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公开(公告)号：US10036314B2
公开(公告)日：2018-07-31
申请号：US14992287
申请日：2016-01-11
Applicant: Caterpillar Inc.
Inventor： David E. Hackett , Martin Lehman , Scott F. Shafer
CPC classification number: F02B77/04 , F01N3/206 , F01N2610/14 , F01N2610/1406 , F01N2610/144 , F01N2610/1473 , F01N2610/1493 , F02B3/06 , F02B2077/045 , F02D41/22 , F02D41/3082 , F02D41/3854 , F02D41/3863 , F02D2041/3881 , F02M37/0052 , F02M37/007 , F02M37/22 , F02M39/005 , F02M39/02 , F02M51/00 , F02M51/04 , F02M63/0225 , F02M65/008
Abstract: A fluid injection system includes a fluid injector assembly, a fluid conditioning module having an outlet port that is fluidly coupled to an inlet port of the fluid injector assembly via an injector assembly inlet conduit. The fluid injection system further includes a flush conduit fluidly coupled to the outlet port of the fluid conditioning module, a flush valve disposed in the flush conduit and configured to control a flowrate of fluid therethrough, and a controller operatively coupled to the fluid conditioning module and the flush valve, the controller being configured to adjust a flowrate of a fluid through the injector assembly inlet conduit by controlling a flowrate of fluid through the flush conduit.
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公开(公告)号：US20180106249A1
公开(公告)日：2018-04-19
申请号：US15296215
申请日：2016-10-18
Applicant: Caterpillar Inc.
Inventor： Martin A. Lehman , Scott F. Shafer , Daniel R. Puckett
CPC classification number: F04B49/20 , F02M37/0052 , F02M37/04 , F02M37/22 , F04B23/02 , F04B23/04 , F04B49/065 , F04B49/22
Abstract: A control system for a fuel supply module of an engine is provided. The control system includes a first fuel flow sensor in a fuel supply line which detects a first amount of fuel flowing through the fuel supply line and generates a first signal indicative of the first amount of fuel. The control system includes a second fuel flow sensor in the fuel return line which detects a second amount of fuel flowing through the fuel return line and generates a second signal indicative of the second amount of fuel. A controller receives the first signal and the second signal. The controller calculates a difference between the first signal and the second signal. The controller commands operation of the fuel supply module to supply a fuel flow to the engine independent of the engine speed, based on the difference between the first signal and the second signal.
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3.发明申请Fluid Conditioning System with Recirculation Loop and Method for Operating Same 有权具有循环回路的流体调节系统及其操作方法相同公开(公告)号：US20170058728A1
公开(公告)日：2017-03-02
申请号：US14834833
申请日：2015-08-25
Applicant: Caterpillar Inc.
Inventor： Martin Lehman , Scott F. Shafer
CPC classification number: F01M1/12 , F01M1/02 , F01M1/10 , F01M1/16 , F01M2001/1092 , F01M2001/123 , F16N39/00
Abstract: A fluid conditioning system includes a recirculation pump fluidly coupled to a reservoir via a first conduit; a delivery pump fluidly coupled in series with the recirculation pump, such that an outlet of the recirculation pump is fluidly coupled to an inlet of the delivery pump via a second conduit; and a recirculation loop including a recirculation filter, an inlet of the recirculation filter being fluidly coupled to the second conduit, and an outlet of the recirculation filter being fluidly coupled to the first conduit. The recirculation pump is configured to operate at a flow rate that is higher than a flow rate of the delivery pump.
Abstract translation: 流体调节系统包括经由第一管道流体地联接到储存器的再循环泵; 与再循环泵流体耦合的输送泵，使得再循环泵的出口经由第二导管流体耦合到输送泵的入口; 以及再循环回路，其包括再循环过滤器，所述再循环过滤器的入口流体地联接到所述第二管道，并且所述再循环过滤器的出口流体地联接到所述第一管道。 再循环泵被配置为以高于输送泵的流量的流速操作。
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公开(公告)号：US10519877B2
公开(公告)日：2019-12-31
申请号：US15355270
申请日：2016-11-18
Applicant: Caterpillar Inc.
