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EP0358861B1 - Device for purifying a lubricant - Google Patents

Device for purifying a lubricant Download PDF

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Publication number
EP0358861B1
EP0358861B1 EP89111050A EP89111050A EP0358861B1 EP 0358861 B1 EP0358861 B1 EP 0358861B1 EP 89111050 A EP89111050 A EP 89111050A EP 89111050 A EP89111050 A EP 89111050A EP 0358861 B1 EP0358861 B1 EP 0358861B1
Authority
EP
European Patent Office
Prior art keywords
oil
filter
duct
flange
crankcase
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.)
Expired - Lifetime
Application number
EP89111050A
Other languages
German (de)
French (fr)
Other versions
EP0358861A1 (en
Inventor
Manfred Dipl.-Ing. Batzill
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche 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 Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP0358861A1 publication Critical patent/EP0358861A1/en
Application granted granted Critical
Publication of EP0358861B1 publication Critical patent/EP0358861B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Definitions

  • the invention relates to a device for cleaning lubricating oil according to the preamble of claim 1.
  • a device in which the contaminated oil is conveyed by a pump driven by the internal combustion engine and first flows through a supply channel into an annular channel accommodated in the oil filter flange and from there into the filter housing is known from DE-A-33 44 568.
  • the clean oil chamber of the oil filter is emptied via a channel in the flow direction below the filter. This delays the build-up of the necessary oil pressure when the engine is restarted.
  • the object of the invention is to prevent the oil filter from being emptied when the engine is switched off.
  • the oil supply channel is guided so close to the ring channel that it has a reduced depth in the area of the oil supply channel. Furthermore, the web enclosed by the ring channel is at a short distance from the plane running through the flange connection surface.
  • the advantage that can be achieved with this invention is, in particular, that the oil level in the filter after the engine has been switched off, despite a filter arrangement well above the oil level of the engine oil, does not drop below the top level of the central bore leading to the main oil channel.
  • the oil filter is therefore always more than half full. This ensures a quick build-up of oil pressure after starting the engine.
  • this arrangement enables a material-saving, cast-appropriate design of the crankcase in the region of the oil filter flange and the attachment of the oil supply channel bore in the same clamping of the crankcase half in which the crankcase separating surface is machined.
  • the somewhat back end face of the web enclosed by the ring channel reduces the surface of the flange connection surface to be machined.
  • an oil filter is arranged hanging vertically on a filter flange of a crankcase part.
  • An oil supply channel supplied by an oil pump opens into an annular channel of the filter flange, which is connected with a central bore to a main oil channel supplying the engine with pure oil.
  • An oil filter 1 is attached to the filter flange 2 of an internal combustion engine 3 .
  • the dirty oil delivered by an oil pump 4 flows through an oil supply channel 6 arranged in the crankcase upper part 5 of the internal combustion engine 3 into an annular channel 7 in the filter flange 2 .
  • the dirty oil passes through a junction 8 from the oil supply channel 6 into the ring channel 7 , which arises from the penetration of the ring channel 7 with the bore for the oil supply channel 6 .
  • the oil feed passage 6 7 does not intersect the annular channel below a central bore 9, the depth of the annular channel 7 is reduced in a part 10 of the filter flange 2 close to the oil supply passage. 6
  • the dirty oil flows out of the ring channel 7 through inlet openings 11 into the oil filter 1 .
  • an annular dirty oil chamber 12 which is delimited on the outside by a sheet metal housing 13 and on the inside by a filter cartridge 14 .
  • the dirty oil is cleaned in the filter cartridge 14 and then emerges as pure oil through the central bore 9 into a main oil channel 15 .
  • the main oil channel 15 supplies the internal combustion engine 3 with pure oil and is located above the central bore 9 . Since the junction 8 and the main oil channel 15 are above the central bore 9 , the sinks Filter oil level S (FIG. 2) with the internal combustion engine 3 switched off not below the level of the junction 8 in the ring channel 7 .
  • the material thickness in the area of the filter flange 2 is increased to such an extent that the oil supply channel 6 can be produced as a bore perpendicular to the plane of the crankcase division.
  • An end face 16 facing the oil filter 1 of a web 17 enclosed by the annular channel 7 has a slight distance H from a flange connection face 18 and thereby reduces the size of the surface to be machined for an oil-tight fit of the oil filter 1 . Furthermore, the distance H enables a uniform oil entry through all circularly arranged inlet openings 11 into the dirty oil chamber 12 .

