EP0133445A2 - Agencement de soupape - Google Patents

Agencement de soupape Download PDF

Info

Publication number
EP0133445A2
EP0133445A2 EP19840103882 EP84103882A EP0133445A2 EP 0133445 A2 EP0133445 A2 EP 0133445A2 EP 19840103882 EP19840103882 EP 19840103882 EP 84103882 A EP84103882 A EP 84103882A EP 0133445 A2 EP0133445 A2 EP 0133445A2
Authority
EP
European Patent Office
Prior art keywords
closing member
chamber
valve arrangement
arrangement according
valve
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
EP19840103882
Other languages
German (de)
English (en)
Other versions
EP0133445B1 (fr
EP0133445A3 (en
Inventor
Stephan Wietschorke
Gerhard Ruschek
Andreas Sausner
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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO 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.)
Filing date
Publication date
Application filed by Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of EP0133445A2 publication Critical patent/EP0133445A2/fr
Publication of EP0133445A3 publication Critical patent/EP0133445A3/de
Application granted granted Critical
Publication of EP0133445B1 publication Critical patent/EP0133445B1/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M3/00—Idling devices for carburettors
    • F02M3/06—Increasing idling speed
    • F02M3/07—Increasing idling speed by positioning the throttle flap stop, or by changing the fuel flow cross-sectional area, by electrical, electromechanical or electropneumatic means, according to engine speed
    • F02M3/075—Increasing idling speed by positioning the throttle flap stop, or by changing the fuel flow cross-sectional area, by electrical, electromechanical or electropneumatic means, according to engine speed the valve altering the fuel conduit cross-section being a slidable valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/87523—Rotary valve
    • Y10T137/87531—Butterfly valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/87539—Having guide or restrictor

