FR2869239A1 - Device for helping with replacement of filter element in filter pump comprises piece generally tubular in form, with internal diameter allowing it to contain filter and external diameter allowing it to be contained in tubular sock - Google Patents
Device for helping with replacement of filter element in filter pump comprises piece generally tubular in form, with internal diameter allowing it to contain filter and external diameter allowing it to be contained in tubular sock Download PDFInfo
- Publication number
- FR2869239A1 FR2869239A1 FR0450797A FR0450797A FR2869239A1 FR 2869239 A1 FR2869239 A1 FR 2869239A1 FR 0450797 A FR0450797 A FR 0450797A FR 0450797 A FR0450797 A FR 0450797A FR 2869239 A1 FR2869239 A1 FR 2869239A1
- Authority
- FR
- France
- Prior art keywords
- sock
- filter
- frame
- tubular
- diameter allowing
- 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.)
- Granted
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 8
- 230000000284 resting effect Effects 0.000 abstract 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B01D29/23—Supported filter elements arranged for outward 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
- B01D29/96—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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
Description
La présente invention a pour objet un dispositif d'aide au remplacement deThe subject of the present invention is a device for assisting the replacement of
l'élément filtrant d'un filtre pour pompe, et le procédé de mise en oeuvre dudit dispositif. the filter element of a pump filter, and the method of implementing said device.
Le dispositif selon l'invention concerne plus 5 particulièrement les filtres des pompes à vide installées sur les camions de vidange. The device according to the invention relates more particularly to the filters of vacuum pumps installed on the emptying trucks.
Une telle pompe comporte un filtre comprenant un cadre de forme tubulaire sur la paroi duquel est enroulée une nappe filtrante recouverte d'une chaussette de forme tubulaire comprenant à une extrémité un fond et à l'autre une ouverture, destinée à maintenir ladite nappe sur ledit cadre. Such a pump comprises a filter comprising a frame of tubular shape on the wall of which is wound a filtering web covered with a sock of tubular shape comprising at one end a bottom and at the other an opening, intended to maintain said sheet on said frame.
La nappe filtrante, qui constitue l'élément filtrant du filtre, s'encrasse rapidement selon l'utilisation, et est à remplacer fréquemment par une autre propre. L'enlèvement de la nappe filtrante après la dépose de la chaussette ne pose aucun problème, il en est toutefois autrement pour ce qui est de l'opération de montage. The filter web, which constitutes the filter element of the filter, becomes dirty quickly depending on the use, and is frequently replaced by another clean. The removal of the filter web after removal of the sock is no problem, but it is otherwise with respect to the mounting operation.
En effet la première étape consiste à rouler la nappe filtrante sur le cadre, puis à introduire le cadre muni de la nappe filtrante dans la chaussette tout en maintenant ladite nappe filtrante sur le cadre, ce qui nécessite de nombreuses manipulations, sans garantie de résultat, puisque la plupart du temps la nappe filtrante se replie ou se retrousse sur le cadre dont certaines zones sont alors non couvertes. Indeed the first step is to roll the filter web on the frame, then to introduce the frame provided with the filter web in the sock while maintaining said filter web on the frame, which requires many manipulations, without guarantee of result, since most of the time the filter sheet folds or rolls up on the frame, some areas are not covered.
Ceci est notamment dû au fait que le diamètre externe du cadre associé à la nappe filtrante est très proche de celui interne de la chaussette, ce qui interdit la possibilité de maintien manuel de la nappe filtrante, tandis que lors de l'introduction, la nappe filtrante frotte sur toute la longueur de la chaussette avec le risque d'y rester accrochée. This is due in particular to the fact that the outer diameter of the frame associated with the filtering web is very close to that inside the sock, which prevents the possibility of manual maintenance of the filtering web, while during the introduction, the tablecloth filtering rubs the entire length of the sock with the risk of hanging on it.
La présente invention a pour but de proposer un dispositif d'aide au remplacement de l'élément filtrant d'un filtre pour pompe, et le procédé de mise en oeuvre dudit dispositif, qui remédie à l'inconvénient précité en permettant que la nappe filtrante couvre parfaitement l'intégralité du cadre après la mise en place de la chaussette. The present invention aims to provide a device for assisting the replacement of the filter element of a pump filter, and the method of implementation of said device, which overcomes the aforementioned drawback by allowing the filtering web perfectly covers the entire frame after placing the sock.
