Systems, methods, and mechanical designs for inverters for evtol aircraft
US-2024253796-A1 · Aug 1, 2024 · US
Equipment including epitaxial co-crystallized material
US9634535B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9634535-B2 |
| Application number | US-201313960889-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 7, 2013 |
| Priority date | Aug 11, 2012 |
| Publication date | Apr 25, 2017 |
| Grant date | Apr 25, 2017 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
An electric submersible pump motor can include a housing; and a hermetically sealed cavity defined at least in part by the housing that includes at least one material susceptible to hydrolysis, and a polymeric material that includes epitaxial co-crystals of perfluoroalkoxy (PFA) and polytetrafluoroethylene (PTFE). Various other apparatuses, systems, methods, etc., are also disclosed.
First claim
Opening claim text (preview).
What is claimed is: 1. An electric submersible pump motor comprising: a housing; and a hermetically sealed cavity defined at least in part by the housing that comprises at least one material susceptible to hydrolysis, and a polymeric material that comprises epitaxial co-crystals of perfluoroalkoxy (PFA) and polytetrafluoroethylene (PTFE). 2. The electric submersible pump motor of claim 1 wherein the PFA is a polymer of tetrafluoroethylene and perfluorovinylether. 3. The electric submersible pump motor of claim 1 wherein the polymeric material comprises a polymeric material formed from a melt-fabricable tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, wherein the perfluoroalkyl contains 1 to 5 carbon atoms, and melt flowable polytetrafluoroethylene. 4. The electric submersible pump motor of claim 1 comprising dielectric oil disposed in the hermetically sealed cavity. 5. The electric submersible pump motor of claim 1 wherein the at least one material susceptible to hydrolysis comprises polyimide. 6. The electric submersible pump motor of claim 5 wherein the polymeric material contacts the polyimide. 7. The electric submersible pump motor of claim 1 comprising motor slot liner film formed at least in part by the polymeric material. 8. The electric submersible pump motor of claim 1 comprising a stator. 9. The electric submersible pump motor of claim 8 comprising a shaft that comprises a rotor disposed in the hermetically sealed cavity. 10. The electric submersible pump motor of claim 1 wherein the hermetically sealed cavity is sealed against entry of water vapor.
Assignees
Inventors
Classifications
Protection against moisture or chemical attack; Windings specially adapted for operation in liquid or gas · CPC title
- H02K5/124Primary
Sealing of shafts · CPC title
Windings characterised by the insulating material · CPC title
Addition polymer is perhalogenated · CPC title
- H02K5/02Primary
Casings or enclosures characterised by the material thereof · CPC title
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- What does patent US9634535B2 cover?
- An electric submersible pump motor can include a housing; and a hermetically sealed cavity defined at least in part by the housing that includes at least one material susceptible to hydrolysis, and a polymeric material that includes epitaxial co-crystals of perfluoroalkoxy (PFA) and polytetrafluoroethylene (PTFE). Various other apparatuses, systems, methods, etc., are also disclosed.
- Who is the assignee on this patent?
- Schlumberger Technology Corp
- What technology area does this patent fall under?
- Primary CPC classification H02K5/124. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Apr 25 2017 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).