EP3086039B1 - Système de soupape et procédé de fonctionnement d'un four à gaz comprenant un système de soupape - Google Patents

Système de soupape et procédé de fonctionnement d'un four à gaz comprenant un système de soupape Download PDF

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Publication number
EP3086039B1
EP3086039B1 EP16165243.3A EP16165243A EP3086039B1 EP 3086039 B1 EP3086039 B1 EP 3086039B1 EP 16165243 A EP16165243 A EP 16165243A EP 3086039 B1 EP3086039 B1 EP 3086039B1
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EP
European Patent Office
Prior art keywords
valve
control element
gas
valve assembly
adjusting means
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.)
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Application number
EP16165243.3A
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German (de)
English (en)
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EP3086039A1 (fr
Inventor
Marcus Frank
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.)
EGO Elektro Geratebau GmbH
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EGO Elektro Geratebau GmbH
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Priority to PL16165243T priority Critical patent/PL3086039T3/pl
Priority to SI201630649T priority patent/SI3086039T1/sl
Publication of EP3086039A1 publication Critical patent/EP3086039A1/fr
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Publication of EP3086039B1 publication Critical patent/EP3086039B1/fr
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N5/00Systems for controlling combustion
    • F23N5/02Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/027Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using mechanical means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N1/00Regulating fuel supply
    • F23N1/007Regulating fuel supply using mechanical means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00Valves, nozzles or pumps
    • F23N2235/12Fuel valves
    • F23N2235/24Valve details

