EP1568849B1 - Kipphebelvorrichtung für einen Ventiltrieb - Google Patents

Kipphebelvorrichtung für einen Ventiltrieb Download PDF

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Publication number
EP1568849B1
EP1568849B1 EP04100729A EP04100729A EP1568849B1 EP 1568849 B1 EP1568849 B1 EP 1568849B1 EP 04100729 A EP04100729 A EP 04100729A EP 04100729 A EP04100729 A EP 04100729A EP 1568849 B1 EP1568849 B1 EP 1568849B1
Authority
EP
European Patent Office
Prior art keywords
piston
rocker arm
arm assembly
pressure surface
area
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
Application number
EP04100729A
Other languages
English (en)
French (fr)
Other versions
EP1568849A1 (de
Inventor
Axel Berndorfer
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Priority to DE602004003788T priority Critical patent/DE602004003788T2/de
Priority to EP04100729A priority patent/EP1568849B1/de
Priority to AT04100729T priority patent/ATE348947T1/de
Publication of EP1568849A1 publication Critical patent/EP1568849A1/de
Application granted granted Critical
Publication of EP1568849B1 publication Critical patent/EP1568849B1/de
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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • 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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Claims (8)

  1. Kipphebelvorrichtung zur variablen Betätigung eine Gasventils in einem Verbrennungsmotor, wobei die Kipphebelvorrichtung (10) mindestens zwei Konfigurationen aufweist, um ihre Ventilhubfähigkeit zu verändern, wobei die Kipphebelvorrichtung umfasst:
    ein Sperrelement (48), das zwischen einer ersten Position zur Bereitstellung einer ersten Konfiguration der Kipphebelvorrichtung und einer zweiten Position zur Bereitstellung einer zweiten Konfiguration der Kipphebelvorrichtung bewegt werden kann;
    ein Sperrbetätigungsmittel (30), das einen Kolben (34) umfasst, der sich hin und her bewegend in einer Kolbenbohrung (36) angeordnet und an das Sperrelement (48) gekuppelt ist, um das Sperrelement von der ersten Position zur zweiten Position zu bewegen, wobei der Kolben (34) einen Kolbenboden mit einer Druckfläche (42) aufweist, die mit einer Seitenwand (38) und einer Stirnwand (40) der Kolbenbohrung (36) eine Hydraulikkammer (44) definiert, wobei die Hydraulikkammer (44) einen Einlass (46) für ein unter Druck stehendes Hydraulikmedium umfasst, um so den Kolben (34) unter der Wirkung von Hydraulikdruck zu bewegen; und
    wobei der Kolbenboden einen vorstehenden Stift (54) umfasst, der sich zur Stirnwand (40) erstreckt, um so eine gestufte Druckfläche zu bilden;
    wobei die Hydraulikkammer (44) und die Kolbendruckfläche (42) in einer solchen Weise ausgelegt sind, dass in einer ersten Position des Kolbens (34) nur eine erste Fläche der Druckfläche (42) dem unter Druck stehenden Hydraulikmedium ausgesetzt ist und dass ab einer zweiten Position des Kolbens (34) eine zweite Fläche der Druckfläche (42), die größer als die erste Fläche ist, dem unter Druck stehenden Medium ausgesetzt ist;
    dadurch gekennzeichnet, dass
    der Einlass (46) für das unter Druck stehende Hydraulikmedium in der Stirnwand (40) der Kolbenbohrung (36) angeordnet ist; und
    der vorstehende Stift (54) den Einlass (46) blockiert, wenn der Kolben (34) sich in der ersten Position befindet.
  2. Kipphebelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die erste Fläche einen kleineren Abschnitt der Druckfläche (42) und die zweite Fläche einen überwiegenden Abschnitt der Druckfläche (42) darstellen
  3. Kipphebelvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die zweite Fläche der Gesamtfläche der Druckfläche (42) einschließlich der ersten Fläche entspricht
  4. Kipphebelvorrichtung nach irgendeinem der vorangehenden Ansprüche, gekennzeichnet durch einen Hauptkipphebel (12) mit einem Körper (14), der eine Aufnahme (18) zum Eingriff mit einem Drehzapfen (19) an einem ersten Ende und ein Verbindungsflächenmittel (20) zum Eingriff mit einem Ventilschaft (21) an einem zweiten Ende des Körpers (14) umfasst.
  5. Kipphebelvorrichtung nach irgendeinem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Sperrbetätigungsmittel (30) im Hauptkipphebelkörper (14) vorgesehen ist
  6. Kipphebelvorrichtung nach Anspruch 4 und 5, dadurch gekennzeichnet, dass
    ein Zulaufdurchlass (49) die Aufnahme (18) mit dem Einlass (46) in der Stirnwand (40) der Hydraulikkammer (44) verbindet; und
    der Drehzapfen (19) eine hydraulische Zielangleichvorrichtung mit einem Nasenabschnitt ist, der mit der Aufnahme (18) in Eingriff steht und mit einer Bohrung für das Hydraulikmedium versehen ist
  7. Kipphebelvorrichtung nach irgendeinem der vorangehenden Ansprüche, gekennzeichnet durch ein Federmittel (50) zum Vorspannen des Sperrelements (48) in einer Richtung, die der Richtung entgegengesetzt ist, in der der Kolben (34) wegen der Wirkung des Hydraulikmediums auf die Kolbendruckfläche (42) bewegt wird
  8. Kipphebelvorrichtung nach irgendeinem der vorangehenden Ansprüche, gekennzeichnet durch zwei seitliche Kipphebel, von denen jeweils einer an jeder Seite des Hauptkipphebels (12) angeordnet ist, wobei das Sperrelement (48) in seiner zweiten Position mit zusammenwirkenden Sperrflächen der seitlichen Kipphebel in Eingriff steht.
EP04100729A 2004-02-25 2004-02-25 Kipphebelvorrichtung für einen Ventiltrieb Expired - Lifetime EP1568849B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE602004003788T DE602004003788T2 (de) 2004-02-25 2004-02-25 Kipphebelvorrichtung für einen Ventiltrieb
EP04100729A EP1568849B1 (de) 2004-02-25 2004-02-25 Kipphebelvorrichtung für einen Ventiltrieb
AT04100729T ATE348947T1 (de) 2004-02-25 2004-02-25 Kipphebelvorrichtung für einen ventiltrieb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04100729A EP1568849B1 (de) 2004-02-25 2004-02-25 Kipphebelvorrichtung für einen Ventiltrieb

