DE1844862U - LEAK DETECTOR. - Google Patents

LEAK DETECTOR.

Info

Publication number
DE1844862U
DE1844862U DE1961L0030670 DEL0030670U DE1844862U DE 1844862 U DE1844862 U DE 1844862U DE 1961L0030670 DE1961L0030670 DE 1961L0030670 DE L0030670 U DEL0030670 U DE L0030670U DE 1844862 U DE1844862 U DE 1844862U
Authority
DE
Germany
Prior art keywords
detection device
leak detection
float switch
built
double
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.)
Expired
Application number
DE1961L0030670
Other languages
German (de)
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.)
Lechner & Sohn O H G J
Original Assignee
Lechner & Sohn O H G J
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 Lechner & Sohn O H G J filed Critical Lechner & Sohn O H G J
Priority to DE1961L0030670 priority Critical patent/DE1844862U/en
Publication of DE1844862U publication Critical patent/DE1844862U/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00Switches having at least one liquid contact
    • H01H29/20Switches having at least one liquid contact operated by tilting contact-liquid container
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00Uses or applications of pigs or moles
    • F16L2101/30Inspecting, measuring or testing

Description

e ue ru--.---n . 'iJ.-c tü. -LU. l-L'Jü. J-J.-ij . -1 . . U-. -. -J- u-ü'J : J. J< .aiid''ezur'upneo'T.'6'i-z'*o''"'psll'3ti."tc*3e''''te'r ei ein,-e- einer errflUssi'hait in einen Ausleiohs ; : ; ef'.'. ? übercht ; ird. ..' ?. ch en astlichen Vorschriften ist es erforderlich, Lajertanks fr eiz-oder Dieselöl entweder in eine flüssiheitsdichte Janne juli ! -, l-, e--tvl viLtle tl ;. Or-trO l t, it'-itZCz +'Tirt elne< ; l tfitanfg L.J.'-'H'..'.-,.'tU'JCJ.J.-J..Lt.;J-iCj. H. L. ..-L. tüic-ll :.'..-j. i.-. C. l Ü. . 1. '. ü-'i j, deren Stand S S 1, (7- e meist idn, i-, r.,-qn ein Leser --"erin- en -i-i.'-f-c.p.-''ejc'TnpntesT'"'r"'"'.e'''"taenen".'ird als o i n e zeit onlsihet'i*'")*'fT'o'**t'be't'''n'eni6i*tssiFlüssig- keit 'Ganit, wobei man ein Verdunsten dieser Kontrollflüssig- ZU (", c keit durch eine hberschichtunj it einer nur. gering flüchtigen derrfidssigkeit verhindert. spcß"'*'uerun'"*"''tonder*t.uf'"'besteun''aus ein Leckneldeger.t zu schaffen,'. .'elches eine zu-erlässige Lberwachung iLef} f-t. e<, er-', t zu Scí>a--SIqe ls-. el nes Sev e zuWTerl', ; ssige'-berairachung desLontrollflüssigkeitsspiegels ermöglicht, und hinsichtlich seiner dau. ele'aente einen geringen daubedarf aufa'eist. Außerdem soll die hontage der verschiedenen hydronechanischen und elektri- cc auteil vereinfacht n Vs <<'V-'ì-. {e f'. er-, r0, 4 rv'7 e-? wür C'-i-rti c'ilen It erunS . i-' i'--t.-\.'i.. ij.' .'U-, Lv. ', li L'.-t. J-'iiii . L-i-J. U. ii So r7 11 'T1'''.'.''1'r7"!-t'c'p-!""'c'.'r7'<"i-!'!"''''(.."i'!(r''!.''.-f-r'.-ß'"''''?''*'ITT'jclp- v v i v r J IC C t-.'v~ ; i'.', L-Ls rs y fm, l t n r s nPs vr t M¢v] rin--< ; 1. ~L'e . C^--ec] 1^ !',-. jiS 18,, t ~ , æ V-l e l tl cl 17c, n v < Jo. c'-, lt-r irl nor. la- C r i f u c J r > t r C f 3 v v (e r $ <i ri Z t * 7 f c ;-~ e ;, rv-u e, i, C sr > t ?,) U-2 C ev ì Q <> l lr. e n {D--f nH-ti n-i--n cc-Di-^"lCv'') t-ich vl ;-e in i. el : : <*<''-iy Q- ?' ; l- : :','-'qi">'1l-l-,'-" ; ; n"'p l',,'t'l""t"Te'V'rle't1 - J. '-'.l.'J-.L'-'-L---Ztt'-C,-.