EP3401533B1 - Soupape comprenant un clapet d'étranglement disposé dans un connecteur de clapet d'étranglement - Google Patents

Soupape comprenant un clapet d'étranglement disposé dans un connecteur de clapet d'étranglement Download PDF

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Publication number
EP3401533B1
EP3401533B1 EP17465520.9A EP17465520A EP3401533B1 EP 3401533 B1 EP3401533 B1 EP 3401533B1 EP 17465520 A EP17465520 A EP 17465520A EP 3401533 B1 EP3401533 B1 EP 3401533B1
Authority
EP
European Patent Office
Prior art keywords
throttle flap
valve
connector
throttle
magnet device
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.)
Active
Application number
EP17465520.9A
Other languages
German (de)
English (en)
Other versions
EP3401533A1 (fr
Inventor
Vlad Aronet
Eusebio-Marius Albert
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.)
Vitesco Technologies GmbH
Original Assignee
Vitesco Technologies GmbH
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 Vitesco Technologies GmbH filed Critical Vitesco Technologies GmbH
Priority to EP17465520.9A priority Critical patent/EP3401533B1/fr
Priority to PCT/EP2018/062012 priority patent/WO2018206650A1/fr
Publication of EP3401533A1 publication Critical patent/EP3401533A1/fr
Application granted granted Critical
Publication of EP3401533B1 publication Critical patent/EP3401533B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/04—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by mechanical control linkages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F02D2011/101—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles

