EP1045814B1 - Füllungsbegrenzer für flüssigkeitslagerbehälter - Google Patents

Füllungsbegrenzer für flüssigkeitslagerbehälter Download PDF

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Publication number
EP1045814B1
EP1045814B1 EP19980955722 EP98955722A EP1045814B1 EP 1045814 B1 EP1045814 B1 EP 1045814B1 EP 19980955722 EP19980955722 EP 19980955722 EP 98955722 A EP98955722 A EP 98955722A EP 1045814 B1 EP1045814 B1 EP 1045814B1
Authority
EP
European Patent Office
Prior art keywords
float
tube
valve
upper body
limiter according
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 - Lifetime
Application number
EP19980955722
Other languages
English (en)
French (fr)
Other versions
EP1045814A1 (de
Inventor
Roland Lagache
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.)
Lafon Production SA
Original Assignee
Lafon Production SA
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 Lafon Production SA filed Critical Lafon Production SA
Publication of EP1045814A1 publication Critical patent/EP1045814A1/de
Application granted granted Critical
Publication of EP1045814B1 publication Critical patent/EP1045814B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/36—Arrangements of flow- or pressure-control valves
    • B67D7/362—Arrangements of flow- or pressure-control valves combined with over-fill preventing means
    • B67D7/365—Arrangements of flow- or pressure-control valves combined with over-fill preventing means using floats
    • B67D7/367—Arrangements of flow- or pressure-control valves combined with over-fill preventing means using floats the float acting pneumatically on a shut-off valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7423—Rectilinearly traveling float
    • Y10T137/7426—Float co-axial with valve or port

