EP1350928A3 - Apparatus for variable actuation of a poppet valve in a combustion engine - Google Patents

Apparatus for variable actuation of a poppet valve in a combustion engine Download PDF

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Publication number
EP1350928A3
EP1350928A3 EP03007234A EP03007234A EP1350928A3 EP 1350928 A3 EP1350928 A3 EP 1350928A3 EP 03007234 A EP03007234 A EP 03007234A EP 03007234 A EP03007234 A EP 03007234A EP 1350928 A3 EP1350928 A3 EP 1350928A3
Authority
EP
European Patent Office
Prior art keywords
lift
valve
sense
linear cam
counter
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
EP03007234A
Other languages
German (de)
French (fr)
Other versions
EP1350928B1 (en
EP1350928A2 (en
Inventor
Willi Roth
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1350928A2 publication Critical patent/EP1350928A2/en
Publication of EP1350928A3 publication Critical patent/EP1350928A3/en
Application granted granted Critical
Publication of EP1350928B1 publication Critical patent/EP1350928B1/en
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
    • 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
    • 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
    • F01L1/181—Centre pivot rocking arms
    • F01L1/182—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft
    • 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
    • F01L13/0005—Deactivating 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
    • 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
    • F01L2305/00—Valve arrangements comprising rollers

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)

Abstract

Bei einer Vorrichtung zur variablen Betätigung eines Hubventils mit einem im Antriebszug zwischen einer oszillierenden Aktuatoreinrichtung (8, 9) und dem Hubventil (3) angeordneten, hin- und herbewegbaren Linearnocken (12) der einerseits mit einem im Sinne des Ventilhubs stationären Gegenorgan (13) und andererseits mit einem im Sinne des Ventilhubs beweglichen, antriebsmäßig mit dem Hubventil (3) verbundenen Gegenorgan (14) zusammenwirkt und mit wenigstens einer eine Hubbewegung des im Sinne des Ventilhubs beweglichen Gegenorgans (14) bewerkstelligenden Steuerkurve (22) versehen ist, wobei die Hubbewegung des Gegenorgans (14) durch eine im Sinne der hin- und hergehenden Bewegung des Linearnockens (12) erfolgende Relativbewegung zwischen dem Linearnocken (12) und wenigstens einem einer Steuerkurve (22) des Linearnockens (12) zugeordneten Gegenorgan (14) variierbar ist, lassen sich dadurch ein breites Einsatzfeld und eine hohe Zuverlässigkeit erreichen, dass der Linearnocken (12) schwenkbar an einen seinerseits durch die Aktuatoreinrichtung (8, 9) schwenkbaren Schwenkhebel (10) angelenkt ist, dessen Schwenklager quer zu seiner Achse und/oder dessen Schwenkwinkel verstellbar ist.

Figure 00000001
In a device for variable actuation of a lift valve with a linear cam (12) which is arranged in the drive train between an oscillating actuator device (8, 9) and the lift valve (3) and which, on the one hand, has a counter element (13) which is stationary in the sense of the valve lift. and, on the other hand, cooperates with a counter element (14) which is movable in the sense of the valve lift and is connected to the lift valve (3) in terms of drive, and is provided with at least one control cam (22) which effects a stroke movement of the counter member (14) which is movable in the sense of the valve lift, the lift movement of the counter organ (14) can be varied by a relative movement between the linear cam (12) and at least one counter organ (14) assigned to a control cam (22) of the linear cam (12) in the sense of the reciprocating movement of the linear cam (12) a wide range of applications and high reliability can be achieved by the linear cam (12) sc is pivotally connected to a pivot lever (10) which in turn can be pivoted by the actuator device (8, 9), the pivot bearing of which is adjustable transversely to its axis and / or the pivot angle thereof.
Figure 00000001
EP03007234A 2002-04-06 2003-04-01 Apparatus for variable actuation of a poppet valve in a combustion engine Expired - Lifetime EP1350928B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10215281 2002-04-06
DE10215281A DE10215281A1 (en) 2002-04-06 2002-04-06 Device for continuously varying the valve lift in internal combustion engines

Publications (3)

Publication Number Publication Date
EP1350928A2 EP1350928A2 (en) 2003-10-08
EP1350928A3 true EP1350928A3 (en) 2003-12-10
EP1350928B1 EP1350928B1 (en) 2006-09-27

