EP1533487A2 - Méthode de fonctionnement d'un véhicule propulsé par un moteur à combustion utilisant des huiles naturelles - Google Patents

Méthode de fonctionnement d'un véhicule propulsé par un moteur à combustion utilisant des huiles naturelles Download PDF

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Publication number
EP1533487A2
EP1533487A2 EP04027278A EP04027278A EP1533487A2 EP 1533487 A2 EP1533487 A2 EP 1533487A2 EP 04027278 A EP04027278 A EP 04027278A EP 04027278 A EP04027278 A EP 04027278A EP 1533487 A2 EP1533487 A2 EP 1533487A2
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EP
European Patent Office
Prior art keywords
oil
transmission
lubricating oil
fuel
engine
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Withdrawn
Application number
EP04027278A
Other languages
German (de)
English (en)
Other versions
EP1533487A3 (fr
Inventor
Hans-Jürgen Dr. Kampmann
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.)
MWB MOTORENWERKE BREMERHAVEN AG
Original Assignee
MWB MOTORENWERKE BREMERHAVEN AG
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
Priority claimed from DE10353859A external-priority patent/DE10353859B4/de
Application filed by MWB MOTORENWERKE BREMERHAVEN AG filed Critical MWB MOTORENWERKE BREMERHAVEN AG
Publication of EP1533487A2 publication Critical patent/EP1533487A2/fr
Publication of EP1533487A3 publication Critical patent/EP1533487A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
    • F01M9/04—Use of fuel as lubricant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting

Definitions

  • the invention relates to a method for operating Vehicles and self-propelled work machines with a diesel engine operated by natural oil, from a common tank of natural oil as a lubricant and fuel is supplied.
  • Natural oils are known to have a cold state a high viscosity and consequently a low Flowability. Consequently, natural oils, which are considered and lubricant used for diesel engines, heated, to the viscosity of natural oils to the engine technology To adapt conditions.
  • an engine operated with natural oil in which the engine is supplied with lubricant, coolant and fuel from only one suction pipe connected to the fuel tank in the circuit and from this cycle successively the cooling circuit, the lubricant circuit, and the fuel for the injection pump is derived.
  • the natural oil is heated in the fuel tank or in an additional tank by means of an integrated heat exchanger to a temperature of 70 to 90 ° C before it is supplied via the common suction line as a lubricant and fuel to the engine.
  • a diesel engine is known, the including with viscous natural oil fuel can be operated.
  • the adaptation of the flowability of natural oil also takes place by heating the Natural oil in natural oil tank, in which preferably an electric Heating device is provided by a Electricity is heated.
  • Object of the present invention is therefore, the initially mentioned method for operating diesel engines to improve with natural oil in that both the engine and the gearbox with or without hydraulic supply a vehicle or a self-propelled work machine economically from a supply source operated with natural oil or lubricious fuel can be.
  • the thermal adaptation of the viscosity of the system takes place Natural or lubricious fuel to the operating conditions as transmission oil, lubricating oil for the engine and fuel for the engine exclusively through the common supply circuit, so that can be dispensed with additional and independent from the supply circuit supply sources to adjust the individual viscosities of natural oil. Rather, by the constant supply of fresh natural oil or lubricious fuel from the tank as a function of the consumed fuel fraction, a permanent renewal of the respective functional materials is achieved, which leads to improved cleanliness of the functional substances in the system cycles.
  • the thermal adaptation of the viscosity of the fuel component colder transmission oil from the transmission housing and / or the transmission oil pump housing is used, which flows through the heat exchanger in countercurrent.
  • the temperature difference between the colder gear oil and the lubricating oil from the lubricating oil sump is used, which has a viscosity of 5 to 12 mm 2 / s for hydrodynamic lubrication, which is achieved at a temperature of 90 to 110 ° C.
  • This difference in temperature is suitable for adapting the withdrawn portion of lubricating oil used as fuel to a viscosity of approximately 10 mm 2 / s, which is optimal for diesel injection technology.
  • the fresh oil supply from the tank for natural oil or lubricious fuel depending on Gear oil level regulated in the gearbox.
  • gear oil level regulated in the gearbox is ensured that the transmission oil is permanent by the addition of fresh natural oil or lubricious Fuel renewed and at the same time partially cooled becomes.
  • the lubricating oil sump Level-regulated With the shut-off valves for Lubricating oil supply to the lubricating oil sump in the transmission oil supply of transmission oil circulation and in the direction of warm Transmission return of the transmission, the partially over the heat exchanger for adjusting the viscosity of the Fuel level is guided by the level control be controlled in the lubricating oil sump. This will ensure that in any case also in the starting phase of Motors the withdrawn lubricating oil content is replaced.
  • the drawing shows a schematic procedure, with a vehicle or self-propelled work machine with a natural oil powered diesel engine and a gear lubrication called plant oil flow lubrication from a common supply line is operated.
  • the system circuit for transmission oil is at the only one Tank 1 for natural oil connected via the fresh oil supply 8, in which a pump 9 is arranged.
  • the Fresh oil line 8 leads to a transmission oil housing 27 in a hydraulic / transmission oil pump 14 is integrated.
  • the hydraulic / oil pump 14 Via the hydraulic / transmission oil pump 14, the hydraulic / oil filter, the hydraulic oil distribution 26 and the transmission oil sump in the transmission housing 23 with the gear oil pump housing 23 supplied fresh natural oil and / or cooled transmission oil supplied via the return line 12 supplied from the transmission oil circulation 28, 12 becomes.
  • the gear oil level in the transmission housing 23 is with a Level control 25, with the pump 9 in the Fresh oil line 8 is controlled, level-controlled.
  • Transmission housing 23 Below the minimum level of the gear oil level is on Transmission housing 23 a transmission oil return line 24 connected.
  • the transmission oil return line 24 is above a unspecified T-piece to the transmission oil pump housing 27 and at the same time via the line 7, in the one lockable control valve and a subsequent Lubricating oil pump 18 is arranged on the cold side 5 of the Heat exchanger 3 connected.
  • the transmission oil pump housing is equipped with a transmission oil circulation 28, 12, in which the heat exchanger 29 is involved.
  • a transmission oil circulation 28, 12 In the transmission oil flow 28 is over a unspecified T-piece a line 21 for the Lubricating oil discharge connected to the lubricating oil sump 22, which can be shut off via a control valve 13.
  • a switchable control valve 19 In the return 12 of the transmission oil circuit 28, 12 is before the supply the fresh oil line 8 a switchable control valve 19 arranged.
  • the lockable control valve 13 in the oil supply line 28 and the switchable control valve 19 in the return line 12 of the oil circulation line 28, 12th and the lockable valve 32 in the line 7 are from the level control 30 of the lubricating oil level in Lubricating oil sump 22 activated.
  • the system circuit for the lubricating oil of the engine 2 is depending on the level-controlled lubricating oil level in the lubricating oil pan and the switching position controlled above the control valves 13, 19, 32 from the system circuit supplied with lubricating oil of the transmission oil.
  • a lubricating oil / coolant heat exchanger 33 arranged, the cold side over a Water return 38 and a water supply 37 with a Partial flow of the coolant from the coolant distribution 35 is acted upon by the coolant / air cooler 34 is supplied with coolant, by means of a Coolant pump 39 and a coolant return 40th is performed in circulation with the coolant distribution 35.
  • Warm side is the lubricating oil / coolant heat exchanger 33 continuously through an oil pump with hot Lubricating oil from the lubricating oil sump 22 acted upon.
  • a lubricating oil filter 16 is connected via which the cooled lubricating oil again the pressure circulation lubrication, not shown and finally fed to the lubricating oil sump 22 becomes.
  • the system circulation of fuel for the injection pump 10 is supplied from the lubricating oil sump 22.
  • Supply of the system circulation for the fuel becomes constantly a portion of the lubricating oil from the lubricating oil sump Derived via the line 20 of the hot side 6 the heat exchanger 3, with a fuel filter 4 is connected in series, is supplied and then via the supply line 11 in the injection pump 10 is introduced, the unused amount of supplied fuel to the injection pump 10 via the Leakage line 15 back into the lubricating oil sump 22 returned becomes.
  • the tank 1 When operating the method is cold natural oil the tank 1 via the pump 9 in the system circuit of Transmission oil lubrication initiated and via the hydraulic / transmission oil pump 14 and the hydraulic / transmission oil filter 17 of the hydraulic distribution 26 and the level-controlled Transmission oil sump of the transmission housing 23 supplied.
  • a natural oil amount of 50-100 dm 3 / min is relatively cool and consequently with a high viscosity for the tooth flank lubrication and the hydraulic oil distribution 26 for about 100 times continuously in the transmission oil circulation 28, 12 driven, so that the transmission oil on the Cooler 29 is kept at the relatively cool temperature to maintain the high viscosity of the gear oil for the tooth flank lubrication and the hydraulic distribution 26.
  • the lubricating oil is continuously pumped by means of an oil pump 31 via the built-in engine 2 lubricating oil / coolant heat exchanger 33 and then as cooled lubricating oil over the Lubricating oil filter 16 of the pressure circulation lubrication, not shown, and finally fed to the 'lubricating oil sump 22.
  • 0.5-1 dm 3 / min of lubricating oil is withdrawn from the lubricating oil sump as lost fuel and fed to the heat exchanger 3, which is connected in series with the fuel filter 4, on the hot side 5, that on the cold side 5 with warm lubricating oil is acted upon from the transmission housing 23.
  • the lubricating oil by the flowing in countercurrent warm gear oil, which is controlled via the line 7, the lubricating oil pump 18, the lockable control valve 32, which is controlled by the level control 30 of the lubricating oil sump 22 and the transmission oil return line 24 from the transmission housing 23 to the heat exchanger. 3 is fed, cooled to the optimum viscosity of about 10 mm 2 / s and then introduced via the supply line in the injection pump 10 as fuel.
  • the heat exchanger 3 cold side flowed through transmission oil is connected via the connected to the heat exchanger 3 Lubricating oil line 21 in the lubricating oil sump 22 to Support for the cooling of the lubricating oil initiated.
  • the warm transmission oil return is supplied from the transmission 23 and the Control of the pump 9 by the level control 25 in the transmission housing 23 for supplying the fresh natural oil is ensured that regularly fresh natural oil depending on the fuel consumed and possible Leaks exclusively through the system cycle the transmission oil is supplied to the entire system, whereby at the same time a permanent renewal of the supply cycle is achieved with natural oil.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Details Of Gearings (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
EP04027278A 2003-11-18 2004-11-17 Méthode de fonctionnement d'un véhicule propulsé par un moteur à combustion utilisant des huiles naturelles Withdrawn EP1533487A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10353859 2003-11-18
DE10353859A DE10353859B4 (de) 2002-11-28 2003-11-18 Verfahren zum Betreiben von Fahrzeugen und selbstfahrenden Arbeitsmaschinen, die mit einem Naturöl betriebenen Dieselmotor ausgerüstet sind