Publications (2)

Publication Number Publication Date
EP1568849A1 EP1568849A1 (de) 2005-08-31
EP1568849B1 true EP1568849B1 (de) 2006-12-20

Family

ID=34746063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04100729A Expired - Lifetime EP1568849B1 (de) 2004-02-25 2004-02-25 Kipphebelvorrichtung für einen Ventiltrieb

Country Status (3)

Country Link
EP (1) EP1568849B1 (de)
AT (1) ATE348947T1 (de)
DE (1) DE602004003788T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012203702A1 (de) * 2012-03-08 2013-09-12 Man Diesel & Turbo Se Ventiltrieb für eine Brennkraftmaschine und Brennkraftmaschine
CN108167044B (zh) * 2017-12-28 2020-09-29 潍柴动力股份有限公司 一种气门摇臂总成、可变配气机构及发动机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6397815A (ja) * 1986-10-13 1988-04-28 Honda Motor Co Ltd 内燃機関の動弁装置
DE3800347A1 (de) * 1987-01-08 1988-09-29 Honda Motor Co Ltd Ventilbetaetigungsvorrichtung in einer brennkraftmaschine
CA1323533C (en) * 1987-12-28 1993-10-26 Toshihiro Oikawa Valve operating system for internal combustion engines
DE4317638C1 (de) * 1993-05-27 1994-08-18 Audi Ag Ventilbetätigungsvorrichtung für eine Mehrzylinder-Brennkraftmaschine
US6668779B2 (en) * 2002-05-08 2003-12-30 Delphi Technologies, Inc. Two-step finger follower rocker arm assembly
DE10220904B4 (de) * 2002-05-10 2005-04-07 Meta Motoren- Und Energie-Technik Gmbh Vorrichtung zum Verstellen des Hubs eines von einer Nockenwelle betätigten Ventils

Also Published As

Publication number Publication date
EP1568849A1 (de) 2005-08-31
DE602004003788D1 (de) 2007-02-01
DE602004003788T2 (de) 2007-10-11
ATE348947T1 (de) 2007-01-15

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