WO2015067407A1 - Système de soupapes - Google Patents

Système de soupapes Download PDF

Info

Publication number
WO2015067407A1
WO2015067407A1 PCT/EP2014/070624 EP2014070624W WO2015067407A1 WO 2015067407 A1 WO2015067407 A1 WO 2015067407A1 EP 2014070624 W EP2014070624 W EP 2014070624W WO 2015067407 A1 WO2015067407 A1 WO 2015067407A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
closing body
valve device
closing
main
Prior art date
Application number
PCT/EP2014/070624
Other languages
German (de)
English (en)
Inventor
Guenther Kubalik
Udo Riegler
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2015067407A1 publication Critical patent/WO2015067407A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves

Definitions

  • the invention relates to a valve device having a main valve and a pilot valve, which comprises a closing device, which by a
  • Actuator can be actuated with an armature to connect two pressure ports of the valve device via a main through hole with each other, which can be closed by the locking device.
  • the valve device is, for example, a main flow valve in a hydraulic hybrid drive train of a motor vehicle.
  • at least one hydraulic machine which is also referred to as hydrostat, is connected to the first pressure port of the valve device.
  • the hydraulic machine can be connected directly or via further hydraulic components not mentioned here, in a special case also via a further comparable valve device, to the first pressure connection of the valve device.
  • a hydraulic pressure accumulator is connected to the second pressure port of the valve device.
  • the hydraulic pressure accumulator can be connected directly or via further hydraulic components not mentioned here to the second pressure port of the valve device.
  • the pressure in the hydraulic pressure accumulator that is to say at the second pressure port, is greater than at an output of the hydraulic machine, that is to say the first pressure port, but the reverse case is likewise possible, in accordance with the selected operating strategy of the hydraulic hybrid driveline.
  • the main valve is opened via the pilot valve, wherein a sealing element is moved from its closed position into an open position. If the magnet device is not energized, then the sealing element, for example, by a closing spring, biased in its closed position. The reverse case is also possible.
  • the object of the invention is to provide a valve device according to the preamble of claim 1, which is simple in construction and inexpensive to produce.
  • the valve device according to the preamble of claim 1 should operate as quietly as possible. This is to be realized in particular by the fact that switching noise during operation of the
  • Valve device can be reduced to a minimum.
  • the object is in a valve device with a main valve and a pilot valve, which includes a closing device, which by a
  • Aktor beautifully with an anchor is actuated to two pressure ports of the
  • Valve device to connect to each other via a main through hole, which is closed by the closing device, achieved in that the closing device comprises a first closing body, which is displaced by the actuator independently of a second closing body limited to release a first opening cross-section of the pilot valve.
  • Actuator is preferably a magnetic device with a magnet through which a tensile force is applied to the armature to actuate this.
  • the armature is biased, for example by an armature spring, preferably in a so-called closed position, in which the pilot valve is closed.
  • the main through-hole is preferably a drain of a control chamber, which is acted upon via an inlet with the pressure prevailing at one of the two pressure ports.
  • the main through-hole is designed as a bore to provide a restricted connection between the corresponding pressure port and the control chamber. Therefore, the main through hole is also called a throttle hole.
  • the main through-hole of the valve device according to the invention advantageously has a significantly larger diameter than conventional through-holes, which represent a sequence of the control chamber.
  • the valve device according to the invention is preferably a main-flow valve, which is used, for example, in a hydraulic hybrid drive train.
  • the second pressure port is normally higher Pressure as at the first pressure port.
  • Pressure port arranged control chamber is caused to open the main valve, so that pressurized fluid flows from the second pressure port to the first pressure port.
  • the invention particularly relates to valve devices in which a valve piston of the main valve is coupled to the closing bodies of the pilot valve in accordance with a so-called follower piston principle.
  • the invention is, depending on the embodiment, also applicable in connection with valve devices that are not constructed according to the follower piston principle.
  • the armature is decoupled from the second closing body of the pilot valve as part of a limited armature travel. The limited movement of the anchor within the
  • Ankerkewegs without the second closing body can be effected by a relatively small magnetic force of the magnetic device. After overcoming the armature free travel, a larger magnetic force can be provided by the magnetic device, which allows a safe and fast complete opening of the two closing bodies of the pilot valve.
  • a preferred embodiment of the valve device is characterized in that the second closing body is limitedly displaceable by the actuator device together with the first closing body to release a second opening cross section of the pilot valve.
  • the second opening cross-section is advantageously significantly larger than the first opening cross-section.
