FR2741548A1 - PLASTIC CLOSURE-LIKE PLASTIC COVER FOR A FILTER HOUSING - Google Patents

PLASTIC CLOSURE-LIKE PLASTIC COVER FOR A FILTER HOUSING Download PDF

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Publication number
FR2741548A1
FR2741548A1 FR9613895A FR9613895A FR2741548A1 FR 2741548 A1 FR2741548 A1 FR 2741548A1 FR 9613895 A FR9613895 A FR 9613895A FR 9613895 A FR9613895 A FR 9613895A FR 2741548 A1 FR2741548 A1 FR 2741548A1
Authority
FR
France
Prior art keywords
threaded
filter element
plastic
cover
annular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
FR9613895A
Other languages
French (fr)
Inventor
Thomas Brieden
Hans Jemsen
Dietmar Sonntag
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Knecht Filterwerk GmbH
Original Assignee
Knecht Filterwerk GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Knecht Filterwerk GmbH filed Critical Knecht Filterwerk GmbH
Publication of FR2741548A1 publication Critical patent/FR2741548A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/24—Tools used for the removal of filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/30—Filter housing constructions
    • B01D2201/301—Details of removable closures, lids, caps, filter heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/30—Filter housing constructions
    • B01D2201/301—Details of removable closures, lids, caps, filter heads
    • B01D2201/305—Snap, latch or clip connecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/40—Special measures for connecting different parts of the filter
    • B01D2201/4084—Snap or Seeger ring connecting means

Abstract

La présente invention concerne un couvercle fileté en matière plastique (2) en forme de cloche pour un boîtier filtrant (1), sur lequel un élément filtrant annulaire (9) est logé à l'intérieur du fond de cloche, dont il peut être séparé et autour de l'axe fileté duquel il peut tourner, la possibilité de rotation étant obtenue par une fermeture à enclenchement, sur laquelle l'un des éléments d'assemblage présente une traverse annulaire, l'autre élément d'assemblage présentant un étrier de fixation (10) élastique dans le sens radial et fixant cette traverse dans le sens axial. L'invention vise à renforcer le montage de l'élément filtrant dans le sens radial. A cet effet, des moyens de centrage pour un montage non élastique dans le sens radial de l'élément filtrant annulaire par rapport au couvercle fileté sont prévus entre ce dernier et l'élément filtrant annulaire.The present invention relates to a bell-shaped plastic threaded cover (2) for a filter housing (1), on which an annular filter element (9) is housed inside the bell bottom, from which it can be separated. and around the threaded axis of which it can rotate, the possibility of rotation being obtained by a latching closure, on which one of the assembly elements has an annular cross member, the other assembly element having a caliper. elastic fixing (10) in the radial direction and fixing this cross member in the axial direction. The invention aims to strengthen the mounting of the filter element in the radial direction. To this end, centering means for non-elastic mounting in the radial direction of the annular filter element relative to the threaded cover are provided between the latter and the annular filter element.

Description

I Couvercle fileté en matière plastique en forme de cloche pourI Threaded lid made of bell-shaped plastic for

un boîtier filtrant.a filter box.

La présente invention concerne un couvercle fileté en matière plastique en forme de cloche pour un boîtier filtrant, sur lequel un élément filtrant annulaire est logé à l'intérieur du fond de cloche, dont il peut être séparé et autour de l'axe fileté duquel il peut tourner, la possibilité de rotation étant obtenue par une fermeture à enclenchement, sur laquelle l'un des éléments d'assemblage présente une traverse annulaire, l'autre élément d'assemblage présentant un étrier de fixation élastique dans le sens radial et fixant cette  The present invention relates to a bell-shaped plastic cover for a filter housing, on which an annular filter element is housed inside the bell bottom, from which it can be separated and around the threaded axis of which it can rotate, the possibility of rotation being obtained by a snap closure, on which one of the connecting elements has an annular cross member, the other assembly element having a radially resilient fixing bracket and fixing this

traverse dans le sens axial.crosses in the axial direction.

