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Pratt x26 Whitney Canada Corp
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Pratt & Whitney patents

Recent patent applications related to Pratt & Whitney. Pratt & Whitney is listed as an Agent/Assignee. Note: Pratt & Whitney may have other listings under different names/spellings. We're not affiliated with Pratt & Whitney, we're just tracking patents.

ARCHIVE: New 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "P" | Pratt & Whitney-related inventors




Date Pratt & Whitney patents (updated weekly) - BOOKMARK this page
03/10/16Offtakes for gas turbine engine secondary gas flows
04/10/14Thin metal duct damper
02/06/14No flange damage wedge lock washers
01/16/14Method of manufacturing fan blade shields
01/16/14Dynamic stability and mid axial preload control for a tie shaft coupled axial high pressure rotor
01/02/14Gas turbine fuel nozzle end cover using au-ni braze and method producing same
12/26/13Machined aerodynamic intercompressor bleed ports
12/12/13Ring seal midplate
12/05/13Optical detection of airfoil axial position with nsms
11/21/13Manufacturing process for aerospace bearing rolling elements
11/14/13Convective shielding cooling hole pattern
11/14/13Stator assembly
11/07/13Method for working of combustor float wall panels
10/31/13Tec mount redundant fastening
10/24/13Electronic means for detecting buffered main shaft seal wear or failure in a turbine engine
10/17/13Duplex finger seal for joints with high relative displacement
10/10/13Liquid drop peening method and apparatus therefor
10/03/13Dual-intent locator pin and removable plug for gas turbines
10/03/13Knife edge seal for gas turbine engine
09/12/13Exit manifold flow guide
09/12/13Low pressure compressor variable vane control for two-spool turbofan or turboprop engine
09/05/13Diffuser seal for geared turbofan or turboprop engines
08/29/13Method of using an afterburner to reduce high velocity jet engine noise
08/15/13Anti-rotation stator segments
08/08/13Integrated multicoat automatic pause resume circuit
08/01/13Modal tuning for vanes
07/11/13Automated dewpoint oxygen measurement system
06/20/13Hybrid control system
06/13/13Gas turbine engine with variable overall pressure ratio
05/09/13System and data-driven automated borescope inspection
05/09/13System and automated borescope inspection user interface
05/09/13Method and system for position control based on automated defect detection feedback
05/09/13System and multiple simultaneous automated defect detection
05/09/13System and automated defect detection utilizing prior data
05/09/13Method and system for automated defect detection
04/11/13Combined pump system for engine tms aoc reduction and ecs loss elimination
02/28/13Substrates coated with wear resistant layers and methods of applying wear resistant layers to same
07/26/12Machine tool - based, optical coordinate measuring machine calibration device
09/22/11Cover plate for turbine vane assembly
02/04/10Combined matching and inspection process in machining of fan case rub strips
10/08/09Systems and methods for modeling surface properties of a mechanical component
12/12/13Ring seal midplate
02/09/17Die casting machine shot sleeve
06/30/16Insert for die cast shot sleeve
02/11/16Segmented die casting block
12/10/15Turbine shroud milling
06/18/15Shot sleeve assembly with materials of different coefficients of thermal expansion
06/11/15Tip fabrication for rotor blade or stator vane airfoil
01/02/14Protective polishing mask
12/05/13Polishing assembly and polishing
12/16/10Electrical discharge assembly and repairing diffusion cooling passages
02/25/10Fixture for compressor stator chord restoration repair
11/19/09Compressor stator chord restoration repair method and apparatus
02/04/16Tight-shale oil production tool
11/26/15Additive manufacturing for elevated-temperature ductility and stress rupture life
10/22/15Adjustable valve sleeve
09/03/15Water conserving syngas cleanup system
07/10/14Steam generator and generating steam
07/10/14Method for purifying water and water treatment system therefor
03/20/14Reduced build mass additive manufacturing chamber
07/04/13Pumping element design
03/21/13Flow battery stack with an integrated heat exchanger
01/31/13Flow battery cells arranged between an inlet manifold and an outlet manifold
01/17/13Functionally graded additive manufacturing with in situ heat treatment
12/20/12System and sensing and mitigating hydrogen evolution within a flow battery system
Patent Packs
12/20/12System and operating a flow battery system at an elevated temperature
09/27/12Structurally efficient cooled engine housing for rotary engines
08/16/12Augmented expander cycle
07/21/11Rotary engine with exhaust gas supplemental compounding
05/12/11Heliostat joint
10/28/10Augmenter for compound compression engine
10/07/10Nano-particle wave heat pipe
