IT1302701B1 - Dispositivo a bilanciere per il controllo contemporaneo dell'alzatadelle valvole e della relativa fasatura in un motore a scoppio. - Google Patents

Dispositivo a bilanciere per il controllo contemporaneo dell'alzatadelle valvole e della relativa fasatura in un motore a scoppio.

Info

Publication number
IT1302701B1
IT1302701B1 IT1998MI002244A ITMI982244A IT1302701B1 IT 1302701 B1 IT1302701 B1 IT 1302701B1 IT 1998MI002244 A IT1998MI002244 A IT 1998MI002244A IT MI982244 A ITMI982244 A IT MI982244A IT 1302701 B1 IT1302701 B1 IT 1302701B1
Authority
IT
Italy
Prior art keywords
valves
lift
combustion engine
relative timing
rocker device
Prior art date
Application number
IT1998MI002244A
Other languages
English (en)
Italian (it)
Inventor
Majo Cecur
Original Assignee
Eaton Automotive Spa
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 Eaton Automotive Spa filed Critical Eaton Automotive Spa
Priority to IT1998MI002244A priority Critical patent/IT1302701B1/it
Publication of ITMI982244A0 publication Critical patent/ITMI982244A0/it
Priority to BR9906075-2A priority patent/BR9906075A/pt
Priority to JP29850899A priority patent/JP4541471B2/ja
Priority to DE69923139T priority patent/DE69923139T2/de
Priority to EP99308287A priority patent/EP0995885B1/en
Publication of ITMI982244A1 publication Critical patent/ITMI982244A1/it
Application granted granted Critical
Publication of IT1302701B1 publication Critical patent/IT1302701B1/it
Priority to US09/841,572 priority patent/US6588387B2/en

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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/185—Overhead end-pivot rocking arms
    • 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
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • 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
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • 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
    • F01L13/0063—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 modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
    • 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
    • F01L2001/186—Split rocking arms, e.g. rocker arms having two articulated parts and means for varying the relative position of these parts or for selectively connecting the parts to move in unison
    • 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
    • F01L2305/00—Valve arrangements comprising rollers
    • F01L2305/02—Mounting of rollers
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/03—Auxiliary actuators
    • F01L2820/033—Hydraulic engines

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)
IT1998MI002244A 1998-10-20 1998-10-20 Dispositivo a bilanciere per il controllo contemporaneo dell'alzatadelle valvole e della relativa fasatura in un motore a scoppio. IT1302701B1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT1998MI002244A IT1302701B1 (it) 1998-10-20 1998-10-20 Dispositivo a bilanciere per il controllo contemporaneo dell'alzatadelle valvole e della relativa fasatura in un motore a scoppio.
BR9906075-2A BR9906075A (pt) 1998-10-20 1999-10-20 Sistema de controle de válvula para um motor de combustão interna
JP29850899A JP4541471B2 (ja) 1998-10-20 1999-10-20 燃焼エンジンのバルブリフトと相対的なタイミングとを同時制御するロッカアーム装置
DE69923139T DE69923139T2 (de) 1998-10-20 1999-10-20 Schlepphebelanordnung für gleichzeitige Ventil-Hub und Winkelsteuerung in einer Brennkraftmaschine
EP99308287A EP0995885B1 (en) 1998-10-20 1999-10-20 Rocker arm device for simultaneous control of valve lift and relative timing in a combustion engine
US09/841,572 US6588387B2 (en) 1998-10-20 2001-04-24 Rocker arm device for simultaneous control of valve lift and relative timing in a combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1998MI002244A IT1302701B1 (it) 1998-10-20 1998-10-20 Dispositivo a bilanciere per il controllo contemporaneo dell'alzatadelle valvole e della relativa fasatura in un motore a scoppio.

Publications (3)

Publication Number Publication Date
ITMI982244A0 ITMI982244A0 (it) 1998-10-20
ITMI982244A1 ITMI982244A1 (it) 2000-04-20
IT1302701B1 true IT1302701B1 (it) 2000-09-29

Family

ID=11380897

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998MI002244A IT1302701B1 (it) 1998-10-20 1998-10-20 Dispositivo a bilanciere per il controllo contemporaneo dell'alzatadelle valvole e della relativa fasatura in un motore a scoppio.