Inventor： Alan R. Stockner , Thomas J. Crowell , Scott F. Shafer
IPC: F02D19/06 , F02D33/00 , F02D41/00 , F02B43/10 , F02D41/14 , F02D41/22 , F02D29/02 , F02D35/02 , F02D19/10
Abstract: A control system for a dual fuel engine having a liquid fuel supply and a gaseous fuel supply is disclosed. The control system may include at least one sensor operably coupled to a cylinder of the dual fuel engine and configured to monitor cylinder condition and transmit a cylinder condition signal. Additionally, a controller may be communicably coupled with the at least one sensor and the controller may be configured to receive the cylinder condition signal and determine whether the cylinder is operating in an abnormal operating condition. Whereas the controller determines the cylinder is operating in the abnormal operating condition, the controller sends a control signal for the liquid fuel supply to provide an amount of liquid fuel which is greater than an amount of liquid fuel supplied to the cylinder during a normal operating condition.
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公开(公告)号：US10036401B2
公开(公告)日：2018-07-31
申请号：US14689280
申请日：2015-04-17
Applicant: Caterpillar Inc.
Inventor： David E. Hackett , Scott F. Shafer
IPC: F04D29/42
CPC classification number: F04D29/4273 , F04D29/4293
Abstract: A pump includes a housing having an internal surface defining a volute configured to receive a pump impeller therein, an extension tube fluidly coupled to the volute, a wall of the extension tube having an internal surface disposed opposite an external surface, and a bonnet having an internal surface defining a first inlet aperture and a second inlet aperture therethrough, the first inlet aperture and the second inlet aperture being in fluid communication with the volute via the extension tube. The internal surface of the bonnet and the external surface of the extension tube define a bonnet flow path therebetween, the first inlet aperture of the bonnet being in fluid communication with the volute via the bonnet flow path.
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Patent Agency Ranking
公开(公告)号：US20180142629A1
公开(公告)日：2018-05-24
申请号：US15355270
申请日：2016-11-18
Applicant: Caterpillar Inc.
Inventor： Alan R. Stockner , Thomas J. Crowell , Scott F. Shafer
Abstract: A control system for a dual fuel engine having a liquid fuel supply and a gaseous fuel supply is disclosed. The control system may include at least one sensor operably coupled to a cylinder of the dual fuel engine and configured to monitor cylinder condition and transmit a cylinder condition signal. Additionally, a controller may be communicably coupled with the at least one sensor and the controller may be configured to receive the cylinder condition signal and determine whether the cylinder is operating in an abnormal operating condition. Whereas the controller determines the cylinder is operating in the abnormal operating condition, the controller sends a control signal for the liquid fuel supply to provide an amount of liquid fuel which is greater than an amount of liquid fuel supplied to the cylinder during a normal operating condition.
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公开(公告)号：US20170184110A1
公开(公告)日：2017-06-29
申请号：US14980318
申请日：2015-12-28
Applicant: Caterpillar Inc.
Inventor： Andrew O. Marrack , Scott F. Shafer , Martin A. Lehman , Kenneth C. Adams
IPC: F04D15/00 , F04D13/06 , F04D13/14 , F04D29/42 , F04C11/00 , F04B23/14 , F04D7/02 , F04D29/70 , F04D1/00 , F04D29/22
CPC classification number: F02M63/0225 , F02M37/0052 , F02M37/18 , F02M37/22 , F04B23/10 , F04B23/14 , F04C11/005 , F04C14/24 , F04D13/12 , F04D13/14 , F04D15/0072
Abstract: A fluid conditioning module having a fluid inlet and a fluid outlet is provided. The fluid conditioning module includes a first pump element, a second pump element, a pressure regulator, a controller, and a prime mover to impart rotational motion in the first and second pump elements. A first pump inlet is in fluid communication with the fluid inlet. A filter inlet is in fluid communication with a first pump outlet and a second pump outlet, and a filter outlet is in fluid communication with the fluid outlet. A pressure regulator inlet and a pressure regulator outlet are in fluid communication with the filter outlet and a recirculation conduit, respectively. The control valve has a first position and a second position, which allows fluid flow through the recirculation conduit. The controller adjusts operation of one or more of the prime mover and the control valve based upon a predetermined parameter.
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公开(公告)号：US20170016416A1
公开(公告)日：2017-01-19
申请号：US14802162
申请日：2015-07-17
Applicant: Caterpillar Inc.
