DE1529077A1 - Thermoelectric fuse device - Google Patents

Description

Junker »'. 309 11/18/1966

JU V K EK 3 & C O. SMBH., Vernau / Neckar

lhermoclektr-iaehe ignition control device

The invention relates to a thermoelectric Ztind- ··> · Safety device with one and one pilot burner leading pilot gas line ala also to a main burner, leading main gas pipeline containing ignition fuel, The valve body has a valve stick with the bracing plate a Kagneteineatsee connected and from Linen Ventileit »Over an angle lever by means of a vertically sum valve stem The push-in and twistable switch rod can be lifted off and the anchor plate on the electromagnet of the magnet insert can be applied, which is held on to this, as long as the Electromagnet duroh on one of the ignition flawn

Thermocouple generated Tharmostrom is energized, with the Switching rod of the valve body of a downstream of the ignition unitu & g - valves only the main gas valve dominating the main gap line is guided varschiebenar against spring pressure in the axial direction, deeeen Geechloseen - or open position by a Steaarkurvenbahn bufltissmt, which is fixedly attached within the housing and which is open in the closing direction of the main gas valve Is) aii which when twisting the SabÄltstönge one at this attached Stetteretiff enttetngilei dead.

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Such thermoelectric flündei ^ ungvorricbtungen are known. An Auuführunsoforn) .Ut boiepieleweiae in the German Pat & ntecbrifb 1 135 & 47 t> 83dbrieben _? The ZüiidBicberungüventil and the main valve are arranged coaxially to each other, however, according to the last abatement of the description of this patent, the axis of the cylinder can be inclined against the axis of the main valve at an angle and that the ignition pin can be connected to the ignition pin been operated in the main gnavantile coupled Kobsl, win oa long time

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leads been let. Such thermal ignition devices are used to control the supply of gas, such as heaters, heat exchangers or heating stoves.

If such an ignition safety device is used, the leakage of the misaligned gas should be prevented if at- ~

Spielwftiae an interruption in the Saasufuhr occurs, • oiatir die lleaimen ttrlöichen, or if d »t VerlöBOhta der also a »ftfcdtrtn 3runde is called» Sa;

i · ■ · ■ - ·: '· .- ■■■■'' .... ·· · - ', - ^u . ■■ - p jwinchen gaBb ^ htitten «if plans or equipment were present, which after a long time and afterwards» shut down the equipment ^ Over a certain time · * • pangs still remain glowing, debs tin brtnnbarti oae-, air- ^ ecdach in these inflamed wifd _x if et eolbhen with glowing faces in Berührung'koost · can ο under Uietändtn ine more or less strong VerpuiJfims arise. Aua the reason is for you rare, fully heated Oerä-'co also whose Auaesi ¹ -operate a -. Safety for the cooling ffer heating-

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space required, eodaee at dl es <m about fresh sweet tea o'clock Gas can no longer be ignited - »Similar conditions can also occur through this» ä & it by actuating the Control button β of the ignition device, 'In particular During the sole period of the thermoclectrian ignition fuse unburned Gaa or Ge * Luft-Oemleoh bu the main burner can reach, eodaes also in such a case the demand after one about the effect of the thermoelectric ignition loop device beyond security is provided *

In order to prevent the outflow of burnt gas with certainty, locking devices have been provided on gas containment devices with thermoelectrical locking devices "which, after switching off," only allow the gas supply to be released again when the anchor plate has fallen off the magnet of the magnet. Belepieleweiee according to the German patent specification 1 124 443 such a locking device is formed in the side that a manually operated release coupling is provided between the Yereohlueekdrper of the ignition safety device and the magnet armature and is arranged in such a way that the opening actuated by the operating handle can be opened on one of the operating handle 'Hagnetanker associated coupling member engages. The operating handle actuates an axially movable and generally axially guided pressure lever, which pushes a non-rotatable, axially guided housing, fastened to the Haguetanker, whereby by turning the pressure element and the "unlocking device, the valve is removed from the valve

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known Gaeschalter 1st as a result of the coupling device quite complicated, so with a larger one Susceptibility to failure must be expected, soft, at. gas-heated devices because of the safety regulations can be accepted. In addition, one can such coupling device not to thernoelektrisohsn Ignition safety devices of the type mentioned above use »for soft the ignition valve la angle see below the Sctoaltange connected to the operating handle is ao £ · - -ordered, apart from the fact that because of the training of the non-rotatable coupling pin, which is attached to the magnet armature, no conventional magnetic insert is used can be. · "*