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

Description

Die Erfindung betrifft eine Vorrichtung zum Reinigen von Schmieröl nach dem Oberbegriff des Anspruchs 1.The invention relates to a device for cleaning lubricating oil according to the preamble of claim 1.

Eine Vorrichtung, bei der das verschmutzte Öl von einer durch den Verbrennungsmotor angetriebenen Pumpe gefördert wird und zunächst durch einen Zufuhrkanal in einen im Ölfilterflansch untergebrachten, ringförmigen Kanal und von dort in das Filtergehäuse strömt, ist aus DE-A-33 44 568 bekannt. Hierbei entleert sich bei abgestelltem Motor der Reinölraum des Ölfilters über einen in Strömungsrichtung unterhalb des Filters liegenden Kanal. Dadurch wird der Aufbau des nötigen Öldruckes bei dem erneuten Starten des Motors verzögert.A device in which the contaminated oil is conveyed by a pump driven by the internal combustion engine and first flows through a supply channel into an annular channel accommodated in the oil filter flange and from there into the filter housing is known from DE-A-33 44 568. When the engine is switched off, the clean oil chamber of the oil filter is emptied via a channel in the flow direction below the filter. This delays the build-up of the necessary oil pressure when the engine is restarted.

Der Erfindung liegt die Aufgabe zugrunde, ein Entleeren des Ölfilters bei abgestelltem Motor zu verhindern.The object of the invention is to prevent the oil filter from being emptied when the engine is switched off.

Die Aufgabe wird erfindungsgemäß mit den kennzeichnenden Merkmalen des Anspruchs 1 gelöst.The object is achieved with the characterizing features of claim 1.

Um eine solche Vorrichtung in einfacher Weise zu realisieren, ist in weiterer Gestaltung der Erfindung der Ölzufuhrkanal so dicht an den Ringkanal geführt, daß dieser im Bereich des Ölzufuhrkanales eine verringerte Tiefe aufweist. Weiterhin hat der von dem Ringkanal umschlossene Steg einen geringen Abstand von der durch die Flanschanschlußfläche verlaufenden Ebene.In order to implement such a device in a simple manner, in a further embodiment of the invention the oil supply channel is guided so close to the ring channel that it has a reduced depth in the area of the oil supply channel. Furthermore, the web enclosed by the ring channel is at a short distance from the plane running through the flange connection surface.

Der mit dieser Erfindung erzielbare Vorteil besteht insbesondere darin, daß der ölstand in dem Filter nach dem Abstellen des Motors trotz einer Filteranordnung deutlich über dem Ölstand der Motorölwann nicht unter das oberste Niveau der zum Hauptölkanal führenden Zentralbohrung sinkt. Der Ölfilter ist somit ständig mehr als zur Hälfte gefüllt. Ein schneller Öldruckaufbau nach dem Anlassen des Motors ist dadurch gewährleistet. Durch das Heranführen des Ölzufuhrkanales dicht an die Flanschschlußfläche tritt die Bohrung direkt in den Ringkanal, so daß keine weitere Verbindung vom Ölzufuhrkanal zum Ringkanal notwendig ist. Weiterhin ermöglicht diese Anordnung eine materialsparende, gußgerechte Gestaltung des Kurbelgehäuses im Bereich des Ölfilterflansches und das Anbringen der Ölzufuhrkanalbohrung in der gleichen Aufspannung der Kurbelgehäusehälfte, in der die Kurbelgehäusetrennfläche bearbeitet wird. Schließlich reduziert die etwas zurückliegende Stirnfläche des vom Ringkanal umschlossenen Steges die zu bearbeitende Oberfläche der Flanschanschlußfläche.The advantage that can be achieved with this invention is, in particular, that the oil level in the filter after the engine has been switched off, despite a filter arrangement well above the oil level of the engine oil, does not drop below the top level of the central bore leading to the main oil channel. The oil filter is therefore always more than half full. This ensures a quick build-up of oil pressure after starting the engine. By bringing the oil supply channel close to the flange end face the hole directly into the ring channel, so that no further connection from the oil supply channel to the ring channel is necessary. Furthermore, this arrangement enables a material-saving, cast-appropriate design of the crankcase in the region of the oil filter flange and the attachment of the oil supply channel bore in the same clamping of the crankcase half in which the crankcase separating surface is machined. Finally, the somewhat back end face of the web enclosed by the ring channel reduces the surface of the flange connection surface to be machined.