--..ü-J.--',--LJ.-L-i.l.i-Ji-L-'J Lt-t. r r j o'no rr Cl 1711 -ers er "2e e iic r r '''3?"'.'''3nndlpeienchlt7onu i6 '. noro UTlun e e e T, ! . e' '"'""'c''"TYn r'""'Qr'' !'""''''" clc Q f'''Mc''f'c'''t'"'*'P -'-'. 'ji.. d.--.. L'l., Lj-. ---. -L ''--'U--.''J.,--..'i.-J-J-. jtD L'J l\-'-.. iibk3b'J-.-- c-un U jw-'-'< CLi. Lt. iiu'J. cJ-U... L-''i-i -'---t. -j ; j-. c-'. iiiib. j. . . uj.-LJ- U st'2. nen. in3'7'c'r'6iL-i--. ae. inoic-nu-n si6n". ie s3Sunn c-cp cnwicr- ' :'c". i- ;. lters unmittelbar an der flexiblen Ctronzufhrnngsleitun '."er. nf iese.. ei&c'.'"ird J'.. ie er't. el'. lun.-, ernelicn vereinfacht, .-'-;'-!-'*!-,-T'n''"',''"-'''''j'.'!');c.'",''"-'"';."'-'.c' ' ; f Cl r Cx e T--i-r/~ ; Nv C 1n C r t) r V s r r ni P i 71i z l t z r ~ ~ ~-L Cz r G rb V Tj--rS-^ ° v rv. ì-. o "r J ; rilC rk, L ; Irs, le. JGS en, c, 0 e ;.-nn an jedoch'"j. ch eine andere natteru-n des chuinaerechlters im UO r u 7-, n L ; C"''<TY1'Ci'' ! 1t f'1"QT'''S*, C. 1''''T.". 1.'"'* ?'"'' !''*'' !''"'* !''"'Y'''"'t' T !"t1' !'r/'pT1 n"-"'r"'.'''rr'-'Tr''r'":;'G'''"'' jLt. vL'-'JLii-.-im.-t. l'. j. i. . <.'. j.-J... j. : L.-i :'. Cu o .. L'-i-- J-< LL< (, ! ' ...,"Co"'t'"'""'",., 11 . L',-.-. JJ. ii) , Ud. JJ-J-ü J-.-L-J. Ü. -L-i.- j'.-'...'J-.--'J.. '-. -L-L U-iit. L. ii J-C\. -'--Tc"-. t'nf""". c ßn c'T' in"er lier- i-i e u.Lj-,.i<.'j--.'U.. J'-i-ü-iiit'lii-L . <cj, ii'-, u-'-.-. '.-i.''- -J. .-L'i.-L-LC-J-'ii U-.-l. riLJLve c>l¢S 3t ein'> it {ucç. G'«'le e i c'. lu.'' ti f ie V r i-,. un cleitlm,, 7, enr >, u. tKl ('es do ? Ftel ^, n jis, en rudlat e als jaueinhoi't auszubilden,'.'.'eiche einen nschlu ? . r lie Vcr inlun'sleitu. ng' su ZiLchenran es donpelandigen . j'-i.. b'J.. tj U. ;-Lo c-ldi . c-Hb. LJ-t-H..) , U. ...'.'ü* L--L J-. . t.-LC lindunoienente zur 71s ? ijkeitszufünrunj und der Stromversorgung in etriel.'-'enorien werden kann, en 'rr-ne-r-, n U-e r Iner cichnun'ist der Gegenstand der technischen Neuerung an einen Ausfahrun sbeisniel erläutert : ... an erkennt einen doped'.'/andi'en heiz-oder hieselodlaa'ertank 1, 'T''''C'"*"'Ct' f\nTT'f1* !."'''1'-.--L,-', T1,-T-"nC'rlp-Dc'p'P'a ..'-i. -. '-'J-i. . -L J. \. u-'iJ.. U----i-'jL. L. --- -. i . ', L'L'-i'L'-L.. J . e- :''. e ~-^el>>e ; ezr-,'ets v-s Dz1-1 erL ist. I-Inne-<e. l r'cLs r'epförniÓ te. Xu, cS ic'Lt ; eF-, en + 2 f, f, 5 i<-'. reit. õber- r"r,,;c.rt'.'.'.''T-.t'''Q"'oY'''-Qc;'y''"'"'j'jn'Jenist'"'Tnen z'nrfömi' -r-en l,'xruno'- l'l. dclie der Kontroll-oder Snerrflassia'keit 4 schiGender in nabel 6 an einer naitedurchfnhrun 7 befestigt. In einen Äbdeck- zur Kon- Verbindung saichen der Kontrolleituna'2 und den ÄusleichsefäB 3 1,... L. 0. 11 ;",,- {-'rot''t C' (ì,",, ( : (1" ; 0','v\+,", I-O iY1" ; n, F\"}-, C-<+'" :'Q "",..., <. : : ; v~,,, C,.. L"v~v, l, ; ;.... C,. L. L."'. '"t--f. 1o'' {-tT. 1'"'*) f'<*'0" 0. 