The object of the invention is therefore, un a thermoelectrically Ignition device of the type mentioned at the beginning To create locking device, weloha the restart of the device after a shutdown only then allows when the closing soul of the thernoelectrics Safety device has expired, i.e. the anchor plate has stopped The supply of thermal current from Thernoelenent from electromagnets of the magnetic insert dropped out and then the Zlind- '< Safety valve. Has passed into its closed position;

This task is carried out on a thermo-electric ignition fuse * Device of the type mentioned above genäse invention solved by combining the following features

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a) on the circumference of the housing head, the area of the control button is attached to a counter curve structure assigned to the control cam, which the pressing of the shift rods only in the Ignition position allows} -

b) on the housing downstream of the ZUndsicherungoventlls In known manner the tin ZUndgaeleitimg "dominant" Zttndgasventll is provided 'deseen valve *

* body of a holding curve track from iä OfÜfen arranged on a βμ £ dear switching gear · b * f! B »$ ifl; -th socket; "or bring Gesahlossenetstellung fcu istι

ο) the face of the beech, which is applied tightly to the free end of the switchgear Angle lever provided;

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d) the angle lever is in the direction of the ignition fuse - valve spring-loaded and with an approximately parallel «ur Sch Schaltang «verlauf« nden'dr | tt »n Ana v» reehen, 'd »eeea ^ free end «; ο · 1νΐΛ Aiweoi stop position twisted switch «· rod · abey with still held on the electromagnet Anchor plate of the Zündelcherungsventils in an aa scope the beech · attached hat »ijlraotet and from this» ret at »Falling off the anchor plate · of sheet metal again is resolved. . '

Due to the training according to the invention, a the device by turning the control knob into the Appearance of both the main gas and the gas valve

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brought into geechloesonposition, nodfcßa the gas supply both to the main burner and also to the ignition burner , 'although the ignition safety valve does not take its geechloeeenatstellung due to the anchor plate still held on the electrical circuit of the magnet inserto. A restart of the device by actuating the Ztindaicherungsvorrlchtung is only because of the existing locking leg direction only when the anchor plate of the magnet insert has fallen off the electromagnet and thus also the 2und8iche3: ung8ventil has taken its open position.

. Further details of the erfindungsgeiaSea zn Auebildung the Zündeloherungayorrichtung eind seen in -folgenden Hare acquisitions. This is how the Bteuerkurvenbahr. be provided with Raetstellüii, through which the Aueechalt-, ignition and open position beetiMBt.Furthermore, on the control button of the switch can be attached a suture, which acts on the counter-curve. The valve body of the ignition gas valve can also be moved into the open or open position by means of a switch pin engaging the main track. Expediently, provision can also be made for the free end of the third arm of the angle lever to be bent in the direction of the beech that is attached to the shaft. It is preferred that the three-armed angle lever be made of sheet-metal material.

The counterpart of the invention is illustrated in the following description with the aid of an example explained.

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1 shows a section through an exl'jndmigßgümäOB designed thermoelectric ignition heater in Auscebaltotstellung with closed ignition valve

2 shows a similar section through the device, iodoch in ignition positioni. '"··:.: .. ;;., - ..

■ Vlg »'3 .9p & n \ eeli9? W.fl6k & i% ätäob ά ± 9 _ί yoττl1A% wφi- ^: ■■ '^< ■■ but in the operating position}

FIG. 4 shows a section similar to FIG. 1 through dl Device in external division, in which however, the ignition lock valve has not yet reached its closed position as in FIG. 1;

FIG. 5 shows a section along the line V-V of FIG. 4.

The gate valve shown in the drawing consists of a casing 10 with a housing extension 1-1 flanged to a seal and a socket cover 12 fastened by screws. There are three valves in the casing 10 - Under gübracht and is war an ignition safety event 13 »· 1η INITIAL gas valve 14 and a main gas valve 15. For the valve body 16 doe 2 internal post valve 13 lsi; On a Zwieohenwaad des Sehöusos 10, a vent valve 17 fctblldetc 3) he valve body 6 · des ZilnäaiohevimgsventllB 13 forms in a known Wolse a longer part of a magnet system 18, softer