Definitions

  • the invention relates to a valve arrangement for a gas burner or a gas oven with such a gas burner and a method for operating a gas oven with such a valve arrangement.
  • a valve arrangement is known with which a gas burner can be controlled in a gas oven.
  • a valve closure is set on the one hand by a rotary adjustment means which, by rotation, brings about a linear movement on a valve tappet of the valve closure, which is then moved towards or away from a valve seat.
  • a certain manual power setting can thus be set, so to speak, in a gas oven usually according to a desired temperature inside the gas oven.
  • a setting is carried out via temperature adjustment means, as are also generally known from thermostats. They have an expansion element which has a direction of movement towards or away from the valve tappet, it being filled with a working fluid which has a temperature-dependent expansion.
  • the expansion element is connected via a line to a somewhat larger container for this working fluid, which is arranged as a type of temperature sensor in the gas oven.
  • the working fluid experiences a certain expansion at a certain temperature and thus brings about a certain position of the expansion element, which in turn leads to a certain influence on the valve lifter.
  • an optical operating display for an oven is known. It lights up when the oven is actively heated or a heating element is switched on. This can be implemented very easily in the case of electrical heating elements, for example by the operating display being connected in parallel with the heating elements.
  • a safety device for gas burners with a main burner and a pilot burner which has a bistable control element which has a valve closure between a gas inlet and a gas outlet.
  • An electrical switch is provided with which a signal can be switched depending on a position of the bistable control element.
  • Both adjustment means in the form of a manual handle as well Temperature adjustment means with an expansion element are provided.
  • the temperature adjusting means have an expansion element in order to actuate the adjusting element.
  • a thermostat-controlled valve is known in order to be able to open or shut off a gas supply to a gas-heated device with a gas burner.
  • a gas valve with an electrical switch is known, the switch being able to switch off an ignition of a gas burner operated by the gas valve as soon as a gas flame burns stably after ignition via the switch.
  • the gas valve can be controlled thermostatically.
  • the invention has for its object to provide a valve arrangement and a method mentioned at the outset, with which problems of the prior art can be solved and in particular it is possible to adjust a gas flow in a novel and advantageous manner and to effect electrical switching states in accordance with an operation of a gas burner supplied by the valve arrangement.
  • valve arrangement with the features of claim 1 and a method with the features of claim 12.
  • Advantageous and preferred embodiments of the invention are the subject of the further claims and are explained in more detail below. Some of the features are only described for the valve arrangement or only for the method. Independently of this, however, they should be able to apply independently for the valve arrangement as well as for the method and for a gas oven provided with the valve arrangement.
  • the wording of the claims is made the content of the description by express reference.
  • the valve arrangement has a housing and a valve closure with a movable valve tappet and with a valve seat, against which the valve tappet can be moved in a known manner.
  • a gas inlet and a gas outlet are provided, the valve closure and the valve seat being arranged between these two.
  • the valve arrangement has an electrical switch with a first switching state and a second switching state.
  • a bistable actuating element is provided which acts on the valve closure and on the electrical switch, wherein it has two positions, which results in the bistable property. In a first position of the actuating element, the valve closure is open and the electrical switch has the first switching state or has been switched from the switching element to the first switching state. In a second position of the actuating element, the valve closure is closed, that is, the valve tappet is moved against the valve seat, the electrical switch having its second switching state.
  • adjustment means are provided which adjust the valve closure or act on it.
  • the adjustment means are designed mechanically so that they can be moved or moved towards the actuating element or away from it and thus open the valve closure by movement, in particular for a gas passage.
  • temperature adjustment means are provided with an expansion element, as essentially described at the beginning with reference to the prior art. They have an expansion element which has a direction of movement towards and away from the actuating element. This is filled with a working fluid, advantageously a conventional working fluid, such as is used for gas ovens, for example, which experiences a change in volume due to a change in temperature and expands or contracts accordingly, thereby reducing the movement of the expansion element.
  • the adjusting means and the temperature adjusting means act together on the adjusting element, which in turn acts on the valve closure and on the electrical switch.
  • the valve arrangement according to the invention does not effect a proportional setting of a continuous gas flow as in the case mentioned at the beginning DE 102013218014 A1 , which is essentially steplessly possible between a minimum value and a maximum value. Rather, the bistable actuating element with its two positions actuates the valve closure or valve tappet and either completely closes it or opens it completely. It is admittedly advantageously possible to provide a so-called bypass as a bypass gas channel for the gas burner operated with the valve arrangement, in particular in a gas oven, for a relatively low gas supply to the gas burner, so that, despite the valve closure being closed, it is still with minimal combustion output or very small Flame continues to burn.
