Cabin air compressor heat housing

Abstract

A cabin air compressor heat housing for a cabin air compressor assembly includes a compressor inlet extending from a body of the cabin air compressor heat housing. The cabin air compressor heat housing also includes an add-heat valve interface extending transversely from the compressor inlet. The cabin air compressor heat housing further includes a diffuser actuator interface formed in the body of the cabin air compressor heat housing. A ratio of a diameter of the compressor inlet to a diameter of the diffuser actuator interface is between 1.90 and 1.98.

1 . A cabin air compressor heat housing comprising:
 a compressor inlet extending from a body of the cabin air compressor heat housing;   an add-heat valve interface extending transversely from the compressor inlet; and   a diffuser actuator interface formed in the body of the cabin air compressor heat housing, wherein a ratio of a diameter of the compressor inlet to a diameter of the diffuser actuator interface is between 1.90 and 1.98.   
     
     
         2 . The cabin air compressor heat housing of  claim 1 , wherein a ratio of a diameter of the add-heat valve interface to the diameter of the diffuser actuator interface is between 1.40 and 1.42. 
     
     
         3 . The cabin air compressor heat housing of  claim 2 , wherein a ratio of the diameter of the compressor inlet to the diameter of the add-heat valve interface is between 1.35 and 1.40. 
     
     
         4 . The cabin air compressor heat housing of  claim 1 , further comprising a seal groove formed in the diffuser actuator interface. 
     
     
         5 . The cabin air compressor heat housing of  claim 4 , wherein a ratio of the diameter of the diffuser actuator interface to a width of the seal groove is between 16.71 and 18.11. 
     
     
         6 . The cabin air compressor heat housing of  claim 5 , wherein a ratio of the width of the seal groove to a depth of the seal groove is between 1.44 and 1.71. 
     
     
         7 . The cabin air compressor heat housing of  claim 1 , wherein the compressor inlet, the body of the cabin air compressor heat housing, the add-heat valve interface, and the diffuser actuator interface are formed of a unitary structure. 
     
     
         8 . A cabin air compressor assembly comprising:
 a cabin air compressor heat housing coupled to a cabin air compressor housing, the cabin air compressor heat housing comprising:
 a compressor inlet extending from a body of the cabin air compressor heat housing; 
 an add-heat valve interface extending transversely from the compressor inlet; and 
 a diffuser actuator interface formed in the body of the cabin air compressor heat housing, wherein a ratio of a diameter of the compressor inlet to a diameter of the diffuser actuator interface is between 1.90 and 1.98. 
   
     
     
         9 . The cabin air compressor assembly of  claim 8 , wherein a ratio of a diameter of the add-heat valve interface to the diameter of the diffuser actuator interface is between 1.40 and 1.42. 
     
     
         10 . The cabin air compressor assembly of  claim 9 , wherein a ratio of the diameter of the compressor inlet to the diameter of the add-heat valve interface is between 1.35 and 1.40. 
     
     
         11 . The cabin air compressor assembly of  claim 8 , further comprising:
 a diffuser actuator;   a sealing member; and   a seal groove formed in the diffuser actuator interface, wherein the diffuser actuator is coupled to the diffuser actuator interface and the sealing member is compressed in the seal groove between the diffuser actuator interface and the diffuser actuator.   
     
     
         12 . The cabin air compressor assembly of  claim 11 , wherein a ratio of the diameter of the diffuser actuator interface to a width of the seal groove is between 16.71 and 18.11. 
     
     
         13 . The cabin air compressor assembly of  claim 12 , wherein a ratio of the width of the seal groove to a depth of the seal groove is between 1.44 and 1.71. 
     
     
         14 . The cabin air compressor assembly of  claim 8 , wherein the compressor inlet, the body of the cabin air compressor heat housing, the add-heat valve interface, and the diffuser actuator interface are formed of a unitary structure. 
     
     
         15 . A method of installing a cabin air compressor heat housing in a cabin air compressor assembly comprising:
 coupling a cabin air compressor heat housing to a cabin air compressor housing of the cabin air compressor assembly, the cabin air compressor heat housing comprising:
 a compressor inlet extending from a body of the cabin air compressor heat housing; 
 an add-heat valve interface extending transversely from the compressor inlet; and 
 a diffuser actuator interface having a seal groove formed in the body of the cabin air compressor heat housing, wherein a ratio of a diameter of the compressor inlet to a diameter of the diffuser actuator interface is between 1.90 and 1.98; 
   inserting a sealing member into the seal groove of the diffuser actuator interface;   coupling a diffuser actuator to the diffuser actuator interface; and   compressing the sealing member in the seal groove between the diffuser actuator interface and the diffuser actuator.   
     
     
         16 . The method of  claim 15 , wherein a ratio of a diameter of the add-heat valve interface to the diameter of the diffuser actuator interface is between 1.40 and 1.42. 
     
     
         17 . The method of  claim 16 , wherein a ratio of the diameter of the compressor inlet to the diameter of the add-heat valve interface is between 1.35 and 1.40. 
     
     
         18 . The method of  claim 15 , wherein a ratio of the diameter of the diffuser actuator interface to a width of the seal groove is between 16.71 and 18.11. 
     
     
         19 . The method of  claim 18 , wherein a ratio of the width of the seal groove to a depth of the seal groove is between 1.44 and 1.71. 
     
     
         20 . The method of  claim 15 , wherein the compressor inlet, the body of the cabin air compressor heat housing, the add-heat valve interface, and the diffuser actuator interface are formed of a unitary structure, and further comprising:
 coupling an add-heat valve to the add-heat valve interface.