FR2665217A1 - Funnel with exchangeable filter cartridge intended to be mounted on exhaust gas silencers of motor vehicles - Google Patents

Funnel with exchangeable filter cartridge intended to be mounted on exhaust gas silencers of motor vehicles Download PDF

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Publication number
FR2665217A1
FR2665217A1 FR9009673A FR9009673A FR2665217A1 FR 2665217 A1 FR2665217 A1 FR 2665217A1 FR 9009673 A FR9009673 A FR 9009673A FR 9009673 A FR9009673 A FR 9009673A FR 2665217 A1 FR2665217 A1 FR 2665217A1
Authority
FR
France
Prior art keywords
funnel
filter cartridge
motor vehicles
base
exhaust gas
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
FR9009673A
Other languages
French (fr)
Inventor
Lellouche Alain
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.)
SACATEC
Original Assignee
SACATEC
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 SACATEC filed Critical SACATEC
Priority to FR9009673A priority Critical patent/FR2665217A1/en
Publication of FR2665217A1 publication Critical patent/FR2665217A1/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/0211—Arrangements for mounting filtering elements in housing, e.g. with means for compensating thermal expansion or vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/14—Joints for pipes of different diameters or cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/08—Granular material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/10—Fibrous material, e.g. mineral or metallic wool
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/20—Plastics, e.g. polymers, polyester, polyurethane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/40—Activated carbon or charcoal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/10—Fitting temporarily exhaust apparatus on exhaust conduit, e.g. in confined environment, garage or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/26—Methods or apparatus for fitting, inserting or repairing different elements by bayonet fittings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/30—Removable or rechangeable blocks or cartridges, e.g. for filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/14—Plurality of outlet tubes, e.g. in parallel or with different length
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Abstract

Funnel with changeable filter cartridge intended to be mounted on the exhaust silencers of light and heavy motor vehicles, comprising means for fastening and clamping on the said exhaust pipes, characterised by the fact that these means include a flexible diaphragm (13) cut into the shape of a star and rendered integral with the base of the funnel (1) receiving the exhaust pipe (14).

Description

"Entonnoir à cartouche filtrante échangeable destiné à
être monté sur les pots d'échappement de gaz des
véhicules automobiles"
La présente invention concerne un entonnoir à cartouche filtrante changeable destiné à etre monté sur les pots d'échappement de gaz des véhicules automobiles légers et lourds."Funnel with exchangeable filter cartridge intended for
be mounted on the exhaust pipes of the
motor vehicles"
The present invention relates to a changeable filter cartridge funnel intended to be mounted on the exhaust pipes of gases of light and heavy motor vehicles.

Ce type d'entonnoir est en général constitué de deux cônes tronqués en caoutchouc moulé ayant leur petite base commune affectant ainsi sensiblement la forme générale d'un "Diabolo", la grande base de l'un de ces troncs de cônes étant destinée à recevoir le tuyau d'échappement d'un véhicule automobile et la grande base de l'autre tronc de cône étant destinée à recevoir une cartouche filtrante de type connu. This type of funnel generally consists of two truncated cones in molded rubber having their small common base thus substantially affecting the general shape of a "Diabolo", the large base of one of these trunks of cones being intended to receive the exhaust pipe of a motor vehicle and the large base of the other truncated cone being intended to receive a filter cartridge of known type.

De façon avantageuse la face interne du tronc de cône par lequel est coiffé le tuyau d'échappement est crénelée de manière à pouvoir s'adapter à des tuyaux de différents diamètres après leur introduction à force. Advantageously, the internal face of the truncated cone by which the exhaust pipe is capped is crenellated so as to be able to adapt to pipes of different diameters after their forced introduction.

Différents systèmes de fixation faisant appel principalement à des colliers de serrage ont été préconisés. Different fixing systems mainly using clamps have been recommended.

Toutefois ces systèmes font intervenir des moyens mécaniques lourds coûteux et inefficaces du fait que l'entonnoir se désolidarise très souvent du tuyau d'échappement dès l'instant où le régime moteur et donc la pression des gaz monte.However, these systems involve heavy mechanical means which are costly and ineffective because the funnel very often dissociates from the exhaust pipe as soon as the engine speed and therefore the gas pressure rises.

