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NO138305B - PARTICLE SORTING DEVICE. - Google Patents

PARTICLE SORTING DEVICE. Download PDF

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Publication number
NO138305B
NO138305B NO4760/72A NO476072A NO138305B NO 138305 B NO138305 B NO 138305B NO 4760/72 A NO4760/72 A NO 4760/72A NO 476072 A NO476072 A NO 476072A NO 138305 B NO138305 B NO 138305B
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Norway
Prior art keywords
valve
stem
housing
handle
shut
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Application number
NO4760/72A
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Norwegian (no)
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NO138305C (en
Inventor
Mack Jett Fulwyler
John Allan Steinkamp
James Ross Coulter
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Us Energy
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Publication of NO138305B publication Critical patent/NO138305B/en
Publication of NO138305C publication Critical patent/NO138305C/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1456—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
    • G01N15/1459—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277—Apparatus
    • B01J2219/00497—Features relating to the solid phase supports
    • B01J2219/005—Beads
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/149—Optical investigation techniques, e.g. flow cytometry specially adapted for sorting particles, e.g. by their size or optical properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N2015/1019—Associating Coulter-counter and optical flow cytometer [OFC]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N2015/1024—Counting particles by non-optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N2015/1028—Sorting particles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N2015/103—Particle shape
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1404—Handling flow, e.g. hydrodynamic focusing
    • G01N2015/1406—Control of droplet point
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N2015/1477—Multiparameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N2015/1486—Counting the particles

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Description

Stenge- og sikkerhetsventil for trykkflasker og andre trykkbeholdere til oppbevaring av gasser og væsker, som står under forhøyet trykk. Shut-off and safety valve for pressure bottles and other pressure containers for storing gases and liquids, which are under elevated pressure.

Trykkflasker, f. eks. til oppbevaring av Pressure bottles, e.g. for storage of

propangass, forsynes i mange tilfeller med propane gas, is supplied in many cases with

stengeventiler, som på siden har en lukke-stuss for den ledning eller slange som fører shut-off valves, which have a closing connection on the side for the leading line or hose

til forbruksstedet, f. eks. en komfyr. Slike to the place of consumption, e.g. a stove. Such

stengeventiler må i regelen utstyres med en shut-off valves must as a rule be equipped with a

særlig sikkerhets- og overtrykksventil. Hittil har man anbrakt denne sikkerhets-overtrykksventil i et radielt til siden utrakende, especially safety and overpressure valve. Until now, this safety overpressure valve has been placed in a radially extending to the side,

stusslignende fremspring på ventilhuset, stub-like protrusions on the valve body,

hvilket fremspring munner ut i trykkrum-met før stengeventilen og ikke påvirkes av which projection opens into the pressure chamber before the shut-off valve and is not affected by

denne. Dette kjente arrangement har be-tydelige ulemper. this. This known arrangement has significant disadvantages.

En vesentlig ulempe ved det hittil van-lige radiale arrangement av overtrykksventilen består i at diameteren av den fore-skrevne stålbeskyttelseshette, som av sik-kerhetsgrunner må påsettes, f. eks. ved A significant disadvantage of the hitherto common radial arrangement of the overpressure valve is that the diameter of the prescribed steel protective cap, which must be fitted for safety reasons, e.g. by

transport av trykkflasken til beskyttelse av transport of the pressure bottle for the protection of

ventilen, blir øket. For å avhjelpe denne the valve, is increased. To remedy this

ulempe har man hittil utført sikkerhets-ventilens fjær forholdsvis kort, slik at side-fremspringet på huset, som opptar overtrykksventilen, forkortes tilsvarende. Her-ved er man tvunget til å forminske over-trykksåpningenes fri tverrsnitt, og man må disadvantage, the safety valve's spring has so far been made relatively short, so that the side projection on the housing, which accommodates the pressure relief valve, is shortened accordingly. Here, you are forced to reduce the free cross-section of the overpressure openings, and you have to

da regne med at flaskeinnholdet i visse tilfeller ikke unnviker tilstrekkelig hurtig til then expect that in certain cases the contents of the bottle will not escape quickly enough

å hindre sprengning av beholderen. to prevent bursting of the container.

