Inventor

Ching-Pang Lee

Inventor

Cincinnati, OH, US

Overview

1985–2020

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 350 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F01Dprimary

F01DNon-positive displacement machines or engines, e.g. steam turbines29%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants24%

Y02TClimate change mitigation technologies related to transportation14%

Y10TTechnical subjects covered by former us classification6%

F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers3%

B22CFoundry moulding3%

C23CCoating metallic material3%

F02CGas-turbine plants3%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application2%

B23PMetal-working not otherwise provided for1%

PatentTitleYear

10,787,911Cooling configuration for a gas turbine engine airfoil2020 10,697,306Gas turbine airfoil including integrated leading edge and tip cooling fluid passage and core structure used for forming such an airfoil2020 10,526,900Shrouded turbine blade2020 10,393,132Compressor usable within a gas turbine engine2019 10,221,716Turbine abradable layer with inclined angle surface ridge or groove pattern2019 10,196,906Turbine blade with a non-constraint flow turning guide structure2019 10,189,082Turbine shroud with abradable layer having dimpled forward zone2019 10,190,435Turbine shroud with abradable layer having ridges with holes2019 10,060,270Internal cooling system with converging-diverging exit slots in trailing edge cooling channel for an airfoil in a turbine engine2018 10,053,993Shrouded turbine airfoil with leakage flow conditioner2018 10,022,790Turbine airfoil cooling system with leading edge impingement cooling system turbine blade investment casting using film hole protrusions for integral wall thickness control2018 9,995,150Cooling configuration for a gas turbine engine airfoil2018 9,963,996Shroud cooling system for shrouds adjacent to airfoils within gas turbine engines2018 9,920,646'Turbine abradable layer with compound angle, asymmetric surface area ridge and groove pattern'2018 9,874,102Cooled turbine vane platform comprising forward, midchord and aft cooling chambers in the platform2018 9,863,256'Internal cooling system with insert forming nearwall cooling channels in an aft cooling cavity of an airfoil usable in a gas turbine engine'2018 9,840,930'Internal cooling system with insert forming nearwall cooling channels in midchord cooling cavities of a gas turbine airfoil'2017 9,810,074'Segmented turbine blade squealer tip and cooling method'2017 9,810,081'Cooled conduit for conveying combustion gases'2017 9,797,267'Turbine airfoil with optimized airfoil element angles'2017 9,745,853'Integrated circuit cooled turbine blade'2017 9,644,489'Additive manufacturing of abradable mesh structure on ring segment surface'2017 9,631,506'Turbine abradable layer with composite non-inflected bi-angle ridges and grooves'2017 9,631,509'Rim seal arrangement having pumping feature'2017 9,630,277'Airfoil having built-up surface with embedded cooling passage'2017 9,566,642'Composite core die, methods of manufacture thereof and articles manufactured therefrom'2017 9,551,227'Component cooling channel'2017 9,546,558'Damping resonator with impingement cooling'2017 9,494,043'Turbine blade having contoured tip shroud'2016 9,366,143'Cooling module design and method for cooling components of a gas turbine system'2016 9,347,324'Turbine airfoil vane with an impingement insert having a plurality of impingement nozzles'2016 9,334,741'Discreetly defined porous wall structure for transpirational cooling'2016 9,260,979'Outer rim seal assembly in a turbine engine'2016 9,249,680'Turbine abradable layer with asymmetric ridges or grooves'2016 9,243,511'Turbine abradable layer with zig zag groove pattern'2016 9,234,438'Turbine engine component wall having branched cooling passages'2016 9,216,451'Method of casting a component having interior passageways'2015 9,206,700'Outer vane support ring including a strong back plate in a compressor section of a