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Secondary elements for filter systems and filter systems with secondary elements

A technology of filter elements and elements, applied in membrane filters, dispersed particle filtration, separation methods, etc., can solve problems such as long time intervals

Active Publication Date: 2021-05-04
MANN HUMMEL GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The secondary element itself can also be replaced, since it can be loaded with dust particles, but at much longer intervals than a real filter element

Method used

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  • Secondary elements for filter systems and filter systems with secondary elements
  • Secondary elements for filter systems and filter systems with secondary elements
  • Secondary elements for filter systems and filter systems with secondary elements

Examples

Experimental program
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Embodiment Construction

[0046] In the drawings, the same or similar components are marked with the same reference numerals. The drawings show examples only and are not to be construed as limiting.

[0047] figure 1 A longitudinal section through a filter system 100 according to one exemplary embodiment of the invention is shown with a primary filter element 50 which surrounds a secondary element 10 on its clean side.

[0048] The filter system 100 comprises a housing 110 consisting of a tank 112 and a cover 114 which can be removed. figure 2 Details of the bottom area of ​​the housing 110 are shown.

[0049] Housing 110 can be configured, for example, cylindrically. An inlet sleeve, not visible in the drawing, is arranged on housing 110 for supplying the fluid to be filtered, in particular air. The inlet sleeve can be arranged radially or tangentially on the housing 110 . The axial position is close to the bottom 120 of the housing 110 in a region in which an inflow protection 124 is arranged i...

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PUM

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Abstract

The invention relates to a secondary element (10) having a longitudinal axis (L) and two opposite ends (12, 14), said secondary element comprising a filter medium arranged around said longitudinal axis (L) (16) wherein one of said ends (14) is open and the opposite end (12) is hermetically closed by a closed end plate (20), and said end plate (20) There is a connecting piece (22) arranged to cooperate with a connecting piece (156) of the support pipe (150) of the filter system (100) when assembled as intended, so as to connect the secondary element (10) fixed on the support tube (150). Furthermore, the invention relates to a filter system ( 100 ) having such a replaceable secondary element ( 10 ).

Description

technical field [0001] The invention relates to a secondary element for a filter system, in particular for an air filter system of an internal combustion engine, and to a filter system having such a secondary element. Background technique [0002] It is known to use air filters in order to filter the combustion air for internal combustion engines in motor vehicles, such as passenger cars, commercial vehicles, work machines, agricultural vehicles, but also stationary generators or the like. Such air filters generally comprise a housing, an air inlet and an air outlet, wherein a removable and replaceable main filter element is arranged in the housing. The housing usually comprises a service cover or an access cover for accessing the filter element received inside in case of maintenance. For this purpose, the filter element can be disassembled and replaced by a factory-fresh filter element, reconditioned and used again, or replaced by a previously used but reconditioned filter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/24
CPCB01D46/2414B01D2265/06B01D2265/022B01D2265/028B01D2275/201B01D2271/027B01D2279/60
Inventor P.尼夫J.舒尔特T.弗里青M.沙尔马P.库玛雷森
Owner MANN HUMMEL GMBH
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