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公开(公告)号：US11635031B2
公开(公告)日：2023-04-25
申请号：US16678905
申请日：2019-11-08
Applicant: Hamilton Sundstrand Corporation
Inventor： Charles E. Reuter , Gerald P. Dyer
Abstract: Apparatus and associated methods relate to simultaneously pumping and measuring density of an aircraft fuel. The aircraft fuel is pumped by a centrifugal pump having an impeller. A rotational frequency of the impeller is determined while the centrifugal pump is pumping the aircraft fuel. Flow rate of the aircraft fuel through the centrifugal pump is sensed. Pressure of the aircraft fuel is measured at two different points within or across the centrifugal pump or a differential pressure is measured between the two different points while the centrifugal pump is pumping the aircraft fuel. Density of the aircraft fuel is determined based on a head-curve relation characterizing the centrifugal pump. The head-curve relation relates the fuel density to the rotational frequency, the flow rate, and pressures at the two different points or the differential pressure between the two different points.
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公开(公告)号：US10556193B2
公开(公告)日：2020-02-11
申请号：US15706078
申请日：2017-09-15
Applicant: Hamilton Sundstrand Corporation
Inventor： Gerald P. Dyer
Abstract: An oxygen removal system for removing dissolved oxygen from fuel within a fuel system includes a first housing, a second housing, a membrane filter, a piston assembly, and an outlet cap. The first housing extends along a first axis between a first housing first end and a first housing second end. The second housing is disposed about the first housing. The membrane filter is disposed between the first housing and the second housing. The piston assembly has a piston housing that is disposed about the second housing. The piston assembly is arranged to generate a vacuum to remove a fluid from the membrane filter.
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公开(公告)号：US10450961B2
公开(公告)日：2019-10-22
申请号：US15186041
申请日：2016-06-17
Applicant: Hamilton Sundstrand Corporation
Inventor： Francis P. Marocchini , Aaron F. Rickis , Elise N. Zimmerman , Gerald P. Dyer
Abstract: A gas turbine engine shut-down system includes a pump configured to draw a flow of fuel from a source, a fuel nozzle configured to receive the flow of fuel from the pump, a fuel shut-off valve in fluid communication with the pump, a recirculation circuit for circulating excess fuel to a location upstream of the pump; a solenoid valve in communication with the pump and the recirculation circuit; and a fuel-bypass valve. The fuel-bypass valve includes a first opening connected to the fuel pump, a second opening connected to the fuel shut-off valve, a third opening connected to the recirculation circuit, a fourth opening connected to the solenoid valve, and a piston disposed within the fuel-bypass valve and movable between a plurality of positions.
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公开(公告)号：US20190030461A1
公开(公告)日：2019-01-31
申请号：US15659391
申请日：2017-07-25
Applicant: Hamilton Sundstrand Corporation
Inventor： Gerald P. Dyer
CPC classification number: B01D19/0084 , B01D19/0005 , B01D19/0031 , B01D19/0036 , B01D35/301 , B01D35/306 , B01D36/001 , B01D36/006 , B01D63/06 , B01D63/068 , F23K2900/05082
Abstract: A fluid degassing device includes a first housing, a second housing disposed within the first housing, a first flow circuit defined by the second housing and the first housing between a first flow circuit opening and a second flow circuit opening of the first flow circuit, and a tube bundle of selectively permeable membrane tubes disposed in the first flow circuit between the second housing and first housing. The tube bundle is disposed at least partially around a circumference of the second housing and the first flow circuit is defined between the first flow circuit opening of the first flow circuit and the second flow circuit opening such that fuel flows rotationally around the second housing through the tube bundle.
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公开(公告)号：US11491421B2
公开(公告)日：2022-11-08
申请号：US15877025
申请日：2018-01-22
Applicant: Hamilton Sundstrand Corporation
Inventor： Gerald P. Dyer
IPC: B01D19/00 , B64D37/00 , B64D37/32 , F04B39/00 , B64D37/34 , F04B9/12 , F04B25/02 , B64D13/06 , B01D53/22
Abstract: A vacuum system for use with a deoxygenator system includes a housing, a movable assembly positioned within the housing, and a biasing mechanism coupling the movable assembly to the housing. The movable assembly is movable between a first position and a second position within the housing to form a low pressure area between the housing and the movable assembly. A control system including at least one pressure source is arranged in fluid communication with the low pressure area. The control system is operable to selectively communicate fluid from the at least one pressure source to the housing to form the low pressure area.
