Patent ID: 8590152
Filing Date: 2013-11-26
Classification: F01N,Y02A,Y02T,Y10T

Abstract:
1. A method for manufacturing a member for purifying exhaust gas for an automobile exhaust line, the purification member comprising a substantially cylindrical enclosure defining a circulation channel for the exhaust gas, a substantially cylindrical exhaust gas purification unit arranged in the enclosure, and at least one support element that supports the exhaust gas purification unit, the exhaust gas purification unit having a side wall turned toward the enclosure and defining an annular space with the enclosure, the at least one support element being inserted into the annular space between the enclosure and the side wall of the exhaust gas purification unit, the method comprising the following steps: obtaining a first quantity representative of a mass of the exhaust gas purification unit; using at least the first quantity obtained to determine an installation density of the at least one support element in the annular space; determining at least one diameter of the enclosure as a function of the determined installation density; and assembling the enclosure, the at least one support element and the gas purification unit to obtain the diameter that was determined for the enclosure and the installation density that was determined for the at least one support element.