EP0095113B1 - Remote control and indicator device for pneumatically operated fuel dispensing means - Google Patents

Remote control and indicator device for pneumatically operated fuel dispensing means Download PDF

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Publication number
EP0095113B1
EP0095113B1 EP83104771A EP83104771A EP0095113B1 EP 0095113 B1 EP0095113 B1 EP 0095113B1 EP 83104771 A EP83104771 A EP 83104771A EP 83104771 A EP83104771 A EP 83104771A EP 0095113 B1 EP0095113 B1 EP 0095113B1
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EP
European Patent Office
Prior art keywords
control
remote display
display device
fuel delivery
loaded
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
EP83104771A
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German (de)
French (fr)
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EP0095113A3 (en
EP0095113A2 (en
Inventor
Wolfgang Kuhn
Reinhard Plehn
Rainer Brückner
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.)
Deutsche Tecalemit GmbH
Original Assignee
Deutsche Tecalemit GmbH
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 Deutsche Tecalemit GmbH filed Critical Deutsche Tecalemit GmbH
Priority to AT83104771T priority Critical patent/ATE21092T1/en
Publication of EP0095113A2 publication Critical patent/EP0095113A2/en
Publication of EP0095113A3 publication Critical patent/EP0095113A3/en
Application granted granted Critical
Publication of EP0095113B1 publication Critical patent/EP0095113B1/en
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
    • B67D7/08—Arrangements of devices for controlling, indicating, metering or registering quantity or price of liquid transferred

Definitions

  • the invention relates to a control and remote display device for pneumatically operated fuel dispensing devices, in particular small dispensing devices.
  • Control and remote display devices for fuel devices have so far been used in self-service petrol stations only for fixed petrol pumps.
  • the signals are transmitted electrically.
  • the legal regulations for explosion protection and calibration technology (regulation for flammable liquids and calibration regulations) must be taken into account.
  • Such control and remote display devices have hitherto not been known for small dispensing devices, as are usually used for refueling with a two-stroke mixture. Such small dispensers are operated either manually or by inserting a coin. These types of actuation do not offer reliable protection against fuel theft. In addition, the use of coins for comparatively small amounts of fuel requires a higher level of operating effort than is required for the fuel delivery in the conventional self-service petrol pumps.
  • the invention is therefore based on the object of providing a control and remote display device of the type mentioned at the outset which, in particular, can be used without problems for small tap dispensers.
  • a pneumatic control line which can be acted upon in different directions, is arranged between the fuel dispenser and the control device with remote display, which when actuated with control air releases the drive of the control device to the fuel dispenser in one direction, and which releases the drive when acted upon in the another direction of the number of control pulses for the drive corresponding pulses to the remote display.
  • the fuel delivery device has a piston measuring pump and a control pulse is transmitted to the remote display device per delivery stroke.
  • the control and remote display device prevents misuse.
  • the station attendant has to release the device from the petrol station cash register.
  • control and remote display device can be actuated pneumatically.
  • control device and the remote display device can also be electrically actuated, a pneumatic-electrical signal converter being arranged in the control line.
  • signal converter will expediently be arranged within the cash register for reasons of explosion protection.
  • the components 2, 4, 5, 14 and 14a are arranged in the checkout room 1 in the embodiment according to FIGS. 1 and 3.
  • 2 denotes a 3/2-way valve which controls the release of the dispensing device.
  • the auxiliary valve 4 blocks the passage to the pulse counter 5 in order to prevent the release pulse from being evaluated as a count pulse.
  • the compressed air passes through the throttle 14 and the check valve 14a into the control line 6 and leads to a switchover of the control valve 7, which is designed as a 3/2-way valve.
  • the user can now actuate the dispensing valve 9 and thereby switch the valve 11 to passage.
  • the compressed air then passes through the valve 11 and through the valve 7 into the piston measuring pump 10 (not shown in any more detail) and displaces the measuring piston thereof up to the end stop.
  • the fuel located in the piston chamber is conveyed via the fuel delivery line 41, the sight glass 26 and the fuel nozzle 42 into the tank to be filled.
  • control air passes through the check valve 13 and the control line 6 and through gear switched valve 4 to counter 5, which forms the remote display.
  • the system is vented to the atmosphere via the 2/2-way valve 27.
  • the piston of the piston measuring pump 10 is displaced upwards again by means of a return spring and during this suction stroke, fuel reaches the piston chamber.
  • the delivery volume can be removed again from the piston measuring pump 10 by actuating the dispensing valve 9. This process can be repeated any number of times. With each delivery stroke, an impulse is given both to the counter 12 on the device and to the remote display 5.
  • a float 28 controls the 2/2-way valve 25 and prevents release when the fuel level has dropped below a minimum level.
  • the air reservoir 21 can be emptied into the atmosphere via the manually operated valve 20. This allows condensate to be removed from the air reservoir.
  • a cash register 48 is provided in the cash register room 1. Furthermore, an electrical control device 2 'and an electrical remote display device 5' are provided. These electrical parts receive their impulses through the pneumatic-electrical signal converter 18, which is located inside the cash register 1.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