gas turbine engine'2015 9,206,904'Seal including flexible seal strips'2015 9,186,757'Method of providing a turbine blade tip repair'2015 9,181,816'Seal assembly including grooves in an aft facing side of a platform in a gas turbine engine'2015 9,181,819'Component wall having diffusion sections for cooling in a turbine engine'2015 9,151,175'Turbine abradable layer with progressive wear zone multi level ridge arrays'2015 9,133,721'Turbine transition component formed from a two section, air-cooled multi-layer outer panel for use in a gas turbine engine'2015 9,132,476'Multi-wall gas turbine airfoil cast using a ceramic core formed with a fugitive insert and method of manufacturing same'2015 9,120,144'Casting core for twisted gas turbine engine airfoil having a twisted rib'2015 9,121,298'Finned seal assembly for gas turbine engines'2015 9,097,117'Turbine transition component formed from an air-cooled multi-layer outer panel for use in a gas turbine engine'2015 9,091,495'Cooling passage including turbulator system in a turbine engine component'2015 9,085,981'Ducting arrangement for cooling a gas turbine structure'2015 9,068,461'Turbine rotor disk inlet orifice for a turbine engine'2015 9,068,513'Seal assembly including grooves in an inner shroud in a gas turbine engine'2015 9,062,557'Flow discourager integrated turbine inter-stage U-ring'2015 9,061,349'Investment casting method for gas turbine engine vane segment'2015 9,057,276'Twisted gas turbine engine airfoil having a twisted rib'2015 9,039,371'Trailing edge cooling using angled impingement on surface enhanced with cast chevron arrangements'2015 9,039,357'Seal assembly including grooves in a radially outwardly facing side of a platform in a gas turbine engine'2015 9,028,207'Cooled component wall in a turbine engine'2015 9,022,736'Integrated axial and tangential serpentine cooling circuit in a turbine airfoil'2015 9,017,027'Component having cooling channel with hourglass cross section'2015 9,017,025'Serpentine cooling circuit with T-shaped partitions in a turbine airfoil'2015 9,017,014'Aft outer rim seal arrangement'2015 9,011,077'Cooled airfoil in a turbine engine'2015 9,010,125'Regeneratively cooled transition duct with transversely buffered impingement nozzles'2015 9,004,866'Turbine blade incorporating trailing edge cooling design'2015 8,985,949'Cooling system including wavy cooling chamber in a trailing edge portion of an airfoil assembly'2015 8,973,372'Combustor shell air recirculation system in a gas turbine engine'2015 8,959,886'Mesh cooled conduit for conveying combustion gases'2015 8,951,004'Cooling arrangement for a gas turbine component'2015 8,944,763'Turbine blade cooling system with bifurcated mid-chord cooling chamber'2015 8,939,707'Turbine abradable layer with progressive wear zone terraced ridges'2015 8,939,716'Turbine abradable layer with nested loop groove pattern'2015 8,939,717'Vane outer support ring with no forward hook in a compressor section of a gas turbine engine'2015 8,939,705'Turbine abradable layer with progressive wear zone multi depth grooves'2015 8,939,711'Outer rim seal assembly in a turbine engine'2015 8,939,706'Turbine abradable layer with progressive wear zone having a frangible or pixelated nib surface'2015 8,936,068'Method of casting a component having interior passageways'2015 8,936,067'Casting core for a cooling arrangement for a gas turbine component'2015 8,926,283'Turbine blade angel wing with pumping features'2015 8,926,267'Ambient air cooling arrangement having a pre-swirler for gas turbine engine blade cooling'2015 8,920,111'Airfoil incorporating tapered cooling structures defining cooling passageways'2014 8,920,109'Vane carrier thermal management arrangement and method for clearance control'2014 8,920,123'Turbine blade with integrated serpentine and axial tip cooling circuits'2014 8,920,124'Turbine blade with contoured chamfered squealer tip'2014 8,920,122'Turbine airfoil with an internal cooling system having vortex forming turbulators'2014 8,893,510'Air injection