Publications (2)

Publication Number Publication Date
EP1533487A2 true EP1533487A2 (fr) 2005-05-25
EP1533487A3 EP1533487A3 (fr) 2009-12-09

Family

ID=34428786

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Application Number Title Priority Date Filing Date
EP04027278A Withdrawn EP1533487A3 (fr) 2003-11-18 2004-11-17 Méthode de fonctionnement d'un véhicule propulsé par un moteur à combustion utilisant des huiles naturelles

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EP (1) EP1533487A3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT502968B1 (de) * 2007-01-15 2008-06-15 Avl List Gmbh Antriebssystem

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2656223A1 (de) 1976-12-11 1978-06-15 Elsbett L Brennkraftmaschine, insbesondere dieselmotor
DE3800585A1 (de) 1987-01-13 1988-07-28 Kloeckner Humboldt Deutz Ag Vorrichtung zum alternativen betreiben einer dieselbrennkraftmaschine mit dieseloel und rapsoel
DE4418856A1 (de) 1994-05-30 1995-12-07 Robur Werke Gmbh I L Verfahren und Einrichtung zum Einsatz von Pflanzenölkraftstoff und/oder verflüssigtem Fett in herkömmlichen Dieselmotoren
DE19817976C2 (de) 1998-04-22 2002-05-16 Anlagen Und Antriebstechnik No Verfahren zum Betreiben eines Motors mit einem viskosen, brennbaren, flüssigen Kraftstoff, vorzugsweise einem Naturöl

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002174145A (ja) * 2000-12-06 2002-06-21 Komatsu Ltd エンジンでのオイル燃焼化方法及びその装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2656223A1 (de) 1976-12-11 1978-06-15 Elsbett L Brennkraftmaschine, insbesondere dieselmotor
DE3800585A1 (de) 1987-01-13 1988-07-28 Kloeckner Humboldt Deutz Ag Vorrichtung zum alternativen betreiben einer dieselbrennkraftmaschine mit dieseloel und rapsoel
DE4418856A1 (de) 1994-05-30 1995-12-07 Robur Werke Gmbh I L Verfahren und Einrichtung zum Einsatz von Pflanzenölkraftstoff und/oder verflüssigtem Fett in herkömmlichen Dieselmotoren
DE19817976C2 (de) 1998-04-22 2002-05-16 Anlagen Und Antriebstechnik No Verfahren zum Betreiben eines Motors mit einem viskosen, brennbaren, flüssigen Kraftstoff, vorzugsweise einem Naturöl

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT502968B1 (de) * 2007-01-15 2008-06-15 Avl List Gmbh Antriebssystem

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EP1533487A3 (fr) 2009-12-09

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