1. Control and remote display device for pneumatically operated fuel delivery units, particularly small dispensers, characterized in that a pneumatic control line (6), with can be loaded in different directions, is arranged between the fuel delivery unit (17) and the control device (2) with remote display (5), which control line, when loaded with control air in one direction from the control device (2), to the fuel delivery unit (17), releases the driving mechanism of the latter and which, when loaded in the other direction, transfers pulses to the remote display (5) which correspond to the number of control pulses for the driving mechanism.

Description

Die Erfindung betrifft eine Steuer- und Fernanzeigeeinrichtung für pneumatisch betriebene Kraftstoffabgabegeräte, insbesondere Kleinzapfgeräte.The invention relates to a control and remote display device for pneumatically operated fuel dispensing devices, in particular small dispensing devices.

Steuer- und Fernanzeigeeinrichtungen für Kraftstoffgeräte werden bisher bei Selbstbedienungstankstellen ausschließlich für ortsfeste Zapfsäulen verwendet. Die Übertragung der Signale erfolgt auf elektrischem Wege. Dabei müssen die gesetzlichen Vorschriften für den Explosionsschutz und die Eichtechnik (Verordnung für brennbare Flüssigkeiten und Eichordnung) berücksichtigt werden.Control and remote display devices for fuel devices have so far been used in self-service petrol stations only for fixed petrol pumps. The signals are transmitted electrically. The legal regulations for explosion protection and calibration technology (regulation for flammable liquids and calibration regulations) must be taken into account.

Für Kleinzapfgeräte, wie sie zum Betanken mit Zweitaktgemisch üblicherweise verwendet werden, sind solche Steuer- und Fernanzeigeeinrichtungen bisher nicht bekannt. Solche Kleinzapfgeräte werden entweder manuell oder durch Münzeinwurf betätigt. Diese Betätigungsarten bieten keinen sicheren Schutz gegen Kraftstoffdiebstahl. Außerdem erfordert die Verwendung von Münzen für vergleichsweise geringe Kraftstoffmengen einen höheren Bedienungsaufwand als er für die Kraftstoffabgabe bei den üblichen Selbstbedienungs-Zapfsäulen erforderlich ist.Such control and remote display devices have hitherto not been known for small dispensing devices, as are usually used for refueling with a two-stroke mixture. Such small dispensers are operated either manually or by inserting a coin. These types of actuation do not offer reliable protection against fuel theft. In addition, the use of coins for comparatively small amounts of fuel requires a higher level of operating effort than is required for the fuel delivery in the conventional self-service petrol pumps.

Der Erfindung liegt deshalb die Aufgabe zugrunde, eine Steuer- und Fernanzeigeeinrichtung der eingangs erwähnten Art zu schaffen, welche insbesondere problemlos für Kleinzapfgeräte verwendbar ist.The invention is therefore based on the object of providing a control and remote display device of the type mentioned at the outset which, in particular, can be used without problems for small tap dispensers.

Die Lösung dieser Aufgabe erfolgt erfindungsgemäß dadurch, daß eine pneumatische, in unterschiedlichen Richtungen beaufschlagbare Steuerleitung zwischen dem Kraftstoffabgabegerät und der Steuereinrichtung mit Fernanzeige angeordnet ist, die bei Beaufschlagung mit Steuerluft in einer Richtung aus der Steuereinrichtung zum Kraftstoffabgabegerät dessen Antrieb freigibt und die bei Beaufschlagung in der anderen Richtung der Zahl der Steuerimpulse für den Antrieb entsprechende Impulse an die Fernanzeige überträgt.This object is achieved according to the invention in that a pneumatic control line, which can be acted upon in different directions, is arranged between the fuel dispenser and the control device with remote display, which when actuated with control air releases the drive of the control device to the fuel dispenser in one direction, and which releases the drive when acted upon in the another direction of the number of control pulses for the drive corresponding pulses to the remote display.

Nach einem weiteren Merkmal der Erfindung weist das Kraftstoffabgabegerät eine Kolbenmeßpumpe auf und es wird pro Abgabehub ein Steuerimpuls an die Fernanzeigeeinrichtung übertragen.According to a further feature of the invention, the fuel delivery device has a piston measuring pump and a control pulse is transmitted to the remote display device per delivery stroke.