Selon l'invention, le dispositif d'aide au remplacement de l'élément filtrant d'un filtre pour pompe lequel filtre est de type comprenant une nappe filtrante enroulée sur un cadre de forme tubulaire l'ensemble étant enfilé dans une chaussette de forme tubulaire comprenant à une extrémité un fond et à l'autre une ouverture, se caractérise essentiellement en ce qu'il consiste en une pièce de forme générale tubulaire, d'un diamètre interne apte à lui permettre de contenir ledit filtre, et d'un diamètre externe apte à lui permettre d'être contenu dans ladite chaussette. According to the invention, the device for assisting the replacement of the filter element of a pump filter which filter is of the type comprising a filtering sheet wound on a tubular frame the assembly being threaded into a tubular sock comprising at one end a bottom and at the other an opening, is essentially characterized in that it consists of a piece of generally tubular shape, of an internal diameter adapted to allow it to contain said filter, and a diameter external able to allow him to be contained in said sock.
Selon une caractéristique additionnelle du dispositif selon l'invention, l'une de ses extrémités est munie de moyens permettant sa fixation à demeure sur le châssis d'un camion de vidange. According to an additional feature of the device according to the invention, one of its ends is provided with means for its permanent attachment to the chassis of a dump truck.
Selon un mode de réalisation particulier du dispositif selon l'invention, il est constitué de deux éléments annulaires coaxiaux reliés par des entretoises. According to a particular embodiment of the device according to the invention, it consists of two coaxial annular elements connected by spacers.
Le procédé de mise en oeuvre du dispositif selon l'invention se caractérise essentiellement en ce qu'il consiste à introduire ledit dispositif dans la chaussette par l'ouverture de celle-ci, à rouler la nappe filtrante autour du cadre, à poser contre le fond de ladite chaussette une extrémité du cadre, à exercer une poussée axiale sur ledit cadre en sorte de le faire pénétrer dans ledit dispositif tout en entraînant la chaussette qui se déroule sur ladite nappe filtrante, enfin à enlever ledit dispositif. The method of implementation of the device according to the invention is essentially characterized in that it consists in introducing said device into the sock by the opening thereof, to roll the filtering web around the frame, to pose against the bottom of said sock one end of the frame, to exert an axial thrust on said frame so as to penetrate into said device while driving the sock which takes place on said filtering web, finally to remove said device.
Selon une caractéristique additionnelle du procédé selon l'invention, préalablement à l'introduction du dispositif dans la chaussette, celle-ci est retournée. According to an additional feature of the method according to the invention, prior to the introduction of the device in the sock, it is returned.
Les avantages et les caractéristiques du dispositif selon l'invention, ressortiront plus clairement de la description qui suit et qui se rapporte au dessin annexé, lequel en représente un mode de réalisation non limitatif. The advantages and characteristics of the device according to the invention will emerge more clearly from the description which follows and which refers to the appended drawing, which represents a non-limiting embodiment thereof.
Dans le dessin annexé : - la figure 1 représente une vue schématique en perspective et en éclaté d'un dispositif de filtre pour pompe. In the accompanying drawing: - Figure 1 shows a schematic perspective and exploded view of a pump filter device.
- la figure 2 représente une vue schématique en perspective d'un dispositif d'aide au remplacement de l'élément filtrant selon l'invention. - Figure 2 shows a schematic perspective view of a device for aiding the replacement of the filter element according to the invention.
- les figures 3a, 3b, 3c, 3d et 3e représentent des vues schématiques, en perspective et en éclaté qui illustrent le procédé de mise en oeuvre du dispositif selon l'invention. FIGS. 3a, 3b, 3c, 3d and 3e show diagrammatic, perspective and exploded views which illustrate the method of implementation of the device according to the invention.
En référence à la figure 1, on peut voir un filtre 1 pour pompe, notamment pour une pompe à vide pour camion de vidange. With reference to FIG. 1, there can be seen a filter 1 for a pump, in particular for a vacuum pump for a dump truck.
Un tel filtre 1 comprend un cadre rigide 2 de forme tubulaire percé d'une multiplicité de trous 20, une nappe filtrante 3 de forme rectangulaire destinée à recouvrir le cadre 2 en aboutant deux bords 30 opposés, et une chaussette 4 de forme tubulaire comprenant à une extrémité un fond 40 et à l'autre une ouverture 41, et destinée à être enfilée par-dessus le cadre 2 et la nappe filtrante 3 afin de maintenir celle-ci. Such a filter 1 comprises a rigid frame 2 of tubular shape pierced with a plurality of holes 20, a filtering sheet 3 of rectangular shape intended to cover the frame 2 by abutting two opposite edges 30, and a sock 4 of tubular shape comprising one end a bottom 40 and the other an opening 41, and intended to be threaded over the frame 2 and the filtering web 3 to maintain it.