system in a gas turbine engine'2014 8,894,363'Cooling module design and method for cooling components of a gas turbine system'2014 8,894,359'Gas turbine engine with outer case ambient external cooling system'2014 8,894,352'Ring segment with forked cooling passages'2014 8,894,367'Compound cooling flow turbulator for turbine component'2014 8,882,448'Cooling system in a turbine airfoil assembly including zigzag cooling passages interconnected with radial passageways'2014 8,884,182'Method of modifying the end wall contour in a turbine using laser consolidation and the turbines derived therefrom'2014 8,870,537'Near-wall serpentine cooled turbine airfoil'2014 8,864,457'Gas turbine with optimized airfoil element angles'2014 8,864,438'Flow control insert in cooling passage for turbine vane'2014 8,866,084'Infrared non-destructive evaluation method and apparatus'2014 8,864,452'Flow directing member for gas turbine engine'2014 8,840,363'Trailing edge cooling system in a turbine airfoil assembly'2014 8,827,632'Integrated TBC and cooling flow metering plate in turbine vane'2014 8,826,668'Two stage serial impingement cooling for isogrid structures'2014 8,820,090'Method for operating a gas turbine engine including a combustor shell air recirculation system'2014 8,820,091'External cooling fluid injection system in a gas turbine engine'2014 8,814,507'Cooling system for three hook ring segment'2014 8,764,394'Component cooling channel'2014 8,727,704'Ring segment with serpentine cooling passages'2014 8,727,716'Turbine nozzle with contoured band'2014 8,721,291'Flow directing member for gas turbine engine'2014 8,714,926'Turbine component cooling channel mesh with intersection chambers'2014 8,684,691'Turbine blade with chamfered squealer tip and convective cooling holes'2014 8,684,684'Turbine assembly with end-wall-contoured airfoils and preferenttial clocking'2014 8,668,453'Cooling system having reduced mass pin fins for components in a gas turbine engine'2014 8,667,682'Method of fabricating a nearwall nozzle impingement cooled component for an internal combustion engine'2014 8,647,067'Banked platform turbine blade'2014 8,632,311'Flared tip turbine blade'2014 8,608,443'Film cooled component wall in a turbine engine'2013 8,535,006'Near-wall serpentine cooled turbine airfoil'2013 8,512,003'Tip ramp turbine blade'2013 8,500,396'Cascade tip baffle airfoil'2013 8,459,956'Curved platform turbine blade'2013 8,435,001'Plasma induced flow control of boundary layer at airfoil endwall'2013 8,425,183'Triforial tip cavity airfoil'2013 8,413,709'Composite core die, methods of manufacture thereof and articles manufactured therefrom'2013 8,319,146'Method and apparatus for laser cutting a trench'2012 8,317,457'Method of operating a compressor'2012 8,226,360'Crenelated turbine nozzle'2012 8,205,458'Duplex turbine nozzle'2012 8,147,192'Dual stage turbine shroud'2012 8,104,292'Duplex turbine shroud'2012 7,976,274'Methods and apparatus for assembling turbine engines'2011 7,964,087'Methods and systems for forming cooling holes having circular inlets and non-circular outlets'2011 7,938,168'Ceramic cores, methods of manufacture thereof and articles manufactured from the same'2011 7,938,951'Methods and systems for forming tapered cooling holes'2011 7,926,289'Dual interstage cooled engine'2011 7,870,743'Compound nozzle cooled engine'2011 7,870,742'Interstage cooled turbine engine'2011 7,870,719'Plasma enhanced rapidly expanded gas turbine engine transition duct'2011 7,836,703'Reciprocal cooled turbine nozzle'2010 7,819,626'Plasma blade tip clearance control'2010 7,806,653'Gas turbine engines including multi-curve stator vanes and methods of assembling the same'2010 7,794,201'Gas turbine engines including lean stator vanes and methods of assembling the same'2010 7,785,067'Method and system to facilitate cooling turbine engines'2010 7,774,171'Methods for optimizing parameters of gas turbine engine components'2010 7,766,599'Plasma lifted boundary layer gas turbine engine vane'2010 7,758,306'Turbine