DE1615606A1 - Liquid seal between areas of different pressure, especially for electrical cables - Google Patents

Description

Sr KSIn 106931, iron 203 «2

Abs .: Potentonwalf Dipl.-Ιββ · SCHUBERT, 59 Siegen, Eiserner Sirafie 227 Deutsche Bank AG.,

P.O. Box 325 branches Siegen and Oberhausen (RhId.)

67 050 bottle / smear

June 2nd, 1967

ASSOGIAIiSD ELECfRICAL INDUSTRIES LIMITED, 33 Groavenor Place, London, S.W.T., England

For this application, priority will be given to the UK Patent application Kr. 26 540/66 of June 14, 1966 claimed.

Liquid separation between areas different pressures, especially for electrical cables

The invention relates to liquid seals, which are formed between areas of different pressure, the seals allowing an elongated flexible component in a continuous manner from one area to let them happen one after the other. The commonly known barometric Arm seal / barometric arm seal / is a seal «Wipe areas of different pressure and assigns i«

BATH ORIGINAL 009823/0497

essentially a vertical tube on »its lower end below the surface of a liquid In eii-ea. open Container dips b «w. flows out and its other ends with a sheath Terbunden is »in which a pressure prevails, the lower than that which is on the surface of the liquid. A column of liquid will go up the agitator down to one The height at which it equalizes the pressure between the two areas. Venn guide means, such as rollers, en the upper and lower ends of the pipe are provided, an elongated flexible member, such as a cable core bsw. a cable core, from one area to the other through the the tube containing the liquid column is passed through it, and the fluid prevents pressure equalization between the two areas. If the pressure difference between the two areas is very large and the visibility of the liquid is low then the pipe must be very high around the column of liquid to accommodate, which bleaches the pressure difference, and that can be very uncomfortable biw. be obstructive.

It is a purpose of the invention to be an input or Exit seal / entry or exit seal / for an elongated flexible component «wipe an area of reduced pressure Provide in a jacket and atmospheric pressure outside the UsMisntelung, which, however, compared to the general

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known barometric array an improvement represents.

According to the invention, a device, which as Entrance or exit seal for an elongated flexible component between an area of reduced pressure in one Jacket and atmospheric pressure outside the jacket suitable, an open container, which contains a certain amount of liquid, a Erete implementation or line, their one end extends into the container below the surface of the liquid located therein extends into and the other End to join with the inside of the jacket is, a «wide implementation, that with the first implementation in connection. is a pumping device in the said "width Implementation, as well as means for guiding elnaa elongated flexible components - in continuous Veise - «wipe the Surface of the liquid in the container and the casing through said first passage, wherein in the operating state Liquid flowing along the first passage as a result of a Pressure difference * «wipe the surface of the liquid and the area of reduced pressure in the shroud is, by the Furap device after the container along the A further purchase is continuously demanded back *

009823/0497 BAD OBOMAL

The pressure of the stretching along the wide duct Liquid can counteract the pressure difference which the liquid wings up the first passage, for example. presses, and consequently the Qesamtdruek, whence the liquid pushes up the first implementation, redoing it, and the height of this implementation can be reduced.

In one embodiment of the invention, the first implementation and the “long implementation” each a pipe Parts on which are arranged substantially vertically and at or in the height of their upper ends mitχela are connected to an arcuate tube. Lie lower The ends of the two tubes are connected to the upper container below the level of the liquid contained therein, and a Kebteileetüok / by-pass portion / of the first passage extends upward from there near the upper part of it and int «wipe its ends with the second Execution at a higher level than the junction between the wide opening and the arched one Pipe connected. The difference in pressure «wipe the surface of the liquid in the container and the evacuated jacket causes the liquid from the container to be tubular Part of the first implementation is pushed upwards. That The moment of the liquid brings you dasu, past the open end of the Lebenrörjhe and, among other things, the arched tube

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to "an upper sod" and do tubular parts of the "wide passage hia *" stt * tr0aen> clay & · τ * η bottom • 1 · in the open container aurttokgepuapt, whereby "la continuous? lü"" There is a long-term flexibility guarantee that you can go into the open cold room - • i " _f dl • erett implementation up" and then the dvuroh da * Leben tube hindu into the U "san-Ielun" be leased or guided. The continuous flow of fluids around the device keeps the yiüeeigkeit daron at, the Hvftarote? eatlaag and in the wrapping put in or demanded iu evaluate »

If the invention is carried out a second time, it will be retired see a tubular piece of the first passage and the wide Durohead at their upper baths into a hollow one Tank into it, which is connected to "an" upper EnAe with the U * jacket connected. There "lower end of the" wide implementation let us connect the pu »pe hinduroh with de» eberea container, whichever the liquid contains u "d old welehea da" lower Bathing of the first Durohead on elaea lireau under the surface of the sea let the liquid be bound. The Umtereehied la Druok

