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公开(公告)号：US20160195093A1
公开(公告)日：2016-07-07
申请号：US15067191
申请日：2016-03-11
Applicant: Caterpillar Inc.
Inventor： Richard A. Carpenter , Peter Dubenco , Stephen J. Morey
Abstract: A flow monitoring device is coupled to a case drain of a hydraulic pump. The flow monitoring device includes a manifold to receive a fluid flow from the case drain. The manifold has an inlet, a throat and an outlet. The manifold includes a pressure sensor to measure a differential pressure of fluid between the inlet and the throat. The manifold further includes a temperature sensor to measure a temperature of fluid flowing through the manifold. A bypass passage is fluidly coupled between the inlet and the outlet of the manifold. A bypass valve located in the bypass passage regulates an amount of fluid flowing from the inlet to the outlet of the manifold through the bypass passage.
Abstract translation: 流量监测装置联接到液压泵的壳体排水口。 流量监测装置包括用于从壳体排出口接收流体流的歧管。 歧管有一个入口，一个喉管和一个出口。 歧管包括用于测量入口和喉部之间的流体压差的压力传感器。 歧管还包括用于测量流过歧管的流体的温度的温度传感器。 旁通通道流体地联接在歧管的入口和出口之间。 位于旁路通道中的旁通阀调节从歧管的入口到出口流过旁通通道的流体的量。
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Patent Agency Ranking
公开(公告)号：US10208773B2
公开(公告)日：2019-02-19
申请号：US15244471
申请日：2016-08-23
Applicant: Caterpillar Inc.
Inventor： Richard A. Carpenter , Solimar Reyes-Rodriguez
Abstract: A system may comprise a first sensor; a second sensor; and an electronic control module. The electronic control module may be configured to determine a flow of the fluid based on information regarding the pressure from the first sensor and information regarding the temperature from the second sensor; determine a portion of the flow of the fluid that is directed to a particle counter of the machine; receive, from the particle counter, information identifying a quantity of particles in the portion of the flow of the fluid; determine a quality of the fluid based on the quantity of particles; determine whether the flow of the fluid exceeds a flow threshold or whether the quality of the fluid is less than a quality threshold; and take a remedial action when the flow of the fluid exceeds the flow threshold or the quality of the fluid is less than the quality threshold.
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公开(公告)号：US11828696B2
公开(公告)日：2023-11-28
申请号：US17124082
申请日：2020-12-16
Applicant: Caterpillar Inc.
Inventor： Daniel G Wear , Tom K. Shim , Richard A. Carpenter , Kyle B. Walton
CPC classification number: G01N15/1434 , G01N33/2841 , G01N2015/1486 , G07C5/008 , G07C5/0808 , G07C5/0825 , G07C5/0833
Abstract: Data relating to an amount of contaminant in a fluid is obtained from a contaminant detection device. Aeration detection raw voltage data output and particle detection raw voltage data output from the contaminate detection device are received at an external data processing system separate and independent from the contaminate detection device. The aeration detection raw voltage data output and particle detection raw voltage data output are analyzed and cleaned to determine real time information on the amount of air bubbles and solid contaminate particles in the fluid, and then supplied to an onboard monitoring and controlling module of a machine for controlling one or more operations onboard the machine based on the determined amount of solid contaminate particles.
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公开(公告)号：US20230019722A1
公开(公告)日：2023-01-19
申请号：US17376982
申请日：2021-07-15
Applicant: Caterpillar Inc.
Inventor： Edward William Mate , William N. O'Neill , Jeremy T. Peterson , Richard A. Carpenter
Abstract: A secondary steering pump system may include a secondary steering pump, a bypass valve having a first bypass position configured for placing the secondary steering pump in fluid communication with a hydraulic tank and a second use/testing position configured for placing the secondary steering pump in fluid communication with a steering control circuit. The system may also include a solenoid valve configured for actuation by a solenoid and for selectively actuating the bypass valve from the first position to the second position. The system may also include a pressure sensor configured for sensing pressure in the system.
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公开(公告)号：US20210134075A1
公开(公告)日：2021-05-06
申请号：US16672182
申请日：2019-11-01
Applicant: Caterpillar Inc.
Inventor： Richard A. Carpenter , Kyle B. Walton , John J. Krone , Venkata Dandibhotla , Yanchai Zhang
IPC: G07C5/00 , G07C5/08 , B01D35/00 , B01D35/143 , B01D37/04
Abstract: A computer implemented preventative maintenance schedule can includes a plurality of predetermined maintenance intervals. A replaceable maintenance item may be initially assigned to an initially assigned maintenance interval. A performance data associated with the replaceable maintenance item may be measured and an estimated end of useful life may be determined based on the performance data. The estimated end of useful life is compared to the assigned maintenance interval and, if warranted, the assigned maintenance schedule is modified.
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公开(公告)号：US20180058482A1
公开(公告)日：2018-03-01
申请号：US15244471
申请日：2016-08-23
Applicant: Caterpillar Inc.
Inventor： Richard A. Carpenter , Solimar Reyes-Rodriguez
CPC classification number: F15B20/00 , E02F9/226 , E02F9/26 , E02F9/268 , F04B49/065 , F04B51/00 , F04B2205/05 , F04B2205/09 , F04B2205/11 , F04B2205/15 , F04B2205/501
Abstract: A system may comprise a first sensor; a second sensor; and an electronic control module. The electronic control module may be configured to determine a flow of the fluid based on information regarding the pressure from the first sensor and information regarding the temperature from the second sensor; determine a portion of the flow of the fluid that is directed to a particle counter of the machine; receive, from the particle counter, information identifying a quantity of particles in the portion of the flow of the fluid; determine a quality of the fluid based on the quantity of particles; determine whether the flow of the fluid exceeds a flow threshold or whether the quality of the fluid is less than a quality threshold; and take a remedial action when the flow of the fluid exceeds the flow threshold or the quality of the fluid is less than the quality threshold.
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