A DEVICE FOR AND A METHOD OF STARTING A GAS TURBINE ENGINE

摘要

A device for starting a gas turbine engine, said gas turbine engine comprising a low pressure compressor and a high pressure compressor, wherein said device comprises: a start motor (23); a differential gear (16); a first shaft (21) driven by said start motor and defining a power input shaft to said differential gear (16); a first power output shaft (14) drivingly connecting said differential gear (16) with the low pressure compressor; a second power output shaft (15) drivingly connecting said differential gear (16) with the high pressure compressor; said first and second power output shafts (14, 15) being drivingly connected with said power input shaft (21) through said differential gear (16). The device comprises a means (24) for temporary disconnection of one of the first and second power output shafts (14, 15) from the power input shaft (21).