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公开(公告)号：US11105306B2
公开(公告)日：2021-08-31
申请号：US15945818
申请日：2018-04-05
Applicant: Caterpillar Inc.
Inventor： Aaron Michael Brown
Abstract: A pump includes a pump body having an admission valve movable therein to alternately block and unblock a valve seat to connect a low pressure space to a pumping chamber. A control valve is positioned fluidly between a control chamber and the low pressure space, and moves between a closed position where the control chamber receives high pressure for hydraulically actuating the admission valve, and an open position where the control chamber is connected to the low pressure space to enable closing of the admission valve. The pilot actuation of the admission valve produces a greater travel distance and efficiency than what might be available with certain other actuating mechanisms.
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公开(公告)号：US10941742B2
公开(公告)日：2021-03-09
申请号：US15948618
申请日：2018-04-09
Applicant: Caterpillar Inc.
Inventor： Aaron Michael Brown , Cory A Brown
Abstract: An engine head assembly includes a plurality of fuel injectors each positioned within a fuel injector bore in the engine head, and each being fluidly coupled with a fluid conduit. Each fuel injector includes a valve assembly positioned within a fuel injector case that includes an elongate body having an opening. A filter sleeve having a particle-blocking perforation array structured to block particles is press fit on the fuel injector case to form a fluid flow path from the fluid conduit into the fuel injector case.
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公开(公告)号：US20170037879A1
公开(公告)日：2017-02-09
申请号：US15333455
申请日：2016-10-25
Applicant: Caterpillar Inc.
Inventor： Aaron Michael Brown , Kenneth Carroll Adams
Abstract: A hydraulic actuator for a cryogenic pump is provided. The hydraulic actuator includes a piston. The hydraulic actuator also includes a base housing. The hydraulic actuator further includes a push rod assembly. The push rod assembly includes a tube guide. The push rod assembly also includes a push rod. The push rod is adapted to reciprocate within the tube guide. The hydraulic actuator also includes a sealing assembly having a hollow cylindrical configuration. The sealing assembly includes a first static seal portion. The first static seal portion being connected to the base housing. The sealing assembly also includes a second static seal portion. The second static seal portion is connected to the push rod. The sealing assembly further includes an expandable annular bellow extending between the first and second static seal portions. The sealing assembly is adapted to prevent flow of a first fluid in a first direction.
Abstract translation: 提供一种用于低温泵的液压致动器。 液压致动器包括活塞。 液压致动器还包括基座壳体。 液压致动器还包括推杆组件。 推杆组件包括管引导件。 推杆组件还包括推杆。 推杆适于在管引导件内往复运动。 液压致动器还包括具有中空圆柱形构造的密封组件。 密封组件包括第一静密封部分。 第一静密封部分连接到基座外壳。 密封组件还包括第二静态密封部分。 第二静密封部分连接到推杆上。 密封组件还包括在第一和第二静态密封部分之间延伸的可扩张的环形波纹管。 密封组件适于防止第一流体沿第一方向流动。
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Patent Agency Ranking
公开(公告)号：US09447740B2
公开(公告)日：2016-09-20
申请号：US14311770
申请日：2014-06-23
Applicant: Caterpillar Inc.
Inventor： Aaron Michael Brown , David E. Hackett , Lifeng Wang , Scott F. Shafer , Alan R. Stockner , Martin A. Lehman
CPC classification number: F02D19/08 , F02D19/0689 , F02D19/0694 , F02F1/242 , F02M21/0254 , F02M21/0275 , F02M43/04 , F02M51/06 , F02M61/14 , Y02T10/32 , Y02T10/36
Abstract: A fuel injector is disclosed for use in an engine system. The fuel injector may have a body defining a gas inlet, an oil inlet, and an oil outlet. The fuel injector may also have a nozzle connected to the body and having a base end in fluid communication with the gas inlet, and an injection tip located opposite the base end. The fuel injector may also have a valve check disposed in the nozzle and movable to selectively block and unblock the injection tip of the nozzle, and a plunger disposed in the body between the oil inlet and the oil outlet. The plunger may be movable between a flow-passing position and a flow-blocking position to cause movement of the valve check through the injection tip. The injector may further have a solenoid actuator configured to selectively move the plunger.
Abstract translation: 公开了一种用于发动机系统中的燃料喷射器。 燃料喷射器可以具有限定气体入口，进油口和出油口的主体。 燃料喷射器还可以具有连接到主体并具有与气体入口流体连通的基端的喷嘴，以及与基端相对的喷射尖端。 燃料喷射器还可以具有设置在喷嘴中并可移动以便选择性地阻塞和解除喷嘴的喷射尖端的阀检查，以及设置在油入口和出油口之间的主体中的柱塞。 柱塞可以在流动通过位置和阻流位置之间移动，以引起阀门检查通过注射尖端的移动。 喷射器还可以具有构造成选择性地移动柱塞的螺线管致动器。
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公开(公告)号：US20190195181A1
公开(公告)日：2019-06-27
申请号：US15849906
申请日：2017-12-21
Applicant: Caterpillar Inc.
Inventor： Aaron Michael Brown , Michael Edward Pickell
CPC classification number: F02M61/165 , F02F1/242 , F02M57/02 , F02M61/1833
Abstract: An engine head assembly includes a plurality of fuel injectors each positioned within a fuel injector bore in an engine head, and fluidly coupled with a fluid conduit. Each fuel injector includes a valve assembly within a fuel injector case such that an interior fluid space is formed between the fuel injector case and the valve assembly. The fuel injector case includes an elongate body having a particulate-blocking perforation array formed therein, and that is structured to block particulates in fuel entering the fuel injector from the fluid conduit.
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公开(公告)号：US20190309719A1
公开(公告)日：2019-10-10
申请号：US15948618
申请日：2018-04-09
Applicant: Caterpillar Inc.
Inventor： Aaron Michael Brown , Cory A. Brown
Abstract: An engine head assembly includes a plurality of fuel injectors each positioned within a fuel injector bore in the engine head, and each being fluidly coupled with a fluid conduit. Each fuel injector includes a valve assembly positioned within a fuel injector case that includes an elongate body having an opening. A filter sleeve having a particle-blocking perforation array structured to block particles is press fit on the fuel injector case to form a fluid flow path from the fluid conduit into the fuel injector case.
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公开(公告)号：US20190309713A1
公开(公告)日：2019-10-10
申请号：US15945818
申请日：2018-04-05
Applicant: Caterpillar Inc.
Inventor： Aaron Michael Brown
Abstract: A pump includes a pump body having an admission valve movable therein to alternately block and unblock a valve seat to connect a low pressure space to a pumping chamber. A control valve is positioned fluidly between a control chamber and the low pressure space, and moves between a closed position where the control chamber receives high pressure for hydraulically actuating the admission valve, and an open position where the control chamber is connected to the low pressure space to enable closing of the admission valve. The pilot actuation of the admission valve produces a greater travel distance and efficiency than what might be available with certain other actuating mechanisms.
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公开(公告)号：US10371110B2
公开(公告)日：2019-08-06
申请号：US15849906
申请日：2017-12-21
Applicant: Caterpillar Inc.
Inventor： Aaron Michael Brown , Michael Edward Pickell
Abstract: An engine head assembly includes a plurality of fuel injectors each positioned within a fuel injector bore in an engine head, and fluidly coupled with a fluid conduit. Each fuel injector includes a valve assembly within a fuel injector case such that an interior fluid space is formed between the fuel injector case and the valve assembly. The fuel injector case includes an elongate body having a particulate-blocking perforation array formed therein, and that is structured to block particulates in fuel entering the fuel injector from the fluid conduit.
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