Eine weitere, ein Entleeren des Ölfilters verhindernde Anordnung ist aus der DE-C-10 34 923 bekannt. Hierbei ist senkrecht an einem Filterflansch eines Kurbelgehäuseteiles hängend ein Ölfilter angeordnet. Ein von einer Ölpumpe versorgter Ölzufuhrkanal mündet in einen ringförmigen Kanal des Filterflansches, der mit einer Zentralbohrung an einen den Motor mit Reinöl versorgenden Hauptölkanal angeschlossen ist.Another arrangement that prevents the oil filter from being emptied is known from DE-C-10 34 923. Here, an oil filter is arranged hanging vertically on a filter flange of a crankcase part. An oil supply channel supplied by an oil pump opens into an annular channel of the filter flange, which is connected with a central bore to a main oil channel supplying the engine with pure oil.

Im folgenden wird anhand von Zeichnungen ein Ausführungsbeispiel der Erfindung näher erläutert.An exemplary embodiment of the invention is explained in more detail below with reference to drawings.

Es zeigt:

  • Fig. 1 einen Schnitt durch eine Brennkraftmaschine mit einer Vorrichtung zum Reinigen von Schmieröl,
  • Fig. 2 einen Schnitt durch einen am Flansch montierten Ölfilter,
  • Fig. 3 einen Schnitt entlang der Linie III-III aus Fig. 2,
  • Fig. 4 einen Schnitt entlang der Linie IV-IV aus Fig. 3.
It shows:
  • 1 shows a section through an internal combustion engine with a device for cleaning lubricating oil,
  • 2 shows a section through an oil filter mounted on the flange,
  • 3 shows a section along the line III-III from FIG. 2,
  • FIG. 4 shows a section along the line IV-IV from FIG. 3.

