WO1999051318A1 - Boitier de filtre a embase en matiere plastique renforcee - Google Patents
Boitier de filtre a embase en matiere plastique renforcee Download PDFInfo
- Publication number
- WO1999051318A1 WO1999051318A1 PCT/FR1999/000750 FR9900750W WO9951318A1 WO 1999051318 A1 WO1999051318 A1 WO 1999051318A1 FR 9900750 W FR9900750 W FR 9900750W WO 9951318 A1 WO9951318 A1 WO 9951318A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- base
- cover
- filter housing
- filter
- liquid
- Prior art date
Links
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
- 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
- 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
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/147—Bypass or safety valves
-
- 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
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/153—Anti-leakage or anti-return valves
-
- 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
- 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
Definitions
- the present invention relates to a liquid filter housing for an internal combustion engine, the liquid to be filtered preferably being oil.
- the invention relates more particularly to those comprising:
- a base provided with a bottom which comprises a central passage and at least one lateral passage offset with respect to the central duct and parallel to said duct, this central passage and this lateral passage constituting one, an inlet for liquid to be filtered and the other, a liquid outlet, the bottom of the base having an external face which is provided with an annular seal surrounding both the central passage and the lateral passage, the central passage being delimited by an axial tube threaded which is intended to be connected by screwing to a first liquid conduit which communicates with the motor and which is integral with a support surface into which opens a second liquid conduit communicating with the motor, this connection being made by tightening the annular seal at the bottom of the base against the support surface, to make the second liquid conduit communicate with the lateral passage at the bottom of the base, - and a cover fixed to the base by delimiting with it a hollow interior volume which is intended to receive a filter element interposed between the inlet and the outlet of liquid.
- the cover and the base are made of stamped sheet metal, and 2 are fixed to each other definitively by crimping, after insertion of the filter element in the housing.
- This type of housing has the drawback of being difficult to recycle.
- the filter element is dirty, it is necessary to change the whole housing when it would suffice to replace only this filter element.
- a filter housing of the kind in question is essentially characterized in that the cover is detachably fixed on the base, the removal of the cover allowing the replacement of the filter element, in that the cover and the base include quick fixing means adapted to allow mounting and dismantling of the cover by rotation of said cover, and in that the cover and the base are made of molded plastic, an annular metal insert reinforcement being embedded in the bottom of the base, this metal insert extending radially outward from an inner edge to an outer edge which is close to the seal at the bottom of the base, the edge interior of the insert being mechanically connected to the axial tube at the bottom of the base so that the insert is biased towards the support surface when said axial tube is connected to the first liquid conduit.
- a filter housing is obtained, the filter element of which is interchangeable, the cost price of which is low due to the use of plastic material for producing the means for rapid fixing of the cover to the base, and whose base has a 3 good mechanical resistance to pressure, temperature and tightening thanks to the metal insert, the bottom of the base having to withstand a pressure of the order of 15 bars for an oil at 130 ° and 25 bars for an oil at 20 ° C.
- the quick fixing means comprise two complementary screw threads respectively provided on the base and the cover so as to screw the cover directly onto the base;
- the inner edge of the metal insert is integral with the axial tube at the bottom of the base;
- the axial tube extends towards the hood and is internally threaded
- the axial tube extends in the direction opposite to the cover and is externally threaded
- the axial screwable tube is provided with an enlarged head which abuts against the inner edge of the metal insert, this enlarged head being located towards the inside of the housing relative to the metal insert;
- the metal insert has a convex shape facing the external face of the bottom of the base;
- the filter element comprises a frame and a filter wall which is carried by this frame and which has an end provided with a flange, a crown having come integrally with the base of the base, on an internal face opposite to the external face, at a location located between the central passage and the offset passage, to come into tight contact with said flange;
- - ribs for centering the frame of the filter element relative to the central passage are 4 integral with the crown and are directed axially inside the crown;
- an inlet valve is fitted on the crown and is held in place by a peripheral rim made integrally with this crown.
- the present invention further relates to a device comprising a housing as defined above, this housing being connected to the support surface with the first and second liquid conduits of the engine, which liquid conduits belong to the oil circuit of the engine.
- FIG. 1 is a view schematic in axial section of an oil filter housing according to a first embodiment of the invention
- - Figure 2 is a side view of the oil filter housing of Figure 1 attached to a support surface of the engine
- Figure 3 is a schematic view in axial section of an oil filter housing according to a second embodiment of the invention
- FIG. 4 is a schematic view in axial section of an oil filter housing according to a third embodiment of the invention.
