Method for manufacturing an exhaust system and exhaust system
AssigneeFaurecia Emissions Control Technologies, Germany GmbH
InventorAlfred Blueml
Life of this patent
Estimating the term…
Abstract
An exhaust system is manufactured in the following manner. Initially, a plurality of pipe sections are put into each other with a clearance fit, so that connecting points are formed, at which two pipe sections overlap each other. The pipe sections then are calibrated at the connecting points, so that a narrow gap is obtained. Subsequently, the connecting points are soldered. The exhaust system thus includes a plurality of pipe sections which are put into each other and soldered to each other. Outer pipe sections of the plurality of pipe sections are calibrated.
Claims9
A method for manufacturing an exhaust system including a plurality of pipe sections, comprising the following steps:
- selecting more than ten different pipe sections from a given construction set of pre-produced pipe sections as the plurality of pipe sections;
- putting the entire exhaust system together by putting each of the plurality of pipe sections into another respective pipe section with a clearance fit, so that connecting points are formed at which two pipe sections overlap each other;
- calibrating the pipe sections at all connecting points at the same time by applying a pressure onto an outer pipe of the two pipe sections in a radial inward direction so that at least the outer pipe of each connecting point is deformed plastically and a narrow gap is obtained between the overlapping pipes;
- and
- soldering all of the connecting points of the entire exhaust system at the same time.
Dependencies are inferred from the claim text.