BATH

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■ wipe the inside of the casing and the surface of the Liquid in the container drives the liquid up the first passage and into the tank. The liquid ■ level in the tank begins to rise, and the liquid flows from the tank down the return line and becomes the aid of the bit Pump delivered into the open container. Duron control bsw. Regulation of the pumping rate / can control the liquid level must be kept constant in the tank, and the liquid will not allow it to rise high enough to enter the Sheath get into it. Hollen are at the bottom of the first • implementation and in the included BSW. jacketed tank Yorgesehn to create a flexible elongated component between the Lead surface of the liquid contained in the open container and the casing.

The invention finds particular application in tingangs- and Aue _t .angsabdichtungen, one being at each end of an evacuatable and heatable jacket Torge See, in which a cable core "of one or more bsw Ronduktoren. Has conductor »which are insulated with a paper dielectric, is heated in order in this way to dry the paper dielectric and to degas it. If the liquid contained in the two seals is an electrically insulating impregnation agent, and the cable core in a continuous whiteness of the atmosphere through such an inlet seal and into the jacket and out of the jacket through an outlet cover to the atmosphere

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is directed towards, the liquid serves in the second seal dasu, impregnate the heated and dried cable core when it is passed through it. Sine Solo arrangement for continuous drying and impregnation a cable core is described in the pending German patent application A52 970 VIIId / 21o (attorney's file 66 066) and claimed

The invention will now be based on it, for example reproducing drawing explained in more detail «and swar seigt

Fig. 1 is a sectional front view of a device according to one embodiment of the invention, welohee for leading a non-jacketed electrical cable core is suitable through this

FIG. 2 is a side view of the one shown in FIG

Device,
Fig. 3 is a cutaway front view of an apparatus

giving a "broad" execution form of the invention,

Fig. A is a side view of the device shown in Fig. 3, while the

Flg. 5 «into the side view of the device and another Embodiment of the invention «

All the maintenance screens of the SrfIndüng show a liquid semi / on, which for the

009823/0 497 ßAO O _{R {GlNAL}

Withholding · »bsw« Maintaining a differen la pressure «Wipe the inside of an evacuable casing and that XuSercn the sheathing suitable let »while sugel & sssn will, whether an uncovered electrical cable core or one not sheathed electrical cable core «wipe the inside and the outer layer of the sheath is passed through the rittesigkeltsabdichtung.

Oemät the Figs. 1 and 2, the seal has a first passage which includes a pipe 1 extending upward. The lower end of the tube is connected by a branch to a tube 2 provided with two branches, the lower end of which protrudes into an open container in the form of a tank 3 below the surface of a liquid in the tank. The upper end of the tube 1 is connected to connected to one end of a generally arcuate tube 4, the other end connected to just below the upper end of a vertically arranged pipe 5 which forms part of a wide main duct.The other branch of pipe 2 is connected to the outlet of a pump 6, and the opening of the pump is connected to the lower end of the pipe 5. The bypass tube / 7 extends from a point near the upper end of the pipe 1 to a jacket 9, and the pipe is at its ends connected to the upper bark of the pipe 5 · The woven pipe 7 protrudes upwards from the connection with the pipe 1, and rollers 10 are in the lift nrohr 7 e as well as

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In the pipeline Z attached sun lead «in ·· Kalwlkern ·, indicated by the · bends * oak 11, duroh dl · ·· hinduroh, if« r through means (not the «·· divides) in one or the other other direction »as the surface of the liquid in the tank 3 and the casing 9 is bent. The liquid is fank 5 la * an electrically insulating impregnating material, which "at" giving temperature "freezes a liquid"! bew. er "t" rren / freeae / kmna, "ad im dft * Ättrial la eeinea flüeeigea Zuetmad xu hmltea, 1st ·· required, dl · pipes 1, 5 and 7 i as well as" pipeline 2 most of your Utage " it «la ·« coat 12 tu through which steam is passed.