Det har ganske visst allerede vært fore-slått å forsyne den som tallerkeinventil ut-førte stengeventil med en ventilstamme, It has certainly already been proposed to supply the shut-off valve designed as a poppet valve with a valve stem,

som har en gjennomgående lengdeboring, which has a continuous longitudinal bore,

hvori er anbragt en som nåleventil utformet sikkerhetsventil med fjær. Disse kjemte ventiler har dog også stadig vesentlige ulemper. Da de har pakningsbokser til tetning mellom ventilstammen og ven tilhuset, får ventilhusene en generende stor ytter-diameter, som praktisk talt er like stor som ved de førstnevnte ventiler med en på siden av huset anbrakt sikkerhetsventilanord-ning. De kjente stengeventiler med lengdeboring i ventilstammen og deri anbragt sikkerhetsventil, har videre den ulempe, at sik-kerhetsåpningenes fri tverrsnitt er forholdsvis lite, slik at gassflasken ved plutse-lig voksende trykk i denne ikke avlastes tilstrekkelig hurtig. in which is placed a safety valve designed as a needle valve with a spring. However, these pinched valves still have significant disadvantages. As they have packing boxes for sealing between the valve stem and the valve housing, the valve housings have an annoyingly large outer diameter, which is practically the same as with the first-mentioned valves with a safety valve device placed on the side of the housing. The known shut-off valves with a longitudinal bore in the valve stem and a safety valve placed therein, also have the disadvantage that the free cross-section of the safety openings is relatively small, so that the pressure in the gas cylinder is not relieved quickly enough in the event of a sudden increase in pressure.

Endelig har disse kjente ventiler også den alvorlige ulempe at stengeventilens åpningsbevegelse begrenses av pakningsbok-sens ettergivende tetningsmasse. Denne tetningsmasse blir ved ubehersket åpning av stengeventilen trykket sammen ved pak-ningsboksen innerside, slik at pakningsbok-sen ofte må tilspennes, hvilket ubetinget må unngåes. Finally, these known valves also have the serious disadvantage that the shut-off valve's opening movement is limited by the stuffing box's yielding sealing compound. When the shut-off valve is opened uncontrollably, this sealing compound is pressed together on the inside of the stuffing box, so that the stuffing box often has to be tightened, which must absolutely be avoided.

Oppfinnelsen tar sikte på å utvikle en forbedret konstruksjon av de omhandlete The invention aims to develop an improved construction of those in question

stenge- og sikkerhetsventiler, hvorved den omtalte, radiale sidestuss eller fremspringet på huset for overtrykksventilen og andre ulemper ved de kjente ventiler unngåes. Videre tar oppfinnelsen sikte på å anbringe overtrykksventilen på en slik måte i ventilhuset, at overtrykksventilens fri av- shut-off and safety valves, whereby the mentioned radial side nozzle or the projection on the housing for the overpressure valve and other disadvantages of the known valves are avoided. Furthermore, the invention aims to place the relief valve in such a way in the valve housing that the relief valve's free

blåsningstverrsnitt er vesentlig større enn hittil, og at overtrykksventilens belast-nings!: j ær tilsvarende kan utføres med be-tydelig større lengde enn hittil, idet stengeventilen er slik forbundet med sikkerhetsventilen, at de lett kan uttas samlet av ventilhuset og settes inn i dette. blowing cross-section is significantly larger than before, and that the overpressure valve's load!: j can correspondingly be carried out with a significantly greater length than before, as the shut-off valve is connected to the safety valve in such a way that they can be easily removed together from the valve housing and inserted into this .

Ytterligere formål med oppfinnelsen fremgår av den følgende beskrivelse og pa-tentpåstandene. Further objects of the invention appear from the following description and the patent claims.

Sagt i korthet består et vesentlig karakteristisk trekk ved oppfinnelsen i at den sylindriske del av ventillegemets stamme i retning utover går over i en gjenget del med større diameter, som er skrudd inn i en gjenget boring i ventilhuset, som i flukt med denne boring har et sylindrisk 'kammer med mindre diameter, som nedentil går over i ventilsetet, og mot hvis innervegg ventilstammens tetnimgsring ligger an, idet ventillegemets innstillingshåndtak griper utenom utvendig på huset anbragte fremspring, som danner anslag for håndtaket til begrensning av ventillegemets aksiale åpningsbevegeise. In brief, a significant characteristic feature of the invention consists in the fact that the cylindrical part of the stem of the valve body in the outward direction transitions into a threaded part with a larger diameter, which is screwed into a threaded bore in the valve body, which, flush with this bore, has a cylindrical chamber with a smaller diameter, which passes below into the valve seat, and against whose inner wall the sealing ring of the valve stem abuts, as the valve body's setting handle grips outside projections placed on the outside of the housing, which form stops for the handle to limit the axial opening movement of the valve body.

