FIELD: mechanical engineering; turbomachines, engine compressor rotor parts including blade attachment ones.
SUBSTANCE: proposed axial-flow compressor stage of gas-turbine engine has impeller blading and circular shrouding made in the form of supporting force ring whose external part is made of composite material and internal one, of metal; internal metal ring has slots to receive blade roots and lock slots accommodating vibrated shock-absorbing components, such as flat springs.
EFFECT: enhanced reliability, vibration and impact strength of compressor impeller.
1 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| GAS-TURBINE ENGINE AXIAL-FLOW COMPRESSOR STAGE | 2004 |
|
RU2267030C1 |
| STAGE OF AXIAL-FLOW COMPRESSOR OF GAS-TURBINE ENGINE | 2001 |
|
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|
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|
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|
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|
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|
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|
RU2603380C1 |
