EP0134295B1 - Dispositif pour éviter le débordement de réservoirs de stockage de liquides en particulier pour les véhicules-citernes de liquides - Google Patents

Dispositif pour éviter le débordement de réservoirs de stockage de liquides en particulier pour les véhicules-citernes de liquides Download PDF

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Publication number
EP0134295B1
EP0134295B1 EP83108895A EP83108895A EP0134295B1 EP 0134295 B1 EP0134295 B1 EP 0134295B1 EP 83108895 A EP83108895 A EP 83108895A EP 83108895 A EP83108895 A EP 83108895A EP 0134295 B1 EP0134295 B1 EP 0134295B1
Authority
EP
European Patent Office
Prior art keywords
containers
liquids
liquid
valve
positions
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
EP83108895A
Other languages
German (de)
English (en)
Other versions
EP0134295A1 (fr
Inventor
László Dipl.-Ing. Törocsik
Ferenc Dipl.-Ing. Harangozo
Géza Juranics
Ferenc Hegyi
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.)
Csepel Autogyar
Original Assignee
Csepel Autogyar
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 Csepel Autogyar filed Critical Csepel Autogyar
Priority to EP83108895A priority Critical patent/EP0134295B1/fr
Priority to DE8383108895T priority patent/DE3369841D1/de
Priority to AT83108895T priority patent/ATE25512T1/de
Publication of EP0134295A1 publication Critical patent/EP0134295A1/fr
Application granted granted Critical
Publication of EP0134295B1 publication Critical patent/EP0134295B1/fr
Expired 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

Definitions

  • the invention relates to a device which automatically prevents overfilling of two liquid containers which can be filled by a common line. It is particularly suitable for liquid transport vehicles of this type, the liquid container of which is divided into two chambers.
  • the invention provides a device which is suitable for preventing the overfilling of two liquid containers which can be filled at the same time via a common filling pipe system with only one common shut-off element, without there being any risk that one of the liquid containers will overflow when it is faster than the other liquid container is filled.
  • the invention therefore relates to a device for automatically preventing overfilling of two liquid containers, in particular for liquid transport vehicles, in which a shut-off element held in the closed position by means of a spring is installed in the filling pipe system of the liquid container, to the opening element of which the piston of a pneumatic working cylinder is connected, which is connected to a compressed air source via a two-position three-way valve, the actuating element of which can be actuated via a sensor element in the respective liquid container, which detects the liquid level, for venting the working cylinder, each of the two liquid containers being equipped with a two-position three-way valve, each of which is equipped with the respective assigned liquid level sensor element is actuated.
  • the device according to the invention is characterized in that the two liquid containers can be filled simultaneously via a common filling pipe system, in which the shut-off element is common to the liquid containers, and in that the two-position three-way valves are connected to one another and to one with the three-way valve designed with positive feedback and with three positions Compressed air source are connected.
  • the container vehicles either two mutually independent containers are provided or the single container 30 is divided into two chambers 31, 32. Although according to the current regulations these cannot be filled at the same time, it is advantageous for the safe design of the vehicle to also provide for the possibility of simultaneously filling the containers 31, 32.
  • the filling of the containers 31 and 32 takes place via the filling line 33 by means of the pump 34, and their emptying by means of the outlet slide 35.
  • the bypass line 20 bypassing the pump 3 is connected to the filling line, in which the flow through the pressure limiting valve 21 is regulated.
  • the shut-off element 4 designed as a slide and held in the closed position by means of a spring 5, is installed in the filling line 33, to the opener element of which the piston of the pneumatic working cylinder 6 is connected.
  • the two-position, three-way valves 9a and 9b are attached to the two containers 31, 32, the connections 10 of which are connected to one another and to the working cylinder 6.
  • the second port 11 of each valve 9a and 9b is over the with positive feedback and three positions executed three-way valve 36 and the downstream rotary valve 12 connected to the compressed air tank 13.
  • the third connection 14 of the valves 9a, 9b is connected to the free atmosphere.
  • two components are arranged in each valve 9a, 9b, namely the shut-off element 15, which is loaded by the spring 16, and the slide 17.
  • the slide is connected to the float 18, which is articulated in the container . When the container is empty, the float is supported on the stop 19.
  • valve 36 In the central position of its valve element 37, the valve 36 releases the flow path of the compressed air both in the direction of the valve 9a and the valve 9b. If the pressure decreases on one side of the valve element 37, the valve element 37 moves according to the positive feedback in the direction of the room with the lower pressure and interrupts the flow path of the compressed air on this side.
  • the shut-off element 4 In order to fill the container, the shut-off element 4 must be opened. This is done by opening the rotary valve 12 so that compressed air flows from the compressed air container 13 via the valve 36 into the valves 9a and 9b.
  • the connections 10 of the valve 9a and the valve 9b are kept open by the floats 18, so that the working cylinder 6 is pressurized and the shut-off element opens. Since the same pressure prevails on both sides of the valve element 37 in this state, the valve element 37 is in the central position.
  • valve 9a or 9b belonging to this chamber is switched over by lifting the float, whereby the slide 17 is lowered and the blocking element 15 down on it Seat slides until the slide 17 clears the way between the connections 10 and 14 to vent the working cylinder 6.
  • the valve of the other chamber used to prevent overflow could not yet switch over, the working cylinder 6 could receive compressed air from this direction. To prevent this, the valve 36 is installed.
  • valve 9b has not yet switched over, so that the flow path of the compressed air through its connection 11 is still free. Accordingly, the compressed air would flow continuously through this valve, so that the working cylinder 6 would be filled in this position, but the system supplying it is already continuously vented through the valve 9a.
  • valve element 37 also blocks the path of the compressed air in the direction of the valve 9b. As a result, the air supply to the working cylinder 6 is finally cut off.
  • the shut-off element 4 is adjusted back into the closed state under the force of the spring 5 and the filling of the container 30 is interrupted.
  • the liquid flows in a circuit via the pressure limiter valve 21 and the bypass line 20.
  • the device can be separated from the compressed air container 13 by closing the rotary valve 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Claims (1)

