公开(公告)号：US20190024588A1

公开(公告)日：2019-01-24

申请号：US16139686

申请日：2018-09-24

Applicant: Hamilton Sundstrand Corporation

Inventor： Richard J. Carpenter ,  Kevin Gibbons ,  Charles E. Reuter ,  Lubomir A. Ribarov ,  Leo J. Veilleux, JR. ,  Ethan Flow

IPC: F02C7/232 ,  F02C9/26 ,  F01D17/14

Abstract: A shut-off valve includes a float and a negative G control component. The float is configured to occlude a tank outlet at a first fluid level and 1 G and unocclude the tank outlet at a second fluid level and 1 G. The negative G control component is operatively connected to the float to limit fluid, e.g. liquid or gas, communication between a tank outlet and an ejector pump during negative G events. An ecology fuel return system includes a tank, an ejector pump, a float, and a negative G control component, as described above. The tank has an inlet and an outlet. The inlet is configured to be in fluid communication with components of an engine. The ejector pump is in fluid communication with the tank outlet and is configured to pump fuel from the tank to a fuel pump inlet of an engine.

公开(公告)号：US10180106B2

公开(公告)日：2019-01-15

申请号：US15157051

申请日：2016-05-17

Applicant: Hamilton Sundstrand Corporation

Inventor： Lubomir A. Ribarov ,  Leo J. Veilleux, Jr.

IPC: F02C9/18 ,  F02C7/22 ,  F04D27/00 ,  F16K31/124 ,  F01D17/14 ,  F04D27/02 ,  F02C6/08 ,  F16K31/42

Abstract: A solenoid for a bleed valve includes a solenoid body with an actuation fluid passage, a bleed valve passage, and a drive fluid chamber. A main armature is disposed within the solenoid body and is movable between open and closed positions, the actuation fluid passage being in fluid communication with the control outlet in the open position, the actuation fluid passage being fluidly isolated from the bleed valve passage in the second position. A pilot armature is disposed within the solenoid body, is movable relative to the main armature, and is operably coupled to the main armature by the drive fluid chamber to move the main armature between the open and closed positions by controlling issue of a drive fluid into and out of the drive fluid chamber.

公开(公告)号：US10082084B2

公开(公告)日：2018-09-25

申请号：US15460681

申请日：2017-03-16

Applicant: Hamilton Sundstrand Corporation

Inventor： Richard J. Carpenter ,  Kevin Gibbons ,  Charles E. Reuter ,  Lubomir A. Ribarov ,  Leo J. Veilleux, Jr. ,  Ethan Flow

IPC: F02C7/22 ,  F02C7/232 ,  F16K31/22

CPC classification number: F02C7/232 ,  F01D17/141 ,  F01D17/145 ,  F02C9/26 ,  F02C9/263 ,  F05D2220/323 ,  F05D2260/601 ,  F05D2300/507 ,  F16K31/22 ,  Y10T137/0826 ,  Y10T137/0898 ,  Y10T137/7323 ,  Y10T137/7436 ,  Y10T137/7442

Abstract: A shut-off valve includes a float and a negative G control component. The float is configured to occlude a tank outlet at a first fluid level and 1 G and unocclude the tank outlet at a second fluid level and 1 G. The negative G control component is operatively connected to the float to limit fluid, e.g. liquid or gas, communication between a tank outlet and an ejector pump during negative G events. An ecology fuel return system includes a tank, an ejector pump, a float, and a negative G control component, as described above. The tank has an inlet and an outlet. The inlet is configured to be in fluid communication with components of an engine. The ejector pump is in fluid communication with the tank outlet and is configured to pump fuel from the tank to a fuel pump inlet of an engine.

公开(公告)号：US20180219457A1

公开(公告)日：2018-08-02

申请号：US15925985

申请日：2018-03-20

Applicant: Hamilton Sundstrand Corporation

Inventor： Lubomir A. Ribarov ,  Robert Scott Downing ,  Richard A. Himmelmann

IPC: H02K9/197 ,  H02K1/32 ,  H02K9/19

CPC classification number: H02K9/197 ,  H02K1/32 ,  H02K9/19

Abstract: A rotor body for a high-speed generator includes a rotor body with interior and exterior surfaces, a coolant inlet and outlet, and a rotor cooling path for actively cooling the rotor body. The coolant inlet and outlet extend between the interior and exterior surfaces. An interior segment of the rotor cooling path fluidly couples the coolant inlet and coolant outlet and is bounded by the rotor body interior surface. An exterior segment of the cooling path is bounded by the rotor body exterior surface and fluidly couples the coolant outlet an environment external to the rotor body.

公开(公告)号：US20180017331A1

公开(公告)日：2018-01-18

申请号：US15715485

申请日：2017-09-26

Applicant: Hamilton Sundstrand Corporation

Inventor： Leo J. Veilleux, JR. ,  Lubomir A. Ribarov

IPC: F28D7/00 ,  F28F1/04 ,  B22F3/11 ,  B22F3/105 ,  F28F9/02 ,  F28F1/02 ,  B22F3/00

CPC classification number: F28D7/0008 ,  B22F3/008 ,  B22F3/1055 ,  B22F3/1115 ,  Y02P10/295

Abstract: A heat exchanger has a plurality of cells. A first subset of the cells extends for a lesser distance along an axis of the cells and a second subset of the cells extends for a greater axial distance. The second subset of cells extends through separator plates which are positioned beyond axial ends of the first subset of cells. A method is also disclosed.