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is arranged in the housing approach 11. The valve body 16 of the ignition safety valve 13 is connected to the armature plate 20 of the Magneteineatzee 1Θ via a valve stem 19 bit. The armature plate 20 can be applied to the pole pieces of a sheet metal element 21, which is provided with a winding 22 pilot burner, not shown, can be heated. During the heating of the thermo element, this thermal current is supplied to the winding 22 of the electromagnet 21 of the Magneteineat & ee 18. The armature plate 20 and the electromagnet 21 with its winding 22 are housed within a protective capsule 23 of the magnet insert 18, at the end of which the valve stem 19 is passed is. Between the face of the protective capsule 23 and the. Valve body 16 of the ignition & safety valve 1? If a closing spring 24 is clamped in, which loads the valve body 16 in Sehlieaeriofctung. Via the magnet insert 18-1st attached to the housing attachment 11 by means of a screw connection 25, to which the thermocouple is also connected. Ser valve body 16 dos Zündsicherungeventile 13 can be pressed in from its valve seat 17 by means of a perpendicular to the valve stem 19 and lifted rotatable Schaltotange 26 and d dwroh the anchor plate are applied to the pole pieces of the electromagnet 21 dos Magneteinsäteee 18 20, to the armature plate 20 is held at the electromagnet 21 _r oölange the electromagnet 21 is excited by Thermöstron, which is from the thermocouple heated by the pilot flame

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is produced. The axial movement of the holding rod 26 is transmitted via an angle lever, generally designated by the reference numeral 27, which has an arm 28 and an arm 29 for this purpose. Are thereby can dae free end of the arm 23 brought 30 EUR system at the end face of a sleeve, which attached to the Switches In 26 iet _v while the free end dee Army 29 under the Yiirkung of the angle lever 27 stressful expanding spring 31 is constantly on the inside of the valve body 16 of the ignition safety valve 13 is applied. The socket 30 icfc in the vicinity of the housing cover 12 within the housing 10 is attached to the switch rod 26, the latter being passed through the housing cover 12 and provided at its free end with an operating button 32. The switch rod is attached to the switch rod the operating knob 32 and the GehäUeedeckel pushed 12 a return spring 33 _for which the Switches in 26 press with DCIC Bddisnungsknopf 32 constantly bu according auseen. tries ο Further, at the inner end of the shift rod 26, a valve body out 34 'which together with an at an intermediate wall of the. Housing 10 formed valve seat 35 ddt ■■ 'ready-mentioned main gas valve 15 forms. The valve body 34 "iet on the Sehaltotange 26 in the axial direction vesechiebber, and" was against the effect of a pressure spring 36 pushed onto the Sohalts.tange ■ 26 on " welohe the valve body 34 constantly beat in the direction of dae interior end of the switching rod 26 beauf "* at which an in Pigu 1 of the drawing Not t visible snap ring attached as an abutment for the valve body 34. iet which also acts as a driver for the valve body 34 di * »$ _r% .

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when the shift rod 26 moves outward. The closed or open position of the main gas valve 15 is determined by a cam track 37 which is open in the closing direction of the main gas valve 15 and forms part of the same on the inside of the housing cover 12. With the Steuörkurvenbehn 37, a control pin 38 attached to the socket 30 and thus old rod 26 connected to the shaft works together, softly sliding along the control cam path 37 when the switching rod 26 is rotated. On the outside of the housing cover 12, a head 39 concentrically surrounding the switching rod 26 is attached, on the circumference of which in the area of the control cam 32 a gate curve 40 assigned to the control cam 37 is attached, which allows the switching rod 26 to be pressed in only in the ignition position. For this purpose, ¹ forms a groove 41, which extends in the axial direction of the shift rod 26, part of the counter-curve spell. Purpose at the inner bore 321 of the operating button a 32 is only indicated in.;?! & »1 of the drawing with dot-dash dots; Anaate, 42 ai ^ eta * $ ht _t; w ^ '

lane 40 attacks and at »Bindrückn 4tr-la the ignition position twisted shaft 26 engages in the hat 41. Also the 8 control curve track 37 is old a load point 43 provided, which the delivery of the device is determined. Ausaer of these Haet-βteile is a 'further east point on the cam track 37 for the Auescfealtatell as well as a call parts 45 for the open division available. The already mentioned pilot gas valve 14 is on Housing 10 etroraab of the Zündoicbeningsventile 13 in to be calibrated