Den nye og karakteristiske annordning av overtrykksventilen har særlig for stengeventiler for stålflasker vesentlige fordeler. Disse må sees dels i den økete sikker-het, dels i den mindre høyde og bredde av den komplette ventil, og endelig i mindre materialforbruk og bearbeidelse. The new and characteristic arrangement of the overpressure valve has significant advantages, especially for shut-off valves for steel cylinders. These must be seen partly in the increased safety, partly in the smaller height and width of the complete valve, and finally in less material consumption and processing.

Man kan lede den ved overtrykk av-blåsende gasstrøm loddrett oppover, slik at en antennelse av naboflasker ikke er mulig selv ved dannelsen av en stikkflamme, f. eks. heller ikke ved flaskebatterier, slik at ventilhåndtaket stadig kan betjenes neden-fra, og at fluktveien ikke avsperres i fare-situasjoner. Hvis det unntagelsesvis skulle være ønskelig, kan avbøyningen av den av-blåsende gasstrøm i sideretningen dog bi-beholdes ved tilsvarende, på siden anbragte avløpsboringer. It can be led by overpressure blowing gas flow vertically upwards, so that ignition of neighboring bottles is not possible even with the formation of a stick flame, e.g. nor with bottle batteries, so that the valve handle can always be operated from below, and that the escape route is not blocked in dangerous situations. If it should exceptionally be desirable, the deflection of the blow-off gas stream in the side direction can however be maintained by means of corresponding drain bores placed on the side.

I alle tilfelle er den hittil mulige for-veksling av tilkoblings- og overtrykksven-tilstuss utelukket, og den hittil hermed for-bunne farekilde er bragt ut av verden. In all cases, the hitherto possible confusion of connection and overpressure valve connection is ruled out, and the hitherto associated source of danger has been brought out of the world.

Disse fordeler oppnåes forøvrig også ved anbringelsen av stengeventilen ifølge oppfinnelsen i trykkrørledninger og lignende. Incidentally, these advantages are also achieved by placing the shut-off valve according to the invention in pressure pipelines and the like.

Et ytterligere viktig karakteristisk trekk ved oppfinnelsen er at stenge- og sikkerhetsventilen kan forsynes med mid-ler, som tjener til å hindre inntrengning av faste smusspartikler og lignende fra det indre av flasken til stenge- og sikkerhets ventilanordningen. A further important characteristic feature of the invention is that the shut-off and safety valve can be supplied with means, which serve to prevent the ingress of solid dirt particles and the like from the interior of the bottle to the shut-off and safety valve device.

Innvendig i trykkgassflasker og lignende dannes ofte et bunnfall av faste frem- Inside pressurized gas cylinders and the like, a deposit of solids often forms

medlegemer, f. eks. stykker av glødeskall. Disse fremmedlegemer kan ved tømning av flasken, når denne med henblikk på uttag-ning av innholdet i flytende tilstand an-bringes med ventilen rettet nedover, trenge fellow bodies, e.g. pieces of ember shell. When emptying the bottle, when it is placed with the valve pointing downwards for the purpose of extracting the contents in a liquid state, these foreign bodies can penetrate

inn i stenge- og sikkerhetsventilen og hindre ventilfunksjonene. For å hindre dette into the shut-off and safety valve and prevent the valve functions. To prevent this

kan ifølge oppfinnelsen stenge- og sikker-hetsventilene, eller deres hus, være forsynt med forlengelsesrør, som fra ventillegemet according to the invention, the shut-off and safety valves, or their housing, can be provided with extension pipes, which from the valve body

raker inn i trykkbeholderen. Ved endeven-ding av flasken, kan det eventuelle bunnfall rake into the pressure vessel. When the end of the bottle is turned, there may be sediment

da avsette seg i rummet utenom og ved siden av forlengelsesrøret, mens den ved for-lengelsesrørets indre ende tilveiebragte åpning, som i gitt tilfelle også kan være beskyttet med en sil eller lignende, vil forbli ovenfor fremmedlegemene. then settle in the space outside and next to the extension tube, while the opening provided at the inner end of the extension tube, which in a given case can also be protected with a strainer or the like, will remain above the foreign bodies.

