WO2012083405A1 - Fuel filter - Google Patents
Fuel filter Download PDFInfo
- Publication number
- WO2012083405A1 WO2012083405A1 PCT/BR2011/000498 BR2011000498W WO2012083405A1 WO 2012083405 A1 WO2012083405 A1 WO 2012083405A1 BR 2011000498 W BR2011000498 W BR 2011000498W WO 2012083405 A1 WO2012083405 A1 WO 2012083405A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- lid
- filter element
- filter
- annular
- Prior art date
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 45
- 230000000717 retained effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 27
- 238000001914 filtration Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 210000002105 tongue Anatomy 0.000 claims description 4
- 239000000463 material Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 239000004952 Polyamide Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229920006238 degradable plastic Polymers 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000750 progressive effect Effects 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
-
- 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
- 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
- B01D2201/29—Filter cartridge constructions
- B01D2201/291—End caps
- B01D2201/295—End caps with projections extending in a radial outward direction, e.g. for use as a guide, spacing means
-
- 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
- B01D2201/302—Details of removable closures, lids, caps, filter heads having inlet or outlet ports
-
- 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
- B01D2201/304—Seals or gaskets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/34—Seals or gaskets for filtering elements
-
- 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
- B01D2201/4046—Means for avoiding false mounting of different parts
-
- 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
- B01D2201/4076—Anti-rotational means
Definitions
- the present invention refers to a new construction for an inline filter to be applied to a fuel feed piping for different equipment and installations, being particularly suited to be assembled to the fuel feed piping of internal combustion engines such as, for example, those mounted on different types of vehicles.
- inline filters of the type comprising a generally cylindrical tubular housing, which houses a filter element and is provided with an inlet nozzle and an outlet nozzle which axially project from opposite ends of the tubular housing, to be connected in series to a respective fuel feed piping of a machine or equipment.
- said inline filter has relatively little room to be installed, as is the case in motor vehicles, in which the longitudinal length of the fuel piping to be replaced by the inline filter is usually small, limiting the total length of the filter.
- each end nozzle usually built in the form of a quick coupling element, which is configured to receive a connecting element previously attached to a respective end of the fuel piping, in order to allow quick and easy filter assembly and disassembly operations in relation to said piping, which is usually of flexible material, rubber for example.
- the known end axial nozzles of the quick connect type cause a relevant head loss during the passage of the fuel through the filter, overloading the fuel pump.
- the progressive increase in head loss at the filter element caused by the continuous accumulation of impurities, added to the head loss on the housing nozzles, causes the opening of the valve of the return piping of the pump in an operational condition of the filter which, if not for the high head loss at the nozzles, would only occur after a longer period of operation of the filter.
- the inline fuel filters present: a housing which is mandatorily discarded together with the filter element sealed in the interior of the housing; a relatively reduced filtration area in relation to the flow required for the fuel and to the axial dimension of the opposite nozzles and of their connections to the fuel feed piping; and also an excessive and undesirable head loss.
- the present invention has as one object to provide a fuel filter to be applied to a fuel feed piping in different equipment and installations and which allows, by means of a simple construction, an easy and quick replacement of the filter element only, while the tubular housing remains coupled to the feed piping on which the filter is installed.
- the present invention has the further object of providing a fuel filter, such as defined above, which presents an increased filtration capacity within the same physical room for installation, and also relatively reduced head losses, allowing for a substantial increase in the lifespan of the filter element.
- the present filter is of the type comprising: a housing having a tubular lateral wall, a closed end wall incorporating an inlet nozzle, and an open end; a lid hermetically retained against the open end of the housing and incorporating an outlet nozzle; and a tubular filter element having a peripheral wall defining a filtration means and being housed inside the housing, to define, together with the tubular lateral wall of the latter, an annular fuel admission chamber, said filter element having a first closed end, and a second end which is seated against the lid and communicates the interior of the filter element with the lid outlet nozzle.
- the housing has the open end thereof provided with an outer thread and with a stop means against which the lid is seated, at least one of the parts, defined by the open end of the housing and by the lid, carrying a sealing means seated against the other of said parts.
- the filter further comprises a nut to be engaged to said outer thread of the housing and to the lid, maintaining the latter hermetically seated on the housing and retained against the stop means.
