EP2756229B1 - Ensemble de soupapes à gaz - Google Patents

Ensemble de soupapes à gaz Download PDF

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Publication number
EP2756229B1
EP2756229B1 EP12753506.0A EP12753506A EP2756229B1 EP 2756229 B1 EP2756229 B1 EP 2756229B1 EP 12753506 A EP12753506 A EP 12753506A EP 2756229 B1 EP2756229 B1 EP 2756229B1
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EP
European Patent Office
Prior art keywords
gas
throttle
valve unit
section
open
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
EP12753506.0A
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German (de)
English (en)
Other versions
EP2756229A1 (fr
Inventor
Christophe Cadeau
Jörn Naumann
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete 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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to EP12753506.0A priority Critical patent/EP2756229B1/fr
Priority to PL12753506T priority patent/PL2756229T3/pl
Publication of EP2756229A1 publication Critical patent/EP2756229A1/fr
Application granted granted Critical
Publication of EP2756229B1 publication Critical patent/EP2756229B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/002—Regulating fuel supply using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/002—Gaseous fuel
    • F23K5/007—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2400/00—Pretreatment and supply of gaseous fuel
    • F23K2400/20—Supply line arrangements
    • F23K2400/201—Control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2900/00—Special features of, or arrangements for fuel supplies
    • F23K2900/05001—Control or safety devices in gaseous or liquid fuel supply lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/18—Groups of two or more valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/22—Fuel valves cooperating with magnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2237/00—Controlling
    • F23N2237/08—Controlling two or more different types of fuel simultaneously
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2241/00—Applications
    • F23N2241/08—Household apparatus
    • 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
    • Y10T137/87249—Multiple inlet with multiple outlet

Definitions

  • the invention relates to a gas valve unit for adjusting a gas burner of a gas appliance, in particular a gas cooking appliance, supplied gas volume flow.
  • Gas valve units of the type mentioned are, for example, in the EP0818655A2 and the WO2004063629 A1 described. With such gas valve units, the gas volume flow supplied to a gas burner of a gas cooking appliance can be controlled in several stages. The gas volume flow in each stage has a reproducible size. The flow area of the gas valve unit as a whole, and consequently the size of the gas volume flow, are adjusted by opening or closing certain open-close valves of the gas valve unit and thereby releasing the gas flow through certain throttle openings.
  • the cover plate In the cover plate is an opening which allows control of the nozzle plate used. A slight pressure through this opening on the nozzle plate causes the nozzle plate including the seal composite plate is pressed out of the fixations of the cover plate.
  • the upper gas distribution plate can remain in the cover plate. Then, the nozzle plate can be removed and replaced for Gasartumgna. Corresponding geometries of the components allow only a single installation option.
  • the plates are in reverse Order back into the cover plate.
  • a disadvantage of this solution is that the cover plate must be dismantled before Gasart cel and must be reassembled after Gasart .
  • the EP 0 818 655 A2 describes a method and apparatus for controlling the flame size of gas fired cooking or baking appliances. In this case, a gas flow is passed through parallel or serially arranged throttle elements. In addition, this patent discloses the preamble of claim 1.
  • the WO 2011/009793 A1 describes an actuating mechanism of a gas valve unit. The gas valve unit has on-off valves, which are actuated by means of a magnetically active body.
  • the EP 1 477 738 A2 describes a setting device for a gas cooking appliance for adjusting the gas flow rate.
  • the GB 2 234 044 A describes a flow control device for controlling a flow of glass.
  • the EP 1 176 364 A1 describes a combustion device and a method for controlling a combustion device.
  • the device may have three parallel, non-adjustable chokes.
  • the US 2002/0086255 A1 describes a control system for a gas burner with a plurality of both parallel and in series solenoid valves.
  • the solenoid valves each comprise throttle points, wherein the opening cross sections of the throttle points differ from each other.
  • the present invention has for its object to provide a gas valve unit of the type mentioned above, in which no components must be dismantled at a Gasartumgna.