Un tel couvercle fileté est connu, par exemple, par la  Such a threaded lid is known, for example, by the

publication DE 43 44 588 Al.publication DE 43 44 588 Al.

A partir de cette situation, l'invention vise à renforcer le montage élastique dans le sens radial de l'élément filtrant sur le couvercle fileté. Par ailleurs, les moyens de fermeture à enclenchement ne doivent pas faire partie intégrante de l'élément filtrant annulaire, pour que ces moyens puissent rester dans l'ensemble sur le couvercle fileté lors d'un remplacement de l'élément filtrant. Les quantités de matériau non récupérables et/ou à jeter lors d'un changement du filtre annulaire doivent être réduites de ce fait. Il s'agit simultanément de réaliser l'élément filtrant annulaire interchangeable le plus simplement  From this situation, the invention aims to strengthen the radial elastic assembly of the filter element on the threaded lid. Furthermore, the snap closure means must not be an integral part of the annular filter element, so that these means can remain in the assembly on the threaded lid during a replacement of the filter element. The quantities of material that can not be recovered and / or to be discarded during a change of the ring filter must be reduced as a result. At the same time, it is necessary to make the interchangeable annular filter element the simplest

possible et à bon marché.possible and cheap.

Selon une caractéristique essentielle de l'invention, des moyens de centrage pour un montage non élastique dans le sens radial de l'élément filtrant annulaire par rapport au couvercle fileté sont prévus entre ce dernier et l'élément  According to an essential characteristic of the invention, centering means for non-elastically radial mounting of the annular filter element with respect to the threaded cover are provided between the latter and the element.

filtrant précité.aforementioned filter.

Il est judicieux que les moyens de centrage se composent d'un axe rond, conformé sur l'intérieur du fond de cloche du couvercle fileté, et d'un évidement, recevant cet axe par coopération de forme et prévu dans la partie frontale limitrophe de l'élément filtrant, ou d'un élément de fixation pouvant être assemblé avec l'élément filtrant par un  It is advisable that the centering means consist of a round axis, shaped on the inside of the bell bottom of the threaded cap, and a recess, receiving this axis by shape cooperation and provided in the front part adjacent to the filter element, or a fixing element which can be assembled with the filter element by a

ajustement appuyé.adjustment supported.

Une mesure avantageuse consiste à réaliser l'élément de fixation sous forme de capuchon de fermeture pour l'espace  An advantageous measure consists in producing the fastening element in the form of a closure cap for the space

interne radial d'un élément filtrant annulaire.  radial internal part of an annular filter element.

Il est enfin utile qu'un embout coaxial à l'axe rond soit associé à ce dernier sur le côté externe du couvercle fileté, cet embout servant au supportage radial d'un bouchon, qui peut être introduit dans une tubulure entourant l'embout dans le sens coaxial et distante de ce dernier dans le sens  It is finally useful that a tip coaxial with the round axis is associated with the latter on the outer side of the threaded lid, this tip for the radial support of a plug, which can be introduced into a tubular surrounding the tip in the coaxial and distant sense of the latter in the sense

radial, en tant que moyen de renforcement de cette tubulure.  radial, as a means of reinforcing this tubing.

Un exemple de construction est reproduit sur les dessins annexés, qui correspondent à: Figure 1: une découpe d'un boîtier filtrant sur lequel est vissé un couvercle, en coupe longitudinale, Figure 2: une coupe du couvercle analogue à celle de la figure 1, sans les éléments mis en place,  An example construction is reproduced in the accompanying drawings, which correspond to: Figure 1: a cutout of a filter housing on which is screwed a cover, in longitudinal section, Figure 2: a section of the cover similar to that of Figure 1 , without the elements put in place,

Figure 3: une vue du dessus du couvercle de la figure 2.  Figure 3: a top view of the lid of Figure 2.

Un couvercle fileté 2 est vissé sur un boîtier filtrant 1.  A threaded lid 2 is screwed onto a filter housing 1.

