DE1268902B - Crankcase ventilation of internal combustion engines, especially for motor vehicles - Google Patents
Crankcase ventilation of internal combustion engines, especially for motor vehiclesInfo
- Publication number
- DE1268902B DE1268902B DEP1268A DE1268902A DE1268902B DE 1268902 B DE1268902 B DE 1268902B DE P1268 A DEP1268 A DE P1268A DE 1268902 A DE1268902 A DE 1268902A DE 1268902 B DE1268902 B DE 1268902B
- Authority
- DE
- Germany
- Prior art keywords
- drain pipe
- crankcase ventilation
- internal combustion
- valve
- insert
- 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.)
- Pending
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
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M13/0405—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil arranged in covering members apertures, e.g. caps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
-
- 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
- F01M5/001—Heating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
DEUTSCHESGERMAN
PATENTAMTPATENT OFFICE
Int. α.:Int. α .:
Nummer:
Aktenzeichen:
Anmeldetag:
Auslegetag:Number:
File number:
Registration date:
Display day:
F02fF02f
Deutsche Kl.: 46 el -16/03German class: 46 el -16/03
1268 902
P 12 68 902.0-13
24.'Oktober 1963
22. Mai 19681268 902
P 12 68 902.0-13
October 24, 1963
May 22, 1968
Die Erfindung betrifft eine Kurbelgehäuseentlüftung von Brennkraftmaschinen, insbesondere für Kraftfahrzeuge, mit einer von einem Entlüftungsstutzen am Kurbelgehäuse nach oben zum Ansaugsystem geführten Verbindungsleitung, in die eine Kondensatabscheidungskammer eingeschaltet ist, aus der ein Ablaufrohr mit einem selbsttätig gesteuerten Absperrventil ins Freie führt.The invention relates to a crankcase ventilation of internal combustion engines, in particular for Motor vehicles, with one of a vent on the crankcase up to the intake system guided connecting line, in which a condensate separation chamber is turned on which leads a drain pipe with an automatically controlled shut-off valve to the outside.
Bei der nach der USA.-Patentschrift 2 652 819 bekannten Anordnung dieser Art ist die Kondensatabscheidungskammer baulich aufwendig gestaltet und als gesondertes Teil in der Verbindungsleitung angeordnet. Das Kondensat wird über ein vom Ansaugdruck des Motors oder von einem Solenoid gesteuertes Ventil abgelassen, das nur bei Stillstand des Motors geöffnet ist. Das Ventil weist keinerlei Wärmeschutz auf, so daß es bei niedrigen Außentemperaturen durch das anfallende Kondensat einfrieren kann. Bei längeren Fahrten und größeren Kondensatmengen besteht deshalb die Gefahr, daß so die Verbindungsleitung durch Eisbildung verstopft und das Abströmen der Gase gänzlich unterbunden wird mit der Folge, daß der Druck im Kurbelgehäuse ansteigt und Öl an den Dichtfugen, den Lagern oder sonstigen Stellen des Motors heraustritt.In the arrangement of this type known from US Pat. No. 2,652,819, the condensate separation chamber is structurally complex and arranged as a separate part in the connecting line. The condensate is drained through a valve controlled by the intake pressure of the motor or by a solenoid, which only works when the machine is at a standstill the engine is open. The valve has no thermal protection whatsoever, so that it can be used at low outside temperatures can freeze due to the accumulating condensate. For longer journeys and larger ones There is therefore a risk of condensate that the connecting line clogs up due to the formation of ice and the outflow of the gases is completely prevented with the result that the pressure in the crankcase increases and oil leaks out of the sealing joints, the bearings or other parts of the engine.
Der Erfindung liegt die Aufgabe zugrunde, bei der eingangs genannten Kurbelgehäuseentlüftung mit geschlossenem Rohrsystem die Kondensatkammer und ihre mit einem selbsttätigen Ablaßventil versehene Ablaßleitung einfach und für eine billige Massenfertigung geeignet so auszubilden und anzuordnen, daß einerseits keine Abgase aus dem Kurbelgehäuse nach außen gelangen und dort zur Smogbildung führen, andererseits aber das Kondensat laufend abfließen kann und keine Eisbildung stattfindet. The invention is based on the object with the crankcase ventilation mentioned at the beginning closed pipe system, the condensate chamber and its provided with an automatic drain valve The drain line can be designed and arranged simply and suitable for inexpensive mass production in such a way that that on the one hand no exhaust gases get out of the crankcase and cause smog there lead, but on the other hand the condensate can flow off continuously and no ice formation takes place.
