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公开(公告)号：US20170014741A1
公开(公告)日：2017-01-19
申请号：US14801537
申请日：2015-07-16
Applicant: Caterpillar Inc.
Inventor： Siddharth Nair
CPC classification number: B01D35/306 , B01D29/58 , B01D35/005 , B01D35/02 , B01D2201/02 , F02M37/22 , F02M61/165
Abstract: A filter adapter for a fuel injector is disclosed. The filter adapter may have a filter housing. The filter housing may have a first connection end and a second connection end. The filter housing may also have a through bore extending through the filter housing between the first connection end and the second connection end and forming a filter cavity. The filter adapter may also have a first filter positioned in the filter cavity and including a first plurality of openings and a second filter positioned in the filter cavity and including a second plurality of openings. The first connection end may have a first connector configured to mate with a fuel outlet of a first fuel system component. The second connection end may have a second connector configured to mate with a fuel inlet of a second fuel system component.
Abstract translation: 公开了一种用于燃料喷射器的过滤器适配器。 过滤器适配器可以具有过滤器壳体。 过滤器壳体可以具有第一连接端和第二连接端。 过滤器壳体还可以具有在第一连接端和第二连接端之间延伸穿过过滤器壳体并形成过滤腔的通孔。 过滤器适配器还可以具有位于过滤器空腔中的第一过滤器，并且包括第一多个开口和位于过滤器腔中并包括第二多个开口的第二过滤器。 第一连接端可以具有被配置为与第一燃料系统部件的燃料出口配合的第一连接器。 第二连接端可以具有被配置为与第二燃料系统部件的燃料入口配合的第二连接器。
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公开(公告)号：US20180291853A1
公开(公告)日：2018-10-11
申请号：US15483160
申请日：2017-04-10
Applicant: Caterpillar Inc.
IPC: F02M61/16
CPC classification number: F02M61/165 , B01D29/33 , B01D29/44 , B01D29/58 , B01D29/90 , F02M37/22 , F02M2200/27
Abstract: A filter for a fuel injection system includes a body that defines a longitudinal axis, a first end face, a second end, an outer surface extending between the first end face and the second end, an inner surface defining an inner chamber closed at the first end face and open at the second end. The body also defines at least one perforated portion formed in the outer surface extending from the outer surface to the inner surface, at least one slot extending axially along the outer surface. The slot is open and is in fluid communication with the first end face and defines an edge along the outer surface. The edge provides fluid communication between the slot and the perforated portion. Additionally, the edge and an inlet channel of the fuel injection system are adapted to define a first filtration zone. The perforated portion defines a second filtration zone.
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Patent Agency Ranking
公开(公告)号：US20160341166A1
公开(公告)日：2016-11-24
申请号：US14717408
申请日：2015-05-20
Applicant: CATERPILLAR INC.
Inventor： David Eugene Martin , Siddharth Nair , Sean Olen Cornell
CPC classification number: F02M63/0077 , F02M47/027 , F02M61/04 , F02M61/10 , F02M61/12 , F02M61/168 , F02M61/18 , F02M63/0015 , F02M63/0043 , F02M63/0059 , F02M63/0078 , F02M2200/16
Abstract: A fuel injector is disclosed herein. The fuel injector includes an injection line, a control valve, a check rod, a control cavity, a high pressure inlet, and a drain line. The injection line fluidly connects a fuel inlet to an injection cavity. The control cavity is adjacent an upper end of the check rod distal to the injection cavity. The high pressure inlet fluidly connects the injection line to the control cavity. The control valve blocks the flow of fuel from the control cavity to the drain line when the control valve is in a closed position and does not block the flow of fuel from the control cavity to the drain line when the control valve is in an open position.
Abstract translation: 本文公开了一种燃料喷射器。 燃料喷射器包括注射管线，控制阀，检查杆，控制腔，高压入口和排出管线。 注射管线将燃料入口流体地连接到注射腔。 控制腔与检查杆的远离注射腔的上端相邻。 高压入口将注入管线流体连接到控制腔。 当控制阀处于关闭位置时，控制阀阻挡燃料从控制腔流向排出管路的流动，并且当控制阀处于打开位置时不控制燃料从控制腔流向排出管路 。
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公开(公告)号：US10895233B2
公开(公告)日：2021-01-19
申请号：US16414140
申请日：2019-05-16
Applicant: Caterpillar Inc.
Inventor： Siddharth Nair , Manjunath Bannur Nagaraja
Abstract: A fuel system includes a plurality of fuel injectors each having an injection control valve assembly, a direct operated nozzle check, a high pressure nozzle supply passage, and a check control chamber. A common drain conduit fluidly connects to each of the plurality of fuel injectors to receive drained actuating fluid. A plurality of pressure regulating valves each having a static geometry are positioned fluidly between the common drain conduit and the check control chamber in one of the plurality of fuel injectors. Operating a fuel system according to the present disclosure includes limiting cross-talk between injectors in the fuel system.
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公开(公告)号：US11220980B2
公开(公告)日：2022-01-11
申请号：US16414522
申请日：2019-05-16
Applicant: Caterpillar Inc.
Inventor： Siddharth Nair , Manjunath Bannur Nagaraja
Abstract: A fuel system includes a plurality of fuel injectors connected to a common drain conduit, and a plurality of isolation valve assemblies each positioned fluidly between the common drain conduit and one of the plurality of fuel injectors. Each isolation valve assembly includes a valve member movable between a closed position to block an injection control valve assembly in the fuel injector from the common drain conduit, and an open position, and a biaser biasing the isolation valve member toward the closed position such that fuel injectors are isolated from fluid pressure pulses produced by nozzle check actuation to limit cross-talk among the fuel injectors.
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公开(公告)号：US10267281B2
公开(公告)日：2019-04-23
申请号：US15483160
申请日：2017-04-10
Applicant: Caterpillar Inc.
Abstract: A filter for a fuel injection system includes a body that defines a longitudinal axis, a first end face, a second end, an outer surface extending between the first end face and the second end, an inner surface defining an inner chamber closed at the first end face and open at the second end. The body also defines at least one perforated portion formed in the outer surface extending from the outer surface to the inner surface, at least one slot extending axially along the outer surface. The slot is open and is in fluid communication with the first end face and defines an edge along the outer surface. The edge provides fluid communication between the slot and the perforated portion. Additionally, the edge and an inlet channel of the fuel injection system are adapted to define a first filtration zone. The perforated portion defines a second filtration zone.
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公开(公告)号：US09604165B2
公开(公告)日：2017-03-28
申请号：US14801537
申请日：2015-07-16
Applicant: Caterpillar Inc.
Inventor： Siddharth Nair
CPC classification number: B01D35/306 , B01D29/58 , B01D35/005 , B01D35/02 , B01D2201/02 , F02M37/22 , F02M61/165
Abstract: A filter adapter for a fuel injector is disclosed. The filter adapter may have a filter housing. The filter housing may have a first connection end and a second connection end. The filter housing may also have a through bore extending through the filter housing between the first connection end and the second connection end and forming a filter cavity. The filter adapter may also have a first filter positioned in the filter cavity and including a first plurality of openings and a second filter positioned in the filter cavity and including a second plurality of openings. The first connection end may have a first connector configured to mate with a fuel outlet of a first fuel system component. The second connection end may have a second connector configured to mate with a fuel inlet of a second fuel system component.
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