Thrust washer and diffuser for use in a downhole electrical submersible pump
US-2017211582-A1 · Jul 27, 2017 · US
Thrust bushing surface layer using directly bonded heat activated nitrile-phenolic adhesive film
US10584740B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10584740-B2 |
| Application number | US-201815894463-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 12, 2018 |
| Priority date | Feb 12, 2018 |
| Publication date | Mar 10, 2020 |
| Grant date | Mar 10, 2020 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A layer is provided for a thrust bushing, for example a torque converter thrust bushing. A phenolic resin is bonded directly to a bearing surface of a rotating component to form the layer without any substrate.
First claim
Opening claim text (preview).
What is claimed is: 1. A rotating component assembly for two rotating components, comprising: a first rotating component having a base material with a bearing surface; a second rotating component having a mating surface directed toward the bearing surface; and at least one phenolic resin layer bonded directly to the bearing surface, and wherein the at least one phenolic resin layer is the only structure between the rotating components. 2. The rotating component assembly of claim 1 , wherein the at least one phenolic resin layer is a nitrile-phenolic adhesive. 3. The rotating component assembly of claim 1 , wherein the phenolic resin layer functions as a thrust washer. 4. The rotating component assembly of claim 1 , wherein the base material is configured to withstand pressure up to about 75 psi at about 450° F. for up to about 5 minutes. 5. The rotating component assembly of claim 1 , wherein the phenolic resin layer has a dynamic coefficient of friction of about 0.04 to about 0.07 and a static coefficient of friction of about 0.12 to about 0.17. 6. The rotating component assembly of claim 1 , wherein the mating surface is nonporous. 7. The rotating component assembly of claim 6 , wherein the mating surface has a surface roughness less than Ra 1.0. 8. A torque converter comprising the rotating component assembly of claim 3 , wherein the thrust washer withstands torque converter operation at a PV value of 6.3 (N/mm 2 )*(m/sec).
Assignees
Inventors
Classifications
comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines · CPC title
characterised by the pressing technique, e.g. using action of vacuum or fluid pressure · CPC title
characterised by the heating method · CPC title
- F16C17/045Primary
with grooves in the bearing surface to generate hydrodynamic pressure, e.g. spiral groove thrust bearings · CPC title
Grooves on a bearing surface for distributing or collecting the liquid · CPC title
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US10584740B2 cover?
- A layer is provided for a thrust bushing, for example a torque converter thrust bushing. A phenolic resin is bonded directly to a bearing surface of a rotating component to form the layer without any substrate.
- Who is the assignee on this patent?
- Schaeffler Technologies Ag
- What technology area does this patent fall under?
- Primary CPC classification F16C17/045. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Mar 10 2020 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).