Rotary pneumatic seal for a central tire inflation system
AssigneeFairfield Manufacturing Company, Inc.
InventorsMatthew Paul Richards, Coleman Bruce Abbott
Life of this patent
Estimating the term…
Abstract
A rotary pneumatic seal may have a ring-shaped inner radial seal with an inner lip extending in an axial direction, an outer lip extending in the same axial direction, a connecting flange connecting the inner lip and the outer lip, a pneumatic sealing lip, and an oil sealing lip. The rotary pneumatic seal may also have a ring-shaped outer radial seal located radially outward from the inner radial seal. The outer radial seal may also have a first wall extending in an outward radial direction, a second wall extending in an opposite inward radial direction, a central flange connecting the first and second walls, and a dust lip.
Claims16
A rotary pneumatic seal, comprising:
- a ring-shaped inner radial seal, comprising:
- an inner lip extending in an axial direction;
- an outer lip extending in the same axial direction;
- a connecting flange connecting the inner lip and the outer lip;
- a pneumatic sealing lip;
- and
- an oil sealing lip comprised of a ridge;
- and
- a ring-shaped outer radial seal located radially outward from said inner radial seal, comprising:
- a first wall extending in an outward radial direction;
- a second wall extending in an opposite inward radial direction;
- a central flange connecting the first wall and the second wall;
- and
- a dust lip extending from said central flange.
Dependencies are inferred from the claim text.