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公开(公告)号：US20160091381A1
公开(公告)日：2016-03-31
申请号：US14662353
申请日：2015-03-19
Applicant: United Technologies Corporation
Inventor： Michael E. Mehrer , Kenneth W. Winston
CPC classification number: G01L13/00 , F02C7/22 , F02C7/232 , F02C7/236 , F02C9/26 , F02C9/46 , F02D2041/223 , F02D2041/224 , F02D2041/225 , F05D2270/09 , G01M15/14
Abstract: The present disclosure relates generally to a method for determining a failure of a flow divider within a fuel system, the method being performed by a controller and comprising the steps of: delivering a fuel command, calculating an expected fill time, wherein the expected fill time is indicative of the time required to fill a known fuel manifold volume, determining whether the actual fill time is greater than or equal to an expected fill time; and determining whether an actual fuel pressure value is less than or equal to an expect fuel pressure value based at least in part on at least one environmental signal.
Abstract translation: 本公开一般涉及一种用于确定燃料系统内的分流器的故障的方法，该方法由控制器执行，并且包括以下步骤：输送燃料命令，计算预期的填充时间，其中预期的填充时间 指示填充已知燃料歧管体积所需的时间，确定实际填充时间是否大于或等于预期填充时间; 以及至少部分地基于至少一个环境信号来确定实际燃料压力值是否小于或等于预期燃料压力值。
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公开(公告)号：US10451509B2
公开(公告)日：2019-10-22
申请号：US14662353
申请日：2015-03-19
Applicant: UNITED TECHNOLOGIES CORPORATION
Inventor： Michael E. Mehrer , Kenneth W. Winston
Abstract: The present disclosure relates generally to a method for determining a failure of a flow divider within a fuel system, the method being performed by a controller and comprising the steps of: delivering a fuel command, calculating an expected fill time, wherein the expected fill time is indicative of the time required to fill a known fuel manifold volume, determining whether the actual fill time is greater than or equal to an expected fill time; and determining whether an actual fuel pressure value is less than or equal to an expect fuel pressure value based at least in part on at least one environmental signal.
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公开(公告)号：US10287028B2
公开(公告)日：2019-05-14
申请号：US15110842
申请日：2015-01-09
Applicant: United Technologies Corporation
Inventor： David Lloyd Ripley , Michael E. Mehrer
Abstract: The present disclosure relates generally to system and method for detecting fuel shutoff valve failures in a system including multiple fuel shutoff valves connected in series. By commanding different fuel shutoff valves to close and detecting changes in the system operating conditions, the system and method may determine if any of the fuel shutoff valves are not working properly.
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公开(公告)号：US20160325843A1
公开(公告)日：2016-11-10
申请号：US15110842
申请日：2015-01-09
Applicant: UNITED TECHNOLOGIES CORPORATION
Inventor： David Lloyd Ripley , Michael E. Mehrer
CPC classification number: B64D37/32 , B64D27/10 , B64D41/00 , F01D21/003 , F02C7/232 , F02C9/28 , F02D41/221 , F02D2200/0602 , F02D2200/101 , F05D2220/50 , F05D2260/80 , F05D2260/83 , F05D2270/021 , F05D2270/3013 , Y02T10/40
Abstract: The present disclosure relates generally to system and method for detecting fuel shutoff valve failures in a system including multiple fuel shutoff valves connected in series. By commanding different fuel shutoff valves to close and detecting changes in the system operating conditions, the system and method may determine if any of the fuel shutoff valves are not working properly.
Abstract translation: 本公开总体上涉及用于检测包括串联连接的多个燃料截止阀的系统中的燃料截止阀故障的系统和方法。 通过指示不同的燃油截止阀来关闭和检测系统运行状况的变化，系统和方法可以确定燃油截止阀中是否有不正常工作。
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