Patent ID: 6273426
Filing Date: 2001-08-14
Classification: F16J,H05K,Y10S

Abstract:
A hydrodynamic seal comprising:a first part having a recess defined therein;a second part being positioned adjacent said first part; anda rise formed in said second part, said rise positioned along said recess, wherein when said first part includes a first portion, second portion and third portion and said recess is defined in said second portion, said second part includes a forth portion, fifth portion and sixth portion and said rise is defined in said fifth portion, when said first and second parts are adjacent each other, said first and forth portions form an essentially uniform passage with a first predetermined area defined therebetween, said third and sixth portions further form an essentially uniform passage with a third predetermined area defined therebetween, and said second and fifth portions form a passage defined by said recess and said rise with a second predetermined area defined therebetween, wherein said second predetermined area is the smallest of each of the predetermined areas.