Jacket Housing of exhaust gas device of a motor vehicle

Abstract

Jacket housing of an exhaust gas device of a motor vehicle, particularly an exhaust muffler or an exhaust gas catalyst of an automobile, with a jacket manufactured from a sheet blank. At least the longitudinal connection of the jacket manufactured from the sheet blank includes a laser weld seam.

1 . Jacket housing ( 1 ) of an exhaust gas device of a motor vehicle comprising a jacket manufactured from a sheet blank, 
 wherein 
 at least a longitudinal connection of the jacket ( 2 ) is manufactured from the sheet blank and comprises a laser weld seam ( 3 ).  
   
     
     
         2 . Jacket housing according to  claim 1 , wherein the exhaust gas device comprises an exhaust muffler or an exhaust gas catalyst of an automobile.  
     
     
         3 . Jacket housing according to  claim 1 , wherein the jacket ( 2 ) comprises at least two cut blanks ( 5 ,  6 ) which are assembled in at least one of abutment, double-walled or multiple-walled, and/or overlapping, and are laser welded at connecting edges.  
     
     
         4 . Jacket housing according to  claim 1 , wherein at least one of pipe unions, connecting funnels ( 7 ), end bottoms ( 8 ) and inner intermediate bottoms ( 9 ) of the jacket housing ( 1 ) with the jacket ( 2 ) are connected together by laser weld seams ( 10 ,  11 ,  12 ).  
     
     
         5 . Jacket housing according to  claim 1 , wherein all connection places of the jacket housing ( 1 ) are laser welded.