DE102008043197A1 - Filter device with a water sensor - Google Patents
Filter device with a water sensor Download PDFInfo
- Publication number
- DE102008043197A1 DE102008043197A1 DE102008043197A DE102008043197A DE102008043197A1 DE 102008043197 A1 DE102008043197 A1 DE 102008043197A1 DE 102008043197 A DE102008043197 A DE 102008043197A DE 102008043197 A DE102008043197 A DE 102008043197A DE 102008043197 A1 DE102008043197 A1 DE 102008043197A1
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- Germany
- Prior art keywords
- filter device
- filter
- water sensor
- heating track
- heating
- 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.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
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- 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
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
- B01D36/005—Liquid level sensing means, e.g. for water in gasoil-filters
-
- 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
- B01D36/006—Purge 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
- F02M37/24—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
- F02M37/26—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 with water detection 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
- F02M37/24—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
- F02M37/26—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 with water detection means
- F02M37/28—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 with water detection means with means activated by the presence of water, e.g. alarms or means for automatic drainage
-
- 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
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1426—Filtration means
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/148—Arrangement of sensors
-
- 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
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/125—Fuel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Eine Filtereinrichtung (10), insbesondere ein Flüssigkeitsfilter, mit einem Filterelement (18), welches in einem Filtergehäuse (12) angeordnet ist, mit einer Heizung zum Erwärmen von durch die Filtereinrichtung (10) strömendem Medium, und mit einem Wassersensor (28) zum Erkennen von im Filtergehäuse (12) gesammeltem Wasser, ist erfindungsgemäß dadurch gekennzeichnet, dass die Heizung mit mindestens einer Heizbahn (26) gestaltet ist und der Wassersensor (28) in baulicher Einheit (24) mit der Heizbahn (26) ausgebildet ist.A filter device (10), in particular a liquid filter, with a filter element (18) which is arranged in a filter housing (12), with a heater for heating medium flowing through the filter device (10), and with a water sensor (28) for Recognition of water collected in the filter housing (12) is inventively characterized in that the heater is designed with at least one heating track (26) and the water sensor (28) is constructed in a structural unit (24) with the heating track (26).
Description
Stand der TechnikState of the art
Die Erfindung betrifft eine Filtereinrichtung, insbesondere einen Flüssigkeitsfilter, wie etwa einen Harnstofffilter oder Kraftstofffilter, mit einem Filterelement, welches in einem Filtergehäuse angeordnet ist, mit einer Heizung zum Erwärmen von durch die Filtereinrichtung strömendem Medium, und mit einem Wassersensor zum Erkennen von im Filtergehäuse gesammeltem Wasser.The The invention relates to a filter device, in particular a fluid filter, such as a urea filter or fuel filter, with a Filter element, which is arranged in a filter housing, with a Heating for heating from flowing through the filter device medium, and with a Water sensor for detecting water collected in the filter housing.
Um bei Filtereinrichtungen und insbesondere bei Flüssigkeitsfiltern in der Brennstoffversorgung von Kraftfahrzeugen unter verschiedensten Betriebsbedingungen für eine gleichmäßig gute Filtration zu sorgen, ist es bekannt an den Filtereinrichtungen jeweils eine Heizung vorzusehen. Mit der Heizung kann beispielsweise ein Gefrieren oder eine Flockenbildung des Filtrats, wie beispielsweise Diesel, bei einem Kaltstart eines zugehörigen Kraftfahrzeugs verhindert und für einen gleichmäßig hohen Durchsatz an Medium durch die Filtereinrichtung gesorgt werden. Auch bei Harnstofffiltern kann eine solche Heizung notwendig sein.Around in filter devices and in particular in liquid filters in the fuel supply of Motor vehicles under a variety of operating conditions for a uniform good Filtration is known to the filtering devices each to provide a heater. For example, with the heater freezing or flocculation of the filtrate, such as Diesel, prevents a cold start of an associated motor vehicle and for a consistently high Throughput of medium through the filter device are taken care of. Even with urea filters such heating may be necessary.
Ferner ist es bei derartigen Filtereinrichtungen bekannt, dass diese mit einem Wasserabscheider und einem zugehörigen Wassersensor ausgestaltet sind, mit dem der Füllstand von abgeschiedenem und im Filtergehäuse gesammeltem Wasser ermittelt werden kann.Further it is known in such filter devices that this with a water separator and an associated water sensor configured are, with which the level determined from separated and collected in the filter housing water can be.
