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Filter element having dual filtration capacity and filter assembly

A filter element and filter medium technology, applied in the field of filter components and filter elements, can solve problems such as insufficient space utilization, complex flow system, and increased cost

Inactive Publication Date: 2016-08-17
CATERPILLAR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although the dual layer media filter of the '468 patent provides dual filtration, it requires two separate filter cartridges and has an overly complex flow system
This can lead to underutilization of space and increased cost associated with providing two separate filter cartridges

Method used

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  • Filter element having dual filtration capacity and filter assembly
  • Filter element having dual filtration capacity and filter assembly
  • Filter element having dual filtration capacity and filter assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] figure 1 An exemplary embodiment of a filter assembly 10 is shown. Filter assembly 10 may be used to filter fluids, such as fuels, lubricants, coolants, and hydraulic fluids used by machines. According to certain embodiments, filter assembly 10 may be used as a fuel / water separation filter and / or an air filter. Still, other uses are contemplated.

[0017] figure 1 The illustrated example filter assembly 10 includes a filter base 12 configured to couple the filter assembly 10 to a machine, a canister 14 configured to couple to the filter base 12, and a filter element configured to be received within the canister 14 16. The exemplary filter base 12 includes a mounting bracket 18 having at least one aperture 20 (eg, two apertures 20 ) for receiving fasteners that couple the filter base 12 to a machine. And other join structures are expected. The exemplary filter base 12 also includes an extension 22 and a canister coupler 24 configured to couple to the canister 14. T...

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PUM

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Abstract

A filter element (16) may include a tubular member (46) including a partition (54) at least partially defining first and second chambers (56, 58). The partition may be configured to prevent flow communication between the first and second chambers within the tubular member. The tubular member may further include an inlet port (62) configured to provide flow communication into the first chamber, and an outlet port (64) configured to provide flow communication from the second chamber. The tubular member may also include at least one outlet aperture (66) configured to provide flow communication out of the first chamber, and at least one inlet aperture (72) configured to provide flow communication into the second chamber. The filter element may also include a filter medium (48) associated with the at least one outlet and inlet apertures. The filter element may be configured such that fluid passing through the filter element passes through both the first chamber and the second chamber.

Description

technical field [0001] The present invention relates to a filter element having dual filtering capabilities and a filter assembly comprising the filter element, and more particularly to a filter element configured to pass fluid through two filtration processes and a filter element comprising the filter element filter components. Background technique [0002] Filtration systems may be used to filter fluids associated with the operation of machines, such as internal combustion engines. For example, filtration systems can be used to remove particulates from fuels and lubricants. In some cases it may be desirable to subject the fluid to more than one filtration process, for example to remove particles from fluids with different characteristics (eg size). As a result, some filtration systems include more than one filter assembly, where each filter assembly is configured to remove different types of particles from the fluid. [0003] However, as machines become more complex, ef...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D27/08B01D27/02B01D27/04
CPCB01D27/02B01D27/04B01D27/08B01D2201/18B01D2201/295B01D2201/303B01D36/001B01D29/11B01D29/56B01D29/90B01D2201/0415B01D2201/40B01D29/58
Inventor B·A·莫里斯J·R·里斯
Owner CATERPILLAR INC