Inventor

HANRAHAN PAUL R

US75 patents

⚠️ This page may combine multiple inventors who share the name “HANRAHAN PAUL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HANRAHAN PAUL R

RAYTHEON TECH CORP

Splitter and guide vane arrangement for gas turbine engines

Boost spool flow control and generator load matching via load compressor

Gearbox for boost spool turbine engine

Aircraft skin heat exchanger

Transmission and method for control of boost spool

Low profile rotating bearing centering spring

Rear bearing air sourced and vented to nose cone

Systems and methods for hybrid electric turbine engines

Turboshaft engine with axial compressor

Inter-rotating assembly power coupling system for turbine engine

Selective power distribution for an aircraft propulsion system

Selective power distribution for an aircraft propulsion system

Selective power distribution for an aircraft propulsion system

Transmission and method for control of boost spool

Selective power distribution for an aircraft propulsion system

Transmission and method for control of boost spool

Pressure gain for cooling flow in aircraft engines

Mid mount sleeve arrangement

Augmented drive of compressors via differential and multistage turbine

Multistage gas turbine engine with differential drive of compressor

Aircraft propulsion system geartrain

RTX CORP

Aircraft propulsion system geartrain

Transmission and method for control of boost spool

Splitter and guide vane arrangement for gas turbine engines

Drivetrain for aircraft powerplant with boosted turbine engine

Non-uniform and bi-tri stator spacing for swirl recovery vane (SRV) open rotor engines

Aircraft propulsion system geartrain

Transmission and method for control of boost spool

Reduced clearance interface between a fluid device and a rotating structure for a geartrain

Turbofan with offset gas generator and auxiliary power core

Augmented drive of compressors via differential and multistage turbine

Remote mounted accessory gearbox

Aircraft vertical stabilizer with air system

Aircraft propulsion system geartrain

Aircraft propulsion system with multi-direction bleed valve

UNITED TECHNOLOGIES CORP

Adaptive engine with boost spool

Cooled cooling air system for a gas turbine engine

Systems and methods for hybrid electric turbine engines

Gas turbine engine with fluid damper

Gas turbine engine configured for modular assembly/disassembly and method for same

Particle tolerant turboshaft engine

Air foil with galvanic protection

Augmented drive of compressors via differential and multistage turbine

Gas turbine engine control based on characteristic of cooled air

Cooled cooling air system for a gas turbine engine

Cooling air heat exchanger scoop

Gas turbine engine configured for modular assembly/disassembly and method for same

HANRAHAN PAUL R

Brush seal assembly

ISOM JOSHUA D

Fluidized bed contaminant separator and water-control loop for a fuel reactant stream of a fuel cell

PRESTON JOHN L

System and method for reducing fuel cell power plant emissions