  • the main valve can advantageously be opened very quickly.
  • a further preferred embodiment of the valve device is characterized in that the two closing bodies each represent a conical sealing seat.
  • the two conical sealing seats represent a double cone. The use of the conical sealing seats has proved to be particularly advantageous in investigations carried out in the context of the present invention. Due to the conical sealing seats can advantageously a high sealing effect at relatively low
  • valve device Another preferred embodiment of the valve device is characterized in that the two closing bodies are designed axially symmetrical.
  • the valve device advantageously has a central longitudinal axis which coincides with a longitudinal axis of the main through-hole and with axes of symmetry of the two closing bodies.
  • a further preferred embodiment of the valve device is characterized in that the two closing bodies are movable in the axial direction relative to each other. The movement of the closing body is through the
  • Actuator applied over the anchor means in the direction or parallel to the longitudinal axis of the valve device.
  • a further preferred embodiment of the valve device is characterized in that the first closing body is formed on an anchor part which is fixedly connected to the armature. This ensures that the first closing body with the anchor part performs the same movements as the anchor.
  • a further preferred embodiment of the valve device is characterized in that the second closing body is provided on a driver device which is displaceable relative to the anchor part limited. This relative movement between the armature part and the second closing body serves to represent the armature free travel, via which the first closing body is limitedly displaceable by the actuator device alone.
  • a further preferred embodiment of the valve device is characterized in that a spring device is arranged between the anchor part and the driver device.
  • a spring device is arranged between the anchor part and the driver device.
  • Mitscharmen is executed, which embrace the first closing body.
  • Klipsvoriques the assembly of the valve according to the invention considerably simplified.
  • the free spaces between the driving arms in a simple manner allow the passage of pressurized medium.
  • the functionality of the valve device according to the invention is further improved.
  • a further preferred embodiment of the valve device is characterized in that driving claws are angled from free ends of the driver arms, the driving claws advantageously engage in corresponding recesses on the armature or an additional component.
  • the driving claws and the recesses are designed and matched to one another such that, when the armature is actuated by the actuator device, the driver device initially makes no movement in order to represent the armature free travel. Only after overcoming the anchor travel is a movement of the driver together with the anchor.
  • the spring device is advantageously arranged in an annular space between the anchor part and the driving arms of the driving device.
  • a further preferred embodiment of the valve device is characterized in that the second closing body comprises a pilot through hole which can be closed by the first closing body.
  • the pilot through hole is designed as a bore, for example.
  • a further preferred exemplary embodiment of the valve device is characterized in that the pilot through-hole has a diameter step.
  • the diameter step is arranged, for example, between two bore sections of different diameters. Due to the stepped design of the pilot through-hole, a cavitation threshold pressure can be raised to as high a value as possible.
  • the diameter of the step is advantageously about twice the diameter of the pilot through-hole.
  • the step is arranged in the axial direction approximately in the middle of the pilot through-hole. That is, the two bore portions have approximately the same extent in the axial direction.
  • the pilot through hole has a radiused inlet edge. As a result, a flow coefficient of the pilot through-hole can be increased.
  • a further preferred embodiment of the valve device is characterized in that the pilot through hole is arranged in the center of a funnel-shaped depression. As a result, a cavitation tendency in the region of the pilot through-hole can be further reduced.
  • a further preferred embodiment of the valve device is characterized in that the first closing body has a driving pin which extends through the second closing body and at the free end of a driver plate is arranged.
  • the driver plate is designed and arranged so that it releases the first opening cross-section after overcoming the anchor travel path.
  • recesses, recesses and / or through holes may be provided on the carrier plate and / or on the first closing body, which has a drain of pressure
  • a further preferred embodiment of the valve device is characterized in that the second closing body has a centering and / or guide element, which is guided in the main through hole.
  • the centering and / or guide element is designed and arranged so advantageous that the centering and / or guide element does not emerge from the main through hole during operation of the valve device. This can be prevented in a simple manner an undesirable desalination of the second closing body during operation of the valve device.
  • a further preferred embodiment of the valve device is characterized in that flattenings and / or recesses are provided on the centering and / or guide element, which allow a passage of medium through the main through hole on the centering and / or guide element over when the second closing body fully or partially open is.