Ved utførelsesformen ifølge fig 1, 2 og 5 har ventilhuset 1 en konisk gjenget stuss In the embodiment according to figures 1, 2 and 5, the valve housing 1 has a conical threaded connection

2, til innskruing av halsen på den ikke viste gassflaske elter annen trykkbeholder. En gjengestuss 3 til påskruing av en trykk-regulator eller en tilkoblingsledning, går ut til siden fra huset. Stussen 3 kan lukkes ved hjelp av en med en pakning 30 forsynt skruehette 31. 2, for screwing in the neck of the not shown gas bottle or other pressure container. A threaded connection 3 for screwing on a pressure regulator or a connection cable, goes out to the side from the housing. The spigot 3 can be closed using a screw cap 31 provided with a gasket 30.

Ventilhusets gasskanal 4 ender i et ven-tilsete 5, og går over i et utvidet kammer 7, som opptar ventilens stamme 9. I kamme-ret 7 munner tilkoblingsstussens 3 boring 6 ut. The valve housing's gas channel 4 ends in a valve seat 5, and passes into an extended chamber 7, which occupies the valve's stem 9. In the chamber 7, the bore 6 of the connecting piece 3 opens out.

Til det sylindriske kammer 7 er koblet en gjenget boring 8. I denne er ifølge fig. 1 og 2 den med større diameter enn den sylindriske del 10 utformete gjengedel 9 av ventilstammen skrudd inn. Den sylindriske del 10 bærer en pakningsring 11, og har en rundtgående rille for en elastomer tetningsring 12, f. eks. en såkalt O-ring, som tetter mot veggen av det sylindriske kammer 7. I stedet for tetningsringen kan også anvendes et annet tetningselement, f. eks. en belg eller lignende. A threaded bore 8 is connected to the cylindrical chamber 7. In this, according to fig. 1 and 2 the larger diameter than the cylindrical part 10 designed threaded part 9 of the valve stem screwed in. The cylindrical part 10 carries a sealing ring 11, and has a circumferential groove for an elastomeric sealing ring 12, e.g. a so-called O-ring, which seals against the wall of the cylindrical chamber 7. Instead of the sealing ring, another sealing element can also be used, e.g. a bellows or similar.

Den elastiske tetningsring kan i visse tilfelle være anbragt bevegelig i den tilhø-rende rille i ventilstammedelen 10, slik at den ikke deltar i ventilstammens 9 dreining ved åpning og lukning av stengeventilen. Ifølge oppfinnelsen er det imidlertid fordelaktig å anbringe O-ringen med press-pasning i rillen, slik at den beveger seg sammen med ventilstammen i forhold til kammerets 7 vegg. Det er konstatert at det ved denne anordning oppnåes en mere va-rig tetning ved hjelp av O-ringen. In certain cases, the elastic sealing ring can be placed movably in the corresponding groove in the valve stem part 10, so that it does not participate in the rotation of the valve stem 9 when opening and closing the shut-off valve. According to the invention, however, it is advantageous to place the O-ring with a press fit in the groove, so that it moves together with the valve stem in relation to the wall of the chamber 7. It has been established that with this device a more permanent seal is achieved with the help of the O-ring.

Gjennom ventilstammens ventilende 10 og gjengedel 9 går en lengdeboring 18, som ved 13 danner sete for den som tal-lerkenventil 14 utformete sikkerhets- og overtrykksventil. Ventilen 14 har fremspring 14' eller lignende, fig. 3, som styrer den på en slik måte langs veggen av den sylindriske del av lengdeboringen 18, at det finnes fri spalter for gassgjennomstrøm-ning. Ventilen 14 holdes i lukkestilling av en trykkfjær 15. A longitudinal bore 18 runs through the valve stem's venting end 10 and threaded part 9, which at 13 forms a seat for the safety and overpressure valve designed as a dial valve 14. The valve 14 has a projection 14' or the like, fig. 3, which guides it in such a way along the wall of the cylindrical part of the longitudinal bore 18, that there are free slots for gas flow through. The valve 14 is held in the closed position by a compression spring 15.

