EP0283671B1 - Verfahren zum Betreiben eines Einlassventiles einer Brennkraftmaschine - Google Patents

Verfahren zum Betreiben eines Einlassventiles einer Brennkraftmaschine Download PDF

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Publication number
EP0283671B1
EP0283671B1 EP88101222A EP88101222A EP0283671B1 EP 0283671 B1 EP0283671 B1 EP 0283671B1 EP 88101222 A EP88101222 A EP 88101222A EP 88101222 A EP88101222 A EP 88101222A EP 0283671 B1 EP0283671 B1 EP 0283671B1
Authority
EP
European Patent Office
Prior art keywords
inlet valve
setting
open setting
valve
electromagnet
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
EP88101222A
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German (de)
English (en)
French (fr)
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EP0283671A1 (de
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.)
Audi AG
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Audi AG
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Filing date
Publication date
Application filed by Audi AG filed Critical Audi AG
Publication of EP0283671A1 publication Critical patent/EP0283671A1/de
Application granted granted Critical
Publication of EP0283671B1 publication Critical patent/EP0283671B1/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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means

Definitions

  • the invention relates to a method for operating an intake valve of an internal combustion engine according to the preamble of claim 1.
  • the gas exchange valve is held in its open and in its closed position and leaves its closed position only by a corresponding control impulse on the electromagnet.
  • the object of the invention is to show a way to allow only small amounts of the fuel-air mixture to occur in internal combustion engines of the type mentioned in areas with low load requirements.
  • claim 1 The object is achieved by claim 1 or claim 2
  • the gas exchange valve is opened from its closed position for short-term opening by a corresponding wiring of the magnets and is acted upon by the spring action in the direction of the open position.
  • the gas exchange valve is not caught, as in the prior art, in order to then be moved back into the closed position in a defined manner, but the catching mechanism of the open position is not activated.
  • the electromagnet assigned to the open position is activated so that the gas exchange valve is repelled again. This process can even be supported by a corresponding wiring of the electromagnet.
  • the electromagnet assigned to the open position is not energized, so that the armature, which moves into the area of attraction of the electromagnet, which is assigned to the open position, is not attracted there, but by the spring action in the reverse direction is immediately brought back in the direction of the magnet associated with the closed position.
  • This now re-energized closing magnet then ensures that the gas exchange valve remains in its closed position.
  • a particularly favorable point in time for the corresponding actuation of the gas exchange valve is the point in time shortly after bottom dead center, that is to say when a maximum negative pressure has set in the interior of the cylinder and the piston is already moving upwards again. Under these conditions, an optimal swirling of the mixture within the cylinder is achieved, which has a favorable effect on the subsequent combustion process. The fuel requirement of an engine can be greatly reduced in this way.
  • the figure shows schematically an arrangement for controlling a gas exchange valve.
  • (10) shows the interior of a cylinder, to which a gasoline-air mixture can be supplied via an intake duct (12).
  • a valve disk (14) of an inlet valve opens the opening of the inlet channel (12) when it is lifted out of its seat, so that the mixture can enter the cylinder (10).
  • the valve plate (14) of the inlet valve is moved via a valve stem (16) which is connected to an anchor plate (18).
  • the anchor plate (18) is in the closed position of the valve on the poles of an electromagnet (20), in the open position of the valve on the poles of an electromagnet ten (22).
  • the electromagnets (20) and (22) are arranged in a housing (24).
  • a bore (26) is provided which surrounds part of the valve stem (16) and in which springs (28) and (30) are provided.
  • the springs (28) are supported on one edge of the bore (26) and act on the anchor plate (18) in the closed position of the valve in the direction of the movement to the open position, the springs (30) are also on the other side of the anchor plate on the edge the bore and act on the anchor plate (18) of the valve in the open position in the direction of the movement to the closed position.
  • the electromagnets (20) are energized, while the springs (28) act on the armature plate in the direction away from the electromagnets (20), that is, counter to the attractive force of the electromagnets.
  • the force exerted by the springs (28) is less than the holding force of the electromagnet (20).
  • the electromagnet (20) is switched off, the armature (18) is pushed away by the springs (28), the valve moves into its open position. If the electromagnets (22) are now energized, the armature (18) is attracted to the electromagnets (22) when they approach it, the spring (30) is then tensioned and the spring (28) is relaxed.
  • the electromagnet (22) is not actuated during this movement from the closed position into the open position, so that after the springs (28) have been relaxed and the springs (30) have been compressed, the springs (30) immediately reverse the direction of movement and press the armature (18) back near the electromagnets (20) so that the system has performed a single vibration.
  • the electromagnet (20) has meanwhile been energized again, so that with this approach of the armature plate (18) to the electromagnet (20), the armature (18) is attracted again by the electromagnet (20) and the valve closes again.
  • the valve disc (14) has thus only very briefly lifted off its seat and immediately moved back into its closed position, so that a fuel-air mixture could only enter the interior of the cylinder (10) for a very short period of time.
  • the time of the greatest pressure difference between the ambient pressure in the intake manifold and the cylinder interior (10) can be exploited, namely the time at or immediately after reaching bottom dead center.
  • An entry of the fuel-air mixture at this time ensures an optimal swirl in the combustion chamber, so that the energy content of the fuel-air mixture is optimally used and at the same time the exhaust gas behavior is positively influenced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
EP88101222A 1987-03-14 1988-01-28 Verfahren zum Betreiben eines Einlassventiles einer Brennkraftmaschine Expired - Lifetime EP0283671B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3708373 1987-03-14
DE3708373A DE3708373C1 (de) 1987-03-14 1987-03-14 Verfahren zum Betreiben eines Einlassventiles einer Brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP0283671A1 EP0283671A1 (de) 1988-09-28
EP0283671B1 true EP0283671B1 (de) 1990-10-24