  • the flats and / or recesses are advantageously distributed uniformly over a circumference of the centering and / or guide element.
  • Main valve is arranged.
  • the valve piston is advantageous, at least partially, designed as a sleeve which limits the control chamber.
  • at least one of the two closing bodies preferably both closing bodies, can be accommodated, at least partially, in the valve piston of the main valve.
  • This embodiment relates to the so-called follower piston principle.
  • a further preferred embodiment of the valve device is characterized in that the valve device is designed as a main flow valve for a hydraulic hybrid drive train.
  • the hydraulic hybrid powertrain includes at least one hydraulic machine, also referred to as hydrostat.
  • the hydraulic hybrid drivetrain comprises two hydraulic machines, which are also referred to as hydrostatic drives.
  • a hydraulic pressure accumulator is connected to an output of the hydraulic machine or the hydraulic machines.
  • the invention also relates to a hydraulic hybrid powertrain having a previously described valve means.
  • the invention further optionally also relates to a method for operating a previously described valve device as a main flow valve in a hydraulic hybrid drive train.
  • the invention further relates to a pilot valve, a main valve, a closing body, an armature, an anchor part, a driver device and / or a valve piston for a previously described valve device.
  • the parts mentioned may be traded separately.
  • FIG. 1 shows a hydraulic circuit diagram of a valve device with a main valve and a pilot valve
  • FIG. 2 shows an embodiment of a valve device with a main valve and a pilot valve according to the follower piston principle in the longitudinal section;
  • Figure 3 shows an enlarged detail of Figure 2 with a
  • Figure 4 is a similar view as in Figure 3 with a centering and / or
  • FIG. 5 shows the entrainment device with the centering and / or guide element from FIG. 4 in an open position
  • FIG. 6 shows an enlarged detail from FIG. 2 according to a further exemplary embodiment in a closed position
  • FIG. 7 shows the valve device from FIG. 6 in an open position of the pilot control valve
  • FIG. 8 is a similar view we in Figure 6 according to another embodiment;
  • FIG. 9 shows the valve device from FIG. 8 with the pilot valve open;
  • FIG. 10 a driver device of the valve device from FIGS. 8 and 9 alone in longitudinal section;
  • Figure 1 1 a similar entrainment device as in Figure 10 according to another embodiment in longitudinal section;
  • Figure 12 is a perspective sectional view of the driver device of Figure 1 1 and
  • Figure 13 is a similar view as in Figure 3 with a stepped pilot through hole.
  • valve device 1; 21; 71; 101 shown in different views.
  • the valve device 1; 21; 71; 101 comprises a main valve 2; 22, which also functions as a check valve, depending on the design, and a pilot valve 3; 23rd
  • the main valve 2 comprises, as seen in Figure 1, in a housing 4; 105 in the axial direction movable back and forth guided sealing element 6.
  • the term axially refers to a longitudinal axis 7 of the valve device. 1 Axial means in the direction or parallel to the longitudinal axis 7.
  • the sealing element 6 is biased by a closing spring 8 in its closed position shown in Figure 1.
  • the sealing element 6 interrupts a hydraulic connection between a first pressure port 11 and a second pressure port 12.
  • the first pressure port 11 of the valve device 1 is connected to the pilot valve 3 via a first throttle connection 15.
  • the pilot valve 3 is connected between the first throttle connection 15 and a control chamber 10 of the valve device 1.
  • the second pressure port 12 of the valve device 1 is connected to the control chamber 10 via a second throttle connection 16.
  • the valve device 1 with the two ports 1 1 and 12 is designed as a main flow valve in a hydraulic hybrid drive train (not shown).
  • the hydraulic hybrid powertrain includes an internal combustion engine drive and a hydraulic drive.
  • the internal combustion engine drive is designed, for example, as an internal combustion engine and is also referred to as an internal combustion engine.
  • the hydraulic drive comprises, for example, two hydraulic machines, which are also referred to as hydrostats.
  • the two hydrostats or hydraulic machines can advantageously be operated both as a hydraulic pump and as a hydraulic motor.
  • the two hydraulic machines can be designed, for example, as hydraulic axial piston machines.
  • the two hydraulic machines can be hydraulically connected or connected to one another via a hydraulic system.
  • the hydraulic system comprises at least one main flow valve, which through the valve device 1; 21; 71; 101 is shown.
  • the main flow valve 1; 21; 71; 101 is in the hydraulic hybrid powertrain between an output of one of the hydraulic machines and a hydraulic one
  • a main flow valve is connected between the outputs of the hydraulic machines and the hydraulic pressure accumulator.
  • the output of the hydraulic machines or of the hydrostat is connected to the first pressure port 1 1 of the valve device 1; 21; 71; 101 connected.
  • the pressure prevailing in the hydraulic accumulator is greater than the pressure at the outlet of the hydrostat, which is also referred to as a hydraulic machine.
  • the hydraulic pressure accumulator is connected to the inlet or outlet of the valve device 1; 21; 71; 101 connected hydraulic machine, and vice versa.
  • the valve device is open to the valve device 1; 21; 71; 101 connected hydraulic machine from the pressure feed rather hydraulically driven.
  • the pressure accumulator with open valve device 1; 21; 71; 101 hydraulically through to the valve device 1; 21; 71; 101 connected hydraulic machine to be charged.