Actuellement l'opérateur procède de la manière suivante, il roule la nappe filtrante 3 sur le cadre 2, puis introduit l'ensemble dans la chaussette 4 par l'ouverture 41 de celle-ci, en tentant de maintenir les bords 30 aboutés, ce qui est peu aisé et conduit généralement, du fait du glissement de la nappe filtrante 3 sur toute la longueur de la chaussette 4, à un repliement de la nappe filtrante 3 sur elle-même et le nonrecouvrement d'une partie du cadre 2. Currently the operator proceeds as follows, he rolls the filtering web 3 on the frame 2, then introduces the assembly into the sock 4 through the opening 41 thereof, attempting to maintain the abutting edges 30, which is not easy and generally leads, due to the sliding of the filtering web 3 over the entire length of the sock 4, to a folding of the filtering web 3 on itself and the nonrecoverement of part of the frame 2.
En référence maintenant à la figure 2, on peut voir un dispositif 5 selon l'invention, lequel présente une forme générale tubulaire. Dans le mode de réalisation représenté, il comprend deux éléments annulaires 50 et 51 coaxiaux reliés par des entretoises 52. Referring now to Figure 2, there can be seen a device 5 according to the invention, which has a generally tubular shape. In the embodiment shown, it comprises two coaxial annular elements 50 and 51 connected by spacers 52.
Les éléments annulaires 50 et 51 sont d'un diamètre interne 30 supérieur à celui externe du filtre 1, et d'un diamètre externe inférieur à celui interne de la chaussette 4. The annular elements 50 and 51 have an internal diameter greater than the external diameter of the filter 1, and an external diameter smaller than the internal diameter of the sock 4.
La mise en oeuvre du dispositif 5 selon l'invention est décrite sur les figures 3a, 3b, 3c, 3d et 3e. The implementation of the device 5 according to the invention is described in Figures 3a, 3b, 3c, 3d and 3e.
La première étape, représentée sur la figure 3a, consiste à placer le dispositif 5 selon l'invention verticalement en appui sur un élément annulaire, en l'occurrence l'élément annulaire 51, puis à enfiler la chaussette 4 par-dessus en sorte que le fond 40 vienne au contact de l'élément annulaire 50, non visible sur la figure. The first step, represented in FIG. 3a, consists in placing the device 5 according to the invention vertically in abutment on an annular element, in this case the annular element 51, then in putting the sock 4 on top so that the bottom 40 comes into contact with the annular element 50, not visible in the figure.
On notera comme cela ressortira de la description qui suit, qu'avant d'être enfilée sur le dispositif 5, la chaussette 4 aura été, de préférence, retournée pour que sa face externe soit du côté interne. Note as will be apparent from the following description, that before being threaded on the device 5, the sock 4 will have been, preferably, returned so that its outer face is on the inner side.
L'étape suivante, représentée sur la figure 3b, consiste à poser contre le fond 40 une extrémité du cadre 1 sur lequel aura 10 été préalablement roulée la nappe filtrante 3. The following step, shown in FIG. 3b, consists in placing against the bottom 40 an end of the frame 1 on which the filtering web 3 has been previously rolled.
L'étape suivante, figure 3c, consiste à exercer une poussée axiale P sur le cadre 1 muni de la nappe filtrante 3, en sorte de le faire pénétrer dans l'élément annulaire 50, non visible, tout en entraînant la chaussette 4, avec la possibilité de maintenir les bords 30 aboutés au fur et à mesure du recouvrement de la nappe filtrante 3 par la chaussette 4. De cette manière il n'y a pas de frottement de la chaussette 4 sur la nappe filtrante 3, il y a un recouvrement progressif sans déplacement de l'une par rapport à l'autre, jusqu'à recouvrement complet tel que cela est représenté sur la figure 3d. The next step, FIG. 3c, consists in exerting an axial thrust P on the frame 1 provided with the filtering sheet 3, so as to make it penetrate into the annular element 50, which is not visible, while driving the sock 4, with the possibility of maintaining the abutting edges as the filter web 3 is covered by the sock 4. In this way there is no friction of the sock 4 on the filtering sheet 3, there is a progressive recovery without displacement of one relative to the other, until full recovery as shown in Figure 3d.
Il suffit ensuite d'extraire le filtre 1 du dispositif 5, comme cela apparaît sur la figure 3e, la chaussette recouvre parfaitement la nappe filtrante 3 qui ne fait aucun pli et qui par conséquent recouvre complètement, sans jour, le cadre 1. It is then sufficient to extract the filter 1 from the device 5, as shown in FIG. 3e, the sock perfectly covers the filtering sheet 3 which does not make any fold and therefore completely covers, without a day, the frame 1.