Ved utførelsesformen på fig. 1 støtter trykkfjæren 15 gjennom en utskiftbar av-standsring 17 mot en fjæring 16, som pas-ser inn i en tilsvarende rille i kanalen 18. In the embodiment of fig. 1 supports the compression spring 15 through a replaceable spacer ring 17 against a spring 16, which fits into a corresponding groove in the channel 18.

Ved utførelsesformen på fig. 2 og 3 tjener en skrue 117 med f. eks. sekskantet åpning 118, til feste av trykkfjæren 15. Skruen 117 er skrudd inn i en ved enden av kanalen 18 utført gjenge 118'. In the embodiment of fig. 2 and 3 serves a screw 117 with e.g. hexagonal opening 118, for attaching the pressure spring 15. The screw 117 is screwed into a thread 118' made at the end of the channel 18.

Ved hjelp av skruen 117 kan overtrykksventilen innstilles nøyaktig ved kraf-tigere eller svakere spenning av fjæren 15. With the help of the screw 117, the overpressure valve can be adjusted precisely with stronger or weaker tension of the spring 15.

Innstillingsskruen 117 og den øverste åpning av overtrykkskanalen 18 er med fordel sikret ved hjelp av en i gjengen 118 innskrudd, gjennomboret hette 119, hvori det kan være innsatt en signaldeknings-plate 35, som beskytter det indre av sikkerhetsventilen ovenfra mot værets på-virkning og innvirkningen av smuss. Ved åpning av sikkerhetsventilen slynges sig-nalplaten 35 av gasstrykket bort fra sitt sete. Dens manglende tilstedeværelse på ventilen viser tydelig at trykkbeholderen eller gassflasken står, eller har stått, under utillatelig overtrykk. The adjustment screw 117 and the top opening of the overpressure channel 18 are advantageously secured by means of a threaded cap 119 screwed into the thread 118, through which a signal cover plate 35 can be inserted, which protects the interior of the safety valve from above against the effects of the weather and the impact of dirt. When the safety valve is opened, the signal plate 35 is thrown away from its seat by the gas pressure. Its absence on the valve clearly shows that the pressure vessel or gas cylinder is, or has been, under an inadmissible overpressure.

Ved utførelsesformen på fig. 1 er sig-nalplaten 19 anbragt ved enden av kanalen 18. In the embodiment of fig. 1, the signal plate 19 is placed at the end of the channel 18.

Ved utførel.sesformen på fig. 5 er ventilstammen delt. Den nedre sylindriske del 10 av stammen har en likeledes sylindrisk forlengelse 10', som omsluttes med pasning av en bøssing 10". Ved omkretsen av delen 10' er det en rundtgående rille 50, hvori hodet av en i delen 10" sittende tappskrue 51 griper inn. Delen 10' har videre ved sin ende en gjenge 52, hvori trykkfjærens 15 innstillingsskrue 117 er skrudd inn. Gjengen 118" for lukkehetten 119 med signal-plate 35 finnes ved enden av bøssingen 10". In the embodiment of fig. 5, the valve stem is split. The lower cylindrical part 10 of the stem has a similarly cylindrical extension 10', which is enclosed by fitting a bushing 10". At the circumference of the part 10' there is a circumferential groove 50, in which the head of a stud screw 51 seated in the part 10" engages in. The part 10' also has a thread 52 at its end, into which the setting screw 117 of the compression spring 15 is screwed. The thread 118" for the closing cap 119 with signal plate 35 is found at the end of the bushing 10".

Ved utførelsesformen på fig. 5 dreier ventildelen 10 ikke med ved dreining av innstillingshåndtaket 120, men tas med av skruen 51 i aksial retning. In the embodiment of fig. 5, the valve part 10 does not rotate with the turning of the setting handle 120, but is taken along by the screw 51 in the axial direction.

