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US 2011/0252807 A1Published application
Accessory gearbox with a starter/generator
AssigneeGeneral Electric Company
InventorsHao Huang, Jan Zywot
Life of this patent
Estimating the term…
Abstract
An assembly for a gas turbine engine comprising an accessory gearbox comprising a drive gear and a starter/generator mechanically mounted to the accessory gearbox. The starter/generator comprising a rotatable shaft, a pinion gear carried by the shaft, a main machine carried by the shaft, a permanent magnet generator (PMG) carried by the shaft and an exciter carried by the shaft.
Claims16
An assembly for a gas turbine engine comprising:
- an accessory gearbox comprising a drive gear;
- a starter/generator mechanically mounted to the accessory gearbox, comprising:
- a rotatable shaft;
- a pinion gear carried by the shaft;
- a main machine carried by the shaft;
- a permanent magnet generator (PMG) carried by the shaft;
- an exciter carried by the shaft;
- wherein the PMG and exciter are located on the shaft between the pinion gear and the main machine, and the pinion gear meshes with the drive gear when the starter/generator is mounted to the accessory gearbox.
5 more elements
An assembly for a gas turbine engine comprising:
- an accessory gearbox comprising a first housing with an access opening and a drive gear located within the first housing;
- a starter/generator having a second housing mechanically mounted to the first housing, comprising:
- a pinion gear;
- a main machine;
- a permanent magnet generator (PMG);
- an exciter;
- a shaft rotatably mounted within the second housing and supporting the pinion gear, main machine, PMG, and exciter, with the PMG and exciter supported on the shaft between the pinion gear and the main machine;
- wherein the first and second housings are configured to nest such that when the second housing is mounted to the first housing, a portion of the second housing extends through the access opening and into the first housing to position at least one of the PMG and exciter within the first housing.
5 more elements
Dependencies are inferred from the claim text.