Family

ID=27816181

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03007234A Expired - Lifetime EP1350928B1 (en) 2002-04-06 2003-04-01 Apparatus for variable actuation of a poppet valve in a combustion engine

Country Status (2)

Country Link
EP (1) EP1350928B1 (en)
DE (2) DE10215281A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10261304B4 (en) * 2002-12-27 2009-01-22 BÖSL-FLIERL, Gerlinde Valve lift device for variable valve control of the gas exchange valves of an internal combustion engine
DE10303128A1 (en) * 2003-01-28 2004-07-29 Fev Motorentechnik Gmbh Variable valve drive for a gas shuttle valve in a reciprocating piston engine, especially a reciprocating internal combustion engine, comprises a drive device acting on a stroke transfer device having an adjustable control element
DE102005035315B4 (en) * 2005-07-28 2007-05-10 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Variable valve train for internal combustion engines
JP2007127117A (en) * 2005-10-04 2007-05-24 Masaaki Yoshikawa Valve system apparatus for four-stroke internal combustion engine
US7363893B2 (en) * 2005-12-05 2008-04-29 Delphi Technologies, Inc. System for variable valvetrain actuation

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911879A (en) * 1973-07-13 1975-10-14 Daimler Benz Ag Valve adjustment mechanism for internal combustion engine
US4205634A (en) * 1978-02-17 1980-06-03 Tourtelot Edward M Jr Variable valve timing mechanism
US4459946A (en) * 1982-05-17 1984-07-17 Investment Rarities, Incorporated Valve actuating apparatus utilizing a multi-profiled cam unit for controlling internal combustion engines
US4469056A (en) * 1983-02-22 1984-09-04 Tourtelot Jr Edward M Dual follower variable valve timing mechanism
US5027760A (en) * 1988-01-19 1991-07-02 Franco Storchi Variable timing system for engine valve operating gear
US5119773A (en) * 1988-10-01 1992-06-09 Peter Kuhn Apparatus for operating the valves on internal combustion engines with a variable valve lift curve
DE4135257A1 (en) * 1991-10-25 1993-04-29 Peter Prof Dr Ing Kuhn Device for operating valves in internal combustion engine
DE4326331A1 (en) * 1992-07-15 1995-02-09 Bayerische Motoren Werke Ag Valve gear of an internal combustion engine
DE10040544A1 (en) * 2000-08-18 2002-02-28 Schaeffler Waelzlager Ohg Variable valve drive for externally ignited internal combustion engine, includes movable support arranged in cylinder head and contacting lever which is provided between transmission and inlet valve

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911879A (en) * 1973-07-13 1975-10-14 Daimler Benz Ag Valve adjustment mechanism for internal combustion engine
US4205634A (en) * 1978-02-17 1980-06-03 Tourtelot Edward M Jr Variable valve timing mechanism
US4459946A (en) * 1982-05-17 1984-07-17 Investment Rarities, Incorporated Valve actuating apparatus utilizing a multi-profiled cam unit for controlling internal combustion engines
US4469056A (en) * 1983-02-22 1984-09-04 Tourtelot Jr Edward M Dual follower variable valve timing mechanism
US5027760A (en) * 1988-01-19 1991-07-02 Franco Storchi Variable timing system for engine valve operating gear
US5119773A (en) * 1988-10-01 1992-06-09 Peter Kuhn Apparatus for operating the valves on internal combustion engines with a variable valve lift curve
DE4135257A1 (en) * 1991-10-25 1993-04-29 Peter Prof Dr Ing Kuhn Device for operating valves in internal combustion engine
DE4326331A1 (en) * 1992-07-15 1995-02-09 Bayerische Motoren Werke Ag Valve gear of an internal combustion engine
DE10040544A1 (en) * 2000-08-18 2002-02-28 Schaeffler Waelzlager Ohg Variable valve drive for externally ignited internal combustion engine, includes movable support arranged in cylinder head and contacting lever which is provided between transmission and inlet valve

Also Published As

Publication number Publication date
EP1350928B1 (en) 2006-09-27
DE50305150D1 (en) 2006-11-09
EP1350928A2 (en) 2003-10-08
DE10215281A1 (en) 2003-10-16

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