  • Such a bypass gas channel is only closed by a shut-off valve which is advantageously provided for the valve arrangement and which is preferably actuated or opened and closed by the adjusting means. It can have a relatively small cross section, which has between 2% and 15% of the gas passage cross section of the valve closure, so that the performance of a gas burner operated only with this bypass is very low when the valve closure is closed.
  • This power and thus the cross-section of the bypass gas channel are advantageously selected so that the gas burner is just barely stable and continuously working or burning.
  • the gas burner even in the somewhat steady-state temperature in the gas oven, is not switched on continuously after some time, as in conventional gas ovens, but continues to be operated during each of these Clocks to operate an operating display, in particular an optical operating display such as a light indicator.
  • the electrical switch mentioned controls the operating display or is connected to it. It can be switched on in the first switching state by the first position of the control element, that is when the valve closure is open and a gas burner is working. In the second position of the control element with the second switching state of the switch, the operating display is switched off, since the gas burner is also not working or is not generating any appreciable power.
  • An aforementioned bypass gas channel can then advantageously be provided in the valve arrangement and can also be opened when the valve closure is closed.
  • a direction of movement of the adjusting means towards or away from the adjusting element can be parallel to the direction of movement of the valve tappet. It would also be possible for the bistable adjusting element to deflect the movement of the adjusting means and / or the temperature adjusting means in another direction. However, a parallel continuation is particularly easy and particularly advantageous. It can be provided that the two directions of movement lie directly on a line.
  • the bistable control element is advantageously arranged on the one hand between the valve tappet or the valve closure and on the other hand the adjustment means and the expansion element or the temperature adjustment means. Both the adjusting means and the expansion element can act particularly well together on the adjusting element.
  • the temperature adjustment means or the expansion element are advantageously designed as known in the prior art, in particular according to the EP 962951 A2 or the DE 102014216363 A1 ,
  • the adjustment means is advantageously designed as a rotation adjustment means, that is to say is adjusted by rotation. It can have a thread in order to convert a rotary movement into a linear movement.
  • Such a rotary adjustment means is also from the aforementioned EP 962951 A2 or the DE 102014216363 A1 known.
  • the adjusting means and the expansion element form a structural unit. It can be provided that the expansion element is arranged on a free end of the adjusting means or is provided on or on top of it. Such an arrangement of the expansion element near a free end region of the adjustment means can cause both the adjustment means and the expansion element to be on the bistable actuating element act, but ultimately the expansion element bears directly against it or touches it, while the adjusting means in turn carry the expansion element and thus move it. It is particularly easy in terms of construction that the movements caused by the adjusting means and the expansion element can be transferred together to the adjusting element.
  • the entire valve arrangement is designed as one structural unit. It can have a plurality of housing parts in which the aforementioned functional elements are contained in different areas. In addition, it can also have a previously mentioned shut-off valve, which in particular, like the valve closure, is provided in a solid valve body as a type of housing or housing part.
  • the bistable actuating element advantageously has two actuating element legs which can be moved relative to one another or can be moved relative to one another.
  • a lower actuator leg acts on the valve tappet and can rest against it, advantageously only against it for triggering.
  • An upper control element leg can rest on and act on the electrical switch. But it does not have to be a constant concern.
  • the two actuating element legs are advantageously connected to one another in an articulated manner in an end region or connection region or rest against one another in this end region or are supported against one another. It can be provided that, in the two positions of the actuating element, not only do the two actuating element legs have a different relative position to one another, but this is also changed in relation to the other valve arrangement, in particular with respect to the valve tappet and the electrical switch.
  • the upper control element leg can act on the electrical switch with one free end.
  • the lower control element leg can be mounted with a free end on the valve arrangement or pressed against it. In the connection area they are close to one another.
  • the area in which the adjusting means and the expansion element or the temperature adjusting means act on the adjusting element is advantageously closer to the connecting area of the adjusting element than to the respective free end area.
  • the adjusting element is a snap element and has a snap function in such a way that the change between the two positions, ie the Change in the relative position of the two actuator legs relative to one another, at least in a certain area or at a certain point, takes place very quickly or suddenly.
  • the valve closure can be opened or closed very quickly and the switch can be operated accordingly.
