Gas turbine damper with inner neck extending into separate cavities

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United States of America Patent

PATENT NO 9897314
SERIAL NO

14279767

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a damper for reducing pulsations in a gas turbine, which includes an enclosure, a main neck extending from the enclosure, a spacer plate disposed in the enclosure to separate the enclosure into a first cavity and a second cavity and an inner neck with a first end and a second end, extending through the spacer plate to interconnect the first cavity and the second cavity. The first end of the inner neck remains in the first cavity and the second end remains in the second cavity. A flow deflecting member is disposed proximate the second end of the inner neck to deflect a flow passing through the inner neck. With the solution of the present invention, as a damper according to embodiments of the present invention operates, flow field hence damping characteristic in the second cavity constant regardless the adjustment of the spacer plate in the enclosure.

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Patent Owner(s)

  • ANSALDO ENERGIA IP UK LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bothien, Mirko Ruben Zürich, CH 32 196
Noiray, Nicolas Bern, CH 14 152
Schuermans, Bruno La Tour de Peilz, CH 37 529

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