EP0957256B1 - Ringträger für einen Kolben eines Verbrennungsmotors - Google Patents
Ringträger für einen Kolben eines Verbrennungsmotors Download PDFInfo
- Publication number
- EP0957256B1 EP0957256B1 EP19990107244 EP99107244A EP0957256B1 EP 0957256 B1 EP0957256 B1 EP 0957256B1 EP 19990107244 EP19990107244 EP 19990107244 EP 99107244 A EP99107244 A EP 99107244A EP 0957256 B1 EP0957256 B1 EP 0957256B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring carrier
- sheet metal
- cooling channel
- combustion engine
- internal combustion
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/16—Pistons having cooling means
- F02F3/20—Pistons having cooling means the means being a fluid flowing through or along piston
- F02F3/22—Pistons having cooling means the means being a fluid flowing through or along piston the fluid being liquid
Definitions
- the invention relates to a ring carrier for a piston an internal combustion engine with a sheet metal cooling channel, the is connected by welding to the ring carrier.
- Ring carrier cooling channel combinations are inherently out US 4,907,545 or known from FR 2.044.242. at In these constructions, the ring bearer back is for formation a cooling channel profiled so that a relatively simple, annular or cylindrical plate the cooling channel can close. However, this requires a high material and processing overhead and increases compared with a U-shaped sheet metal cooling channel, the weight of the piston.
- JP-OS 5-240347 it is also known in the Cross section approximately C-shaped, circular sheet metal cooling channel in Shrink the ring carrier and weld it with this. Also, this sheet metal part can only be complicated Forming forming technology.
- the invention therefore deals with the problem in a generic ring carrier a complex and expensive To avoid shaping the sheet metal cooling channel or the ring carrier.
- the radially outer wall of the sheet metal cooling channel can both be formed by one as well as by both sheet metal parts or the radial outer boundary of the cooling channel can formed by the radially inner wall of the ring carrier be.
- the two sheet metal parts normally connecting with each other Weld usually lies in the radially inner Wall of the sheet metal cooling channel.
- Sheet metal cooling duct By dividing the sheet metal cooling channel into two channel halves It becomes possible, instead of its hard-to-produce part to use two simple parts. Another advantage of Sheet metal cooling duct according to the invention is possible a variable shape with uneven cross-sections over the circumference, the z. B. positioned off-center Dumps may be required.
- Ring carrier it is also advantageous when cooled according to the invention Ring carrier that the shrinking of the sheet in the ring carrier or from DE-OS 26 24 412 known Herumbiegen of the sheet around the ring carrier can be omitted.
- the two sheet metal parts can z. B. as a circular half-shells be formed - wherein a side wall of the half-shell is pulled up - as in Fig. 1 or it may be a sheet metal part as a half-shell and the second sheet metal part with circular Angular profile as shown in Fig. 2 may be formed.
- the two halves of the cooling channel are usually together welded.
- the parts of the sheet metal cooling channel in the Slot reinforcement pressed in and additionally can on the ring carrier Centering or turned on the ring carrier back heels be, on which the sheet metal part rests.
- the piston 1 has a cooled ring carrier 2, the from a massive, circular groove reinforcement 3 made of Niresist material and one welded to the groove reinforcement 3 Sheet metal cooling channel 4 is made, in turn, from each other 2 welded channel halves 5 and 6 consists.
- the radially outer boundary of the cooling channel is through the formed radially inner wall of the groove reinforcement 3.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
- Fig. 1
- einen erfindungsgemäßen Ringträger mit zweiteiligem Blechkühlkanal
- Fig. 2
- eine weitere Ausführungsform eines erfindungsgemäßen Ringträgers.
Claims (3)
- Ringträger (2) für einen Kolben (1) eines Verbrennungsmotors mit einem Blechkühlkanal (4), der an den Ringträger (2) angeschweißt ist,
dadurch gekennzeichnet, daß der Blechkühlkanal (4) aus zwei Blechteilen (5, 6) besteht. - Ringträger für einen Kolben nach Anspruch 1,
dadurch gekennzeichnet; daß der Blechkühlkanal (4) eine horizontale Teilung aufweist. - Ringträger nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß beide Teile (5, 6) des Blechkühlkanals (4) sich im Bereich der Schweißnaht überlappen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19821316 | 1998-05-13 | ||
DE1998121316 DE19821316A1 (de) | 1998-05-13 | 1998-05-13 | Ringträger für einen Kolben eines Verbrennungsmotors |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0957256A2 EP0957256A2 (de) | 1999-11-17 |
EP0957256A3 EP0957256A3 (de) | 2000-04-12 |
EP0957256B1 true EP0957256B1 (de) | 2003-06-25 |
Family
ID=7867564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19990107244 Expired - Lifetime EP0957256B1 (de) | 1998-05-13 | 1999-04-14 | Ringträger für einen Kolben eines Verbrennungsmotors |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0957256B1 (de) |
DE (1) | DE19821316A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10007616B4 (de) * | 2000-02-18 | 2008-08-28 | Federal-Mogul Nürnberg GmbH | Ringträger mit Kühlkanal |
DE10057366A1 (de) | 2000-11-18 | 2002-05-23 | Mahle Gmbh | Verfahren zur gießtechnischen Herstellung eines Kolbens mit einem gekühlten Ringträger |
DE10221209B4 (de) * | 2002-05-13 | 2005-10-27 | Ks Kolbenschmidt Gmbh | Ringträger mit Kühlkanal für einen Kolben |
DE102008031864A1 (de) * | 2008-07-05 | 2010-01-07 | Mahle International Gmbh | Einlegteil für einen Kolben eines Verbrennungsmotors sowie mit dem Einlegeteil versehener Kolben oder Kolbenkopf |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7212560U (de) * | 1972-06-29 | Alcan Gmbh | Ringträger aus Schwermetall für Kolben | |
FR2044242A5 (en) * | 1969-05-13 | 1971-02-19 | Ass Eng Ltd | Moulding motor pistons |
DE2624412C3 (de) * | 1976-05-31 | 1983-12-01 | Alcan Aluminiumwerk Nürnberg GmbH, 6000 Frankfurt | Verfahren zur Herstellung von Kolben mit einem Ringkanal |
JPS6441648A (en) * | 1987-04-21 | 1989-02-13 | Hino Motors Ltd | Wear resistant ring with cooling cavity for piston and manufacture thereof |
US4907545A (en) * | 1988-12-28 | 1990-03-13 | Caterpillar Inc. | Liquid cooled piston ring carrier assembly and piston using same |
JPH05240347A (ja) * | 1992-02-26 | 1993-09-17 | Hino Motors Ltd | エンジン用ピストン耐摩環 |
-
1998
- 1998-05-13 DE DE1998121316 patent/DE19821316A1/de not_active Withdrawn
-
1999
- 1999-04-14 EP EP19990107244 patent/EP0957256B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19821316A1 (de) | 1999-11-18 |
EP0957256A3 (de) | 2000-04-12 |
EP0957256A2 (de) | 1999-11-17 |
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