  • a certain force or an impulse can be generated, which causes both a fast movement of the actuating element and, above all, a quick and direct opening or closing of the valve closure.
  • the valve closure therefore has hardly an intermediate position, so that a clean, defined cycle takes place.
  • a spring force can be provided in a direction away from the valve closure against the actuating element.
  • the control element can always be pressed with a force away from the valve closure against the adjustment means and the expansion element or the temperature adjustment means, so that the expansion element retracts somewhat when the temperature in the gas oven drops and the control element from the second position in which it is has closed the valve closure, is pushed back by the spring force against the adjusting means and the expansion element.
  • the electrical switch is preferably arranged on an outside of the housing.
  • it can be easily connected electrically when the valve arrangement is installed in a gas oven.
  • it can be easily repaired or replaced in the event of damage.
  • a microswitch is suitable as an electrical switch, which has a characteristic release lever for a switch trigger or for the bistable actuating element.
  • This release lever can be bent at least once, advantageously at right angles, so that its free end is in a direction that is parallel to a direction of the adjusting means or the adjusting element. The switch is thus actuated as well as possible.
  • FIG. 1 and 2 A valve arrangement 11 according to the invention is shown in partial section.
  • Their housing has an upper housing part 12a and a lower housing part 12b, the housing part 12b being recognizably made essentially of a solid material.
  • a valve closure 14 is provided in the interior of the housing or in the lower housing part 12b. It has a movable valve tappet 15, which has a sealing ring 16 in the upper region, which runs along a bore wall of the housing part 12b and has both a sealing function upwards and also ensures centering of the valve tappet 15.
  • a valve seat 18, which is worked out of the lower housing part 12b, is provided below an underside of the valve tappet 15.
  • valve closure 14 is open because the valve tappet 15 is lifted up off the valve seat 18.
  • valve closure 14 is closed, and the underside of the valve tappet 15 lies sealingly against the valve seat 18.
  • a centrally arranged valve spring 20 acts against the underside of the valve tappet 15. It presses the valve tappet 15 upward into a position in which the valve closure 14 is to be opened.
  • a gas inlet (not shown) is provided on the lower housing part 12b, advantageously with a shut-off valve arranged directly thereon.
  • a gas outlet 23 leads out, which leads the let-through gas to the gas burner, see the description below Fig. 3 with the gas inlet 22.
  • an electrical switch 25 is attached to the lower housing part 12b, advantageously designed as a so-called microswitch.
  • a trigger lever 26 is provided on its upper side, which is bent at an angle in its longitudinal course, in particular at right angles. With the in Fig. 1 left end it is articulated on the electrical switch 25, while the other free end protrudes upwards.
  • a second switch 28 is shown in the upper housing part 12a, which can serve for further switching functions, for example for energizing an ignition transformer in order to ignite the gas burner in the muffle when the control knob of the thermostat is pressed.
  • a bistable actuating element 30 is provided above the valve closure 14, which is designed as a snap element described above or has a snap function.
  • An upper control element leg 31 bears with its left free end 32 on the release lever 26. It therefore actuates the first switch 25.
  • the right end of the upper control element leg 31 is connected to the lower control element leg 36 in a connecting region 34 or abuts against it.
  • the left free end 37 of the lower control element leg 36 in turn rests on a projection of the upper housing part 12a.
  • a tensioned actuating element spring 39 runs between the two actuating element legs 31 and 36 and ensures the aforementioned snap effect.
  • Both actuator legs 31 and 36 are movable or pivotable.
  • the upper actuator leg 31 can be pivoted about a point D 1 in its right end region, that is to say actually in the connecting region 34.
  • the lower actuator leg 36 can be pivoted about a point D 2 in its left end region, that is to say close to the free end 37.
  • rotary adjustment means 41 are provided with an axis of rotation 42 which is mounted in a thread 43 of the housing part 12a. If the axis of rotation 42 is rotated, for example by means of a toggle attached to the front flattened end, this rotation is converted by means of the thread 43 into a linear movement in the longitudinal direction of the axis of rotation 42.
  • a line 46 shown goes off in a known manner to a somewhat larger container as a temperature sensor, this container and the line 46 and the expansion element 45 being filled with a working fluid, usually an oil or silicone oil.
  • a working fluid usually an oil or silicone oil.
  • This oil expands when heated and causes a triggering protrusion 47 at the lower end of the expansion element 45 to move downward due to the beginning expansion of the expansion element 45 as the working fluid expands.
  • the triggering protrusion 47 bears against the upper actuating element leg 31, more specifically in the right-hand region or near the connecting region 34.
  • this triggering protrusion 47 includes a prestressed spring. Thus, if necessary, it can yield resiliently in order to protect the snap element against excessive forces when the temperature setting is turned back by the user while the temperature sensor is hot, as an overpressure protection.
  • a component of the movement of the triggering projection 47 downward comes from a rotation of the rotary adjusting means 41, quasi as a temperature specification. This movement is carried out only once by an operator when switching on or setting as a temperature specification.