Quant à l'autre base du "Diabolo" sur laquelle se monte une cartouche filtrante elle comporte des moyens de fixation qui s'adaptent à la cartouche. Ces moyens s'inspirent du système bien connu de montage et de serrage dit "à baïonnette". Ils donnent en général satisfaction. Aussi l'invention cherche à améliorer dans une large mesure les moyens de fixation et de serrage dudit entonnoir sur un tuyau d'échappement de manière à éviter leur séparation en s'opposant aux forces tendant à les désolidariser. As for the other base of the "Diabolo" on which a filter cartridge is mounted, it includes fixing means which adapt to the cartridge. These means are inspired by the well-known mounting and tightening system called "bayonet". They generally give satisfaction. Also the invention seeks to improve to a large extent the means for fixing and clamping said funnel on an exhaust pipe so as to avoid their separation by opposing the forces tending to separate them.

Ces moyens de fixation et de serrage qui font l'objet de la présente invention sont essentiellement caractérisés par le fait qu'ils comportent une membrane souple découpée en forme d'étoile et rendue solidaire de la base de l'entonnoir recevant le tuyau d'échappement. These fixing and tightening means which are the subject of the present invention are essentially characterized in that they comprise a flexible membrane cut out in the shape of a star and made integral with the base of the funnel receiving the pipe. exhaust.

De façon avantageuse ladite membrane est portée par une bague elle-même portée par ladite base. Advantageously, said membrane is carried by a ring itself carried by said base.

Suivant un mode de réalisation possible, ladite bague est rendue solidaire de ladite base par collage, vissage et autre moyen d'assemblage équivalent. According to a possible embodiment, said ring is made integral with said base by gluing, screwing and other equivalent assembly means.

La portée et l'intérêt de l'invention ressortiront plus clairement de la description qui va suivre faite en regard des dessins annexés sur lesquels:
- la figure 1 est une vue en élévation partiellement en coupe axiale longitudinale d'un entonnoir selon l'invention muni d'un type connu de cartouche filtrante
- la figure 2 est une vue en bout d'une des bases dudit entonnoir montrant la membrane de fixation et de serrage selon l'invention ;;
- la figure 3 est une vue en bout de l'autre base de l'entonnoir de la figure 1 montrant le moyen de fixation de la cartouche filtrante utilisée
- les figures 4, 5, 6 sont des vues correspondant respectivement aux figures 1, 2 et 3 dans le cas d'un entonnoir muni d'un autre type connu de cartouche filtrante
- la figure 7 est une vue correspondant à l'un de ces entonnoirs coiffant un tuyau d'échappement.The scope and interest of the invention will emerge more clearly from the description which follows, given with reference to the appended drawings in which:
- Figure 1 is an elevational view partially in longitudinal axial section of a funnel according to the invention provided with a known type of filter cartridge
- Figure 2 is an end view of one of the bases of said funnel showing the fixing and tightening membrane according to the invention;
- Figure 3 is an end view of the other base of the funnel of Figure 1 showing the means of fixing the filter cartridge used
- Figures 4, 5, 6 are views corresponding respectively to Figures 1, 2 and 3 in the case of a funnel provided with another known type of filter cartridge
- Figure 7 is a view corresponding to one of these funnels covering an exhaust pipe.

En se référant aux figures 1 à 3 un entonnoir à cartouche filtrante est constitué d'une pièce moulée 1 en caoutchouc affectant la forme générale d'un "Diabolo" portant par l'une de ses bases un système de montage et de serrage 4 de type connu dit "å baïonnette" recevant une cartouche 5 qui, comme illustré à la figure 1 se compose, suivant une première formule bien connue, d'un premier et d'un second milieux filtrants 6-7 comprenant une mousse synthétique, d'un troisième milieu filtrant 8 à base de fibres absorbantes, d'un milieu 9 à base de charbon actif et enfin d'un filtre 10 de fermeture, le tout protégé par la grille et son cache 11-12. Referring to Figures 1 to 3 a filter cartridge funnel consists of a molded piece 1 of rubber having the general shape of a "Diabolo" carrying by one of its bases a mounting and clamping system 4 of known type known as "å bayonet" receiving a cartridge 5 which, as illustrated in FIG. 1, is composed, according to a first well-known formula, of a first and a second filter media 6-7 comprising a synthetic foam, a third filtering medium 8 based on absorbent fibers, a medium 9 based on activated carbon and finally a filter 10 for closing, all protected by the grid and its cover 11-12.

