HEATING SYSTEMS FOR ROTOR IN-SITU IN TURBOMACHINES

Heating systems (200) for a rotor (114, 210) in-situ in a turbomachine (90, 190) are provided. In contrast to conventional systems that merely heat from an external turbine (212) casing, embodiments of the disclosure heat the rotor (114, 210). In one embodiment, a heating system (200) includes a hea...

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Bibliographische Detailangaben
Hauptverfasser: WELCH, David Ernest, KUDLACIK, Edward Leo, SYKES, Carey Lorne, FRUTSCHY, Kristopher John
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Heating systems (200) for a rotor (114, 210) in-situ in a turbomachine (90, 190) are provided. In contrast to conventional systems that merely heat from an external turbine (212) casing, embodiments of the disclosure heat the rotor (114, 210). In one embodiment, a heating system (200) includes a heating element (230, 330, 530, 430) to heat a portion of an exterior surface (240) of the rotor (114, 210). In another embodiment, the heating system (200) may include a heating element (s) (230, 330, 530, 430) at least partially positioned within the rotor (114, 210), and the rotor (114, 210) including the heating system (200). Each embodiment may include a controller (340) to control operation of the heating element(s) (230, 330, 530, 430).