  • a counterclockwise rotation would be converted into a movement of the triggering projection 47 upwards, that is to say a movement away from the actuating element 30 and valve closure 14.
  • the expansion element 45 must expand more in order to to move the triggering projection 47 so far that it triggers the bistable actuating element 30 by pressing it downwards. This means that the working fluid contained therein must expand more, i.e.
  • the function of the control element 30 is from the 5 and 6 clearly visible.
  • the upper actuator leg 31 is rotatable about the right pivot point D 1 with a kind of cutting edge bearing.
  • the actuating element spring 39 is hooked onto the left free end 32, specifically here at the point P 1 .
  • the lower control element leg 36 is rotatably supported with its left end 37 about a pivot point D 2 , again with a kind of cutting edge bearing.
  • a section stands upwards from the right central region, the right end of the actuating element spring 39 being hung at the point P 2 is.
  • the pivot points D 1 and D 2 are unchangeable. They are connected by a connecting line shown in dashed lines.
  • the upper actuating element leg 31 lies on the underside of the release projection 47 as the first attachment point A 1 . This is always the case, in particular because the force of the actuating element spring 39 always tries to push the upper actuating element leg 31 clockwise with the moment M 1 around the pivot point D 1 .
  • the in Fig. 5 shown position has a dash-dotted connection line between P 1 and point P 2 over the pivot point D 2 of the lower actuator leg 36.
  • this position with the moment M 2 is pressed clockwise downward about the pivot point D 2 .
  • the actually bistable element of the actuating element 30 is the lower actuating element leg 36. Only when the triggering projection 47 moves up again due to the lack of gas flow and thus cooling or rotation on the axis of rotation 42 and thus causes the upper actuating element leg 31 to rotate in a clockwise direction until the connecting line shown in dash-dotted lines between points P 1 and P 2 again points over point D 2 Actuator leg 36 by the force of the actuator spring 39 counterclockwise around the pivot point D 2 again in a principle of Fig. 5 similar position. Then its attachment point A 2 is no longer the upper side of the valve tappet projection 17, but again on the upper actuating element leg 31 near its free end 33 or in the connecting region 34.
  • the gas burner When the gas oven is in operation with the valve closure closed, the gas burner is no longer supplied with the full power as it is in the state according to Fig. 1 the case is. It is only operated via a bypass gas channel (not shown in the figures) in the lower housing part 12b, which leads past the valve closure 14 to the gas outlet 23, with an output or a supplied gas volume that is approximately the minimum possible stable Combustion causes.
  • bypass gas channels for example in the form of an adjustable bypass screw, are known from the prior art.
  • the gas burner produces virtually no power worth mentioning, so that the interior of the gas oven cools down again, and thus also the working fluid of the adjusting means or the expansion element 45. It therefore contracts, causing the expansion element 45 together with the triggering projection 47 to move upward again emotional.
  • valve spring 20 pushes the valve tappet 15 upwards and thus also the actuating element 30 until it is moved again over the point of change and snaps back, so to speak. Then the valve closure 14 reopened accordingly Fig. 1 and the switch 25 reaches the first switching state or is closed.
  • a gas oven 50 according to the invention is shown very schematically. It has a muffle 51 and a gas burner 53 therein.
  • the gas burner 53 is supplied from the gas outlet 23 via a gas line.
  • the valve arrangement 11 is set via a toggle 44 attached to the front of the gas oven 50 as a temperature specification.
  • a gas inlet 22 into the valve arrangement 11 is provided and advantageously a gas supply line is supplied.
  • the line 46 goes from the valve arrangement 11 to a temperature sensor 46 ′ in the muffle 51.
  • a cable goes to an indicator light 55 on the front of the gas oven 50, which is shown here in a luminous manner.
  • Such illuminated displays as an operating display for a current heating operation are known from the prior art.
  • the valve closure is immediately fully opened at the beginning of the heating operation, so that the full power shown in dashed lines is immediately generated with the maximum value P max .
  • the optical operating display is switched on as a light display 55 on the gas oven 11, in Fig. 4 symbolized by the lamp sign.
  • the temperature adjusting means switch off the gas supply with the expansion element 45, so that the power generation drops as much as possible, since the gas burner is then only operated with the bypass power P By .
  • the temperature also drops somewhat.
  • the valve arrangement according to the invention 11 as a gas thermostat switches the power only when the specified temperature is reached, but then jumps back. In contrast to the prior art, it therefore does not continuously reduce the power. As a result, the temperature near the desired temperature is reached noticeably faster than in the prior art method described above, see the time difference ⁇ t.
  • the bistable control element 30 is triggered again by the drop in the temperature at the temperature sensor 46 ′ and, so to speak, switches the heating on again suddenly by opening the valve closure and switching on the light indicator as a sign for a user. This then goes on and on and leads to a somewhat larger fluctuation range of the temperature in comparison to the rather constant permanent temperature according to the prior art.
  • an average temperature can be maintained just as well by the clocking of the gas burner, with the possibility now additionally being given of representing each active operating cycle of the gas burner by means of the optical light display.

