GAS TURBINE WITH PRIMARY AND SECONDARY LUBRICATING OIL COOLER

A gas turbine is described, comprising a turbine package (101) housing a compressor (105; 107), a high pressure turbine (109) and a power turbine (111). The gas turbine comprises a ventilation system for cooling the interior of the turbine package, as well as a lubricating oil circuit. The lubricati...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MERLO, ROBERTO, BEI, SIMONE, MARCUCCI, DANIELE, VITI, FILIPPO, LAZZERI, MARCO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	A gas turbine is described, comprising a turbine package (101) housing a compressor (105; 107), a high pressure turbine (109) and a power turbine (111). The gas turbine comprises a ventilation system for cooling the interior of the turbine package, as well as a lubricating oil circuit. The lubricating oil circuit comprises a lubricating oil pump (177), a lubricating oil tank (173), a primary lubricating oil cooler (189). A secondary lubricating oil cooler (163) is arranged in the turbine package (101), in a position lower than a rotary shaft (115) of the gas turbine. The ventilation system is arranged and designed such that at least part of a package cooling airflow contacts the secondary lubricating oil cooler (163) to remove heat from the lubricating oil circulating in the secondary lubricating oil cooler.