Patent ID: 6098474
Filing Date: 2000-08-08
Classification: G01D,Y10T

Abstract:
An enclosure for a component exposed to fluid conditions, comprising:a faceplate having a wall for attaching said enclosure to a support structure;a bulkhead for attachment to said faceplate and for defining, in combination with said faceplate, a first compartment; anda cover for attachment to said faceplate and for defining, in combination with said bulkhead, a second compartment;wherein said faceplate includes a cylindrical wall extending along an axis of rotation transversely to the faceplate attaching wall, and the cylindrical wall has an outer surface, and first and second channels extending radially inwardly and circumferentially about the outer surface; andwherein the first channel is defined by the faceplate attaching wall and an opposed, axially spaced apart first shoulder extending radially outwardly from the cylindrical wall, and the second channel is defined by the first shoulder and an opposed, axially spaced apart second shoulder extending radially outwardly from the cylindrical wall, wherein the first shoulder is axially intermediate the faceplate attaching wall and the said second shoulder and has a radially outer end; andwherein the second shoulder includes a slot extending circumferentially about and axially therethrough, the slot providing fluid communication between the first compartment and atmosphere external to said enclosure, wherein the slot is radially inward of the outer end of the first shoulder.