- the filter will be described in a 5 particular position, the vertical position, the cover being directed upwards.
- this position is not limiting, and the filter could possibly be used in another position.
- the oil filter housing 1 consists of a base 2 on which a removable cover 3 is mounted so as to form a hollow interior volume 4 intended to receive a filter element 5.
- the base 2 and the removable cover 3 respectively comprise lateral walls, ⁇ and 7 which, in the example shown, have a cylindrical shape of revolution around a common axis X-X.
- the base 2 extends between a first open end 8 or upper end and a second end 9 or lower end closed by a bottom 10.
- the base 2 thus has a cross section, in the form of a straight U and is intended to be mounted in a fixed position, for example by screwing directly onto a support surface 14
- the removable cover 3 extends between a first open end 11 or lower end and a second end 12 or upper end closed by a curved wall 13.
- the removable cover 3 thus has a shape, in cross section, of U overturned on the fixed base 2.
- the cover 3 is immobilized on the base 2 by quick fixing means 15 adapted to allow mounting and dismounting by rotation of the cover 3.
- the cover 3 is screwed, by its lower end 11, to the upper end 8 of the side wall 6 of the base 2 by means of two threads l ⁇ formed on each of these extremities.
- the base 2 and the cover 3 are injection molded from a plastic material, for example polyamide 6-6. Other materials could however be considered without departing from the scope of the invention.
- the cover could also be fixed to the side wall of the base by any other means allowing rapid mounting or dismounting of said cover, for example a bayonet mounting, or even mounting via a ring and covering partially the cover and itself screwed or fixed by a bayonet mount to the side wall of the base.
- This element also has, in the example shown, a cylindrical shape of revolution with a vertical axis XX. It comprises, in a manner known per se, a filtering side wall 18. This is made for example of pleated filter paper and is generally arranged around a rigid frame 19. The frame 19 is itself cylindrical, of axis XX, and delimits a hollow interior space 20 which communicates with the filter paper of the lateral filtering wall 18 by means of several openings 21 formed in the frame 19.
- the filtering wall 18 also extends 7 between a lower end 34a and an upper end 34b. These ends carry annular flanges 33a and 33b, the plane of which is perpendicular to the axis XX.
- the frame 17 supports, in a manner known per se, a valve system 50 which extends to the vicinity of the upper end 34b of the filter wall 18, in sealed contact with the flange 33b. This valve makes it possible, when the filter wall 18 is too fouled by impurities, to circulate the oil, between the filter wall 18 and the side wall 7 of the cover 3 so that the oil flows in the frame 20, by passing over the flange 33b of the filtering wall 18.
- the oil to be filtered arrives in the closed volume 4 by lateral passages 23 offset from the axis XX and formed in the bottom 10 of the base 2, then passes radially through the annular filtering wall 18 of the filter element 5, and finally flows through a central passage 25 also formed in the bottom 10 of the base 2 and axis XX.
- This central passage is delimited by a threaded axial tube 24 to be screwed to a first conduit 26 of an engine oil circuit.
- the lateral passages 23 are intended to be connected to a second conduit 27 of said oil circuit.
- a ring 30 has come in one piece with the bottom 10 of the base 2, on the internal face 31 of this bottom, extending towards the upper end 8 of the base.
- This ring is located between the central passage 25 and the offset passages 23.
- the filter element 5 comes into sealed axial abutment against the latter by means of the flange 33a.
- the crown 30 also has three radial ribs 35 regularly distributed on its inner periphery, in order to center this filter element.
- annular groove 36 is formed on the lower face 32 or external face of the bottom 10. This annular groove 36 is located beyond, relative to the axis XX, the position of the offset passages 23 for the oil inlet. An O-ring seal 37 is placed inside this groove 36.
- a metal insert 40 intended to reinforce this bottom to resist the incoming and outgoing oil pressures by the offset passages 23 and the central passage 25 .
- the metal insert 40 is of annular shape so as to extend over the entire surface of the bottom 10, beyond the location of the annular groove 36.
- a central recess 41 and offset recesses 42 and 43 are formed respectively opposite the central passage 25 and the offset passages 23 of the bottom 10 of the base 2.
- the annular shape of the metal insert 40 has an inner peripheral edge 44 and an outer peripheral edge 45.