公开(公告)号：US20170336149A1

公开(公告)日：2017-11-23

申请号：US15161957

申请日：2016-05-23

Applicant: Hamilton Sundstrand Corporation

Inventor： Lubomir A. Ribarov ,  Leo J. Veilleux, JR.

IPC: F28D9/00 ,  B64D33/08 ,  F28F13/06 ,  F28F27/02 ,  F28F3/08 ,  B64D33/02 ,  F28D21/00

CPC classification number: F28D9/0093 ,  B64D33/02 ,  B64D33/08 ,  B64D2033/024 ,  F28D2021/0021 ,  F28D2021/0026 ,  F28F3/08 ,  F28F13/06 ,  F28F27/02 ,  F28F2250/104 ,  F28F2250/106

Abstract: A heat exchanger to cool an oil flow with an air flow and a fuel flow includes at least one oil flow layer to receive the oil flow, an air flow layer to receive the air flow, wherein the air flow layer is in thermal communication with the at least one oil flow layer, and a fuel flow layer to receive the fuel flow, wherein the fuel flow layer is in thermal communication with the at least one oil flow layer.

公开(公告)号：US20170299287A1

公开(公告)日：2017-10-19

申请号：US15098944

申请日：2016-04-14

Applicant: Hamilton Sundstrand Corporation

Inventor： Lubomir A. Ribarov ,  Leo J. Veilleux, JR.

IPC: F28F19/00 ,  F28F3/08 ,  B64D37/34 ,  F28D9/00 ,  F28F21/06 ,  F28F13/06

Abstract: A heat exchanger includes a first side of a heat exchanger layer with a first flow path, wherein the first flow path flows through a heat soak region and a flow region, and a second side of the heat exchanger layer with a second flow path in thermal communication with the first flow path, wherein an inlet of the first flow path and an inlet of the second flow path are proximate in the heat soak region.

公开(公告)号：US20170234229A1

公开(公告)日：2017-08-17

申请号：US15042302

申请日：2016-02-12

Applicant: Hamilton Sundstrand Corporation

Inventor： Lubomir A. Ribarov ,  Leo J. Veilleux, JR. ,  James S. Elder

IPC: F02C7/232 ,  F02C7/22 ,  F02C7/224 ,  F02C7/236 ,  F01D25/32

CPC classification number: F02C7/232 ,  F01D25/32 ,  F02C7/14 ,  F02C7/222 ,  F02C7/224 ,  F02C7/236 ,  F05D2260/602 ,  Y02T50/675

Abstract: An engine fuel system is disclosed for managing drainage of fuel in response to an engine shut-down condition. For normal operation, a piston of a piston assembly is maintained in a first position by pressurized fuel in a volume on a first side of the piston. In response to engine shut-down, pressure is removed from the first side of the piston and fuel in the volume on the first side of the piston is drained into a return conduit that is part of the fuel system's thermal management system. Displacement of the piston in response to removal of pressure on the first side of the piston creates a volume on a second side of the piston for drainage of fuel from a fuel manifold.

公开(公告)号：US09726029B2

公开(公告)日：2017-08-08

申请号：US13945070

申请日：2013-07-18

Applicant: Hamilton Sundstrand Corporation

Inventor： Lubomir A. Ribarov ,  James S. Elder ,  Leo J. Veilleux, Jr.

IPC: F01D9/06 ,  F01D25/16 ,  F02C7/14

CPC classification number: F01D9/065 ,  F01D25/162 ,  F02C7/14 ,  F05D2250/185 ,  Y02T50/672 ,  Y02T50/675

Abstract: A fluid cooling arrangement in a gas turbine engine for aerospace propulsion includes an inner structure. Also included is an outer structure disposed radially outwardly of the inner structure, the outer structure and the inner structure defining a bypass flow path. Further included is at least one strut operatively coupling the inner structure to the outer structure. Yet further included is at least one cooling tube formed within the at least one strut, the at least one cooling tube configured to cool a fluid passing through the at least one cooling tube upon convective cooling of the at least one strut as air passes through the bypass flow path and over the at least one strut.

公开(公告)号：US20170131034A1

公开(公告)日：2017-05-11

申请号：US14937259

申请日：2015-11-10

Applicant: Hamilton Sundstrand Corporation

Inventor： Lubomir A. Ribarov ,  Leo J. Veilleux, JR.

IPC: F28D7/00 ,  B23P15/26 ,  F28F9/02

Abstract: A heat exchanger is disclosed including an array of interlaced conduits. The conduit array includes a first plurality of conduits connected to a first inlet header at one end of the first plurality of conduits and to a first outlet header at an opposite end of the first plurality of conduits. This first plurality of conduits provides a first fluid flow path from the first inlet header through the first plurality of conduits to the first outlet header. The conduit array also includes a second plurality of conduits crossing and interlaced with the first plurality of conduits. First and second fluid flow paths are provided through the first and second pluralities of conduits, and a third fluid flow path is through open spaces between the crossed interlaced first and second pluralities of conduits.