Inventor
PAYYOOR NARAYANAN
IN32 patents
Patents
32 patentsUS11603801B2Mar 14, 2023
Midshaft rating for turbomachine engines
GEN ELECTRIC7 citations85
US11724813B2Aug 15, 2023
Midshaft rating for turbomachine engines
GEN ELECTRIC8 citations82
US11808214B2Nov 7, 2023
Midshaft rating for turbomachine engines
GEN ELECTRIC5 citations72
US11002335B2May 11, 2021
Controllable magneto-rheological device for gas turbine engine
GEN ELECTRIC6 citations71
US11891905B2Feb 6, 2024
Bearing support assembly
GEN ELECTRIC2 citations69
US11162419B2Nov 2, 2021
Method and structure for operating engine with bowed rotor condition
GEN ELECTRIC4 citations69
US11162382B2Nov 2, 2021
Method and system for engine operation
GEN ELECTRIC2 citations68
US12546360B2Feb 10, 2026
Midshaft rating for turbomachine engines
GEN ELECTRIC0 citations62
US12215633B2Feb 4, 2025
Midshaft rating for turbomachine engines
GEN ELECTRIC0 citations62
US12140081B2Nov 12, 2024
Midshaft rating for turbomachine engines
GEN ELECTRIC0 citations62
US12071978B2Aug 27, 2024
Midshaft rating for turbomachine engines
GEN ELECTRIC0 citations62
US11879498B2Jan 23, 2024
Rotor damping devices for a turbomachine
GEN ELECTRIC0 citations62
US11795882B2Oct 24, 2023
Midshaft rating for turbomachine engines
GEN ELECTRIC0 citations62
US11512637B2Nov 29, 2022
Turbine engine bearing arrangement
GEN ELECTRIC1 citations62
US11492910B2Nov 8, 2022
Damper seals for rotating drums in turbomachines
GEN ELECTRIC1 citations62
US12486819B1Dec 2, 2025
High-speed shaft rating for turbine engines
GEN ELECTRIC0 citations61
US12421918B1Sep 23, 2025
High-speed shaft rating for turbine engines
GEN ELECTRIC0 citations61
US12416277B1Sep 16, 2025
High-speed shaft rating for turbine engines
GEN ELECTRIC0 citations61
US12392307B2Aug 19, 2025
High-speed shaft rating for turbine engines
GEN ELECTRIC0 citations61
US12264690B2Apr 1, 2025
Damping device for damping shaft vibration
GEN ELECTRIC0 citations61
US11971054B2Apr 30, 2024
Damping device for damping shaft vibration
GEN ELECTRIC1 citations61
US11274557B2Mar 15, 2022
Damper assemblies for rotating drum rotors of gas turbine engines
GEN ELECTRIC0 citations61
US12421871B2Sep 23, 2025
Bearing support assembly
GEN ELECTRIC0 citations59
US12065254B2Aug 20, 2024
Midshaft rating for turbomachine engines
GEN ELECTRIC0 citations59
US10738653B2Aug 11, 2020
Squeeze film damper assemblies
GEN ELECTRIC1 citations59
US11828235B2Nov 28, 2023
Gearbox for a gas turbine engine utilizing shape memory alloy dampers
GEN ELECTRIC1 citations55
US11280219B2Mar 22, 2022
Rotor support structures for rotating drum rotors of gas turbine engines
GEN ELECTRIC0 citations51
US12203377B2Jan 21, 2025
Midshaft rating for turbomachine engines
GEN ELECTRIC0 citations50
US11725590B2Aug 15, 2023
Turbomachine and gear assembly
GEN ELECTRIC0 citations50
US11162428B2Nov 2, 2021
Method of starting a gas turbine engine
GEN ELECTRIC0 citations50
US12281582B2Apr 22, 2025
Rotating airfoil assembly for an aircraft engine
GEN ELECTRIC0 citations46
US12297743B2May 13, 2025
Gas turbine engine having a sensor assembly to detect torsional vibration
GEN ELECTRIC0 citations45