  • the gas valve unit comprises a plurality of N arranged in parallel, individually controllable throttle sections and the respective throttle section a plurality M of arranged in series throttle bodies for Setting the flow rate of the gas flow rate, wherein a plurality M is provided by valve units, wherein the ith valve unit is arranged to drive the i-th throttle points of the throttle sections, with i ⁇ [1, ..., M] and wherein the in Row arranged throttle bodies have a series of increasing opening cross-section.
  • the throttle sections are combined in a different Gasartumgna by connecting or disconnecting the individual controllable throttle sections.
  • the respective throttle section has a plurality M of throttle bodies arranged in series.
  • the throttle point may also be referred to as throttle element, control or control element.
  • the throttle bodies arranged in series have a sequentially increasing opening cross-section.
  • the switched load can be increased depending on the angle of rotation of the shift shaft.
  • LPG to natural gas
  • exact flow values can be achieved.
  • the respective throttle section has a throttle section switch for connecting and disconnecting the throttle section.
  • the respective throttle section can be switched on or off.
  • the respective throttle section has a plurality M of throttle bodies arranged in series and a throttle section switch downstream of the throttle points for connecting and disconnecting the throttle section.
  • a drive device for controlling the N throttle position switch is provided.
  • the drive device is set up to select a specific drive profile of a plurality of predetermined drive profiles for driving the N throttle line switches as a function of a gas type to be used. Furthermore, the drive device will control the N throttle line switches with the selected drive profile.
  • the gas valve unit has a plurality M of valve units.
  • the i-th valve unit is set up to control the i-th throttle points of the throttle sections (i ⁇ [1, ..., M]).
  • the respective valve unit has a number N of open-close valves.
  • the jth open-close valve is set up to control the jth throttle section (j ⁇ [1, ..., N]).
  • the open-close valve When the open-close valve is closed, it rests against a valve seat. As a result, an opening in the valve seat is closed.
  • the valve seats of the open-close valves may be formed by a common component, which is preferably formed by a valve sealing plate.
  • the N open-close valves of the respective valve unit can be actuated simultaneously by actuation of a control device.
  • the control device is formed for example by a movable, magnetically active body, in particular by a permanent magnet.
  • the shut-off body is raised against the force of the spring by the valve seat by means of the force of the permanent magnet arranged above or below the open-close valve.
  • the term "permanent magnet” is representative of other magnetically active bodies.
  • the permanent magnet can also be moved by means of any desired actuator, for example an electric motor.
  • the electric motor is driven by an electrical control unit or control device.
  • This control unit makes it possible to operate the same gas valve unit optionally mechanically by the operator or by means of an electric actuator.
  • identical gas valve units can be combined with both mechanical user interfaces, such as rotary knobs, as well as electrical user interfaces, such as touch sensors.
  • the N open-close valves of the respective valve unit are formed by a shut-off body, a spring acting on the shut-off body and a number of partitions for supplying the gas volume flow to the N throttle sections.
  • the N valve units are additively switchable by moving at least one magnetically active body, in particular a permanent magnet, relative to the valve units.
  • a changeover device for changing over the types of gas is arranged in the region of an actuating shaft of the gas valve unit.
  • the changeover device is designed, for example, as a screw.
  • the gas changeover screw can be mounted more centrally on the handle stem than on cone fittings.
  • the gas valve unit is in particular part of a manually operated multiple actuator, which consists of a valve part and an adapted ignition fuse.
  • a valve part in particular a handle or rotary knob, permanent magnets, valves, nozzles and seals are integrated.
  • the handle can be pressed in by light pressure.
  • the ignition fuse is actuated.
  • the on-off valves or ferrite valves are pressed in one or more gas-tight spaces by one or more resilient components on seals and thus prevent the flow to the associated openings or sealing openings.
  • the resilient components or springs find their counterpart in a gas-tight lid.
  • a gas fitting for a gas appliance which has at least one gas valve unit as described above.
  • a gas appliance which has a gas fitting as described above.
  • the gas appliance is for example a gas oven.
  • the Fig. 1 to 4 show a schematic circuit arrangement of the gas valve unit according to the invention in successive switching states.
