Patents by Inventor SETH E. ROSEN

SETH E. ROSEN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20170191499
    Abstract: A fan shroud for an air cycle machine includes a tubular body extending axially between a first end and a second end of the shroud along a center axis of the fan shroud. A flange extends radially outward from the tubular body of the shroud at the first end of the shroud. At least one mounting hole extends through the flange. A sight hole extends through the flange and is positioned radially inward from the at least one mounting hole relative the center axis.
    Type: Application
    Filed: January 6, 2016
    Publication date: July 6, 2017
    Inventors: Eric Chrabascz, Seth E. Rosen
  • Publication number: 20170144766
    Abstract: A support bracket having a support portion, a first mounting portion, a second mounting portion, and a first support rib is provided. The first mounting portion extends from a first end of the support portion. The first mounting portion defines a mounting hole. The second mounting portion extends from a second end of the support portion. The second mounting portion has a fifth surface disposed opposite a sixth surface and a fifth side disposed opposite a sixth side. The second mounting portion defines a coupling hole. The first support rib engages a first surface of the support portion and a third surface of the first mounting portion.
    Type: Application
    Filed: November 24, 2015
    Publication date: May 25, 2017
    Inventors: Seth E. Rosen, Christopher Tokas
  • Publication number: 20170146186
    Abstract: A support bracket has a support portion, a first mounting portion, and a second mounting portion. The first mounting portion extends from a first end of the support portion. The second mounting portion extends from a second end of the support portion. The second mounting portion defines a coupling hole that is disposed proximate an end surface of the second mounting portion. A first support rib engages a first surface of the support portion and a third surface of the first mounting portion.
    Type: Application
    Filed: November 23, 2015
    Publication date: May 25, 2017
    Inventors: Seth E. Rosen, Christopher Tokas
  • Patent number: 9651091
    Abstract: An aspect is a thrust plate assembly for an air cycle machine. The thrust plate assembly includes an annular body defined by an outer rim and a main bore. The annular body includes a nozzle side and a thrust bearing side. The nozzle side includes a nozzle region proximate the outer rim and a turbine rotor region proximate the main bore, where the outer rim has an outer diameter. The thrust plate assembly also includes a main bore seal installed in the main bore. The main bore seal has an inner diameter, where a ratio of the outer diameter of the outer rim to the inner diameter of the main bore seal is between 3.94 and 3.96.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: May 16, 2017
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Craig M. Beers, Seth E. Rosen
  • Patent number: 9651194
    Abstract: A support bracket has a support portion, a first mounting portion, and a second mounting portion. The first mounting portion extends from a first end of the support portion. The second mounting portion extends from a second end of the support portion. The second mounting portion defines a coupling hole that is disposed proximate an end surface of the second mounting portion. A first support rib engages a first surface of the support portion and a third surface of the first mounting portion.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: May 16, 2017
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Seth E. Rosen, Christopher Tokas
  • Publication number: 20170108164
    Abstract: A support bracket includes a base including a first hole and a back plane perpendicular to the base. The support bracket also includes three or more connecting surfaces extending outwardly from a right side of the back plane and a mounting tab extending perpendicularly from an outer surface of the third connecting surface and having a mounting tab hole having a diameter formed therein. The support bracket has a height and a ratio of the diameter of the mounting tab hole to the height of the bracket is between 0.0467 and 0.0469.
    Type: Application
    Filed: October 19, 2015
    Publication date: April 20, 2017
    Inventors: Seth E. Rosen, Patrick McCord
  • Publication number: 20170108163
    Abstract: A support bracket includes a base including a first hole and a backplane perpendicular to the base. The support bracket also includes three or more connecting surfaces extending outwardly from a left side of the back plane and a mounting tab extending perpendicularly form an outer surface of the third connecting surface and having a mounting tab hole having a diameter formed therein. The support bracket has height and a ratio of the diameter of the mounting tab hole to the height of the bracket is between 0.0467 and 0.0469 in.
