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Liquid filter arrangement and methods

A technology of filters and filter components, applied in the direction of membrane filters, cartridge filters, chemical instruments and methods, etc., can solve problems such as difficult filters, installation, etc.

Active Publication Date: 2019-03-15
DONALDSON CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can lead to difficulties related to cross-threading or not fitting the filter properly onto the filter head

Method used

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  • Liquid filter arrangement and methods
  • Liquid filter arrangement and methods
  • Liquid filter arrangement and methods

Examples

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Embodiment Construction

[0097] Figure 1 to Figure 4 shows filter cartridges and filter assemblies that ameliorate the problems of the prior art.

[0098] exist figure 1 and figure 2 A filter assembly constructed in accordance with the principles of the present disclosure is shown at 20 in an exploded perspective view. The filter assembly 20 includes a filter head 22 . The filter head 22 is to be mounted or connected to a system, such as a device having a lubrication system or a fuel system for an internal combustion engine, or a hydraulic system for heavy equipment. The filter head 22 will be in fluid communication with the components of the apparatus such that liquid to be filtered will flow into the filter head 22 to be filtered by the filter assembly 20 and then exit the filter head 22 in a filtered state to be filtered. The device used.

[0099] The filter assembly 20 further includes a filter cartridge 24 . The filter cartridge 24 is a spin-on cartridge filter 26 in this embodiment. The...

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Abstract

A filter cartridge includes a threaded sleeve having a seal holder recess and seal member. The filter cartridge is for removably threading onto a filter head that includes threads for connection to the filter cartridge by way of the threaded sleeve. The filter head includes a ramp that engages the seal member to form a seal. The force needed to make the seal is a torque of less than 10 N-m.

Description

[0001] This application was filed as a PCT International Patent Application on February 20, 2017 and claims U.S. Provisional Patent Application Serial No. 62 / 302,553 filed March 2, 2016 and U.S. Provisional Patent Application Serial No. 62, filed June 21, 2016 62 / 352,609, the entire disclosures of these provisional applications are hereby incorporated by reference in their entirety. technical field [0002] The present disclosure relates to filter cartridges, filter assemblies comprising said cartridges attached to filter heads, and methods of use. The filter device of the present disclosure may be used for filtering fluids, such as liquids, especially fuels, hydraulic fluids, and lubricating oils. Background technique [0003] Filters are commonly used in lubrication and fuel systems of internal combustion engines and hydraulic systems of heavy equipment. Filters are also used in many other types of fluid systems. In these types of systems, the filters are changed periodi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D35/16B01D35/30B01D29/21
CPCB01D27/00B01D35/30B01D2201/303B01D35/16B01D29/21B01D2201/295B01D2201/304B01D2201/4007B01D2201/347B01D29/111B01D2201/4092B01D35/005B01D53/30B01D27/08B01D29/13B01D35/306B01D2201/34
Inventor M·J·古斯塔夫森K·乔切尔D·B·哈德布莱恩·塔克
Owner DONALDSON CO INC
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