  • a gas inlet 1 with which the gas valve unit is connected for example to a main gas line of a gas cooking appliance.
  • the gas intended for combustion is at a constant pressure, for example 20 mbar or 50 mbar.
  • a leading for example to a gas burner of the gas cooking appliance gas line is connected.
  • the gas valve unit has a plurality N of parallel, individually controllable throttle sections 3, 4, 5 for adjusting the flow rate of the gas volume flow.
  • the first throttle section 3 has a first throttle point 3.1, a second throttle point 3.2, a third throttle point 3.4 and a fourth throttle point 3.5.
  • the second throttle section 4 and the third throttle section 5 are constructed accordingly.
  • the throttling points 3.1-3.4, 4.1-4.4, 5.1-5.4 have a sequentially increasing opening cross-section. For example, therefore, the opening cross section of the throttle point 3.2 is greater than the opening cross section of the throttle point 3.1.
  • the opening cross section of the throttle body 3.3 is greater than the opening cross section of the throttle point 3.2.
  • the opening cross section of the throttle point 3.4 is greater than the opening cross section of the throttle point 3.3.
  • the respective throttle section 3, 4, 5 has a throttle section switch 3.5, 4.5, 5.5 for connecting and disconnecting the corresponding throttle section 3, 4, 5th
  • the first throttle-road switch 3.5 is set up to switch on and off the first throttle section 3.
  • a drive device For driving the throttle section switches 3.5, 4.5, 5.5 in particular a drive device is provided (not shown).
  • the drive device is set up to select a specific drive profile of a plurality of predetermined drive profiles for activating the throttle line switches 3.5, 4.5, 5.5 as a function of a gas type to be used and to correspondingly control the throttle line switches 3.5, 4.5, 5.5 with the selected drive profile.
  • the gas valve unit has a parallel throttle lines 3, 4, 5 downstream main throttle point 7 and a parallel to the throttle lines 3, 4, 5 arranged main valve unit 8.
  • the main valve unit 8 may also be referred to as the main switching element.
  • the first valve unit 6.1 has a first open-close valve 6.1.1 for driving the first throttle section 3, a second open-close valve 6.1.2 for activating the second throttle section 4 and a third open-close valve 6.1.3 for driving the third throttle path 5.
  • the jth on-off valve 6.1.1, 6.2.1, 6.3.1, 6.4.1; 6.1.2, 6.2.2, 6.3.2, 6.4.2; 6.1.3, 6.2.3, 6.3.3, 6.4.3 are set up to control the jth throttle section 3-5, with j ⁇ [1, ... N].
  • the first open-close valves 6.1.1, 6.2.1, 6.3.1 and 6.4.1 of the valve units 6.1, 6.2, 6.3 and 6.4 actuate the first throttle section 3.
  • the Fig. 2 shows a schematic circuit arrangement of the first embodiment of the gas valve unit in the switching position for natural gas.
  • the Fig. 2 is different from the Fig. 1 in that the third throttle section switch 5.5 is open for the third throttle section 5.
  • the subsets of the gas flow rate are formed only by the first throttle section 3 and the second throttle section 4.
  • Fig. 3 is a schematic circuit arrangement of the first embodiment of the gas valve unit shown in the switching position for LPG.
  • the first throttle-road switch 3.5 is closed, whereas the second throttle-road switch 4.5 and the third throttle-road switch 5.5. are open. Consequently, when combining the Fig. 3 the subset of the gas flow rate formed only by the first throttle section 3. This setting represents the liquefied gas variant.
  • the first throttle-road switch 3.5 is opened, whereas the second throttle-road switch 4.5 and the third throttle-road switch 5.5 are closed.
  • the subset of the gas flow rate of the second throttle section 4 and the third throttle section 5 is formed.
  • This setting can be used for a burner with a higher fuel efficiency, such as natural gas.
  • the exemplary switching arrangement of the gas valve unit of Fig. 1-4 in that, by means of selected combinations of valve units (switching devices) and throttle sections, it is possible to selectively and reproducibly set predefined stages for the adjustment of the flow rate of the gas volume flow.
  • Fig. 5 shows a schematic circuit arrangement of a second embodiment of the gas valve unit.
