17959336. SHAFT COUPLING FOR A GAS TURBINE ENGINE simplified abstract (GENERAL ELECTRIC COMPANY)

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SHAFT COUPLING FOR A GAS TURBINE ENGINE

Organization Name

GENERAL ELECTRIC COMPANY

Inventor(s)

Arthur William Sibbach of Boxford MA (US)

Brandon Wayne Miller of Liberty Township OH (US)

Andrew Hudecki of Milford OH (US)

SHAFT COUPLING FOR A GAS TURBINE ENGINE - A simplified explanation of the abstract

This abstract first appeared for US patent application 17959336 titled 'SHAFT COUPLING FOR A GAS TURBINE ENGINE

Simplified Explanation

The abstract describes a gas turbine engine with a shaft coupling that includes internal and external splines, some of which are bowed.

  • Gas turbine engine with rotatably driven engine component
  • Shaft coupling with internal splines on inner surface
  • Driving member with external splines on outer surface
  • Internal and external splines are drivingly engaged
  • Some splines are bowed for improved performance

Potential Applications

The technology could be applied in gas turbine engines for aircraft, power generation, and other industrial applications where high-performance shaft couplings are required.

Problems Solved

1. Improved torque transmission between components 2. Enhanced reliability and durability of the shaft coupling due to the bowed splines design

Benefits

1. Increased efficiency and performance of the gas turbine engine 2. Reduced maintenance and downtime due to the robust design of the shaft coupling

Potential Commercial Applications

"High-Performance Shaft Coupling Technology for Gas Turbine Engines"

Possible Prior Art

There may be prior art related to shaft couplings with internal and external splines, but the specific design with bowed splines may be a novel feature in this technology.

=== What are the manufacturing considerations for producing shaft couplings with bowed splines? To manufacture shaft couplings with bowed splines, considerations such as material selection, machining precision, and quality control processes need to be addressed to ensure the proper functioning of the coupling.

=== How does the use of bowed splines in the shaft coupling impact the overall efficiency of the gas turbine engine? The use of bowed splines in the shaft coupling can improve torque transmission and reduce wear on the components, leading to increased efficiency and performance of the gas turbine engine.


Original Abstract Submitted

A gas turbine engine includes a rotatably driven engine component including a shaft coupling. The shaft coupling defines a first axial centerline and includes an inner surface. The inner surface includes a plurality of internal splines extending radially inwardly from the inner surface with respect to the first axial centerline. The engine further includes a driving member having a driving end portion and defining a second axial centerline. The driving end portion includes an outer surface and a plurality of external splines extending radially outwardly from the outer surface with respect to the second axial centerline. The plurality of external splines is drivingly engaged with the plurality of internal splines. The plurality of internal splines or the plurality of external splines comprises bowed splines.