Die erfindungsgemäße Steuer- und Fernanzeigeeinrichtung verhindert die mißbräuchliche Benutzung. Damit gezapft werden kann, muß zunächst - ebenso wie bei üblichen orstfesten Einrichtungen - vom Kassenraum der Tankstelle aus von dem Tankwart die Freigabe des Geräts erfolgen.The control and remote display device according to the invention prevents misuse. In order to be able to tap, first of all - just like in the case of conventional fixed-location facilities - the station attendant has to release the device from the petrol station cash register.

Das Vorsehen einer pneumatischen Steuerleitung zwischen dem Kassenraum und dem Kraftstoffabgabegerät führt dazu, daß ohne jegliche Probleme mit Bestimmungen des Explosionsschutzes erstmalig auch Kleinzapfgeräte in der gleichen Weise verwendet werden können, wie dies bisher nur bei ortsfesten Selbstbedienungszapfsäulen möglich war. Dabei wird die Mobilität derartiger Kleinzapfgeräte praktisch nicht beeinträchtigt. Es ist auch ohne Schwierigkeiten möglich, vorhandene pneumatisch betriebene Kraftstoffabgabegeräte nachträglich auf Fernbetätigung und Fernanzeige umzurüsten. Druckluftanschlüsse stehen bei jeder Tankstelle zur Verfügung.The provision of a pneumatic control line between the cash register and the fuel dispenser means that small dispensers can be used for the first time in the same way without any problems with provisions on explosion protection, as was previously only possible with fixed self-service dispensers. The mobility of such small tap devices is practically not affected. It is also possible without difficulty to retrofit existing pneumatically operated fuel dispensing devices to remote control and remote display. Compressed air connections are available at every petrol station.

Bei einer bevorzugten Ausführungsform ist die Steuer- und Fernanzeigeeinrichtung pneumatisch betätigbar.In a preferred embodiment, the control and remote display device can be actuated pneumatically.

Gemäß einem weiteren Vorschlag der Erfindung können die Steuereinrichtung und die Fernanzeigeeinrichtung auch elektrisch betätigbar sein, wobei in der Steuerleitung ein pneumatischelektrischer Signalwandler angeordnet ist. Bei einer derartigen Ausführung wird man aus Gründen des Explosionsschutzes den Signalwandler zweckmäßigerweise innerhalb des Kassenraums anordnen.According to a further proposal of the invention, the control device and the remote display device can also be electrically actuated, a pneumatic-electrical signal converter being arranged in the control line. In such an embodiment, the signal converter will expediently be arranged within the cash register for reasons of explosion protection.

Nachstehend werden zwei bevorzugte Ausführungsformen der Erfindung anhand der Zeichnung im einzelnen beschrieben. Es zeigen :

  • Figur 1 eine schematische Darstellung der Anordnung einer vollständig pneumatischen Steuer- und Fernanzeigeeinrichtung,
  • Figur 2 eine Ausführungsform mit elektrischer und pneumatischer Betätigung,
  • Figur 3 eine Schemazeichnung der pneumatischen Schaltung.
Two preferred embodiments of the invention are described in detail below with reference to the drawing. Show it :
  • FIG. 1 shows a schematic representation of the arrangement of a completely pneumatic control and remote display device,
  • FIG. 2 shows an embodiment with electrical and pneumatic actuation,
  • Figure 3 is a schematic drawing of the pneumatic circuit.

Im Kassenraum 1 sind bei der Ausführungsform gemäß Figuren 1 und 3 die Bauteile 2, 4, 5, 14 und 14a angeordnet. Mit 2 ist ein 3/2-Wegeventil bezeichnet, welches die Freigabe des Zapfgeräts steuert. Bei einer Betätigung des Startventils 2 sperrt das Hilfsventil 4 den Durchgang zum Impulszähler 5, um zu verhindern, daß der Freigabeimpuls als Zählimpuls ausgewertet wird.The components 2, 4, 5, 14 and 14a are arranged in the checkout room 1 in the embodiment according to FIGS. 1 and 3. 2 denotes a 3/2-way valve which controls the release of the dispensing device. When the start valve 2 is actuated, the auxiliary valve 4 blocks the passage to the pulse counter 5 in order to prevent the release pulse from being evaluated as a count pulse.

Die Druckluft gelangt durch die Drossel 14 und das Rückschlagventil 14a in die Steuerleitung 6 und führt zu einer Umschaltung des Steuerventils 7, welches als 3/2-Wegeventil ausgebildet ist.The compressed air passes through the throttle 14 and the check valve 14a into the control line 6 and leads to a switchover of the control valve 7, which is designed as a 3/2-way valve.

