DE202005019728U1 - Heating element for diesel engines has heating apparatus and connecting plate which are made of metal, preferably aluminum so that amount of heat is transferred optimally - Google Patents

Heating element for diesel engines has heating apparatus and connecting plate which are made of metal, preferably aluminum so that amount of heat is transferred optimally Download PDF

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Publication number
DE202005019728U1
DE202005019728U1 DE202005019728U DE202005019728U DE202005019728U1 DE 202005019728 U1 DE202005019728 U1 DE 202005019728U1 DE 202005019728 U DE202005019728 U DE 202005019728U DE 202005019728 U DE202005019728 U DE 202005019728U DE 202005019728 U1 DE202005019728 U1 DE 202005019728U1
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fuel
heat
connecting plate
metal
diesel engines
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Helldorfer Andreas
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Helldorfer Andreas
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02D19/0668—Treating or cleaning means; Fuel filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0602—Control of components of the fuel supply system
    • F02D19/0605—Control of components of the fuel supply system to adjust the fuel pressure or temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
    • F02D19/0649—Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers
    • F02D19/0652—Biofuels, e.g. plant oils
    • 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
    • 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
    • F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
    • F02M53/02—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means with fuel-heating means, e.g. for vaporising
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/10—Fuel manifold
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0602—Control of components of the fuel supply system
    • F02D19/0613—Switch-over from one fuel to another
    • F02D19/0615—Switch-over from one fuel to another being initiated by automatic means, e.g. based on engine or vehicle operating conditions
    • 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
    • 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
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

The heating element has a heating apparatus (2) and a connecting plate (1) which are made of metal, preferably manufactured from aluminum so that the heating element transfers the amount of heat optimally. An electronic heating device, preferably a glow plug (3) is integrated or a connection for cooling water circulation is provided. Independent claims are also included for the following: (A) Heating apparatus; and (B) Connecting plate.

Description

Die Erfindung betrifft ein Heizmodul, welches von außen auf die Kraftstoffleitungen gesetzt wird.The The invention relates to a heating module, which from the outside to the fuel lines is set.

Diese Erfindung ist damit auch für einen bereits bestehenden Dieselmotor, der damit auf den Kraftstoff Pflanzenöl umgerüstet werden kann.These Invention is thus synonymous for an existing diesel engine, which thus affects the fuel vegetable oil converted can be.

Es ist schon seit längerem bekannt, daß Dieselmotoren im Startmoment mit Dieselkraftstoff betrieben werden und nach einer gewissen Aufwärmehase auf Pflanzenöle umgestellt werden. Da die Viskosität von Pflanzenölen höher ist, als von Dieselkraftstoff, muss die Viskosität der Pflanzenöle der von Dieselkraftstoffen angeglichen werden. Dafür werden bisher die Pflanzenöle entweder in einem beheizbaren Tank oder mittels Wärmetauscher vor der Einspritzpumpe erwärmt.It has been around for a while known that diesel engines be operated at the starting moment with diesel fuel and after a certain warm-up hare on vegetable oils be converted. Since the viscosity of vegetable oils is higher, As of diesel fuel, the viscosity of vegetable oils must be that of Diesel fuels. So far, the vegetable oils either in a heatable tank or by means of a heat exchanger in front of the injection pump heated.

Das bekannte System mittels beheizbaren Tank (Patenschrift DE 196 35 220 A1 ) hat jedoch den Nachteil, daß der gesamte Tankinhalt auf die Temperatur zwischen 60°C und 80°C gebracht werden muss. Durch die verlängerten Transportwege in der Kraftstoffleitung bis zur Einspritzung ist hier jedoch durch Wärmeverlust keine genaue Temperaturregelung möglich. Dadurch ist der Einsatz von Pflanzenölen als Treibstoff in elektrisch gesteuerten, direkteinspritzenden Dieselmotoren nicht möglich.The known system by means of heated tank (patent DE 196 35 220 A1 ) has the disadvantage that the entire tank contents must be brought to the temperature between 60 ° C and 80 ° C. Due to the extended transport routes in the fuel line to the injection, however, no precise temperature control is possible here due to heat loss. Thus, the use of vegetable oils as fuel in electrically controlled, direct injection diesel engines is not possible.

