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    Backup power system with controller
    4.
    发明授权
    Backup power system with controller 有权

    公开(公告)号：US11814286B2

    公开(公告)日：2023-11-14

    申请号：US17585098

    申请日：2022-01-26

    Applicant: Caterpillar Inc.

    Inventor： Michael Bardell ,  David T. Montgomery

    IPC: C01B3/32 ,  C01B3/52

    CPC classification number: C01B3/323 ,  C01B3/52 ,  C01B2203/0233 ,  C01B2203/04 ,  C01B2203/1011 ,  C01B2203/1223 ,  C01B2203/1685 ,  C01B2203/84

    Abstract: A system is disclosed. The system can store a fuel reagent such as methanol for conversion into hydrogen to power one or more facility systems via a backup power system. A reactor controller can monitor a power demand of the one or more facility systems and determine whether the power demand is met by a primary power system. The fuel reagent can be provided to a fuel reactor in response to the reactor controller determining that the one or more facility systems are operating at a power deficit to generate an amount of hydrogen that, when provided to the backup power system, causes the backup power system to generate an amount of power that meets or exceeds the power deficit.

    Stoichiometric engine system utilizing three-way catalyst upstream of turbine
    5.
    发明授权
    Stoichiometric engine system utilizing three-way catalyst upstream of turbine 有权

    公开(公告)号：US11261830B2

    公开(公告)日：2022-03-01

    申请号：US16531463

    申请日：2019-08-05

    Applicant: Caterpillar Inc.

    Inventor： Ronald Silver ,  Jaswinder Singh ,  David M. Ginter ,  Paul Wang ,  Michael Bardell

    IPC: F02M26/35 ,  F02M26/05 ,  F01N3/10 ,  F02M26/23 ,  F02M26/46 ,  F02M26/15 ,  F02M26/00

    Abstract: The present disclosure relates to exhaust treatment systems and engine systems. In one implementation, an engine system comprises an engine comprising an intake manifold and an exhaust manifold, the engine configured to combust a fuel-air mixture received via the intake manifold and produce a flow of exhaust gases via the exhaust manifold. The engine system also comprises a turbocharger comprising a turbine, an exhaust passageway fluidly connecting the exhaust manifold of the engine to the turbine and an intake passageway fluidly connected to the intake manifold of the engine for supplying the fuel-air mixture, a catalyzed member positioned along the exhaust passageway between the engine and the turbine, and an exhaust gas recirculation (EGR) loop fluidly connected downstream of the catalyzed member and fluidly connected to the exhaust passageway and the intake passageway.

    In-line generation of pilot fuel for power systems
    7.
    发明授权
    In-line generation of pilot fuel for power systems 有权

    公开(公告)号：US11643987B2

    公开(公告)日：2023-05-09

    申请号：US17468387

    申请日：2021-09-07

    Applicant: Caterpillar Inc.

    Inventor： David T. Montgomery ,  David M. Ginter ,  Michael Bardell ,  Arnold Kim ,  Kenth Svensson

    IPC: F02D41/00 ,  F02D35/02 ,  F02M21/02 ,  F02D41/14 ,  F02D41/40

    CPC classification number: F02D41/0027 ,  F02D35/023 ,  F02D41/1446 ,  F02D41/1448 ,  F02D41/403 ,  F02M21/0227

    Abstract: A system includes a fuel tank and a dehydration reactor that are configured to provide a primary fuel and a pilot fuel to a power system. The fuel tank is configured to store the primary fuel and is fluidly connected to a reactor feed line and a primary fuel line provide the primary fuel. The dehydration reactor is configured to receive the primary fuel via the reactor feed line and convert a portion of the primary fuel to the pilot fuel and a byproduct. The power system is configured to receive the pilot fuel from the dehydration reactor to initiate combustion of the primary fuel. The power system also includes a cylinder with an internal piston that receives the pilot fuel and the primary fuel, contains the combustion reaction, and generates power from the combustion reaction; and contains the combustion reaction. A pilot fuel injector provides the pilot fuel to the cylinder at a first time to initiate combustion and a primary fuel injector provides the pilot fuel to the cylinder at to generate power via the power system.

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