  • the main valve 2; 22 is also referred to as the main flow valve.
  • the pilot valve 3; 23 is also called pilot valve.
  • the main valve 2 with the main piston or sealing element 6 can switch large volume flows virtually loss-free with a large main valve lift.
  • the pressure at the second pressure connection 12 which also prevails in the control chamber 10 via the second throttle connection 16, is greater than the pressure at the first pressure connection 11.
  • the pilot valve 3 the pressure in the control chamber 10 can be lowered to a pressure level which is between the pressure at the second pressure port 12 and the pressure at the first pressure port 1 1.
  • the balance of forces acting on the sealing element 6 hydraulic forces is designed so that the main valve 2 generates an opening force on the sealing element 6 by lowering the pressure in the control chamber 10 by the pilot valve 3.
  • valve device 21 shows a valve device 21 with a main valve 22 and a pilot valve 23 according to the follower piston principle shown in longitudinal section.
  • the valve device 21 comprises a valve housing 25 with a first pressure port 11 and a second pressure port 12, as in the valve device 1 shown in FIG.
  • the valve housing 25 comprises at least one housing body 26.
  • the main valve 22 comprises a valve piston 30 which at its lower end 31 a
  • valve seat 32 Has sealing surface which abuts sealingly to depict a valve seat 32 at a sealing edge of the housing body 26.
  • the valve seat 32 is closed.
  • Housing body 26 lifts, the valve seat 32 is opened.
  • the valve seat 32 (not shown), a direct connection between the two pressure ports 1 1 and 12 is released. This connection is interrupted when the valve seat 32 is closed.
  • the valve piston 30 is for displaying the opening movement and the closing movement in the axial direction, that is, in Figure 2 up and down, movable.
  • the term axial refers to a longitudinal axis 33 of the valve device 21.
  • the valve piston 30 has a through hole 34 extending in the radial direction, that is to say transversely to the longitudinal axis 33, which connects the second pressure port 12 to a control chamber 35 in the interior of the valve piston 30.
  • the through hole 34 represents a throttled control chamber inlet opening and is therefore also referred to as inlet throttle.
  • a main through hole 37 extends in the axial direction through the valve piston 30 and constitutes a throttled control chamber drain opening. Therefore, the main through hole 37 is also referred to as a drain throttle.
  • the main through hole 37 serves to represent a valve seat of the pilot valve 23.
  • the main through hole 37 is closed by a check valve body, preferably in the form of a check ball, 41 in Figure 2 from below. Movement of the check valve body 41 downwards in FIG. 2 is limited by a sleeve 42. At the top, the through-hole 37 in FIG. 2 is closed by a closing device 44.
  • the closing device 44 comprises a first closing body 45 and a second closing body 46.
  • the first closing body 45 is characterized by a
  • Actuator (not shown), which is designed for example as a magnetic device, independently of the second closing body 46 in the axial direction limited displaceable.
  • the actuator device or magnetic device acts on an armature 48, which is movable in the valve housing 25 in the axial direction upwards.
  • the armature spring 49 is compressed when pulling or moving up the armature 48.
  • the Carrier 52 arranged.
  • the entrainment device 52 comprises the second closure body 46 and is provided with a pilot through-hole 55.
  • the pilot through-hole 55 serves to represent a first valve seat 56, which is closed by the first closing body 45 in the closed state, which is shown in FIG.
  • the second closing body 46 closes in its closed position, which is shown in Figure 2, the main through hole 37 in the valve piston 30 of the main valve 22nd
  • the armature 48 Upon actuation of the pilot valve 23 by the actuator device, the armature 48 is first pulled together with the anchor member 50 with a relatively small magnetic force upwards. In this case, the first closing body 45 lifts off from the first valve seat 56, so that a first opening cross section of the pilot control valve 23 is released.
  • the second closing body 46 lifts, together with the first closing body 45, from the second valve seat 57 via the driving device 52, so that the main through-hole 37, which has a second opening cross-section of the pilot valve 23 is released. Due to the associated pressure drop in the control chamber 35, the valve body 30 of the main valve 22 opens.
  • FIG. 3 shows a detail from FIG. 2 with the driver device 52 without the remaining parts, in particular without the first closing body 45 and without the spring device 54. In this representation one sees that of the
  • the driving arms 60 constitute a type of cage which serves to receive the first closing body and the spring device (see FIG. 2). At the free ends of the driving arms 60 driving dogs 61 are angled.
  • Driving claws 61 extend radially inwardly.
  • FIGS. 4 and 5 show a similar carrier device 52 as in FIG. 3 in a closed position (FIG. 4) and in an open position (FIG. 5).
  • a central centering and / or guide member 64 of the second closure member 46 down.
  • the centering and / or guide member 64 is disposed in the main through hole 37 of the valve piston 30 and serves to the
  • Carrier 52 to lead and / or center.
  • the centering and / or guide element 64 at least partially, in the main through hole 37 not only in the closed position shown in Figure 4, but also in the open position shown in Figure 5 - is in order.
