Nuovo Pignone Srl

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Nuovo Pignone Spa

Marco Lazzeri

Daniele Marcucci

Roberto Merlo

Antonio Baldassarre

Stefano Meucci

Tommaso Betti

Filippo Viti

Simone Bei

Maciej Hofman

Daniele Marucci

Andrea Avanzini

Marco Frettallone

An aeroderivative gas turbine including an air intake plenum; a compressor with a compressor air intake in fluid communication with the air intake plenum; a combustor; a high pressure turbine; a power turbine. A forced air-stream generator is arranged in fluid communication with the air intake plenum. A shutter arrangement is provided in a combustion-air flow path, arranged and controlled to close the combustion-air flow path for pressurizing said air intake plenum by means of the forced air-stream generator to a pressure sufficient to cause pressurized air to flow through the aeroderivative air turbine.

Device and method for gas turbine unlocking

A sump pressurization system comprising an off-board source of pressurized air is provided to supplement pressurized air to a bearing sump arrangement when the operating conditions of the gas turbine engine are such that the on-board pressurized air source, e.g. the compressor of the gas generator, are such that the air pressure generated thereby is insufficient to pressurize a sump pressurization cavity. A gas turbine engine comprising such a sump pressurization system is also provided, as is a corresponding method for operating a gas turbine engine to facilitate reducing leakage of lubrication oil.

Methods and systems for preventing lube oil leakage in gas turbines

Growing community of inventors

Florence, Italy

Marco Lazzeri