EP1156198A2 - Kolbenkühlung für Brennkraftmaschinen - Google Patents
Kolbenkühlung für Brennkraftmaschinen Download PDFInfo
- Publication number
- EP1156198A2 EP1156198A2 EP01106078A EP01106078A EP1156198A2 EP 1156198 A2 EP1156198 A2 EP 1156198A2 EP 01106078 A EP01106078 A EP 01106078A EP 01106078 A EP01106078 A EP 01106078A EP 1156198 A2 EP1156198 A2 EP 1156198A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- spray nozzles
- piston
- spray
- cylinder
- bore
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims description 11
- 238000002485 combustion reaction Methods 0.000 title claims description 4
- 239000007921 spray Substances 0.000 claims description 45
- 239000003921 oil Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 8
- 238000005461 lubrication Methods 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- F01P3/00—Liquid cooling
- F01P3/06—Arrangements for cooling pistons
- F01P3/08—Cooling of piston exterior only, e.g. by jets
Definitions
- the invention relates to a piston cooling system for internal combustion engines the generic term of claim 1.
- the invention is therefore based on the object, the manufacture and assembly of the To make spray nozzles more efficient.
- the spray nozzles are prefabricated as a compact turned part time-consuming work such as pipe bending, soldering, etc. Furthermore, the spray nozzles Use a tool, for example a robot, to insert it slightly into the longitudinal hole.
- the orientation of the spray jet is clearly defined by the oriented installation Damage due to insufficient piston cooling can be excluded. At a bent pipe as a spray nozzle, this precision can not be guaranteed.
- the manual installation can be carried out for mass products such as vehicle engines no longer be represented.
- the turned part can be fully automatically inexpensive by machining and be produced in consistent quality.
- Figure 1 shows in cross section a crankcase 1 with oil supply holes 2a, 2b are integrated in a pressure lubrication system and which the crankcase 1 in Penetrate lengthwise.
- the crankshaft bearings are connected via bores 3a, 3b Lubricating oil supplied.
- the lubricating oil is also used for piston cooling.
- the piston is cooled by spray nozzles 4 in longitudinal bores 5 of the bulkheads 6 are arranged, which are located between the crank rooms.
- the oil is supplied to the spray nozzle 4 from the oil supply hole 2b via the Bore 3a for the bearing lubrication and a bore 7.
- the bores 3a and 7 are interconnected by a recess 8.
- the spray nozzle 4 produces one Oil jet 9 which is directed against an underside of a piston crown.
- a spray nozzle 4 is shown in detail in FIG.
- the spray nozzle 4 is as pure Turned part manufactured.
- the spray nozzle 4 has a central blind bore 10, which we closed it with a stopper 11.
- the cooling oil is supplied via a central oil supply bore 12. After installation in the longitudinal bore 5 in Cover with the bore 7 in the bulkhead 6. (Fig. 1)
- the spraying of the cooling oil takes place by means of the spray holes 13a, 13b.
- the advantage of the spray nozzles according to the invention 4 can be seen in the fact that they are processed solely by machining, that is by means of Automatic lathes that can be created. When manufacturing mass-produced items like this Representing vehicle engines without a doubt, the cost issue is critical.
- FIG 3 shows a view of the crankcase 1 from the oil pan side.
- Each of the Bulkhead 6 has a longitudinal bore 5. Penetrate these longitudinal bores 5 the bulkheads 6 coaxial and parallel to the center line of a crankshaft.
- the spray nozzles 4 are installed in such a way that the oil jets 9 (FIG. 1) sprayed from the spray holes 13a, 13b target the Hit the target.
- These spray nozzles 4 are installed using a tool as shown in FIG. 4 is.
- the tool essentially consists of a hydraulic piston-cylinder unit (KZE) 14.
- the cylinder 15 is rigid with a positioning arm 16 - for example of a robot - connected.
- the piston 17a has an end piece 18, which is already in a bulkhead 6a built-in spray nozzle 4a over to support.
- a cylinder 15 can be inserted Build up pressure that moves the second piston 17b, which drives the spray nozzle 4b presses into the bore of the second bulkhead 6b so that it prevents displacement and torsion is reliably protected.