- Figure 1 represents an exploded perspective view of the filter of the present invention
- Figure 2 represents an enlarged exploded view of the lid and of the upper portion of the housing illustrated in figure 1 ;
- Figure 3 represents a bottom perspective view of the filter element
- Figure 4 represents a longitudinal diametral cross- sectional view of the present filter
- Figure 5 represents a cross-sectional view of the filter, taken along line V-V in figure 4;
- Figure 6 represents an enlarged view of the upper portion of the filter illustrated in figure 4, with the housing and filter element being only partially illustrated;
- Figure 7 represents an enlarged view of the bottom of the filter illustrated in figure 4, with the housing and filter element being only partially illustrated. Description of the Invention
- the present fuel filter is of the type comprising a housing 10 built in any suitable material, such as polyamide or even in metal sheet, having a tubular lateral wall 11 and a closed end wall 12 which incorporates, preferably in a single piece, an inlet nozzle 13 projecting axially outwards from the closed end wall 12 and being externally configured as a "fishbone", in order to be easily introduced into an adjacent end of a fuel feed piping (not illustrated) which is normally made of rubber or like material .
- the housing 10 further presents an open end 14 opposite to the closed end wall 12 and which is preferably defined by an enlarged cylindrical nozzle 15 provided with an outer thread 16. Said open end 14 is further provided with a stop means 17, defined by an annular step 17a, which is formed by the enlarged cylindrical nozzle 15 inside the tubular lateral wall 11 of the housing 10.
- the present filter further comprises a lid 20 hermetically retained against the open end 14 of the housing 10 and incorporating, preferably in a single piece, an outlet nozzle 21 which projects axially outward and is externally configured as a "fishbone", in the same way and for the same reason already described in relation to the inlet nozzle 13.
- the "fishbone" construction of the inlet nozzle 13 and outlet nozzle 21 allows their easy retention inside the respective sections of the fuel feed piping, with the help of simple tightening rings or clamps (not illustrated) provided around the piping sections telescopically fitted over said inlet nozzle 13 and outlet nozzle 21.
- the lid 20 built in injected plastic material, such as polyamide or other adequate material, incorporates a peripheral skirt 22 hermetically fitted inside the enlarged cylindrical nozzle 15 and having an end edge 22a seated against the stop means 17 which, in the illustrated embodiment, takes the form of the annular step 17a.
- the lid 20 may present forms other than the one illustrated, as long as it can be seated and retained against a stop means 17 defined on the open end 14 of the housing 10, which stop means may be defined by means other than the one formed by the annular step 17a.
- the stop means 17 could be defined by the upper edge itself of the open end 14 of the housing 10.
- the peripheral skirt 22 of the lid 20 is externally provided with at least one circumferential rib 23 housing a sealing means 30 in the form of an elastic ring, which cooperates with the confronting region of the enlarged cylindrical nozzle 15.
- sealing means 30 may be built in different manners, as long as it is carried by at least one of the parts defined by the open end 14 of the housing 10 and by the lid 20, in order to be seated against the other of said parts, assuring the adequate tightness of the closure of the open end 14 of the housing 10 by the lid 20.
- the enlarged cylindrical nozzle 15 may incorporate a plurality of end axial tongues 18 spaced apart from each other, the lid 20 incorporating an external circumferential flange 24 provided with a plurality of windows 25, inside each window being fitted a respective end axial tongue 18 of the enlarged cylindrical nozzle 15, upon the assembly of the lid 20 on the open end 14 of the housing 10.
- the present filter further comprises a nut 40 to be engaged to said outer thread 16 and to the lid 20, in order to keep the latter hermetically seated and retained against the stop means 17, that is, to keep an outer edge 22a of the peripheral skirt 22 of the lid 20 seated against the annular step 17a.
- the nut 40 incorporates, in an end opposite to the annular step 17a, an inner circumferential flange 41, which is seated on the peripheral region of the lid 20, usually defined by the outer peripheral flange 24 of the lid 20, in order to allow that, by means of the tightening of the nut 40, the lid 20 is pressed against the stop means 17 and maintained hermetically fitted thereto by actuation of the sealing means 30 against the confronting internal regions of the enlarged cylindrical nozzle 15 of the housing 10.
- the fuel filter further comprises a filter element 50 of tubular shape, having a peripheral wall 51 whose radial thickness defines a filtration means, usually made of filter paper, and through which the fuel is filtered in an inward radial trajectory.
- the filter element 50 is housed inside the housing 10, defining, therewith, an annular chamber C for fuel admission, the filter element 50 having a closed first end 52, and a second end 53, which is seated against the lid 20 and communicates the interior of the filter element 50 with the outlet nozzle 21 of the lid 20.
- the first end 52 of the filter element 50 is closed by a blind flange 60, usually built in plastic material and comprising: an annular portion 61 which is hermetically incorporated, preferably by thermofusion, to the adjacent end of the peripheral wall 51 of the filter element 50 and carrying spacing axial projections 62 seated against the closed end wall 12 of the housing 10; and a central cap 63 curved inwardly to the filter element 50. and axially aligned with the inlet nozzle 13.
- the annular portion 61 of the blind flange 60 defines, peripherally and together with a confronting portion of the tubular lateral wall 11 of the housing 10, a fluid communication CF between the inlet nozzle 13 and annular chamber C of fuel admission.