assembly for a gas turbine engine and method of manufacturing the same'2010 7,743,613'Compound turbine cooled engine'2010 7,740,442'Methods and system for cooling integral turbine nozzle and shroud assemblies'2010 7,739,873'Gas turbine engine combustor hot streak control'2010 7,740,444'Methods and system for cooling integral turbine shround assemblies'2010 7,736,123'Plasma induced virtual turbine airfoil trailing edge extension'2010 7,722,315'Method and system to facilitate preferentially distributed recuperated film cooling of turbine shroud assembly'2010 7,695,243'Dust hole dome blade'2010 7,695,241'Downstream plasma shielded film cooling'2010 7,690,885'Methods and system for shielding cooling air to facilitate cooling integral turbine nozzle and shroud assemblies'2010 7,686,578'Conformal tip baffle airfoil'2010 7,674,093'Cluster bridged casting core'2010 7,665,953'Methods and system for recuperated cooling of integral turbine nozzle and shroud assemblies'2010 7,654,734'Methods and devices for evaluating the thermal exposure of a metal article'2010 7,628,585'Airfoil leading edge end wall vortex reducing plasma'2009 7,624,787'Disposable insert, and use thereof in a method for manufacturing an airfoil'2009 7,625,174'Methods and apparatus for assembling gas turbine engine stator assemblies'2009 7,611,324'Method and system to facilitate enhanced local cooling of turbine engines'2009 7,607,893'Counter tip baffle airfoil'2009 7,604,453'Methods and system for recuperated circumferential cooling of integral turbine nozzle and shroud assemblies'2009 7,594,388'Counterrotating turbofan engine'2009 7,591,070'Turbine blade tip squealer and rebuild method'2009 7,588,413'Upstream plasma shielded film cooling'2009 7,584,538'Method of forming a turbine blade with cooling channels'2009 7,578,653'Ovate band turbine stage'2009 7,575,414'Turbine nozzle with trailing edge convection and film cooling'2009 7,575,415'Methods and apparatus for assembling turbine engines'2009 7,513,102'Integrated counterrotating turbofan'2009 7,510,376'Skewed tip hole turbine blade'2009 7,510,371'Forward tilted turbine nozzle'2009 7,503,749'Turbine nozzle with trailing edge convection and film cooling'2009 7,487,819'Disposable thin wall core die, methods of manufacture thereof and articles manufactured therefrom'2009 7,452,183'Thermally compliant turbine shroud assembly'2008 7,448,846'Thermally compliant turbine shroud mounting'2008 7,442,004'Thermally compliant C-clip'2008 7,438,520'Thermally compliant turbine shroud mounting assembly'2008 7,419,352'Methods and apparatus for assembling turbine engines'2008 7,413,001'Synthetic model casting'2008 7,387,488'Cooled turbine shroud'2008 7,387,492'Methods and apparatus for cooling turbine blade trailing edges'2008 7,377,746'Airfoil cooling circuits and method'2008 7,377,747'Turbine airfoil with integrated impingement and serpentine cooling circuit'2008 7,374,401'Bell-shaped fan cooling holes for turbine airfoil'2008 7,371,046'Turbine airfoil with variable and compound fillet'2008 7,360,988'Methods and apparatus for assembling turbine engines'2008 7,341,427'Gas turbine nozzle segment and process therefor'2008 7,335,429'Coating and coating process incorporating raised surface features for an air-cooled surface'2008 7,328,580'Chevron film cooled wall'2008 7,322,797'Damper cooled turbine blade'2008 7,302,990'Method of forming concavities in the surface of a metal component, and related processes and articles'2007 7,296,973'Parallel serpentine cooled blade'2007 7,293,961'Zigzag cooled turbine airfoil'2007 7,290,986'Turbine airfoil with curved squealer tip'2007 7,287,959'Blunt tip turbine blade'2007 7,281,894'Turbine airfoil curved squealer tip with tip shelf'2007 7,270,514'Turbine blade tip squealer and rebuild method'2007 7,249,934'Pattern cooled turbine airfoil'2007 7,249,933'Funnel fillet turbine stage'2007 7,246,992'High efficiency fan cooling holes for turbine airfoil'2007 7,244,101'Dust resistant platform blade'2007 7,220,100'Crescentic ramp turbine