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Dean T Lenahan

age ~83

from Blue Ash, OH

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Also known as:
  • Dean Thomas Lenahan
  • Dean T Lenaham
Phone and address:
9550 Cooper Ln, Cincinnati, OH 45242
(513)2527917
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Connected to:

Dean Lenahan Phones & Addresses

  • 9550 Cooper Ln, Cincinnati, OH 45242 • (513)2527917
  • 9238 Hopewell Rd, Cincinnati, OH 45242 • (513)8914186
  • Blue Ash, OH

Work

  • Position:
    Retired

Education

  • Degree:
    Graduate or professional degree

Emails

d***[email protected]

Us Patents

  • Methods And Apparatus For Supplying Cooling Airflow In Turbine Engines

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  • US Patent:
    6398487, Jun 4, 2002
  • Filed:
    Jul 14, 2000
  • Appl. No.:
    09/616257
  • Inventors:
    Thomas Tracy Wallace - Maineville OH
    Christopher Charles Glynn - Hamilton OH
    Monty Lee Shelton - Loveland OH
    Jeffrey Donald Clements - Mason OH
    Dean Thomas Lenahan - Cincinnati OH
    Barry John Kalb - Cincinnati OH
  • Assignee:
    General Electric Company - Schenectady NY
  • International Classification:
    F01D 514
  • US Classification:
    415115, 415191, 415202, 4152082
  • Abstract:
    A gas turbine engine rotor assembly includes a plurality of aerodynamic devices to direct airflow radially inward. The gas turbine engine rotor assembly includes a rotor shaft that includes a plurality of openings. The aerodynamic devices include a pair of vane segments and a pair of sidewalls. A contoured outer surface includes an opening and permits the aerodynamic device to be positioned against an inner surface of the rotor shaft, and a flange ring defines a pocket. The aerodynamic device fits within the pocket to concentrically align the openings.

  • Bucket Platform Cooling Scheme And Related Method

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  • US Patent:
    6478540, Nov 12, 2002
  • Filed:
    Dec 19, 2000
  • Appl. No.:
    09/739445
  • Inventors:
    Nesim Abuaf - Lincoln City OR
    Kevin Joseph Barb - Halfmoon NY
    Sanjay Chopra - Greenville SC
    David Max Kercher - Ipswich MA
    Iain Robertson Kellock - Simpsonville SC
    Dean Thomas Lenahan - Cincinnati OH
    Sankar Nellian - Mauldin SC
    John Howard Starkweather - Sharonville OH
    Douglas Arthur Lupe - Ballston Lake NY
  • Assignee:
    General Electric Company - Schenectady NY
  • International Classification:
    F01D 518
  • US Classification:
    416 1, 416 97 R, 416193 A
  • Abstract:
    A turbine bucket includes an airfoil extending from a platform, having high and low pressure sides; a wheel mounting portion; a hollow shank portion located radially between the platform and the wheel mounting portion, the platform having an under surface. An impingement cooling plate is located in the hollow shank portion, spaced from the under surface, and the impingement plate is formed with a plurality of impingement cooling holes therein.

  • Ramped Tip Shelf Blade

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  • US Patent:
    6554575, Apr 29, 2003
  • Filed:
    Sep 27, 2001
  • Appl. No.:
    09/965349
  • Inventors:
    Leslie Eugene Leeke - Burlington KY
    Sean Robert Keith - Fairfield OH
    Ronald Eugene Mc Rae, Jr. - Wyoming OH
    Dean Thomas Lenahan - Cincinnati OH
    David Alan Frey - West Chester OH
    Daniel John Harris - West Chester OH
  • Assignee:
    General Electric Company - Schenectady NY
  • International Classification:
    F01D 518
  • US Classification:
    416224, 416 97 R
  • Abstract:
    A gas turbine engine blade includes pressure and suction sides extending between leading and trailing edges and root to tip. The pressure side includes a tip rib recessed therein to define a tip shelf terminating in an inclined ramp. The ramp may be aligned with streamlines of combustion gas flow for preventing interruption thereof and the increase of heat transfer therefrom.

  • Methods And Apparatus For Assembling Gas Turbine Nozzles

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  • US Patent:
    6893217, May 17, 2005
  • Filed:
    Dec 20, 2002
  • Appl. No.:
    10/324849
  • Inventors:
    Gulcharan S. Brainch - West Chester OH, US
    Dean Lenahan - Cincinnati OH, US
  • Assignee:
    General Electric Company - Schenectady NY
  • International Classification:
    F01D001/02
  • US Classification:
    415189, 4152093
  • Abstract:
    A method enables a turbine nozzle for a gas turbine engine to be assembled. The method includes providing a turbine nozzle including a plurality of airfoil vanes extending between an inner band and an outer band, wherein the outer band includes at least one mounting system that extends radially outwardly therefrom and includes a rail and at least one hook, and coupling the turbine nozzle into the gas turbine engine using the mounting system such that the turbine nozzle is at least partially supported by at least one hook. The method also includes positioning a seal assembly between at least one hook and the outer band to facilitate reducing radial leakage through the turbine nozzle.