Aufgabe und Lösung der ErfindungTask and solution of invention
Der Erfindung liegt die Aufgabe zugrunde eine Filtereinrichtung bereitzustellen, bei der auf kostengünstige Weise eine besonders kleine, kompakte Bauform der Filtereinrichtung erzielt ist.Of the Invention has for its object to provide a filter device, at the low cost Way a particularly small, compact design of the filter device achieved.
Die Aufgabe ist erfindungsgemäß mit einer Filtereinrichtung gemäß Anspruch 1 gelöst. Vorteilhafte Weiterbildungen sind in den abhängigen Ansprüchen beschrieben.The Task is according to the invention with a filter device according to claim 1 solved. Advantageous developments are described in the dependent claims.
Die erfindungsgemäße Filtereinrichtung ist mit mindestens einer Heizbahn bzw. einem Heizdraht oder auch einer Heizwendel versehen, welche ferner in einer baulichen Einheit mit einem Wassersensor kombiniert ist. Die bauliche Einheit kann auf diese Weise sehr kompakt und derart klein gestaltet werden, so dass insgesamt eine Filtereinrichtung mit besonders kleinem Einbauraum geschaffen ist.The Inventive filter device is with at least one heating track or a heating wire or else a heating coil provided, which also in a structural unit combined with a water sensor. The structural unit can be made very compact and so small in this way, so that a total of a filter device with a particularly small installation space is created.
Ferner erlaubt die erfindungsgemäße Lösung eine besonders kostengünstige und betriebssichere Art der elektrischen Kontaktierung von Heizbahn und Wassersensor, weil diese als bauliche Einheit mit nur einer elektrischen Kontakteinrichtung versehen werden müssen. Die damit gebildete und kontaktierte bauliche Einheit kann also solche vormontiert und qualitätsgeprüft werden. Dies wirkt sich ebenfalls vorteilhaft auf die Herstellungskosten aus.Further allows the solution according to the invention a particularly cost-effective and reliable way of electrical contacting of heating track and water sensor, because this as a structural unit with only one must be provided electrical contact device. The thus formed and contacted structural unit can therefore such pre-assembled and quality-tested. This also has an advantageous effect on the production costs out.
Bei einer ersten bevorzugten Weiterbildung der erfindungsgemäßen Lösung ist die mindestens eine Heizbahn von einem metallischen Stanzgitter gebildet. Das Stanzgitter kann kostengünstig ausgestanzt und in der erfindungsgemäß besonders bevorzugten Form für die Heizbahn (siehe unten) ausgeformt werden. Es kann besonders vorteilhaft weiterverarbeitet und, wie oben genannt, in die bauliche Einheit mit dem Wassersensor integriert werden.at a first preferred embodiment of the inventive solution the at least one heating track formed by a metallic stamped grid. The punched grid can be inexpensive stamped and in the inventively particularly preferred form for the Heating track (see below) are formed. It can be especially beneficial further processed and, as mentioned above, in the structural unit be integrated with the water sensor.
Bei einer zweiten bevorzugten Weiterbildung ist das Filtergehäuse zylindrisch gestaltet und die mindestens eine Heizbahn im Mantelabschnitt einer ebenfalls zylindrischen Form angeordnet. Die derart mantelförmige bzw. hohlzylindrisch gestaltete Heizbahn umgibt das zur Filtereinrichtung gehörende Filterelement vorteilhaft an dessen Außenseite und damit in genau jenem Bereich, in dem Wärme vom Filterelement in die Umgebung abfließen will. Die Heizbahn bildet zugleich eine große Wärmeübergangsfläche bei gleichzeitig kleinem Bauraum aus.at In a second preferred embodiment, the filter housing is cylindrical designed and the at least one heating track in the shell section of a likewise arranged in a cylindrical shape. The jacket-like or hollow cylindrical heating track surrounds this to the filter device belonging Filter element advantageously on the outside and thus in exactly the area where heat is wants to drain from the filter element into the environment. The heating track forms at the same time a big one Heat transfer surface at at the same time small installation space.
Bei einer dritten bevorzugten Weiterbildung ist die mindestens eine Heizbahn in der Fläche des Mantelabschnitts schleifenförmig verteilt angeordnet. Die Schleifenform kann in einem Stanzverfahren prozesssicher hergestellt werden, bietet in der Fläche einen gleichmäßigen Wärmeeintrag und ermöglicht ausreichend Spielraum, um den genannten Wassersensor erfindungsgemäß zusätzlich in der baulichen Einheit zu integrieren.at a third preferred embodiment is the at least one Heating track in the area of the shell section looped arranged distributed. The loop shape can be punched can be produced reliably, offers in the area one uniform heat input and allows enough Scope to the said water sensor according to the invention in addition to integrate the structural unit.