Denne oppdeling av ventilstammen har den fordel at pakningen 11 ved åpning eller lukning av stengeventilen ikke gnir mot setet 5, men beveges rent aksialt i forhold til setet 5 uten dreining. This division of the valve stem has the advantage that the gasket 11 when opening or closing the shut-off valve does not rub against the seat 5, but moves purely axially in relation to the seat 5 without turning.

Ved utførelsesformen på fig. 1 er det til åpning og lukning av stengeventilen tje-nende innstillingshåndtak 20 utført i ett med ventilstammens gjengedel 9. Ventilhuset 1 har ut for innstillingshåndtaket 20 et ringformet fremspring 22, og den neders-te kant 21 av håndtaket 20 griper over fremspringet. På kanten 21 er det en innvendig rille hvori en av fjærstål bestående, oppslisset ring 23 kan settes inn. Denne ring treffer ved den oppadgående bevegelse av håndtaket 20 husets fremspring 22, og begrenser derved innstillingshåndtakets og In the embodiment of fig. 1, the setting handle 20 serving for opening and closing the shut-off valve is made in one piece with the threaded part 9 of the valve stem. The valve housing 1 has an annular projection 22 in front of the setting handle 20, and the lower edge 21 of the handle 20 grips over the projection. On the edge 21, there is an internal groove into which a slotted ring 23 made of spring steel can be inserted. During the upward movement of the handle 20, this ring hits the projection 22 of the housing, thereby limiting the adjustment handle's and

dermed stengeventilens åpningsbevegelse. thus the opening movement of the shut-off valve.

Når ventilen skal skrues helt ut av setet, må sikringen 23 derfor først fjernes. When the valve is to be unscrewed completely from the seat, the fuse 23 must therefore first be removed.

Ventilspindlen 9 er ifølge fig. 2 og 5 oventil forsynt med et dreiehåndtak 120, som med sin nedre ombøyde kant 121 holder en ring 126 som griper om fremspringene 122 på ventilhuset 1. Når håndtaket 120 skal tas av fra den på fig. 2 viste stilling, skrues først hetten 119 ut av ventilstammen 9. Deretter kan man løfte håndtakets høyre side så meget, at fremspringet The valve spindle 9 is according to fig. 2 and 5 above provided with a turning handle 120, which with its lower bent edge 121 holds a ring 126 which grips the projections 122 on the valve housing 1. When the handle 120 is to be removed from the one in fig. position shown in 2, the cap 119 is first unscrewed from the valve stem 9. You can then lift the right side of the handle so much that the protrusion

122 raker ned gjennom utsparingen 120 i håndtaket. Deretter dreies håndtaket 120 uten endring av dets skråstilling gjennom ca. 180°, slik at utsparingen 120' kommer til å ligge ut for det motstående (på fig. 4 det venstre) fremspring 122 på huset. Gre-pet kan deretter løftes fritt oppover. Ved påsetning av håndtaket på gjengedelen går man frem i motsatt rekkefølge. 122 rakes down through the recess 120 in the handle. The handle 120 is then turned without changing its slant through approx. 180°, so that the recess 120' will lie outside the opposite (in Fig. 4 the left) projection 122 on the housing. The grip can then be lifted freely upwards. When attaching the handle to the threaded part, proceed in the opposite order.

Håndtaket 120 er ikke-dreibart forbundet, men aksialt avtagbart med den øvre ende av ventilstammens gjengete del 9. Den øvre ende av den gjengete dei er med henblikk på dette f. eks. utformet sekskantet elller forsynt med egnete knas-ter eller fremspring, som griper inn i tilsvarende utsparinger eller fordypninger i håndtaket 120. Etterat håndtaket 120 er bragt i inngrep med fremspringene eller lignende på den gjengete del 9, sikres håndtakets stilling ved hjel!p av hetten 119, som skrues inn i den innvendige gjenge 118' i gjengedelen 9. The handle 120 is non-rotatably connected, but axially removable, to the upper end of the valve stem's threaded part 9. The upper end of the threaded part is, for this purpose, e.g. designed hexagonally or provided with suitable lugs or projections, which engage in corresponding recesses or depressions in the handle 120. After the handle 120 has been brought into engagement with the projections or the like on the threaded part 9, the position of the handle is secured with the help of the cap 119, which is screwed into the internal thread 118' in the threaded part 9.

