Turbocharger having a turbocharger housing comprising a threaded connection by means of an anchor

Abstract

A turbocharger has a turbocharger housing with a bearing housing and at least one impeller housing. The bearing housing and the impeller housing are screwed together by way of a screw anchor connection, and at least one head of an anchor of the screw anchor connection is covered by a cover element.

1 - 12 . (canceled) 
   
   
       13 . A turbocharger, comprising:
 a turbocharger housing formed with a bearing housing and at least one impeller housing;   a tie-rod connection between said bearing housing and said impeller housing screwing said bearing housing and said impeller housing to one another;   said tie-rod connection including a threaded tie-rod having at least one head; and   a cover element disposed to cover said at least one head of said threaded tie-rod of said tie-rod connection and for reducing, or preventing, turbulence of air and/or exhaust gas flowing past.   
   
   
       14 . The turbocharger according to  claim 13 , wherein said impeller housing is at least one of a turbine housing and a compressor housing. 
   
   
       15 . The turbocharger according to  claim 13 , wherein said cover element covers one head of said tie-rod at least partially or completely. 
   
   
       16 . The turbocharger according to  claim 13 , wherein said tie-rod is one of a plurality of tie-rods each having a head, and said cover element is configured to cover a plurality or all of said heads of said plurality of tie-rods at least partially or completely. 
   
   
       17 . The turbocharger according to  claim 13 , wherein said cover element is at least partially closed. 
   
   
       18 . The turbocharger according to  claim 13 , wherein said cover element is completely closed. 
   
   
       19 . The turbocharger according to  claim 13 , wherein said cover element is formed with at least one opening configured to enable a tool to engage the respective said tie-rod. 
   
   
       20 . The turbocharger according to  claim 13 , which comprises a holder disposed on said impeller housing and/or said bearing housing, and wherein said cover element is positioned in said holder. 
   
   
       21 . The turbocharger according to  claim 13 , wherein said cover element forms a part of a wall of a diffuser of said impeller housing. 
   
   
       22 . The turbocharger according to  claim 13 , wherein said cover element is a cover sheet. 
   
   
       23 . The turbocharger according to  claim 13 , wherein said cover element is a stopper element for covering a head of a tie-rod. 
   
   
       24 . The turbocharger according to  claim 23 , wherein said stopper element has the form of a cap enclosing said head of said tie-rod. 
   
   
       25 . The turbocharger according to  claim 23 , wherein said head of said tie-rod is a screw head. 
   
   
       26 . The turbocharger according to  claim 23 , wherein said stopper element has a plate formed with a projection for insertion into said head of said tie-rod, enabling said plate to be level with said head or to project beyond said head. 
   
   
       27 . The turbocharger according to  claim 26 , wherein said stopper element is formed to cover said head and a counter-bore formed in said bearing housing at least partially or completely. 
   
   
       28 . The turbocharger according to  claim 13 , wherein said cover element is formed of, or contains, at least one material selected from the group consisting of a metal, a metal alloy, plastic, and rubber. 
   
   
       29 . The turbocharger according to  claim 13 , wherein said cover element is made of hard rubber or contains hard rubber.