EP1518042A1 - Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams - Google Patents
Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable camsInfo
- Publication number
- EP1518042A1 EP1518042A1 EP04738567A EP04738567A EP1518042A1 EP 1518042 A1 EP1518042 A1 EP 1518042A1 EP 04738567 A EP04738567 A EP 04738567A EP 04738567 A EP04738567 A EP 04738567A EP 1518042 A1 EP1518042 A1 EP 1518042A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cam
- camshaft
- cam segment
- segment
- segments
- 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
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
- F01L1/08—Shape of 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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0057—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by splittable or deformable cams
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49293—Camshaft making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10325042 | 2003-06-02 | ||
DE10325042 | 2003-06-02 | ||
PCT/DE2004/001098 WO2004109068A1 (en) | 2003-06-02 | 2004-05-26 | Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1518042A1 true EP1518042A1 (en) | 2005-03-30 |
EP1518042B1 EP1518042B1 (en) | 2008-11-26 |
Family
ID=33494804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04738567A Expired - Fee Related EP1518042B1 (en) | 2003-06-02 | 2004-05-26 | Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams |
Country Status (6)
Country | Link |
---|---|
US (1) | US7069889B2 (en) |
EP (1) | EP1518042B1 (en) |
JP (1) | JP4843484B2 (en) |
CN (1) | CN100476165C (en) |
DE (2) | DE112004000030D2 (en) |
WO (1) | WO2004109068A1 (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006004750A1 (en) | 2005-04-11 | 2006-10-12 | Schaeffler Kg | Valve drive component (sic) for transfer of stroke by cam projections on gas change valve, internal combustion engines has protection layer of at least one metal-free amorphous hydrocarbon layer with sp2 and sp3 carbon |
GB2434404B (en) * | 2006-01-18 | 2010-11-03 | Powertrain Technology Ltd | Improvements to variable valve actuation using slideable, latching cam lobes |
DE102006012358A1 (en) * | 2006-03-17 | 2007-09-27 | Mahle International Gmbh | Driving part e.g. cam, press-fit connection producing method, involves mounting driving part in press-fit connection, where part is heated up to reaching joining temperature and thus expanded, and part is moved on shaft in force-free manner |
GB0613727D0 (en) * | 2006-07-11 | 2006-08-23 | Powertrain Technology Ltd | Improvements to 2-step variable timing mechanisms |
KR101305829B1 (en) | 2007-11-20 | 2013-09-06 | 현대자동차주식회사 | Variable cam device |
DE102008060167B4 (en) * | 2008-11-27 | 2021-05-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Valve train of an internal combustion engine |
KR101209733B1 (en) * | 2010-09-01 | 2012-12-07 | 현대자동차주식회사 | Variable valve lift appratus |
EP2889458B1 (en) * | 2012-08-22 | 2017-04-12 | Toyota Jidosha Kabushiki Kaisha | Variable valve gear for internal combustion engine |
JP2014092128A (en) * | 2012-11-06 | 2014-05-19 | Toyota Motor Corp | Variable valve gear of internal combustion engine |
JP5920177B2 (en) * | 2012-11-14 | 2016-05-18 | トヨタ自動車株式会社 | Variable valve operating device for internal combustion engine |
JP2014152694A (en) * | 2013-02-07 | 2014-08-25 | Toyota Motor Corp | Variable valve gear for internal combustion engine |
JP5924305B2 (en) * | 2013-05-13 | 2016-05-25 | トヨタ自動車株式会社 | Variable valve operating device for internal combustion engine |
JP5962603B2 (en) * | 2013-07-04 | 2016-08-03 | トヨタ自動車株式会社 | Variable valve operating device for internal combustion engine |
JP5991289B2 (en) * | 2013-09-05 | 2016-09-14 | トヨタ自動車株式会社 | Variable valve operating apparatus for internal combustion engine and variable valve operating system for internal combustion engine |
CN105637187B (en) * | 2014-01-22 | 2018-04-20 | 丰田自动车株式会社 | The variable valve gear of internal combustion engine |
US9581294B2 (en) | 2014-02-07 | 2017-02-28 | Curtis Roys | Replaceable sleeves used in distribution blocks |
DE102014111354A1 (en) * | 2014-08-08 | 2016-02-25 | Karl Storz Gmbh & Co. Kg | Sterile sleeve for a medical observation instrument and method for operating a medical observation instrument |
DE102015101337A1 (en) * | 2015-01-29 | 2016-08-04 | Thyssenkrupp Presta Teccenter Ag | Camshaft for valve actuation with variable valve lift |
CN105863738A (en) * | 2015-04-30 | 2016-08-17 | 熵零股份有限公司 | Radial compensating mechanism and device applying same |
CN105909313A (en) * | 2015-04-30 | 2016-08-31 | 熵零股份有限公司 | Sliding type radial compensation mechanism and device applying same |
US10352200B2 (en) * | 2015-09-30 | 2019-07-16 | Honda Motor Co., Ltd. | Cam shaft |
CN112282882A (en) * | 2020-11-30 | 2021-01-29 | 一汽解放汽车有限公司 | Camshaft assembly for controlling engine cylinder valve and vehicle |
FR3117540B1 (en) * | 2020-12-14 | 2022-12-16 | Renault | Camshaft of an internal combustion engine. |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01178710A (en) * | 1988-01-06 | 1989-07-14 | Mazda Motor Corp | Valve driving device for engine |
DE4222477A1 (en) | 1991-08-14 | 1993-02-18 | Volkswagen Ag | Cam mechanism for IC engine valve - has radially adjustable cam component to adjust amount of valve lift obtained |
US5404770A (en) * | 1991-08-14 | 1995-04-11 | Volkswagen Ag | Variable cam arrangement for a lift valve |
