DE102009035120A1 - camshaft - Google Patents
camshaft Download PDFInfo
- Publication number
- DE102009035120A1 DE102009035120A1 DE200910035120 DE102009035120A DE102009035120A1 DE 102009035120 A1 DE102009035120 A1 DE 102009035120A1 DE 200910035120 DE200910035120 DE 200910035120 DE 102009035120 A DE102009035120 A DE 102009035120A DE 102009035120 A1 DE102009035120 A1 DE 102009035120A1
- Authority
- DE
- Germany
- Prior art keywords
- support tube
- radially extending
- extending recess
- functional element
- camshaft
- 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.)
- Withdrawn
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/243—Perforating, i.e. punching holes in profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/84—Making other particular articles other parts for engines, e.g. connecting-rods
- B21D53/845—Making camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
- F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0475—Hollow camshafts
Abstract
Die Erfindung bezieht sich auf eine Nockenwelle, mit mindestens einem Trägerrohr, und mit mindestens einem Nocken. Die Erfindung besteht darin, dass das Trägerrohr mindestens eine radial verlaufende Aussparung aufweist.The invention relates to a camshaft with at least one support tube and with at least one cam. The invention consists in that the carrier tube has at least one radially extending recess.
Description
Die Erfindung bezieht sich auf eine Nockenwelle gemäß dem Oberbegriff des ersten Anspruchs.The The invention relates to a camshaft according to Generic term of the first claim.
Im
Stand der Technik ist es bekannt, dass die Trägerrohre
Bohrungen aufweisen, die der Befestigung der Nocken dienen (z. B.
Im Sinne der Ökologie und insbesondere der Reduktion des CO2-Ausstoßes wird versucht, das Gewicht von Fahrzeugen möglichst zu reduzieren.In terms of ecology and especially the reduction of CO 2 emissions, an attempt is made to reduce the weight of vehicles as much as possible.
Der Erfindung liegt die Aufgabe zugrunde, eine Nockenwelle vorzuschlagen, welche gewichtsreduziert ist, ohne dass mit der Gewichtsreduktion neue Aufgaben oder Funktionen für die Nockenwelle einhergehen.Of the Invention has for its object to propose a camshaft, which is weight-reduced without new weight-loss Tasks or functions associated with the camshaft.
Die Erfindung löst die Aufgabe mit den Merkmalen des ersten Anspruchs.The Invention solves the problem with the features of the first Claim.
Vorteilhafte Ausgestaltungen finden sich in den abhängigen Ansprüchen.advantageous Embodiments can be found in the dependent claims.
Bei der Nockenwelle wird somit das Gewicht des Trägerrohrs durch radial verlaufende Aussparungen vermindert, wobei die Aussparungen vorzugsweise in Bereichen des Trägerrohrs liegen, welche frei vom Kontakt mit zusätzlichen Elementen, wie z. B. Nocken oder Lagerringen, sind und welche darüber hinaus vorzugsweise frei bleiben, d. h. die nicht durch Elemente verschlossen werden, oder durch welche Medium geführt wird. Mit anderen Worten: In einer Ausgestaltung dienen die Aussparungen ausschließlich der Gewichtsreduktion.at the camshaft thus becomes the weight of the support tube reduced by radially extending recesses, wherein the recesses preferably in areas of the support tube, which are free from contact with additional elements, such. B. cams or bearing rings are, and which, moreover, preferably stay free, d. H. that are not closed by elements, or through which medium is guided. In other words: In one embodiment, the recesses serve exclusively the weight reduction.
Die
Erfindung wird anhand der
Gezeigt
ist eine erfindungsgemäße Nockenwelle mit dem
beispielsweise zumindest teilweise hohlen Trägerrohr
Erfindungsgemäß sind
z. B. spanend – beispielsweise durch Ausstanzen – erzeugte
Aussparungen
In einer ergänzenden oder alternativen Variante verfügen ebenfalls die Nocken oder sonstigen Funktionselemente über Aussparungen oder Bohrungen.In a complementary or alternative variant also the cams or other functional elements over Recesses or holes.
