DE4128431A1 - Lubrication feed for reciprocating IC-engine - involves positioning of valve for maintaining oil pressure outside crank case - Google Patents

Lubrication feed for reciprocating IC-engine - involves positioning of valve for maintaining oil pressure outside crank case

Info

Publication number
DE4128431A1
DE4128431A1 DE19914128431 DE4128431A DE4128431A1 DE 4128431 A1 DE4128431 A1 DE 4128431A1 DE 19914128431 DE19914128431 DE 19914128431 DE 4128431 A DE4128431 A DE 4128431A DE 4128431 A1 DE4128431 A1 DE 4128431A1
Authority
DE
Germany
Prior art keywords
valve
oil
pressure
lubricating oil
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.)
Ceased
Application number
DE19914128431
Other languages
German (de)
Inventor
Juergen Dipl Ing Wahnschaffe
Lothar Bauer
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.)
Deutz AG
Original Assignee
Kloeckner Humboldt Deutz 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
Application filed by Kloeckner Humboldt Deutz AG filed Critical Kloeckner Humboldt Deutz AG
Priority to DE19914128431 priority Critical patent/DE4128431A1/en
Publication of DE4128431A1 publication Critical patent/DE4128431A1/en
Ceased legal-status Critical Current

Links

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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
    • 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
    • F01M1/00—Pressure lubrication
    • F01M1/16—Controlling lubricant pressure or quantity
    • 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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • 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
    • F01M1/00—Pressure lubrication
    • F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
    • F01M2001/105—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the layout of the purification arrangements
    • F01M2001/1092—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the layout of the purification arrangements comprising valves bypassing the filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

The reciprocating piston combustion engine with a cylinder crank housing (1) and a lubrication system, has a pressure maintaining valve (2) provided in the lubrication feed. The valve is arranged vertically outside the crank housing at a point below the oil filter (8) and is secured by a valve screw (3). The valve can be mounted in a branch line extending at a right angle to the oil feed line. ADVANTAGE - Engine lubrication system having a valve which maintains an oil pressure at between 3.5 to 4.0 bar, and which is easy to clean.

Description

Die Erfindung betrifft eine Hubkolbenbrennkraftmaschine mit einem Zylinderkurbelgehäuse und mit einem Schmierölsystem, wobei im Schmierölsystem ein Druckhalteventil vor­ gesehen ist.The invention relates to a reciprocating piston internal combustion engine with a cylinder crankcase and with a lubricating oil system, with a pressure control valve in the lubricating oil system is seen.

Hubkolbenbrennkraftmaschinen benötigen ein Schmieröl­ system, das in der Regel als Umlaufdruckschmierung ausge­ bildet ist. Das Schmieröl wird von einer Schmierölpumpe aus dem Schmierölsumpf angesaugt und in das Schmieröl­ system gedrückt. Dieses weist ein mehr oder weniger weit verzweigtes Schmierölverteilnetz auf, das zu den einzelnen Schmierölverbrauchern führt. Um den erforderlichen Schmieröldruck im Schmierölsystem aufrecht zu erhalten, ist im Schmierölverteilnetz an der Hauptverteilleitung ein Druckhalteventil vorgesehen, daß den Schmieröldruck über einen weiten Drehzahl- und Temperaturbereich auf ca. 3,5 bis 4,0 bar konstant hält.Reciprocating internal combustion engines require a lubricating oil system, which is usually designed as circulation pressure lubrication forms is. The lubricating oil is from a lubricating oil pump sucked out of the lubricating oil sump and into the lubricating oil system pressed. This points a more or less far branched oil distribution network on that to the individual Lubricant consumers. To the required Maintain lubricating oil pressure in the lubricating oil system, is on the main distribution line in the lubricating oil distribution network Pressure maintaining valve provided that the lubricating oil pressure over a wide speed and temperature range to approx. 3.5 keeps constant up to 4.0 bar.