Definitions

  • the present invention relates to a filling limiter for liquid storage tank.
  • the simplest limiters in their structure include a body, a valve mounted in said body and movable between a position opening corresponding to the filling of the tank and a position of closing corresponding to the switch for filling said tank; a float, connected to said valve, follows the rise of the liquid in the tank so as to close the valve when a predetermined level of liquid is reached in the tank.
  • the limiters include a tube body with an internal partition for delimit two adjacent rooms arranged side by side, one of chambers serving as a passage for the liquid intended to fill the tank and the other for receiving a float which is connected to a valve capable of to be moved from an open position corresponding to a low level liquid in the tank, located below the float, at a position of closure corresponding to a high level of liquid in the tank, but always located below the shutter valve.
  • the reopening of the valve in this prior art, is always carried out manually. In addition, and this is a serious drawback, there is no possibility of reopening the valve when the filling agent does not stop filling when the valve is in the closed position.
  • Each of the limiters described in these patents or requests for patent includes a float which is connected to the valve so that when rise of the liquid in the tank, it is distant from the body of the limiter.
  • the float When the limiter is inserted into the inlet opening of the tank, the float is housed at least partially in the body so as to reduce the size of the limiter.
  • a limiter in which the float is mounted in a chamber formed parallel to the fluid passage duct and delimited inside the limiter body by a partition, said float being connected by a linkage to the valve, so that the float is moved mechanically during the rise of liquid in the storage tank.
  • the connecting rod between the float and the valve pushes the latter towards its closed position.
  • the devices briefly described above do not allow not to channel the liquid introduced into the tank and to prevent the said liquid does not rain in said tank, in order to eliminate the formation too much foam in the storage tank.
  • these devices are not always suitable for reducing and even eliminating risk of explosion which is present when communication between the outside and the gaseous sky in which air and gas are confined. This risk of explosion may occur during an untimely ascent of the float.
  • the object of the present invention is to remedy the drawbacks mentioned above and to propose a limiter which makes it possible to channel the liquid during the passage of the dip tube in order to considerably reduce the drop of liquid in rain on the bottom of the tank and thus reduce the foaming in said tank.
  • the present invention relates to a limiter, of the type comprising a filling limiter for a storage tank of a liquid, said limiter being intended to be introduced at least partially in said storage tank and comprising a hollow upper body, a immersion tube integral with said upper body, a valve mounted in said upper body hollow and capable of being moved between a position opening and closing position, a valve seat provided in said hollow upper body and on which bears said valve in the closed position, a float movable vertically in an enclosure formed at least partially inside the dip tube, characterized in that said float is secured to a movable assembly forming a piston, said moving part being moved by the thrust of the liquid acting on one of its ends.
  • the moving part includes the float and an integral piston body of said float and in which an annular chamber is formed around a through passage, said movable assembly being disposed in a tube internal which is housed in the dip tube and which is integral with the body superior.
  • a central bore is formed in the float and substantially coaxial with said audit through passage of the piston body, a tube being disposed in said central bore of the float.
  • the float comprises at least one through passage, one end of which opens into a front chamber formed between an intermediate room secured to the upper body and said float and the other end of which opens into the piston body.
  • the valve is cylindrical-conical in shape and fitted at the top of the cone a passage for connecting the two front faces and back of said valve.
  • the intermediate piece comprises at the head on the one hand, a stop on which supports the float tube, and on the other hand, two orifices through which a downstream chamber provided at the rear of the piston is susceptible to be connected inside said tube, said tube being movable in a central passage in the intermediate room.
  • the intermediate piece comprises at least one channel through which the front chamber is likely to be connected to a lateral channel formed on one side of said upper body, said lateral channel being connected, through a valve on the upstream side of the valve.
  • the tube internal is closed at its lower end by a grid.
  • the tube internal includes at its upper part an air exhaust port communicating with an air vent provided in the upper body.
  • the piston body is provided at its lower end with a valve.
  • An advantage of the present invention lies in the fact that the crew is isolated from the action of the liquid when filling the tank storage.
  • the limiter according to the invention comprises an upper body hollow 1 which is extended by a dip tube 2, fixed on said body upper 1.