Ein Ölfilter 1 ist am Filterflansch 2 eines Verbrennungsmotors 3 befestigt. Das von einer Ölpumpe 4 geförderte Schmutzöl strömt durch einen im Kurbelgehäuseoberteil 5 des Verbrennungsmotors 3 angebrachten Ölzufuhrkanal 6 in einen Ringkanal 7 im Filterflansch 2.
Das Schmutzöl tritt durch eine Einmündungsstelle 8 aus dem Ölzufuhrkanal 6 in den Ringkanal 7, die aus der Durchdringung des Ringkanals 7 mit der Bohrung für den Ölzufuhrkanal 6 entsteht.
Damit der Ölzufuhrkanal 6 den Ringkanal 7 nicht unterhalb einer Zentralbohrung 9 schneidet, ist die Tiefe des Ringkanals 7 in einem Teil 10 des Filterflansches 2 nahe dem Ölzufuhrkanal 6 verringert. Das Schmutzöl strömt aus dem Ringkanal 7 durch Eintrittsöffnungen 11 in den Ölfilter 1. Dort durchströmt es zunächst einen ringförmigen Schmutzölraum 12, der außen von einem Blechgehäuse 13 und innen durch eine Filterpatrone 14 begrenzt wird. Das Schmutzöl wird in der Filterpatrone 14 gereinigt und tritt anschließend als Reinöl durch die Zentralbohrung 9 in einen Hauptölkanal 15 aus. Der Hauptölkanal 15 versorgt den Verbrennungsmotor 3 mit Reinöl und liegt oberhalb der Zentralbohrung 9. Da die Einmündungsstelle 8 und der Hauptölkanal 15 oberhalb der Zentralbohrung 9 liegen, sinkt der Filterölstand S (Fig. 2) bei abgestelltem Verbrennungsmotor 3 nicht unter die Höhe der Einmündungsstelle 8 in dem Ringkanal 7.An oil filter 1 is attached to the filter flange 2 of an internal combustion engine 3 . The dirty oil delivered by an oil pump 4 flows through an oil supply channel 6 arranged in the crankcase upper part 5 of the internal combustion engine 3 into an annular channel 7 in the filter flange 2 .
The dirty oil passes through a junction 8 from the oil supply channel 6 into the ring channel 7 , which arises from the penetration of the ring channel 7 with the bore for the oil supply channel 6 .
Thus, the oil feed passage 6 7 does not intersect the annular channel below a central bore 9, the depth of the annular channel 7 is reduced in a part 10 of the filter flange 2 close to the oil supply passage. 6 The dirty oil flows out of the ring channel 7 through inlet openings 11 into the oil filter 1 . There it initially flows through an annular dirty oil chamber 12 , which is delimited on the outside by a sheet metal housing 13 and on the inside by a filter cartridge 14 . The dirty oil is cleaned in the filter cartridge 14 and then emerges as pure oil through the central bore 9 into a main oil channel 15 . The main oil channel 15 supplies the internal combustion engine 3 with pure oil and is located above the central bore 9 . Since the junction 8 and the main oil channel 15 are above the central bore 9 , the sinks Filter oil level S (FIG. 2) with the internal combustion engine 3 switched off not below the level of the junction 8 in the ring channel 7 .

Um den Bearbeitungsaufwand am Kurbelgehäuseoberteil 5 gering zu halten, ist dessen Materialstärke im Bereich des Filterflansches 2 soweit erhöht, daß der Ölzufuhrkanal 6 senkrecht zur Kurbelgehäuseteilungsebene als Bohrung hergestellt werden kann.
Eine dem Ölfilter 1 zugewandte Stirnfläche 16 eines vom Ringkanal 7 umschlossenen Steges 17 hat einen geringfügigen Abstand H gegenüber einer Flanschanschlußfläche 18 und verringert dadurch die Größe der für einen öldichten Sitz des Ölfilters 1 zu bearbeitenden Fläche. Weiterhin ermöglicht der Abstand H einen gleichmäßigen Öleintritt durch alle kreisförmig angeordneten Eintrittsöffnungen 11 in den Schmutzölraum 12.In order to keep the machining effort on the crankcase upper part 5 low, the material thickness in the area of the filter flange 2 is increased to such an extent that the oil supply channel 6 can be produced as a bore perpendicular to the plane of the crankcase division.
An end face 16 facing the oil filter 1 of a web 17 enclosed by the annular channel 7 has a slight distance H from a flange connection face 18 and thereby reduces the size of the surface to be machined for an oil-tight fit of the oil filter 1 . Furthermore, the distance H enables a uniform oil entry through all circularly arranged inlet openings 11 into the dirty oil chamber 12 .