Erfindungsgemäß wird die Aufgabe dadurch gelöst, daß die Verbindungsleitung und das Ablaufrohr in jeweils an sich bekannter Weise in die seitlich an einem auf den Entlüftungsstutzen aufgesetzten Einsatzstück angeordnete Kondenskammer münden und daß die selbsttätige Steuerung in Abhängigkeit von der Höhe des angesammelten Kondensates erfolgt, das in dem Ablaufrohr oberhalb des Absperrventils steht, wobei das Ablaufrohr mit dem in an sich bekannter Weise als Rückschlagventil in Form einer geschlitzten Gummikappe ausgebildeten Ventil im Bereich der Abwärme der Brennkraftmaschine angeordnet ist.According to the invention the object is achieved in that the connecting line and the drain pipe in a manner known per se in the one placed on the side of the vent nozzle Insert arranged condensation chamber open and that the automatic control as a function from the level of the accumulated condensate in the drain pipe above the shut-off valve stands, the drain pipe with the in a known manner as a check valve in Valve in the form of a slotted rubber cap in the area of waste heat from the internal combustion engine is arranged.
In weiterer Ausbildung der Erfindung ist die Kondensatkammer durch eine Erweiterung des Einsatzstückes in dessen unterem Bereich gebildet.In a further embodiment of the invention, the condensate chamber is through an extension of the Insert piece formed in its lower area.
Kurbelgehäuseentlüftung von Brennkraftmaschinen, insbesondere für KraftfahrzeugeCrankcase ventilation of internal combustion engines, in particular for motor vehicles
Anmelder:Applicant:
Volkswagenwerk Aktiengesellschaft,Volkswagenwerk Aktiengesellschaft,
3180 Wolfsburg3180 Wolfsburg
Als Erfinder benannt:Named as inventor:
Lothar Schauer,Lothar Schauer,
Hugo Schädle, 3180 WolfsburgHugo Schädle, 3180 Wolfsburg
Dabei können in das Einsatzstück vor dem Einlaß in den Entlüftungsstutzen ein Sieb, beispielsweise aus Draht- oder Kunststoffgewebe, und vor dem Sieb im Entlüftungsstutzen ein oder mehrere Drosselblenden eingebaut sein. Zur Erwärmung ist das Ablaufrohr in dem Warmluftstrom der aus der Zylinderverkleidung einer luftgekühlten Brennkraftmaschine austretenden Kühlluft angeordnet.A sieve, for example, can be placed in the insert before the inlet into the vent made of wire or plastic mesh, and one or more throttle orifices in front of the sieve in the ventilation nozzle be built in. For heating, the drain pipe is in the hot air flow from the Cylinder lining of an air-cooled internal combustion engine arranged cooling air exiting.
Die Erfindung zeichnet sich durch Einfachheit und sichere Betriebsweise aus, durch die unter allen vorkommenden Verhältnissen eine gute Entlüftung des Kurbelgehäuses erreicht wird. Das konstruktiv sehr einfache Gummiventil verhindert wirksam den Austritt von öldünsten und Abgasen aus dem Kurbelgehäuse ins Freie, ist aber gleichzeitig so empfindlich ausgebildet, daß schon das Gewicht geringer Kondensatmengen zum öffnen des Schlitzes ausreichen. Es findet also eine laufende Entleerung des Rohrstutzens am Ventil statt, in dem deshalb stets nur eine kleine, für die Abdichtung des Ventils nach außen jedoch erwünschte Restwassermenge zurückbleibt. Die Lage des Ablaßrohres mit dem Abflußventil im Warmluftstrom und neben dem Abgasschalldämpfer gewährleistet, daß die etwa nach dem Abstellen des Motors im Rohrende gefrorene geringe Wassermenge bei der Wiederinbetriebnahme der Maschine schnell wieder auftraut. Die Anordnung der Kondensatkammer unmittelbar auf dem Entlüfterstutzen sorgt für sofortige Ausscheidung des Wassers aus den Gasen nach ihrem Austritt aus dem Kurbelgehäuse, so daß auch die Verbindungsleitung nicht vereisen kann.The invention is characterized by simplicity and safe operation, through which all good ventilation of the crankcase is achieved. That constructively very simple rubber valve effectively prevents the escape of oil vapors and exhaust gases from the crankcase into the open air, but at the same time it is so sensitive that even the weight of small amounts of condensate sufficient to open the slot. So there is a continuous emptying of the pipe socket instead of on the valve, in which therefore always only a small one for sealing the valve after however, the desired amount of residual water remains outside. The location of the drain pipe with the drain valve in the warm air flow and next to the exhaust silencer ensures that the approximately after Stopping the motor in the end of the pipe frozen small amount of water when restarting the Machine opens again quickly. The arrangement of the condensate chamber directly on the vent nozzle ensures immediate elimination of the water from the gases after they leave the Crankcase so that the connecting line cannot freeze up.