In Kombination mit dem Wärmetauscher vor der Einspritzpumpe wäre eine genauere Temperaturregelung möglich. Dazu wird der Wärmetaucher in die Kraftstoffleitung zwischen Dieselfilter und Einspritzpumpe installiert.In Combination with the heat exchanger before the injection pump would be a more precise temperature control possible. This is the heat diver in the fuel line between diesel filter and injection pump Installed.

Dieses Problem behebt die Patenschrift DE 100 60 573 B4 sowie DE 31 17 374 A1 , indem ein kleiner beheizbarer Zwischenbehälter vor die Einspritzpumpe eingebaut wird. Diese Zwischenbehälter werden zunächst durch elektrische Vorwärmung betrieben, damit sich die im Inhalt befindlichen Pflanzenöle genügend verflüssigen, um den Dieselmotor zu starten und solange betreiben können, bis sich die in einem zusätzlichen Tank befindlichen Pflanzenöle ausreichend erwärmt haben. Beide Techniken berufen sich auf eine sogenannte 2-Tank-Lösung, bei der sich in dem einen Tank der normale Dieselkraftstoff und in dem anderen Tank die Pflanzenöle befinden. Durch die Patentschrift DE 100 60 573 B4 hat es sich aus Stand der Technik insoweit geändert, daß nicht der gesamte Tankinhalt erwärmt werden muss, sondern nur der Kraftstoff im so genannten Thermozylinder.This problem fixes the patent DE 100 60 573 B4 such as DE 31 17 374 A1 by installing a small heatable intermediate tank in front of the injection pump. These intermediate containers are initially operated by electric preheating, so that the vegetable oils contained in the content liquefy enough to start the diesel engine and operate until the vegetable oils contained in an additional tank have sufficiently warmed up. Both techniques rely on a so-called 2-tank solution, in which one tank of normal diesel fuel and in the other tank are the vegetable oils. By the patent DE 100 60 573 B4 it has changed from the prior art insofar that not the entire tank contents must be heated, but only the fuel in the so-called thermal cylinder.

Die 2-Tank-Systeme sind jedoch durch die separaten Kraftstofftanks darauf ausgelegt, daß zu der Startphase, bei kurzen Fahrstecken und vor Ende der Fahrt den Dieselmotor mit Dieselkraftstoff zu versorgen, damit keine Pflanzenöle in der Einspritzanlage bleiben. Dieser so genannte Spülvorgang mit Dieselkraftstoff vor Ende der Fahrt muss entweder computergesteuert oder manuell geregelt werden. Dies wurde bereits durch das Patent DE 196 35 220 A1 erheblich vereinfacht. Wenn in den Rohren der Einspritzanlage noch Pflanzenöle sind, werden diese beim Abkühlen des Motors wieder zähflüssiger und führt zu Startschwierigkeiten, da dadurch die zur Gemischbildung im Brennraum erforderliche Zerstäubung des Kraftstoffes nicht mehr möglich ist. Damit ist mit diesem Stand der Technik kein fahren mit ausschließlich Pflanzenölen möglich.However, the 2-tank systems are designed by the separate fuel tanks to supply the diesel engine with diesel fuel to the starting phase, during short driving and before the end of the journey, so that no vegetable oils remain in the injection system. This so-called diesel fuel purging before the end of the journey must be controlled either computer-controlled or manually. This has already been patented DE 196 35 220 A1 considerably simplified. If in the pipes of the injection system are still vegetable oils, these are again viscous when cooling the engine and leads to starting difficulties, since thereby the mixture formation in the combustion chamber required atomization of the fuel is no longer possible. Thus, with this state of the art, driving with only vegetable oils is not possible.