Bei einer vierten bevorzugten Weiterbildung sind die mindestens eine Heizbahn und der Wassersensor in einem Bauelement ortsfest positioniert. Die ortsfeste Positionierung bildet eine sehr gute Grundlage für die weitere Prüfung, Verarbeitung und insbesondere auch die weitere Montage der baulichen Einheit in der zugehörigen Filtereinrichtung.at a fourth preferred embodiment, the at least one Heating track and the water sensor positioned in a stationary component. The stationary positioning forms a very good basis for the others Exam, Processing and in particular also the further assembly of the structural Entity in the associated Filter device.
Bei einer fünften bevorzugten Weiterbildung ist das Bauelement insgesamt becherförmig gestaltet. Das derart becherförmige Bauelement kann platzsparend ein zugehöriges Filterelement umgeben. Es bietet insbesondere an seinem Bodenabschnitt die Möglichkeit der elektrischen Kontaktierung.at a fifth preferred development, the device is designed cup-shaped overall. The cup-shaped Component can save space to surround an associated filter element. It offers the possibility especially at its bottom section the electrical contact.
Bei einer sechsten bevorzugten Weiterbildung ist das Bauelement mittels Umspritzen der mindestens einen Heizbahn und des Wassersensors hergestellt. Das Umspritzen ist ein kostengünstiger und zugleich prozesssicherer Weg zum kostengünstigen Herstellen der baulichen Einheit. Indem beim Umspritzen ein hochwärmeleitender Kunststoff verwendet wird, kann erfindungsgemäß vorteilhaft zusätzlich ein besonders guter und schneller Wärmeübergang von dem Heizdraht an das umgebende Medium sichergestellt werden.In a sixth preferred embodiment, the component is produced by encapsulation of the at least one heating track and the water sensor. The overmolding is a cost-effective and process-reliable way for cost-effective production of the structural unit. By ver spraying a hochwärmeleitender plastic ver is used, according to the invention can advantageously be ensured in addition to a particularly good and rapid heat transfer from the heating wire to the surrounding medium.
Bei einer siebten bevorzugten Weiterbildung ist der Wassersensor mit einem elektrischen Kontakt gestaltet, welcher aus dem Bauelement herausgeführt ist. Der elektrische Kontakt kann auf diese Weise zum Filtergehäuse und auch aus diesem heraus ausgebildet werden. Der elektrische Kontakt bildet vorteilhaft die Schnittstelle zu einem Verbindungselement, mit dem das Filterelement an die restliche Bordelektronik des zugehörigen Kraftfahrzeugs angeschlossen ist.at a seventh preferred embodiment is the water sensor with designed an electrical contact, which from the device led out is. The electrical contact can in this way to the filter housing and also be trained out of this. The electrical contact advantageously forms the interface to a connecting element, with the filter element to the rest of the on-board electronics of the associated motor vehicle connected.
Bei einer achten bevorzugten Weiterbildung ist an dem elektrischen Kontakt ein von außen zugänglicher Steckverbinder angeordnet. Der Steckverbinder kann vorteilhaft an einem Deckel des Filtergehäuses ausgebildet sein, an den dann die erfindungsgemäße bauliche Einheit von Heizbahn und Wassersensor montiert wird. Der Deckel wird bevorzugt mit der Heizbahn und dem Wassersensor zusammen an das restliche Filtergehäuse angesetzt, wobei sich in diesem bereits das Filterelement befindet. Die in das restliche Filtergehäuse eingesetzte Heizbahn umgibt dann das Filterelement außen und der Wassersensor ragt von oben in das restliche Filtergehäuse hinein. Der Wassersensor erkennt in dieser Stellung den Wasserstand von jenem Wasser, welches im Betrieb der Filtereinrichtung an dem Filterelement abgeschieden wird und sich im unteren Bereich des Filtergehäuses sammelt.at An eighth preferred embodiment is on the electrical contact one from the outside accessible Connector arranged. The connector can be advantageous to a lid of the filter housing be formed, then the structural unit according to the invention of Heizbahn and water sensor is mounted. The lid is preferred with the Heizbahn and the water sensor attached to the rest of the filter housing, wherein this is already the filter element in this. The in the rest filter housing used heating path then surrounds the filter element outside and the Water sensor protrudes from above into the rest of the filter housing. The water sensor detects in this position the water level of that water, which in the operation of the filter device to the filter element is deposited and collects in the lower part of the filter housing.