'T'''T ßßß o e 1"U r d 11 t ; 14 C e r ? X q ;-E t [. v v W C ~s Z U1 K o 1 eLenLles t ern en r^-,, ? e 1'7 elche beim Auftreten einer Störung aufleuchtet. Zusätzlich kann ein akusti- sches arngerät vorgesehen sein, das durch einen Schalter 13 abgeschaltet werden kann, uahrend die Signalanzeige der'.. arn- lampe 12, von der Schaltung des akustischen. tarnelementes unab- hängig, solange bestehen bleibt, bis die einmal aufgetretene Stö- 13 LD runde behoben worden ist. Das Ausgleichsgefäß 3 und die äußere Um- z5 0 hüllung ëtes chirnnersclalters 5 bestehen aus einen ölbeständi- gen Kunststoff. Die uecksilberschaltröhre uird zusammen mit der flexiblen Verbindungsleitung 6 durch eine Gießharzfüllung in der CD Eunststoffumhüllung des chwimerschalters 5 gehalten. Zur Ent- lüftung des Ausgleichsgefäßes 3 ist ein Belliftungsverschluß 14 vorgesehen. Der 3elüftungsverschluS 14 kann außerdem als Kontroll- öffnung benutzt werden. e ue ru --.--- n . 'iJ.-c tü. -LU. l-L'Jü. Yy-yy -1 . . U-. -. -J- u-ü'J: J. J < .aiid''ezur'upneo'T.'6'i-z '* o''"'psll'3ti." tc * 3e ''''te'r ei a, -e- one errflUssi'hait in a loan; :; ef '.'. ? overlooks; earth. .. '?. According to legal regulations it is necessary to use lajertanks fr eiz or diesel oil either in a liquid-tight Janne July ! -, l-, e - tvl viLtle tl;. Or-trO lt, it'-itZCz + 'Tirt elne <; l tfitinfg LJ '-' H '..'.- ,.'tU'JCJ.J.-J..Lt.; J-iCj. HL ..- L. tüic-ll: .'..- ji-. C. l Ü. . 1. '. ü-'i j, whose status SS 1, (7- e mostly idn, i-, r., - qn a reader - "remember -ii .'- fc.p .- ''ejc'TnpntesT'"'r"'"'. e '''" taenen ".' is called oine Time onlsihet'i * '") *'fT'o'**t'be't'''n'eni6i * tssiFluid- ganit, whereby evaporation of this control liquid TO (", c ability through an upper class unj it only one. low volatility Influence prevented. spcß "'*' uerun '" * "''tonder * t.uf'"'bestun''from a Leckneldeger.t to create '. .'which is a reliable surveillance iLef} ft. e <, ers', t zu Scí> a - SIqe ls-. el nes Sev e zuWTerl ',;ssige'-berairachung of the control fluid level, and with regard to its long ele'aente has a low need for daub. aside from that should the assembly of the various hydronechanical and electrical cc auteil simplified n Vs <<'V-'ì-. {e f '. er, r0, 4 rv'7 e-? Would C'-i-rti c'ilen It erunS . i- 'i' - t .- \. 'i .. ij.'.'U-, Lv. ', li L' .- t. J-'iiii. LiJ. U. ii So r7 11 'T1'''.'.''1'r7"! - t'c'p -!""' C '.' R7 '<" i -!'! "''''(.." i ' ! (r ''! .''.- f-r '.- ß'"''''?'' * 'ITT'jclp- vvivr J IC C t -. 'v ~; i '.', L-Ls rs y fm, ltnrs nPs vr t M ¢ v] rin - <; 1. ~ L'e. C ^ - ec] 1 ^! ', -. jiS 18 ,, t ~, æ Vl el tl cl 17c, nv <Jo. c'-, lt-r irl nor. la- C rifuc J r> tr C f 3 vv (er $ <i ri Z t * 7 fc; - ~ e;, rv-u e, i, C sr> t?,) U-2 C ev ì Q <> l lr. en {D - f nH - ti ni - n cc - Di - ^ "lCv &quot;) t-i vl; -e in i. el: : <* <'' - iy Q-? '; l-:: ',' - 'qi ">' 1l-l -, '-";; n "'p l' ,, 't'l""t"Te'V'rle't1 - J. '-'. l.'J-.L '-'- L --- Ztt'-C, -.-- .. ü-J .--', - LJ.-Li.li-Ji-L -'J Lt-t. rr j o'no rr Cl 1711 -ers he "2e e iic r r '''3?"'.'''3nndlpeienchlt7onui6'. Noro UTlun e ee T, ! . e ''"'""' c ''" TYn r '""' Qr ''! '""''''"clc Q f'''Mc''f'c'''t'"'*'P -'- '. 'ji .. d .-- .. L'l., Lj-. ---. -L '' - 'U -.''J., - ..' i.-JJ-. jtD L'J l \ -'- .. iibk3b'J -.-- c-un U jw -'- '<CLi. Lt. iiu'J. cJ-U ... L - '' ii -'--- t. -j; j-. c- '. iiiib. j. . . uj.-LJ- U st'2. nen. in3'7'c'r'6iL-i--. ae. inoic-nu-n si6n ". ie s3Sunn c-cp cnwicr- ':' c ". i-;. lters directly on the flexible Ctron feed line '. "er. nf hese .. ei &c'.'" ird J' .. ie er't. el '. lun.