Um eine Ölverschäumung zu vermeiden, muß das vom Druckhal­ teventil abgesteuerte Schmieröl möglichst direkt zurück in den Ölsumpf gelangen. Deshalb wird das Druckhalteventil üblicherweise im Motorinnenraum in der Nähe des Ölsumpfes angeordnet. Da das Druckhalteventil bei niedrigen Motor­ drehzahlen nicht durchströmt wird, besteht die Gefahr der Verschmutzung, zum Beispiel durch Bearbeitungsspäne. Das kann zu einem Undichtwerden des Druckhalteventils führen und damit zu einem unerwünschten und motorgefährdenden Druckverlust im Schmierölsystem. Die übliche Anordnung des Druckhalteventils erfordert einen erheblichen Aufwand zur Überprüfung und Reinigung desselben, da normalerweise die Ölwanne demontiert werden muß.To avoid oil foaming, this must be done by the Druckhal the valve-controlled lubricating oil as directly as possible back in get the oil sump. That is why the pressure control valve usually in the engine compartment near the oil sump arranged. Because the pressure control valve at low engine is not flowed through, there is a risk of  Contamination, for example from machining chips. The can cause the pressure control valve to leak and thus to an undesirable and hazardous to the engine Pressure loss in the lubricating oil system. The usual arrangement of the Pressure maintaining valve requires a considerable effort Checking and cleaning the same, as usually the Oil pan must be dismantled.

Es ist deshalb Aufgabe der Erfindung, ein Druckhalteventil zu schaffen, das einfach zu reinigen ist.It is therefore an object of the invention to provide a pressure control valve to create that is easy to clean.

Die Aufgabe wird erfindungsgemäß gelöst durch die kenn­ zeichnenden Merkmale des Anspruchs 1. Durch die erfin­ dungsgemäße Lage des Druckhalteventils ist dieses ohne zu­ sätzliche Montagearbeiten zugänglich. Durch Lösen der Druckhalteventilschraube ist es einfach zu reinigen. Dabei gestattet die erfindungsgemäße Lage des Druckhalteventils und der Druckhalteventilschraube ein einfaches Entfernen der Schmutzteile, die nach Lösen der Druckhalteventil­ schraube nach unten fallen.The object is achieved by the kenn Drawing features of claim 1. By the inventions The position of the pressure control valve according to the invention is without additional assembly work accessible. By loosening the Pressure relief valve screw is easy to clean. Here allows the position of the pressure control valve according to the invention and the pressure relief valve screw easy removal the dirt parts after loosening the pressure control valve screw fall down.

Eine vorteilhafte Weiterbildung der Erfindung bewirkt ein verschäumungsfreies Rückfließen des abgesteuerten Schmier­ öls. Dabei kann auf zusätzliche Maßnahmen wie Drallbleche verzichtet werden. Der für die Schmierölrückführung aus dem Zylinderkopf erforderliche Ölabstiegskanal führt das abgesteuerte Schmieröl bis in die Nähe des Ölspiegels des Ölsumpfes.An advantageous development of the invention brings about Foaming-free backflow of the de-lubricated oil oil. Additional measures such as swirl plates can be used to be dispensed with. The one for the oil return this leads to the oil descent channel required for the cylinder head depleted lubricating oil close to the oil level of the Oil sump.

Eine vorteilhafte Ausbildung der Erfindung ermöglicht eine besonders kostensparende und montagefreundliche Ausführung des Druckhalteventils.An advantageous embodiment of the invention enables Particularly cost-saving and easy to install version of the pressure control valve.

Weitere Merkmale der Erfindung ergeben sich aus der fol­ genden Beschreibung und der Zeichnung, in der ein Aus­ führungsbeispiel der Erfindung schematisch dargestellt ist.Further features of the invention result from the fol ing description and the drawing in which an off  management example of the invention is shown schematically.

Die Abbildung zeigt einen Längsschnitt durch das Kurbelge­ häuse mit Ölabstiegkanal und angeflanschtem Druckhalteven­ til.The illustration shows a longitudinal section through the crank rim housing with oil drainage channel and flanged pressure retention valve til.