Die Erfindung ist in der Zeichnung an Hand eines Ausführungsbeispiels dargestellt und nachfolgend beschrieben. Die Zeichnung zeigt inThe invention is illustrated in the drawing using an exemplary embodiment and below described. The drawing shows in
F i g. 1 die Ansicht und inF i g. 1 the view and in
F i g. 2 einen Ausschnitt der Seitenansicht einesF i g. 2 shows a detail of the side view of a
809 550/224809 550/224
Motors, der mit der erfindungsgemäßen Entlüftungseinrichtung ausgerüstet ist.Motor equipped with the ventilation device according to the invention.
Das Kurbelgehäuse 1 des Motors trägt auf seinem Öleinfüll- und Entlüftungsstutzen 2 einen mit einem Deckel 3 versehenen Einsatz 4. Der Einsatz 4 enthält ein Innenrohr 5, in das eine den Gasdurchsatz begrenzende Drosselblende 6 und ein Sieb 7 aus Metallgewebe oder Kunststoffgeflecht zum Auffangen von herausspritzendem Öl eingebaut sind. Das Gehäuse des Einsatzes 4 umfaßt das Innenrohr 5 mit weitem Abstand vom Umfang und am zum Deckel 3 gelegenen Ende und erweitert sich im unteren Bereich zu einer Kondenskammer 8. Von dieser Kondenskammer 8 zweigt nach oben die eigentliche, die abgesaugten Gase führende Verbindungsleitung 9 ab, die in das Luftfilter 10 am Ansaugrohr 11 bzw. am Vergaser des Motors mündet. An ihrer tiefsten Stelle trägt die Kondensatorkammer 8 ein nach unten ragendes Ablaßrohr 12, das am Ende durch eine mit einem einfachen Schlitz 13 versehene GummikappeThe crankcase 1 of the engine carries on its oil filler and vent 2 with a Cover 3 provided insert 4. The insert 4 contains an inner tube 5, in which the gas throughput limiting throttle screen 6 and a sieve 7 made of metal mesh or plastic mesh for collecting are installed from splashing oil. The housing of the insert 4 includes the inner tube 5 wide distance from the circumference and at the end located to the cover 3 and widens in the lower area to a condensation chamber 8. From this condensation chamber 8 branches up the actual, the exhausted gases leading connection line 9, which in the air filter 10 on the intake pipe 11 or on Carburetor of the engine opens. At its lowest point, the condenser chamber 8 carries a downward protruding drain pipe 12, the end through a provided with a simple slot 13 rubber cap
14 abgeschlossen ist. Die Lage des Abflußrohres 12 ist so gewählt, daß es dicht am Abgasschalldämpfer14 is complete. The position of the drain pipe 12 is chosen so that it is close to the exhaust silencer
15 und an der Austrittsöffnung der die Motorzylinder15 and at the outlet opening of the engine cylinder
16 umgebenden Verkleidung 17 für die Kühlluft liegt. Die aus dem Kurbelgehäuse 1 abströmenden Gase16 surrounding cladding 17 for the cooling air. The gases flowing out of the crankcase 1
werden, bevor sie in das Luftfilter 10 gelangen, in der Kondensatorkammer 8 entspannt, wobei sich der in ihnen enthaltene Wasserdampf niederschlägt. Das Kondensat sammelt sich im Ablaßrohr 12 so hoch an, bis es infolge seines Gewichtes durch den Schlitz 13 in der Gummikappe 14 hindurchtritt und ins Freie abfließt, ohne daß auf dem gleichen Weg Gase entströmen oder umgekehrt Luft von außen in das Verbindungsrohr gelangt. Die Erwärmung des Ablaßrohres 12 durch den Warmluftstrom der aus der Zylinderverkleidung 17 austretenden Kühlluft und durch die Strahlungshitze des Auspufftopfes 15 verhindert eine Vereisung des Ablaßrohres 12 und seines Gummiventils 14.are, before they get into the air filter 10, relaxed in the condenser chamber 8, the in water vapor contained in them precipitates. The condensate collects in the drain pipe 12 so high that until it passes through the slot 13 in the rubber cap 14 due to its weight and into the open flows away without gases escaping in the same way or, conversely, air from outside into the Connecting pipe. The heating of the drain pipe 12 by the flow of hot air from the cooling air exiting the cylinder lining 17 and through the radiant heat of the muffler 15 prevents the drain pipe 12 and its rubber valve 14 from icing up.
