Addressable switch assembly for wellbore systems and method
US-10767453-B2 · Sep 8, 2020 · US
Tap changer with improved switch construction
US8993904B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8993904-B2 |
| Application number | US-201214007501-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 22, 2012 |
| Priority date | Mar 25, 2011 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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Abstract
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An on-load tap changer is provided having a pair of bypass switches, each of which includes a plurality of contacts at least partially disposed in a contact carrier. The contacts are arranged in a stack and cooperate to form a groove and a mounting bore. A mounting post extends through the mounting bore such that the contacts are pivotable about the mounting post between an open and a closed position. When an actuation assembly moves the contacts to the open or closed position, the contacts move longitudinally relative to the contact carrier.
First claim
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What is claimed is: 1. An on-load tap changer comprising: a bypass switch assembly comprising: (a.) a pair of bypass switches, each bypass switch comprising: a fixed contact; a movable contact assembly comprising: a contact carrier; a plurality of contacts at least partially disposed in the contact carrier, each of the contacts having a first end portion with a notch and a second end portion with a mounting opening extending therethrough, the mounting opening being define…
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Frequently asked questions
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- What does patent US8993904B2 cover?
- An on-load tap changer is provided having a pair of bypass switches, each of which includes a plurality of contacts at least partially disposed in a contact carrier. The contacts are arranged in a stack and cooperate to form a groove and a mounting bore. A mounting post extends through the mounting bore such that the contacts are pivotable about the mounting post between an open and a closed po…
- Who is the assignee on this patent?
- Elick Robert Alan, Abb Technology Ag
- What technology area does this patent fall under?
- Primary CPC classification H01H1/18. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 31 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).