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known per catfish _f provided and that co is controlled by a valve '■ body 46 and .gebildet a valve seat formed on an intermediate wall of the housing 10 47, wherein the valve body 46 by an 8 to call it ed srf 48 be-laatet is. The valve body 46 - ■ dea. The ignition gas valve can be moved into its open or closed position via a switch pin 49t. For this purpose, the switching pin 49 ac whistles a holding cam track 50, which is formed αα circumference (Rr on the bushing 30 attached to the switching rod 26 26 in the ignition position causes the ignition valve H to open, with an incision running vertically in the axial direction of the extension rod 26 at the end of the part of the handlebar 50 extending in the axial direction of the switch pin 49 allowing the switching unit 26 to be pressed in in the ignition position while the adjacent part of the control panel 50 maintains the position of the ignition gas valve H during rotation and the locking rod 26 in the open position of the device 43 for the ignition position and the locking point 45 for the Of window division.

The housing 10 is provided with a gas inlet connection 101, eodass gas in the interior 51 of the housing 10 and the housing extension 11 can enter, jaus deia it when open

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Ignition valve 13 in the further interior 52 and eu housing 10, _{which is closed off by the, f} from which gas enters the ignition valve when the ignition valve is open, into the ignition gas valve 53 and via a non-calibratable ignition gas supply valve to the main ignition valve (not shown) when the ignition valve is open, for example can get into the main gas duct 54 »which is connected to the not shown main burner ULor a main gas outlet not visible in the drawing ·

The locking device according to the invention sees in it «<Uso the angle lever 27, as already mentioned, is loaded in the direction of the ZündeitJierungsventil 13 by the expanding spring 31 and is provided with a roughly parallel to the switching rod 26 extending third aria 55, whose free end bent in the direction of the socket 30 attached to the switching rod 26 and in the Ausohaltstellung twisted shift rod 26, but with the armature plate 20 of the ignition safety valve 13 still held on the electromagnet is singtrastet in a mounted on the circumference of the socket 30 Vat 56, which can be seen from Fig. 5, see below. This twist-arm winding lever is preferably made of sheet-like · Material and is made from the groove 56 on the circumference of the Buofcse 30 only when the anchor plate 20 falls off the electromagnet 21 of the magnet! naatzea 18 released again, as shown in the following » Description of the operation of the device more clearly c ·.

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In the In Flg. 1 switching off position of the thermo-electric ignition control device, all valves are closed, i. E., H. Both the ignition safety valve 13 and the ZUndgasvontil 14. and the main gas valve 15 call their closed division. To achieve the in fig. 2, the control knob 32 with the control lever 26, as well as the Aueeofcalt position set by the box parts 44 on the cam track 37, is rotated into the ignition pitch established by the locking point 43 on the cam track 37, whereby only the valve body is rotated 46 dee'ZUndgaiventilB 14 iron stineia valve seat 47 is lifted, since the retaining pin 49 is given a corresponding movement by the first part of the retaining rail track 50. Subsequent to this twisting movement, the control button 32 can be pressed in axially with the gearshift 26, the attachment 42 on the control button 32 'engaging in the hat 41 of the counter-web 40 and the end of the 8o-stop pin 49 on the control track 50 in the incision at the end of the · first parts * of the stop curve track 50, »soda ··« · ■ tltaigMTtBUX U «fia · OffenetellxiBg maintains. At »BintrUolMft 6tr Seteltptaag * 26 koaat dl · de» lauptgaerentil 15 sugvwandt · Forehead ··! T · dtr ilt you BohalteAog « H 'Terbundenen Buoh ·· 30 in contact with dt» free bath · de · Arne · 28 dt · Winkelbebil 27 and rtraohwenkt the oen b «i of the further pressure movement Yes the sense that« dae free «Sade de Ar» 17 takes off and the ■ it the? Entllkü? P «r 16 by means of the valve 19 alliance

