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公开(公告)号：US11434858B2
公开(公告)日：2022-09-06
申请号：US16837304
申请日：2020-04-01
Applicant: Cummins Inc.
Inventor： Richard D. Thomas
Abstract: A stator coil assembly is provided comprising: a stator having a stator core; a cover positioned within the stator core; a top section coupled to the cover to define an interior region, the top section including a pair of protrusions, each protrusion having a bore extending therethrough; a bobbin disposed within the interior region; a plurality of coil windings wrapped around the bobbin; a pair of lead wires, each lead wire extending through a corresponding protrusion bore and connecting to the coil windings within the interior region; and a pair of hermetic seals, each hermetic seal surrounding a corresponding lead wire within a protrusion bore to hermetically seal the interior region.
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公开(公告)号：US11028810B2
公开(公告)日：2021-06-08
申请号：US16462853
申请日：2017-11-22
Applicant: Cummins Inc.
Inventor： Richard D. Thomas , Lester L. Peters , Anthony A. Shaull
Abstract: An injector is provided, comprising an injector body comprising an inlet passage configured to receive fluid, at least one injection outlet configured to deliver fluid, and a central bore, a needle valve disposed for reciprocal movement within the central bore between a closed position and an opened position; and an actuator configured to move the needle valve between the closed position wherein a first portion of a surface of the valve tip engages a first portion of a surface of the injector body to form a first seal that inhibits flow through the at least one injection outlet, and the opened position wherein a second portion of the surface of the valve tip engages a second portion of the surface of the injector body to form a second seal that inhibits flow through the drain outlet.
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Patent Agency Ranking
公开(公告)号：US09897033B2
公开(公告)日：2018-02-20
申请号：US14713489
申请日：2015-05-15
Applicant: Cummins Inc.
Inventor： Lester L. Peters , David L. Buchanan , Bradlee J. Stroia , William David Daniel , Rajesh K. Garg , Richard D. Thomas
CPC classification number: F02D41/38 , F02D2041/389 , F02D2250/31 , F02M51/06 , F02M61/06 , F02M61/1886 , F02M61/1893
Abstract: 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：US20200217286A1
公开(公告)日：2020-07-09
申请号：US16462853
申请日：2017-11-22
Applicant: Cummins Inc.
Inventor： Richard D. Thomas , Lester L. Peters , Anthony A. Shaull
Abstract: An injector is provided, comprising an injector body comprising an inlet passage configured to receive fluid, at least one injection outlet configured to deliver fluid, and a central bore, a needle valve disposed for reciprocal movement within the central bore between a closed position and an opened position; and an actuator configured to move the needle valve between the closed position wherein a first portion of a surface of the valve tip engages a first portion of a surface of the injector body to form a first seal that inhibits flow through the at least one injection outlet, and the opened position wherein a second portion of the surface of the valve tip engages a second portion of the surface of the injector body to form a second seal that inhibits flow through the drain outlet.
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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
Applicant: CUMMINS INC.
Inventor： Lester L. Peters , David L. Buchanan , Bradlee J. Stroia , William David Daniel , Rajesh K. Garg , Richard D. Thomas
CPC classification number: F02D41/38 , F02D2041/389 , F02D2250/31 , F02M51/06 , F02M61/06 , F02M61/1886 , F02M61/1893
Abstract: 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：US20150330344A1
公开(公告)日：2015-11-19
申请号：US14713489
申请日：2015-05-15
Applicant: Cummins Inc.
Inventor： Lester L. Peters , David L. Buchanan , Bradlee J. Stroia , William David Daniel , Rajesh K. Garg , Richard D. Thomas
IPC: F02M51/06
CPC classification number: F02D41/38 , F02D2041/389 , F02D2250/31 , F02M51/06 , F02M61/06 , F02M61/1886 , F02M61/1893
Abstract: 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.
Abstract translation: 本公开提供了一种用于具有燃料喷射器主体的内燃机的燃料喷射器，燃料喷射器主体具有阀室，与阀室流体连通的用于具有第一压力的燃料的第一流动的第一导管和流体连通的第二导管 其中阀室用于具有第二压力的第二燃料流。 燃料喷射器还包括构造成在第一导管和第二导管之间移动的阀构件。 另外，燃料喷射器的致动器构造成在燃料喷射循环期间移动阀构件。 燃料喷射器被配置为以至少三种模式操作。
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公开(公告)号：US20200318591A1
公开(公告)日：2020-10-08
申请号：US16837304
申请日：2020-04-01
Applicant: Cummins Inc.
Inventor： Richard D. Thomas
Abstract: A stator coil assembly is provided comprising: a stator having a stator core; a cover positioned within the stator core; a top section coupled to the cover to define an interior region, the top section including a pair of protrusions, each protrusion having a bore extending therethrough; a bobbin disposed within the interior region; a plurality of coil windings wrapped around the bobbin; a pair of lead wires, each lead wire extending through a corresponding protrusion bore and connecting to the coil windings within the interior region; and a pair of hermetic seals, each hermetic seal surrounding a corresponding lead wire within a protrusion bore to hermetically seal the interior region.
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