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Patent Agency Ranking
公开(公告)号：US10792591B2
公开(公告)日：2020-10-06
申请号：US15962220
申请日：2018-04-25
Applicant: Hamilton Sundstrand Corporation
Inventor： Gerald P. Dyer
Abstract: A gas removal unit has a tube bundle formed of a plurality of tubes with a hollow center. The tubes are formed of a material that allows passage of a gas from an exterior of the tube into an interior of the tube and resists flow of at least some liquids through the tube into the interior of the tube. There is a plurality of inner chambers within the bundle and a plurality of outer chambers outward of the bundle. A fluid inlet connects to a first of the inner or outer chambers and a fluid outlet connects to a second of the inner and outer chambers. An axial direction is defined between the fluid inlet to the fluid outlet. A tortuous path is defined by the inner and outer chambers such that a fluid will pass repeatedly from the inner chambers to the outer chambers, and from the outer chambers to the inner chambers, as it moves along the axial direction from the fluid inlet to the fluid outlet. A fuel supply system is also disclosed.
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公开(公告)号：US20190063375A1
公开(公告)日：2019-02-28
申请号：US15685590
申请日：2017-08-24
Applicant: Hamilton Sundstrand Corporation
Inventor： Gerald P. Dyer
Abstract: A leak detection and mitigation system includes a gas flow path extending from a gas outlet of a fuel degassing device and an orifice in the gas flow path. A sensor is positioned in the gas flow path upstream from the orifice. The sensor is configured to detect a fuel leak into the gas flow path. A method for leak detection and mitigation in a fuel degassing system includes removing gasses from a fuel stream with a fuel degassing device. The method includes directing gasses removed from the fuel stream through a gas flow path extending from a gas outlet of the fuel degassing device. An orifice is positioned in the gas flow path. The method includes detecting a leak from the fuel stream into the gas flow path by measuring a characteristic in the gas flow path upstream from the orifice with a sensor.
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公开(公告)号：US20190030459A1
公开(公告)日：2019-01-31
申请号：US15659381
申请日：2017-07-25
Applicant: Hamilton Sundstrand Corporation
Inventor： Gerald P. Dyer
Abstract: A fluid degassing device includes a first housing, a second housing disposed at least partially within the first housing, and a first flow circuit defined by the second housing and first housing and the first housing, wherein the second housing includes a second housing opening of the first flow circuit and the first housing includes a first housing opening of the first flow circuit. The device includes a tube bundle of selectively permeable membrane tubes disposed in the first flow circuit between the second housing and first housing. The tube bundle is disposed at least partially around a circumference of the second housing. The tube bundle is configured to be in fluid communication with a second flow circuit to fluidly communicate with an inner channel of the tubes of the tube bundle.
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公开(公告)号：US10118109B1
公开(公告)日：2018-11-06
申请号：US15683512
申请日：2017-08-22
Applicant: Hamilton Sundstrand Corporation
Inventor： Gerald P. Dyer
Abstract: A vacuum assembly includes a housing, a movable assembly positioned within the housing, and a biasing mechanism coupling the movable assembly to the housing. The movable assembly is movable between a first position and a second position within the housing to create a low pressure area between the housing and a first portion of the movable assembly.
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公开(公告)号：US20220186671A1
公开(公告)日：2022-06-16
申请号：US17123479
申请日：2020-12-16
Applicant: Hamilton Sundstrand Corporation
Inventor： Charles E. Reuter , Gerald P. Dyer
Abstract: A fuel supply system includes a low flow circuit that branches off parallel to the main flow circuit from the upstream main flow line upstream of the metering valve and has an upstream low flow line having a line connected to an orifice having an upstream side and a downstream side. The downstream side of the orifice is connected to a mass flow meter. A return low flow line is downstream of the mass flow meter and connected into the downstream main flow line at a downstream point. A controller is programmed to take in a low flow circuit mass flow measured by the mass flow meter, and calculate a main mass flow through the main flow circuit and the total mass flow delivered to the engine. A gas turbine engine and a method of operation are also disclosed.
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