Patent ID: 9605760
Date: 2017-03-28
CPC Classifications: B29C,B29D,B29K,F16J,Y10T

Claim:
1. A seal for a gear case of a traction motor, the seal comprising an arcuate body extending circumferentially about a longitudinal axis, the arcuate body including: a first cylindrical wall, a second cylindrical wall, a first annular wall, a second annular wall, and a third annular wall; a radially outer layer including the first cylindrical wall, the first annular wall, and the second annular wall, wherein a radially inner layer including the second cylindrical wall and the third annular wall, wherein a centrally located channel defined at least partly by the first cylindrical wall, the second cylindrical wall, the first annular wall, and the second annular wall; and a middle layer disposed within the centrally located channel and made from a material that is different from a material of the radially outer layer and the radially inner layer, wherein the first annular wall is bonded to the third annular wall.