Family

ID=6323111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88101222A Expired - Lifetime EP0283671B1 (de) 1987-03-14 1988-01-28 Verfahren zum Betreiben eines Einlassventiles einer Brennkraftmaschine

Country Status (5)

Country Link
US (1) US4841923A (ja)
EP (1) EP0283671B1 (ja)
JP (1) JP2545110B2 (ja)
DE (2) DE3708373C1 (ja)
ES (1) ES2018307B3 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19712063A1 (de) * 1997-03-24 1998-10-01 Braunewell Markus Elektromagnetischer Antrieb
DE19712669A1 (de) * 1997-03-26 1998-10-08 Daimler Benz Ag Elektromagnetisch gesteuertes Ventil
DE19743081A1 (de) * 1997-09-30 1999-04-01 Bayerische Motoren Werke Ag Elektromagnetischer Aktuator zur Steuerung eines Hubventils, insbesondere Gaswechselventil einer Brennkraftmaschine

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3826978A1 (de) * 1988-08-09 1990-02-15 Meyer Hans Wilhelm Elektromagnetisch betaetigbare stellvorrichtung
DE3826977A1 (de) * 1988-08-09 1990-02-15 Meyer Hans Wilhelm Stelleinrichtung fuer ein gaswechselventil einer brennkraftmaschine
DE3836725C1 (ja) * 1988-10-28 1989-12-21 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De
JPH0635812B2 (ja) * 1988-10-31 1994-05-11 いすゞ自動車株式会社 電磁力駆動バルブ制御装置
JPH0617642B2 (ja) * 1988-10-31 1994-03-09 いすゞ自動車株式会社 電磁力駆動バルブ制御装置
JP2688953B2 (ja) * 1988-11-11 1997-12-10 株式会社いすゞセラミックス研究所 電磁力駆動バルブ制御装置
JP2759330B2 (ja) * 1988-12-28 1998-05-28 株式会社いすゞセラミックス研究所 電磁力バルブ駆動装置
JPH02176288A (ja) * 1988-12-28 1990-07-09 Isuzu Ceramics Kenkyusho:Kk 電磁力バルブ駆動装置
JP2759329B2 (ja) * 1988-12-28 1998-05-28 株式会社いすゞセラミックス研究所 電磁力バルブ駆動装置
JPH0621531B2 (ja) * 1988-12-28 1994-03-23 いすゞ自動車株式会社 電磁力駆動バルブの制御装置
DE4035376C2 (de) * 1989-11-16 2000-04-27 Volkswagen Ag Betätigungseinrichtung für ein Hubventil
JP3043349B2 (ja) * 1989-12-12 2000-05-22 株式会社いすゞセラミックス研究所 電磁力バルブ駆動制御装置
US5074259A (en) * 1990-05-09 1991-12-24 Pavo Pusic Electrically operated cylinder valve
US5216987A (en) * 1992-06-01 1993-06-08 Caterpillar Inc. Method and apparatus for optimizing breathing utilizing unit valve actuation
US5339777A (en) * 1993-08-16 1994-08-23 Caterpillar Inc. Electrohydraulic device for actuating a control element
JP3315275B2 (ja) * 1994-11-04 2002-08-19 本田技研工業株式会社 対向二ソレノイド型電磁弁の制御装置
WO1997017561A1 (en) * 1994-11-09 1997-05-15 Aura Systems, Inc. Hinged armature electromagnetically actuated valve
DE9420463U1 (de) * 1994-12-21 1996-04-25 FEV Motorentechnik GmbH & Co. KG, 52078 Aachen Elektromagnetisch betätigbare Stellvorrichtung
DE19610468B4 (de) * 1995-08-08 2008-04-24 Fev Motorentechnik Gmbh Verfahren zur lastabhängigen Steuerung der Gaswechselventile an einer Kolbenbrennkraftmaschine
DE19531437A1 (de) * 1995-08-26 1997-02-27 Fev Motorentech Gmbh & Co Kg Verfahren zur Erfassung des Ventilspiels an einem durch einen elektromagnetischen Aktuator betätigten Gaswechselventil
KR100248332B1 (ko) * 1995-12-23 2000-04-01 정몽규 차량의 흡/배기밸브용 개폐장치
JP3695118B2 (ja) * 1998-01-12 2005-09-14 トヨタ自動車株式会社 電磁駆動弁の制御装置
JP3724542B2 (ja) * 1998-11-18 2005-12-07 日産自動車株式会社 可変動弁エンジンの吸入空気量制御装置
DE10246182B3 (de) * 2002-10-02 2004-03-04 Meta Motoren- Und Energie-Technik Gmbh In einem Einlasskanal einer Kolbenbrennkraftmaschine angeordnete Zusatzsteuerventileinrichtung
US7004120B2 (en) * 2003-05-09 2006-02-28 Warren James C Opposed piston engine
DE10321017A1 (de) * 2003-05-10 2004-12-02 Bayerische Motoren Werke Ag Hubaktuator für Verbrennungsmotoren mit elektrischem Ventiltrieb
US8037853B2 (en) * 2005-04-19 2011-10-18 Len Development Services Usa, Llc Internal combustion engine with electronic valve actuators and control system therefor
US7270093B2 (en) * 2005-04-19 2007-09-18 Len Development Services Corp. Internal combustion engine with electronic valve actuators and control system therefor
US10344682B1 (en) 2017-01-13 2019-07-09 Andre H Vandenberg Engine valve shaft with flow passages for intake and exhaust control