  • a small valve 4 which is biased by a spring 5 towards the position opening hours.
  • a side channel 6 provides communication between the space in which are mounted the small valve 4 and the spring 5, and with the front room 8.
  • An intermediate piece 9 is mounted in a leaktight manner and fixed in the upper body 1, said intermediate piece comprising a central passage 10 and a conduit 11a communicating with small channels 11 allowing the connection between channel 6 and the front chamber 8.
  • a stop 14 In the head 12 of the intermediate piece 9 are formed two small holes 13 and above said orifices 13 is mounted a stop 14.
  • a cylindrical-conical valve 16 is mounted in the body upper 1 and delimits, in the latter, an upstream chamber 15a located side of the front face 16 'and into which the filling liquid arrives of the tank and a downstream chamber 15 located on the side of the rear face 16 ".
  • conical part 16a of the valve 16 is arranged in the upstream chamber 15a when it is supported on a valve seat 17 formed on the wall internal 1a of the upper body 1.
  • the cylindrical part 16b is supported on the lateral part 3 of the upper body.
  • a passage 18 forming a conduit is formed in the conical part of the valve 16, said passage allowing the communication between the upstream chambers 15a and downstream 15.
  • a small grid 19 is mounted at one end of the passage 18 and constitutes a kind of liquid filter to prevent small solid particles present in the liquid to enter the downstream chamber 15.
  • a spring 20 is housed in the downstream chamber 15 and is supported on the base of the conical part of the valve 16 and the intermediate part 9.
  • a fixed internal tube 21 is mounted in an enclosure 35 of the tube plunger 2 and is secured by the upper part to the upper body 1.
  • An orifice 22 provided at the upper part of the internal tube 21 puts in communication the front chamber 8 with the venting hole 7.
  • the internal tube 21 is closed at its lower end by a grid 23 which is a filter or screen which prevents pressurization of the interior of the internal tube 21.
  • a movable assembly 24, forming a piston is mounted in the inner tube 21, and it includes a piston body 25, a float 26 integral with the piston body 25 and a tube 27 disposed in a bore central 28 formed in the float 26.
  • the body of the piston 25 comprises a through passage 29 which is substantially coaxial with the tube 27 and a annular chamber 30 formed around the through passage 29.
  • the float 26 has at least and preferably two passages through 31 which allow a connection between the front chamber 8 and the annular chamber 30 through a pierced plate 32 on which takes support a tight clamping sleeve 33 which keeps the tube 27 integral with the piston body 25, each of the through passages 31 opening at one end into the front chamber 8 and at the other end in the piston body 25.
  • a valve 34 is provided in part lower of the annular chamber 30.
  • the valve 34 closes the drain orifice of the annular chamber 30.
  • the moving element 24, pushed by the liquid in the internal tube 21 reaches a high position in which the upper end of the tube 27 is in abutment on the elastomer stopper 14.
  • the leakage orifices 13 are closed by the tube 27 and the communication between the chamber 15 and the tube 27 is interrupted.
  • the pressure then increases in the chamber 15 and the valve 16 goes into the closed position against its seat 17, under the action of the spring 20 and due to the difference in the surfaces 16 ′ and 16 ′′ of the valve 16.
  • the attendant closes the valve or stops the pump and the liquid on either side of the valve decompresses thanks to a small decompression nozzle 40 mounted in the lower part of the upper body 1 and on the side of the side passage 35 for circulation of the liquid to the storage tank.
  • This decompression continues until the pressure of the liquid is less than 50 mbar.
  • the valve 4 opens and the liquid located above the valve 16 closed, enters the channel 6 and flows into the conduit 11a and into the small channels 11 of the intermediate part 9, then into the front chamber 8.
  • the liquid admitted into the front chamber 8 flows into the passages through 31 then fills the c annular chamber 30.
  • This filling of the annular chamber 30 has the effect of ballasting the moving assembly 24 which descends.
  • the descent of the mobile assembly 24 causes the tube 27 to come off the stop 14 and consequently the opening of the openings 13.
  • valve 16 opens again, which makes it possible to drain the filling hose.
  • the valve 34 closes the annular chamber drain port 30.
  • the filling of the flexible filling pipe is unloaded, i.e. that the liquid contained in said flexible filling pipe is allowed to flow into the filling limiter and then into the tank or storage tank.
  • the liquid in the tank reaches a level N 2 higher than the level N 1 .
  • the rise of the liquid in the tank and in the internal tube 21 causes the moving element 24 to move upward and the valve 16 to close.
  • the air which is contained in the front chamber 8 is evacuated to the atmosphere by the holes 22 and 7.
  • the small valve 34 When emptying the tank and when the liquid level descends below the mobile assembly 24, the small valve 34, hitherto pushed by the liquid against its seat, opens to allow liquid contained in the annular chamber 30 to flow into the tank.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Float Valves (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Claims (10)

