Patent ID: 6047969
Filing Date: 2000-04-11
Classification: F16J

Abstract:
A face seal assembly, comprising:a first seal ring axially fixed to a rotatable element for rotation therewith about an axis, said first seal ring having a seal face;an annular housing member spaced axially from said first seal ring and rotationally fixed with respect to said axis, said annular housing member having an axially-extending ramp;a second seal ring disposed axially intermediate said first seal ring and said annular housing member, said second seal ring having a seal face confronting and in mutual sealing engagement with the seal face of said first seal ring such that said seal faces define a seal plane, said second seal ring further having an axially-extending ramp confronting the ramp of said annular housing member;said ramps converging in a direction away from said seal plane; anda bias member compressed between the ramp of said housing member and the ramp of said second seal ring.