Definitions

  • the invention relates to a valve arrangement for regulating the idle speed of internal combustion engines by controlling the amount of air on the intake side of an intake line leading to the internal combustion engine, with an electromechanical actuator which has a solenoid by means of which a closing element can be moved in the opening direction against the force of a return spring via an adjusting element , wherein the closing member is acted upon in the opening direction by the pressure of the inlet side and the inlet side is connected to a chamber which has a movable wall which can be connected to the rear side of the closing member.
  • Such valve arrangements serve to keep the idling speed of the engine as low as possible, but at the same time to regulate it in such a way that with additional loads, such as idle speed does not decrease with auxiliary units until the engine stalls.
  • a linear current is applied to the solenoid, which among other things. is formed as a function of the actual speed and which causes such an adjustment of the closing element that the actual speed reaches a predetermined target speed largely independently of disturbance variables.
  • the actuator When the solenoid is de-energized, the actuator, and with it the closing element, is moved by the return spring either to the fully open or to the fully closed position. This is the case if no current is applied to the solenoid outside of the driving mode. This can also occur due to a defect in which the power supply to the solenoid is interrupted.
  • the object of the invention is therefore to provide a valve arrangement according to the preamble, which ensures the lowest possible idling speed with a simple structure in the event of failure of the lifting magnet, but always sufficiently high against the engine stopping.
  • the chamber can be connected to the suction side via a valve which can be closed during a control process.
  • a pressure equalization takes place in the chamber in accordance with the pressure on the inlet side during a control process, so that the degree of opening of the closing member is determined only by the actuating current of the lifting magnet and the spring force of the return spring counteracting it.
  • the chamber is connected to the suction side having a lower pressure than the inlet side. This leads to a cancellation of the pressure compensation on the closing element in the sense that the higher pressure on the inlet side counteracts the closing element against the force the return spring is moved so far in the opening direction until the forces acting on the closing member are balanced.
  • the cross section of this open position is so large that a sufficiently high idling speed is ensured that the engine will not die.
  • the valve is preferably a solenoid valve, it being particularly favorable if the solenoid valve can be energized by the actuating current of the lifting magnet. This automatically closes the solenoid valve when the solenoid is energized during a control process.
  • actuating element is a lifting rod connected to the movable core of the lifting magnet.
  • the inlet-side and chamber-side active surfaces: of the closing member are advantageously approximately the same size.
  • the movable wall can be formed by the closing member.
  • the movable wall is a membrane arranged between the closing member and the wall of the chamber.
  • Difficult to manufacture in the valve assembly housing Channels can be omitted if the connection of the inlet side to the chamber consists of a channel formed axially in the closing member.
  • a throttle valve 2 is rotatably arranged in an intake line 1 leading to an internal combustion engine (not shown).
  • the area in front of throttle valve 2 can be connected to the area behind throttle valve 2 via a bypass 3.
  • the passage of the by-pass 3 can be more or less blocked by a valve arrangement in that a closing member 4 can be moved towards a valve seat 5.
  • the closing member 4 is axially displaceable between a rest position and a working position and is connected to the lifting rod 6 which carries a core 9 of a lifting magnet 7 and which is loaded in the closing direction by a return spring 8. When energized, the lifting rod 6 is moved more or less against the force of the return spring 8 in the opening direction.
  • a chamber 10 On the side of the closing member 4 facing away from the valve seat 5, a chamber 10 is arranged, the wall of which facing the valve seat 5 is a movable wall designed as a membrane 11. This membrane 11 is connected with its central region to the closing member 4, so that the pressure prevailing in the chamber 10 also acts on the closing member 4.
  • the active side of the closing element 4 on the inlet side and the active surface of the membrane 11 are approximately the same size.
  • the inlet side of the closing element 4 is connected to the chamber 10 via channels 12 formed in the closing element 4.
  • the mouths of the channels 12 on the inlet side are protected by a mushroom-like cover 13 against direct axial inflow of air into the channels 12. As a result, these openings of the channels 12 are only radial. ' Direction open.
  • the chamber 10 is connected via a connection 14 to the suction side of the suction line 1, which connection 14 can be shut off by a solenoid valve 15.
  • the solenoid valve 15 is open when de-energized the actuating current for energizing the solenoid 7 is energized such that the solenoid valve 15 is basically closed when the solenoid 7 is energized.
  • the cross sections of the channels 12 are in such a size ratio to the cross section of the connection 14 that the force counteracting the inlet pressure causes the closing member 4 to open with a defined air flow rate.
  • the degree of opening thus changes in accordance with the respective inlet pressure.
  • the air flow remains constant.
  • the solenoid 7 When idling, the solenoid 7 is acted upon by a control current generated by a controller, so that the core 9 and with it the lifting rod 6 and the closing member 4 are moved away from the valve seat 5 counter to the force of the return spring 8.
  • the solenoid valve 15 Since the solenoid valve 15 is also energized and closes when the solenoid 7 is energized, the magnetic force of the solenoid 7 is also counteracted by the pressure building up in the chamber 10. This pressure corresponds to the inlet-side pressure on the closing member 4, .so that the closing member 4 can be moved independently of pressurization by the equally large opposite active surfaces of the closing member 4 and membrane 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Magnetically Actuated Valves (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
EP19840103882 1983-08-11 1984-04-07 Agencement de soupape Expired EP0133445B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3328950 1983-08-11
DE19833328950 DE3328950A1 (de) 1983-08-11 1983-08-11 Ventilanordnung

Publications (3)

Publication Number Publication Date
EP0133445A2 true EP0133445A2 (fr) 1985-02-27
EP0133445A3 EP0133445A3 (en) 1985-09-18
EP0133445B1 EP0133445B1 (fr) 1987-10-14

Family

ID=6206272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840103882 Expired EP0133445B1 (fr) 1983-08-11 1984-04-07 Agencement de soupape

Country Status (3)

Country Link
US (1) US4573441A (fr)
EP (1) EP0133445B1 (fr)
DE (2) DE3328950A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0229315A2 (fr) * 1985-12-10 1987-07-22 Hitachi, Ltd. Dispositif de commande de la vitesse de ralenti pour moteur de véhicule
EP0361846A2 (fr) * 1988-09-26 1990-04-04 Hitachi, Ltd. Soupape de commande de la vitesse de ralenti pour moteur et méthode pour améliorer son fonctionnement
US7778088B2 (en) 2006-12-19 2010-08-17 Spansion Llc Erasing flash memory using adaptive drain and/or gate bias