Inventor： Scott F. Shafer , Martin Lehman , Lifeng Wang , David E. Hackett , Taylor Tang , Andrew Marrack , Dennis H. Gibson
CPC classification number: F02M37/08 , F02D41/3082 , F02D41/3845 , F02D2041/3881 , F02D2200/0602 , F02M37/0047 , F02M37/0052 , F02M63/0225 , F02M63/0265 , F02M2037/087 , F02M2200/247
Abstract: A fluid injection system includes a fluid injector assembly; a fluid conditioning module having an outlet port that is fluidly coupled to an inlet port of the fluid injector assembly; an injector assembly outlet conduit fluidly coupled to an outlet port of the fluid injector assembly and disposed downstream of the fluid injector assembly, the injector assembly outlet conduit defining a pressure measurement port and a flow-restricting orifice, the pressure measurement port being disposed upstream of the flow-restricting orifice along the direction of fluid flow through the fluid injector assembly; a pressure sensor fluidly coupled to the pressure measurement port; and a controller operatively coupled to the fluid conditioning module and the pressure sensor. The controller is configured to adjust a flowrate of a fluid through the injector assembly inlet conduit based on a pressure signal from the pressure sensor.
Abstract translation: 流体注射系统包括流体注射器组件; 流体调节模块，其具有流体耦合到流体喷射器组件的入口的出口; 喷射器组件出口导管，其流体地联接到流体喷射器组件的出口并且设置在流体喷射器组件的下游，喷射器组件出口导管限定压力测量端口和限流孔口，压力测量端口设置在 所述流动限制孔口沿着流体流过所述流体喷射器组件的方向流动; 压力传感器，其流体地联接到所述压力测量端口; 以及可操作地耦合到流体调节模块和压力传感器的控制器。 控制器被配置成基于来自压力传感器的压力信号来调节通过喷射器组件入口导管的流体的流量。
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公开(公告)号：US20160305444A1
公开(公告)日：2016-10-20
申请号：US14689280
申请日：2015-04-17
Applicant: Caterpillar Inc.
Inventor： David E. Hackett , Scott F. Shafer
CPC classification number: F04D29/4273 , F04D29/4293
Abstract: A pump includes a housing having an internal surface defining a volute configured to receive a pump impeller therein, an extension tube fluidly coupled to the volute, a wall of the extension tube having an internal surface disposed opposite an external surface, and a bonnet having an internal surface defining a first inlet aperture and a second inlet aperture therethrough, the first inlet aperture and the second inlet aperture being in fluid communication with the volute via the extension tube. The internal surface of the bonnet and the external surface of the extension tube define a bonnet flow path therebetween, the first inlet aperture of the bonnet being in fluid communication with the volute via the bonnet flow path.
Abstract translation: 泵包括壳体，所述壳体具有限定蜗壳的内表面，所述蜗壳构造成在其中容纳泵叶轮，流体地联接到蜗壳的延伸管，具有与外表面相对设置的内表面的延伸管的壁和具有 内表面限定第一入口孔和穿过其中的第二入口孔，第一入口孔和第二入口孔经由延伸管与蜗壳流体连通。 发动机罩的内表面和延伸管的外表面在其间限定发动机罩的流动路径，发动机罩的第一入口孔经由阀帽流动路径与蜗壳流体连通。
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公开(公告)号：US20160195053A1
公开(公告)日：2016-07-07
申请号：US14589154
申请日：2015-01-05
Applicant: Caterpillar Inc.
Inventor： Scott F. Shafer , David E. Hackett , Steven Y. Tian , Martin Lehman
CPC classification number: F02M63/0265 , B01D35/26 , B01D35/301 , F02B3/06 , F02M37/0052 , F02M37/007 , F02M37/08 , F02M37/18 , F02M37/22 , F02M63/0225
Abstract: A fluid conditioning system includes a first filter mount having a first filter inlet port and a first filter outlet port, a first motor, a first pump operatively coupled to the first motor, a second filter mount having a second filter inlet port, a second pump, and a controller operatively coupled to the first motor. The controller is configured to operate the first pump at a flowrate that is higher than a flowrate of the second pump. An outlet of the first pump is fluidly coupled to the first filter inlet port via a first filter inlet conduit, and an inlet of the first pump is fluidly coupled the first filter outlet port via a first filter outlet conduit. An inlet of the second pump is fluidly coupled to the first filter outlet port via the first filter outlet conduit.
Abstract translation: 流体调节系统包括具有第一过滤器入口端口和第一过滤器出口端口的第一过滤器支架，第一电动机，可操作地联接到第一电动机的第一泵，具有第二过滤器入口端口的第二过滤器支架，第二泵 以及可操作地耦合到第一电动机的控制器。 控制器被配置为以比第二泵的流量高的流量操作第一泵。 第一泵的出口通过第一过滤器入口导管流体耦合到第一过滤器入口端口，并且第一泵的入口经由第一过滤器出口管道流体地联接第一过滤器出口端口。 第二泵的入口经由第一过滤器出口导管流体耦合到第一过滤器出口。
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