DE4239099A1 - Fuel filter - Google Patents

Fuel filter

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Publication number
DE4239099A1
DE4239099A1 DE4239099A DE4239099A DE4239099A1 DE 4239099 A1 DE4239099 A1 DE 4239099A1 DE 4239099 A DE4239099 A DE 4239099A DE 4239099 A DE4239099 A DE 4239099A DE 4239099 A1 DE4239099 A1 DE 4239099A1
Authority
DE
Germany
Prior art keywords
fuel
filter
filter according
fuel filter
housing
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
Application number
DE4239099A
Other languages
German (de)
Other versions
DE4239099C2 (en
Inventor
Hans Gebert
Hans Jensen
Dietmar Sonntag
Elke Bruss
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.)
Mahle Filtersysteme GmbH
Original Assignee
Knecht Filterwerk GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Knecht Filterwerk GmbH filed Critical Knecht Filterwerk GmbH
Priority to DE4239099A priority Critical patent/DE4239099C2/en
Priority to FR9313662A priority patent/FR2698411B1/en
Priority to GB9323763A priority patent/GB2272652B/en
Publication of DE4239099A1 publication Critical patent/DE4239099A1/en
Application granted granted Critical
Publication of DE4239099C2 publication Critical patent/DE4239099C2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B01D29/96—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
    • 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
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/143—Filter condition indicators
    • 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
    • B01D35/18—Heating or cooling the 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
    • B01D35/30—Filter housing constructions
    • B01D35/31—Filter housing constructions including arrangements for environmental protection, e.g. pressure resisting features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/001—Filters in combination with devices for the removal of gas, air purge systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/003—Filters in combination with devices for the removal of liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/24—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by water separating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/30—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/34—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements by the filter structure, e.g. honeycomb, mesh or fibrous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/42—Installation or removal of filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0415—Details of supporting structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/54—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by air purging means

Description

Die Erfindung betrifft einen Kraftstoff-Filter nach dem Oberbegriff des Anspruchs 1.The invention relates to a fuel filter the preamble of claim 1.

Ein solcher Kraftstoff-Filter ist beispielsweise aus der DE-PS 38 29 190 bekannt. Die geschlossene Kraft­ stoff-Filterpatrone ist über ein Schraubgewinde mit einem Filtermontagekopf verbunden und beinhaltet ein Filterelement, das radial innen von einem Wasserab­ scheideelement umgeben ist, wobei das abgeschiedene Wasser in einem Sammelraum im unteren Bereich der Filterpatrone aufgefangen wird. Die Filterpatrone ist zusätzlich mit einer Wasserstandsanzeige ausgerüstet.Such a fuel filter is off, for example DE-PS 38 29 190 known. The closed force Fabric filter cartridge is with a screw thread connected to a filter mounting head and includes a Filter element that radially inwards from a water is surrounded by the separating element, the deposited Water in a collection room in the lower area of the Filter cartridge is collected. The filter cartridge is additionally equipped with a water level indicator.

Die Filterpatrone hat den Nachteil, daß sie als Weg­ werfpatrone ausgebildet ist und somit eventuell wie­ derverwendbare Teile bei ihrem Ersatz unnötigerweise vernichtet werden.The filter cartridge has the disadvantage of being a way throwing cartridge is designed and thus possibly how the usable parts when replacing them unnecessarily be destroyed.

Problem der vorliegenden Erfindung ist es daher, ei­ nen Kraftstoff-Filter mit konstruktiv einfachem Auf­ bau zu finden, bei dem das Filterelement getrennt und umweltfreundlich entsorgt werden kann, wobei die üb­ rigen funktionswichtigen Einzelteile wiederverwendet werden können.The problem of the present invention is therefore to NEN fuel filter with a simple design to find construction where the filter element is separated and can be disposed of in an environmentally friendly manner important functional parts are reused can be.