  • the gas valve unit of Fig. 5 has a first throttle section 3 and a second throttle section 4.
  • the first throttle section 3 has four throttle points 3.1-3.4.
  • the second throttle section 4 has four throttle points 4.1-4.4.
  • Schematically drawn are the respective connecting sections 3.6-3.9 in the first throttle section 3 and the corresponding connecting sections 4.6-4.9 in the second throttle section 4.
  • the respective throttle section 3, 4 has an input section 3.10 or 10.4.
  • Each on-off valve 6.1.1-6.1.4 forms two switching elements, in each case a switching element for each of the throttle sections 3, 4.
  • the open-close valve 6.1.5 has only one switching element, because it is the Vollbrandventil ,
  • the detailed view of the Fig. 5 in that the on-off valve 6.1.1 is formed by a shut-off body 12, a spring 13 acting on the shut-off body 12 and a partition wall 9.1.
  • the partition 9.1 separates the channels to the input sections 3.10 and 4.10.
  • the Fig. 6 to 9 show the schematic circuit arrangement of the second embodiment of the gas valve unit in different switching positions.
  • the input-side surface of the first four open-close valves 6.1.1-6.1.4 is divided by a partition 9.1-9.4.
  • the last open-close valve 6.1.5 is not shared with any partition because the output side gas should flow directly to the gas outlet 2.
  • the gas inlet 1 is in each case connected to a specific section of the throttle sections 3, 4, in which the gas via the respective open on-off valve 6.1.1-6.1. 5 flows in.
  • the throttle sections 3 and 4 comprise inlet sections 3.10 and 4.10, respectively, into which the first open-close valve 6.1.1 opens.
  • the further open-close valves 6.1.2-6.1.5 each open into a connection section 3.6-3.9 or 4.6-4.9 of the throttle sections 3 and 4 respectively.
  • the transition between the input sections 3.10 or 4.10 and the first connection sections 3.6 or 4.6 and the transitions between adjacent connecting sections 3.6-3.9 and 4.6-4.9 is formed in each case by a throttle point 3.1-3.4 or 4.1-4.4.
  • the respective last throttle point 3.4 or 4.4 connects the last connecting section 3.9 or 4.9 with the gas outlet second
  • the throttle point 3.4 of the throttle section 3 is closed with a throttle switch 3.5 and connects the last connection section 3.9 with the gas outlet. 2
  • the actuation of the open-close valves 6.1.1-6.1.5 takes place in particular by means of a permanent magnet 11 which is displaceable along the row of open-close valves 6.1.1-6.1.5.
  • the force for opening the respective on-off valve 6.1.1-6.1.5 is formed directly from the magnetic force of the permanent magnet 11. This magnetic force opens the respective on-off valve 6.1.1-6.1.5 against the spring force of the spring thirteenth
  • the Fig. 7 shows the switching arrangement in which the permanent magnet 11 is shifted to the right, that both the first open-close valve 6.1.1 and the second open-close valve 6.1.2 are open. Due to the opened second open-close valve 6.1.2, the gas flows from the gas inlet 1 directly into the first connecting sections 3.6 and 4.6 and from there via the throttling points 3.2-3.4 and 4.2-4.4 to the gas outlet 2. Consequently, this bypasses the gas outlet 2 flowing gas due to the open on-off valve 6.1.2 the first throttles 3.1 and 4.1. The gas flow rate in the switching position according to the Fig. 7 is therefore greater than the gas flow rate in the switching position according to the Fig. 5 and 6 ,
  • the gas flow to the first connecting section 3.6 and 4.6 takes place almost exclusively via the second open-close valve 6.1.2. Due to the open-close valves 6.1.1 and 6.1.2, the pressure levels prevailing in the input sections 3.10 and 4.10 are the same as in the first connection sections 3.6 and 4.6. From the input sections 3.10 and 4.10 virtually no gas flows via the first throttle points 3.1 and 4.1 into the first connecting sections 3.6 and 4.6. The total gas flow flowing through the gas valve unit therefore practically does not change when the permanent magnet 11 is moved further to the right in the drawing, thereby closing the first on-off valve 6.1.1 with the second on-off valve 6.1.2 open , By moving the permanent magnet 11 in the drawing to the right, the open-close valves 6.1.3.-6.1.5 are successively opened. As a result, the gas flow rate is gradually increased by the gas valve unit.
