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US 2022/0290750 A1Published application
Method of making an interaxle differential unit and an annular case
AssigneeArvinMeritor Technology, LLC
InventorsJoseph Melekian, Bin Hu, Nagaraja Gargeshwari
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Abstract
A method of making an interaxle differential unit. The method may include piercing a workpiece and then ring roll forging the workpiece to form an annular case that is a seamless ring. The annular case may be heat treated before installing an interaxle differential unit gear nest inside the annular case.
Claims20
A method of making an interaxle differential unit, the method comprising:
- piercing a workpiece to form a through hole;
- ring roll forging the workpiece to form an annular case that is a seamless ring;
- heat treating the annular case;
- and
- installing an interaxle differential unit gear nest inside the annular case.
2 more elements
Dependencies are inferred from the claim text.