Il est à noter que le dispositif 5 tel que représenté peut aussi bien être transportable que fixé à demeure sur le châssis d'un camion par exemple. A cet effet l'un des éléments 50 ou 51 peut être fixé, par soudage par exemple, à un support de type platine horizontale, elle-même solidarisée au châssis. Il est également possible dans le cas d'une installation fixe, de s'affranchir de l'un des deux éléments annulaires 50 et 51, en fixant directement les entretoises 52 sur la platine précitée, par leur extrémité. It should be noted that the device 5 as shown can be transportable as well as permanently fixed on the chassis of a truck for example. For this purpose one of the elements 50 or 51 may be fixed, for example by welding, to a horizontal platinum type support, itself secured to the frame. It is also possible in the case of a fixed installation, to overcome one of the two annular elements 50 and 51, directly fixing the spacers 52 on the aforementioned plate, by their end.
Dans le cas d'un dispositif fixé à demeure, le procédé de mise en oeuvre reste le même avec toutefois certains aménagements, à savoir qu'il consiste à enfiler la chaussette par dessus le dispositif, à rouler la nappe filtrante autour du cadre et à les poser contre le fond de la chaussette par une extrémité, à exercer une poussée axiale sur ledit cadre en sorte de le faire pénétrer dans le dispositif tout en entraînant la chaussette qui se déroule sur la nappe filtrante, enfin à extraire le filtre du dispositif. In the case of a permanently attached device, the method of implementation remains the same with, however, certain adjustments, namely that it consists of threading the sock over the device, rolling the filtering sheet around the frame and placing them against the bottom of the sock at one end, to exert an axial thrust on said frame so as to penetrate into the device while driving the sock which takes place on the filter web, finally extract the filter device.
I1 va de soi que la présente invention ne saurait être limitée à la description qui précède de l'un de ses modes de réalisation, susceptible de subir quelques modifications sans pour autant sortir du cadre de l'invention. It goes without saying that the present invention can not be limited to the foregoing description of one of its embodiments, may undergo some modifications without departing from the scope of the invention.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0450797A FR2869239B1 (en) | 2004-04-27 | 2004-04-27 | DEVICE FOR ASSISTING THE REPLACEMENT OF THE FILTER ELEMENT OF A PUMP FILTER, AND ITS METHOD FOR IMPLEMENTING IT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0450797A FR2869239B1 (en) | 2004-04-27 | 2004-04-27 | DEVICE FOR ASSISTING THE REPLACEMENT OF THE FILTER ELEMENT OF A PUMP FILTER, AND ITS METHOD FOR IMPLEMENTING IT |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2869239A1 true FR2869239A1 (en) | 2005-10-28 |
| FR2869239B1 FR2869239B1 (en) | 2006-12-01 |
Family
ID=34945511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0450797A Expired - Fee Related FR2869239B1 (en) | 2004-04-27 | 2004-04-27 | DEVICE FOR ASSISTING THE REPLACEMENT OF THE FILTER ELEMENT OF A PUMP FILTER, AND ITS METHOD FOR IMPLEMENTING IT |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2869239B1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2091137A (en) * | 1936-09-18 | 1937-08-24 | Electric Vacuum Cleaner Co Inc | Vacuum cleaner |
| US2100374A (en) * | 1936-03-11 | 1937-11-30 | Edmund J Biever | Filtering assembly for respirators |
| US4769052A (en) * | 1986-08-21 | 1988-09-06 | Cuno Incorporated | Compact filter assembly |
| US5279733A (en) * | 1992-08-31 | 1994-01-18 | Southwest Screens & Filters, S.A. | Filter candle apparatus |
| US20020100724A1 (en) * | 1998-10-13 | 2002-08-01 | Bourgeois Edmund Bernard | Extended area filter bag |
-
2004
- 2004-04-27 FR FR0450797A patent/FR2869239B1/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2100374A (en) * | 1936-03-11 | 1937-11-30 | Edmund J Biever | Filtering assembly for respirators |
| US2091137A (en) * | 1936-09-18 | 1937-08-24 | Electric Vacuum Cleaner Co Inc | Vacuum cleaner |
| US4769052A (en) * | 1986-08-21 | 1988-09-06 | Cuno Incorporated | Compact filter assembly |
| US5279733A (en) * | 1992-08-31 | 1994-01-18 | Southwest Screens & Filters, S.A. | Filter candle apparatus |
| US20020100724A1 (en) * | 1998-10-13 | 2002-08-01 | Bourgeois Edmund Bernard | Extended area filter bag |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2869239B1 (en) | 2006-12-01 |
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