    Type: Application
    Filed: October 19, 2015
    Publication date: April 20, 2017
    Inventors: Seth E. Rosen, Patrick McCord
  • Publication number: 20170108001
    Abstract: A fan rotor blade extending radially from a hub is described. The fan rotor blade may include first surface and a second surface, where the first surface and second surfaces are respectively defined by a set of X-coordinates, Y-coordinates and Z-coordinates. The X, Y and Z coordinates can be set out in any of Tables T-1, T-2, E-1, and E-2. The X, Y, and Z-coordinates can also be scaled by a predetermined factor, with the X-coordinates are oriented in a tangential direction, the Z-coordinates are oriented in an axial direction, and the Y-coordinates are oriented in a radial direction.
    Type: Application
    Filed: October 16, 2015
    Publication date: April 20, 2017
    Inventors: Seth E. Rosen, Eric Chrabascz, Mark Vignali, Harold W. Hipsky
  • Publication number: 20170102002
    Abstract: A fan shaft for an air cycle machine. The fan shaft includes a body having an axis passing therethrough and a pilot at one end of the body, the body having a first axial length, the pilot having a second axial length, and the pilot defining an inner diameter with respect to the axis and an outer diameter with respect to the axis, wherein the first axial length is 4.215±0.005 inches (10.706±0.013 cm).
    Type: Application
    Filed: October 12, 2015
    Publication date: April 13, 2017
    Inventors: Craig M. Beers, Seth E. Rosen
  • Patent number: 9470234
    Abstract: A compressor housing for an air cycle machine includes an inlet and an outlet. The compressor housing additionally includes a plurality of ribs that extend generally perpendicularly from a surface of the compressor housing. Formed within an internal region of the compressor housing is a bearing support structure. The bearing support structure receives and limits the axial movement of a bearing, seal and at least one O-ring.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: October 18, 2016
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Seth E. Rosen, Brent J. Merritt
  • Patent number: 9341193
    Abstract: A cabin air compressor drive ring includes an outer ring defining an axis, an inner ring co-axial with the outer ring, a plurality of webbings connecting the inner ring to the outer ring, and a plurality of vane engagement pins axially protruding from the outer ring. The vane engagement pins are spaced circumferentially about the outer ring, and the inner ring includes a drive ring bearing interface.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: May 17, 2016
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Craig M. Beers, Seth E. Rosen
  • Publication number: 20160084264
    Abstract: A vane for a variable diffuser includes a body with an inlet end and an outlet end, a leading surface extending from the inlet end to the outlet end, a trailing surface opposite the leading surface and extending from the inlet end to the outlet end, a first surface extending from the inlet end to the outlet end, and a second surface opposite the first surface and extending from the inlet end to the outlet end. The vane further includes a first cavity on the first surface of the vane adjacent the inlet end, a second cavity on the first surface of the vane adjacent the outlet end, a third cavity on the second surface of the vane adjacent the inlet end, and a fourth cavity on the second surface of the vane adjacent the outlet end.
    Type: Application
    Filed: September 23, 2014
    Publication date: March 24, 2016
    Inventors: Craig M. Beers, Murtuza Lokhandwalla, Kevin M. Rankin, David A. Dorman, Seth E. Rosen, John M. Beck, Paul E. Hamel, Clarence J. Wytas, JR.
  • Publication number: 20160076554
    Abstract: An annular backing plate for a diffuser in a centrifugal compressor comprises an inner diameter and an outer diameter disposed radially opposite the inner diameter. The backing plate also includes a first surface extending between the inner diameter and the outer diameter of the backing plate. A step is formed on the first surface proximate the inner diameter, wherein the step shifts a portion of the first surface encompassed by the step axially aft relative a portion of the first surface not encompassed by the step.
