Fluted sprocket/cog bore for reduced machining cycle times and reduced tool wear
US-9476495-B2 · Oct 25, 2016 · US
Sleeved sprocket teeth
US9211583B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9211583-B2 |
| Application number | US-56221909-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 18, 2009 |
| Priority date | Sep 26, 2008 |
| Publication date | Dec 15, 2015 |
| Grant date | Dec 15, 2015 |
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- Title
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Abstract
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A gear with a solid metal sleeve for its outer tooth profile is provided. The gear additionally has an inner body of sintered powder metal.
First claim
Opening claim text (preview).
What is claimed is: 1. A method of manufacturing a gear comprising: forming a cylindrical solid metal sleeve providing a gear teeth profile including a plurality of teeth; placing said sleeve in a die; inserting within said die a powder metal; compressing said powder metal to form an inner body connected with said sleeve; and sintering the powder metal. 2. A method as described in claim 1 wherein said powder metal is placed in said die as a preform.…
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Classifications
- B21K1/30Primary
Operations & Transport · mapped topic
Cross-Sectional Technologies · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US9211583B2 cover?
- A gear with a solid metal sleeve for its outer tooth profile is provided. The gear additionally has an inner body of sintered powder metal.
- Who is the assignee on this patent?
- Crump Matthew W, Sarick John, Borgwarner Inc
- What technology area does this patent fall under?
- Primary CPC classification B21K1/30. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Dec 15 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).