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4925155A (en) * 1988-07-14 1990-05-15 Crane Electronics, Inc. Control valve and method of controlling material flow through a conduit
US4873954A (en) * 1988-07-27 1989-10-17 Colt Industries Inc. Fail-safe idle bypass system
US4873955A (en) * 1988-09-19 1989-10-17 Colt Industries Inc. Idle air flow shutoff valve
JPH0389959U (fr) * 1989-12-29 1991-09-12
US5042448A (en) * 1990-01-10 1991-08-27 Siemens Automotive Limited Idle air bypass
US7967509B2 (en) 2007-06-15 2011-06-28 S.C. Johnson & Son, Inc. Pouch with a valve

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2066930A (en) * 1979-12-12 1981-07-15 Vdo Schindling Apparatus for controlling the idling speed of an internal combustion engine
DE3028898A1 (de) * 1980-07-30 1982-03-04 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur regelung der leerlaufdrehzahl einer brennkraftmaschine
GB2096239A (en) * 1981-04-07 1982-10-13 Bosch Gmbh Robert Regulation of i c engine idling speed by throttle bypass valve control
US4355606A (en) * 1978-10-02 1982-10-26 The Bendix Corporation Idle speed control valve
US4366835A (en) * 1980-02-29 1983-01-04 Aisin Seiki Kabushiki Kaisha Electromagnetic flow control valve
FR2510191A1 (fr) * 1981-07-25 1983-01-28 Bosch Pierburg System Ohg Installation pour regler la vitesse de rotation d'un moteur a combustion interne au ralenti

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH591038A5 (fr) * 1975-06-27 1977-08-31 Lucifer Sa
DE2611409A1 (de) * 1976-03-18 1977-10-06 Bosch Gmbh Robert Verfahren zur beeinflussung der zusammensetzung des einer brennkraftmaschine zugefuehrten betriebsgemisches
US4245813A (en) * 1978-08-09 1981-01-20 General Industries, Inc. Flush valve
JPS5618173A (en) * 1979-07-20 1981-02-20 Paloma Ind Ltd Solenoid valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4355606A (en) * 1978-10-02 1982-10-26 The Bendix Corporation Idle speed control valve
GB2066930A (en) * 1979-12-12 1981-07-15 Vdo Schindling Apparatus for controlling the idling speed of an internal combustion engine
US4366835A (en) * 1980-02-29 1983-01-04 Aisin Seiki Kabushiki Kaisha Electromagnetic flow control valve
DE3028898A1 (de) * 1980-07-30 1982-03-04 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur regelung der leerlaufdrehzahl einer brennkraftmaschine
GB2096239A (en) * 1981-04-07 1982-10-13 Bosch Gmbh Robert Regulation of i c engine idling speed by throttle bypass valve control
FR2510191A1 (fr) * 1981-07-25 1983-01-28 Bosch Pierburg System Ohg Installation pour regler la vitesse de rotation d'un moteur a combustion interne au ralenti

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0229315A2 (fr) * 1985-12-10 1987-07-22 Hitachi, Ltd. Dispositif de commande de la vitesse de ralenti pour moteur de véhicule
EP0229315A3 (en) * 1985-12-10 1988-10-05 Hitachi, Ltd. Automotive engine idle speed control device
US4823750A (en) * 1985-12-10 1989-04-25 Hitachi, Ltd. Automotive engine idle speed control device
EP0361846A2 (fr) * 1988-09-26 1990-04-04 Hitachi, Ltd. Soupape de commande de la vitesse de ralenti pour moteur et méthode pour améliorer son fonctionnement
EP0361846A3 (fr) * 1988-09-26 1990-06-13 Hitachi, Ltd. Soupape de commande de la vitesse de ralenti pour moteur et méthode pour améliorer son fonctionnement
US7778088B2 (en) 2006-12-19 2010-08-17 Spansion Llc Erasing flash memory using adaptive drain and/or gate bias

Also Published As

Publication number Publication date
EP0133445B1 (fr) 1987-10-14
EP0133445A3 (en) 1985-09-18
US4573441A (en) 1986-03-04
DE3466793D1 (en) 1987-11-19
DE3328950A1 (de) 1985-02-28

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