Pour son montage et son démontage, le couvercle fileté 1 présente une embase 3 pour la pose d'un outil. L'embase 3 se compose d'une tubulure 4, conformée sur le fond du couvercle fileté 2 et munie d'un profil externe hexagonal. Un embout 5 est conformé directement au centre du couvercle fileté 2, sur le fond de ce dernier et dans le sens axial externe. Dans l'espace interne de la tubulure 4, un bouchon 6 est inséré  For its assembly and disassembly, the threaded lid 1 has a base 3 for the installation of a tool. The base 3 consists of a tubing 4, shaped on the bottom of the threaded lid 2 and provided with a hexagonal outer profile. A tip 5 is shaped directly in the center of the threaded lid 2, on the bottom of the latter and in the outer axial direction. In the internal space of the tubing 4, a plug 6 is inserted

par force mécanique dans le sens radial interne et externe.  by mechanical force in the internal and external radial direction.

Ce bouchon 6 présente la forme d'un champignon dont la tête s'appuie, à l'état d'insertion du bouchon, sur la tubulure 4, en assurant une fermeture par coopération de forme dans le sens radial externe. Le bouchon 6 est emmanché dans la tubulure 4, de sorte qu'aucune déformation de matériau ne se produit dans cette dernière. L'ajustement est par ailleurs tel que le bouchon 6 présente un maintien durable dans la tubulure 4. Il est possible de choisir à cet effet un assemblage à enclenchement, par exemple, dont la figure 2  This plug 6 has the shape of a mushroom whose head is supported, in the insertion state of the plug, on the tubing 4, ensuring closure by shape cooperation in the outer radial direction. The cap 6 is fitted into the tubing 4, so that no deformation of material occurs in the latter. The adjustment is also such that the plug 6 has a durable hold in the tubing 4. It is possible to choose for this purpose an interlocking assembly, for example, whose Figure 2

représente un élément 11 à l'intérieur de la tubulure 4.  represents an element 11 inside the tubing 4.

Comme le couvercle fileté 2, le bouchon 6 est de préférence réalisé en matière plastique Un axe rond 7, qui sert au logement et au montage non élastique dans le sens radial d'un capuchon de fermeture 8, sur le côté frontal d'un élément filtrant annulaire 9, est conformé au centre et à l'intérieur du couvercle fileté 2. Le capuchon 8 est monté avec une possibilité de rotation, à peu près sans jeu, sur l'axe rond 7. Dans le sens axial, le capuchon 8 est fixé par le biais d'un étrier de fixation 10, composé d'un matériau déformable dans le sens radial, partant du couvercle fileté 2, et encliqueté sur le pourtour externe du capuchon sur une traverse annulaire périphérique. Dans le cadre de cet assemblage à enclenchement, le capuchon 8 peut tourner par rapport au couvercle fileté 2. L'élément filtrant  Like the threaded cover 2, the stopper 6 is preferably made of plastic material. A round shaft 7, which serves to accommodate and non-elastically mount in the radial direction of a closure cap 8, on the front side of an element 9 is formed in the center and inside of the threaded lid 2. The cap 8 is mounted with a possibility of rotation, almost without play, on the round axis 7. In the axial direction, the cap 8 is fixed by means of a fixing bracket 10, consisting of a deformable material in the radial direction, starting from the threaded cover 2, and snapped onto the outer periphery of the cap on a peripheral annular crossmember. As part of this snap-on assembly, the cap 8 is rotatable relative to the threaded lid 2. The filter element

4 27415484 2741548

annulaire 9 peut être emmanché, avec une étanchéité dans le sens radial, sur une zone cylindrique du capuchon de  9 can be fitted, with a seal in the radial direction, on a cylindrical zone of the cap of

fermeture 8.closure 8.