Aus der Abbildung geht die in etwa senkrechte Anordnung des Druckhalteventils 2 hervor. Dieses ist am Kurbelgehäu­ se 1 im Bereich des Ölabstiegkanals 5 angeflanscht. Dabei mündet die Ölabsteuerleitung 4 senkrecht in den Ölab­ steuerkanal 5.The illustration shows the approximately vertical arrangement of the pressure control valve 2 . This is flanged to the crankcase 1 in the area of the oil drain duct 5 . The oil control line 4 opens vertically into the oil control channel 5 .

Im Inneren des Druckhalteventils 2 ist ein Druckventilkör­ per 6 angeordnet, der von einer Druckventilfeder 7 auf einen Ventilsitz gedrückt wird. Die Druckventilfeder 7 stützt sich auf der Druckhalteventilschraube 3 ab, die wiederum das Druckhalteventil 2 nach außen öldruckdicht abschließt.Inside the pressure control valve 2 , a Druckventilkör is arranged by 6 , which is pressed by a pressure valve spring 7 on a valve seat. The pressure valve spring 7 is supported on the pressure control valve screw 3 , which in turn closes the pressure control valve 2 to the outside in an oil pressure-tight manner.

Abhängig vom Schmieröldruck steuert der Druckventilkörper 6 mehr oder weniger Schmieröl über die Ölabsteuerleitung 4 ab. Durch den senkrechten Aufprall des Schmieröls auf eine Wand des Ölabstiegkanals 5 wird die Energie des abge­ steuerten Schmieröls vernichtet, so daß dieses schaumfrei über den Ölabstiegkanal 5 in den nicht dargestellten Ölsumpf abfließt.Depending on the lubricating oil pressure, the pressure valve body 6 controls more or less lubricating oil via the oil control line 4 . By the vertical impact of the lubricating oil on a wall of the oil descent channel 5 , the energy of the abge controlled lubricating oil is destroyed so that it flows foam-free via the oil descent channel 5 in the oil sump, not shown.

Zur Kontrolle der Sauberkeit des Druckhalteventils muß le­ diglich die Druckhalteventilschraube 3 gelöst werden und die Druckventilfeder 7 mit dem Druckventilkörper 6 nach unten aus dem Druckhalteventil 2 genommen werden. Even­ tuell vorhandener Schmutz oder Späne fallen dann von selbst nach unten heraus. To check the cleanliness of the pressure control valve le diglich the pressure control valve screw 3 must be loosened and the pressure valve spring 7 with the pressure valve body 6 down from the pressure control valve 2 . Any dirt or shavings that may be present then fall out of their own accord.

Die gute Zugänglichkeit des Druckhalteventils fördert des­ sen häufige Reinigung und damit die Betriebssicherheit der Hubkolbenbrennkraftmaschine. Dem selben Zweck dient auch die schaumfreie Rückführung des Schmieröls in den Ölsumpf. Dadurch ist der Luftgehalt im Schmieröl gering, was ein sicheres Funktionieren der Schmierung und, bei Hydro­ stößeln, auch der Ventilsteuerung sicherstellt.The easy accessibility of the pressure control valve promotes the frequent cleaning and thus the operational safety of the Reciprocating internal combustion engine. It also serves the same purpose the foam-free return of the lubricating oil into the oil sump. As a result, the air content in the lubricating oil is low, which is a safe functioning of the lubrication and, at Hydro pestle, also ensures the valve control.

Claims (4)