- the inner peripheral edge 44 is mechanically connected to the central tube 24 of the bottom 10 of the base 2 having come integrally therewith. This tube then extends towards the upper end 8 of the base 2 and is internally threaded so as to be screwed onto the first conduit 26 itself externally threaded.
- the inner peripheral edge 44 of the insert 40 is, as in the first embodiment, formed integrally with the central tube 24 of the bottom 10 of the base 2.
- This third mode differs from the first in that the tube 24 extends in the direction opposite to the upper end 8 of the base and is externally threaded to be screwed onto the first conduit 26.
- the metal insert 40 has a convex shape in the direction of the internal face 31 of the base 2 while the external peripheral edge 45 is bent towards this external face.
- a molded inlet valve 51 is fitted onto the crown 30 and is held in place on the internal face 31 of the base 10 by a peripheral rim 52 made integrally with this crown. This valve prevents the return of oil through the inlet passages 27.
- the filter housing 1 according to the present invention described above can be easily immobilized by screwing on the support surface 14 of the engine.
- the metal insert 40 embedded in the bottom 10 is then biased towards this support surface and allows this bottom to resist the incoming and outgoing oil pressure.
- the filter element 5 it suffices to unscrew the cover 3 from the base 2, the latter remaining fixed to the motor.
- the used filter element 5 can then be removed and a new element 10 clean filter can be positioned inside the base 2 which is then closed by screwing the cover 3 again.
- Liquid filter housing for an internal combustion engine comprising: - a base (2) provided with a bottom (10) which comprises a central passage (25) and at least one offset lateral passage (23) relative to the passage central (25) and parallel to said passage (25), this central passage (25) and this lateral passage (23) constituting one, an inlet for liquid to be filtered and the other, a liquid outlet, the bottom (10 ) of the base (2) having an external face (32) which is provided with an annular seal (37) surrounding both the central passage (25) and the lateral passage (23), the central passage (25) being delimited by a threaded axial tube (24) which is intended to be connected by screwing to a first liquid conduit (26) which communicates with the motor and which is integral with a support surface (14) in which opens a second liquid conduit (27) communicating with the motor, this connection being made by tightening the seal annular (37) from the bottom (10) of the base (2) against the support surface (14), to make the second liquid conduit (27) communicate with the lateral passage (23) of the bottom (10) of the
- a cover (3) fixed to the base (2) defining with it a hollow interior volume (4) which is intended to receive a filter element (5) interposed between the inlet and the outlet of liquid, characterized in that the cover (3) is removably fixed on the base (2), the removal of the cover (3) allowing the replacement of the filter element (5), 12 in that the cover (3) and the base (2) comprise quick fixing means (15) adapted to allow mounting and removal of the cover (3) by rotation of said cover (3), and in that the cover (3) and the base (2) are made of molded plastic, an annular metal reinforcement insert (40) being embedded in the bottom (10) of the base (2), this metal insert (40) extending radially outward from an inner edge (44) to an outer edge (45) which is adjacent to the seal (37) at the bottom (10) of the base (2), the edge interior (44) of the insert (40) being mechanically connected to the axial tube (24) of the bottom (10) of the base (2) so that the insert (40) is biased towards the support surface (14 ) when connecting said axial tube (24) to the
- liquid filter housing according to claim 1 or 2 wherein the inner edge (44) of one metal insert (40) is integral with the axial tube (24) of the bottom (10) of the base (2) . 4. A liquid filter housing according to claim 3, wherein the axial tube (24) extends in the direction of the cover (3) and is internally threaded.
- Liquid filter housing according to any one of claims 1 to 6, in which the metal insert (40) has a curved shape in the direction opposite to the external face (32) of the bottom (10) of the base. (2).
- the filter element (5) comprises a frame (19) and a filter wall (18) which is carried by this frame (19) and which has one end (34a) provided with a flange (33a), a crown (30) having come integrally with the bottom (10) of the base (2), on an internal face (31) opposite the face external (32), at a location between the central passage (25) and the offset passage (23), to come into tight contact with said flange (33a).
- a liquid filter housing according to claim 8 in which centering ribs (35) of the frame (19) of the filter element (5) relative to the central passage (25) have come integrally with the crown (30) and are directed axially inside the crown (30).
