公开(公告)号：US20220397504A1

公开(公告)日：2022-12-15

申请号：US17303924

申请日：2021-06-10

Applicant: Hamilton Sundstrand Corporation

Inventor： Gary M. McBrien ,  Frank Perrelli

IPC: G01N9/32 ,  G01N9/26

Abstract: A method of determining density of a fluid within a system includes actuating a piston of a hydraulic cylinder at a target velocity. Additionally, the method includes determining differential pressure and volumetric flow rate of the fluid flowing through an orifice under actuation of the piston. The density of the fluid is determined based on the first differential pressure and the volumetric flow rate of the fluid, which is used by the system to regulate a mass flow rate of fluid within the system.

公开(公告)号：US10655622B2

公开(公告)日：2020-05-19

申请号：US14812758

申请日：2015-07-29

Applicant: Hamilton Sundstrand Corporation

Inventor： Gary M. McBrien

IPC: F04B49/24 ,  F02C9/26 ,  F15B11/072 ,  F15B1/02 ,  F04B9/123 ,  F04B19/22 ,  F04B23/02 ,  F04B53/14 ,  F16K15/00 ,  G05D7/06

Abstract: A method and system providing a pressurized fluid includes a pump having a pump inlet and a pump outlet, the pump to provide a fluid flow, a bypass path to direct the fluid flow from the pump outlet to the pump inlet, a load path having a load path pressure, the load path including: a fluid accumulator to accumulate a fluid volume, and at least one load device, a bypass regulator valve in fluid communication with the pump outlet, the bypass path, and the load path, and a controller to direct the fluid flow to the load path in response to the load path pressure being less than a low load path threshold pressure via the bypass regulator valve and to direct the fluid flow to the bypass path in response to the load path pressure being greater than a high load path threshold pressure via the bypass regulator valve.

公开(公告)号：US20170282101A1

公开(公告)日：2017-10-05

申请号：US15091023

申请日：2016-04-05

Applicant: Hamilton Sundstrand Corporation

Inventor： Lubomir A. Ribarov ,  Richard J. Carpenter ,  Aaron V. Price ,  Gary M. McBrien ,  Aaron F. Rickis ,  Bryan V. Scala

IPC: B01D35/143 ,  B64D37/32 ,  G01L19/14 ,  B01D35/00

CPC classification number: B01D35/143 ,  B01D29/114 ,  B01D29/606 ,  B01D35/005 ,  B64D37/32 ,  G01L19/147

Abstract: A filter assembly for a fluid flow system includes a filter housing, a housing inlet to allow the fluid flow into the filter housing and a housing outlet to allow the fluid flow to exit the filter housing. A filter element is located in the filter housing to collect contaminants from the fluid flow. A pressure sensor is located to measure a pressure drop across the filter element. The pressure sensor includes at least one sense line extending into an interior volume of the filter housing. A method of monitoring a filter assembly for a fluid flow system includes positioning a pressure sensor at a filter assembly, extending at least one sense line from the pressure sensor into an internal volume of a filter housing of the filter assembly, and measuring a pressure drop across a filter element of the filter assembly via the pressure sensor.

公开(公告)号：US11860044B2

公开(公告)日：2024-01-02

申请号：US17986617

申请日：2022-11-14

Applicant: Hamilton Sundstrand Corporation

Inventor： Gary M. McBrien ,  Peter A. Dorian

IPC: G01K5/24 ,  G01K13/00

CPC classification number: G01K5/24 ,  G01K13/00

Abstract: A system has a first temperature sensor located at a first location. A second temperature sensor is located at a second location. A control is configured to determine a difference between voltages indicated of a temperature sensed by each of the first and second sensors. A method is also disclosed.

公开(公告)号：US10756531B2

公开(公告)日：2020-08-25

申请号：US15939451

申请日：2018-03-29

Applicant: Hamilton Sundstrand Corporation

Inventor： Gary M. McBrien

IPC: H02H7/04 ,  H02H3/08 ,  G01D3/08 ,  G01D5/22

Abstract: Embodiments of the invention include systems and techniques for implementing voltage differential transducer (VDT) fault detection. Embodiments include a computing resource electrically coupled to an AC power supply, a VDT including a primary winding and a set of secondary windings, wherein the VDT is electrically coupled to the AC power supply. Embodiments also include a current sensing circuit electrically coupled to the AC power supply and the VDT, and a signal processor electrically coupled to an output of the VDT and the computing resource, the signal processor providing a signal indicative of a voltage differential of the set of secondary windings of the VDT, that is used by the computing resource to make an error determination.

