EP1120548A2 - Commande de soupape de moteur à combustion interne par actionneur électromagnétique muni de ressorts de rappel pneumatiques - Google Patents

Commande de soupape de moteur à combustion interne par actionneur électromagnétique muni de ressorts de rappel pneumatiques Download PDF

Info

Publication number: EP1120548A2
Authority: EP; European Patent Office
Prior art keywords: gas; armature; magnet; gas springs; internal combustion
Prior art date: 2000-01-26
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

EP00126373A

Other languages

German (de)

English (en)

Other versions

EP1120548A3 (fr

EP1120548B1 (fr

Inventor

Hans-Jörg Steffens

Frank Meissner

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.)

2000-01-26

Filing date

2000-12-02

Publication date

2001-08-01

2000-12-02 Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG

2001-08-01 Publication of EP1120548A2 publication Critical patent/EP1120548A2/fr

2001-12-05 Publication of EP1120548A3 publication Critical patent/EP1120548A3/fr

2005-07-27 Application granted granted Critical

2005-07-27 Publication of EP1120548B1 publication Critical patent/EP1120548B1/fr

2020-12-02 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000002485 combustion reaction Methods 0.000 claims description 14
238000000926 separation method Methods 0.000 abstract 1
238000013016 damping Methods 0.000 description 3
230000000694 effects Effects 0.000 description 2
230000009286 beneficial effect Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000003993 interaction Effects 0.000 description 1

Images

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 preamble of claim 1
Valve control for internal combustion engines with one equipped with gas springs electro-magnetic actuator in which one with a gas exchange valve in drive connection standing anchor between a closing magnet and an opening magnet is arranged to oscillate against restoring forces of the gas springs, the gas springs separated from each other by means of the armature from a chargeable Store a gas metered via controllable valves and from the gas springs Gas is drained via controllable drain valves.
Such a valve control is known for example from US 5,611,303, the interaction of metering valves and drain valves with regard to a stroke adjustable actuator is tuned. This configuration also requires Formation of the gas springs in a tube arranged as a piston, the center of an anchor section is divided.
the invention has for its object to the generic valve control simple design so that variable spring characteristics in connection with controlled stroke damping can be achieved.
the electro-magnetic actuator according to the invention with a pressure-controlled actuator Armature or separating piston with deenergized closing magnet and opening magnet
the Separating piston or armature pressure-controlled when the internal combustion engine is switched off The closed position of the gas exchange valve is arranged, the on the closing magnet struck separating piston or armature by means of permanent magnets on Closing magnet is held.
the invention is based on an embodiment shown schematically in the drawing described.
a valve controller 1 for an internal combustion engine includes one Actuator 2 with gas springs 3, 4, one with a gas exchange valve 5 in drive connection standing armature 6 between a closing magnet 7 and a Opening magnets 8 are arranged oscillating against restoring forces of the gas springs 3, 4 is.
the gas springs 3 and 4 are from a rechargeable memory 9 Lines 9 'and 9 "each meter a gas via controllable valves 10. Furthermore, gas can be released from the gas springs 3 and 4 via controllable drain valves 11.
the Armature 6 as a tightly slidably arranged in a cylinder 12 of the actuator 2
Separating piston 13 is formed between the two gas springs 3 and 4 and that the Metering valves 10 and the drain valves 11 depending on the load ranges of the Internal combustion engine controlled to adjust adjusted spring characteristics, the drain valves 11 additionally controlling a damped stop the separating piston 13 and the armature 12 against the closing magnet 7 and against serve the opening magnets.
Actuator 2 of armature 6 even when the closing magnet and opening magnet are not energized be operated under pressure control.
Control of the actuator 2 can be used so that the separating piston 13 or armature 12 when switching off the internal combustion engine pressure-controlled in the closed position of the Gas exchange valve 5 is arranged, the struck on the closing magnet 7 Separating piston 13 is held on the closing magnet 7 by means of a permanent magnet 14 is.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Valve Device For Special Equipments (AREA)

