Patent ID: 9435243
Filing Date: 2016-09-06
CPC Classification: B05B,F01N,Y02T

Claim Text:
1. An apparatus for cooling a metering module ( 10 ), the apparatus comprising a metering valve ( 30 ), wherein the metering module ( 10 ) is assigned a cooling device which comprises a heat sink ( 17 , 20 , 24 , 28 , 29 ) through which a cooling fluid flows, wherein the heat sink ( 17 , 20 , 24 , 28 , 29 ) forms a housing ( 12 ) of the metering valve ( 30 ), wherein a first group of parts ( 17 , 20 , 28 ) of the housing forms an air gap insulation ( 38 ; 54 , 56 , 58 ) at least partially surrounding an electric contact ( 16 , 56 ) and a second group of parts ( 28 , 29 , 40 , 64 ) of the housing defines a cavity ( 44 ), the cavity ( 44 ) having the cooling fluid flowing therethrough, wherein the cavity ( 44 ) at least partially surrounds the air gap insulation ( 38 ; 54 , 56 , 58 ), wherein the cavity ( 44 ) and the air gap insulation ( 38 ; 54 , 56 , 58 ) share a common wall ( 64 ), wherein the air gap insulation ( 38 ; 54 , 56 , 58 ) is arranged on an interior of the common wall ( 64 ), wherein the cavity ( 44 ) is arranged on an exterior of the common wall ( 64 ), and wherein the heat sink comprises an upper shell ( 20 ), a latchable plug-in contact cover ( 17 ), a central shell ( 28 ), a lower shell ( 29 ), and a cup-shaped insert ( 24 ) embedded in the lower shell ( 29 ).