Bei einer neunten bevorzugten Weiterbildung ist der Wassersensor dazu mit mindestens einem Sensorpin gestaltet, welcher aus dem Bauelement herausgeführt ist. Der Sensorpin ist besonders bevorzugt an der unteren Stirnseite einer im Übrigen hohlzylindrischen baulichen Einheit aus Heizbahn und Wassersensor herausgeführt, so dass er in dieser Lage nach unten in das zugehörige Filtergehäuse hineinragt. Besonders bevorzugt ist der Wassersensor mit zwei Sensorpins gestaltet, zwischen denen sich eine Änderung des elektrischen Widerstands ergibt, sobald sie in gesammeltes Wasser eintauchen.at A ninth preferred development is the water sensor to do so designed with at least one sensor pin, which from the device led out is. The sensor pin is particularly preferred on the lower end side otherwise a hollow cylindrical one Structural unit led out of heating track and water sensor, so that it protrudes in this position down into the associated filter housing. Particularly preferably, the water sensor is designed with two sensor pins, between which there is a change of electrical resistance, as soon as they are in collected water plunge.
Kurzbeschreibung der ZeichnungenBrief description of the drawings
Nachfolgend wird ein Ausführungsbeispiel der erfindungsgemäßen Lösung anhand der beigefügten schematischen Zeichnungen näher erläutert. Es zeigt:following is an embodiment of solution according to the invention the attached schematic drawings closer explained. It shows:
Detaillierte Beschreibung des AusführungsbeispielsDetailed description of the embodiment
In
den Fig. ist eine Filtereinrichtung
In
dem Filtergehäuse
Das
Bauelement
Der
Sensorpin
An
der Oberseite der baulichen Einheit
Claims (10)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008043197A DE102008043197A1 (en) | 2008-10-27 | 2008-10-27 | Filter device with a water sensor |
CN200980142907.9A CN102202759B (en) | 2008-10-27 | 2009-09-15 | There is the defecator of water sensor |
PCT/EP2009/061901 WO2010049208A1 (en) | 2008-10-27 | 2009-09-15 | Filter unit comprising a water sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008043197A DE102008043197A1 (en) | 2008-10-27 | 2008-10-27 | Filter device with a water sensor |
Publications (1)
Publication Number | Publication Date |
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DE102008043197A1 true DE102008043197A1 (en) | 2010-04-29 |
Family
ID=41381765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102008043197A Withdrawn DE102008043197A1 (en) | 2008-10-27 | 2008-10-27 | Filter device with a water sensor |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN102202759B (en) |
DE (1) | DE102008043197A1 (en) |
WO (1) | WO2010049208A1 (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080197064A1 (en) * | 2007-02-06 | 2008-08-21 | Blasco Remacha Carlos J | Filter device, in particular fluid filter, with a heater |
WO2011151229A1 (en) * | 2010-06-01 | 2011-12-08 | Robert Bosch Gmbh | Heatable fluid removal device |
WO2011157517A1 (en) * | 2010-06-15 | 2011-12-22 | Robert Bosch Gmbh | Plug connection system, exhaust gas aftertreatment device |
ITMI20102169A1 (en) * | 2010-11-23 | 2012-05-24 | Gvs Spa | REFINED FILTERING DEVICE FOR UREA |
WO2012080132A1 (en) * | 2010-12-14 | 2012-06-21 | Robert Bosch Gmbh | Liquid extraction module, liquid tank |
US8282819B2 (en) * | 2005-08-16 | 2012-10-09 | Robert Bosch Gmbh | Filter device with a heater |
WO2015023440A1 (en) | 2013-08-13 | 2015-02-19 | Michael Richardson | Fuel filter device |
FR3022152A1 (en) * | 2014-06-17 | 2015-12-18 | Filtrauto | WATER SEPARATING FUEL FILTER AND FILTER ELEMENT WITH WATER DETECTOR. |
WO2016007300A1 (en) * | 2014-07-11 | 2016-01-14 | Caterpillar Inc. | Fuel water separator having filter and sensor |
EP3023135A1 (en) * | 2014-11-14 | 2016-05-25 | Hyundai Motor Company | Fuel filter for diesel engine |
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2008
- 2008-10-27 DE DE102008043197A patent/DE102008043197A1/en not_active Withdrawn
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2009
- 2009-09-15 CN CN200980142907.9A patent/CN102202759B/en not_active Expired - Fee Related
- 2009-09-15 WO PCT/EP2009/061901 patent/WO2010049208A1/en active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
CN102202759A (en) | 2011-09-28 |
CN102202759B (en) | 2016-10-26 |
WO2010049208A1 (en) | 2010-05-06 |
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