  • Fig. 8 shows the switching arrangement of the gas valve unit, in which the permanent magnet 11 is shifted to the right, that both the first on-off valve 6.1.1 and the second on-off valve 6.1.2 are open.
  • Fig. 7 is the throttle 3.4 closed by the throttle switch 3.5.
  • the gas flows from the gas inlet 1 directly into the first connecting section 4.6 and from there via the throttle points 4.2-4.4 to the gas outlet 2.
  • the other gas path leads from the open-close valve 6.1 .2 in the first connection section 3.6 of the first throttle section 3 and from there via the throttle points 3.2-3.4.
  • the throttle point 3.4 is closed by the throttle line switch 3.5, so that no further gas can flow to the gas outlet 2 via the connecting section 3.9.
  • the gas flowing to the gas outlet 2 bypasses the first throttling points 3.1 and 4.1 on the basis of the open on-off valve 6.1.2.
  • the gas flow rate in the switching position according to the Fig. 8 is therefore smaller than the gas volume flow in the switching position according to the Fig. 7 ,
  • the gas flow to the first connecting sections 3.6 and 4.6 takes place almost exclusively via the second on-off valve 6.1.2.
  • Due to the open on-off valves 6.1.1 and 6.1.2 prevails in the input sections 3.10 and 4.10 the same pressure level as in the first connecting sections 3.6 and 4.6. From the input sections 3.10 and 4.10, therefore, virtually no gas flows via the first throttle points 3.1 and 4.1 into the first connecting sections 3.6 and 4.6.
  • the total of the gas flow flowing through the gas valve unit therefore practically does not change when the permanent magnet 11 is moved further to the right, thereby closing the first on-off valve 6.1.1 with the second open-close valve 6.1.2 open.
  • the switching arrangement of the gas valve unit is shown in the maximum open position.
  • the permanent magnet 11 is in its end position on the right side shown in the drawing.
  • the last open-close valve 6.1.5 is open at this position of the permanent magnet 11.
  • the gas flows directly from the gas inlet 1 into the last connection sections 3.9 and 4.9 to the gas outlet 2.
  • the position of the throttle section switch 3.5 does not influence the gas flow in this case.
  • Fig. 5 to 9 are the permanent magnet 11 and the components of the open-close valves 6.1.1-6.1.5 coordinated so that when open Gas valve unit either exactly one open-close valve 6.1.1-6.1.5 or exactly two open-close valves 6.1.1-6.1.5 are opened.
  • the switching behavior described above can also be achieved by other components and devices, such as mechanical, electrical, pneumatic, hydraulic or their combination.
  • both adjacent open-close valves 6.1.1-6.1.5 are briefly opened. This ensures that a switch does not lead to a brief interruption of the gas supply to the gas burner and thus to a flickering or extinction of the flames. With the above-described switching position is also ensured that occurs during a switching and no short-term increase in the gas flow rate. A flicker of the gas flame during the switching process is thus reliably prevented.
  • FIG. 10 an embodiment of the gas valve unit. It shows the Fig. 10 in particular the cover plate 14 with integrated sealing composite plate and integrated nozzle plate.
  • the seal composite plate may also consist of individual parts, the valve sealing plate, the pressure plate and the lower Gasverediaplatte- are in the Fig. 10 the partitions 9.1-9.8 of eight open-close valves visible.
  • the Vollbrandventil 21 has no partition.
  • the Fig. 11 shows an exploded view of the seal composite plate 15, the nozzle plate and the upper gas distribution plate 16. It is in Fig. 11 the path 18 of the gas flow from the small fire position 17 to the gas outlet 2 is shown schematically.
  • Figure 12 shows the view on the top of the composite gasket plate Fig. 10 .