Sur l'autre base est montée une pièce moulée en forme de bague 2 qui peut être vissée sur la pièce 1 mais qui dans le cas illustré ici est assemblée par collage avec bague intermédiaire métallique de renfort 3. Ces pièces portent une membrane souple 13 (en caoutchouc par exemple) présentant toutefois une certaine rigidité. Cette membrane comporte des découpes en forme d'étoile, comme illustré sur les figures 2 et 5. On the other base is mounted a molded part in the form of a ring 2 which can be screwed onto the part 1 but which in the case illustrated here is assembled by gluing with a metal intermediate reinforcing ring 3. These parts carry a flexible membrane 13 ( rubber for example), however, having a certain rigidity. This membrane has star-shaped cutouts, as illustrated in Figures 2 and 5.

La paroi interne de la pièce 1, du côté destiné à recevoir le tuyau d'échappement est crénelé en la comme illustré sur les figures. The internal wall of the part 1, on the side intended to receive the exhaust pipe, is crenellated as shown in the figures.

Ce type d'entonnoir ainsi équipé permet l'échappement des gaz dans le sens axial (flèches F). This type of funnel thus equipped allows the gases to escape in the axial direction (arrows F).

En se référant par contre aux figures 4 à 6 les gaz s'évacuent latéralement suivant les flèches F, avec la cartouche Sa d'un type également bien connu qui se compose de milieux filtrants à base de matériaux de types dits plissés. Referring on the other hand to FIGS. 4 to 6, the gases are evacuated laterally according to the arrows F, with the cartridge Sa of a type also well known which is made up of filtering media based on materials of so-called pleated types.

Que l'entonnoir soit muni d'un type de cartouche ou d'un autre il est utilisé de la même manière pour coiffer un tuyau d'échappement 14 comme le montre la figure 7.Whether the funnel is fitted with one type of cartridge or another, it is used in the same way to cap an exhaust pipe 14 as shown in FIG. 7.

A l'examen de cette figure on voit que ce tuyau 14 a été inséré à force dans l'entonnoir 1 jusqu'à se plaquer contre sa paroi intérieure grâce aux créneaux la. Cette insertion s'est accompagnée du rabattement des secteurs de la membrane 13 vers l'intérieur, secteurs qui se plaquent et enserrent ledit tuyau en le maintenant fermement en position. Ce rabattement est rendu possible du fait même de la réalisation des découpes en étoile dans la membrane 13. On examination of this figure, it can be seen that this pipe 14 has been force-fitted into the funnel 1 until it is pressed against its inner wall thanks to the slots la. This insertion was accompanied by the folding of the sectors of the membrane 13 towards the inside, sectors which flatten and enclose said pipe while holding it firmly in position. This folding is made possible by the very fact of the realization of the star cuts in the membrane 13.

Avec un tel montage, on constate que l'expulsion ou la désolidarisation du tuyau 14 est empêchée malgré les fortes pressions des gaz expulsés et que l'ensemble peut ainsi rester monté pendant une durée appréciable, résultat qui n'était pas atteint avec les dispositifs de fixations jusqu'à présent connus.  With such an assembly, it can be seen that the expulsion or separation of the pipe 14 is prevented despite the high pressures of the gases expelled and that the assembly can thus remain mounted for an appreciable duration, a result which was not achieved with the devices. previously known fasteners.

Il va de soi que la présente invention n'a été décrite qu'à titre purement explicatif et nullement limitatif et que toute modification utile pourra y être apportée sans sortir de son cadre.  It goes without saying that the present invention has been described for purely explanatory and in no way limitative and that any useful modification may be made without departing from its scope.