Par le bouchon 6 interne à la tubulure 4, les forces d'un outil de montage sont réparties sur une zone relativement élevée, de sorte que l'épaisseur de paroi de la tubulure 4 dans son ensemble, et en particulier dans la zone de transition avec le fond du couvercle fileté, peut être  Through the plug 6 inside the tubing 4, the forces of a mounting tool are distributed over a relatively high area, so that the wall thickness of the tubing 4 as a whole, and in particular in the transition zone. with the bottom of the threaded lid, can be

extrêmement réduite.extremely reduced.

Claims (6)

Revendications.Claims. 1. Couvercle fileté en matière plastique en forme de cloche pour un boîtier filtrant, sur lequel un élément filtrant annulaire est logé à l'intérieur du fond de cloche, dont il peut être séparé et autour de l'axe fileté duquel il peut tourner, la possibilité de rotation étant obtenue par une fermeture à enclenchement, sur laquelle l'un des éléments d'assemblage présente une traverse annulaire, l'autre élément d'assemblage présentant un étrier de fixation élastique dans le sens radial et fixant cette traverse dans le sens axial, caractérisé en ce que des moyens de centrage pour un montage non élastique dans le sens radial de l'élément filtrant annulaire (9) par rapport au couvercle fileté (2) sont prévus  1. A bell-shaped plastic screw cover for a filter housing, on which an annular filter element is housed inside the bell bottom, from which it can be separated and around the threaded axis from which it can rotate, the possibility of rotation being obtained by a snap closure, on which one of the connecting elements has an annular cross-member, the other assembly element having a radially resilient fixing stirrup and fixing this cross member in the axial direction, characterized in that centering means for radially non-elastic mounting of the annular filter element (9) with respect to the threaded cover (2) are provided entre ce dernier et l'élément filtrant (3) précité.  between the latter and the filter element (3) mentioned above. 2. Couvercle fileté en matière plastique suivant la revendication 1, caractérisé en ce que les moyens de centrage se composent d'un axe rond (7), conformé sur l'intérieur du fond de cloche du couvercle fileté (2), et d'un évidement, recevant cet axe par coopération de forme et prévu dans la partie frontale limitrophe de l'élément filtrant (9), ou d'un élément de fixation (8) pouvant être assemblé avec l'élément  2. Threaded plastic cover according to claim 1, characterized in that the centering means consist of a round shaft (7), shaped on the inside of the bell bottom of the threaded cover (2), and of a recess, receiving this axis by shape cooperation and provided in the front portion adjacent to the filter element (9), or a fastening element (8) that can be assembled with the element filtrant (9) par un ajustement appuyé.  filter (9) by a press fit. 3. Couvercle fileté en matière plastique suivant la revendication 2, caractérisé en ce que l'élément de fixation est réalisé sous forme de capuchon de fermeture (8) pour  Plastic threaded lid according to Claim 2, characterized in that the fastening element is constructed as a closure cap (8) for l'espace interne radial d'un élément filtrant annulaire (9).  the radial internal space of an annular filter element (9). 4. Couvercle fileté en matière plastique suivant l'une des  4. Threaded plastic cover according to one of the revendications précédentes, caractérisé en ce qu'un embout  preceding claims, characterized in that a mouthpiece (5) coaxial à l'axe rond (7) est associé à ce dernier sur le côté externe du couvercle fileté (2), cet embout servant au supportage radial d'un bouchon (6), qui peut être introduit dans une tubulure (4) entourant l'embout (5) dans le sens  (5) coaxial with the round axis (7) is associated with the latter on the outer side of the threaded lid (2), this end piece being used for the radial support of a plug (6), which can be introduced into a tubular ( 4) surrounding the tip (5) in the direction 6 27415486 2741548 coaxial et distante de ce dernier dans le sens radial, en  coaxial and distant from the latter in the radial direction, tant que moyen de renforcement de cette tubulure.  as a means of reinforcing this tubing.
FR9613895A 1995-11-27 1996-11-14 PLASTIC CLOSURE-LIKE PLASTIC COVER FOR A FILTER HOUSING Pending FR2741548A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19544087 1995-11-27

Publications (1)