Die Lösung dieses Problems wird erreicht mit einem Kraftstoff-Filter mit den Merkmalen nach dem Kennzei­ chen des Anspruchs 1.The solution to this problem is achieved with a Fuel filter with the characteristics according to the license plate  chen of claim 1.

Zweckmäßige Ausgestaltungen der Erfindung sind Gegen­ stand der Unteransprüche.Appropriate embodiments of the invention are opposed stood the subclaims.

Zwei Ausführungsbeispiele nach der Erfindung sind in der Zeichnung dargestellt. Es zeigen:Two embodiments according to the invention are in shown in the drawing. Show it:

Fig. 1 einen erfindungsgemäßen Kraftstoff- Filter im Schnitt. Fig. 1 shows a fuel filter according to the invention in section.

Fig. 2 eine zweite Ausführung eines erfindungs­ gemäßen Kraftstoff-Filters im Schnitt. Fig. 2 shows a second embodiment of an inventive fuel filter in section.

Ein Kraftstoff-Filter 1, insbesondere für Diesel­ kraftstoff, besteht aus einem topfförmigen Filterge­ häuse 2, das von einem abnehmbaren Deckel 3, 4 ver­ schlossen wird. Gemäß Fig. 1 ist der Deckel 3 mit dem Filtergehäuse 2 über einen Bajonettverschluß 5 fest verbunden. Die Abdichtung zwischen Deckel 3 und Fil­ tergehäuse 2 erfolgt über eine Dichtung 6. Ein Fil­ terelement 7 im Inneren des Filtergehäuses 2 trennt den Roh- 8 vom Reinraum 9. Das aus zick-zack-förmig gefaltetem Filterbahnenmaterial aus Papier bestehende Filterelement 7 ist an seinen Stirnseiten mit einem Dichtmaterial 10, 11 aus aufschmelzbarem Material als Vlies ausgebildet, das durch Ultraschall- oder induk­ tives Schweißen auf das Filterbahnenmaterial aufge­ schmolzen ist. Das Dichtmaterial 10 liegt dabei an einem Stutzen 12 des Deckels 3, 4 und das Dichtmateri­ al 11 an einem das Filterelement 7 aufnehmenden Trä­ gerteil 13 dicht an, so daß Roh- 8 und Reinraum 9 voneinander getrennt sind. A fuel filter 1 , especially for diesel fuel, consists of a cup-shaped Filterge housing 2 , which is closed by a removable cover 3 , 4 ver. Referring to FIG. 1, the cover 3 with the filter housing 2 is fixedly connected via a bayonet catch. 5 The seal between cover 3 and Fil tergehäuse 2 takes place via a seal 6th A Fil terelement 7 inside the filter housing 2 separates the raw 8 from the clean room 9 . The filter element 7 made of zig-zag folded filter sheet material made of paper is formed on its end faces with a sealing material 10 , 11 made of reflowable material as a fleece, which is melted by ultrasonic or inductive welding onto the filter sheet material. The sealing material 10 lies on a nozzle 12 of the cover 3 , 4 and the Dichtmateri al 11 on a filter element 7 receiving Trä gerteil 13 so that raw 8 and 9 clean room are separated from each other.

Das topfförmige Filtergehäuse 2 bildet mit seinem ge­ schlossenen Ende 14 einen Sammelraum 15 für das aus dem Kraftstoff ausgeschiedene Wasser, das über eine Wasserablaßvorrichtung 16 dem Filter entnommen werden kann. Nahe des Sammelraumes 15 ist oberhalb von die­ sem im Filtergehäuse 2 eine Aussparung 17 vorgesehen, in der das Trägerteil 13 mit seinem unteren Ende 18 über eine Dichtung 19 anliegt. Das Trägerteil 13 aus Kunststoff ist in seinem unteren Bereich 20 oberhalb seines unteren Endes 18 als Hülse 21 ausgebildet, die in eine offene Zarge mit Rippen 22 und Stützringen 23 für das Filterelement 7 übergeht. Außerdem dient das Trägerteil 13 zur Aufnahme einer an sich bekannten PTC-Heizung 24 mit angedeutetem Stromzuführungsteil 25.The cup-shaped filter housing 2 forms with its GE closed end 14 a collecting space 15 for the water separated from the fuel, which can be removed from the filter via a water drain device 16 . Near the collecting space 15 , a recess 17 is provided above the sem in the filter housing 2 , in which the support part 13 abuts with its lower end 18 via a seal 19 . The carrier part 13 made of plastic is formed in its lower region 20 above its lower end 18 as a sleeve 21 which merges into an open frame with ribs 22 and support rings 23 for the filter element 7 . In addition, the carrier part 13 serves to receive a PTC heater 24 known per se with an indicated power supply part 25 .

