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US-12180120-B2 · Dec 31, 2024 · US
Steam turbine LP casing cylindrical struts between stages
US9194246B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9194246-B2 |
| Application number | US-201113243576-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 23, 2011 |
| Priority date | Sep 23, 2011 |
| Publication date | Nov 24, 2015 |
| Grant date | Nov 24, 2015 |
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Abstract
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An arrangement is disclosed in which deflections and mechanical stresses in turbine low pressure casings are controlled by inserting struts between the turbine diaphragm ledge ring stages. Preferably, the struts are cylindrical in shape, although other different shapes can be used in accordance with the needs of different applications. The struts can be solid or hollow in construction, although preferably they are hollow to reduce the material needed to fabricate them. The struts are located around the turbine casing, as is required to connect together two ledge rings where there is high axial deflection in the casing.
First claim
Opening claim text (preview).
What is claimed is: 1. An arrangement for controlling axial deflection and stiffness in the casing of a steam turbine including a wrapper and ledge rings positioned axially along the casing between turbine stages, the arrangement comprising: struts extending axially between and connected directly to adjacent pairs of the ledge rings; the struts between each of the adjacent pairs of ledge rings form a circular array wherein the struts are at different positions on the circumferen…
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Mechanical Engineering · mapped topic
Cross-Sectional Technologies · mapped topic
Mechanical Engineering · mapped topic
- F01D9/02Primary
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US9194246B2 cover?
- An arrangement is disclosed in which deflections and mechanical stresses in turbine low pressure casings are controlled by inserting struts between the turbine diaphragm ledge ring stages. Preferably, the struts are cylindrical in shape, although other different shapes can be used in accordance with the needs of different applications. The struts can be solid or hollow in construction, although…
- Who is the assignee on this patent?
- Predmore Daniel Ross, Gonoor Rajendra, Lopez Partida Erik Eduardo, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification F01D9/02. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Nov 24 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).