Ebenfalls gibt es Lösungen, die eine 1-Tank-Technik ermöglichen. Hierbei wird immer ein oder mehrere Wärmetauscher im Tank und/oder vor der Einspritzpumpe eingesetzt. Hierbei wird in Kauf genommen, daß Pflanzenöle in der Einspritzanlage verbleiben. Diese werden, wie oben beschrieben, beim Abkühlen des Motors wieder zähflüssiger und führt zu Startschwierigkeiten, da dadurch die zur Gemischbildung im Brennraum erforderliche Zerstäubung des Kraftstoffes nicht mehr möglich ist. Dem kann man nur mit so genannten Additive, wie zum Beispiel Dieselkraftstoff, etwas entgegensteuern. Damit ist auch mit dieser Lösung kein fahren mit ausschließlich Pflanzenölen möglich.Also are there solutions which allow a 1-tank technology. This is always one or more heat exchanger in the tank and / or used in front of the injection pump. This is accepted, that vegetable oils in the Injection system remain. These are, as described above, when cooling down the engine again more viscous and leads to teething problems, As a result, the required for mixture formation in the combustion chamber atomization of Fuel is no longer possible is. You can only do this with so-called additives, such as Diesel fuel, counteract something. This is also with this solution no driving with exclusively vegetable oils possible.

Da das Kraftstoffsystem zwischen Einspritzpumpe und Einspritzdüsen aus Hochdruckleitungen bestehen, wobei der Druck zwischen 100 bar und 1.800 bar liegt, ist es bisher nicht möglich an dieser Stelle die Pflanzenöle in bereits bestehenden Dieselmotoren auf die notwendige Temperatur zwischen 60°C und 80°C zu erwärmen, da alle Wärmetauscher nach dem Prinzip des Einsetzens funktionieren. Das heißt, die Leitung muß aufgetrennt werden und entsprechend angeschlossen werden. Abgesehen von dem Problem der räumlichen Ausmaße die ein Hochdruck-Wärmetauscher haben müsste, ist es fast unmöglich einen solchen Wärmetauscher zwischen Einspritzpumpe und Einspritzdüse zu setzen, da keine hundertprozentige Dichtigkeit bei Hochdruck in bestehenden Dieselmotoren wieder hergestellt werden kann.There the fuel system between injection pump and injectors High pressure lines exist, with the pressure between 100 bar and 1,800 it is not possible yet at this point the vegetable oils in existing diesel engines to the necessary temperature between 60 ° C and 80 ° C to warm, there all heat exchangers after work according to the principle of insertion. That is, the Line must be disconnected be connected and connected accordingly. Except for the Problem of spatial dimensions which is a high pressure heat exchanger would have to it is almost impossible such a heat exchanger to put between injection pump and injector, as no one hundred percent Tightness at high pressure restored in existing diesel engines can be.

Der vorliegenden Erfindung liegt insoweit die Aufgabe zugrunde, diesen Schwachpunkt bei pflanzenölbetriebenen Dieselmotoren zu beheben und eine optimale Viskositätsanpassung der Pflanzenöle direkt vor der Einspritzdüse zu gewährleisten, ohne die Einspritzanlage mit dem bisher oben genannten notwendigen Spülvorgang mit Dieselkraftstoff durchzuführen, sowie ohne der eventuell möglichen und notwendigen Auftrennung der Hochdruck-Kraftstoffleitung. Damit wird der kritische Startzeitpunkt des Dieselmotors mit zähflüssigen Pflanzenöl direkt möglich, da sich das in der Hochdruck- Kraftstoffleitung vor der Einspritzdüse befindliche Pflanzenöl erwärmen lässt und die optimale Viskosität der Pflanzenöle, ohne bisher notwendige zusätzliche Additive, erreichen lässt und da dadurch die zur Gemischbildung im Brennraum erforderliche Zerstäubung des Kraftstoffes möglich ist. Mit der vorliegenden Erfindung wäre es möglich einen nachträglichen Umbau von konventionellen Dieselmotoren durchzuführen, die bisher ausschließlich mit Dieselkraftstoff betrieben wurden, und den so umgerüsteten Dieselmotor ausschließlich mit Pflanzenölen zu betreiben.The present invention is based on the object to remedy this weakness in vegetable oil diesel engines and to ensure optimum viscosity adjustment of vegetable oils directly in front of the injector, without performing the injection system with the above-mentioned necessary flushing with diesel fuel, and without possibly possible and necessary Separation of the high-pressure fuel line. Thus, the critical start time of the diesel engine with viscous vegetable oil is directly possible because the vegetable oil located in the high-pressure fuel line in front of the injection nozzle men and can reach the optimum viscosity of the vegetable oils, without previously necessary additional additives, and thereby the required for mixture formation in the combustion chamber atomization of the fuel is possible. With the present invention, it would be possible to carry out a subsequent conversion of conventional diesel engines, which were previously operated exclusively with diesel fuel, and to operate the thus converted diesel engine exclusively with vegetable oils.