EP00126373A 2000-01-26 2000-12-02 Commande de soupape de moteur à combustion interne par actionneur électromagnétique muni de ressorts de rappel pneumatiques Expired - Lifetime EP1120548B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE10003116A DE10003116A1 (de)	2000-01-26	2000-01-26	Ventilsteuerung für Brennkraftmaschinen mit einem mit Gasfedern ausgerüsteten elektro-magnetischen Aktor
DE10003116		2000-01-26

Publications (3)

Publication Number	Publication Date
EP1120548A2 true EP1120548A2 (fr)	2001-08-01
EP1120548A3 EP1120548A3 (fr)	2001-12-05
EP1120548B1 EP1120548B1 (fr)	2005-07-27

Family

ID=7628666

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP00126373A Expired - Lifetime EP1120548B1 (fr)	2000-01-26	2000-12-02	Commande de soupape de moteur à combustion interne par actionneur électromagnétique muni de ressorts de rappel pneumatiques

Country Status (3)

Country	Link
EP (1)	EP1120548B1 (fr)
DE (2)	DE10003116A1 (fr)
ES (1)	ES2242574T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IL317663A (en) *	2022-06-13	2025-02-01	Nakanishi Jaeger Gmbh	Magnetic operating device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5611303A (en)	1995-01-11	1997-03-18	Toyota Jidosha Kabushiki Kaisha	Valve operating apparatus of internal combustion engine
DE19733186A1 (de)	1997-07-31	1999-02-04	Fev Motorentech Gmbh & Co Kg	Elektromagnetisch betätigbares Gaswechselventil für eine Kolbenbrennkraftmaschine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5022359A (en) *	1990-07-24	1991-06-11	North American Philips Corporation	Actuator with energy recovery return
DE19646938A1 (de) *	1996-11-13	1998-05-14	Bayerische Motoren Werke Ag	Elektromagnetische Betätigungsvorrichtung für ein Brennkraftmaschinen-Hubventil
DE19725218C2 (de) *	1997-06-15	2000-11-02	Daimler Chrysler Ag	Vorrichtung zur Betätigung eines Gaswechselventiles für eine Brennkraftmaschine
DE29804549U1 (de) *	1998-03-14	1998-07-02	FEV Motorentechnik GmbH & Co. KG, 52078 Aachen	Elektromagnetisch betätigbares Gaswechselventil für eine Kolbenbrennkraftmaschine mit pneumatischen Rückstellfedern
DE19829858A1 (de) *	1998-07-05	2000-01-13	Bayerische Motoren Werke Ag	Kombinierter elektromagnetischer/pneumatischer Aktuator zur Steuerung eines Hubventils, insbesondere Gaswechselventil einer Brennkraftmaschine

2000
- 2000-01-26 DE DE10003116A patent/DE10003116A1/de not_active Withdrawn
- 2000-12-02 DE DE50010827T patent/DE50010827D1/de not_active Expired - Fee Related
- 2000-12-02 ES ES00126373T patent/ES2242574T3/es not_active Expired - Lifetime
- 2000-12-02 EP EP00126373A patent/EP1120548B1/fr not_active Expired - Lifetime

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5611303A (en)	1995-01-11	1997-03-18	Toyota Jidosha Kabushiki Kaisha	Valve operating apparatus of internal combustion engine
DE19733186A1 (de)	1997-07-31	1999-02-04	Fev Motorentech Gmbh & Co Kg	Elektromagnetisch betätigbares Gaswechselventil für eine Kolbenbrennkraftmaschine

Also Published As

Publication number	Publication date
EP1120548A3 (fr)	2001-12-05
DE10003116A1 (de)	2001-08-02
ES2242574T3 (es)	2005-11-16
EP1120548B1 (fr)	2005-07-27
DE50010827D1 (de)	2005-09-01

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