EP1600610A3 - Valve drive for an internal combustion engine - Google Patents

Valve drive for an internal combustion engine Download PDF

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Publication number
EP1600610A3
EP1600610A3 EP05004872A EP05004872A EP1600610A3 EP 1600610 A3 EP1600610 A3 EP 1600610A3 EP 05004872 A EP05004872 A EP 05004872A EP 05004872 A EP05004872 A EP 05004872A EP 1600610 A3 EP1600610 A3 EP 1600610A3
Authority
EP
European Patent Office
Prior art keywords
combustion engine
internal combustion
valve drive
base circle
eccentric
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
Application number
EP05004872A
Other languages
German (de)
French (fr)
Other versions
EP1600610B1 (en
EP1600610A2 (en
Inventor
Dietmar Schwarzenthal
Mirko Bugsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP1600610A2 publication Critical patent/EP1600610A2/en
Publication of EP1600610A3 publication Critical patent/EP1600610A3/en
Application granted granted Critical
Publication of EP1600610B1 publication Critical patent/EP1600610B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01L1/30—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of positively opened and closed valves, i.e. desmodromic valves
    • 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
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group

Abstract

Die Erfindung betrifft einen Ventiltrieb für eine Brennkraftmaschine, mit einem drehbaren Nocken, welcher Nocken eine Nockenumfangsfläche, einen Grundkreisabschnitt, einen Exzenterabschnitt und seitliche, den Grundkreisabschnitt mit den Exzenterabschnitt verbindende Flanken aufweist, mit einem um den Nocken angeordneten, als Kette ausgeführten Umschlingungselement, welche Kette mehrere aneinander gereihte Kettenglieder aufweist, und mit einem Gaswechselventil, das an dem Umschlingungselement angelenkt ist.The invention relates to a valve train for an internal combustion engine, comprising a cam peripheral surface, a base circle portion, an eccentric portion and lateral, the base circle portion with the eccentric connecting flanks, arranged around the cam, designed as a chain wrap, which chain has a plurality of chain links arranged one after another, and with a gas exchange valve which is articulated on the belt element.

Der Ventiltrieb (1) kann dadurch optimiert werden, dass die Nockenumfangsfläche (14) im Grundkreisabschnitt (9) und/oder im Exzenterabschnitt (10) zumindest eine Erhebung (24) und/oder eine Vertiefung (25) aufweist.

Figure imgaf001
The valve drive (1) can be optimized in that the cam peripheral surface (14) in the base circle section (9) and / or in the eccentric section (10) at least one elevation (24) and / or a recess (25).
Figure imgaf001
EP20050004872 2004-05-29 2005-03-05 Valve drive for an internal combustion engine Expired - Fee Related EP1600610B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004026430 2004-05-29
DE200410026430 DE102004026430B3 (en) 2004-05-29 2004-05-29 Valve drive for an internal combustion engine comprises a rotating cam with a peripheral surface having an elevation and/or recess in a basic circular section and/or in an eccentric section

Publications (3)

Publication Number Publication Date
EP1600610A2 EP1600610A2 (en) 2005-11-30
EP1600610A3 true EP1600610A3 (en) 2008-08-20
EP1600610B1 EP1600610B1 (en) 2010-06-30

Family

ID=34813747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050004872 Expired - Fee Related EP1600610B1 (en) 2004-05-29 2005-03-05 Valve drive for an internal combustion engine

Country Status (2)

Country Link
EP (1) EP1600610B1 (en)
DE (2) DE102004026430B3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7819298B2 (en) 2008-02-14 2010-10-26 Ethicon Endo-Surgery, Inc. Surgical stapling apparatus with control features operable with one hand

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB434247A (en) * 1934-10-20 1935-08-28 John Fareso Senior Valve operating mechanism
EP0429277A1 (en) * 1989-11-24 1991-05-29 Takuya Matsumoto A valve arrangement for a combustion engine
DE4215057A1 (en) * 1992-05-07 1993-11-11 Audi Ag Camshaft for variable control of gas exchange valve in IC engine - has at least two parts with at least one cam divided along rotary axis and having run-in and run-out ramps
EP1205643A1 (en) * 2000-11-13 2002-05-15 Stefan Battlogg Valve drive in an internal combustion engine
EP1245797A2 (en) * 2001-03-26 2002-10-02 Stefan Battlogg Desmodromic valve drive
EP1255025A2 (en) * 2001-05-04 2002-11-06 Stefan Battlogg Device for converting a rotational movement to reciprocation movement
WO2003083269A1 (en) * 2002-03-28 2003-10-09 Stefan Battlogg Device for converting a rotational displacement into a displacement back and forth

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB434247A (en) * 1934-10-20 1935-08-28 John Fareso Senior Valve operating mechanism
EP0429277A1 (en) * 1989-11-24 1991-05-29 Takuya Matsumoto A valve arrangement for a combustion engine
DE4215057A1 (en) * 1992-05-07 1993-11-11 Audi Ag Camshaft for variable control of gas exchange valve in IC engine - has at least two parts with at least one cam divided along rotary axis and having run-in and run-out ramps
EP1205643A1 (en) * 2000-11-13 2002-05-15 Stefan Battlogg Valve drive in an internal combustion engine
EP1245797A2 (en) * 2001-03-26 2002-10-02 Stefan Battlogg Desmodromic valve drive
EP1255025A2 (en) * 2001-05-04 2002-11-06 Stefan Battlogg Device for converting a rotational movement to reciprocation movement
WO2003083269A1 (en) * 2002-03-28 2003-10-09 Stefan Battlogg Device for converting a rotational displacement into a displacement back and forth

Also Published As

Publication number Publication date
EP1600610B1 (en) 2010-06-30
DE502005009812D1 (en) 2010-08-12
EP1600610A2 (en) 2005-11-30
DE102004026430B3 (en) 2005-09-01

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