Eric L Chrabascz

US Patent:

20130097996, Apr 25, 2013

Filed:

Oct 24, 2011

Appl. No.:

13/279488

Inventors:

Seth E. Rosen - Middletown CT, US
Eric Chrabascz - Longmeadow MA, US
Victoria S. Richardson - Hartford CT, US

Assignee:

HAMILTON SUNDSTRAND CORPORATION - Windsor Locks CT

International Classification:

F02C 7/04
B23P 11/00
F02K 3/06

US Classification:

602261, 137 151, 2988922

Abstract:

A ram air fan inlet housing for containing a ram air fan rotor. The inlet housing includes a flanged surface and an interior surface. The flanged surface is perpendicular to an axis of the inlet housing and defines a flange plane at an axial end of the inlet housing. The interior surface is symmetric about the axis of the inlet housing and includes a flange section, a transition section, an outlet section, a rotor section, and an inlet section.

US Patent:

20130097997, Apr 25, 2013

Filed:

Oct 24, 2011

Appl. No.:

13/279523

Inventors:

Eric Chrabascz - Longmeadow MA, US
Victoria S. Richardson - Hartford CT, US
David A. Dorman - Feeding Hills MA, US

Assignee:

HAMILTON SUNDSTRAND CORPORATION - Windsor Locks CT

International Classification:

F02K 3/06
B23P 11/00
F02K 1/78

US Classification:

602261, 23926511, 2988922

Abstract:

A diffuser for a ram air fan assembly includes a perforated cone, an inlet ring seal, and an outlet ring seal. The perforated cone has a frustoconical shape symmetrical about an axis of the diffuser. The inlet ring seal is attached to, and axially disposed about, a first end of the perforated cone. The inlet ring seal includes a fan housing connection having a cylindrical shape. The outlet ring seal is attached to, and axially disposed about, a second end of the perforated cone. An average external diameter of the second end is greater than an average external diameter of the first end such that the perforated cone extends away from the inlet ring seal and radially outward from the axis of the diffuser.

US Patent:

20130101399, Apr 25, 2013

Filed:

Oct 24, 2011

Appl. No.:

13/279534

Inventors:

Eric Chrabascz - Longmeadow MA, US
Brent J. Merritt - Southwick MA, US

Assignee:

HAMILTON SUNDSTRAND CORPORATION - Windsor Locks CT

International Classification:

F01D 25/16
B21D 53/78

US Classification:

415142, 29889

Abstract:

A ram air fan bearing housing for a ram air fan assembly includes a bearing section, a disk section, and radial support ribs. The disk section is at one end of the bearing section for connecting the bearing section to the ram air fan assembly. The disk section includes an outer ring with a circumferential support rib; and a disk wall connecting the outer ring to the bearing section. The disk wall includes arcuate cooling slots defined by edges, including an arcuate edge having an arc center at an axis of the bearing housing and positioned adjacent to and radially inward from the circumferential support rib. The radial support ribs extend axially along most of the length of the bearing section and extend radially along the disk wall to the circumferential support rib. The radial support ribs and the cooling slots alternate about the axis of the bearing housing.

US Patent:

20130101400, Apr 25, 2013

Filed:

Oct 24, 2011

Appl. No.:

13/279497

Inventors:

Lawrence Binek - Windsor CT, US
Eric Chrabascz - Longmeadow MA, US
David A. Dorman - Feeding Hills MA, US

Assignee:

HAMILTON SUNDSTRAND CORPORATION - Windsor Locks CT

International Classification:

F01D 5/08
B23P 11/00

US Classification:

415175, 2988922

Abstract:

A ram air fan inner housing for a ram air fan assembly comprises a center body housing, an end cup attached to the center body housing, and a perforated cone. The perforated cone is attached to the center body housing and the end cup such that the perforated cone extends away from the center body housing and radially inward toward an axis of the inner housing.

US Patent:

20130183870, Jul 18, 2013

Filed:

Jan 12, 2012

Appl. No.:

13/349112

Inventors:

Eric Chrabascz - Longmeadow MA, US
Craig M. Beers - Wethersfield CT, US

International Classification:

H01R 9/24
H01R 43/00
H01R 13/02

US Classification:

439709, 439884, 29825

Abstract:

An example terminal stud of a ram air fan connection assembly has a threaded portion extending from a head that is held within a slot of a base. The head has a sidewall that interfaces directly with the base. The sidewall has a length and a height. A ratio of the length to the height is from 2.18 to 2.35.

US Patent:

20140030080, Jan 30, 2014

Filed:

Jul 27, 2012

Appl. No.:

13/559976

Inventors:

Eric Chrabascz - Longmeadow MA, US
Brent J. Merritt - Southwick MA, US

International Classification:

F01D 25/24

US Classification:

415203, 4151821

Abstract:

A turbine inlet housing has a main housing body extending about a central axis. An inlet duct delivers air into a cavity within the main housing body. Bolt hole bosses are formed on a downstream face of the inlet housing to receive bolts to secure an outlet housing to the inlet housing. A plurality of the bosses have a ramped surface which extends radially outwardly for a greater extent than a second plurality of bosses. The plurality of ramped bosses extend between the downstream face and the duct. The ramped bosses have a forward boss portion, and a ramped surface at an angle of between 50 and 54 degrees extending from an upstream end of the forward boss portion. A curved surface curves from an upstream end of the ramped surface to merge into the duct. A turbine stage and air cycle machine are also disclosed and claimed.

US Patent:

20140037441, Feb 6, 2014

Filed:

Aug 6, 2012

Appl. No.:

13/567295

Inventors:

Eric Chrabascz - Longmeadow MA, US
Victoria S. Richardson - Hartford CT, US
David A. Dorman - Feeding Hills MA, US

International Classification:

F04D 29/54
B23P 15/02

US Classification:

415207, 29888025

Abstract:

A disclosed ram air assembly includes a housing that defines an inlet and an inner cavity. A fan disposed at the inlet generates air flow and is driven by an electric motor. Airflow through the ram air fan assembly is directed through a passageway defined by a diffuser. The diffuser includes a first diameter at a forward end, and a second diameter at an aft end with the second diameter being larger than the forward end to diffuse airflow and increase fan efficiency.

US Patent:

20140047856, Feb 20, 2014

Filed:

Aug 17, 2012

Appl. No.:

13/588440

Inventors:

Eric Chrabascz - Longmeadow MA, US
Brent J. Merritt - Southwick MA, US

Assignee:

HAMILTON SUNDSTRAND CORPORATION - Windsor Locks CT

International Classification:

B64D 13/02
F25D 17/06
B23P 11/00
B64D 13/08

US Classification:

62241, 62244, 165 44, 62427, 2952502

Abstract:

A manifold for an air conditioning machine includes a housing with an internal structure defining a first plenum, a second plenum, and a duct. The housing further includes a first sidewall, a second sidewall, a first end mounting face, a second end mounting face, a top sidewall, and a bottom sidewall. The housing also includes a first inlet to the first plenum, a first outlet from the first plenum, a second inlet to the second plenum, a second outlet to the second plenum, a third inlet to the duct, and a third outlet to the duct. The manifold also includes a plurality of windows, a plurality of doublers, a plurality of lugs, and a plurality of flanges.