Weitere Einzelheiten zu der Erfindung, die im folgenden Heizmodul genannt wird, ergeben sich aus der nachfolgenden Beschreibung sowie anhand der beiden Zeichnungen.Further Details of the invention, hereinafter called heating module will become apparent from the following description and by reference the two drawings.

Dabei zeigt:there shows:

1 den schematischen Aufbau des Heizmoduls 1 the schematic structure of the heating module

Die Erfindung sieht vor, dass diese um die Kraftstoffleitung installiert wird. Da sich Metall als hervorragender Wärmeleiter ausweist, besteht der Körper des Heizmoduls aus Metall, vorwiegend aus Aluminium, da dieses Metall zugleich leicht, stabil und ein optimaler Wärmeleiter ist. Der Körper besteht aus 2 Hauptbestandteilen, dem Heizkörper und der Anschlussplatte.The Invention provides that this installed around the fuel line becomes. Since metal identifies itself as an excellent conductor of heat, there is the body the heating module of metal, mainly of aluminum, as this metal at the same time light, stable and an optimal heat conductor. The body exists consisting of 2 main components, the radiator and the connection plate.

In dem Heizkörper befindet sich eine Heizeinrichtung in Form mindestens einer Glühkerze. Dieser Heizkörper kann optional mit dem Kühlwasserkreislauf verbunden werden, um einen Dauerbetrieb während des Betriebs des Dieselmotors zu optimieren. Auf der oberen Fläche ist eine Rille eingearbeitet, die der Form und dem Durchmesser der Kraftstoffleitung entspricht, sowie Gewindebohrungen für die Befestigung der Anschlussplatte.In the radiator is a heater in the form of at least one glow plug. This radiator can be optional with the cooling water circuit be connected to a continuous operation during operation of the diesel engine to optimize. On the upper surface is a groove incorporated, the shape and the diameter of the Fuel line corresponds, as well as threaded holes for attachment the connection plate.

In der Anschlussplatte ist ebenfalls eine spiegelverkehrte Rille eingearbeitet, die ebenfalls in der Form und dem Durchmesser der Kraftstoffleitung entspricht. Gleichfalls sind durchgehende Bohrungen zur Befestigung an dem Heizkörper angebracht.In the connecting plate is also a mirrored groove incorporated, also in the shape and diameter of the fuel line equivalent. Likewise, through holes for fixing on the radiator appropriate.

Für den Betrieb eines Dieselmotors werden in der Regel an jeder Einspritzdüse ein Heizmodul benötigt, sofern dies nicht im Rahmen der Erfindung motorentsprechend zusammengefasst wurde und mehrere Kraftstoffleitungen einschließen kann. Damit die Temperatur der Heizmodule optimal geregelt werden kann, ist auf der Anschlussplatte ein Temperatursensor angebracht. Dieser regelt direkt über ein Relais oder elektronisch durch einen Steuercomputer gesteuert die Glühkerze und schaltet diese bei Unterschreitung von etwa 60°C ein, bzw. bei erreichen von etwa 80°C wird die Glühkerze entsprechend ausgeschaltet.For the business a diesel engine, a heating module are usually required at each injector, if this is not summarized in the engine according to the invention and may include multiple fuel lines. So that the temperature The heating modules can be optimally controlled is on the connection plate a temperature sensor attached. This regulates directly via a relay or electronically controlled by a control computer, the glow plug and switches this on when it falls below about 60 ° C, or when it reaches about 80 ° C is the glow plug switched off accordingly.