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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)
  • Control Of Combustion (AREA)

Claims (13)

  1. Ensemble de soupape (11) présentant :
    - un boîtier (12a, 12b),
    - une fermeture de soupape (14) présentant un poussoir mobile (15) de soupape et un siège (18) de soupape,
    - une admission de gaz (22) et un échappement de gaz (23), la fermeture de soupape et le siège de soupape étant disposés entre l'admission de gaz et l'échappement de gaz,
    - un élément de réglage (30) bistable,
    - des moyens d'ajustement (41), les moyens d'ajustement pouvant être rapprochés ou éloignés mécaniquement de l'élément de réglage (30),
    - des moyens (45, 46, 47) d'ajustement à la température qui présentent un élément dilatable (45) dont la direction de déplacement peut s'approcher ou s'éloigner de l'élément de réglage (30), l'élément dilatable étant rempli d'un fluide de travail qui subit une modification de volume lors d'une variation de la température et qui ainsi se dilate ou se contracte,
    - les moyens d'ajustement (41) et les moyens (45, 46, 47) d'ajustement à la température agissant ensemble sur l'élément de réglage (30),
    - l'élément de réglage (30) bistable étant un élément encliquetable et présentant une fonction d'encliquetage,
    caractérisé en ce que
    - un commutateur électrique (25) qui présente un premier état de commutation et un deuxième état de commutation est prévu,
    - en ce que l'élément de réglage bistable agit sur la fermeture de soupape (14) et sur le commutateur électrique (25) et présente deux positions,
    + dans une première position de l'élément de réglage (30), la fermeture de soupape (14) étant ouverte et le commutateur électrique (25) présentant le premier état de commutation,
    + dans une deuxième position de l'élément de réglage (30), la fermeture de soupape (14) étant fermée et le commutateur électrique (25) présentant le deuxième état de commutation.
  2. Ensemble de soupape selon la revendication 1, caractérisé en ce qu'une direction de déplacement des moyens d'ajustement (41) en rapprochement ou en éloignement de l'élément de réglage (30) est parallèle à la direction de déplacement du poussoir (15) de soupape, les directions de déplacement étant de préférence situées sur une même ligne.
  3. Ensemble de soupape selon les revendications 1 ou 2, caractérisé en ce que l'élément de réglage (30) est disposé entre d'une part le poussoir (15) de soupape et d'autre part les moyens d'ajustement (41), et l'élément dilatable (45).
  4. Ensemble de soupape selon l'une des revendications précédentes, caractérisé en ce que les moyens d'ajustement sont configurés comme moyens rotatifs d'ajustement (41) et présentent de préférence un filet (43) qui convertit un déplacement de rotation en un déplacement linéaire.
  5. Ensemble de soupape selon l'une des revendications précédentes, caractérisé en ce que les moyens d'ajustement (41) et l'élément dilatable (45) forment un module, l'élément dilatable (45) étant prévu de préférence à proximité d'une partie d'extrémité libre des moyens d'ajustement (41) située du côté de l'élément de réglage (30).
  6. Ensemble de soupape selon l'une des revendications précédentes, caractérisé en ce que l'ensemble de soupape (11) est un module ou en forme un.
  7. Ensemble de soupape selon l'une des revendications précédentes, caractérisé en ce que l'élément de réglage (30) bistable présente deux jambes (31, 36) d'élément de réglage mobiles l'une par rapport à l'autre, une jambe inférieure (36) de l'élément de réglage reposant contre le poussoir (15) de soupape et agissant sur ce dernier et une jambe supérieure (31) de l'élément de réglage reposant contre le commutateur électrique (25) et agissant sur ce dernier, les deux jambes (31, 36) de l'élément de réglage étant reliées l'une à l'autre de manière articulée ou reposant l'une contre l'autre dans une partie d'extrémité (34), en particulier la jambe supérieure (31) de l'élément de réglage agissant sur le commutateur électrique (25) par son autre extrémité libre (32).
  8. Ensemble de soupape selon l'une des revendications précédentes, caractérisé en ce que l'élément de réglage (30) bistable présente un ressort (39) contraint qui assure la fonction d'encliquetage.
  9. Ensemble de soupape selon l'une des revendications précédentes, caractérisé en ce que le commutateur électrique (25) est disposé sur un côté extérieur du boîtier (12a, 12b).
  10. Ensemble de soupape selon l'une des revendications précédentes, caractérisé en ce que le commutateur électrique (25) est un microcommutateur doté d'un levier (26) de déclenchement pour un déclencheur de commutateur ou pour l'élément de réglage (30), le levier de déclenchement étant de préférence coudé à angle droit au moins une fois et orienté par son extrémité libre dans une direction parallèle à la direction de déplacement des moyens d'ajustement (41) ou de l'élément de réglage (30).
  11. Ensemble de soupape selon l'une des revendications précédentes, caractérisé en ce que lorsque la fermeture de soupape (14) est fermée, un canal de dérivation de gaz situé entre l'admission de gaz (22) et l'échappement de gaz (23) est ouvert, le canal de dérivation de gaz présentant de préférence une section transversale comprise entre 2 % et 15 % de la section transversale de passage de gaz de la fermeture de soupape (14).
  12. Procédé de conduite d'un four de cuisson (50) à gaz doté d'un ensemble de soupape (11) selon l'une des revendications précédentes, caractérisé en ce que le commutateur électrique (25) est raccordé pour sa commande à un affichage de fonctionnement du four de cuisson à gaz, en particulier un affichage optique ou lumineux (55), l'affichage de fonctionnement étant branché dans son premier état de commutation par le commutateur électrique (25) et étant débranché dans son deuxième état de commutation par le commutateur électrique.
  13. Procédé selon la revendication 12, caractérisé en ce que lorsque la fermeture de soupape (14) est fermée, un brûleur à gaz (53) fonctionne ou brûle dans le four de cuisson (50) à gaz à une puissance de dérivation grâce à un canal de dérivation de gaz selon la revendication 11.
EP16165243.3A 2015-04-20 2016-04-14 Système de soupape et procédé de fonctionnement d'un four à gaz comprenant un système de soupape Active EP3086039B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL16165243T PL3086039T3 (pl) 2015-04-20 2016-04-14 Układ zaworowy i sposób eksploatacji piekarnika gazowego z układem zaworowym
SI201630649T SI3086039T1 (sl) 2015-04-20 2016-04-14 Ventilni sestav in postopek za delovanje plinske pečice z ventilnim sestavom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015207132.4A DE102015207132A1 (de) 2015-04-20 2015-04-20 Ventilanordnung und Verfahren zum Betrieb eines Gasbackofens mit einer Ventilanordnung