Claims (5)
Deutsche Patentschriften Nr. 333 276, 1130 232; USA.-Patentschriften Nr. 2 083 983, 2 113 447,
642 052, 2 652 819, 2 731 958;Considered publications:
German Patent Nos. 333 276, 1130 232; U.S. Patent Nos. 2,083,983, 2,113,447,
642 052, 2,652,819, 2,731,958;
Mai 1962, S. 72."Revue Technique Automobile" magazine,
May 1962, p. 72.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP1268A DE1268902B (en) | 1960-07-27 | 1963-10-24 | Crankcase ventilation of internal combustion engines, especially for motor vehicles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4555060A | 1960-07-27 | 1960-07-27 | |
DEP1268A DE1268902B (en) | 1960-07-27 | 1963-10-24 | Crankcase ventilation of internal combustion engines, especially for motor vehicles |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1268902B true DE1268902B (en) | 1968-05-22 |
Family
ID=25751108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEP1268A Pending DE1268902B (en) | 1960-07-27 | 1963-10-24 | Crankcase ventilation of internal combustion engines, especially for motor vehicles |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1268902B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0690209A1 (en) | 1994-07-02 | 1996-01-03 | FILTERWERK MANN & HUMMEL GMBH | Crankcase ventilation for internal combustion engines |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE333276C (en) * | 1919-11-01 | 1921-02-21 | Kurt Schoene Dr Ing | Valve for pumps and compressors with a thin faceplate made of rubber or similar material |
US2083983A (en) * | 1936-01-27 | 1937-06-15 | William F Brenner | Dust seal for automotive engines |
US2113447A (en) * | 1934-03-20 | 1938-04-05 | Hardinge Franklin | Water separator for fluid lines |
US2642052A (en) * | 1952-10-25 | 1953-06-16 | Caterpillar Tractor Co | Engine crankcase breather and oil separator |
US2652819A (en) * | 1951-04-19 | 1953-09-22 | Dean S Nusbaum | Automatic drain valve for crankcase ventilators |
US2731958A (en) * | 1956-01-24 | Motor moisture |
-
1963
- 1963-10-24 DE DEP1268A patent/DE1268902B/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2731958A (en) * | 1956-01-24 | Motor moisture | ||
DE333276C (en) * | 1919-11-01 | 1921-02-21 | Kurt Schoene Dr Ing | Valve for pumps and compressors with a thin faceplate made of rubber or similar material |
US2113447A (en) * | 1934-03-20 | 1938-04-05 | Hardinge Franklin | Water separator for fluid lines |
US2083983A (en) * | 1936-01-27 | 1937-06-15 | William F Brenner | Dust seal for automotive engines |
US2652819A (en) * | 1951-04-19 | 1953-09-22 | Dean S Nusbaum | Automatic drain valve for crankcase ventilators |
US2642052A (en) * | 1952-10-25 | 1953-06-16 | Caterpillar Tractor Co | Engine crankcase breather and oil separator |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0690209A1 (en) | 1994-07-02 | 1996-01-03 | FILTERWERK MANN & HUMMEL GMBH | Crankcase ventilation for internal combustion engines |
US5579744A (en) * | 1994-07-02 | 1996-12-03 | Filterwerk Mann & Hummel Gmbh | Crankcase ventilator for internal combustion engines |
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