The tank 5 1 * opened opposite ataeephÄrieehe »Druok, and when the casing 9 is eralraiert i« t _f , liquid is sucked up from the tank because pipe 1 is open and since the throat of the pipe ·· 1 eo is chosen so that it is nmr a little larger than the one of the biggest label kernels · i * t »which are passed through dl« ··· hinduoh ioU, ioU, iet a larger portion of the cross center of the · tubes · t filled with * a * «oil kernels, and the aneaugdruok b «W, Saugdruok la dl · ··« Soar i * t eo, dal dl · fluid »really fast because the pipe is sucked up · The persistenceeyermtJgen the fluid let» if el · dl «t * rbindung parts likeohen the pipes 1 and 7 redeemed, enough

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GROI _f is brought the di · liquid DAEU "shoot su over the joint and into as" pipe 4 into it, of wtlohea ago it is conveyed by the pipe 5 of the "wide implementation, and" was on a level below the connection " Between the pipes 7 and 5 liquid which is sucked into the bore 7 from the pipe 1 either returns into the pipe or is passed along the pipe 7 and flows into the pipe 5. The pipes 1 and 5 have a circular cross-section and 4a. » Drill 5 to a larger diameter than hole 1, so that the liquid fails to fall down pipe 5 as a result of gravity as it is sucked up pipe 1, and this prevents a build-up of fluid in pipes 1 and 4 The liquid which collects on the lower ends of the tube 5 is pumped back through the tube 2 to the tank. The reflux of the liquid from the top through the pipe 2 is directed against the upward flow of the liquid through the stirrer and was due to the vacuum, and this prevents the downward movement of the liquid along the pipe 1 . The liquid can be refluxed back into the container 5, if necessary, through a separate pipeline.

The in FIGS. 3 and 4 shown «Execution for» of the invention is that in the 'ign. 1 and 2 reproduced Execution for * similar, except that the tube 4 and

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since · Xebenrohr 7 »which · in dta Pign« 1 and 2 are shown, In fora «ine« hollow closed tanks 14 are combined, to which the upper ends of tubes 1 and 5 are connected A series bi-.w · a series of τοη rollers 15 and in the tank provided « Eehen and serve dasu, an uncovered cable core 11 tob Insert the upper end of the tubes 1 into a tube 16 below » which runs from an upper part of the tank near the casing 9. D-.is tube 1 »the tank 14 and the tube 16 form • together with part of the first run.

Liquid, soft the pipe 1 of the first bushing with it a considerable speed - through the Dlfferens In the printing awieohen the casing 9 and the surface dee Container 3 <- · is sucked up »aohläge at the top of the tank aa and falls down where it there · pipe 5, which · part of the • Forms a wide passage, flanks under and in the middle of the pump 6 near the tank 3 «urüokrequired« the branches of the · pumps · medium · the pump 6 is chosen so that the level of the liquid in the tank U does not rise to the height of the pipes 16 ", which runs after the casing 9

Another form of the invention is disclosed in Pig. 5 , a hollow closed tank 18 is connected at a lower end to the upper end of a bend extending upwardly a pipe 20 and also to the

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BinlaOpen a Pnpt 6 Mitt ·! * «Int · kursen pipe ·» 21 · The opening of the pump let alt «in» ρ «wide branch of the tube £ 0 at the depth of the container «27 connected · the Sheath 9 let duroh «In · tubular · line 19 hinduoh Connected to the upper end of the tank. The cable core will swlsohsn a liquid surface in an open tank du pipe 20 of the first Durohführung up and vertically through the Tenk 18 hinduroh and into the casing through the tubular · pipe 19 hinduroh headed «if the sheath 19 let evacuated, liquid from the container 27 is duroh since the pipe 20 is passed back and into the tank 18 »welohen si · EU begins to fill. Liquid is drawn from the tank by means of the ftap · 6 peeled off and attached to the container at a rate eurüok promoted, which earlier shares that the level of the liquid in the tank remains on an essentially constant level which the cable core is directed from the tank into the pipe 19 will.

As a sleher belt precaution for the device The embodiment of the invention is the capacity of the Tube and / or container and the open container eo chosen that, should the pump fail, the level of the liquid In the open container under the lower end of the Duroh » Lead 2 or lead 20 would fall before the liquid the level of the inlet after the evacuable casing reached hitte, -

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tfa «u illustrate» how the invention achieves «a compact« liquid »seal, •• i emphasized that in a conventional barometric arm seal _f in which« in electrically insulating «Xs * impregnation material« X »liquid is used "And in which the seal is connected to a jacket that is sufficiently evacuated" so that "can be dried in the cable core" when it is passed through this "dl" length d ·· barometric army is range of 40 fufi (β ·· 12.20 a), in the present invention, however, the height of the pipes 1 and 5 or the tanks 18 and the combination of the drilling 1 and 5 dt ·. Tank «14 In the range of 10 PuB (approx. 5 _t O5 m) is

The invention also relates to changes in the Im enclosed? Atentan * pruoh 1 and b "si" ht "loh vor alle" also to the high inventions unapparated _t dl "individually - or in combination - throughout the description and Zeiohnung reveals "Ind"

Claim "

00S823 / 0A9?