  1. - Dispositif pour empêcher automatiquement le remplissage excessif de deux récipients de liquides (31, 32) notamment pour des véhicules de transport de liquides, dans lequel il est prévu dans le conduit de remplissage (33) des récipients de liquides (31, 32) un élément obturateur (4) maintenu au moyen d'un ressort (5) dans la position de fermeture et dont l'élément d'ouverture est relié au piston (7) d'un vérin pneumatique d'actionnement (6), qui est relié à une source d'air comprimé (13) par l'intermédiaire d'un distributeur à trois voies et deux positions (9a, 9b) dont l'élément d'actionnement peut être actionné, en vue de la mise à l'échappement du vérin d'actionnement (6) par l'intermédiaire d'un capteur (18) placé dans le réservoir de liquide correspondant (31, 32) et détectant le niveau de liquide, chacun des deux récipients de liquides (31, 32) étant équipés d'un distributeur à trois voies et deux positions (9a, 9b) qui peut être actionné par l'intermédiaire du capteur de niveau de liquide (18) qui lui est associé, caractérisé en ce que les deux récipients de liquides (31, 32) peuvent être remplis simultanément par l'intermédiaire d'un conduit commun de remplissage (33) dans lequel l'élément obturateur (4) est commun aux récipients de liquides (31, 32) et en ce que les distributeurs à trois voies et deux positions (9a, 9b) sont reliés entre eux et avec la source d'air comprimé (13) par l'intermédiaire d'un distributeur (36) à trois voies à trois positions et à contre réaction positive.
EP83108895A 1983-09-08 1983-09-08 Dispositif pour éviter le débordement de réservoirs de stockage de liquides en particulier pour les véhicules-citernes de liquides Expired EP0134295B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP83108895A EP0134295B1 (fr) 1983-09-08 1983-09-08 Dispositif pour éviter le débordement de réservoirs de stockage de liquides en particulier pour les véhicules-citernes de liquides
DE8383108895T DE3369841D1 (en) 1983-09-08 1983-09-08 Apparatus for preventing overfilling of liquid tanks, especially for liquid tanker trucks
AT83108895T ATE25512T1 (de) 1983-09-08 1983-09-08 Vorrichtung zur verhinderung des ueberfuellens von fluessigkeitsbehaeltern, insbesondere fuer fluessigkeitstransportfahrzeuge.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83108895A EP0134295B1 (fr) 1983-09-08 1983-09-08 Dispositif pour éviter le débordement de réservoirs de stockage de liquides en particulier pour les véhicules-citernes de liquides

Publications (2)

Publication Number Publication Date
EP0134295A1 EP0134295A1 (fr) 1985-03-20
EP0134295B1 true EP0134295B1 (fr) 1987-02-25

Family

ID=8190671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83108895A Expired EP0134295B1 (fr) 1983-09-08 1983-09-08 Dispositif pour éviter le débordement de réservoirs de stockage de liquides en particulier pour les véhicules-citernes de liquides

Country Status (3)

Country Link
EP (1) EP0134295B1 (fr)
AT (1) ATE25512T1 (fr)
DE (1) DE3369841D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4008157A1 (de) * 1990-03-15 1990-10-25 W Dietmar Richter Explosionssichere, automatische volumendosierung ueber pneumatiksteuerung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2678658A (en) * 1950-11-02 1954-05-18 Bowser Inc Tank filling apparatus
US3771549A (en) * 1971-10-21 1973-11-13 Dover Corp System for loading and unloading a container at its bottom

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4008157A1 (de) * 1990-03-15 1990-10-25 W Dietmar Richter Explosionssichere, automatische volumendosierung ueber pneumatiksteuerung

Also Published As

Publication number Publication date
DE3369841D1 (en) 1987-04-02
EP0134295A1 (fr) 1985-03-20
ATE25512T1 (de) 1987-03-15

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