  • the Fig. 13 shows an embodiment of a cover plate 14 with the sealing composite plate 15, the nozzle plate 22 and the upper gas distribution plate 16 of a gas valve unit. It is also possible for the sealing composite plate 15 to be composed of individual parts, for example the sealing plate 15.1, the pressure plate 15.2 and the lower gas distribution plate 15.3. Furthermore, the shows Fig. 13 a screw 19 in the region of the opening of the actuating shaft 20 of the gas valve unit. The screw 19 is set up for Gasartumgna. When the screw 19 to the bolt collar is screwed, seals the underlying membrane seal on the nozzle plate 22 and thus prevents the gas flow over this path.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)

Claims (11)

  1. Unité de soupapes à gaz destinée à régler un débit volumique de gaz amené à un brûleur à gaz d'un appareil à gaz, notamment d'un appareil de cuisson à gaz, l'unité de soupapes à gaz présentant une pluralité N de sections d'étranglement (3, 4, 5) disposées parallèlement, commandables individuellement, et la section d'étranglement respective (3, 4, 5) présentant une pluralité M de points d'étranglement (3.1 - 3.4, 4.1 - 4.4, 5.1 - 5.4) disposés en série pour le réglage du débit volumique de gaz, caractérisée en ce qu'une pluralité M d'unités de soupapes (6.1, 6.2, 6.3, 6.4) sont ménagées, la i ème unité de soupapes (6.1, 6.2, 6.3, 6.4) étant configurée pour commander les i ème points d'étranglement (3.1, 4.1, 5.1, 3.2, 4.2, 5.2, 3.3, 4.3, 5.3, 3.4, 4.4, 5.4) des sections d'étranglement (3, 4, 5), avec i ∈ [1, ..., M] et les points d'étranglement (3.1 - 3.4, 4.1 - 4.4, 5.1 - 5.4) disposés en série présentant une section d'ouverture augmentant l'une après l'autre.
  2. Unité de soupapes à gaz selon la revendication 1, caractérisée en ce que la section d'étranglement respective (3, 4, 5) présente un commutateur (3.5, 4.5, 5.5) de section d'étranglement destiné à ouvrir et fermer la section d'étranglement (3, 4, 5).
  3. Unité de soupapes à gaz selon la revendication 1, caractérisée en ce que la section d'étranglement respective (3, 4, 5) présente une pluralité M de points d'étranglement (3.1 - 3.4, 4.1 - 4.4, 5.1 - 5.4) disposés en série et un commutateur (3.5, 4.5, 5.5) de section d'étranglement installé en aval des points d'étranglement (3.1 - 3.4, 4.1 - 4.4, 5.1 - 5.4), destiné à ouvrir et fermer la section d'étranglement (3, 4, 5).
  4. Unité de soupapes à gaz selon la revendication 2 ou 3, caractérisée en ce qu'un dispositif d'activation destiné à activer les M commutateurs (3.5, 4.5, 5.5) de section d'étranglement est ménagé, lequel est configuré pour sélectionner un profil d'activation déterminé d'une pluralité de profils d'activation destinés à activer les M commutateurs (3.5, 4.5, 5.5) de section d'étranglement en fonction d'un type de gaz à utiliser et à activer les M commutateurs (3.5, 4.5, 5.5) de section d'étranglement à l'aide du profil d'activation sélectionné.
  5. Unité de soupapes à gaz selon la revendication 1, caractérisée en ce que l'unité de soupapes respective (6.1, 6.2, 6.3, 6.4) présente un nombre N de soupapes d'ouverture et de fermeture (6.1.1, 6.1.2, 6.1.3, 6.2.1, 6.2.2, 6.2.3, 6.3.1, 6.3.2, 6.3.3, 6.4.1, 6.4.2, 6.4.3), la j ème soupape d'ouverture et de fermeture (6.1.1, 6.1.2, 6.1.3, 6.2.1, 6.2.2, 6.2.3, 6.3.1, 6.3.2, 6.3.3, 6.4.1, 6.4.2, 6.4.3) étant configurée pour activer la J ème section d'étranglement (3 - 5), avec j ∈[1, ..., N].
