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Helmholtz damper for a combustor of a gas turbine and a method for installing the helmholtz damper
US8943825B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8943825-B2 |
| Application number | US-201113015640-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 28, 2011 |
| Priority date | Jan 28, 2010 |
| Publication date | Feb 3, 2015 |
| Grant date | Feb 3, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
A Helmholtz damper for a combustor of a gas turbine includes first and second damping volumes. The combustor has a combustion chamber disposed in a housing and closed off by a front plate at which a plurality of burners are exchangeably fastened. The burners are supplied with fuel via fuel lances which extend from outside the housing through a bushing of the housing to the associated burner. The first damping volume has a first end and a second end, the first end of the first damping volume being configured to attach a connecting passage extending to a front panel such that the Helmholtz damper is connectable with the front plate of the combustion chamber in place of one of the burners. The second damping volume has a first end and a second end and is arranged in series with the first damping volume along an axis of the Helmholtz damper with the first end of the second damping volume being detachably connected to the second end of the first damping volume so as to form a combined larger damping volume. The second end of the second damping volume is configured to attach a connecting tube extending from the second damping volume and through the bushing in place of a respective one of the fuel lances.
First claim
Opening claim text (preview).
The invention claimed is: 1. A Helmholtz damper for a combustor of a gas turbine having a combustion chamber disposed in a housing and closed off by a front plate at which a plurality of burners are exchangeably fastened, the plurality of burners being supplied with fuel via fuel lances which extend from outside the housing through a bushing of the housing to an associated burner, the Helmholtz damper comprising: a first damping volume having a first end and a second end, the firs…
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Classifications
Mechanical Engineering · mapped topic
- F23R3/00Primary
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
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- What does patent US8943825B2 cover?
- A Helmholtz damper for a combustor of a gas turbine includes first and second damping volumes. The combustor has a combustion chamber disposed in a housing and closed off by a front plate at which a plurality of burners are exchangeably fastened. The burners are supplied with fuel via fuel lances which extend from outside the housing through a bushing of the housing to the associated burner. Th…
- Who is the assignee on this patent?
- Magni Fulvio, Von Planta Martin Andrea, Grimm Frank, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification F23R3/00. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Feb 03 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).