stage'2007 7,217,096'Fillet energized turbine stage'2007 7,217,092'Method and apparatus for reducing turbine blade temperatures'2007 7,195,454'Bullnose step turbine nozzle'2007 7,186,091'Methods and apparatus for cooling gas turbine engine components'2007 7,186,085'Multiform film cooling holes'2007 7,186,084'Hot gas path component with mesh and dimpled cooling'2007 7,182,576'Hot gas path component with mesh and impingement cooling'2007 7,140,835'Corner cooled turbine nozzle'2006 7,134,842'Scalloped surface turbine stage'2006 7,124,573'Rotary pulse detonation system with aerodynamic detonation passages for use in a gas turbine engine'2006 7,118,342'Fluted tip turbine blade'2006 7,108,479'Methods and apparatus for supplying cooling fluid to turbine nozzles'2006 7,097,419'Common tip chamber blade'2006 7,097,426'Cascade impingement cooled airfoil'2006 7,096,674'High thrust gas turbine engine with improved core system'2006 7,094,031'Offset Coriolis turbulator blade'2006 7,093,446'Gas turbine engine having improved core system'2006 7,094,444'Method for repairing coated components using NiAl bond coats'2006 7,078,073'Method for repairing coated components'2006 7,011,502'Thermal shield turbine airfoil'2006 6,990,797'Methods and apparatus for operating gas turbine engines'2006 6,984,102'Hot gas path component with mesh and turbulated cooling'2006 6,984,103'Triple circuit turbine blade'2006 6,981,841'Triple circuit turbine cooling'2006 6,981,840'Converging pin cooled airfoil'2006 6,960,060'Dual coolant turbine blade'2005 6,931,858'Rotating pulse detonation system for a gas turbine engine'2005 6,933,066'Thermal barrier coating protected by tantalum oxide and method for preparing same'2005 6,924,002'Coating and coating process incorporating raised surface features for an air-cooled surface'2005 6,921,014'Method for forming a channel on the surface of a metal substrate'2005 6,919,121'Component with repaired thermal barrier coating'2005 6,910,620'Method for providing turbulation on the inner surface of holes in an article, and related articles'2005 6,905,302'Network cooled coated wall'2005 6,904,750'Integral pulse detonation system for a gas turbine engine'2005 6,846,575'Article having turbulation and method of providing turbulation on an article'2005 6,837,687'Foil formed structure for turbine airfoil'2005 6,838,190'Article with intermediate layer and protective layer, and its fabrication'2005 6,832,889'Integrated bridge turbine blade'2004 6,790,005'Compound tip notched blade'2004 6,786,982'Casting having an enhanced heat transfer, surface, and mold and pattern for forming same'2004 6,761,956'Ventilated thermal barrier coating'2004 6,743,350'Apparatus and method for rejuvenating cooling passages within a turbine airfoil'2004 6,729,842'Methods and apparatus to reduce seal rubbing within gas turbine engines'2004 6,672,829'Turbine blade having angled squealer tip'2004 6,640,546'Foil formed cooling area enhancement'2003 6,634,860'Foil formed structure for turbine airfoil tip'2003 6,617,003'Directly cooled thermal barrier coating system'2003 6,612,808'Article wall with interrupted ribbed heat transfer surface'2003 6,599,568'Method for cooling engine components using multi-layer barrier coating'2003 6,598,781'Article having turbulation and method of providing turbulation on an article'2003 6,595,749'Turbine airfoil and method for manufacture and repair thereof'2003 6,589,600'Turbine engine component having enhanced heat transfer characteristics and method for forming same'2003 6,582,584'Method for enhancing heat transfer inside a turbulated cooling passage'2003 6,582,834'Anti-stick coating for internal passages of turbine components'2003 6,558,119'Turbine airfoil with separately formed tip and method for manufacture and repair thereof'2003 6,554,571'Curved turbulator configuration for airfoils and method and electrode for machining the configuration'2003 6,551,063'Foil formed structure for turbine airfoil trailing edge'2003 6,551,061'Process for forming micro cooling