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Filter assembly

A filter assembly and filter technology, applied in membrane filters, dispersed particle filtration, chemical instruments and methods, etc., can solve problems such as damage and achieve the effect of reducing the possibility

Active Publication Date: 2010-07-07
PARKER HANNIFIN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is very dangerous as the head and / or body part can exit the filter assembly at high velocity which could cause injury to instruments or users close to the housing

Method used

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Examples

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Embodiment Construction

[0056] With reference to the accompanying drawings, figure 1 A filter assembly 2 is shown comprising a housing 4 having a head 6 and a body portion 8 , a filter element 10 and a flow controller 12 . The head 6 and body part 8 have engaging formations in the form of cooperating threads 24, 26 which allow the head 6 and body part 8 to be interconnected and detached by relative rotation about the A-axis. The head 6 has a head axis and the body part 8 has a body axis, each of these axes being coaxial with the A-axis.

[0057] In the depicted embodiment, filter element 10 includes a cylindrical wall portion 14 formed of filter media, and top end caps 16 and bottom end caps 18 . as Figures 2 to 4 As best shown, the wall portion 14 of the filter element 10 defines a cavity 20 within it.

[0058] The top end cap 16 and the bottom end cap 18 are formed from a polymer material. It will be appreciated that suitable polymeric materials include polyolefins (particularly polyethylene a...

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Abstract

A filter assembly for removing material entrained in a fluid stream, comprises a housing for a filter element, having a head part and a body part for receiving a filter element, and inlet and outlet ports for the fluid that is to be filtered. The head part and the body part each have engagement formations which enable the head and body parts to be connected to one another and separated by relative rotation about an axis which is coaxial with a head axis and a body axis. Head and body part keying formations can be provided in the form of at least one recess which is provided in a rib on one ofthe head and body parts, and at least one projection which is provided on the other of the head and body parts. The keying formations require alignment of the head and body axes for initial assembly of the head and body parts when the projection is can be received in the recess in the rib so as to restrict relative rotation of the head and body parts, and so that the head and body parts can then to be moved to an assembly position in which the projection has passed through the rib so that the head and body parts can be rotated relative to each other to allow the engagement formations to become engaged to one another.

Description

technical field [0001] The present invention relates to filter assemblies for removing material entrained in a fluid flow. Background technique [0002] Filtration of fluids, such as gases in compressed gas systems, is generally required so that the fluid is sufficiently free of contaminants (liquid, solid or gaseous) for subsequent applications or to minimize adverse effects of contaminants on system components. For example, removal of compressor oil from compressed gas may be employed to minimize chemical contamination and buildup at valve ports that could lead to valve port failure. It is known to treat fluid streams to remove contaminants (liquid, solid or gaseous) by filtering the fluid stream, using filter elements and coalescing filters. It is also known to use flow directors to process the fluid flow by causing the fluid to enter the filter assembly in a spiral flow such that centrifugal force separates clumps of liquid or solids, such as water, from the fluid flow....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/24B01D46/00
CPCB01D46/009B01D46/2411B01D2265/026
Inventor T·S·比特尔B·莱恩
Owner PARKER HANNIFIN CORP
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