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公开(公告)号：US11491442B2
公开(公告)日：2022-11-08
申请号：US16710783
申请日：2019-12-11
Applicant: Hamilton Sundstrand Corporation
Inventor： James R. Doherty , Beakal T. Woldemariam , Donald E. Army , David Anderson , Eric Surawski
Abstract: An air separation module includes a cylindrical canister and a separator. The cylindrical canister has a longitudinal axis, an inlet, an oxygen-depleted air outlet, and a drain portion with an oxygen-enriched air outlet. The separator is arranged within the cylindrical canister to separate a compressed air flow into an oxygen-depleted air flow fraction and an oxygen-enriched air flow fraction, the oxygen-depleted air flow fraction provided to the oxygen-depleted air outlet and the oxygen-enriched air flow fraction to the drain portion of the canister. The drain portion extends tangentially from the cylindrical canister to issue the oxygen-enriched air flow fraction with entrained condensate from the oxygen-enriched air outlet with a tangential flow component. Nitrogen generation systems and methods of removing condensate from air separation modules are also described.
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公开(公告)号：US11155358B2
公开(公告)日：2021-10-26
申请号：US16372943
申请日：2019-04-02
Applicant: Hamilton Sundstrand Corporation
Inventor： Earl Jean LaVallee, III , Eric Surawski
Abstract: Fuel tank inerting systems and methods for aircraft are described. The systems and methods include controlling of (i) a first reactant control element, (ii) a second reactant control valve, (iii) a ram air control valve, (iv) a driving mechanism, and (v) a flow control valve, to control a state of a fuel tank inerting system. The states of the fuel tank inerting system include an OFF state, a CIRCULATE state, a PRIME state, a CATWARM state, an ON state, a DEPRESSURIZE state, and a COOLDOWN state, wherein the states are determined in part by a prior state and/or a position/actuation of a given element of the system.
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公开(公告)号：US11148823B2
公开(公告)日：2021-10-19
申请号：US16829566
申请日：2020-03-25
Applicant: Hamilton Sundstrand Corporation
Inventor： Lance L. Smith , Eric Surawski
Abstract: Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and an inert gas recycling system located downstream of the catalytic reactor and upstream of the fuel tank, wherein the inert gas recycling system is arranged to direct a portion of the inert gas to the catalytic reactor.
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4.发明申请公开(公告)号：US20210178302A1
公开(公告)日：2021-06-17
申请号：US16710795
申请日：2019-12-11
Applicant: Hamilton Sundstrand Corporation
Inventor： James R. Doherty , Beakal T. Woldemariam , David Anderson , Donald E. Army , Eric Surawski
Abstract: An air separation module includes canister, a separator, and a band. The canister has an inlet end, an axially opposite outlet end, and an oxygen-enriched air flow fraction outlet port between the inlet end and the outlet end of the canister. The separator is supported within the canister and is arranged to separate compressed air flow into an oxygen-depleted air flow fraction and an oxygen-enriched air flow, provide the oxygen-depleted air flow fraction to the outlet end of the canister, and divert the oxygen-enriched air flow fraction to the oxygen-enriched air flow outlet port. The band is fixed to the canister and extends about the separator at a location axially between the oxygen-enriched air flow fraction outlet port and the inlet end of the canister to support the air separation module. Nitrogen generation systems and methods of making air separation modules are also described.
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公开(公告)号：US20210156346A1
公开(公告)日：2021-05-27
申请号：US16697435
申请日：2019-11-27
Applicant: Hamilton Sundstrand Corporation
Inventor： Beakal T. Woldemariam , Eric Surawski
Abstract: Cabin outflow temperature control systems and methods for use on aircraft are described. The systems include an aircraft cabin, a heat load source, a heat exchanger configured to receive cabin outflow air from the aircraft cabin and heat load discharge air, the heat exchanger configured to enable thermal transfer from the heat load discharge air to the cabin outflow air to generate high temperature cabin outflow air and low temperature discharge air as outputs from the heat exchanger, and one or more downstream operation systems configured to receive the high temperature cabin outflow air and perform a downstream operation using said high temperature cabin outflow air.