    Type: Application
    Filed: September 11, 2014
    Publication date: March 17, 2016
    Applicant: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Seth E. Rosen, David A. Dorman, Craig M. Beers
  • Patent number: 9267514
    Abstract: An air cycle machine has a housing which holds a compressor section, and a turbine section having an expansion area, and a fan section disposed outside of the housing. A shaft, which attaches to and is coaxial with the compressor section, the turbine section and the fan section, is supported by an air journal bearing and an air thrust bearing. The shaft has a hollow core for porting cooling air from the air journal bearing and the air thrust bearing, and a tube that extends into said expansion area and communicates cooling air from the turbine expansion area to the thrust bearing.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: February 23, 2016
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Darryl A Colson, Seth E. Rosen, Eric Chrabascz
  • Patent number: 9243643
    Abstract: A cabin air compressor housing for a cabin air compressor assembly includes a compressor volute configured to direct a compressed flow to a compressor outlet. The cabin air compressor housing also includes a journal bearing support having a journal bearing bore. The cabin air compressor housing further includes an interior portion between the compressor volute and the journal bearing support. The interior portion includes a plurality of cooling airflow holes having a ratio of a diameter of the journal bearing bore to a diameter of one of the cooling airflow holes between 3.64 and 4.52.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: January 26, 2016
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Craig M. Beers, Seth E. Rosen
  • Patent number: 9181956
    Abstract: An example seal shaft includes a cylindrical body establishing a bore that extends axially between a first end portion of the body and a second end portion of the body. Apertures are also established in the body. The apertures extend radially between an outer surface of the body and the bore. The seal shaft further includes a first group knife edge seals and a second group of knife edge seals. The first group of knife edge seals have a diameter, and a ratio of the diameter to the total cross-sectional area of the apertures is between 58.79 and 78.77.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: November 10, 2015
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Seth E. Rosen, Craig M. Beers
  • Patent number: 9181959
    Abstract: An example housing of a cabin air compressor assembly includes a main body portion and a motor outlet duct extending radially from the main body portion. The motor outlet duct interfaces with the main body portion at an interface area. A ratio of a radius of the interface area to an inner diameter of the motor outlet duct is from 0.113 to 0.162.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: November 10, 2015
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Seth E. Rosen, Brent J. Merritt
  • Publication number: 20150275910
    Abstract: An aspect is a thrust plate assembly for an air cycle machine. The thrust plate assembly includes an annular body defined by an outer rim and a main bore. The annular body includes a nozzle side and a thrust bearing side. The nozzle side includes a nozzle region proximate the outer rim and a turbine rotor region proximate the main bore, where the outer rim has an outer diameter. The thrust plate assembly also includes a main bore seal installed in the main bore. The main bore seal has an inner diameter, where a ratio of the outer diameter of the outer rim to the inner diameter of the main bore seal is between 3.94 and 3.96.
    Type: Application
    Filed: April 1, 2014
    Publication date: October 1, 2015
    Applicant: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Craig M. Beers, Seth E. Rosen
  • Publication number: 20150233386
    Abstract: A housing of an air cycle machine includes a static seal portion, a main bore housing portion, a shroud pilot housing portion, and a thrust plate housing portion. The static seal portion is arranged about a central axis and defines static seal radius D1. The main bore housing portion is arranged about the central axis and circumscribes the shaft arranged along the central axis. The main bore housing defines central bore inner radius D2. The shroud pilot housing radius is arranged about the central axis and defines shroud pilot radius D3. The thrust plate housing portion is arranged about the central axis and defines insulator seal plate radius D4. A ratio D1/D2 is 0.8394 to 0.8416, a ratio D1/D3 is 0.4315 to 0.4322, a ratio D1/D4 is 0.2517 to 0.2521, a ratio D2/D3 is 0.5130 to 0.5146, a ratio D2/D4 is 0.2993-0.3001, and a ratio D3/D4 is 0.5828-0.5838.
    Type: Application
    Filed: February 14, 2014
    Publication date: August 20, 2015
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Craig M. Beers, Seth E. Rosen
  • Patent number: 9028149
    Abstract: Disclosed is a bearing sleeve for supporting a shaft of an air cycle machine. The bearing sleeve includes an outer diameter and an inner diameter. The outer diameter is within a range of 3.222 and 3.224 inches. Further included is a foil retaining cavity provided in the inner diameter of the sleeve. The foil retaining cavity includes a slot and first and second openings located at opposing axial ends of the slot. Each of the first and second openings include a small portion and a large portion having different axial lengths. A ratio of the combined axial lengths of the large portions to an axial length of the foil retaining cavity is within a range of 0.19:1 and 0.22:1.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: May 12, 2015
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Seth E. Rosen, Ronald M. Struziak