Die beiden Teile, dem Heizkörper und der Anschlussplatte werden nun miteinander fest verschraubt, nachdem der eine Teil an die Kraftstoffleitung angelegt wurde und dies exakt in die eingearbeitete Rille eingelegt wurde. Nun liegt die Kraftstoffleitung in dem befestigten Heizmodul und ist, nach dem Anschließen der elektrischen Leitungen, einsatzbereit. Damit die Wärmeübertragung entsprechend optimiert ist, kann zwischen der Kraftstoffleitung und dem Heizmodul eine entsprechende Wärmeleitpaste eingebracht werden.The two parts, the radiator and the connection plate are now bolted together, after the part has been applied to the fuel line and this was inserted exactly in the incorporated groove. Now lies the fuel line in the fixed heating module and is, after the connection the electrical wires, ready for use. So that the heat transfer is optimized accordingly, can between the fuel line and the heating module, a corresponding thermal paste are introduced.

Claims (5)

Heizelement für Dieselmotoren, welches von außen auf die Kraftstoffleitung gesetzt wird, dadurch gekennzeichnet, dass der Heizkörper (2) und die Anschlussplatte (1) aus Metall, vorzugsweise aus Aluminium gefertigt sind, damit die Heizleistung optimal übertragen werden kann.Heating element for diesel engines, which is placed on the outside of the fuel line, characterized in that the radiator ( 2 ) and the connection plate ( 1 ) are made of metal, preferably made of aluminum, so that the heating power can be optimally transmitted. Heizkörper (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine elektronische Heizeinheit integriert ist, vorzugsweise eine Glühkerze (3) oder ein Anschluss für der Kühlwasserkreislauf vorgesehen ist.Radiator ( 2 ) according to one of the preceding claims, characterized in that an electronic heating unit is integrated, preferably a glow plug ( 3 ) or a connection for the cooling water circuit is provided. Heizkörper (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Oberseite zentral eine Rille (4) aufweist, in die die Kraftstoffleitung eingelegt werden kann.Radiator ( 2 ) according to one of the preceding claims, characterized in that the upper side centrally a groove ( 4 ), in which the fuel line can be inserted. Anschlussplatte (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass diese Deckungsgleich mit dem Heizkörper (2) istConnection plate ( 1 ) according to one of the preceding claims, characterized in that this congruent with the radiator ( 2 ) Anschlussplatte (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Unterseite zentral eine Rille (4) aufweist, in die die Kraftstoffleitung eingelegt werden kann.Connection plate ( 1 ) according to one of the preceding claims, characterized in that the underside centrally a groove ( 4 ), in which the fuel line can be inserted.
DE202005019728U 2005-12-15 2005-12-15 Heating element for diesel engines has heating apparatus and connecting plate which are made of metal, preferably aluminum so that amount of heat is transferred optimally Expired - Lifetime DE202005019728U1 (en)

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DE202005019728U DE202005019728U1 (en) 2005-12-15 2005-12-15 Heating element for diesel engines has heating apparatus and connecting plate which are made of metal, preferably aluminum so that amount of heat is transferred optimally

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DE202005019728U DE202005019728U1 (en) 2005-12-15 2005-12-15 Heating element for diesel engines has heating apparatus and connecting plate which are made of metal, preferably aluminum so that amount of heat is transferred optimally

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103089494A (en) * 2013-02-21 2013-05-08 北京北机机电工业有限责任公司 Diesel preheating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103089494A (en) * 2013-02-21 2013-05-08 北京北机机电工业有限责任公司 Diesel preheating device
CN103089494B (en) * 2013-02-21 2016-02-10 北京北机机电工业有限责任公司 A kind of diesel pre-heating device

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