Claims (3)

REVENDICATIONS 1) Entonnoir à cartouche filtrante changeable destiné à être monté sur les pots d'échappement des véhicules automobiles comprenant des moyens de fixation et de serrage sur lesdits tuyaux d'échappement caractérisé par le fait que ces moyens comportent une membrane (13) souple découpée en forme d'étoile rendue solidaire de la base de l'entonnoir (1) recevant le tuyau d'échappement (14). 1) Changeable filter cartridge funnel intended to be mounted on the exhaust pipes of motor vehicles comprising fixing and clamping means on said exhaust pipes characterized in that these means comprise a flexible membrane (13) cut into star shape made integral with the base of the funnel (1) receiving the exhaust pipe (14). 2) Entonnoir selon la revendication 1, caractérisé par le fait que ladite membrane (13) est portée par une bague (2) elle-même portée par ladite base. 2) Funnel according to claim 1, characterized in that said membrane (13) is carried by a ring (2) itself carried by said base. 3) Entonnoir selon la revendication 1 ou 2, caractérisé par le fait que ladite bague (2) est rendue solidaire de ladite base par collage, vissage et autre moyen d'assemblage équivalent.  3) Funnel according to claim 1 or 2, characterized in that said ring (2) is made integral with said base by gluing, screwing and other equivalent assembly means.
FR9009673A 1990-07-30 1990-07-30 Funnel with exchangeable filter cartridge intended to be mounted on exhaust gas silencers of motor vehicles Pending FR2665217A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9009673A FR2665217A1 (en) 1990-07-30 1990-07-30 Funnel with exchangeable filter cartridge intended to be mounted on exhaust gas silencers of motor vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9009673A FR2665217A1 (en) 1990-07-30 1990-07-30 Funnel with exchangeable filter cartridge intended to be mounted on exhaust gas silencers of motor vehicles

Publications (1)

Publication Number Publication Date
FR2665217A1 true FR2665217A1 (en) 1992-01-31

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004039476A1 (en) * 2002-10-28 2004-05-13 Donaldson Company, Inc. Air cleaner; replaceable filter cartridges; and, methods
US8038756B2 (en) 2007-07-20 2011-10-18 Donaldson Company, Inc. Air cleaner arrangements; components; and, methods
US8273143B2 (en) 2006-10-06 2012-09-25 Donaldson Company, Inc. Air cleaner, replaceable filter cartridges, and methods
US8292984B2 (en) 2007-07-20 2012-10-23 Donaldson Company, Inc. Air cleaner arrangments with end support for cartridge; components; and, methods
US8414675B2 (en) 2007-04-03 2013-04-09 Donaldson Company, Inc. Air cleaner; air filter cartridge and method of manufacturing
USD763426S1 (en) 2015-04-17 2016-08-09 Baldwin Filters, Inc. Filter element
US10081937B2 (en) * 2014-09-30 2018-09-25 Omnimax International, Inc. Universal drain cuff
WO2019221824A1 (en) * 2018-05-15 2019-11-21 Christopher Dean The muffler filter
US11504664B2 (en) 2017-05-09 2022-11-22 Donaldson Company, Inc. Adapter and air filter cartridge being adapted for use with such an adapter

Citations (2)

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Publication number Priority date Publication date Assignee Title
US2192922A (en) * 1937-09-20 1940-03-12 Lyon George Albert Exhaust pipe extension
GB779980A (en) * 1956-01-03 1957-07-24 Waldes Kohinoor Inc Improvements in permanent connections between cylindrical members of different diameters

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2192922A (en) * 1937-09-20 1940-03-12 Lyon George Albert Exhaust pipe extension
GB779980A (en) * 1956-01-03 1957-07-24 Waldes Kohinoor Inc Improvements in permanent connections between cylindrical members of different diameters

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
REVUE TECHNIQUE AUTOMOBILE vol. 42, no. 483, Septembre 1987, BOULOGNE-BILLANCOURT, FRANCE page 79; 'Un filtre d'échappement adaptable sur véhicule circulant dans un lieu clos' *

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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