Radial innerhalb des Filterelementes 7 ist im Rein­ raum 9 ein rohrförmiges Wasserabscheideelement 26 vorgesehen, das gemäß Fig. 1 aus einem nach unten er­ weiterten T-förmigen Hülsenteil 27 und einem rohrför­ migen Abschnitt 28 zusammengesetzt ist. Der rohrför­ mige Abschnitt 28 liegt an dem Stutzen 12 des Deckels 3 an. Weiterhin ist eine feste Verbindung zwischen T- förmigem Hülsenteil 27 bzw. rohrförmigem Abschnitt 28 über Rippen 29 mit dem Trägerteil 13 gegeben. Das T- förmige Hülsenteil 27 ist zur besseren Ableitung des am rohrförmigen Abschnitt 28 abgeschiedenen Wassers mit spiralförmig verlaufenden Stegen 30 versehen.Radially inside the filter element 7 , a tubular water separating element 26 is provided in the clean room 9 , which according to FIG. 1 is composed of a downward-extending T-shaped sleeve part 27 and a tube-shaped section 28 . The rohrför shaped section 28 bears against the socket 12 of the cover 3 . Furthermore, there is a fixed connection between the T-shaped sleeve part 27 or the tubular section 28 via ribs 29 with the carrier part 13 . The T-shaped sleeve part 27 is provided with spirally extending webs 30 for better drainage of the water separated on the tubular section 28 .

Ein Entlüftungsventil 31 ist am Deckel 3, 4 des Kraft­ stoff-Filters 1 befestigt.A vent valve 31 is attached to the cover 3 , 4 of the fuel filter 1 .

Zur Befestigung des Kraftstoff-Filters 1 im Motorraum ist ein Spannband 32 vorgesehen.A tensioning strap 32 is provided for fastening the fuel filter 1 in the engine compartment.

Die Zufuhr des Kraftstoffes erfolgt gemäß Pfeil 33 über eine Leitung 34, die in das Filtergehäuse 2 im unteren Bereich 20 des Trägerteils 13 so mündet, daß der Kraftstoff durch die PTC-Heizung 24 geführt wird. Nach dem Durchströmen des Kraftstoffes durch das Fil­ terelement 7 und der Abscheidung des eventuell ent­ haltenen Wassers an dem Wasserabscheideelement 26 fließt der Kraftstoff beim Ausführungsbeispiel gemäß Fig. 1 innerhalb des T-förmigen Hülsenteils 27 und des rohrförmigen Abschnitts 28 nach oben über eine im Deckel 3 angeformte Leitung 35 gemäß Pfeil 36 ab. Um die mit der Leitung 35 verbundene Kraftstoffleitung beim öffnen des Deckels 3 nur geringfügig zu bela­ sten, wird der Deckel 3 über eine kurze Drehung (Ba­ jonett-Verschluß 5) mit dem Filtergehäuse 2 fest ver­ bunden.The fuel is supplied according to arrow 33 via a line 34 which opens into the filter housing 2 in the lower region 20 of the carrier part 13 so that the fuel is passed through the PTC heater 24 . After flowing through the fuel through the fil terelement 7 and the separation of the possibly ent water on the water separating element 26 , the fuel flows in the embodiment according to FIG. 1 within the T-shaped sleeve part 27 and the tubular section 28 upwards via a in the lid 3rd molded line 35 according to arrow 36 . In order to load the line 35 connected to the fuel line only slightly when opening the cover 3 , the cover 3 is firmly connected to the filter housing 2 via a short rotation (ba jonet closure 5 ).

