MICHAEL EDWARD MCCUNE
Pilots at Hunters Ct, Colchester, CT

7926260, Apr 19, 2011

Feb 23, 2010

12/710863

William G. Sheridan - Southington CT, US
Michael E. McCune - Colchester CT, US
Alessio Pescosolido - West Hartford CT, US

United Technologies Corporation - Hartford CT

F02K 3/02, F04D 25/02

602261, 4151242, 464 99

A shaft for a gas turbine engine is provided that includes a first shaft section, a second shaft section, a first flexible linkage, and a second flexible linkage. The first shaft section extends between a forward axial end and an aft axial end along a first axial centerline. The second shaft section extends between a forward axial end and an aft axial end along a second axial centerline. The first flexible linkage includes a bridge section connected between a first diaphragm and a second diaphragm. The first diaphragm is connected to the aft axial end of the first shaft section. The second diaphragm is connected to the forward axial end of the second shaft section. The second flexible linkage includes a diaphragm and a hub. The second flexible linkage diaphragm cantilevers radially outwardly from an inner radial end to an outer radial end, and is connected to the aft axial end of the second shaft section. The hub is connected to the outer radial end of the second flexible linkage diaphragm, and includes an engine shaft coupling connected to the hub.

2014003, Jan 30, 2014

Jul 22, 2013

13/947158

Lawrence E. Portlock - Bethany CT, US
Michael E. McCune - Colchester CT, US

United Technologies Corporation - Hartford CT

F16H 57/04

475159

A planetary carrier includes a journal bearing for supporting a planetary gear. The journal bearing receives lubricant to produce a lubricant film to support gear loads. A torque frame is attached to the carrier housing to transmit torque and to prevent twisting of the carrier housing. The torque frame includes several lubricant communication passages to provide lubricant to each of the separate journal bearings. Each of the lubricant communication passages includes an accumulator for storing lubricant during normal operation. The accumulator stores a desired amount of lubricant to provide lubricant to the adjacent journal bearing for the interim period between primary system stoppage and reestablishment of lubricant flow by a secondary system.

2013019, Aug 1, 2013

Apr 3, 2012

13/438245

Michael E. McCune - Colchester CT, US
Ahmet Kahraman - Westerville OH, US

F02C 3/04, F01D 15/12, F16H 35/06

60805, 74395

An example method of controlling performance of gearbox of a gas turbine engine includes establishing a gear characteristic of a plurality of double helical gears each disposed about a respective axis in a gearbox. Performance of the plurality of double helical gears is controlled by selecting a circumferential offset distance between a first plurality of gear teeth spaced apart from a second plurality of gear teeth on each of the plurality of double helical gears in response to the established gear characteristic.

7883439, Feb 8, 2011

Mar 5, 2010

12/718408

William G. Sheridan - Southington CT, US
Michael E. McCune - Colchester CT, US

United Technologies Corporation - Hartford CT

F16H 57/04

475159, 475331, 602261, 60382

A gas turbine engine includes an epicyclic gear train that drives a turbo fan. The epicyclic gear train employs a one-piece carrier in which the spaced side walls are interconnected with circumferentially spaced apart mounts to form a unitary structure. Baffles are secured to the carrier near the mounts and provide lubrication passages that spray oil onto the sun gear and/or intermediate gears arranged between the baffles. The baffles can be constructed from a different material than the carrier since the baffles are not structural components in the gear train.

2008004, Feb 21, 2008

Aug 15, 2006

11/504220

Michael E. McCune - Colchester CT, US
Lawrence E. Portlock - Bethany CT, US

F01D 15/12

4151221

A turbine engine includes an epicyclic gear train that has a two-piece ring gear. Each portion of the ring gear includes radially outwardly extending flanges that are axially constrained to a turbo fan shaft by bolts secured circumferentially along the flanges. Knife edge seals are secured to the flanges to contain oil expelled through the ring gear into a gutter. The ring gear and turbo fan shaft can be rotationally balanced together.

2012027, Nov 1, 2012

Dec 30, 2011

13/340743

Michael E. McCune - Colchester CT, US
Lawrence E. Portlock - Bethany CT, US
Frederick M. Schwarz - Glastonbury CT, US

F01D 15/12

4151221

A turbine engine includes a fan shaft and at least one tapered bearing mounted on the fan shaft. The fan shaft includes at least one radially extending passage adjacent the at least one tapered bearing. A fan is mounted for rotation on the tapered bearing. An epicyclic gear train is coupled to drive the fan. The epicyclic gear train includes a carrier that supports star gears that mesh with a sun gear, and a ring gear that surrounds and meshes with the star gears. Each of the star gears is supported on a respective journal bearing. The epicyclic gear train defines a gear reduction ratio of greater than or equal to about 2.3

7937927, May 10, 2011

Dec 1, 2004

11/719224

Gabriel Suciu - Glastonbury CT, US
Brian Merry - Andover CT, US
Michael E. McCune - Colchester CT, US

United Technologies Corporation - Hartford CT

F02C 1/06

60 39162, 60268

A tip turbine engine () provides an axial compressor rotor () that is counter-rotated relative to a fan (). A planetary gearset () couples rotation of a fan () to an axial compressor rotor (), such that the axial compressor rotor () is driven by rotation of the fan in a rotational direction opposite that of the fan. By counter-rotating the axial compressor rotor, a final stage of compressor vanes () between the final stage of compressor blades () and inlets () to the hollow fan blades () of the fan are eliminated. As a result, the length of the axial compressor () and the overall length of the tip turbine engine () are decreased.

7883438, Feb 8, 2011

Dec 4, 2009

12/631162

Michael E. McCune - Colchester CT, US

United Technologies Corporation - Hartford CT

F16H 57/04, F16H 57/08, F16N 1/00, F01D 25/18

475159, 475161, 475331, 184 4, 184 611, 184 612, 184 272

A support shaft provides lubrication to a journal bearing during windmilling operation of a gear set. A primary oil pump provides oil from an oil supply during driven operation of the fan, and a secondary oil pump provides oil from an internal sump during windmilling operation of the fan. During driven operation of the fan, oil is pumped with the primary oil pump through a primary oil flow path to an outer surface of the support shaft. During windmilling fan operation, oil is pumped from an internal sump with a secondary oil pump through the secondary oil flow path. The secondary oil flow path has a smaller flow capacity, and the secondary oil pump is a smaller capacity pump.

8246503, Aug 21, 2012

Jun 10, 2009

12/482053

William G. Sheridan - Southington CT, US
Michael E. McCune - Colchester CT, US

United Technologies Corporation - Hartford CT

F16H 57/04, F16H 57/08

475159, 475331, 184 612

A journal bearing that includes a central body having first and second passageways and a filter. The central body extends axially and is adapted to be supported at each outer end. The first passageway extends generally axially through a portion of the central body. The filter is disposed in the first passageway and is configured to trap debris from a lubricant fluid flowing therethrough. The second passageway extends between both the first passageway and an exterior surface of the central body to allow for delivery of lubricant fluid thereto.

2012021, Aug 23, 2012

Jan 9, 2012

13/346120

Michael E. McCune - Colchester CT, US
Lawrence E. Portlock - Bethany CT, US
Frederick M. Schwarz - Glastonbury CT, US

F02C 7/36

4151221

A geared architecture with a flex mount for a fan drive gear system.