- the blind flange 60 defines a single piece which completely seals the adjacent first end 52 of the filter element 50, having the central cap 63 thereof being configured and positioned in order to operate as a deflector for the fuel flow entering inside the housing 10, driving this flow radially outwards, towards the peripheral region of the blind flange 60 and to the fluid communication CF with the annular chamber C.
- the blind flange 60 has a peripheral contour slightly smaller than the inner peripheral contour of the confronting portion of the tubular lateral wall 11 of the housing 10, the fluid communication CF between the inlet nozzle 13 and the annular chamber C being obtained by a plurality of peripheral radial recesses 64 provided on said annular portion 61 of the blind flange 60.
- the second end 53 of the filter element 50 is closed by an annular flange 70 which is hermetically incorporated, preferably by thermofusion, to the adjacent end of the peripheral wall 51 of the filter element 50.
- the annular flange 70 preferably built of injected plastic material, carries spacing axial projections 72, seated against the lid 20 and presenting a central orifice 73, open to the interior of the filter element 50 and to the outlet nozzle 21, said annular flange 70 having a peripheral edge 74 which is seated, in a tight and hermetic manner, against a confronting inner portion of the peripheral skirt 22 of the lid 20.
- the lid 20 incorporates an inner tubular neck 27 which is dimensioned and configured to be tightly fitted in the central orifice 73 of the annular flange 70 of the filter element 50, the inner tubular neck 27 being open to the inside of the outlet nozzle 21 through the lid 20.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112013016155A BR112013016155A2 (en) | 2010-12-23 | 2011-12-22 | fuel filter |
US13/996,568 US20140001113A1 (en) | 2010-12-23 | 2011-12-22 | Fuel filter |
CN2011800665480A CN103476473A (en) | 2010-12-23 | 2011-12-22 | Fuel filter |
JP2013544977A JP2014505822A (en) | 2010-12-23 | 2011-12-22 | Fuel filter |
EP11810782.0A EP2654917A1 (en) | 2010-12-23 | 2011-12-22 | Fuel filter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI1005768-4A BRPI1005768A2 (en) | 2010-12-23 | 2010-12-23 | fuel filter |
BRPI1005768-4 | 2010-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012083405A1 true WO2012083405A1 (en) | 2012-06-28 |
Family
ID=45507318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/BR2011/000498 WO2012083405A1 (en) | 2010-12-23 | 2011-12-22 | Fuel filter |
Country Status (6)
Country | Link |
---|---|
US (1) | US20140001113A1 (en) |
EP (1) | EP2654917A1 (en) |
JP (1) | JP2014505822A (en) |
CN (1) | CN103476473A (en) |
BR (2) | BRPI1005768A2 (en) |
WO (1) | WO2012083405A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014179851A1 (en) | 2013-05-10 | 2014-11-13 | Mahle Metal Leve S.A. | Fuel filter with body drain |
WO2014179854A1 (en) * | 2013-05-10 | 2014-11-13 | Mahle Metal Leve S.A. | Structural arrangement for a fuel filter sealing assembly |
WO2014179852A1 (en) | 2013-05-10 | 2014-11-13 | Mahle Metal Leve S.A. | Filter element base and lid for fuel filter |
WO2014179853A1 (en) * | 2013-05-10 | 2014-11-13 | Mahle Metal Leve S.A. | Structural arrangement for fuel filter lid assembly |
US10960356B2 (en) | 2016-03-28 | 2021-03-30 | Nitto Denko Corporation | Membrane module |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014001722B4 (en) * | 2014-02-11 | 2017-02-02 | Mann+Hummel Gmbh | Filter housing and fluid filter |
DE102014011394B4 (en) | 2014-08-05 | 2017-01-12 | Mann + Hummel Gmbh | Oil filter element and oil filter |
JP6679319B2 (en) * | 2016-01-18 | 2020-04-15 | 株式会社ケーヒン | Filtration device |
US10589203B1 (en) * | 2018-11-07 | 2020-03-17 | Hydac Technology Corporation | Filter device |
JP7070462B2 (en) * | 2019-02-21 | 2022-05-18 | 株式会社デンソー | Hose joints and washer devices for vehicles |
CN110318841A (en) * | 2019-07-11 | 2019-10-11 | 浙江优陆汽车配件有限公司 | Environment-friendly type oil filter |