-, ernelicn simplified, .-'-;'-!-' *! -, - T'n ''"',''"-''''' j '.'! ');C.'",''" - '"';."' - '. c'' ; f Cl r Cx e T - ir / ~; Nv C 1n C rt) r V srr ni P i 71i zltz r ~ ~ ~ -L Cz r G rb V Tj - rS- ^ ° v rv. ì-. O "r J; rilC rk, L; Irs, le. JGS en, c, 0 e; .- nn an however '"j. ch another natteru-n of the chuinaerechlters im UO ru 7-, n L; C "''<TY1'Ci''! 1t f'1" QT '''S *, C. 1''''T.".1.'"'*?'"''!'' * ''!''"' *! ''"'Y'''"'t'T!" T1 '!' R / 'pT1 n "-"'r"'.'''rr' - 'Tr''r'":;'G'''"'' jLt. vL '-' JLii -.- im.-t. l '. ji. <. '. j.-J ... j. : L.-i: '. Cu o .. L'-i-- J- <LL <(,! ' ..., "Co"'t'"'""'",., 11 . L ', -.-. YY. ii), Ud. YY-Y-ü Y -.- LJ. Ü. -Li.- j '.-'...' J -.-- 'J ..' -. -LL U-iit. L. ii JC \. -'-- Tc "-. T'nf""". c ßn c'T ' in "he lier- ii e u.Lj - ,. i <. 'j -.' U .. J'-i-ü-iiit'lii-L. <cj, ii'-, u -'-.-. '.-i .''- -J. .-L'i.-L-LC-J-'ii U -.- l. riLJLve c> l ¢ S 3t a '> it {ucç. G '«' le ei c '. lu. '' ti f ie V r i- ,. un cleitlm ,, 7, enr>, u. tKl ('es do? Ftel ^, n jis, en to train rudlat e as jaueinhoi't, '.'. 'eiche a connection? . r lie Vcr inlun'sleitu. ng 'su ZiLchenran es donpelandigen . j'-i .. b'J .. tj U.; -Lo c-ldi. CH B. LJ-tH ..), U. ... '.' Ü * L - L J-. . t.-LC lindunoienente for the 71s? ijkeitszufünrunj and the power supply in etriel .'- 'enories can be, en 'rr-ne-r-, n Ue r Iner cichnun'is the subject of the technical innovation explained in an example: ... to recognize a doped '.' / andi'en heiz-oder hieselodlaa'ertank 1, 'T''''C'"*"'Ct' f \ nTT'f1 *!. "'''1' -.-- L, - ', T1, -T-"nC'rlp-Dc'p'P'a ..'- i. -. '-'Ji. . -L J. \. u-'iJ .. U ---- i-'jL. L. --- -. i. ', L'L'-i'L'-L .. J . e-: ''. e ~ - ^ el >>e; ezr-, 'ets vs Dz1-1 erL is. I-inside- <e. l r'cLs r'epförniÓ te. Xu, cS ic'Lt; eF-, en + 2 f, f, 5 i <- '. riding. over- r "r ,,; c.rt '.'. '.''T-.t'''Q"'oY''' - Qc; 'y''"'"'j'jn'Jenist'"' Tnen z'nrfömi ' -r-en l, 'xruno'- l'l. dclie the control or sensibility 4 hits in umbilicus 6 attached to a naite passage 7. In a cover to the con- The connection is between the control unit 2 and the external body 3 1, ... L. 0. 11; ",, - {-'rot''t C '(ì," ,, (: (1 ";0','v \ +,", IO iY1 "; n, F \ "} -, C - <+ '":' Q "", ..., <. ::; v ~ ,,, C, .. L "v ~ v, l,;; .... C ,. LL"'. '"t - f. 1o''{-tT.1'"'*)f'<*'0"0.' T '''T ßßß oe 1 "U rd 11 t; 14 C er? X q; -E t [. vv WC ~ s Z U1 K o 1 eLenLles t ern en r ^ - ,,? e 1'7 elche at When a fault occurs. In addition, an acoustic sches arngerät be provided, which by a switch 13 can be switched off while the signal display of the '.. arn- lamp 12, from the circuit of the acoustic. camouflage element independent pending as long as it persists until the fault that has occurred once 13 LD round has been fixed. The compensation tank 3 and the outer z5 0 casing ëtes chirnnersclalters 5 consist of an oil-resistant gen plastic. The mercury interrupter and the flexible connection line 6 through a resin filling in the CD Plastic casing of the float switch 5 held. To develop The expansion tank 3 is ventilated by a bell-lifting lock 14 intended. The ventilation lock 14 can also be used as a control opening can be used.