Das Ausführungsbeispiel gemäß Fig. 2, für das für gleiche Teile die gleichen Bezugszeichen wie in Fig. 1 gewählt werden, unterscheidet sich von dem Ausfüh­ rungsbeispiel gemäß Fig. 1 in den nachfolgenden Merk­ malen:The embodiment according to FIG. 2, for which the same reference numerals as in FIG. 1 are chosen for the same parts, differs from the exemplary embodiment according to FIG. 1 in the following features:

Die Verbindung des Deckels 4 mit dem Filtergehäuse 2 erfolgt durch eine Schraubverbindung 37, wobei zum besseren Drehen des Deckels 4 dieser mit einem durch ein Deckelteil 38 verschließbaren Sechskant 39 verse­ hen ist.The connection of the cover 4 to the filter housing 2 is carried out by a screw connection 37 , which for better rotation of the cover 4 is hen with a lockable by a cover part 38 hexagon 39 verses.

Das Wasserabscheideelement 40 ist einstückig ausge­ bildet und an seinem unteren offenen Ende 41 T-förmig erweitert und an seinem anderen Ende 42 domförmig ge­ schlossen. Das Wasserabscheideelement 40 ist einer­ seits über Rippen 43 fest mit dem Trägerteil 13 ver­ bunden und über Zungen 44 am oberen Stützring 23 ab­ gestützt.The water separator element 40 is formed in one piece and expanded at its lower open end 41 in a T-shape and closed at its other end 42 dome-shaped. The water separating element 40 is on the one hand via ribs 43 fixed to the carrier part 13 and supported by tongues 44 on the upper support ring 23 .

Die Zufuhr des Kraftstoffes erfolgt in gleicher Weise wie beim Ausführungsbeispiel gemäß Fig. 1. Nach Durchströmen des Filterelementes 7 und der Wasserab­ scheidung außen am Wasserabscheideelement 40 fließt der Kraftstoff innerhalb des Wasserabscheidelementes 40 zwischen diesem und einem Standrohr 45 zuerst nach oben und dann über das Standrohr 45 und eine am ge­ schlossenen Ende 14 des Filtergehäuses 2 angeordnete Leitung 46 gemäß Pfeil 47 ab.The fuel is supplied in the same manner as in the exemplary embodiment according to FIG. 1. After flowing through the filter element 7 and the water separation on the outside of the water separation element 40 , the fuel flows within the water separation element 40 between the latter and a standpipe 45 first upward and then over the standpipe 45 and an arranged at the ge closed end 14 of the filter housing 2 line 46 according to arrow 47 .

Mit den aufgezeigten Ausführungsbeispielen eines der­ artigen Kraftstoff-Filters ist durch die Verwendung von einheitlichen Materialien für das Filterelement und die Gestaltung des Filtergehäuses mit Deckel beim Filterwechsel eine getrennte, umweltfreundliche Ent­ sorgung gewährleistet.With the illustrated embodiments, one of the like fuel filter is through use of uniform materials for the filter element and the design of the filter housing with cover at Filter change a separate, environmentally friendly Ent supply guaranteed.