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90984870252

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Armature plate 20 applies to the pole shoes of the electromagnet 21. The gate located in the inner room 51 of the GehMuoeo 10 as well as the Öehäuaeanaatzee can pass through the opened ignition valve into the interior 52 of the housing 10 and from there it is opened As is known, during this time the main gas valve 15 maintains its closed position, the valve body 34 to the main gas valve 15 being slidably guided on the Sobaltatange 26 so that the Sonaltatange 26 pass through the valve body 34 after the Hauptgaarau 54 bin can, wherein the compression spring 36 presses the valve body 34 dta main * gaaventile 15 on its valves! ti ^ 5. As soon as thsreoeleaent therncstrou from the ignition flaoaie to dia Wiok- '*' lung 22 of the electromagnet 21 the magnet inserts 18, and the electromagnet 21 is energized so that the armature plate is held by the electromagnet 21 without further pressure the operating button 32 old the switching rod 26 in selno outer position jurtlokgelaaeea be. When the sohaitatsag · ti "lrd <ar ftnUlkCrper 54 dts building gas valve 15 wtitarhia in ssls" r eeaohloaM & at position on the ventHaits 39 left, walose only with the subsequent turning of the operating button 32 shown in Fig. 3 in the operation division into the operation the device is changed. BaI a single twisting of the bathroom control knob 32 old of the holding rod 26 also through the east point 43 on the control cam 37 in the end position in the duroa

Kaetstelle 45 of the control cam, 37 boetlmnte open position, the driver attached to the free endo of the holding device 26 acts on the valve body 34 of the main gas valve 15 in the sense of dos opening deouelbon. As soon as the control knob 32 is rotated into this open division, the gas in the interior 52, dea housing 10 can pass through the main gas valve 15, which is in the open position, into the main outside 54 and thus reach the main burner , at which "you are staring through the burning Z.Andf.laHbe, Ha * ZÜndgafTentll 14 continues to be open" even when the JiediienuBgekanpfee is turned into the open position, because the last part of the holding curve track 50 bio-manufactures this position.

If now out of the division of operations of the device If the gas supply is to be shut off to the device, the operating button 32 with the switching rod 26 is also released by the handle parts on the control cam 37beatim the open position la the through the Raetetelle 44 on the cam track 57 rotated certain switch-off position. Babel goes through the main gas valve 15 ^ the effect of the compression spring? 6 in a Geechlöeeenstteilung back, just as well as the ZUndgasventll 14 under the effect its closing spring 48 is also in a Geeohlose position going back. The ignition safety valve 15, on the other hand, still maintains its open position and was no longer assisted by the pilot flame as long as all τοη the twmr during dee Period of its cooling nooh thenaoetroa to the winding 22 the electromagnet 21 is supplied so that the armature plate 20 during this period still from electromagnets 21 feet-

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ORIGINAL BATHROOM -16-

is held. If during this period of cooling the TliOi'ttoeluEcenteo the VerouoJi are cooked eollto turn the control button? 2 with the switchgear 26 back into the open division, the locking device by the Arn 55 dee Winkelhobele 27 goeeh & ffene comes into effect. Γρ. «Naolr the socket 30 bent towards fröiö end of the third Arneo 55 des Winfcelheb & lB 27 marries in the in Pig. 1 as a result of the Ariaeo 29 Dine position with a small gap au dex * Uii.fangeilätihe dier socket JO a. When twisting the operating principle i> 2 with the "Scheltatange. 2.6" in the ignition position determined by the regional 43 on the control curve 37, I do not change anything in this position the switch is suitable 26 and with the pivoting of the angle lever 27 the bent free end of the third arm of the screw cap 27 assumes a position between the inside of the screw cover 12 and the end face of the socket JO facing it, without closing it When you go back, the operating button 32 places the free end of the third / iraes 55 of the angled lever 27 on the flange surface of the socket 30, and it remains in this position when the operating button 32 is threatened with the switching rod 26 in the Oifeno division Turn back the operating button 32 with the switching rod © 26 into the switch-off position * shown in FIG. 4, in which the ignition safety valve 1 3 his open

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position still maintained, aia the end of this twisting movement the bent free end of the third Ariaos 55 the angle lever 27 can snap into the aai circumference of the bushing 30 attached groove 56, since an ole iron pivoting movement dös Wlnkelhehela 27 from the valve - ". body 16 de» Zundaicheriinfeventila 1 "3 auo no resistance enteegengeetzt ^ Boliingc the Zündaichorungsventil 13e maintains a frequent division. In this locked position of the fcvb ^ bent Eßdea fell of the third arm 55 dea Winkelhsbele 27 in the mounted on the circumference of the bushing 30 groove 56 is a rotation of the knob 32 with the Sohaltetang · 26 impossible from the Avaa ^ halt "telluiig in the open position, because the the third arm 55 of the roller lever 21 and the groove 56

