Inventor

CHAUDHRY ZAFFIR A

US76 patents

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

CHAUDHRY ZAFFIR A

UNITED TECHNOLOGIES CORP

Variable area nozzle for gas turbine engines driven by shape memory alloy actuators

System for modulating turbine blade tip clearance

System and method for in situ airfoil inspection

System for modulating turbine blade tip clearance

Adaptive case for a gas turbine engine

Adaptive morphing engine geometry

Auxiliary emergency protective lubrication system for metal mechanical components

System and method for monitoring gear and bearing health

Gas turbine engine with morphing variable compressor vanes

Inducing and monitoring a vibratory response in a component

In-situ wireless monitoring of engine bearings

Face seal with insert

RAYTHEON TECH CORP

Rotor blade inspection system

Rotor blade inspection system

Propulsor blade imaging assembly for an aircraft propulsion system

Morphing structures for fan inlet variable vanes

Propulsor blade imaging assembly for an aircraft propulsion system

Propulsor blade imaging assembly for an aircraft propulsion system

Face seal with insert

CARRIER CORP

Compressor bearing cooling

Low-oil refrigerants and vapor compression systems

Hybrid bearings

Heat transfer system with tribofilm on bearing surface

Direct drive refrigerant screw compressor with refrigerant lubricated rotors

Active filter for oil-free refrigerant compressor

SIKORSKY AIRCRAFT CORP

Hybrid actuator for helicopter rotor blade control flaps

Structural masking for progressive health monitoring

Structural hot spot and critical location monitoring system and method

Multifunctional load and damage sensor

Gear fault detection

Structure repair with polymer matrix composites

OTIS ELEVATOR CO

Elevator cord health monitoring

H frame for a double deck elevator

Double deck elevator with linear actuator adjustment mechanism

Double deck elevator with linear actuator adjustment mechanism

GOODRICH CORP

Carbon allotrope heater material with resistivity ranges suited for aircraft ice protection

Adjusting CNT resistance using perforated CNT sheets

Method to create carbon nanotube heaters with varying resistance

Method of making complex carbon nanotube sheets

HAMILTON SUNDSTRAND CORP

Compound harmonic gear

Aircraft electric motor

SUN FANPING

Active vibration suppression via power minimization

Bi-stable actuator for electronic lock

RTX CORP

Optical in-situ inspection system

Propulsor blade imaging assembly method for an aircraft propulsion system

JAIN ASHOK K

Variable shape inlet section for a nacelle assembly of a gas turbine engine

CHAUDHRY ZAFFIR A

Split gearbox and nacelle arrangement

MILTON-BENOIT JOHN M

Low energy clutch for electronic door lock

LELIC MUHIDIN A

Discharge flow control valve

JOHNSON & JOHNSON VISION CARE

Deformable molds and methods for their use in the manufacture of ophthalmic lenses