DE10325329A1 - Fuel filter for fuel injection systems of motor vehicles is heated by engine cooling water to heat fuel and prevent clogging when used with Diesel and vegetable oil fuels - Google Patents

Fuel filter for fuel injection systems of motor vehicles is heated by engine cooling water to heat fuel and prevent clogging when used with Diesel and vegetable oil fuels Download PDF

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Publication number
DE10325329A1
DE10325329A1 DE10325329A DE10325329A DE10325329A1 DE 10325329 A1 DE10325329 A1 DE 10325329A1 DE 10325329 A DE10325329 A DE 10325329A DE 10325329 A DE10325329 A DE 10325329A DE 10325329 A1 DE10325329 A1 DE 10325329A1
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Germany
Prior art keywords
fuel
filter
cooling water
fuel filter
container
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.)
Ceased
Application number
DE10325329A
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German (de)
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to DE10325329A priority Critical patent/DE10325329A1/en
Publication of DE10325329A1 publication Critical patent/DE10325329A1/en
Ceased legal-status Critical Current

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Classifications

    • 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
    • F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
    • F02M31/10—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot liquids, e.g. lubricants or cooling water
    • 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
    • F02M31/16—Other apparatus for heating fuel
    • 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
    • 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
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/18—Feeding by means of driven pumps characterised by provision of main and auxiliary pumps
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

A fuel filter is located in a container, through which the cooling water of the engine flows. The filter transmits engine waste heat via the filter housing to the fuel. The fuel filter is screwed to the cover of the container, to prevent cooling water escaping into a fuel pipe when the filter is replaced. Container and filter consist of a single modular part. Fuel from injection valve returns is directly fed into the fuel filter via a connection.

Description

Die Erfindung betrifft eine Kraftstoffvorwärmung für luftverdichtete Einspritrbrennkraftmaschinen nach den, im Oberbegriff des in Patentanspruchs 1 angegebenen Merkmalen.The The invention relates to fuel preheating for air-compressed injection-type internal combustion engines according to the, in the preamble of the features specified in claim 1.

Kraftstoffkreisläufe mit Maßnahmen zur Erwärmung des Kraftstoffes sind hinlänglich bekannt.Fuel circuits with activities for warming of the fuel are sufficient known.

In der DE 4112495 C1 ist z.B. eine Kraftstoffvorwärmung für eine Brennkraftmaschine mit von Kühlwasser durchströmten Kühlmantel aufweisenden Zylinderkurbelgehäuse mit einer, für die Kraftstoffdurchströmung vorgesehenen Kanalanordnung, die in einer den Kühlmantel nach außen begrenzenden Gehäusewand integriert ist, beschrieben.In the DE 4112495 C1 is, for example, a fuel preheating for an internal combustion engine with coolant water flowed through cooling jacket having cylinder crankcase with a, provided for the fuel flow channel arrangement, which is integrated in a cooling jacket outwardly bounding the housing wall, described.

Auch aus der DE 3514071 A1 ist ein Krafftstoffkreisfauf mit thermostatgesteuerter Kraftstoffvorwärmung bekannt. Bei dieser Ausführung ist die Kraftstoffleitung rohrschlangenähnlich durch einen Teil des Motors geführt, nämlich durch im Zylinder ausgebildete Kanäle. Der Kraftstofffluß zu diesen Kanälen wird durch einen Thermostat gesteuert, der die außenliegende Kraftstoffleitung zum Zylinderkopf zu- und aufsteuert.Also from the DE 3514071 A1 is a Krafftstoffkreisfauf with thermostat controlled fuel preheating known. In this embodiment, the fuel pipe is similar to a pipe snake passed through a part of the engine, namely by channels formed in the cylinder. The fuel flow to these channels is controlled by a thermostat, which connects and opens the external fuel line to the cylinder head.

Der Erfindung liegt die Aufgabe Zugrunde, den Kraftstoff durch das Kühlwasser des Motors , bei möglichst geringen Abmessungen, einfacher Montage, geringen Herstellungskosten und einfacher Nachrüstung in bestehenden Aggregaten zu erwärmen. Ferner soll durch die Kraftstoffvorwärmung das verstopfen des Kraftstofffilters bei beginnender Paraffinausscheidung von Dieselkraftstoffen vermieden werden. Bei der Verwendung von Pflanzenölen als Kraftstoff soll durch sie, die Viskosität dieser Öle soweit herabgesetzt werden, dass der Filter problemlos von Pflanzenöl durchströmt werden kann und von den Einspritzorganen im Brennraum annähernd ebenso fein zerstäubt werden kann wie Dieselkraftstoff.Of the Invention is based on the task, the fuel through the cooling water of the engine, if possible small dimensions, easy installation, low production costs and easy retrofitting to heat in existing aggregates. Furthermore, by the fuel preheating clogging of the fuel filter be avoided at the beginning of paraffin excretion of diesel fuels. When using vegetable oils as a fuel, by them, the viscosity of these oils should be lowered so far, that the filter can be easily flowed through by vegetable oil and by the Injectors in the combustion chamber are atomized almost equally fine can be like diesel fuel.