06/24/10Charge pump
01/07/10Remote transmission detecting onset of structural failure
12/31/09Tapered, frequency-tuned rotor for turbine flow meter
10/08/09Stackable battery module
07/30/09Friction stir welded bladder fuel tank
03/12/09Dual neutron-gamma ray source
03/12/09Variable-ratio neutron-gamma ray source
03/12/09Neutron-gamma ray tomography
Patent Packs
01/07/10Remote transmission detecting onset of structural failure
02/09/12Probe cleaning method and apparatus
03/24/16Gas turbine engine inlet
06/25/15Fluid manifold for gas turbine engine and delivering fuel to a combustor using same
03/30/17 new patent  Gas turbine engine cover
03/30/17 new patent  Seal arrangement for compressor or turbine section of gas turbine engine
03/30/17 new patent  Integrated strut and turbine vane nozzle arrangement
03/30/17 new patent  Gas turbine engine exhaust mixer with lobes cross-over offset
03/30/17 new patent  Deployment mechanism for inflatable surface-increasing features for gas turbine engine
03/30/17 new patent  Single skin combustor with heat transfer enhancement
03/30/17 new patent  Single skin combustor heat transfer augmenters
03/16/17Gas turbine engine rotor balancing
03/16/17Liquid cooling system with thermal valve deflector
03/16/17Rotary internal combustion engine with variable volumetric compression ratio
03/16/17Heat shield labyrinth seal
03/16/17Compressor variable vane assembly
03/16/17Combustor for gas turbine engine
03/09/17Rotary internal combustion engine with pilot subchamber
03/02/17Combustor cooling system
03/02/17Internally cooled dilution hole bosses for gas turbine engine combustors
02/23/17Oil scupper system for bearing housing of gas turbine engine
02/23/17Compound cycle engine
02/23/17Combustor heat shield with carbon avoidance feature
02/16/17Turbine shroud segment sealing
02/16/17Combustor shape cooling system
02/09/17Inflight power management for aircraft
02/09/17Aircraft heating assembly with liquid cooled internal combustion engine and heating element using waste heat
02/09/17Turboprop engine assembly with combined engine and cooling exhaust
02/09/17Auxiliary power unit with electrically driven compressor
02/09/17Auxiliary power unit with variable speed ratio
Social Network Patent Pack
02/09/17Auxiliary power unit with combined cooling of generator
02/09/17Free gas turbine with constant temperature-corrected gas generator speed
02/02/17Turbine blade with hot-corrosion-resistant coating
02/02/17Turbine section with tip flow vanes
02/02/17Turbine vane rear insert scheme
01/26/17Fuel filter and bypass valve arrangement
01/26/17Manufacturing of turbine shroud segment with internal cooling passages
01/26/17Integrated strut-vane nozzle (isv) with uneven vane axial chords
01/26/17Gas turbine engine combustor and forming same
01/05/17Air cooled air cooler for gas turbine engine air system
Patent Packs
12/29/16Auxiliary power unit with intercooler
12/29/16Auxiliary power unit with excess air recovery
12/29/16Compound engine assembly with direct drive of generator
12/29/16Segmented multi-lobe mixer
12/29/16Compound engine assembly with bleed air
12/29/16Sensor probe with anti-icing
12/22/16Compound engine assembly with exhaust pipe nozzle
12/22/16Valve assembly with oil shut-off valve
12/22/16Evaluation of component condition through analysis of material interaction
12/01/16Seal and bearing assembly for a gas turbine engine and assembling same
12/01/16Rotor resonance disturbance rejection controller
12/01/16Turbofan bypass air cooled oil cooler fairings
12/01/16Translating gaspath bleed valve
12/01/16Compressor airfoil with compound leading edge profile
12/01/16Gas turbine stator with winglets
12/01/16Internally cooled seal runner and cooling seal runner of a gas turbine engine
12/01/16System and automated part inspection
12/01/16Method and kit for preserving a fuel system of an aircraft engine
11/17/16Thermal barrier coating with lower thermal conductivity
11/17/16Automated propeller feather testing
11/17/16Steel soft wall fan case
11/17/16Multiple turboshaft engine control helicopters
11/10/16Integrated tec/mixer strut axial position
11/10/16System and speed sensor position detection in a multiple channel control system
11/03/16Two-stage combustor for gas turbine engine
10/27/16Rotor assembly with scoop
10/27/16Rotor assembly with wear member
10/27/16Turboprop engine with compressor turbine shroud
10/27/16Noise reduction using igv flow ejections
10/20/16Gas turbine engine rotor mistuning
Patent Packs
10/20/16Manufacturing of turbine shroud segment with internal cooling passages
10/20/16Gas turbine engine rotor casing treatment
10/20/16Oil tank and scavenge pipe assembly of a gas turbine engine and delivering an oil and air mixture to same
10/20/16Voltage discharge channelling assembly for a gas turbine engine
10/20/16Gas turbine engine combustor