  • Methods And Apparatus For Cooling Gas Turbine Engine Rotor Assemblies

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  • US Patent:
    6910852, Jun 28, 2005
  • Filed:
    Sep 5, 2003
  • Appl. No.:
    10/656599
  • Inventors:
    Peter Andrew Simeone - Byfield MA, US
    Dean Thomas Lenahan - Cincinnati OH, US
    Jeremy Stephen Wigon - Chestnut Hill MA, US
    Alan Patrick St. Hilaire - Danvers MA, US
    Dennis Centeno Iglesias - Cambridge MA, US
    James Patrick McGovern - Marblehead MA, US
  • Assignee:
    General Electric Company - Schenectady NY
  • International Classification:
    F01D005/08
  • US Classification:
    415115, 415144, 416220 R
  • Abstract:
    A method facilitates assembling a gas turbine engine. The method comprises providing a rotor assembly including a rotor shaft and a rotor disk that includes a radially outer rim, a radially inner hub, and an integral web extending therebetween, wherein the rotor assembly is rotatable about an axis of rotation extending through the rotor shaft, and coupling a disk retainer including at least one discharge tube to the rotor disk wherein the discharge tube extends outwardly from the disk retainer for pumping the air to a higher pressure before discharging cooling fluid therefrom in a direction that is substantially perpendicular with respect to the axis of rotation.

  • Baffle Seal For Gas Turbine Engine Thrust Reverser

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  • US Patent:
    7966808, Jun 28, 2011
  • Filed:
    Apr 30, 2007
  • Appl. No.:
    11/742233
  • Inventors:
    Chi-Ling Michael Tsou - Renton WA, US
    Carl Francis Holdren - Hamilton OH, US
    William Andrew Bailey - Cincinnati OH, US
    Dean Thomas Lenahan - Cincinnati OH, US
  • Assignee:
    General Electric Company - Schenectady NY
  • International Classification:
    F02K 3/02
  • US Classification:
    602262, 2441108
  • Abstract:
    A baffle seal for a thrust reverser of a gas turbine engine includes a seal body of a resilient material. The seal body has a relatively flat central portion with opposed front and back sides. A raised sealing rim extends at least partially around the central portion. An outer periphery of the sealing rim extends beyond an outer periphery of the central portion so as to define an exposed sealing surface.

  • Sealing Arrangements For Gas Turbine Engine Thrust Reverser

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  • US Patent:
    8122702, Feb 28, 2012
  • Filed:
    Oct 11, 2007
  • Appl. No.:
    11/870484
  • Inventors:
    Chi-Ling Michael Tsou - Renton WA, US
    Carl Francis Holdren - Hamilton OH, US
    William Andrew Bailey - Cincinnati OH, US
    Dean Thomas Lenahan - Cincinnati OH, US
  • Assignee:
    General Electric Company - Schenectady NY
  • International Classification:
    F02K 3/02
  • US Classification:
    602262, 60230, 2441294
  • Abstract:
    A transcowl for a gas turbine engine thrust reverser includes an arcuate outer wall; an arcuate inner wall; and an arcuate baffle positioned between the inner and outer walls at a forward end of the transcowl. The baffle has an arcuate cross-sectional shape which defines a forward-facing interior area. An arcuate forward seal is carried at a forward end of the inner wall. The forward seal includes a plurality of axially-extending, spaced-apart arcuate seal teeth which collectively define a labyrinth seal.

  • Baffle Seal For Gas Turbine Engine Thrust Reverser

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  • US Patent:
    8157270, Apr 17, 2012
  • Filed:
    Dec 29, 2010
  • Appl. No.:
    12/981047
  • Inventors:
    Chi-Ling Michael Tsou - Renton WA, US
    Carl Francis Holdren - Hamilton OH, US
    William Andrew Bailey - Cincinnati OH, US
    Dean Thomas Lenahan - Cincinnati OH, US
  • Assignee:
    General Electric Company - Schenectady NY
  • International Classification:
    F16J 15/02
    E06B 7/16
  • US Classification:
    277644, 494791, 494981
  • Abstract:
    A baffle seal for a thrust reverser of a gas turbine engine includes a seal body of a resilient material. The seal body has a relatively flat central portion with opposed front and back sides. A raised sealing rim extends at least partially around the central portion. An outer periphery of the sealing rim extends beyond an outer periphery of the central portion so as to define an exposed sealing surface.

Resumes

Dean Lenahan Photo 1

Dean Lenahan

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Location:
Cincinnati, OH
Industry:
Airlines/Aviation
Work:
Ge Aviation 1964 - 2001
Chief Consultant Engineer
Skills:
Aerospace
Airlines
Aviation
Engineering
Mechanical Engineering
Dean Lenahan Photo 2

Chief Consultant Engineer Aero And Thermal

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Location:
Cincinnati, OH
Industry:
Airlines/Aviation
Work:
Belcan
Chief Consultant Engineer Aero and Thermal

Youtube

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  • Category:
    Music
  • Uploaded:
    05 Feb, 2011
  • Duration:
    5m 11s

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Dean Lenahan Cincinnati ...

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