Patent ID: 7926819
Filing Date: 2011-04-19
Classification: B60K,F16H,F16J,Y02T

Abstract:
1. A seal assembly for an automatic transmission, comprising in combination, a drive motor housing having an outer cylindrical surface; an automatic transmission housing having an inner cylindrical surface and a shoulder, wherein said inner cylindrical surface surrounds said outer cylindrical surface of said drive motor housing, and wherein said shoulder is a sloped portion of said outer cylindrical surface; and a seal having an annulus having an outer surface, an inner surface, a first end and a second end axially spaced from said first end, said first end having an inwardly curved portion and a first end face disposed at a distal end of the inwardly curved portion that is parallel to the drive motor housing, said second end having an outwardly curved portion, an outer seal secured to said outer surface and an inner seal secured to said inner surface, wherein said first end face is exposed and is a locating feature configured to locate said annulus between the seal and the outer surface of the drive motor housing, wherein said inwardly curved portion of said annulus corresponds with said shoulder of said automatic transmission housing to seat said first end face parallel to said outer cylindrical surface of said drive motor housing.