EP0829620A2 - Arbre à cames réglable pour machine à pistons linéaires commandée par soupapes, en particulier pour moteur à combustion interne - Google Patents

Arbre à cames réglable pour machine à pistons linéaires commandée par soupapes, en particulier pour moteur à combustion interne Download PDF

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Publication number
EP0829620A2
EP0829620A2 EP97114533A EP97114533A EP0829620A2 EP 0829620 A2 EP0829620 A2 EP 0829620A2 EP 97114533 A EP97114533 A EP 97114533A EP 97114533 A EP97114533 A EP 97114533A EP 0829620 A2 EP0829620 A2 EP 0829620A2
Authority
EP
European Patent Office
Prior art keywords
camshaft
bearing
cams
axially
valves
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
EP97114533A
Other languages
German (de)
English (en)
Other versions
EP0829620A3 (fr
EP0829620B1 (fr
Inventor
Adolf Fischer
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP0829620A2 publication Critical patent/EP0829620A2/fr
Publication of EP0829620A3 publication Critical patent/EP0829620A3/fr
Application granted granted Critical
Publication of EP0829620B1 publication Critical patent/EP0829620B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/34413—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using composite camshafts, e.g. with cams being able to move relative to the camshaft

Definitions

  • An advantageous extension of the adjustment options of the camshaft according to the invention is further achieved in that two axially spaced cams are arranged between two adjacent bearing bushes for first identical valves, and between these a cam for second identical valves, which are actuated together via a fork lever.
  • a further advantageous adjustment possibility also results from the fact that the cams assigned to the first identical valves are designed differently and possibly have grooves with different pitch angles. This arrangement enables an additional spreading change, also called phasing, between cams for similar valves, further different valve opening times and different valve strokes for advantageously influencing the gas dynamics of an internal combustion engine on the intake side.

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)
EP97114533A 1996-09-13 1997-08-22 Arbre à cames réglable pour machine à pistons linéaires commandée par soupapes, en particulier pour moteur à combustion interne Expired - Lifetime EP0829620B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19637416A DE19637416A1 (de) 1996-09-13 1996-09-13 Verstell-Nockenwelle für eine ventilgesteuerte Hubkolbenmaschine, insbesondere Brennkraftmaschine
DE19637416 1996-09-13

Publications (3)

Publication Number Publication Date
EP0829620A2 true EP0829620A2 (fr) 1998-03-18
EP0829620A3 EP0829620A3 (fr) 1998-04-08
EP0829620B1 EP0829620B1 (fr) 2000-07-12

Family

ID=7805591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97114533A Expired - Lifetime EP0829620B1 (fr) 1996-09-13 1997-08-22 Arbre à cames réglable pour machine à pistons linéaires commandée par soupapes, en particulier pour moteur à combustion interne

Country Status (3)

Country Link
EP (1) EP0829620B1 (fr)
DE (2) DE19637416A1 (fr)
ES (1) ES2148883T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999061181A1 (fr) * 1998-05-26 1999-12-02 Volkswagen Aktiengesellschaft Douille a rebord et son procede de production
EP1118762A2 (fr) 2000-01-21 2001-07-25 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Culasse pour un moteur à combustion avec réglage par soupapes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19646934A1 (de) 1996-11-13 1998-05-14 Bayerische Motoren Werke Ag Verstell-Nockenwelle, insbesondere für ventilgesteuerte Brennkraftmaschinen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59183009A (ja) 1983-03-31 1984-10-18 Suzuki Motor Co Ltd ４サイクルエンジンのバルブタイミング可変装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2644543A1 (fr) * 1989-03-17 1990-09-21 Renault
DE4226798A1 (de) * 1992-08-13 1994-02-24 Bayerische Motoren Werke Ag Hubkolben-Brennkraftmaschine mit zwei Gaswechselventilen je Zylinder
DE4331977A1 (de) * 1993-09-21 1995-03-23 Porsche Ag Variable Ventilsteuerung
DE4416505A1 (de) * 1994-05-10 1995-11-16 Bayerische Motoren Werke Ag Nockenwelle mit verdrehbaren Nocken

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59183009A (ja) 1983-03-31 1984-10-18 Suzuki Motor Co Ltd ４サイクルエンジンのバルブタイミング可変装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999061181A1 (fr) * 1998-05-26 1999-12-02 Volkswagen Aktiengesellschaft Douille a rebord et son procede de production
EP1118762A2 (fr) 2000-01-21 2001-07-25 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Culasse pour un moteur à combustion avec réglage par soupapes

Also Published As

Publication number Publication date
DE19637416A1 (de) 1998-03-19
ES2148883T3 (es) 2000-10-16
DE59702000D1 (de) 2000-08-17
EP0829620A3 (fr) 1998-04-08
EP0829620B1 (fr) 2000-07-12

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