Turbocharged compression ignition engine

Abstract

A component for a turbocharger ( 12 ) includes a housing ( 14 ) defining a chamber ( 16 ) for a predetermined part of the turbocharger ( 12 ). A jacket ( 24 ) surrounds the housing ( 14 ) and is arranged in a spaced relationship relative to an outer surface ( 26 ) of the housing ( 14 ) to define a fluid path ( 28 ) about the outer surface of the housing ( 14 ). The fluid path ( 28 ) has a fluid inlet ( 30 ) and a fluid outlet ( 32 ). This allows the turbocharger component to remain cooler. Also there is defined a flame trap ( 34 ) having an housing ( 36 ) which is double skinned (inner skin 46 and outer skin 48 ) forming a fluid flow path ( 52 ), having fluid inlet ( 50 ) and fluid outlet ( 54 ). The flame trap ( 34 ) is configured to engage the air outlet ( 22 ) of the turbocharger ( 12 ) and also engage the inlet of an after cooler ( 44 ).

1 . A component for a turbocharger, the component including: 
 a housing defining a chamber for a predetermined part of the turbocharger; and    a jacket surrounding the housing, the jacket being arranged in a spaced relationship relative to an outer surface of the housing to define a fluid path about the outer surface of the housing, the fluid path having a fluid inlet and a fluid outlet.    
   
   
       2 . The component according to  claim 1 , in which the fluid path has the fluid outlet situated at a furthermost position on the housing from the fluid inlet.  
   
   
       3 . The component according to  claim 1 , in which the housing is a compressor housing of the turbocharger and has an air inlet for receiving uncompressed air and an air outlet for discharging compressed air to an engine.  
   
   
       4 . The component according to claims  1 , in which the jacket is of aluminium and is attached to the housing by welding.  
   
   
       5 . A turbocharger including a component comprising a housing defining a chamber for a predetermined part of the turbocharger, and a jacket surrounding the housing, the jacket being arranged in a spaced relationship relative to an outer surface of the housing to define a fluid path about the outer surface of the housing, the component having a fluid inlet and a fluid outlet.  
   
   
       6 . A flame trap housing for a flame trap of a compression ignition engine, the housing having an inlet configured to engage an air outlet of a turbocharger and an outlet configured to engage an inlet of an inlet after-cooler, the housing being double skinned, having an inner skin defining a flame trap compartment and an outer skin arranged in a spaced relationship relative to the inner skin, to define a fluid path for the flow of a cooling fluid about the inner skin of the housing.  
   
   
       7 . The housing according to  claim 6 , which defines a cooling fluid inlet and a cooling fluid outlet of the fluid path.  
   
   
       8 . The housing according to  claim 7 , in which the cooling fluid outlet is situated at a furthermost position on the housing relative to the cooling fluid inlet.  
   
   
       9 . A fluid input assembly for a compression ignition engine, the assembly including: 
 a turbocharger;    a flame trap including a housing comprising an inlet connected to an air outlet of a turbocharger and an outlet configured to engage an inlet of an inlet after-cooler, the housing being double skinned and having an inner skin defining a flame trap compartment and an outer skin arranged in a spaced relationship relative to the inner skin, to define a fluid path for the flow of a cooling fluid about the inner skin of the housing; and    an inlet after-cooler connected to an outlet of the flame trap housing.    
   
   
       10 . The assembly as claimed in  claim 9  in which the turbocharger includes a component comprising a turbocharger housing defining a chamber for a predetermined part of the turbocharger; and a jacket surrounding the turbocharger housing, the jacket being arranged in a spaced relationship relative to an outer surface of the turbocharger housing to define a fluid path about the outer surface of the turbocharger housing, the component having a cooling fluid inlet and a cooling fluid outlet.  
   
   
       11 . The assembly as claimed in  claim 10 , in which the cooling fluid outlet of the turbocharger housing of the component is in fluid communication with a cooling fluid inlet of the housing of the flame trap.  
   
   
       12 . A compression ignition engine which includes the fluid input assembly as claimed in claims  9 .