Patent ID: 6010132
Filing Date: 2000-01-04
Classification: F01D,F05D,F16J

Abstract:
A seal comprising:a first rotary part rotating about an axis and a second stationary part, said second part being stationary about said axis, radially directed flanges on said first and second parts forming a labyrinth seal between said parts and between high and low pressure regions on axially opposite sides of said labyrinth seal;said flanges defining upstream side surfaces facing said high pressure region;a plurality of layers of a woven material substantially overlying one another with overlying marginal portions freely contacting said first part between flanges thereof to form a contact seal with said first part, said first part rotating relative to the marginal portions of said woven material; andsaid layers of woven material being secured to said second part and lying axially adjacent and contacting said upstream side surface of a flange of said second part, said layers of woven material being free from contact with said upstream side surface of a flange of first part, said woven material of the layers thereof projecting from said second part and between said first and second parts to form said contact seal.