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 19546366 A1 [0002] DE 19546366 A1 [0002]
- - DE 29922876 U1 [0002] DE 29922876 U1 [0002]
- - DE 9410220 [0002] - DE 9410220 [0002]
- - DE 10200602401 A1 [0002] DE 10200602401 A1 [0002]
Claims (14)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910035120 DE102009035120A1 (en) | 2009-07-29 | 2009-07-29 | camshaft |
PCT/DE2010/000834 WO2011012108A2 (en) | 2009-07-29 | 2010-07-16 | Camshaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910035120 DE102009035120A1 (en) | 2009-07-29 | 2009-07-29 | camshaft |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102009035120A1 true DE102009035120A1 (en) | 2011-02-03 |
Family
ID=43402530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200910035120 Withdrawn DE102009035120A1 (en) | 2009-07-29 | 2009-07-29 | camshaft |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102009035120A1 (en) |
WO (1) | WO2011012108A2 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9410220U1 (en) | 1994-06-24 | 1994-08-18 | Schaeffler Waelzlager Kg | Hollow shaft for pivoting storage of rocker arms or rocker arms |
DE19546366A1 (en) | 1995-12-12 | 1997-06-19 | Erwin Korostenski | Valve train of an internal combustion engine |
DE29922876U1 (en) | 1998-12-29 | 2000-05-04 | Battlogg Stefan | camshaft |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3301749A1 (en) * | 1983-01-20 | 1984-08-09 | Mahle Gmbh, 7000 Stuttgart | Camshaft for internal-combustion engines |
DE59103360D1 (en) * | 1990-07-27 | 1994-12-01 | Mettler Friedli Karl | CONNECTING A PRE-MADE CYLINDER BODY. |
US5201246A (en) * | 1992-07-20 | 1993-04-13 | General Motors Corporation | Lightweight composite camshaft |
JPH1122422A (en) * | 1997-07-03 | 1999-01-26 | Yamaha Motor Co Ltd | Camshaft for internal combustion engine |
US6182361B1 (en) * | 1999-05-20 | 2001-02-06 | The Torrington Company | Method for assembling a camshaft |
US7025024B2 (en) * | 2001-05-11 | 2006-04-11 | Karl Merz | Zero belt camshaft |
EP1596040B1 (en) * | 2004-05-14 | 2010-10-13 | Schaeffler KG | Camshaft phaser |
US7013854B1 (en) * | 2005-05-18 | 2006-03-21 | Ina-Schaeffler Kg | Device for the hydraulic adjustment of the angle of rotation of a camshaft in relation to a crankshaft of an internal combustion engine |
DE102007054992B4 (en) * | 2007-11-17 | 2020-12-17 | Audi Ag | Internal combustion engine with a cylinder head and with a lubricant circuit |
-
2009
- 2009-07-29 DE DE200910035120 patent/DE102009035120A1/en not_active Withdrawn
-
2010
- 2010-07-16 WO PCT/DE2010/000834 patent/WO2011012108A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9410220U1 (en) | 1994-06-24 | 1994-08-18 | Schaeffler Waelzlager Kg | Hollow shaft for pivoting storage of rocker arms or rocker arms |
DE19546366A1 (en) | 1995-12-12 | 1997-06-19 | Erwin Korostenski | Valve train of an internal combustion engine |
DE29922876U1 (en) | 1998-12-29 | 2000-05-04 | Battlogg Stefan | camshaft |
Also Published As
Publication number | Publication date |
---|---|
WO2011012108A3 (en) | 2011-04-14 |
WO2011012108A2 (en) | 2011-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OR8 | Request for search as to paragraph 43 lit. 1 sentence 1 patent law | ||
R163 | Identified publications notified | ||
R163 | Identified publications notified |
Effective date: 20120430 |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20140201 |