Definitions

  • the invention relates to a valve for regulating a flow cross section in a throttle flap connector, having a throttle flap which is mounted in the throttle flap connector so as to be rotatable about an axis of rotation, wherein the throttle flap is rotatable about the axis of rotation, by means of an actuator which acts on the throttle flap, counter to a force generated by a mechanical spring.
  • Throttle flaps are used for example in the intake tract of internal combustion engines for the purposes of regulating the air quantity to be supplied to the combustion chamber. Through the use of a throttle flap, it is possible in particular for the supplied air quantity to be adapted to the supplied fuel quantity, and/or for an air-fuel mixture suitable for the respective load state of the internal combustion engine to be generated.
  • Throttle flaps in throttle flap connectors are known.
  • DE 195 12 729 A1 describes a throttle flap connector with a tubular housing in which a throttle flap is fastened to a throttle flap shaft which, at its free ends led through recesses in the housing wall, is mounted so as to be rotatable transversely with respect to the longitudinal axis of the tubular housing.
  • Another example of a similar throttle flap is shown in US-6779775 .
  • Throttle flaps can be rotated in the throttle flap connector by means of an actuator, such as for example an electric motor. As a result of the rotation of the throttle flap relative to the throttle flap connector, the flow cross section of the throttle flap connector can be increased and decreased in size.
  • throttle flaps are designed so as to be held open by a mechanical spring when not acted on by the actuator.
  • the actuator is used to close the throttle flap, through the application of a force, counter to the spring force acting on said throttle flap.
  • a disadvantage of devices in the prior art is in particular that the closed position of the throttle flap can be maintained only if the actuator remains energized and thus exerts on the throttle flap a force which counteracts the force imparted by the mechanical spring.
  • the problem addressed by the present invention is that of creating a valve having a throttle flap connector and having a throttle flap arranged in said throttle flap connector, which throttle flap can be held in a defined state even in the presence of a reduced action of the actuator or in the absence of action of the actuator.
  • An exemplary embodiment of the invention relates to a valve for regulating a flow cross section in a throttle flap connector, having a throttle flap which is mounted in the throttle flap connector so as to be rotatable about an axis of rotation, wherein the throttle flap is rotatable about the axis of rotation, by means of an actuator which acts on the throttle flap, counter to a force generated by a mechanical spring, wherein the throttle flap, in at least a first position, is fixable in said first position by means of a magnet device.
  • the magnet device comprises a permanent magnet which is arranged in positionally fixed fashion in a cutout in a housing of the throttle flap connector and a magnetic counterpart which is arranged on the rotatable throttle flap.
  • the valve is formed by a tubular throttle flap connector in which a throttle flap is rotatably mounted.
  • a throttle flap is rotatably mounted.
  • the cross section, through which flow can pass, of the throttle flap connector can be increased or decreased in size.
  • the configuration of the magnet device further leads to a particularly lightweight throttle flap with a low moment of inertia. In the two maximum positions, the throttle flap completely respectively closes the flow cross section of the throttle flap connector or opens up the flow cross section of the throttle flap connector by being rotated so as to be oriented parallel to the main throughflow direction.
  • the throttle flap is acted on by a mechanical spring with a force which rotates the throttle flap either toward the open position or toward the closed position.
  • an actuator for example an electric motor, is provided, which exerts on the throttle flap a force directed counter to the mechanical spring.
  • the throttle flap can be either opened or closed by means of the mechanical spring, wherein the actuator acts in each case in the opposite direction.
  • a magnet device is provided.
  • Said first position is particularly preferably characterized by the fully closed position of the throttle flap or by the fully open position.
  • the throttle flap is rotatable between two maximum positions, wherein, in the first maximum position, the throttle flap closes the flow cross section of the throttle flap connector, and in the second maximum position, the throttle flap opens up the flow cross section of the throttle flap connector.
  • the throttle flap in the first position in which it is fixable by means of the magnet device, completely closes the flow cross section of the throttle flap connector.
  • the throttle flap is constructed such that the mechanical spring opens the throttle flap and the actuator closes the throttle flap.
  • the throttle flap can be fixed in the closed position even when the actuator exerts no force, or only a reduced force, on the throttle flap.
  • the throttle flap is fixed by the magnet device in a position which leaves free at least a minimal flow cross section of the throttle flap connector. In this way, it can be ensured that a certain minimum volume can flow through the valve at all times, and thus the downstream internal combustion engine can at all times be operated at least in an emergency running mode.
  • a preferred exemplary embodiment is characterized in that the magnet device is formed by an electromagnet which can be activated and deactivated by means of a switching device.
  • An electromagnet is advantageous because the magnetic field action can be generated in targeted fashion by means of the energization or deenergization. Furthermore, through regulation of the current intensity, it is also possible for the magnetic force generated by the electromagnet to be varied.
  • the magnet device is formed by a permanent magnet.
  • Permanent magnets are advantageous because they are inexpensive and generate a constantly definable magnetic field even without external action and energy consumption.
  • the magnet device acts on an adjustment element on the throttle flap, wherein the adjustment element is formed, at least in a partial region, from a magnetic metal.
  • the permanent magnets it is also possible for permanent magnets to be arranged both on the throttle flap connector and on the throttle flap, in order to yet further intensify the magnetic field action.
  • the permanent magnets are preferably arranged so as to attract one another.
  • the magnetic force generated by the magnet device for holding the throttle flap in the first position is at least equal to or greater than the force generated by the mechanical spring. This applies in particular if the magnet device exerts a force which is directed counter to the force of the mechanical spring.
  • the magnetic force generated by the magnet device is directed counter to the force generated by the mechanical spring.
  • the magnet device can be utilized for fixing the throttle flap in a predefinable position despite the action of the mechanical spring on the throttle flap.
  • the magnetic device may also form a physical stop for the throttle flap, with which stop the throttle flap, or an adjustment means connected thereto, comes into contact when the throttle flap is rotated into the predefined position.
  • the magnetic force assists the fixing and in particular prevents a rotation away from the stop in the opposite direction.
  • the fixing of the throttle flap in the predefined position may also be realized entirely by means of the magnetic force, without the throttle flap and the throttle flap connector coming into physical contact with one another.
  • Figure 1 shows a sectional view of the valve 1.
  • a part of the housing 2 of the throttle flap connector in which the throttle flap is rotatably mounted is illustrated.
  • the throttle flap is connected to a toothed ring section 3.
  • a toothed wheel of the actuator can engage into the teeth of the toothed ring section 3 and thus transmit the rotational movement of the actuator to the throttle flap.
  • a mechanical spring 4 is indicated which is supported with respect to the housing 2 and which acts on the throttle flap.
  • the housing 2 has a magnet device 5, which in the exemplary embodiment of figure 1 is formed by a permanent magnet 6, and a magnetic counterpart 7.
  • the permanent magnet 6 is inserted into a cutout 8 in the housing 2.
  • the toothed ring section 3 has a magnetic counterpart 7 to which the magnetic forces of the permanent magnet 6 are transmitted.
  • the mechanical spring 3 and/or the actuator may act in the same direction as the permanent magnet 6. It is possible for different valves to be realized in a manner dependent on this construction.
  • figure 1 is in particular not of a restrictive nature, and serves for illustrating the concept of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Claims (8)