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2630512A1 (de) * 1976-07-07 1978-01-12 Daimler Benz Ag Ventilsteuerung, insbesondere fuer brennkraftmaschinen
EP0041517A1 (en) * 1979-12-03 1981-12-16 GOTTSCHALL, Martin A two position mechanism
DE3024109A1 (de) * 1980-06-27 1982-01-21 Pischinger, Franz, Prof. Dipl.-Ing. Dr.Techn., 5100 Aachen Elektromagnetisch arbeitende stelleinrichtung
DE3401362C3 (de) * 1983-02-04 1998-03-26 Fev Motorentech Gmbh Verfahren zur Steuerung von Viertakt-Kolbenbrennkraftmaschinen
DE3307070C2 (de) * 1983-03-01 1985-11-28 FEV Forschungsgesellschaft für Energietechnik und Verbrennungsmotoren mbH, 5100 Aachen Stelleinrichtung für ein zwischen zwei Endstellungen verstellbares Schaltelement
DE3307683C1 (de) * 1983-03-04 1984-07-26 Klöckner, Wolfgang, Dr., 8033 Krailling Verfahren zum Aktivieren einer elektromagnetisch arbeitenden Stelleinrichtung sowie Vorrichtung zum Durchfuehren des Verfahrens
DE3500530A1 (de) * 1985-01-09 1986-07-10 Binder Magnete GmbH, 7730 Villingen-Schwenningen Vorrichtung zur elektromagnetischen steuerung von hubventilen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19712063A1 (de) * 1997-03-24 1998-10-01 Braunewell Markus Elektromagnetischer Antrieb
DE19712669A1 (de) * 1997-03-26 1998-10-08 Daimler Benz Ag Elektromagnetisch gesteuertes Ventil
DE19712669C2 (de) * 1997-03-26 2000-03-30 Daimler Chrysler Ag Elektromagnetisch gesteuertes Ventil
DE19743081A1 (de) * 1997-09-30 1999-04-01 Bayerische Motoren Werke Ag Elektromagnetischer Aktuator zur Steuerung eines Hubventils, insbesondere Gaswechselventil einer Brennkraftmaschine

Also Published As

Publication number Publication date
JPS63248907A (ja) 1988-10-17
US4841923A (en) 1989-06-27
ES2018307B3 (es) 1991-04-01
JP2545110B2 (ja) 1996-10-16
DE3860854D1 (de) 1990-11-29
DE3708373C1 (de) 1988-07-14
EP0283671A1 (de) 1988-09-28

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