公开(公告)号：US09677868B2

公开(公告)日：2017-06-13

申请号：US14185061

申请日：2014-02-20

Applicant: Hamilton Sundstrand Corporation

Inventor： Bhupindar Singh ,  Gary M. McBrien

IPC: G01B7/14 ,  G01B15/00

CPC classification number: G01B7/14 ,  G01B15/00 ,  G01M15/14

Abstract: A tip clearance measurement system (TCMS) includes a probe and sensing circuitry. The probe directs microwave signals toward a turbine blade and receives microwave signals reflected by the turbine blade. The sensing circuitry includes a switch having a first state in which a main frequency is provided at an output of the switch and a second state in which a reference frequency is provided at an output of the switch. The sensing circuitry further includes a first conditioning circuit that receives a frequency provided at the output of the switch and provides a conditioned frequency to the probe and a second conditioning circuit that receives both the conditioned frequency provided by the first conditioning circuit and a reflected frequency received by the probe, and provides a conditioned output based on the conditioned frequency and reflected frequency.

公开(公告)号：US09618913B2

公开(公告)日：2017-04-11

申请号：US13872614

申请日：2013-04-29

Applicant: Hamilton Sundstrand Corporation

Inventor： Gary M. McBrien ,  Leo J. Veilleux, Jr.

IPC: G05B15/02 ,  F02C7/236 ,  F23K5/00 ,  F23K5/04 ,  F23K5/06 ,  F23N1/00 ,  H04B11/00

CPC classification number: G05B15/02 ,  F02C7/236 ,  F05D2220/60 ,  F23K5/005 ,  F23K5/04 ,  F23K5/06 ,  F23K2301/206 ,  F23K2401/201 ,  F23N1/005 ,  H04B11/00

Abstract: A system includes a metering module that receives fluid through a fluid inlet. The metering module includes a rotating component driven by the fluid, an electric machine, and a controller. The fluid is received from the fluid inlet at an inlet flow rate, and the rotating component provides the fluid to an outlet of the rotating component at an outlet pressure. The electric machine is configured to generate electrical power in response to rotation of the rotating component. The controller is powered by the electrical power generated by the electric machine, and controls a rotational speed of the rotating component to control the outlet pressure.

公开(公告)号：US12066452B2

公开(公告)日：2024-08-20

申请号：US17303924

申请日：2021-06-10

Applicant: Hamilton Sundstrand Corporation

Inventor： Gary M. McBrien ,  Frank Perrelli

IPC: G01N9/32 ,  G01N9/26

CPC classification number: G01N9/32 ,  G01N9/26

Abstract: A method of determining density of a fluid within a system includes actuating a piston of a hydraulic cylinder at a target velocity. Additionally, the method includes determining differential pressure and volumetric flow rate of the fluid flowing through an orifice under actuation of the piston. The density of the fluid is determined based on the first differential pressure and the volumetric flow rate of the fluid, which is used by the system to regulate a mass flow rate of fluid within the system.

公开(公告)号：US20200011447A1

公开(公告)日：2020-01-09

申请号：US16028681

申请日：2018-07-06

Applicant: Hamilton Sundstrand Corporation

Inventor： Gary M. McBrien ,  James Saloio

IPC: F16K31/06 ,  F16H61/02 ,  H01F7/08

Abstract: A fluid system has a fluid actuator that receives a fluid to cause movement of a component. A valve selectively controls the flow of fluid to the fluid actuator. A motor for the valve is provided with an electric voltage or current. A control applies a pulse width modulation variation to the supplied voltage or current. The control is operable to vary the pulse width modulation of the voltage or the current based upon conditions of the system. A mechanical system and a method are also disclosed.

公开(公告)号：US10001026B2

公开(公告)日：2018-06-19

申请号：US15159268

申请日：2016-05-19

Applicant: Hamilton Sundstrand Corporation

Inventor： Gregory K. Schwalm ,  Gary M. McBrien

IPC: F16K1/12 ,  F01D17/14 ,  F16K17/02 ,  F16K31/04 ,  F16K49/00 ,  F01D25/12 ,  F04D27/00 ,  F01D17/10

CPC classification number: F01D17/145 ,  F01D17/105 ,  F01D25/12 ,  F02C6/08 ,  F04D27/009 ,  F05D2220/32 ,  F16K1/12 ,  F16K1/126 ,  F16K17/02 ,  F16K31/04 ,  F16K49/005 ,  F16K49/007 ,  Y10T137/3367 ,  Y10T137/6579

Abstract: An in-line shutoff valve includes a valve body with an inlet chamber, an outlet chamber, and a poppet seat disposed between the inlet and outlet chambers. A poppet is movably disposed within the valve body and has an open and closed position. The poppet seats against the poppet seat in the closed position, fluidly separating the inlet chamber from the outlet chamber. The poppet is unseated from the poppet seat in the open position, fluidly coupling the inlet and outlet chambers. A manifold with a servo port and a vent port is disposed within the valve body between the inlet and outlet chambers, the vent port being in fluid communication with the servo port to cool valve internal structures when the poppet is in the closed position.