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公开(公告)号：US10830194B2
公开(公告)日：2020-11-10
申请号：US15288729
申请日：2016-10-07
Applicant: Caterpillar Inc.
Inventor： Scott F. Shafer , Dennis H. Gibson , Zhenyu (Jason) Li , Robert Michael Campion , Alan Ray Stockner , Satya Naga Deepak Pillarisetti , George Kodikulam Joseph , Lifeng Wang
Abstract: A fuel system is disclosed for use with an engine. The fuel system may have a common rail, a first type of fuel injector fluidly connected to the common rail, and a second type of fuel injector fluidly connected to the common rail. The second type of fuel injector may include a pumping portion having a bore formed therein, and a plunger reciprocatingly disposed in the bore. The second type of fuel injector may also include an accumulator portion fluidly connected to the common rail and configured to receive fuel pushed from the bore of the pumping portion by the plunger, a nozzle portion, and a valve portion fluidly connecting the pumping, nozzle, and accumulator portions.
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公开(公告)号：US09976527B1
公开(公告)日：2018-05-22
申请号：US15405925
申请日：2017-01-13
Applicant: Caterpillar Inc.
Inventor： Robert Campion , George Kodikulam Joseph , Satya Naga Deepak Pillarisetti , Zhenyu Li
CPC classification number: F02M53/043 , F02M55/004 , F02M55/008 , F02M55/025 , F02M57/023 , F02M61/14
Abstract: A fuel injector assembly for an engine system includes a fuel pressurization mechanism, a fuel injector, and a flow-directing sleeve positioned about the fuel injector and including sealing surfaces for sealing with a cylinder head and with an injector body. Slots are formed at least in part in the sealing surfaces to direct fuel from the cylinder head into an incoming cooling passage extending to the fuel pressurization mechanism, and from an outgoing cooling fuel passage into the cylinder head.
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公开(公告)号：US10544769B2
公开(公告)日：2020-01-28
申请号：US15726950
申请日：2017-10-06
Applicant: Caterpillar Inc.
Inventor： Aaron M. Brown , Cory A. Brown , Sridhar Thangaswamy , Alan R. Stockner , Victor I. Yacoub , Zhenyu Li , Lifeng Wang , Satya Naga Deepak Pillarisetti , Scott Shafer , Robert Michael Campion , George Kodikulam Joseph
Abstract: A fuel system is disclosed for use with an engine, including a fuel injector assembly fluidly coupled with a low-pressure fuel conduit, an accumulator, and a cap within an opening in the accumulator. The fuel injector assembly may be structured to draw in low-pressure fuel, pressurize the fuel, and store the pressurized fuel in the accumulator for injection to a combustion chamber. The cap has a pressure sensor and a pressure relief valve therein, and drains fuel leaked past fluid seals between the cap and each of the pressure sensor, the pressure relief valve, and the accumulator by way of a common drain line.
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公开(公告)号：US20180100476A1
公开(公告)日：2018-04-12
申请号：US15726950
申请日：2017-10-06
Applicant: Caterpillar Inc.
Inventor： Aaron M. Brown , Cory A. Brown , Sridhar Thangaswamy , Alan R. Stockner , Victor I. Yacoub , Zhenyu Li , Lifeng Wang , Satya Naga Deepak Pillarisetti , Scott Shafer , Robert Michael Campion , George Kodikulam Joseph
CPC classification number: F02M57/027 , F02D41/0082 , F02D41/3094 , F02D41/3863 , F02D2041/3881 , F02D2200/0602 , F02F7/006 , F02M39/02 , F02M47/027 , F02M55/002 , F02M55/004 , F02M55/005 , F02M55/025 , F02M57/005 , F02M57/023 , F02M59/022 , F02M63/005 , F02M63/0225 , F02M63/0265 , F02M2200/16 , F02M2200/247
Abstract: A fuel system is disclosed for use with an engine, including a fuel injector assembly fluidly coupled with a low-pressure fuel conduit, an accumulator, and a cap within an opening in the accumulator. The fuel injector assembly may be structured to draw in low-pressure fuel, pressurize the fuel, and store the pressurized fuel in the accumulator for injection to a combustion chamber. The cap has a pressure sensor and a pressure relief valve therein, and drains fuel leaked past fluid seals between the cap and each of the pressure sensor, the pressure relief valve, and the accumulator by way of a common drain line.
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