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公开(公告)号：US09897033B2
公开(公告)日：2018-02-20
申请号：US14713489
申请日：2015-05-15
申请人： Cummins Inc.
发明人： Lester L. Peters , David L. Buchanan , Bradlee J. Stroia , William David Daniel , Rajesh K. Garg , Richard D. Thomas
CPC分类号： F02D41/38 , F02D2041/389 , F02D2250/31 , F02M51/06 , F02M61/06 , F02M61/1886 , F02M61/1893
摘要： The present disclosure provides a fuel injector for an internal combustion engine with a fuel injector body having a valve chamber, a first conduit in fluid communication with the valve chamber for a first flow of fuel having a first pressure, and a second conduit in fluid communication with the valve chamber for a second flow of fuel having a second pressure. The fuel injector further includes a valve member configured to move between the first conduit and the second conduit. Additionally, an actuator of the fuel injector is configured to move the valve member during a fuel injection cycle. The fuel injector is configured to operate in at least three modes.
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公开(公告)号：US20190293039A1
公开(公告)日：2019-09-26
申请号：US16301497
申请日：2016-05-16
申请人： CUMMINS INC.
摘要： A fluid injector assembly extending along a longitudinal axis comprising a housing, and an injector positioned within the housing, the injector comprising a injector body having an interior cavity, a plunger positioned within the interior cavity and comprising a plunger body, a fluid delivery passage along at least a portion of the plunger body, and a plunger tip positioned at a downstream end of the plunger body, the fluid delivery passage comprising a longitudinal passage and at least one internal swirl passage, and the internal swirl passage being angled relative to the longitudinal axis and extending from the longitudinal passage to an opening upstream of the plunger tip, and a nozzle positioned at a downstream end of the injector body and including at least one nozzle passage, fluid being delivered from an upstream end of the injector to the at least one nozzle passage through the fluid delivery passage.
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公开(公告)号：US09920674B2
公开(公告)日：2018-03-20
申请号：US14592490
申请日：2015-01-08
申请人： Cummins Inc.
CPC分类号： F02M61/045 , B01D53/90 , F01N3/2066 , F01N2610/1453 , F02B23/0669 , F02M61/1813 , F02M61/184 , Y02T10/125 , Y02T10/24
摘要： An injector, comprising, an injector body comprising, an inner wall that defines an injector cavity for fluid, at least one inlet channel into the injector cavity, and at least one outlet channel from the injector cavity, a plunger that defines at least one passageway between the injector cavity and the at least one outlet channel, the plunger being movable longitudinally in the injector cavity between at least: a first open arrangement in which the at least one passageway is positioned to direct fluid into the at least one outlet channel at a first position, and a second open arrangement in which the at least one passageway is positioned to direct fluid into the at least one outlet channel at a second position different from the first position.
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公开(公告)号：US20170298887A1
公开(公告)日：2017-10-19
申请号：US15097818
申请日：2016-04-13
申请人： Cummins Inc.
发明人： Lester L. Peters , Bradlee J. Stroia , Anthony Shaull , Rodney J. Hemmerlein , Richard Davis Thomas
摘要： Fueling systems and methods are disclosed. Various fueling systems may comprise a single fuel pump configured to supply fuel to a first fuel rail at a first fuel pressure along a first fuel circuit and configured to supply fuel to a second fuel rail at a second fuel pressure along a second fuel circuit, wherein the first fuel rail and second fuel rail are arranged in parallel, and the first fuel circuit is independent of the second fuel circuit.
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公开(公告)号：US10920727B2
公开(公告)日：2021-02-16
申请号：US16301497
申请日：2016-05-16
申请人： CUMMINS INC.
摘要： A fluid injector assembly extending along a longitudinal axis comprising a housing, and an injector positioned within the housing, the injector comprising a injector body having an interior cavity, a plunger positioned within the interior cavity and comprising a plunger body, a fluid delivery passage along at least a portion of the plunger body, and a plunger tip positioned at a downstream end of the plunger body, the fluid delivery passage comprising a longitudinal passage and at least one internal swirl passage, and the internal swirl passage being angled relative to the longitudinal axis and extending from the longitudinal passage to an opening upstream of the plunger tip, and a nozzle positioned at a downstream end of the injector body and including at least one nozzle passage, fluid being delivered from an upstream end of the injector to the at least one nozzle passage through the fluid delivery passage.
