Seal having integral insert

Patent metadata

Field	Value
Publication number	US-9157518-B2
Application number	US-201213707353-A
Country	US
Kind code	B2
Filing date	Dec 6, 2012
Priority date	Dec 6, 2012
Publication date	Oct 13, 2015
Grant date	Oct 13, 2015

Abstract

In one aspect, the disclosure is related to a seal for a gear case. The seal may comprise a body, and at least one insert substantially enclosed within the body. The insert may include a first side, a second side opposite the first side, and a passage extending from the first side to the second side. A portion of the body may pass through the passage from the first side to the second side.

First claim

What is claimed is:

1. A seal for a gear case, comprising:
a body, wherein the body includes a first cutout located on an outer surface of the body, the first cutout extending circumferentially around the body between a first pair of chamfers extending in a radial direction substantially perpendicular to a center axis of the body, the first cutout configured to accept an opening in the gear case; and
at least one insert substantially enclosed within the body, wherein the at least one insert includes a first wall, and a second wall opposite the first wall, a passage extending through the at least one insert from the first wall to the second wall, and wherein a part of the body passes through the passage from the first wall to the second wall.

2. The seal of claim 1 , wherein the body is substantially annular and comprises a substantially flexible material.

3. The seal of claim 1 , wherein the at least one insert is substantially arcuate and comprises a substantially rigid material.

4. The seal of claim 3 , wherein the at least one insert has an arc length between approximately 40 degrees and approximately 60 degrees.

5. The seal of claim 1 , further including a plurality of inserts, each respective insert of the plurality of inserts being spaced from an adjacent insert by a second part of the body.

6. The seal of claim 1 , wherein the at least one insert has a substantially H-shaped cross-section.

7. The seal of claim 1 , wherein the at least one insert is fabricated from a plastic, polymer, wood, metal, or metal alloy, and the body is fabricated from a plastic or a polymer.

8. The seal of claim 1 , wherein the at least one insert is located closer to an inner surface of the body than an outer surface of the body.

9. The seal of claim 1 , wherein the body is substantially annular and the at least one insert is substantially arcuate, and the at least one insert is disposed substantially concentric with the body.

10. The seal of claim 1 , wherein the body further includes a second cutout located on an inner surface of the body, the second cutout extending circumferentially around the body, the second cutout configured to accept a feature on a mating component.

11. The seal of claim 10 , wherein the second cutout is disposed opposite the first cutout, and the at least one insert is disposed radially between the first cutout and the second cutout.

12. The seal of claim 1 , wherein the body further includes a groove on a first side of the body, wherein the groove contains a surface substantially parallel to a center axis of the body and the surface is disposed between a lip of the body and a wall of the body, wherein the lip and the wall extend substantially perpendicular to a center axis of the body.

Assignees

• Electro Motive Diesel Inc

Inventors

• Mishra Saket
• Sholeen Thomas
• Brinker Kevin

Classifications

• F16H57/029 Primary

  characterised by means for sealing the gearboxes, e.g. to improve airtightness · CPC title

• B61C9/50

  in bogies · CPC title

• Y10T74/2186

  Gear casings · CPC title