Turbine with a shroud ring around rotor blades and method of limiting leakage of working fluid in a turbine
US-2024280031-A1 · Aug 22, 2024 · US
Abradable for stator inner shroud
US8926271B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8926271-B2 |
| Application number | US-201113305407-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 28, 2011 |
| Priority date | Nov 30, 2010 |
| Publication date | Jan 6, 2015 |
| Grant date | Jan 6, 2015 |
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Abstract
Official abstract text for this publication.
The present invention relates to a pressure seal ( 7 ) of a turbomachine stator, said seal ( 7 ) comprising a first abradable surface opposite a rotor portion of the turbomachine and a second surface in contact with an inner shroud ( 3 ) of the stator, said seal ( 7 ) comprising a plurality of component units ( 10 ), each component unit ( 10 ) having, on its first abradable surface, a circumferential step ( 9 ) creating an obstacle in the circumferential direction of the inner shroud ( 3 ).
First claim
Opening claim text (preview).
The invention claimed is: 1. A pressure seal ( 7 ) of a turbomachine stator, said seal ( 7 ) comprising a first abradable surface opposite a rotor portion of the turbomachine and a second surface in contact with an inner shroud ( 3 ) of the stator, the first abradable surface of the seal ( 7 ) having a stepped profile and comprising a plurality of component units ( 10 ), each component unit ( 10 ) comprising: a circumferential step ( 9 ) creating an obstacle in the circumferential…
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- F01D11/122Primary
Mechanical Engineering · mapped topic
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- What does patent US8926271B2 cover?
- The present invention relates to a pressure seal ( 7 ) of a turbomachine stator, said seal ( 7 ) comprising a first abradable surface opposite a rotor portion of the turbomachine and a second surface in contact with an inner shroud ( 3 ) of the stator, said seal ( 7 ) comprising a plurality of component units ( 10 ), each component unit ( 10 ) having, on its first abradable surface, a circumfer…
- Who is the assignee on this patent?
- Hiernaux Stéphane, Techspace Aero Sa
- What technology area does this patent fall under?
- Primary CPC classification F01D11/122. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Jan 06 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).