- Pistons 17a, 17b can be used to press in the spray nozzles 4a, despite the very high forces. 4b, the positioning arm 16 is kept torque-free. Installation can thus fully automated using robots.
- FIG. 5 shows a spray nozzle according to the prior art.
- the spray nozzle is there from a bent tube, which is connected to a console by a solder connection is.
- the console in turn is screwed onto a machined surface, so that the spray jet is directed against the piston crown.
- Disadvantage of this device it is that the tube is connected to the console via a solder connection.
- This Solder connection is not automatically possible.
- the screwing of the Console also eludes automatic assembly, and is also an exact one Positioning very difficult to reach.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Description
- Fig. 1
- einen Querschnitt I-I durch ein Kurbelgehäuse mit Längsbohrung und Bohrung für die Zufuhr des Spritzöls
- Fig. 2
- einen Schnitt durch eine als Drehteil ausgebildete Spritzdüse
- Fig. 3
- eine Ansicht des Kurbelgehäuses von der Ölwanne her gesehen mit eingebauten Spritzdüsen
- Fig. 4
- ein Werkzeug zum positionierten Einbau der Spritzdüsen in die Längsbohrungen
- Fig. 5
- einen Schnitt durch ein Kurbelgehäuse mit rohrförmigen Spritzdüsen nach dem Stand der Technik
Claims (4)
- Kolbenkühlung für Brennkraftmaschinen, bei der von einer in eine Druckumlaufschmierung integrierten Schmierölbohrung im Kurbelgehäuse ausgehende Spritzdüsen gegen die Kolbenunterseite gerichtet sind und die Spritzdüsen orientiert ans Kurbelgehäuse angebaut sind, dadurch gekennzeichnet, daß jede der Spritzdüsen (4) als kompaktes Drehteil ausgebildet ist, daß die Spritzdüsen (4) mittels Werkzeug orientiert in Längsbohrungen (5) der Schottwände (6) eingesetzt werden, wobei die Längsbohrungen (5) die zwischen den Zylinderräumen angeordneten Schottwände (6) koaxial und parallel zur Kurbelwelle durchdringen und jede der Spritzdüsen (4) über eine Bohrung (7) in der Schottwand (6) an die Druckumlaufschmierung angeschlossen ist.
- Kolbenkühlung nach Anspruch 1, dadurch gekennzeichnet, daß die Spritzdüse (4) als vollzylindrisches Drehteil mit zentraler Sackbohrung (10) ausgebildet ist, deren freies Ende mit einem Stopfen (11) verschlossen ist, daß die Spritzdüse (4) mindestens zwei zur Mitte symmetrische Spritzlöcher (13a, 13b ) aufweist, und daß eine mittige Ölzufuhrbohrung (12) vorgesehen ist die beim Einbau mit der Bohrung (7) in der Schottwand (6) fluchtet.
- Kolbenkühlung nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß die Spritzdüsen (4) zur Fixierung mit Preßsitz in die Längsbohrungen (5) eingesetzt werden.