Claims (2)

Kühlwasserbeheizbarer Kraftstofffilter zur Kraftstoffvorwärmung von Einspritzbrennkraftmaschinen, dadurch gekennzeichnet das ein Kraftstofffilter der sich in einem, vom Kühlwasser des Motors durchflossenen Behälter befindet, die Abwärme des Motors über das Filtergehäuse an den Kraftstoff abgibt. Der Behälter ist mit einem Deckel verschraubt der eine Entlüftungsschraube aufweist. An diesem Deckel ist der Kraftstofffilter angeschraubt, so das bei einem Filterwechsel kein Kühlwasser in die Kraftstoffleitung gelangen kann.Kühlwasserbeheizbarer fuel filter for fuel preheating of injection internal combustion engines, characterized in that a fuel filter which is located in a, of the cooling water of the engine through which container emits the waste heat of the engine via the filter housing to the fuel. The container is screwed to a cover which has a bleed screw. On this cover, the fuel filter is screwed on, so that when a filter change no cooling water can get into the fuel line. Kühlwasserbeheizbarer Kraftstofffilter zur Kraftstoffvorwärmung von Einspritzbrennkaftmaschinen durch einen doppelwandigen Kraftstofffilter der die gleiche Aufgabe wie unter Anspruch 1. erfüllt. Dieser ist dadurch gekennzeichnet, dass der Kraftstoffilter und der von Kühlwasser durchflossenen Behälter baueinheitlich zusammengefaßt sind. Außerdem weist er einen Anschluß auf, durch den der Kraftstoff des Rücklaufes der Einspritzorgane direkt wieder dem Kraftstofffilter zugeführt wird.Kühlwasserbeheizbarer Fuel filter for the fuel preheating of injection fuel injection machines through a double-walled fuel filter the same task as claimed in claim 1. This is characterized in that the fuel filter and the cooling water flowed through container structurally summarized are. Furthermore does he have a connection, through which the fuel of the return the injectors is fed directly back to the fuel filter.
DE10325329A 2003-06-04 2003-06-04 Fuel filter for fuel injection systems of motor vehicles is heated by engine cooling water to heat fuel and prevent clogging when used with Diesel and vegetable oil fuels Ceased DE10325329A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE10325329A DE10325329A1 (en) 2003-06-04 2003-06-04 Fuel filter for fuel injection systems of motor vehicles is heated by engine cooling water to heat fuel and prevent clogging when used with Diesel and vegetable oil fuels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10325329A DE10325329A1 (en) 2003-06-04 2003-06-04 Fuel filter for fuel injection systems of motor vehicles is heated by engine cooling water to heat fuel and prevent clogging when used with Diesel and vegetable oil fuels

Publications (1)

Publication Number Publication Date
DE10325329A1 true DE10325329A1 (en) 2005-01-13

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Application Number Title Priority Date Filing Date
DE10325329A Ceased DE10325329A1 (en) 2003-06-04 2003-06-04 Fuel filter for fuel injection systems of motor vehicles is heated by engine cooling water to heat fuel and prevent clogging when used with Diesel and vegetable oil fuels

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8913769U1 (en) * 1989-11-22 1990-12-20 Couwenbergs, Paul, 7500 Karlsruhe Device for preparing diesel fuel for combustion
EP0205411B1 (en) * 1985-06-10 1991-04-03 ITAL IDEE s.r.l. Fuel feed device, particularly for diesel engines, with fuel filtering, heating and emulsifying members
DE4112495C1 (en) * 1991-04-17 1992-06-04 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Water-cooled IC engine fuel preheating - has fuel duct integrated in outer crankcase wall, bounding cooling water jacket
DE10059049A1 (en) * 2000-11-28 2002-05-29 Mahle Filtersysteme Gmbh Device for feed of fuel into injection system of diesel engine has filter unit with preheating unit with fuel mixing chamber controlled to mix portion of return fuel with supplied fuel depending upon prevailing temperature in chamber

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0205411B1 (en) * 1985-06-10 1991-04-03 ITAL IDEE s.r.l. Fuel feed device, particularly for diesel engines, with fuel filtering, heating and emulsifying members
DE8913769U1 (en) * 1989-11-22 1990-12-20 Couwenbergs, Paul, 7500 Karlsruhe Device for preparing diesel fuel for combustion
DE4112495C1 (en) * 1991-04-17 1992-06-04 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Water-cooled IC engine fuel preheating - has fuel duct integrated in outer crankcase wall, bounding cooling water jacket
DE10059049A1 (en) * 2000-11-28 2002-05-29 Mahle Filtersysteme Gmbh Device for feed of fuel into injection system of diesel engine has filter unit with preheating unit with fuel mixing chamber controlled to mix portion of return fuel with supplied fuel depending upon prevailing temperature in chamber

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8122 Nonbinding interest in granting licences declared
8131 Rejection