Hvis den gass som ved overtrykk av-blåses fra kanalen skal avledes til siden, kan det i ventilhuset 1 og i ventilspindelen 9 tilveiebringes boringer, som tjener som avblåsningskanaler, slik som det på teg-ningen er antydet med 24. I dette tilfelle erstattes hensiktsmessig den lett avtagare skive 35 med en fast lukkede!. If the gas that is blown off from the channel due to excess pressure is to be diverted to the side, bores can be provided in the valve housing 1 and in the valve spindle 9, which serve as blow-off channels, as indicated in the drawing with 24. In this case, it is appropriate to replace the easily removable disc 35 with a firmly closed!.

Som det fremgår av fig. 2 og 5 er det i gasskanalen 18' under ventilsetet en rundtgående rille 150, hvori den utvidete kant 151 av et gassrør 152 griper inn, og røret raker inn i den gassflaske som luk-kestussen 2 er skrudd på. Forlengelsesrøret er ved sin nedre, med sideåpninger 153 forsynte ende lukket med en hette 154, som har en slik ytre diameter at hetten kan beveges fritt gjennom husets kanal 4. For-målet med røret 152 er å hindre inntrengning av smuss fra flasken til sikkerhets-ventilinnretningen, f. eks. hvis gassflasken As can be seen from fig. 2 and 5, there is in the gas channel 18' under the valve seat a circumferential groove 150, in which the extended edge 151 of a gas tube 152 engages, and the tube rakes into the gas cylinder on which the closing nozzle 2 is screwed. The extension tube is closed at its lower end, provided with side openings 153, with a cap 154, which has such an outer diameter that the cap can be moved freely through the housing's channel 4. The purpose of the tube 152 is to prevent the ingress of dirt from the bottle into the safety the valve device, e.g. if the gas bottle

lukkes i omvendt stilling, d.v.s. på hodet, closes in the reverse position, i.e. on the head,

hvilket i visse tilfeller er fordelaktig. which is beneficial in certain cases.

Den på fig. 2 viste anordning tillater The one in fig. 2 shown device allows

tilbaketrekning av forlengelsesrøret 152 fra withdrawal of the extension tube 152 from

ventilinnretningen, uten at ventilhuset 1 the valve device, without the valve housing 1

behøver å fjernes fra gassflasken. need to be removed from the gas cylinder.

Ved utførelsesformen på fig. 6 er for-lengelsesrøret 155 innsatt i den nedre ende In the embodiment of fig. 6, the extension pipe 155 is inserted at the lower end

av gjengestussens 2 gasskanal! 4. Det har of the threaded nozzle's 2 gas channel! 4. It has

ved sin nedre ende en beskyttelses-sil 156 at its lower end a protective strainer 156

som effektivt holder smuss tilbake, og som which effectively keeps dirt back, and which

er beskyttet med en hette 157. is protected with a hood 157.

Claims (8)

