Sealing clearance control in turbomachines
AssigneeNuovo Pignone S.p.A.
InventorsLuciano MEI, Massimiliano BORGHETTI, Massimo PINZAUTI, Manuele BIGI, Luca INNOCENTI, Alberto CECCHERINI, Marco FORMICHINI, Rajesh MAVURI
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Abstract
The turbomachine comprises a stationary component, a rotary component, rotatingly supported in the stationary component, and a sealing arrangement between the rotary component and the stationary component. A cooling arrangement is further provided, which is configured and designed for delivering a cooling fluid to the sealing arrangement and removing heat therefrom.
Claims20
A turbomachine comprising:
- a stationary component;
- a rotary component, rotatingly supported in the stationary component;
- a sealing arrangement between the rotary component and the stationary component;
- and
- a cooling arrangement, configured and designed for delivering a cooling fluid to the sealing arrangement and removing heat therefrom.
A method for controlling a seal clearance in a turbomachine between a rotary component of the turbomachine and a sealing arrangement co-acting with the rotary component;
- the method comprising:
- removing heat from the sealing arrangement for controlling thermal expansion of the sealing arrangement during operation of the turbomachine.
Dependencies are inferred from the claim text.