- a filtration device comprising the housing and the filter element according to any one of the preceding claims, the housing (1) being connected to the support surface (14) with the first (26) and second conduits (27) of engine oil.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
Description
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99910469A EP1069933A1 (fr) | 1998-04-02 | 1999-03-31 | Boitier de filtre a embase en matiere plastique renforcee |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9804113A FR2776938B1 (fr) | 1998-04-02 | 1998-04-02 | Filtre rechargeable surmoule |
FR98/04113 | 1998-04-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999051318A1 true WO1999051318A1 (fr) | 1999-10-14 |
Family
ID=9524786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1999/000750 WO1999051318A1 (fr) | 1998-04-02 | 1999-03-31 | Boitier de filtre a embase en matiere plastique renforcee |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1069933A1 (fr) |
AR (1) | AR018813A1 (fr) |
FR (1) | FR2776938B1 (fr) |
WO (1) | WO1999051318A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001019491A1 (fr) * | 1999-09-14 | 2001-03-22 | Ing. Walter Hengst Gmbh & Co. Kg | Filtre a liquide |
DE10301360A1 (de) * | 2003-01-16 | 2004-07-29 | Mann + Hummel Gmbh | Ölfilter |
DE202005003047U1 (de) * | 2005-02-24 | 2006-07-06 | Hengst Gmbh & Co.Kg | Füssigkeitsfilter |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2799661B1 (fr) * | 1999-10-18 | 2002-04-12 | Filtrauto | Boitier de filtre a couvercle vissable encliquetable |
ITRE20130045A1 (it) * | 2013-06-17 | 2014-12-18 | Ufi Filters Spa | Cartuccia filtrante e gruppo di filtrazione |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2529092A1 (fr) * | 1982-06-24 | 1983-12-30 | Daimler Benz Ag | Filtre a air pour moteurs a combustion interne, pour compresseurs et autres machines aspirant de l'air |
WO1992017262A1 (fr) * | 1991-03-28 | 1992-10-15 | Knecht Filterwerke Gmbh | Filtre de liquides, notamment filtre a huile pour moteurs a combustion interne |
DE19539918C1 (de) * | 1995-10-27 | 1997-02-06 | Hengst Walter Gmbh & Co Kg | Flüssigkeitsfilter, insbesondere für Öl oder Kraftstoff einer Brennkraftmaschine, und dazu passender maschinenseitiger Filteranschlußflansch |
EP0791387A1 (fr) * | 1996-02-23 | 1997-08-27 | Filtrauto | Filtre à cartouche amovible pour moteur à combustion interne |
-
1998
- 1998-04-02 FR FR9804113A patent/FR2776938B1/fr not_active Expired - Lifetime
-
1999
- 1999-03-30 AR ARP990101447A patent/AR018813A1/es unknown
- 1999-03-31 EP EP99910469A patent/EP1069933A1/fr not_active Withdrawn
- 1999-03-31 WO PCT/FR1999/000750 patent/WO1999051318A1/fr not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2529092A1 (fr) * | 1982-06-24 | 1983-12-30 | Daimler Benz Ag | Filtre a air pour moteurs a combustion interne, pour compresseurs et autres machines aspirant de l'air |
WO1992017262A1 (fr) * | 1991-03-28 | 1992-10-15 | Knecht Filterwerke Gmbh | Filtre de liquides, notamment filtre a huile pour moteurs a combustion interne |
DE19539918C1 (de) * | 1995-10-27 | 1997-02-06 | Hengst Walter Gmbh & Co Kg | Flüssigkeitsfilter, insbesondere für Öl oder Kraftstoff einer Brennkraftmaschine, und dazu passender maschinenseitiger Filteranschlußflansch |
EP0791387A1 (fr) * | 1996-02-23 | 1997-08-27 | Filtrauto | Filtre à cartouche amovible pour moteur à combustion interne |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001019491A1 (fr) * | 1999-09-14 | 2001-03-22 | Ing. Walter Hengst Gmbh & Co. Kg | Filtre a liquide |
DE10301360A1 (de) * | 2003-01-16 | 2004-07-29 | Mann + Hummel Gmbh | Ölfilter |
DE10301360B4 (de) * | 2003-01-16 | 2017-05-04 | Mann + Hummel Gmbh | Ölfilter |
DE202005003047U1 (de) * | 2005-02-24 | 2006-07-06 | Hengst Gmbh & Co.Kg | Füssigkeitsfilter |
Also Published As
Publication number | Publication date |
---|---|
AR018813A1 (es) | 2001-12-12 |
FR2776938A1 (fr) | 1999-10-08 |
FR2776938B1 (fr) | 2000-06-16 |
EP1069933A1 (fr) | 2001-01-24 |
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