An appropriate lock only forms when, after the thermoatrom supply has hardened, the armature plate 20 falls off the electroraägiieten 21 and the magnet armature 18 falls off and thereby the ycmtil body 16 of the ignition safety valve 13 on its valve side 17 Lurüokgoht, ah. dit (Jeechloeeenetellixng the Zündaicherungavtntils 13 occurs, the lock called by the locking device h> TTorg "is lifted again, since on going back the valve body" 16, the inside of which comes into contact with the free end of the army 29, the angle lever 27, swivels it and thereby swings it in equal measure the third arm 55 dos angle lever 27 is also pivoted so that the bent free end of the third arm is pivoted out of the groove 56. As soon as the lock caused by the locking device is released, ie the stop position with Zündeicherungsvent11 is reached in Oeechlossenstaltung according to Flg. 1, kejin a renewed rotation

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The operating button 32 is made with the holding rod 26 which means that the device can be restarted can be perfect.

You can of course according to the invention locking device be adapted to different sizes of thermoelectric ignition devices or to different opening paths of the ignition valve.

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Claims (1)

Junkers 30 < A η β ρ r Uc h β t 1. ; Thermo el eic triehe ignition device with a both a pilot gas line leading to a sin burner all also a main gas line leading to a main burner dominating ignition control valve, deeeen valve | body via a valve stem with the anchor plate of a Magnetοinsatzee connected and from his VentHaite over an angle lever means · an eenkreoht sun valve stem push-in and rotatable holding rod can be lifted off and thereby the anchor plate can be placed against the electromagnet end of the magnet insert, which is held on the eea, Concerns the electromagnet duroh at one τοη the Zundflaane heated thermocouple generated Theraoetroa energized let, whereby on the switching gear of the valve actuator an «etro» from the ZÜnileioherungeTtntile only Ale HanptgMlei- ^ main gas valve housing the main gas valve against spring pressure in axial direction irereohlebbar led, deeeen closed or open position duroh an * within the The housing is brawned in a fixed position, in the Bohliee direction of the Main gas valves open control, the curve path bed is learning which when turning the gearshift rod a on this attached control pin glides along, g e k e η η -, ft e 1 ο h η e t d ur ο h the union of the following 909848/0252 tv Characteristics: a) on the circumference of the housing head (39) is in the area of Operating buttons (32) of the shift rod (26) one of the Control cam track (37) associated counter-cam track (40) is attached, which the pressing in of the hold rod (26) only in fior end position euläest | b) on the housing (10) is downstream of the Zündflioherungsventlla (15) in the manner known to © in the ignition line _hexm @ h @ nam ^ fin & gasvestil (H) provided that the yentil body (46) is to be brought into the open or bottom position by a retaining track (30) arranged on the shift rod (26) attached to a bushing (30); c) the dam free end of the holding rod (26) facing The end face of the socket (30) is summed with an area Actuate the angle lever (27) veroehenj d 'the Winlcol lever (2 ^ ViSt in direction of the ignition safety valve (13) spring-loaded and with a third axis (55) running roughly parallel to the holding rod (26) ) , the free end of which is twisted when the holding rod ( 26), but with the armature plate (20) of the ignition suction valve (13) still held on the sheet metal magnet (21), it snaps into a cap (56) attached to the circumference of the socket (30) and does not come out of this until the armature plate (20) falls off the electromagnet ( 21) is redeemed. · 2. ZtindicherungTentil according to claim 1, characterized ge: ke η η ζ eich η et that the control cam (37) 9098 48/02 5 2 2Λ *. Junker »309 with East places (43 »44, 45) let through which the switch-off, ignition and open positions are open. 3 · ZÜndeioherungtTorrlohtufig according to Aiiepruoh 1, thereby g e k e η η s e 1 Ό h η e t, daw on the control button (32) an insertB (42) is attached to the holding rod (26), which attacks the countercurrent track (40). 4 «31ö ^» iöherim «# Torilöhtua ^ i ^ oh in # pr ^^ thereby ä ge ke η η aa Io h η et, the «the valve body (46> of the ignition gas valve (14) via one of the Haltckurrenb & hn (50) attacking switch pin (49) can be moved into the open or closed case. · 5. Ignition prevention after testing!, Thereby you know! eh net that the free end of the third arm (55) of the angle lever (27) in the direction after the bushing (30) fastened on the holding stage (26) is bent. ' 6. ignition safety device according to claim 5, characterized g β k en η se i oh η e t, that the three-armed V angled lever (27) consists of bleohartlgca material. BATH ORIGINAL 909848/02 5 2