  • undesired tilting of the driver 52 is prevented in a simple manner.
  • recesses 65 are provided on the centering and / or guiding element 64.
  • a detail 68 shows that the centering and / or guide element 64 has a total of three recesses 65 which are distributed uniformly over a circumference of the centering and / or guide element 64.
  • the valve device 71 shown in Figures 6 and 7 comprises a
  • Locking device 74 with a first closing body 75 and a second closing body 76.
  • the closing device 74 can be actuated via an armature 78 by an actuator device (not shown), in particular a magnetic device.
  • the armature 78 is fixedly connected to an armature part 80, at the lower end in the figures 6 and 7, the first closing body 75 is formed.
  • the second closing body 76 is formed on a driver 82.
  • a spring device 84 is between the driver 82 and the first
  • Locking body 75 in particular a circumferential shoulder of the anchor member 80, clamped.
  • a seat diameter of a first valve seat is indicated, which is formed as a conical seat between the first closing body 75 and the second closing body 76.
  • valve piston 104 is a seat diameter of a second valve seat between the second Closing body 76 and the main through hole 37 of the valve piston 30 indicated.
  • the spring device 84 is also referred to as a driver spring.
  • the spring stiffness of the spring device 84 is matched with the available magnetic force of the magnetic device.
  • the closing device 74 is closed with the two closing bodies 75 and 76. In this case, both the first valve seat 103 between the
  • Driver means 82 and the anchor member 80 and the second valve seat 104 between the valve piston 30 and the driver device 82 is closed.
  • FIG. 7 shows a first opening stage of the pilot valve.
  • the anchor member 80 with the first closing body 75 is by pressing the
  • Actuator via the armature 78 to the armature free path 105 moves upward.
  • the entrainment device 82 occupies the same position as in FIG.
  • the spring device 84 is compressed.
  • a first opening cross-section of the pilot valve is released, as indicated by arrows 106 and 107 in FIG.
  • the first opening cross section is determined on the one hand by the stroke-dependent seat cross section of the first valve seat 103 and on the other hand by a ring cross section between the first closing body 75 and a central through hole in the second closing body 76.
  • the second opening cross-section 76 is released by the entrainment of the driver device 82 by the second closing body 76.
  • the pressure drop in the control chamber 35 can be greatly accelerated. Due to the larger magnetic force of the armature 78 and the driver 82 are accelerated in their upward movement and allow the opening of the valve piston 30 of the main valve.
  • FIGS. 8 and 9 a similar valve device 101 as in FIGS. 6 and 7 is shown in longitudinal section in a closed position and in an open position.
  • the valve device 101 comprises a closing device 74 with a first closing body 85 and with a second closing body 86.
  • the first closing body 85 is formed on a lower end in FIGS. 8 and 9 of an armature part 90, which is fixedly connected to an armature 88.
  • a driver 92 is used to represent the second closing body 86.
  • a seat diameter of a first valve seat between the first closing body 85 and the second closing body 86 is indicated.
  • a seat diameter of a second valve tilsitzes between the main through hole 37 of the valve piston 30 and the second closing body 86 is indicated.
  • a driver pin 95 extends from the first closing body 85 and extends through the second closing body 86. At the free end of the driving pin 95, a driver plate 96 is attached. A spring device 94 is clamped in the axial direction between the lower end of the second closing body 86 and the cam plate 96. In the closed position shown in Figure 8, both valve seats 108 and 109 are closed. In Figure 9, as indicated by arrows, both valve seats are open.
  • FIG. 10 shows entrainment device 92 from FIGS. 8 and 9 according to an exemplary embodiment having a multiplicity of through-holes 16. Through through holes 1 16 1 14 are provided in addition to a central through hole, which serves to represent the first opening cross-section of the first valve seat. The through holes 1 16 allow the passage of medium from the control chamber into the interior of the driver 92 to the central through hole 1 14th
  • the through holes 1 16 are provided in a sleeve body 1 10 and in the second closing body 76 which is integrally connected to the sleeve body 1 10.
  • the sleeve body 1 10 has a radially inwardly bent peripheral edge 11 1, which has the same function as the driving claws of the driver device 52 described above.
  • Figures 1 1 and 12 is an embodiment of the entrainment device
  • Figure 13 shows a similar section as in Figure 3.
  • the same reference numerals are used to designate the same or similar parts. To avoid repetition, reference is made to the preceding description of Figures 2 and 3. In the following, the differences between the exemplary embodiments illustrated in FIGS. 3 and 4 are mainly discussed.
  • the pilot through-hole 55 is arranged in the center of a funnel-shaped depression 130.
  • the pilot through-hole 55 is divided into a first bore portion 130 and a second bore portion 132.
  • the first bore portion 131 extends from the funnel-shaped depression 130 approximately over half of the pilot through-hole 55.
  • the first bore portion 131 has a significantly smaller diameter than the second bore portion 132.
  • the two bore portions 131 and 132 extend in the axial direction each over approximately one half the pilot through hole 55.
  • the second bore portion 132 with the larger diameter faces the check valve body 41.