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公开(公告)号：US20180163594A1
公开(公告)日：2018-06-14
申请号：US15890786
申请日：2018-02-07
申请人： CUMMINS INC.
CPC分类号： F02M61/045 , B01D53/90 , F01N3/2066 , F01N2610/1453 , F02B23/0669 , F02M61/1813 , F02M61/184 , Y02T10/125 , Y02T10/24
摘要： An injector, comprising, an injector body comprising, an inner wall that defines an injector cavity for fluid, at least one inlet channel into the injector cavity, and at least one outlet channel from the injector cavity, a plunger that defines at least one passageway between the injector cavity and the at least one outlet channel, the plunger being movable longitudinally in the injector cavity between at least: a first open arrangement in which the at least one passageway is positioned to direct fluid into the at least one outlet channel at a first position, and a second open arrangement in which the at least one passageway is positioned to direct fluid into the at least one outlet channel at a second position different from the first position.
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公开(公告)号：US20150330343A1
公开(公告)日：2015-11-19
申请号：US14712345
申请日：2015-05-14
申请人： Cummins Inc.
CPC分类号： F02M51/0603 , F02M61/08 , F02M61/167 , F02M61/20
摘要： The present disclosure provides a fuel injector including a magnetostrictive actuator that is capable of precise control of a needle or nozzle valve element. The magnetostrictive actuator is direct-acting on the nozzle valve element, which extends into the magnetostrictive actuator, providing a compact fuel injector configuration that may provide rate-shaping of a fuel injection event.
摘要翻译： 本公开提供了一种燃料喷射器，其包括能够精确控制针头或喷嘴阀元件的磁致伸缩致动器。 磁致伸缩致动器直接作用在喷嘴阀元件上，其延伸到磁致伸缩致动器中，提供可提供燃料喷射事件的速率成形的紧凑的燃料喷射器配置。
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公开(公告)号：US10415524B2
公开(公告)日：2019-09-17
申请号：US15890786
申请日：2018-02-07
申请人： CUMMINS INC.
摘要： An injector, comprising, an injector body comprising, an inner wall that defines an injector cavity for fluid, at least one inlet channel into the injector cavity, and at least one outlet channel from the injector cavity, a plunger that defines at least one passageway between the injector cavity and the at least one outlet channel, the plunger being movable longitudinally in the injector cavity between at least: a first open arrangement in which the at least one passageway is positioned to direct fluid into the at least one outlet channel at a first position, and a second open arrangement in which the at least one passageway is positioned to direct fluid into the at least one outlet channel at a second position different from the first position.
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公开(公告)号：US20180080405A1
公开(公告)日：2018-03-22
申请号：US15825261
申请日：2017-11-29
申请人： CUMMINS INC.
发明人： Lester L. Peters , David L. Buchanan , Bradlee J. Stroia , William David Daniel , Rajesh K. Garg , Richard D. Thomas
CPC分类号： F02D41/38 , F02D2041/389 , F02D2250/31 , F02M51/06 , F02M61/06 , F02M61/1886 , F02M61/1893
摘要： The present disclosure provides a fuel injector for an internal combustion engine with a fuel injector body having a valve chamber, a first conduit in fluid communication with the valve chamber for a first flow of fuel having a first pressure, and a second conduit in fluid communication with the valve chamber for a second flow of fuel having a second pressure. The fuel injector further includes a valve member configured to move between the first conduit and the second conduit. Additionally, an actuator of the fuel injector is configured to move the valve member during a fuel injection cycle. The fuel injector is configured to operate in at least three modes.
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公开(公告)号：US09903326B2
公开(公告)日：2018-02-27
申请号：US14712345
申请日：2015-05-14
申请人： Cummins Inc.
CPC分类号： F02M51/0603 , F02M61/08 , F02M61/167 , F02M61/20
摘要： The present disclosure provides a fuel injector including a magnetostrictive actuator that is capable of precise control of a needle or nozzle valve element. The magnetostrictive actuator is direct-acting on the nozzle valve element, which extends into the magnetostrictive actuator, providing a compact fuel injector configuration that may provide rate-shaping of a fuel injection event.
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