Aero gas turbine engine with speed reduction gearbox
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 22, 2022
Grant Date -
N/A
app pub date -
Aug 11, 2019
filing date -
Aug 11, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lay shaft assembly for a speed reduction gearbox in a geared turbofan gas turbine engine, the lay shaft assembly having an output gear formed on a lay shaft as a single piece, and an input welded gear formed as a separate piece that is welded to the shaft in close proximity to the output gear. The output gear is machined and precision-ground prior to welding the input welded gear to the lay shaft so that the two gears can be located in close proximity. The input welded gear is precision-ground after the gear has been welded to the shaft.
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