channels inside a thermal barrier coating system without masking material'2003 6,546,730'Method and apparatus for enhancing heat transfer in a combustor liner for a gas turbine'2003 6,537,619'Method of salvaging castings with defective cast cooling bumps'2003 6,528,118'Process for creating structured porosity in thermal barrier coating'2003 6,526,756'Method and apparatus for enhancing heat transfer in a combustor liner for a gas turbine'2003 6,511,762'Multi-layer thermal barrier coating with transpiration cooling'2003 6,505,673'Method for forming a turbine engine component having enhanced heat transfer characteristics'2003 6,502,622'Casting having an enhanced heat transfer, surface, and mold and pattern for forming same'2003 6,499,949'Turbine airfoil trailing edge with micro cooling channels'2002 6,468,669'Article having turbulation and method of providing turbulation on an article'2002 6,461,108'Cooled thermal barrier coating on a turbine blade tip'2002 6,461,107'Turbine blade tip having thermal barrier coating-formed micro cooling channels'2002 6,426,152'Salvaged castings and methods of salvaging castings with defective cast cooling bumps'2002 6,422,821'Method and apparatus for reducing turbine blade tip temperatures'2002 6,416,283'Electrochemical machining process, electrode therefor and turbine bucket with turbulated cooling passage'2002 6,413,578'Method for repairing a thermal barrier coating and repaired coating formed thereby'2002 6,402,464'Enhanced heat transfer surface for cast-in-bump-covered cooling surfaces and methods of enhancing heat transfer'2002 6,399,217'Article surface with metal wires and method for making'2002 6,394,755'Enhanced coating system for turbine airfoil applications'2002 6,382,913'Method and apparatus for reducing turbine blade tip region temperatures'2002 6,382,300'Casting having an enhanced heat transfer, surface, and mold and pattern for forming same'2002 6,379,528'Electrochemical machining process for forming surface roughness elements on a gas turbine shroud'2002 6,375,425'Transpiration cooling in thermal barrier coating'2002 6,354,795'Shroud cooling segment and assembly'2002 6,341,939'Tandem cooling turbine blade'2002 6,331,098'Coriolis turbulator blade'2001 6,302,185'Casting having an enhanced heat transfer surface, and mold and pattern for forming same'2001 6,290,463'Slotted impingement cooling of airfoil leading edge'2001 6,273,682'Turbine blade with preferentially-cooled trailing edge pressure wall'2001 6,243,948'Modification and repair of film cooling holes in gas turbine engine components'2001 6,237,344'Dimpled impingement baffle'2001 6,234,755'Method for improving the cooling effectiveness of a gaseous coolant stream, and related articles of manufacture'2001 6,234,753'Turbine airfoil with internal cooling'2001 6,220,817'AFT flowing multi-tier airfoil cooling circuit'2001 6,207,295'Article with tailorable high temperature coating'2001 6,196,792'Preferentially cooled turbine shroud'2001 6,174,135'Turbine blade trailing edge cooling openings and slots'2001 6,174,134'Multiple impingement airfoil cooling'2001 6,158,962'Turbine blade with ribbed platform'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2017Patents assigned to GEN ELECTRIC (237)· patent assignee history

1985–2020Based in Cincinnati, OH, US· patent location history

2007Based in Cincinnnati, OH, US· patent location history

2012–2017Patents assigned to LEE CHING-PANG (91)· patent assignee history

2013–2020Patents assigned to SIEMENS ENERGY INC (61)· patent assignee history

2013–2020Patents assigned to MIKRO SYSTEMS INC (22)· patent assignee history

2014–2020Patents assigned to SIEMENS AG (49)· patent assignee history

2017Based in Cincinatti, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	237	1985–2017
LEE CHING-PANGself	91	2012–2017
SIEMENS ENERGY INC	61	2013–2020
SIEMENS AG	49	2014–2020
MIKRO SYSTEMS INC	22	2013–2020

Locations

Location	Patents	Span
Cincinnati, OH, US	348	1985–2020
Cincinatti, OH, US	1	2017
Cincinnnati, OH, US	1	2007