Publication Number Publication Date
FR2741548A1 true FR2741548A1 (en) 1997-05-30

Family

ID=7778476

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9613895A Pending FR2741548A1 (en) 1995-11-27 1996-11-14 PLASTIC CLOSURE-LIKE PLASTIC COVER FOR A FILTER HOUSING

Country Status (3)

Country Link
DE (1) DE19642641C2 (en)
FR (1) FR2741548A1 (en)
GB (1) GB2307422A (en)

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DE19706644A1 (en) * 1997-02-20 1998-08-27 Knecht Filterwerke Gmbh Plastic cover for a filter housing
DE19737699A1 (en) * 1997-08-29 1999-03-04 Mann & Hummel Filter Filter module
US6440201B1 (en) 1997-12-15 2002-08-27 Domnick Hunter Limited Filter assembly having end cap with separable flow conduit
EP1042047B1 (en) 1997-12-15 2005-02-16 Domnick Hunter Limited Filter assembly
US6663685B2 (en) 1997-12-15 2003-12-16 Domnick Hunter Limited Filter assembly
WO1999030798A1 (en) 1997-12-15 1999-06-24 Domnick Hunter Limited Filter assembly
EP1042045B1 (en) 1997-12-15 2004-05-19 Domnick Hunter Limited Filter assembly
US6409786B1 (en) 1997-12-15 2002-06-25 Domnick Hunter Limited Filter assembly
DE19852587A1 (en) * 1998-08-11 2000-02-17 Mann & Hummel Filter Horizontal oil or fuel filter for vehicles has a drain that can be positioned in the lowest position
FR2789729B1 (en) * 1999-02-12 2001-03-23 Moulage Ind De Perseigne Mip OIL FILTER HOUSING
FR2790513B1 (en) * 1999-03-02 2001-05-18 Filtrauto LIQUID FILTER HOUSING FOR AN ENGINE, AND FILTER COMPRISING SUCH A HOUSING
DE19917567A1 (en) * 1999-04-19 2000-11-02 Brueninghaus Hydromatik Gmbh Filter device with a detachable fiter housing
DE29915840U1 (en) * 1999-09-09 2001-01-25 Hengst Walter Gmbh & Co Kg Openwork valve body filter
US6626140B2 (en) 2000-02-29 2003-09-30 Bombardier-Rotax Gmbh Four stroke engine having power take off assembly
US6481580B1 (en) * 2000-08-23 2002-11-19 Caterpillar Inc Fluid filter with locking mechanism
US6814243B2 (en) * 2000-08-23 2004-11-09 Caterpillar Inc Replaceable filter with locking mechanism
GB2373457A (en) * 2001-03-19 2002-09-25 Dana Corp A filter with releasable housing portions
US6627078B1 (en) * 2001-08-22 2003-09-30 Nelson Industries, Inc. Filter element cover grip
US6770196B2 (en) * 2002-03-20 2004-08-03 Arvin Technologies, Inc. Filter cap with releasable filter element
US8001801B2 (en) * 2006-12-19 2011-08-23 Whirlpool Corporation Water filter removal and installation tool
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EP0589377A1 (en) * 1992-09-24 1994-03-30 Robert Bosch Gmbh Fuel filter
DE4303694A1 (en) * 1993-02-09 1994-08-11 Knecht Filterwerke Gmbh Liquids filter with overflow valve
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GB2004472A (en) * 1977-09-22 1979-04-04 Zahnradfabrik Friedrichshafen Oil tank filter
EP0589377A1 (en) * 1992-09-24 1994-03-30 Robert Bosch Gmbh Fuel filter
DE4303694A1 (en) * 1993-02-09 1994-08-11 Knecht Filterwerke Gmbh Liquids filter with overflow valve
US5458767A (en) * 1994-08-10 1995-10-17 Parker-Hannifin Corporation Fuel filter assembly with dual filter media and by-pass device

Also Published As

Publication number Publication date
GB9623420D0 (en) 1997-01-08
GB2307422A (en) 1997-05-28
DE19642641A1 (en) 1997-05-28
DE19642641C2 (en) 1998-03-19

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