Abstract

L'invention concerne un système de soupapes (21) comportant une soupape principale (22) et une soupape pilote (23) qui comprend un dispositif de fermeture (44) qui peut être actionné par un dispositif d'actionnement muni d'un induit (48) pour relier l'un à l'autre deux raccordements de pression (11, 12) du système de soupapes par un trou traversant principal (37) qui peut être fermé par le dispositif de fermeture (44). L'invention vise à créer un système de soupapes qui soit de conception simple et de fabrication peu couteuse. A cet effet, le système de fermeture (44) comprend un premier élément de fermeture (45) qui peut être déplacé de manière limitée par le dispositif d'actionnement indépendamment d'un deuxième élément de fermeture (46) pour dégager une première section transversale d'ouverture de la soupape pilote (23).
PCT/EP2014/070624 2013-11-11 2014-09-26 Système de soupapes WO2015067407A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310222875 DE102013222875A1 (de) 2013-11-11 2013-11-11 Ventileinrichtung
DE102013222875.9 2013-11-11

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WO2015067407A1 true WO2015067407A1 (fr) 2015-05-14

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PCT/EP2014/070624 WO2015067407A1 (fr) 2013-11-11 2014-09-26 Système de soupapes

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DE (1) DE102013222875A1 (fr)
WO (1) WO2015067407A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145778A (zh) * 2019-06-27 2020-12-29 梅扎零件有限公司 电磁致动的高压气阀

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9315336U1 (de) * 1992-10-12 1994-01-05 Eledro Klitz S P A Magnetventil
US20090152485A1 (en) * 2004-11-22 2009-06-18 Kabushiki Kaisha Kawasaki Precison Machinery Solenoid Valve Device
DE102012007739A1 (de) * 2012-04-18 2013-10-24 Festo Ag & Co. Kg Ventilanordnung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9315336U1 (de) * 1992-10-12 1994-01-05 Eledro Klitz S P A Magnetventil
US20090152485A1 (en) * 2004-11-22 2009-06-18 Kabushiki Kaisha Kawasaki Precison Machinery Solenoid Valve Device
DE102012007739A1 (de) * 2012-04-18 2013-10-24 Festo Ag & Co. Kg Ventilanordnung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145778A (zh) * 2019-06-27 2020-12-29 梅扎零件有限公司 电磁致动的高压气阀

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