Abrasion resistant steel plate having excellent low-temperature toughness and hydrogen embrittlement resistance and method for manufacturing the same
US-2016060721-A1 · Mar 3, 2016 · US
Chain element
US11035436B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11035436-B2 |
| Application number | US-201415028287-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 14, 2014 |
| Priority date | Dec 4, 2013 |
| Publication date | Jun 15, 2021 |
| Grant date | Jun 15, 2021 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
Disclosed is a chain element ( 2 ), in particular for a power transmission chain of a chain drive, made of a carbon-containing material, especially steel, characterized by a core layer ( 5 ) that has a ferritic matrix structure including at least one hard phase that is distributed therein, and a hardened peripheral layer ( 6 ) that has a martensitic structure.
First claim
Opening claim text (preview).
What is claimed is: 1. A chain element made of a carbon-containing material, the chain element comprising: a core layer having a structure made of a ferritic matrix with at least one hard phase distributed therein; and a hardened peripheral layer having a martensitic structure. 2. The chain element as recited in claim 1 wherein the martensitic structure of the hardened peripheral layer includes martensite. 3. The chain element as recited in claim 1 wherein the martensitic structure of the hardened peripheral layer consists of martensite. 4. The chain element as recited in claim 1 wherein the hardened peripheral layer is formed with the aid of a martensitic transformation of at least the areas of the chain element near the surface. 5. The chain element as recited in claim 1 wherein the hard phase distributed in the core layer includes martensite. 6. The chain element as recited in claim 1 wherein the hard phase distributed in the core layer consists of martensite. 7. The chain element as recited in claim 1 wherein the hardened peripheral layer has a hardness of 600 HV to 1,800 HV. 8. The chain element as recited in claim 7 wherein the hardened peripheral layer has a hardness of more than 1,000 HV. 9. The chain element as recited in claim 1 wherein the chain element is a chain link or a chain sleeve or a chain stud. 10. The chain element as recited in claim 1 wherein the carbon-containing material is steel. 11. A transmission chain of a chain drive comprising the chain element as recited in claim 1 . 12. The chain element as recited in claim 1 wherein the hard phase is no more than 20% of the core layer. 13. The chain element as recited in claim 2 wherein the martensitic structure is no more than 20% of the core layer.
Assignees
Inventors
Classifications
Toothed chains · CPC title
Driving-chains (specially adapted to gearings with variable gear-ratio F16H9/00) · CPC title
Ferrite · CPC title
Chain couplings, Shackles; Chain joints; Chain links; Chain bushes (making chain elements B21L) · CPC title
of ferrous surfaces · CPC title
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US11035436B2 cover?
- Disclosed is a chain element ( 2 ), in particular for a power transmission chain of a chain drive, made of a carbon-containing material, especially steel, characterized by a core layer ( 5 ) that has a ferritic matrix structure including at least one hard phase that is distributed therein, and a hardened peripheral layer ( 6 ) that has a martensitic structure.
- Who is the assignee on this patent?
- Schaeffler Technologies Ag
- What technology area does this patent fall under?
- Primary CPC classification F16G13/06. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Jun 15 2021 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).