1. Hubkolbenbrennkraftmaschine mit einem Zylinderkur­ belgehäuse (1) und mit einem Schmierölsystem, wobei im Schmierölsystem ein Druckhalteventil (2) vorgesehen ist, dadurch gekennzeichnet, daß das Druckhaltventil (2) außer­ halb des Zylinderkurbelgehäuses (1) angeordnet ist.1. reciprocating internal combustion engine with a Zylinderkur belgehäuse ( 1 ) and with a lubricating oil system, wherein in the lubricating oil system a pressure maintaining valve ( 2 ) is provided, characterized in that the pressure maintaining valve ( 2 ) is arranged outside of half of the cylinder crankcase ( 1 ). 2. Hubkolbenbrennkraftmaschine nach Anspruch 1, wobei das Druckhalteventil (2) eine Druckhalteventilschraube (3) aufweist, dadurch gekennzeichnet, daß das Druckhalteventil (2) in etwa senkrecht und die Druckhalteventilschraube (3) nach unten lösbar angeordnet sind.2. Reciprocating internal combustion engine according to claim 1, wherein the pressure holding valve ( 2 ) has a pressure holding valve screw ( 3 ), characterized in that the pressure holding valve ( 2 ) is arranged approximately vertically and the pressure holding valve screw ( 3 ) detachably downward. 3. Hubkolbenbrennkraftmaschine nach Anspruch 1 oder 2, mit einem Druckhalteventil (2), das eine Ölabsteuerleitung (4) aufweist, dadurch gekennzeichnet, daß die Ölabsteuerleitung (4) des Zylinderkurbelgehäuses (1) vorzugsweise rechtwinklig in einen Ölabstiegkanal (5) mündend angeordnet ist.3. Reciprocating internal combustion engine according to claim 1 or 2, with a pressure holding valve ( 2 ) which has an oil control line ( 4 ), characterized in that the oil control line ( 4 ) of the cylinder crankcase ( 1 ) is preferably arranged at right angles into an oil descent channel ( 5 ). 4. Hubkolbenbrennkraftmaschine nach einem der vorange­ gangenen Ansprüche, dadurch gekennzeichnet, daß das Druckhalteventil (2) ein­ stückig mit einer Schmierölkühler-Filtereinheit (8) ausge­ bildet ist.4. Reciprocating internal combustion engine according to one of the preceding claims, characterized in that the pressure holding valve ( 2 ) forms a piece with a lubricating oil cooler filter unit ( 8 ).
DE19914128431 1991-08-27 1991-08-27 Lubrication feed for reciprocating IC-engine - involves positioning of valve for maintaining oil pressure outside crank case Ceased DE4128431A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19914128431 DE4128431A1 (en) 1991-08-27 1991-08-27 Lubrication feed for reciprocating IC-engine - involves positioning of valve for maintaining oil pressure outside crank case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914128431 DE4128431A1 (en) 1991-08-27 1991-08-27 Lubrication feed for reciprocating IC-engine - involves positioning of valve for maintaining oil pressure outside crank case

Publications (1)

Publication Number Publication Date
DE4128431A1 true DE4128431A1 (en) 1993-03-04

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DE19914128431 Ceased DE4128431A1 (en) 1991-08-27 1991-08-27 Lubrication feed for reciprocating IC-engine - involves positioning of valve for maintaining oil pressure outside crank case

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1526582A1 (en) * 1966-05-14 1970-01-29 Kloeckner Humboldt Deutz Ag Device for automatic refilling of the oil supply in the crankcase of internal combustion engines
DE2413118A1 (en) * 1974-03-19 1975-10-09 Gliese Klaus Dieter Lubricating oil system for IC engine - has auxiliary oil tank to replenish sump when level falls
DE2611927A1 (en) * 1976-03-20 1977-09-22 Kloeckner Humboldt Deutz Ag LUBRICATING OIL SYSTEM FOR A COMBUSTION ENGINE

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1526582A1 (en) * 1966-05-14 1970-01-29 Kloeckner Humboldt Deutz Ag Device for automatic refilling of the oil supply in the crankcase of internal combustion engines
DE2413118A1 (en) * 1974-03-19 1975-10-09 Gliese Klaus Dieter Lubricating oil system for IC engine - has auxiliary oil tank to replenish sump when level falls
DE2611927A1 (en) * 1976-03-20 1977-09-22 Kloeckner Humboldt Deutz Ag LUBRICATING OIL SYSTEM FOR A COMBUSTION ENGINE

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Legal Events

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OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8127 New person/name/address of the applicant

Owner name: DEUTZ AKTIENGESELLSCHAFT, 51063 KOELN, DE

8110 Request for examination paragraph 44
8131 Rejection