Country Status (5)

Country Link
EP (1) EP0995885B1 (enExample)
JP (1) JP4541471B2 (enExample)
BR (1) BR9906075A (enExample)
DE (1) DE69923139T2 (enExample)
IT (1) IT1302701B1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10060890C2 (de) * 2000-12-07 2003-04-03 Meta Motoren Energietech Vorrichtung zum Umschalten des Betriebs eines Ladungswechselventils einer Brennkraftmaschine
JP4057855B2 (ja) 2002-07-05 2008-03-05 本田技研工業株式会社 内燃機関の動弁装置
CN100487231C (zh) * 2004-01-16 2009-05-13 本田技研工业株式会社 发动机的气门传动装置
EP1923546B1 (en) * 2005-09-08 2012-06-06 Honda Motor Co., Ltd. Valve drive device for engine
DE102008008094B3 (de) * 2008-02-08 2009-05-14 Meta Motoren- Und Energie-Technik Gmbh Ventilhebelbaugruppe mit einem schaltbaren Ventilbetätigungsmechanismus
WO2017134062A1 (en) * 2016-02-01 2017-08-10 Eaton Srl Variable rocker ratio system for a switchable rocker arm
DE102016210463A1 (de) * 2016-06-14 2017-12-14 Thyssenkrupp Ag Ventilsteuervorrichtung für eine Brennkraftmaschine
DE102017101792B4 (de) 2017-01-31 2018-11-15 Schaeffler Technologies AG & Co. KG Variabler Ventiltrieb eines Verbrennungskolbenmotors
GB201710964D0 (en) * 2017-07-07 2017-08-23 Eaton Srl Actuator
WO2020030298A1 (en) * 2018-08-09 2020-02-13 Eaton Intelligent Power Limited Deactivating rocker arm having two-stage latch pin
US11566544B2 (en) 2018-08-09 2023-01-31 Eaton Intelligent Power Limited Rocker arm assembly with lost motion spring
DE102018131601A1 (de) * 2018-12-10 2019-10-31 Schaeffler Technologies AG & Co. KG Schaltbarer Schlepphebel für einen Ventiltrieb einer Brennkraftmaschine und Variabler Ventiltrieb für eine Brennkraftmaschine
CN116163818B (zh) * 2023-04-24 2023-06-27 泰州市姜堰伟达机械有限公司 一种内燃机的摇臂装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60228717A (ja) * 1984-04-27 1985-11-14 Suzuki Motor Co Ltd ４サイクルエンジンのバルブリフト可変装置
JPS62170714A (ja) * 1986-01-23 1987-07-27 Fuji Heavy Ind Ltd 自動車用エンジンの動弁装置
US4768467A (en) * 1986-01-23 1988-09-06 Fuji Jukogyo Kabushiki Kaisha Valve operating system for an automotive engine
JPS62170711A (ja) * 1986-01-23 1987-07-27 Fuji Heavy Ind Ltd 自動車用エンジンの動弁装置
JPS62203913A (ja) * 1986-02-28 1987-09-08 Fuji Heavy Ind Ltd 自動車用エンジンの動弁装置
IT1240107B (it) * 1990-02-16 1993-11-27 Ferrari Spa Sistema di distribuzione variabile, in particolare per un motore endotermico.
DE4136143A1 (de) * 1991-11-02 1993-05-06 Audi Ag, 8070 Ingolstadt, De Ventilsteuereinrichtung fuer eine brennkraftmaschine
JPH0626313A (ja) * 1992-06-02 1994-02-01 Yoshiteru Ono 可変バルブタイミング機構
DE4220816A1 (de) * 1992-06-25 1994-01-05 Schaeffler Waelzlager Kg Variable Ventilsteuerung mittels Änderung der Hebelverhältnisse bei Kipp- oder Schlepphebeln von Ventiltrieben
US5655488A (en) * 1996-07-22 1997-08-12 Eaton Corporation Dual event valve control system

Also Published As

Publication number Publication date
EP0995885A3 (en) 2000-07-19
DE69923139T2 (de) 2005-12-29
JP4541471B2 (ja) 2010-09-08
ITMI982244A0 (it) 1998-10-20
EP0995885A2 (en) 2000-04-26
ITMI982244A1 (it) 2000-04-20
EP0995885B1 (en) 2005-01-12
JP2000130132A (ja) 2000-05-09
DE69923139D1 (de) 2005-02-17
BR9906075A (pt) 2000-09-05

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