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Virtual filter condition sensor

A technology of filters and sensors, which is applied in the field of systems for monitoring such fluid filters, and can solve problems such as increasing the cost of sensors

Active Publication Date: 2015-09-23
CUMMINS FILTRATION IP INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some cases, maintenance intervals can be based on the pressure drop across the filter, but this is generally not done due to the added cost of the additional sensor
[0007] Depending on the application, the filter may reach the ultimate pressure drop sooner or later than the specified maintenance interval

Method used

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Examples

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Embodiment Construction

[0017] In this specification, certain words have been used for the purposes of brevity, clarity and understanding. No unnecessary limitations beyond what is required in the prior art should be inferred therefrom, as these terms are used for descriptive purposes only and are intended to be interpreted broadly. The various devices, methods and systems described herein can be used alone or in combination with other devices, methods and systems. Many equivalents, alternatives, and variations are possible.

[0018] figure 1 As schematically shown in , a virtual filter condition sensor assesses the condition of an engine fuel and / or lube oil filter. Among other possible things, the virtual filter condition sensor obtains engine run time, engine torque, and engine speed data. Engine speed can be measured directly using on-board sensors. In modern diesel engines, engine torque is usually continuously calculated by the ECM from measured inputs such as engine speed, intake manifold ...

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Abstract

A system and method for determining a condition of a filter filtering fuel associated with an engine. Input information relating to the operation of the engine is provided by a plurality of sensors. At least some of the input information is used to determine a plurality of input variables, the plurality of input variables representing a plurality of engine operating conditions including engine run time, engine torque and engine speed. An algorithm incorporating the input variables is used to determine the condition of the filter. Information concerning the condition of the filter may be output to a user such as an operator or service provider.

Description

[0001] Cross-reference to related applications [0002] This application claims priority to US Provisional Patent Application Serial No. 61 / 756,172, filed January 24, 2013, the contents of which are hereby incorporated by reference. technical field [0003] The present disclosure generally relates to fluid filters for use with various types of engine systems. More specifically, the present disclosure relates to systems and methods for monitoring such fluid filters. Background technique [0004] U.S. Patent No. 7,922,914, which is hereby incorporated by reference in its entirety, discloses methods for measuring the pressure drop across a filter in a flow path, and then using the measured pressure drop to assess the Methods and systems for filtering properties of a fluid working assembly. These characteristics may include the operating condition of the filter, the remaining useful life of the filter, the relative concentration of contaminants in the fluid, and / or the remaini...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D35/143B01D35/14
CPCB01D35/143F01M11/10G01N15/08G01N2015/084
Inventor B·M·维尔德根P·K·赫尔曼C·D·罗宾逊A·莱斯曼C·J·努尼
Owner CUMMINS FILTRATION IP INC
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