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EP3086039A1 EP3086039A1 (fr) 2016-10-26
EP3086039B1 true EP3086039B1 (fr) 2020-01-15

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EP (1) EP3086039B1 (fr)
DE (1) DE102015207132A1 (fr)
ES (1) ES2780187T3 (fr)
PL (1) PL3086039T3 (fr)
SI (1) SI3086039T1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993646A (en) * 1958-08-22 1961-07-25 Robertshaw Fulton Controls Co Combined temperature regulator and flame failure control
GB1530800A (en) * 1976-10-06 1978-11-01 United Gas Industries Ltd Thermally operated combined electrical switch and gas valve

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7400745U (de) 1974-04-11 Zeier H Halterung für das Flügelrad oder den Motor eines Lüfters
DE1986297U (de) * 1965-08-28 1968-05-30 Junkers & Co Thermostatgesteuertes ventil, insbesondere zum oeffnen oder absperren der gaszufuhr zu einem gasbeheizten geraet.
DE7400845U (de) * 1974-01-11 1974-05-16 Boecker Lampart Kochstelle, wie Herd, Einbaumulde für Anbaumöbel od. dgl. für Kuchen und dgl
DE2625561B2 (de) * 1976-06-05 1980-02-21 Behr-Thomson Dehnstoffregler Gmbh, 7014 Kornwestheim Regelkreis zur Durchflußregelung eines flüssigen oder gasförmigen Mediums
GB1594420A (en) * 1978-05-31 1981-07-30 Matsura S Safety device of the friction latch type releasable on extinction of a flame
DE19824871A1 (de) 1998-06-04 1999-12-09 Ego Elektro Geraetebau Gmbh Temperaturschalter, insbesondere einstellbarer Temperaturregler
DE102013218014B4 (de) 2013-09-09 2015-03-19 E.G.O. Elektro-Gerätebau GmbH Gasventileinrichtung und Gasgerät mit einer Gasventileinrichtung
DE102014216363A1 (de) 2014-08-18 2016-02-18 E.G.O. Elektro-Gerätebau GmbH Gasventileinrichtung für ein Gasgerät und Gasgerät

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993646A (en) * 1958-08-22 1961-07-25 Robertshaw Fulton Controls Co Combined temperature regulator and flame failure control
GB1530800A (en) * 1976-10-06 1978-11-01 United Gas Industries Ltd Thermally operated combined electrical switch and gas valve

Also Published As

Publication number Publication date
PL3086039T3 (pl) 2020-09-07
SI3086039T1 (sl) 2020-04-30
EP3086039A1 (fr) 2016-10-26
ES2780187T3 (es) 2020-08-24
DE102015207132A1 (de) 2016-10-20

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