Claims (1)

S c h u t z a n s p r ü c h e 1.) Leckmeldegerät für doppelwandige, zur Aufnahme von Heiz- oder Dieselöl bestimmte Behälter, bei denen der Stand einer zwischen Innen-und Außenmantel eingefüllten Kontrollflüssig- keit ggf. unter Zwischenschaltung einer Sperrflüssigkeit in bo 1, t-D CD einen Ausgleichsgefäß überwacht uird, d a d u r c h g e- k e n n z e i c h n e t, daß in dem Ausgleichsgefäß ein Ccb7immerscha. lter mit Quecksilberkontaktrohre beuegbar in
solcher Lage eingebaut ist, daß beim Absinken der Kontroll-bzw. Sperrflüssigkeit unter ein zulässiges Niveau durch Kontaktgabe ein mit Signalelementen versehener Warnstromkreis geschlossen wird. 2.) Leckmeldegerät nach ~-Anspruch 1, d a d u r c h g e k e n n-
z e i c h n e t, daß der Schwimmerschalter mit Hilfe einer elastischen Stromzuführungsleitung im Inneren des Ausgleichs fäßes gelagert ist.
Protection claims 1.) Leak detection device for double-walled containers designed to hold heating or diesel oil, in which the level of a control liquid filled between the inner and outer if necessary with the interposition of a barrier liquid in bo 1, tD CD a compensation tank is monitored, thereby indicates that there is a Ccb7immerscha. lter with mercury contact tubes foldable in
such a position is built in that when the control or lowering. Barrier fluid below a permissible level is closed by making contact with a warning circuit provided with signal elements. 2.) Leak detection device according to ~ claim 1, dadurchgeke n n-
records that the float switch is stored with the help of an elastic power supply line inside the compensation tank.
3.) Leckmeldegerät nach Anspruch 1 oder 2, d a d u r c h g ek e n n z e i c h n e t, daß das Ansgleichsgefäß mit eingebautem Schwimmerschalter und den elektrischen Bauelementen des Warnstromkreises einschließlich der akustischen und/oder optischen Warngeräte als Baueinheit gebildet ist, welche einen Anschluß für die Verbindungsleitung zum Zwischenraum des doppelwandigen Behälters soie einen Hetzanschluß aufweist. 4.) Leckmeldegerät nach einem oder mehreren der vorangegangenen
Ansprüche, d a d u r c h g e k e n n z e i c h n e t, daß das Ausgleichsgefäß und/oder die äußere Umhüllung des Schwimmerschalters aus Kunststoff gebildet sind.
3.) Leak detection device according to claim 1 or 2, dadurchg ek en nzeich that the compensating vessel with built-in float switch and the electrical components of the warning circuit including the acoustic and / or visual warning devices is formed as a unit, which has a connection for the connecting line to the space between the double-walled container soie has a Hetzan connection. 4.) Leak detection device according to one or more of the preceding
Claims, characterized in that the expansion tank and / or the outer casing of the float switch are made of plastic.
DE1961L0030670 1961-11-09 1961-11-09 LEAK DETECTOR. Expired DE1844862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1961L0030670 DE1844862U (en) 1961-11-09 1961-11-09 LEAK DETECTOR.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1961L0030670 DE1844862U (en) 1961-11-09 1961-11-09 LEAK DETECTOR.