Claims (1)

1 "Device which is suitable for providing an inlet or outlet seal for an elongated flexible component between an area of reduced pressure in a casing and ataoaphäriaohea pressure on the casing, the device being an open container that holds a certain amount Contains liquid, a first passage which has one end which extends into the container below the surface of the liquid therein, and the other end of which is suitable for connection with the interior of the sleeve, and has a device for guiding an elongated flexible Components between the surface of the liquid container and the casing through the first passage in a continuous manner, characterized by the fact that a wide passage is connected to the first passage and a pump device - is provided "between the said second passage, in which Operation? LiquidJceit that en during a first implementation due to the presence of a pressure difference between Αλτ surface of the liquid and the area reduced 009823/0497 attenuated pressure in the sheath is tightened by means of the Pump device after the container along the wide passage is continuously demanded 2 «Oerat according to Anepruoh 1, characterized in that the »long tour with the first implementation in the Close to the container · is connected in such a way that the liquid flows into the container through the first pipe duct this also leaves the first execution 5 · Device according to Anepruoh 1 or 2, characterized in that the first passage is a first tubular part which extends upwards, a closed tank τοη larger cross center surface than the said tubular part, which at its lower end with the upper 2nd of said tubular Teiletüoks connected, as well as having a "wide tubular Teiletüok, which extends from the upper end of said tank, and in which the said wide passage extends into the under" EaAm of said tank. 4 · Device according to Anepruoh 3, daduroh marked that the Wide, tubular parts tüolc are τοη a side wall of the tank extends along the edge of the upper end of it " BAD ORIGINAL 0 0 9 8 2 3/0 U 9 7 COPY 5 · Device naoh Anepruoh 5 or 4 »marked» that the cross-directional area of the »broad implementation is gruSer iat As those of the tubular parts of the eraten stepped ■ Implementation · 6 · Device according to Anapruoh 1 or 2, characterized by the fact that the erratic and wide passages each include a tubular tower-like part attachment, which parts are arranged essentially in a row and connected to or near their upper surfaces by an arc-shaped pipe, and then connected a NebenteiletUok the first Durohführung _f da · on the one £ walls with the upper end dea rohrfttraigen Teiletüoke the eraten implementation is connected and check from there NaOH eratreokt above swiaohen, old the ■ wide performing on a higher level ale the compound ■ wiaohen its of the arched tube and the »wide passage connected iat · 7 · Device according to Anapruoh 6 * characterized by the fact that the Transverse surface area of the tubular part of the »wide passage larger than the cross-sectional area of the tubular TeiletUoks is the first implementation. 8 «Device according to claims 1 to T _9, characterized in that the guide precaution has a plurality of oars. 0098 23/0497 1615608 9. Device naoh Anapruoh 1 bia 8, thereby identified, that the "liquid" is in electrical insulating material let « 10 · Device naoh Anapruoh 9 »daduroh gekannsalohnat» dad sumindeat ain Tall dar aratan and «prevail Durohführungan with warming vorriohtungan or Helsnlttaln rarsahan iat _v which keep the Tanparatur daa loiprägniaraatarlala above aa Eratarrungeten temperature. 11, Coablnation 9in »v aTakuiarbaren Täuiantalung of tubular form entrance and exit seals for a cable core on corresponding opposing Ridans, which knows that there are sealing devices as they are listed in Anaprüohen 1 to 10 and OfiiGINAL 009623/0497 • PATENT ADVOCATE _______-. τ.Μο ·, | B7i) 3240 » L-ING. ERICH SCHUBERT rS ^ neX ~ ennP ^lar \ Bank accounts Dept .: Patent Attorney Oipl.-Ing. SCHUBERT, 59 Si "o" n, Ei "rn" r Slrafl 227 "*." _U1 Po <tfadi325 Filiol "nSi" g "nu. Obarhauun (RhId.) Pl / da 67 Q5O 2 »June 1967 Revised claim 1 Liquid cable sealing device, especially for electrical cables, which is suitable as an input or output sealing device for an elongated flexible component between an area of reduced pressure in a Uiaiaantelung and atmospheric J> ruoJc outside the Umaantelung, the device being an open container that contains a certain amount of liquid "A first" feedthrough, one end of which extends into the container below the surface of the liquid contained therein and the other end of which is suitable for connection to the interior of the quantization, as well as a device for guiding an elongated flexible part between the surface the liquid Ια container and the casing through the first passage in a continuous manner, characterized in that a second passage is connected to the first passage and that a stacking direction between the first and second passage is provided where in the case of liquid in the operating state, which flows along a first material duct as a result of a xbmokunteraohlede between the surface of the liquid and the area of reduced druots in the is moved, by means of the Puepeinriohtung neon de « 00 982 3/0497 BATH ORIGINAL Container length of the «wide implementation is continuous riiokg is promoted BATH ORIGINAL