  1. Füllungsbegrenzer für Flüssikeitslagerbehälter, der dafür vorgesehen ist, wenigstens teilweise in den Lagerbehälter eingeführt zu sein, wobei der Flüssigkeitsbegrenzer umfaßt: einen oberen Hohlkörper (1), ein Tauchrohr (2), das mit dem oberen Hohlkörper (1) verbunden ist, eine Ventilklappe (16), die in dem oberen Hohlkörper (1) angeordnet ist und die in eine geöffnete und eine geschlossene Stellung versetzbar ist, einen Ventilklappensitz (17) in dem oberen Hohlkörper (1), an dem die Ventilkappe (16) in der Schließstellung anliegt, ein in einer Hülle (35) vertikal beweglicher Schwimmer (26), der das Innere der Röhre wenigstens teilweise ausfüllt,
    dadurch gekennzeichnet, daß
    der Schwimmer (26) mit einem kolbenartigen beweglichen Schlitten (24) verbunden ist, der unter Druckeinwirkung der Flüssigkeit auf eine seiner Enden verschiebbar ist.
  2. Begrenzer nach Anspruch 1,
    dadurch gekennzeichnet, daß
    der bewegliche Schlitten den Schwimmer (26) und einen Kolben (25) umfaßt, der mit dem Schwimmer verbunden ist, und in dem eine ringförmige Kammer (30) um eine Durchführung (29) ausgebildet ist, und der bewegliche Schlitten in einer inneren Röhre (21) angeordnet ist, die in der Röhre (2) angeordnet ist, und die mit dem oberen Körper (1) verbunden ist.
  3. Begrenzer nach Anspruch 2,
    dadurch gekennzeichnet, daß eine zentrale Ausbohrung (28) in dem Schwi,,er (26) genau koaxial mit der Durchführung (29) des Kolbens ausgebildet ist, und eine Röhre (27) in der zentralen Ausbohrung (28) des Schwimmers (26) angeordnet ist.
  4. Begrenzer nach einem der Ansprüche 1 bis 3,
    dadurch gekennzeichnet, daß
    der Schwimmer (26) wenigstens eine Durchführung (31) umfaßt, deren eines Ende in eine obere Kammer (8) mündet, die zwischen einem mit dem oberen Körper (1) verbundenen Mittelstück (9) und dem Schwimmer (26) angeordnet ist, und deren anderes Ende in den Kolben mündet.
  5. Begrenzer nach Anspruch 1,
    dadurch gekennzeichnet, daß
    die Klappe (16) zylindrisch-konisch ausgebildet ist, und daß sie an der Spitze des Konus mit einer Durchführung (18) versehen ist, um eine kommunizierende Verbindung der beiden Seiten vor (16') und hinter (16") der Klappe bereit zu stellen.
  6. Begrenzer nach Anspruch 4,
    dadurch gekennzeichnet, daß
    das Mittelstück (9) kopfseitig einerseits einen Anschlag (14) umfaßt, auf dem die Röhre (27) des Schwimmers (26) zum Aufliegen kommt, und andererseits zwei Öffnungen (13) umfaßt, die in eine untere Kammer (15) münden, die hinter der Klappe angeordnet ist, und die geeignet ist, mit dem Inneren der Röhre (27) verbunden zu werden, wobei die Röhre (27) in einer inneren Durchführung (10) beweglich ist, die in dem Mittelstück ausgebildet ist.
  7. Begrenzer nach Anspruch 6,
    dadurch gekennzeichnet, daß
    das Mittelstück (9) wenigstens einen Kanal (11a) umfaßt, über den die obere Kammer (8) mit einem lateralen Kanal (6) verbindbar ist, der auf einer Seite (3) des oberen Körpers (1) ausgebildet ist, und der über ein Ventil (4) mit der oberen Kammer (15a) der Klappe (16) verbunden ist.
  8. Begrenzer nach Anspruch 2,
    dadurch gekennzeichnet, daß
    die innere Röhre (21) an ihrem unteren Ende mit einem Gitter (23) abgeschlossen ist.
  9. Begrenzer nach Anspruch 2 oder 8,
    dadurch gekennzeichnet, daß
    die innere Röhre (21) an ihrer Oberseite eine Entlüftungsöffnung (22) umfaßt, die mit einer Öffnung (7) nach außen des oberen Körpers (1) kommuniziert.
  10. Begrenzer nach Anspruch 2,
    dadurch gekennzeichnet, daß
    der Kolben (25) an seinem unteren Ende mit einer Ventilklappe (34) versehen ist.
EP19980955722 1997-12-16 1998-11-23 Füllungsbegrenzer für flüssigkeitslagerbehälter Expired - Lifetime EP1045814B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9715955A FR2772354B1 (fr) 1997-12-16 1997-12-16 Limiteur de remplissage pour cuve de stockage d'un liquide
FR9715955 1997-12-16
PCT/FR1998/002500 WO1999031011A1 (fr) 1997-12-16 1998-11-23 Limiteur de remplissage pour cuve de stockage d'un liquide