  1. Soupape (1) pour réguler une section transversale d'écoulement dans un connecteur de clapet d'étranglement, présentant un clapet d'étranglement qui est monté dans le connecteur de clapet d'étranglement de manière à pouvoir tourner autour d'un axe de rotation, le clapet d'étranglement pouvant tourner autour de l'axe de rotation au moyen d'un actionneur qui agit sur le clapet d'étranglement à l'encontre d'une force générée par un ressort mécanique (6), le clapet d'étranglement, au moins dans une première position, pouvant être fixé dans ladite première position au moyen d'un dispositif magnétique (5), et le dispositif magnétique (5) comprenant un aimant permanent (6), qui est disposé de manière fixée en position dans une découpe (8) dans un boîtier (2) du connecteur de clapet d'étranglement, et une partie conjuguée magnétique (7) qui est disposée sur le clapet d'étranglement rotatif.
  2. Soupape (1) selon la revendication 1, dans laquelle le clapet d'étranglement peut tourner entre deux positions maximales, le clapet d'étranglement, dans la première position maximale, fermant la section transversale d'écoulement du connecteur de clapet d'étranglement, et le clapet d'étranglement, dans la deuxième position maximale, ouvrant la section transversale d'écoulement du connecteur de clapet d'étranglement.
  3. Soupape (1) selon l'une des revendications précédentes, dans laquelle le clapet d'étranglement, dans la première position dans laquelle il peut être fixé au moyen du dispositif magnétique (5), ferme complètement la section transversale d'écoulement du connecteur de clapet d'étranglement.
  4. Soupape (1) selon l'une des revendications précédentes, dans laquelle le dispositif magnétique est formé par un électroaimant qui peut être activé et désactivé au moyen d'un dispositif de commutation.
  5. Soupape (1) selon l'une des revendications précédentes, dans laquelle le dispositif magnétique (5) est formé par un aimant permanent (6).
  6. Soupape (1) selon l'une des revendications précédentes, dans laquelle le dispositif magnétique (5) agit sur un élément d'ajustement (3) sur le clapet d'étranglement, l'élément d'ajustement (3) étant formé au moins dans une région partielle à partir d'un métal magnétique (7).
  7. Soupape (1) selon l'une des revendications précédentes, dans laquelle la force magnétique générée par le dispositif magnétique (5) pour retenir le clapet d'étranglement dans la première position est au moins égale ou supérieure à la force générée par le ressort mécanique (4).
  8. Soupape (1) selon l'une des revendications précédentes, dans laquelle la force magnétique générée par le dispositif magnétique (5) est orientée à l'encontre de la force générée par le ressort mécanique (4).
EP17465520.9A 2017-05-10 2017-05-10 Soupape comprenant un clapet d'étranglement disposé dans un connecteur de clapet d'étranglement Active EP3401533B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17465520.9A EP3401533B1 (fr) 2017-05-10 2017-05-10 Soupape comprenant un clapet d'étranglement disposé dans un connecteur de clapet d'étranglement
PCT/EP2018/062012 WO2018206650A1 (fr) 2017-05-10 2018-05-09 Vanne dotée de volet d'étranglement agencé dans un raccord de volet d'étranglement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17465520.9A EP3401533B1 (fr) 2017-05-10 2017-05-10 Soupape comprenant un clapet d'étranglement disposé dans un connecteur de clapet d'étranglement

Publications (2)

Publication Number Publication Date
EP3401533A1 EP3401533A1 (fr) 2018-11-14
EP3401533B1 true EP3401533B1 (fr) 2020-07-08

Family

ID=58779054

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17465520.9A Active EP3401533B1 (fr) 2017-05-10 2017-05-10 Soupape comprenant un clapet d'étranglement disposé dans un connecteur de clapet d'étranglement

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Country Link
EP (1) EP3401533B1 (fr)
WO (1) WO2018206650A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3633248A1 (fr) * 2018-10-02 2020-04-08 Continental Automotive GmbH Soupape de commande de gaz d'échappement ou d'air frais dans une unité d'entraînement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2057053A (en) * 1979-07-06 1981-03-25 Heinrich D Motor vehicle speed control holding devices
DE19512729A1 (de) 1995-04-05 1996-10-10 Vdo Schindling Drosselklappenstutzen
DE10143835A1 (de) * 2001-09-07 2003-03-27 Pierburg Gmbh Ventilverstelleinrichtung
DE10235049A1 (de) * 2002-07-31 2004-02-19 Ab Elektronik Gmbh Luftklappensystem mit Magnetstellfeder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2018206650A1 (fr) 2018-11-15
EP3401533A1 (fr) 2018-11-14

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