US11707703B2 (en) * | 2020-04-27 | 2023-07-25 | Caterpillar Inc. | Filter element integrated seal profile |
BR112023001671A2 (en) | 2020-07-31 | 2023-02-23 | Donaldson Co Inc | VALVE ARRANGEMENT, LIQUID FILTERS, FILTER ASSEMBLY AND METHOD |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4226267A1 (en) * | 1992-08-08 | 1994-02-10 | Knecht Filterwerke Gmbh | Filters for liquids |
US20010002007A1 (en) * | 1998-02-06 | 2001-05-31 | Frank J. Zupan | Easy-change fuel filter |
US20040154975A1 (en) * | 2001-06-12 | 2004-08-12 | Giorgio Girondi | Liquid filter for vehicle internal combustion engines |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3696932A (en) * | 1970-09-30 | 1972-10-10 | Pall Corp | Disposable filter assembly |
US4988437A (en) * | 1989-10-19 | 1991-01-29 | Arneson Products, Inc. | In-line leaf trap |
US5035797A (en) * | 1990-02-14 | 1991-07-30 | Stanadyne Automotive Corp. | Key system for filter assembly |
JPH0544205U (en) * | 1991-11-21 | 1993-06-15 | 京三電機株式会社 | Fuel filter |
DE4430471A1 (en) * | 1994-08-27 | 1996-02-29 | Bosch Gmbh Robert | Liquid filter with built-in pressure regulator |
JP4136093B2 (en) * | 1998-07-17 | 2008-08-20 | 本田技研工業株式会社 | Filter device |
EP0972554B1 (en) * | 1998-07-17 | 2005-05-04 | Honda Giken Kogyo Kabushiki Kaisha | Filter device |
DE10003993A1 (en) * | 2000-01-29 | 2001-08-23 | Bosch Gmbh Robert | Filter insert for a liquid filter |
US20020100723A1 (en) * | 2001-01-30 | 2002-08-01 | John Courtney | Water filtration system |
US7458468B2 (en) * | 2003-08-05 | 2008-12-02 | Purolator Filters Na Llc | Fuel filter diverter |
JP2005344692A (en) * | 2004-06-07 | 2005-12-15 | Hitachi Ltd | Fuel feeder |
US7335300B1 (en) * | 2004-07-14 | 2008-02-26 | Wix Filtration Corp Llc | Fluid filter element |
US20070095744A1 (en) * | 2005-11-01 | 2007-05-03 | Bagci Ismail C | Fluid filter with open-end flow, replaceable cartridge |
US8349180B2 (en) * | 2006-09-05 | 2013-01-08 | Pall Corporation | Filter elements and assemblies |
DE202007013281U1 (en) * | 2007-09-21 | 2007-11-22 | A. Kayser Automotive Systems Gmbh | liquid filters |
-
2010
- 2010-12-23 BR BRPI1005768-4A patent/BRPI1005768A2/en not_active IP Right Cessation
-
2011
- 2011-12-22 JP JP2013544977A patent/JP2014505822A/en active Pending
- 2011-12-22 US US13/996,568 patent/US20140001113A1/en not_active Abandoned
- 2011-12-22 EP EP11810782.0A patent/EP2654917A1/en not_active Withdrawn
- 2011-12-22 BR BR112013016155A patent/BR112013016155A2/en not_active Application Discontinuation
- 2011-12-22 CN CN2011800665480A patent/CN103476473A/en active Pending
- 2011-12-22 WO PCT/BR2011/000498 patent/WO2012083405A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4226267A1 (en) * | 1992-08-08 | 1994-02-10 | Knecht Filterwerke Gmbh | Filters for liquids |
US20010002007A1 (en) * | 1998-02-06 | 2001-05-31 | Frank J. Zupan | Easy-change fuel filter |
US20040154975A1 (en) * | 2001-06-12 | 2004-08-12 | Giorgio Girondi | Liquid filter for vehicle internal combustion engines |
Non-Patent Citations (1)
Title |
---|
See also references of EP2654917A1 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014179851A1 (en) | 2013-05-10 | 2014-11-13 | Mahle Metal Leve S.A. | Fuel filter with body drain |
WO2014179854A1 (en) * | 2013-05-10 | 2014-11-13 | Mahle Metal Leve S.A. | Structural arrangement for a fuel filter sealing assembly |
WO2014179852A1 (en) | 2013-05-10 | 2014-11-13 | Mahle Metal Leve S.A. | Filter element base and lid for fuel filter |
WO2014179853A1 (en) * | 2013-05-10 | 2014-11-13 | Mahle Metal Leve S.A. | Structural arrangement for fuel filter lid assembly |
US10960356B2 (en) | 2016-03-28 | 2021-03-30 | Nitto Denko Corporation | Membrane module |
Also Published As
Publication number | Publication date |
---|---|
BRPI1005768A2 (en) | 2013-04-24 |
US20140001113A1 (en) | 2014-01-02 |
JP2014505822A (en) | 2014-03-06 |
EP2654917A1 (en) | 2013-10-30 |
BR112013016155A2 (en) | 2017-09-19 |
CN103476473A (en) | 2013-12-25 |
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