IT1256558B (en) | 1992-12-18 | 1995-12-07 | Francesco Giulio Di | CAM DEVICE, TO VARY THE VALVE TIMING OF MOTORS, USING INCOMPRESSABLE FLUID AS A STRUCTURAL ELEMENT TO REALIZE THE DEFORMATION AND / OR THE MOVEMENT OF THE CAM PROFILE |
JPH074217A (en) * | 1993-04-14 | 1995-01-10 | Toyota Autom Loom Works Ltd | Camshaft with variable valve lift mechanism |
AU1032995A (en) * | 1993-12-17 | 1995-07-03 | Christos Valasopoylos | Cam lobe with offset angular movement |
JPH09256827A (en) * | 1995-11-07 | 1997-09-30 | Yamaha Motor Co Ltd | Valve gear for engine |
DE19802484C2 (en) * | 1998-01-23 | 2000-06-08 | Daimler Chrysler Ag | Method and device for producing assembled camshafts |
DE10030904A1 (en) | 2000-06-23 | 2002-01-31 | Audi Ag | Variable geometry camshaft for IC engine has radially adjustable cam segment to vary valve stroke |
GB2385888B (en) | 2002-06-21 | 2004-05-05 | Jean-Pierre Pirault | Improvements to latchable cam lobe systems for poppet valve motion control |
-
2004
- 2004-05-26 WO PCT/DE2004/001098 patent/WO2004109068A1/en active Application Filing
- 2004-05-26 DE DE112004000030T patent/DE112004000030D2/en not_active Expired - Fee Related
- 2004-05-26 JP JP2006508113A patent/JP4843484B2/en not_active Expired - Fee Related
- 2004-05-26 EP EP04738567A patent/EP1518042B1/en not_active Expired - Fee Related
- 2004-05-26 DE DE502004008517T patent/DE502004008517D1/en active Active
- 2004-05-26 US US10/536,277 patent/US7069889B2/en not_active Expired - Fee Related
- 2004-05-26 CN CNB2004800069957A patent/CN100476165C/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2004109068A1 * |
Also Published As
Publication number | Publication date |
---|---|
US7069889B2 (en) | 2006-07-04 |
CN100476165C (en) | 2009-04-08 |
WO2004109068A1 (en) | 2004-12-16 |
JP4843484B2 (en) | 2011-12-21 |
DE502004008517D1 (en) | 2009-01-08 |
EP1518042B1 (en) | 2008-11-26 |
JP2006526727A (en) | 2006-11-24 |
CN1774563A (en) | 2006-05-17 |
DE112004000030D2 (en) | 2005-05-12 |
US20060011161A1 (en) | 2006-01-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1518042B1 (en) | Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams | |
EP1844216B1 (en) | Adjustable camshaft, in particular for internal combustion engines of motor vehicles, comprising a hydraulic adjusting system | |
EP1963625B1 (en) | Camshaft | |
DE3943426C1 (en) | ||
DE102005062208B4 (en) | camshaft | |
DE102004056191B4 (en) | Camshaft for in particular motor vehicle engines | |
DE102005014680A1 (en) | Camshaft with mutually rotatable cam for motor vehicles in particular | |
EP1754913B1 (en) | Adjustable camshaft | |
WO1991019887A1 (en) | Device for distributing oil in a camshaft | |
WO2013156564A1 (en) | Camshaft module and corresponding production method | |
DE102007056692A1 (en) | Valve drive device | |
DE102006036851A1 (en) | Cam shaft for internal combustion engine, has base bodies separately manufactured and axially engaged on shaft through sliding, and fixation formed by using ball bearing and provided on bodies | |
EP0779411B1 (en) | Valve driving device for an internal combustion engine | |
WO2008110440A1 (en) | Switchable supporting element for a valve train of an internal combustion engine | |
WO2007022737A1 (en) | Camshaft | |
EP0745757B1 (en) | Assembled camshaft, particularly for internal combustion engines | |
EP1623747B1 (en) | Ringfilter for annular grooves | |
DE10235852A1 (en) | Connecting rod for an internal combustion engine with variable compression and method for assembling the connecting rod | |
DE102006013829A1 (en) | Adjustable camshaft for motor vehicle internal combustion engines has inner and outer shafts and a hydraulic adjusting device | |
DE4007181A1 (en) | DRIVE DEVICE FOR A CAMSHAFT | |
DE102005047641A1 (en) | Control valve for a camshaft adjuster | |
DE3206791C2 (en) | Camshaft assembly | |
DE3943427C1 (en) | ||
DE102005038656A1 (en) | Camshaft for motor vehicle, has connection between connecting unit and outer shaft to transfer radial supporting force to outer shaft, where unit has connecting pin as force transmitting unit between rotary drive and inner and outer shafts | |
DE19730201A1 (en) | Operating lever for valve gear of internal combustion engine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20050119 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL HR LT LV MK |
|
17Q | First examination report despatched |
Effective date: 20060803 |
|
DAX | Request for extension of the european patent (deleted) | ||
RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: SCHNEIDER, FALK Inventor name: LECHNER, MARTIN |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REF | Corresponds to: |
Ref document number: 502004008517 Country of ref document: DE Date of ref document: 20090108 Kind code of ref document: P |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20090827 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20081126 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20110607 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20110525 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20110601 Year of fee payment: 8 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20120526 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20130131 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 502004008517 Country of ref document: DE Effective date: 20121201 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20120531 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20120526 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20121201 |