  6. Unité de soupapes à gaz selon la revendication 5, caractérisée en ce que les N soupapes d'ouverture et de fermeture (6.1.1, 6.1.2, 6.1.3, 6.2.1, 6.2.2, 6.2.3, 6.3.1, 6.3.2, 6.3.3, 6.4.1, 6.4.2, 6.4.3) de l'unité de soupape respective (6.1, 6.2, 6.3, 6.4) sont actionnables simultanément par actionnement d'un dispositif de commande.
  7. Unité de soupapes à gaz selon la revendication 5 ou 6, caractérisée en ce que les N soupapes d'ouverture et de fermeture (6.1.1, 6.1.2, 6.1.3, 6.2.1, 6.2.2, 6.2.3, 6.3.1, 6.3.2, 6.3.3, 6.4.1, 6.4.2, 6.4.3) de l'unité de soupape respective (6.1, 6.2, 6.3, 6.4) sont formées par un corps de blocage (12), un ressort (13) agissant sur le corps de blocage (12) et un nombre de parois de séparation (9.1 - 9.4) destinées à amener le débit volumique de gaz aux N sections d'étranglement (3 - 5).
  8. Unité de soupapes à gaz selon l'une quelconque des revendications 1 à 7, caractérisée en ce que les M unités de soupapes (6.1, 6.2, 6.3, 6.4) peuvent être connectées de manière additive par déplacement au moins d'un corps (11) agissant magnétiquement, notamment d'un aimant permanent, par rapport aux unités de soupapes (6.1, 6.2, 6.3, 6.4).
  9. Unité de soupapes à gaz selon l'une quelconque des revendications 1 à 8, caractérisée en ce qu'un dispositif de changement, notamment une vis (19), est disposé pour le changement du type de gaz dans la zone d'un arbre d'actionnement (20) de l'unité de soupapes à gaz.
  10. Robinetterie à gaz comprenant au moins une unité de soupapes à gaz selon l'une quelconque des revendications 1 à 9.
  11. Appareil à gaz, notamment four à gaz, lequel présente une robinetterie à gaz selon la revendication 10.
EP12753506.0A 2011-09-16 2012-09-04 Ensemble de soupapes à gaz Active EP2756229B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12753506.0A EP2756229B1 (fr) 2011-09-16 2012-09-04 Ensemble de soupapes à gaz
PL12753506T PL2756229T3 (pl) 2011-09-16 2012-09-04 Zespół zaworu gazowego

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11290418 2011-09-16
EP12753506.0A EP2756229B1 (fr) 2011-09-16 2012-09-04 Ensemble de soupapes à gaz
PCT/EP2012/067191 WO2013037669A1 (fr) 2011-09-16 2012-09-04 Ensemble de soupapes à gaz

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EP2756229A1 EP2756229A1 (fr) 2014-07-23
EP2756229B1 true EP2756229B1 (fr) 2017-05-03

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KR (1) KR102002191B1 (fr)
CN (1) CN103797303B (fr)
AU (1) AU2012307584B2 (fr)
EA (1) EA026975B1 (fr)
ES (1) ES2628903T3 (fr)
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JP6756683B2 (ja) * 2017-08-30 2020-09-16 大陽日酸株式会社 酸素富化バーナ及び酸素富化バーナを用いた加熱方法
CN109458629A (zh) * 2018-08-14 2019-03-12 浙江绍兴苏泊尔生活电器有限公司 流量控制结构、燃气灶和燃气热水器

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KR20140066721A (ko) 2014-06-02
EP2756229A1 (fr) 2014-07-23
US20140216581A1 (en) 2014-08-07
CN103797303B (zh) 2016-12-07
EA026975B1 (ru) 2017-06-30
ES2628903T3 (es) 2017-08-04
AU2012307584A1 (en) 2014-03-13
WO2013037669A1 (fr) 2013-03-21
EA201490594A1 (ru) 2014-08-29
PL2756229T3 (pl) 2017-10-31
KR102002191B1 (ko) 2019-07-19
AU2012307584B2 (en) 2015-07-23
CN103797303A (zh) 2014-05-14

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