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Patent Agency Ranking
公开(公告)号：US10858119B2
公开(公告)日：2020-12-08
申请号：US15945292
申请日：2018-04-04
Applicant: Hamilton Sundstrand Corporation
Inventor： Sean C. Emerson , Zissis A. Dardas , Randolph Carlton McGee , Eric Surawski
Abstract: A fuel tank inerting system includes a primary catalytic reactor comprising an inlet, an outlet, a reactive flow path between the inlet and the outlet, and a catalyst on the reactive flow path. The catalytic reactor is arranged to receive fuel from the fuel tank and air from an air source that are mixed to form a combined flow, and to react the combined flow along the reactive flow path to generate an inert gas. The system also includes an input sensor that measures a property of the combined flow before it enters the primary catalytic reactor and an output sensor that measures the property of the combined flow after it exits the primary catalytic reactor.
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公开(公告)号：US20200180778A1
公开(公告)日：2020-06-11
申请号：US16216148
申请日：2018-12-11
Applicant: Hamilton Sundstrand Corporation
Inventor： Sean C. Emerson , Peter AT Cocks , Lance L. Smith , Eric Surawski
IPC: B64D37/32
Abstract: Fuel tank inerting systems for aircraft are provided. The systems include a fuel tank, a catalytic reactor arranged to receive a first reactant from a first reactant source and a second reactant from a second reactant source to generate an inert gas that is supplied to the fuel tank to fill an ullage space of the fuel tank, a heat exchanger arranged between the catalytic reactor and the fuel tank and configured to at least one of cool and condense an output from the catalytic reactor to separate out the inert gas, and a controller configured to perform a light-off operation of the catalytic reactor by controlling at least one light-off parameter and, after light-off occurs, adjusting the at least one light-off parameter to an operating level, wherein the at least one light-off parameter comprises a temperature of the catalytic reactor.
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公开(公告)号：US20190291886A1
公开(公告)日：2019-09-26
申请号：US15934095
申请日：2018-03-23
Applicant: Hamilton Sundstrand Corporation
Inventor： Sean C. Emerson , Zissis A. Dardas , Randolph Carlton McGee , Eric Surawski
Abstract: An internal recycle reactor for catalytic inerting has a monolithic body having a motive fluid duct, a suction chamber, a mixing region, a reactor section, an outlet, and a recycle passage. The suction chamber includes a suction chamber inlet. The mixing region is configured to receive gaseous fluids from the motive fluid duct and the suction chamber inlet to produce a gaseous mixture. The reactor section includes a catalyst and is configured to receive the gaseous mixture from the mixing region. The outlet is configured to deliver an exhaust gas from the reactor section and the recycle passage is configured to deliver a portion of the exhaust gas to the suction chamber inlet.
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公开(公告)号：US20180312263A1
公开(公告)日：2018-11-01
申请号：US15648132
申请日：2017-07-12
Applicant: Hamilton Sundstrand Corporation
Inventor： Donald E. Army , Louis J. Bruno , Sherif M. Kandil , Matthew Pess , Robert C. Roy , Eric Surawski , Joseph Turney , Lawrence E. Zeidner , Paul M. D'Orlando
CPC classification number: B64D13/06 , B64D2013/0618 , B64D2013/0648 , B64D2013/0662
Abstract: An environmental control system of an aircraft includes a ram air circuit including a ram air shell having a heat exchanger positioned therein and a dehumidification system arranged in fluid communication with the ram air circuit. A plurality of expansion devices is arranged in fluid communication with the ram air circuit and the dehumidification system. At least one of the expansion devices is a simple cycle expansion device.
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公开(公告)号：US20180155050A1
公开(公告)日：2018-06-07
申请号：US15883633
申请日：2018-01-30
Applicant: Hamilton Sundstrand Corporation
Inventor： Eric Surawski , Brian St. Rock
CPC classification number: B64D37/32 , B01D53/265 , B01D53/8671 , B01D2257/104 , B01D2259/4575 , B64D13/08 , B64D37/06 , B64D2013/0618
Abstract: Fuel tank inerting systems and methods for an aircraft. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and a heating duct thermally connected to the catalytic reactor and arranged in thermal communication with the first source to provide heat to the first source to generate the first reactant.
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