10/13/16Internal combustion engine with pilot and main injection
10/13/16Gas turbine engine recuperator with floating connection
10/13/16Diffusing gas turbine engine recuperator
10/13/16Combustor heat shield
10/13/16Combustor dome heat shield
10/06/16Method of machining surfaces of rotor disc and grinding machine therefor
10/06/16Blade cutback distribution in rotor for noise reduction
10/06/16Air cooler system for gas turbine engines
10/06/16Dual pre-load cylindrical seal
09/29/16Mold assembly and guide element thereof
09/29/16Laser drilling through multi-layer components
09/29/16Aircraft power outtake management
09/29/16Fluid delivery system for a gas turbine engine
09/29/16Reduction gearbox for a gas turbine engine
09/29/16Fuel system for a gas turbine engine
Social Network Patent Pack
09/29/16Bearing system with bearing damper
09/22/16Internally cooled gas turbine engine airfoil
09/22/16Automated test strip peening
09/15/16Method of forming a component from a green part
09/15/16Laser drilling methods of shallow-angled hole
09/15/16Secondary air system with venturi
09/15/16Overthrust protection system and method
09/08/16Airfoil blade
09/01/16Gas turbine engine cover
09/01/16Rotor blade vibration damper
09/01/16Rotary internal combustion engine with removable subchamber insert
08/25/16Engine intake assembly with selector valve
08/25/16Compound engine assembly with common inlet
08/25/16Engine assembly with modular compressor and turbine
08/25/16Compound engine assembly with modulated flow
08/25/16Compound engine assembly with offset turbine shaft, engine shaft and inlet duct
08/25/16Compound engine assembly with cantilevered compressor and turbine
08/25/16Rotary internal combustion engine with pilot subchamber and ignition element
08/25/16Compound engine assembly with coaxial compressor and offset turbine section
08/25/16Compound engine assembly with mount cage
Social Network Patent Pack
08/25/16Compound engine assembly with mount cage
08/25/16Compound engine assembly with inlet lip anti-icing
08/25/16Compound engine assembly with confined fire zone
08/18/16Low hub-to-tip ratio fan for a turbofan gas turbine engine
08/11/16Gearbox having gear baffle apparatus
08/11/16Apparatus and methods for powering an electrical device associated with an aircraft rotor technical field
07/28/16Oxidation-resistant coated superalloy
06/30/16Thermally responsive controlled gap seal device
06/23/16System and automated machining of toothed members
06/23/16Gas turbine engine with angularly offset turbine vanes
06/23/16Exhaust duct
06/16/16Seal runner
06/16/16Turbine shroud sealing architecture
06/16/16Modulated cooled p3 air for impeller
06/09/16Grinding wheel and method
06/02/16Sealing assembly
06/02/16Gas turbine fuel control system
06/02/16Gas turbine engine exhaust mixer
05/26/16Airfoil with stepped spanwise thickness distribution
05/26/16Method of measuring temperature of a heated part
05/19/16Method for applying a coating to a substrate
05/19/16Gear with optimized gear web shape
05/05/16Method of balancing a gas turbine engine rotor
04/28/16Diffuser pipe with splitter vane
04/28/16Solenoid transient variable resistance feedback for effecter position detection
04/21/16Engine structure assembly procedure
04/21/16Partially coated blade
04/21/16Production of turbine components with heat-extracting features using additive manufacturing
04/14/16Tip-controlled integrally bladed rotor for gas turbine engine
04/07/16Accessory drive system for a gas turbine engine
Social Network Patent Pack
04/07/16Combustor for gas turbine engine
04/07/16Fuel nozzle
04/07/16Fuel nozzle
04/07/16Fuel nozzle
03/31/16Gas turbine engine module adapter to a carrier
03/31/16Inner bypass duct
03/24/16High pressure turbine blade cooling hole distribution
03/24/16Gas turbine engine with partial inlet vane
03/24/16Fuel nozzle
03/24/16System and multi-domain graphical modeling
03/17/16Method of cleaning a part
03/17/16Physical connection of network components in a graphical computer environment with one-way signal propagation
03/10/16Compound cycle engine
03/03/16Rotary airfoil
03/03/16Operation of aircraft engines during transient conditions
03/03/16Compressor rotor with anti-vortex fins
03/03/16Compressor rotor airfoil
03/03/16Compressor airfoil
03/03/16Heat shield labyrinth seal
02/25/16Variable geometry inlet system
02/25/16Low noise aeroengine inlet system
02/25/16Low noise aeroengine inlet system
02/25/16Low noise aeroengine inlet system
02/25/16In flight restart free turbine engine
02/25/16Combustor for gas turbine engine
02/18/16Abradable coatings for gas turbine engine components
02/18/16Rotor for gas turbine engine
02/18/16Iinternal combustion engine with common rail pilot and main injection
02/18/16Atomizing fuel nozzle







ARCHIVE: New 2016 2015 2014 2013 2012 2011 2010 2009



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