Claims (10)

1. Kraftstoff-Filter, insbesondere für Dieselkraft­ stoff, bestehend aus einem ein radial durchström­ tes mit seiner Achse annähernd lotrecht ausge­ richtetes Ring-Filterelement aufnehmenden Filter­ gehäuse, das in seinem unteren Bereich einen Sam­ melraum für abgeschiedenes Wasser aufweist, dadurch gekennzeichnet, daß das Filtergehäuse (2) topfförmig mit einem oben abnehmbaren Deckel (3, 4) und einem im Inne­ ren unten gelagerten, das Filterelement (7) aus­ tauschbar aufnehmenden Trägerteil (13) ausgebil­ det ist, wobei der Kraftstoff im Bereich des Trä­ gerteils (13) in das Filtergehäuse (2) eintritt.1. Fuel filter, especially for diesel fuel, consisting of a radial through-flow tes with its axis approximately perpendicular aligned ring filter element receiving filter housing, which has a Sam melraum for separated water in its lower region, characterized in that Filter housing ( 2 ) pot-shaped with a removable cover ( 3 , 4 ) at the top and an inner bearing, the filter element ( 7 ) made of exchangeable support part ( 13 ), the fuel in the area of the support part ( 13 ) enters the filter housing ( 2 ). 2. Kraftstoff-Filter nach Anspruch 1, dadurch gekennzeichnet, daß das Filterelement radial abgedichtet am Trä­ gerteil (13) und am Deckel (3, 4) anliegt.2. Fuel filter according to claim 1, characterized in that the filter element rests radially sealed on the carrier part ( 13 ) and on the cover ( 3 , 4 ). 3. Kraftstoff-Filter nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das austauschbare Filterelement (7) aus einem einheitlichen Werkstoff besteht. 3. Fuel filter according to claim 1 or 2, characterized in that the replaceable filter element ( 7 ) consists of a uniform material. 4. Kraftstoff-Filter nach Anspruch 3, dadurch gekennzeichnet, daß der Werkstoff für das Filterelement (7) Pa­ pier ist.4. Fuel filter according to claim 3, characterized in that the material for the filter element ( 7 ) is Pa pier. 5. Kraftstoff-Filter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das aus zick-zack-förmig gefaltetem Filter­ bahnenmaterial bestehende Filterelement (7) an seinen Stirnseiten mit einem Dichtmaterial (10, 11) aus aufschmelzbarem Werkstoff besteht.5. Fuel filter according to one of the preceding claims, characterized in that the filter material consisting of zig-zag folded filter sheet material ( 7 ) on its end faces with a sealing material ( 10 , 11 ) made of reflowable material. 6. Kraftstoff-Filter nach Anspruch 5, dadurch gekennzeichnet, daß das Dichtmaterial (10, 11) ein schmelzbares Vlies ist.6. Fuel filter according to claim 5, characterized in that the sealing material ( 10 , 11 ) is a fusible fleece. 7. Kraftstoff-Filter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Trägerteil (13) aus Kunststoff besteht und in einer Aussparung (17) des topfförmigen Filtergehäuses (2) abgedichtet anliegt.7. Fuel filter according to one of the preceding claims, characterized in that the carrier part ( 13 ) consists of plastic and lies in a recess ( 17 ) of the cup-shaped filter housing ( 2 ) sealed. 8. Kraftstoff-Filter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Trägerteil (13) mit einer PTC-Heizung (24) versehen ist. 8. Fuel filter according to one of the preceding claims, characterized in that the carrier part ( 13 ) is provided with a PTC heater ( 24 ). 9. Kraftstoff-Filter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß ein rohrförmiges Wasserabscheideelement (26, 40) mit dem Trägerkörper (13) fest verbunden ist.9. Fuel filter according to one of the preceding claims, characterized in that a tubular water separating element ( 26 , 40 ) with the carrier body ( 13 ) is fixedly connected. 10. Kraftstoff-Filter nach Anspruch 9, dadurch gekennzeichnet, daß das Wasserabscheideelement (40) ein oben ge­ schlossenes Rohr aufweist und die mit einem Standrohr (45) versehene Leitung (46) für den Austritt des gefilterten Kraftstoffes aus dem Filtergehäuse (2) unterhalb der Leitung (34) für den Eintritt des Kraftstoffes im Bereich des Sam­ melraumes (15) vorgesehen ist.10. A fuel filter according to claim 9, characterized in that the water separating element ( 40 ) has a tube closed at the top and the line ( 46 ) provided with a standpipe ( 45 ) for the exit of the filtered fuel from the filter housing ( 2 ) below the line ( 34 ) for the entry of the fuel in the area of the Sam melraumes ( 15 ) is provided.
DE4239099A 1992-11-20 1992-11-20 Fuel filter Expired - Lifetime DE4239099C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE4239099A DE4239099C2 (en) 1992-11-20 1992-11-20 Fuel filter
FR9313662A FR2698411B1 (en) 1992-11-20 1993-11-16 Fuel Filter.
GB9323763A GB2272652B (en) 1992-11-20 1993-11-18 A fuel filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4239099A DE4239099C2 (en) 1992-11-20 1992-11-20 Fuel filter