Claims (3)

  1. A device for cleaning lubricating oil of an internal combustion engine (3) with an oil filter (1) flange-mounted externally on an upper part (5) of the crankcase above the oil level of the engine oil sump and with an oil-feed duct (6) supplied by an oil pump (4) driven by the internal combustion engine (3), the oil-feed duct (6) opening into an annular duct (7) in the filter flange on the engine, and with a central bore (9) arranged centrally in the filter flange (2) and connected to a main oil duct (15) extending above the central bore (9) and supplying the internal combustion engine (3) with clean oil, characterized in that the oil-feed duct (6) extends vertically upwards in the crankcase part (5) from a separation plane of the crankcase and there directly opens in such a way into the annular duct (7) extending in the filter flange (2) arranged vertically, that an opening (8) is situated above the central bore (9) leading to the main oil duct (15).
  2. A device according to Claim 1, characterized in that in the region of the opening (8) the annular duct (7) has a lesser depth on part (10) of its periphery than on the remainder of its periphery.
  3. A device according to Claim 2, characterized in that the annular duct (7) is formed by a U-shaped depression in the filter flange (2), and the end face (16) of a web (17) surrounded by the annular duct (7) is situated at a distance (H) behind the flange connexion face (18).
EP89111050A 1988-08-13 1989-06-19 Device for purifying a lubricant Expired - Lifetime EP0358861B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3827570A DE3827570A1 (en) 1988-08-13 1988-08-13 DEVICE FOR CLEANING LUBRICANT OIL
DE3827570 1988-08-13

Publications (2)

Publication Number Publication Date
EP0358861A1 EP0358861A1 (en) 1990-03-21
EP0358861B1 true EP0358861B1 (en) 1993-03-10

Family

ID=6360822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89111050A Expired - Lifetime EP0358861B1 (en) 1988-08-13 1989-06-19 Device for purifying a lubricant

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US (1) US4922871A (en)
EP (1) EP0358861B1 (en)
DE (2) DE3827570A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19700564A1 (en) * 1997-01-10 1998-07-16 Mann & Hummel Filter Filters, in particular for the lubricating oil of an internal combustion engine
JP3279211B2 (en) * 1997-01-17 2002-04-30 スズキ株式会社 Engine lubricating oil passage structure
CN105041422A (en) * 2015-09-03 2015-11-11 江西昌河汽车有限责任公司 Sump strainer
JP6646569B2 (en) * 2016-12-28 2020-02-14 株式会社クボタ engine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1892443A (en) * 1927-02-14 1932-12-27 Charles A Winslow Lubricating system for hydrocarbon engines and the like
US2575315A (en) * 1945-05-23 1951-11-13 Edwards Miles Lowell Lubricant foam control system for engines
GB848175A (en) * 1957-11-16 1960-09-14 Ferdinand Anton Ernst Porsche Improved lubricating system for internal combustion engines
US3295507A (en) * 1964-07-06 1967-01-03 Aaron D Carter Lubrication system for internal combustion engines
GB1142899A (en) * 1966-08-30 1969-02-12 Kloeckner Humboldt Deutz Ag Improvements in or relating to internal combustion engines
US4151823A (en) * 1977-07-28 1979-05-01 Grosse Leland J Quick-change oil filter/reservoir system for internal combustion engine
CH627234A5 (en) * 1978-04-21 1981-12-31 Bbc Brown Boveri & Cie
US4324213A (en) * 1980-01-21 1982-04-13 Cummins Engine Company, Inc. Lubrication fluid filtering and cooling assembly
JPS5996410A (en) * 1982-11-24 1984-06-02 Honda Motor Co Ltd Device for lubricating oil passage in internal-combustion engine
DE3344568C2 (en) * 1983-12-09 1986-02-13 Daimler-Benz Ag, 7000 Stuttgart Filter arrangement
JPH027211Y2 (en) * 1985-06-03 1990-02-21
JPS61160510A (en) * 1984-12-14 1986-07-21 Honda Motor Co Ltd Lubrication oil passage device in water-cooled internal-combustion engine
DE8605163U1 (en) * 1986-02-26 1986-04-30 Speier, Franz, 56427 Siershahn Engine block for motorcycles

Also Published As

Publication number Publication date
EP0358861A1 (en) 1990-03-21
DE3827570A1 (en) 1990-02-15
DE58903707D1 (en) 1993-04-15
US4922871A (en) 1990-05-08

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