fluid communication with said conduit outlet, said mixed gas tube conveying a mixture of the make-up air and the exhaust gas to analysis equipment; and an exhaust gas tube extending through said outer wall of said conduit, and a mixing plate disposed in at least one of said conduit and said mixed gas tube with said exhaust gas tube extending to a position adjacent to said mixing plate, said exhaust gas tube conveying the exhaust gas to said mixing plate to mix the exhaust gas and the make-up air at said mixing plate.