1. Stenge- og sikkerhetsventil for trykkgassflasker og andre trykkbeholdere til oppbevaring av gasser og væsker, som står under forhøyet trykk, og med en fjær-belastet sikkerhetsventil, som er anbragt i en fra ventilhusets trykkrom utgående og i atmosfæren utmunnende lengdeboring i stengeventilllegemets stamme, i hvis ende-flate ventilpakningen er anbragt, og i hvis periferiflate en tetningsring er forsenket, samt med et innstillingshåndtak som om-slutter ventilhuset, karakterisert ved- at den sylindriske del (10) av ventillegemets stamme i retning utover går over i en gjenget del (9) med større diameter, som er skrudd inn i en gjenget boring (8) i ventilhuset (1), som i flukt med denne boring har et sylindrisk kammer (7) med mindre diameter, som nedentil går over i ventilsetet (5), og mot hvis innervegg ventilstammens (10) tetningsring (12) ligger an, idet ventillegemets innstillingshåndtak (20, 120) griper utenom utvendig på huset (1) anbragte fremspring (22, 122)i, som danner anslag for håndtaket til begrens ning av ventilltegemets aksiale åpningsbevegelse.1. Shut-off and safety valve for compressed gas cylinders and other pressure containers for storing gases and liquids, which are under elevated pressure, and with a spring-loaded safety valve, which is placed in a longitudinal bore in the stem of the shut-off valve body, which exits from the pressure chamber of the valve housing and opens into the atmosphere, in whose end surface the valve gasket is placed, and in whose peripheral surface a sealing ring is recessed, as well as with an adjustment handle that encloses the valve housing, characterized in that the cylindrical part (10) of the valve body's stem in the outward direction transitions into a threaded part (9) with a larger diameter, which is screwed into a threaded bore (8) in the valve housing (1), which, in line with this bore, has a cylindrical chamber (7) with a smaller diameter, which passes below into the valve seat (5) , and against the inner wall of which the sealing ring (12) of the valve stem (10) rests, as the valve body's setting handle (20, 120) grips the projection (22, 122) on the outside of the housing (1), which forms a stop for the handle to limit ning of the axial opening movement of the valve body. 2. Ventil som angitt i påstand 1 k a - rak it eri sert ved at lengdeboringen (18) i ventilstammen (9) er forbundet med atmosfæren gjennom radiale, innbyrdes kommuniserende boringer (24) i henholds-vis ventilstammen (9) og ventilhuset (1).2. Valve as specified in claim 1, characterized in that the longitudinal bore (18) in the valve stem (9) is connected to the atmosphere through radial, mutually communicating bores (24) in the valve stem (9) and the valve housing (1) respectively ). 3. Ventil som angitt i påstand 1 eller 2, karakterisert ved at den sylindriske ventilstamme (10), som opptar stengeventilens pakning (11), er separat dreibar, men forbundet aksialt ikkeforskyvbart med den øvrige del (9) av ventilstammen.3. Valve as specified in claim 1 or 2, characterized in that the cylindrical valve stem (10), which accommodates the shut-off valve gasket (11), is separately rotatable, but connected axially non-displaceably with the other part (9) of the valve stem. 4. Ventil som angitt i en eliter flere av påstandene 1—3, karakterisert ved at den med lengdeboring (18) forsynte ventilstamme (9) ved sin utrakende ytre ende bærer håndtaket (20).4. Valve as stated in an elite several of claims 1-3, characterized in that the valve stem (9) provided with a longitudinal bore (18) carries the handle (20) at its protruding outer end. 5. Ventil som angitt i påstand 4, karakterisert ved at det på ventilhuset (1) finnes to overfor hverandre liggende fremspring (122), og at det på håndtakets (120) nedre kant er en til fremspringene (122) svarende utsparing (120').5. Valve as stated in claim 4, characterized in that on the valve housing (1) there are two protrusions (122) lying opposite each other, and that on the lower edge of the handle (120) there is a recess (120') corresponding to the protrusions (122) ). 6. Ventil som angitt i en eller flere av påstandene 1—5, karakterisert ved at stengeventilen er forsynt med et fra gasskanalen (4) utrakende forlengelsesrør (152).6. Valve as specified in one or more of claims 1-5, characterized in that the shut-off valve is provided with an extension pipe (152) extending from the gas channel (4). 7. Ventil som angitt i påstand 6, karakterisert ved at forlengelsesrøret (152) er festet til ventillegemets ventilstamme (9), slik at det kan trekkes tilbake fra ventilhuset (1) sammen med ventil - legemet.7. Valve as stated in claim 6, characterized in that the extension pipe (152) is attached to the valve stem (9) of the valve body, so that it can be withdrawn from the valve housing (1) together with the valve body. 8. Ventil som angitt i påstand 6, karakterisert ved at forlengelsesrøret (155) er festet til en gjenget stuss bestemt til innskruning i trykkbeholderen.8. Valve as stated in claim 6, characterized in that the extension pipe (155) is attached to a threaded connection intended for screwing into the pressure vessel.
NO4760/72A 1971-12-23 1972-12-22 PARTICLE SORTING DEVICE. NO138305C (en)

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AU (1) AU468637B2 (en)
BE (1) BE793185A (en)
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DE (1) DE2261695C2 (en)
FR (1) FR2164898B1 (en)
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US3710933A (en) 1973-01-16
AU468637B2 (en) 1974-06-20
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FR2164898B1 (en) 1974-08-02
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JPS5613266B2 (en) 1981-03-27
JPS4874292A (en) 1973-10-06

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