Publications (2)

Publication Number Publication Date
EP1045814A1 EP1045814A1 (de) 2000-10-25
EP1045814B1 true EP1045814B1 (de) 2001-10-24

Family

ID=9514683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980955722 Expired - Lifetime EP1045814B1 (de) 1997-12-16 1998-11-23 Füllungsbegrenzer für flüssigkeitslagerbehälter

Country Status (6)

Country Link
US (1) US6318421B1 (de)
EP (1) EP1045814B1 (de)
JP (1) JP2002508289A (de)
ES (1) ES2165707T3 (de)
FR (1) FR2772354B1 (de)
WO (1) WO1999031011A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003248297A1 (en) * 2003-09-23 2005-04-07 Walnab Pty Ltd Tank refuelling system
US7128102B2 (en) * 2004-04-30 2006-10-31 Delaware Capital Formation, Inc. Drop tube segments adapted for use with a liquid reservoir
US7437815B2 (en) * 2004-04-30 2008-10-21 Delaware Capital Formation, Inc. Systems adapted to cooperate with an aperture forming tool and methods
US7213610B2 (en) * 2004-04-30 2007-05-08 Delaware Capital Formation, Inc. Drop tube segments adapted for use with a liquid reservoir and methods
US7243675B2 (en) * 2004-04-30 2007-07-17 Delaware Capital Formation, Inc. Drop tube segments adapted for use with a liquid reservoir
AU2005203293B2 (en) * 2004-07-28 2007-10-04 Trevor Farr Top Mounted Trickle Feed
DE102004044818A1 (de) * 2004-09-16 2006-03-23 Robert Bosch Gmbh Verdichterbypassventil bei mehrstufiger Aufladung
FR2882701B1 (fr) * 2005-03-04 2008-12-05 Lionel Lecrosnier Dispositif de securite pour l'obturation d'un orifice de remplissage d'un reservoir
ITVI20050210A1 (it) * 2005-07-26 2007-01-27 Tomasetto Achille Srl Dispositivo di limitazione del riempimento con fluido di un serbatoio
US7584766B2 (en) 2006-03-07 2009-09-08 Clay And Bailey Manufacturing Company Overfill prevention valve for shallow tanks
US8281823B2 (en) 2008-06-16 2012-10-09 Spillx L.L.C. Refueling apparatus with an automatic stop
US8550128B2 (en) 2008-06-16 2013-10-08 Michael J. Mitrovich Fluid flow control valve with upper bleed port and system
US8430117B2 (en) 2010-04-26 2013-04-30 Michael J. Mitrovich Refueling apparatus
US8631818B2 (en) 2011-06-28 2014-01-21 Michael J. Mitrovich Vertical float valve assembly
TW201531434A (zh) 2014-01-03 2015-08-16 Franklin Fueling Systems Inc 具有遠端測試功能之過量充塡防止閥
US10703388B2 (en) 2015-12-03 2020-07-07 Spillx Llc Refueling adapter
US10139841B2 (en) * 2016-09-12 2018-11-27 Clay And Bailey Manufacturing Company Overfill prevention valve assembly

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
FR5360E (fr) 1906-03-27 Paul Devillers Balle qui permet de tirer sur une cible vivante sans causer de blessure
US1289490A (en) 1917-12-05 1918-12-31 Elmer E Lundstrom Funnel.
US1689066A (en) 1926-06-11 1928-10-23 Frederick C Baxter Automatic shut-off device for liquid dispensers
CA910157A (en) * 1970-02-20 1972-09-19 W. Swain Leonard Anti-static valve
US3929155A (en) * 1972-09-11 1975-12-30 Owen L Garretson Float shut off valve for liquefied petroleum gas tank fillers
FR2324965A2 (fr) * 1975-09-18 1977-04-15 Normand Equip Ind Dispositif d'arret automatique de remplissage de reservoirs de produits liquides
FR2476790A1 (fr) * 1980-02-21 1981-08-28 Lafon Georges Limiteur de remplissage pour cuves de stockage de fluide
NL8100326A (nl) * 1981-01-23 1982-08-16 Valico Pvba Op een tank gemonteerd vulmechanisme.
US4667711A (en) 1984-05-10 1987-05-26 Draft Roger A Tank overfill valve
CA1291394C (en) 1987-10-13 1991-10-29 James E. Kesterman Overfill valve construction and method of making the same
FR2631611B1 (fr) 1988-05-20 1991-10-04 Lafon Prod Sa Limiteur automatique de remplissage de cuves
FR2656062B1 (fr) 1989-12-15 1992-06-05 Lafon Prod Sa Limiteur de remplissage pour cuve de stockage d'un liquide.
FR2665891B1 (fr) 1990-08-14 1994-05-13 Lafon Production Limiteur de remplissage pour cuve de stockage d'un liquide.

Also Published As

Publication number Publication date
FR2772354A1 (fr) 1999-06-18
JP2002508289A (ja) 2002-03-19
WO1999031011A1 (fr) 1999-06-24
FR2772354B1 (fr) 2000-02-04
EP1045814A1 (de) 2000-10-25
ES2165707T3 (es) 2002-03-16
US6318421B1 (en) 2001-11-20

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