- Kolbenkühlung nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß das Werkzeug zum Einbau der Spritzdüsen (4) als eine hydraulische Kolbenzylindereinheit (14) (KZE) ausgebildet ist, wobei der Zylinder (15) dieser KZE (14) mit einem Positionierarm (16), beispielsweise eines Roboters, starr verbunden ist und im Zylinder (15) nach beiden Seiten axial bewegliche Kolben (17a, 17b) vorgesehen sind, daß dabei einer der Kolben (17b) die zum Einbau vorgesehene Spritzdüse (4b) aufnimmt, während der andere Kolben (17a) so geformt ist, daß er eine schon eingebaute Spritzdüse (4a) übergreift und sich gegen die Schottwand (6) abstützt, und daß der Zylinder (15) noch erfolgter Positionierung der KZE (14) mit Hydraulikdruck beaufschlagt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10024207A DE10024207A1 (de) | 2000-05-17 | 2000-05-17 | Kolbenkühlung für Brennkraftmaschinen |
DE10024207 | 2000-05-17 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1156198A2 true EP1156198A2 (de) | 2001-11-21 |
EP1156198A3 EP1156198A3 (de) | 2003-02-19 |
EP1156198B1 EP1156198B1 (de) | 2006-06-28 |
Family
ID=7642407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01106078A Expired - Lifetime EP1156198B1 (de) | 2000-05-17 | 2001-03-13 | Kolbenkühlung für Brennkraftmaschinen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6532912B2 (de) |
EP (1) | EP1156198B1 (de) |
JP (1) | JP2002021558A (de) |
AT (1) | ATE331877T1 (de) |
DE (2) | DE10024207A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7264022B2 (en) | 2004-11-17 | 2007-09-04 | Groz-Beckert Ag | Shaft rod for heald shafts |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10214830A1 (de) * | 2002-04-04 | 2004-01-08 | Mahle Gmbh | Öleinlass für einen mit Kühlkanal versehenen Kolben eines Verbrennungsmotors |
US7063049B2 (en) * | 2004-03-03 | 2006-06-20 | Deere & Company | Directed spray jet and installation tool |
EP1676989B1 (de) * | 2005-01-03 | 2011-11-23 | Ford Global Technologies, LLC, A subsidary of Ford Motor Company | Verbrennungsmotor mit einer Kolbenkühlvorrichtung |
JP4640826B2 (ja) * | 2006-02-28 | 2011-03-02 | 本田技研工業株式会社 | 内燃機関のピストン冷却装置 |
JP4636506B2 (ja) * | 2006-02-28 | 2011-02-23 | 本田技研工業株式会社 | 車両用発電機の冷却構造 |
AT514804B1 (de) * | 2013-12-10 | 2015-04-15 | Steyr Motors Gmbh | Verbrennungskraftmaschine mit Ölkanälen |
CN109630253B (zh) * | 2018-12-13 | 2020-06-02 | 潍柴动力股份有限公司 | 一种发动机油路结构及发动机 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2061342A1 (de) * | 1970-12-12 | 1972-06-15 | Klockner Humboldt Deutz AG, 5000 Köln | Kolbenkühlung bei Hubkolbenbrenn kraftmaschinen |
US4010718A (en) * | 1974-02-06 | 1977-03-08 | Perkins Engines Limited | Reciprocating piston engines having piston oil cooling |
DE9313885U1 (de) * | 1992-09-17 | 1993-11-04 | DEUTZ AG, 51063 Köln | Brennkraftmaschine mit Kolbenkühlung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5881684A (en) * | 1997-07-21 | 1999-03-16 | Bontaz Centre, Societe Anonyme | Interference fit cooling spray nozzle |
-
2000
- 2000-05-17 DE DE10024207A patent/DE10024207A1/de not_active Withdrawn
-
2001
- 2001-03-13 EP EP01106078A patent/EP1156198B1/de not_active Expired - Lifetime
- 2001-03-13 DE DE50110310T patent/DE50110310D1/de not_active Expired - Fee Related
- 2001-03-13 AT AT01106078T patent/ATE331877T1/de not_active IP Right Cessation
- 2001-05-17 JP JP2001147600A patent/JP2002021558A/ja not_active Ceased
- 2001-05-17 US US09/861,162 patent/US6532912B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2061342A1 (de) * | 1970-12-12 | 1972-06-15 | Klockner Humboldt Deutz AG, 5000 Köln | Kolbenkühlung bei Hubkolbenbrenn kraftmaschinen |
US4010718A (en) * | 1974-02-06 | 1977-03-08 | Perkins Engines Limited | Reciprocating piston engines having piston oil cooling |
DE9313885U1 (de) * | 1992-09-17 | 1993-11-04 | DEUTZ AG, 51063 Köln | Brennkraftmaschine mit Kolbenkühlung |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7264022B2 (en) | 2004-11-17 | 2007-09-04 | Groz-Beckert Ag | Shaft rod for heald shafts |
Also Published As
Publication number | Publication date |
---|---|
EP1156198B1 (de) | 2006-06-28 |
DE10024207A1 (de) | 2002-01-24 |
JP2002021558A (ja) | 2002-01-23 |
US6532912B2 (en) | 2003-03-18 |
EP1156198A3 (de) | 2003-02-19 |
DE50110310D1 (de) | 2006-08-10 |
US20010042526A1 (en) | 2001-11-22 |
ATE331877T1 (de) | 2006-07-15 |
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