Publications (2)

Publication Number Publication Date
DE4239099A1 true DE4239099A1 (en) 1994-05-26
DE4239099C2 DE4239099C2 (en) 2001-02-15

Family

ID=6473304

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4239099A Expired - Lifetime DE4239099C2 (en) 1992-11-20 1992-11-20 Fuel filter

Country Status (3)

Country Link
DE (1) DE4239099C2 (en)
FR (1) FR2698411B1 (en)
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DE19541386A1 (en) * 1995-11-07 1997-05-15 Knecht Filterwerke Gmbh Immersion tube for annular liquid filter with venting orifice
EP1233173A2 (en) 2001-02-15 2002-08-21 Robert Bosch Gmbh Filter element for fuels
FR2884441A1 (en) * 2005-04-15 2006-10-20 Syngas Entpr Unipersonnelle A Adsorption gas purification plant, especially for removing solvents, has reaction chamber heater(s) in form of self-regulating electrical resistances
EP2548624B1 (en) 2011-07-21 2016-02-03 Filtrauto Fuel filter with bottom compartment for collecting water and filtering element for such a filter
WO2019174940A1 (en) 2018-03-14 2019-09-19 Bayerische Motoren Werke Aktiengesellschaft Retaining device for a filter element of a motor vehicle, and filter device for a motor vehicle

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4444934A1 (en) * 1994-12-16 1996-06-27 Knecht Filterwerke Gmbh Fuel filter
DE4444934B4 (en) * 1994-12-16 2004-05-13 Mahle Filtersysteme Gmbh fuel
DE19541386A1 (en) * 1995-11-07 1997-05-15 Knecht Filterwerke Gmbh Immersion tube for annular liquid filter with venting orifice
DE19541386B4 (en) * 1995-11-07 2004-07-08 Mahle Filtersysteme Gmbh Dip tube for a liquid ring filter
EP1233173A2 (en) 2001-02-15 2002-08-21 Robert Bosch Gmbh Filter element for fuels
EP1233173A3 (en) * 2001-02-15 2003-12-03 Robert Bosch Gmbh Filter element for fuels
FR2884441A1 (en) * 2005-04-15 2006-10-20 Syngas Entpr Unipersonnelle A Adsorption gas purification plant, especially for removing solvents, has reaction chamber heater(s) in form of self-regulating electrical resistances
EP2548624B1 (en) 2011-07-21 2016-02-03 Filtrauto Fuel filter with bottom compartment for collecting water and filtering element for such a filter
WO2019174940A1 (en) 2018-03-14 2019-09-19 Bayerische Motoren Werke Aktiengesellschaft Retaining device for a filter element of a motor vehicle, and filter device for a motor vehicle
DE102018203832A1 (en) 2018-03-14 2019-09-19 Bayerische Motoren Werke Aktiengesellschaft Holding device for a filter element of a motor vehicle, as well as filter device for a motor vehicle

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DE4239099C2 (en) 2001-02-15
GB9323763D0 (en) 1994-01-05
FR2698411B1 (en) 1995-04-21
FR2698411A1 (en) 1994-05-27
GB2272652A (en) 1994-05-25
GB2272652B (en) 1996-08-14

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