Wall bushing
US-12374474-B2 · Jul 29, 2025 · US
Corona-free cap assembly
US9502160B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9502160-B2 |
| Application number | US-201314405482-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 5, 2013 |
| Priority date | Jun 26, 2012 |
| Publication date | Nov 22, 2016 |
| Grant date | Nov 22, 2016 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
Disclosed is a corona-free cap assembly for achieving uniform electrical stress distribution around an electrical device having a cylindrical end, the corona-free cap assembly comprising: a clamping member configured for clamping on the cylindrical end along circumferential direction of the cylindrical end; and a corona-free cap comprising a grading chamber with two open ends, the corona-free cap further comprising a connection component fixed inside the grading chamber and adapted for connection with the clamping member in a manner that the corona-free cap is detachably fixed on the electrical device and the cylindrical end of the electrical device is at least partially extended into the grading chamber of the corona-free cap through one of the open ends.
First claim
Opening claim text (preview).
What is claimed is: 1. A corona free cap assembly to provide a uniform electric stress distribution around an electrical device ( 30 ) comprising: a clamping member for clamping on a cylindrical end of the electrical device along the circumferential direction thereof; and a corona free cap having a grading chamber with two open ends, the corona free cap further having a connection component fixed within the grading chamber and adapted for connection with the clamping member wher…
Assignees
Inventors
Classifications
- H01B17/44Primary
Electricity · mapped topic
- H02G15/064Primary
Electricity · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9502160B2 cover?
- Disclosed is a corona-free cap assembly for achieving uniform electrical stress distribution around an electrical device having a cylindrical end, the corona-free cap assembly comprising: a clamping member configured for clamping on the cylindrical end along circumferential direction of the cylindrical end; and a corona-free cap comprising a grading chamber with two open ends, the corona-free c…
- Who is the assignee on this patent?
- 3M Innovative Properties Co
- What technology area does this patent fall under?
- Primary CPC classification H01B17/44. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 22 2016 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).