Publications (1)

Publication Number Publication Date
DE1844862U true DE1844862U (en) 1962-01-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE1961L0030670 Expired DE1844862U (en) 1961-11-09 1961-11-09 LEAK DETECTOR.

Country Status (1)

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DE (1) DE1844862U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194209B (en) * 1962-10-08 1965-06-03 Mannesmann Ag Leak indicator for a double-walled heating oil container with an indicator liquid in the space between the walls
DE1600375B2 (en) * 1967-06-22 1970-12-23 Schrag Kg Eugen Remote supply system with devices for monitoring the tightness of the supply line
DE3503833A1 (en) * 1984-02-13 1985-08-14 Emhart Industries, Inc., Indianapolis, Ind. DETECTOR ARRANGEMENT FOR FLOWING MEDIA

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194209B (en) * 1962-10-08 1965-06-03 Mannesmann Ag Leak indicator for a double-walled heating oil container with an indicator liquid in the space between the walls
DE1600375B2 (en) * 1967-06-22 1970-12-23 Schrag Kg Eugen Remote supply system with devices for monitoring the tightness of the supply line
DE3503833A1 (en) * 1984-02-13 1985-08-14 Emhart Industries, Inc., Indianapolis, Ind. DETECTOR ARRANGEMENT FOR FLOWING MEDIA

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