Von dem Druckluftanschluß 16 gelangt Luft über den Luftvorratsbehälter 21 durch den Filter 22 und das Druckregelventil 23 bis zum 3/2-Wegeventil 11, das in Sperrstellung steht. Weiterhin gelangt die Druckluft durch die 2/2-Wegeventile 24, 25 und 19 bis zum 2/2-Wegeventil 9 am Kraftstoffabgabegerät 17 und zum ebenfalls dort befindlichen Schauzeichen 8.From the compressed air connection 16, air passes through the air reservoir 21 through the filter 22 and the pressure control valve 23 to the 3/2-way valve 11, which is in the blocking position. Furthermore, the compressed air passes through the 2/2-way valves 24, 25 and 19 to the 2/2-way valve 9 on the fuel delivery device 17 and to the indicator 8 which is also located there.

Der Benutzer kann nun das Abgabeventil 9 betätigen und hierdurch das Ventil 11 auf Durchgang schalten. Es gelangt dann die Druckluft durch das Ventil 11 sowie durch das Ventil 7 in die nicht näher dargestellte Kolbenmeßpumpe 10 und verschiebt deren Meßkolben bis zum Endanschlag. Hierdurch wird der im Kolbenraum befindliche Kraftstoff über die Kraftstofförderleitung 41, das Schauglas 26 und die Zapfpistole 42 in den zu befüllenden Tank gefördert. Gleichzeitig gelangt Steuerluft über das Rückschlagventil 13 und die Steuerleitung 6 und das auf Durchgang geschaltete Ventil 4 zum Zähler 5, der die Fernanzeige bildet. Wenn der Kolben seine untere Stellung erreicht hat, erfolgt eine Entlüftung des Systems über das 2/2-Wegeventil 27 in die Atmosphäre. Der Kolben der Kolbenmeßpumpe 10 wird über eine Rückstellfeder wieder nach oben verschoben und bei diesem Saughub gelangt Kraftstoff in den Kolbenraum. Sobald der Saughub beendet ist, kann durch Betätigung des Abgabeventils 9 erneut das Fördervolumen aus der Kolbenmeßpumpe 10 abgenommen werden. Dieser Vorgang ist beliebig oft wiederholbar. Bei jedem Förderhub wird ein Impuls sowohl an das Zählwerk 12 am Gerät als auch an die Fernanzeige 5 gegeben.The user can now actuate the dispensing valve 9 and thereby switch the valve 11 to passage. The compressed air then passes through the valve 11 and through the valve 7 into the piston measuring pump 10 (not shown in any more detail) and displaces the measuring piston thereof up to the end stop. As a result, the fuel located in the piston chamber is conveyed via the fuel delivery line 41, the sight glass 26 and the fuel nozzle 42 into the tank to be filled. At the same time, control air passes through the check valve 13 and the control line 6 and through gear switched valve 4 to counter 5, which forms the remote display. When the piston has reached its lower position, the system is vented to the atmosphere via the 2/2-way valve 27. The piston of the piston measuring pump 10 is displaced upwards again by means of a return spring and during this suction stroke, fuel reaches the piston chamber. As soon as the suction stroke has ended, the delivery volume can be removed again from the piston measuring pump 10 by actuating the dispensing valve 9. This process can be repeated any number of times. With each delivery stroke, an impulse is given both to the counter 12 on the device and to the remote display 5.

Ein Schwimmer 28 steuert das 2/2-Wegeventil 25 und verhindert eine Freigabe, wenn der Kraftstoffstand unter ein Mindestniveau abgefallen ist.A float 28 controls the 2/2-way valve 25 and prevents release when the fuel level has dropped below a minimum level.

Der Luftvorratsbehälter 21 kann über das handbetätigte Ventil 20 in die Atmosphäre entleert werden. Hierdurch kann Kondenswasser aus dem Luftvorratsbehälter abgeführt werden.The air reservoir 21 can be emptied into the atmosphere via the manually operated valve 20. This allows condensate to be removed from the air reservoir.

Nach Beendigung des Zapfvorgangs wird die Zapfpistole 42 wieder eingehängt und dabei gelangt das 3/2-Wegeventi! 15 aus der Sperrstellung in die Durchgangsstellung. Dies führt zu einem Verschieben des Steuerventils 7 in die in Figur 3 dargestellte Sperrstellung.After the dispensing process is completed, the nozzle 42 is hooked in again and the 3/2-way valve arrives! 15 from the locked position to the open position. This leads to a displacement of the control valve 7 into the blocking position shown in FIG. 3.

Ein weiteres Zapfen ist nur möglich, wenn erneut das Startventil 2 im Kassenraum von dem Tankwart für die Freigabe betätigt worden ist.Another tap is only possible if the start valve 2 in the checkout area has been actuated by the attendant for the release.

Bei der Ausführungsform gemäß Figur 2 ist im Kassenraum 1 eine Kasse 48 vorgesehen. Ferner ist eine elektrische Steuereinrichtung 2' sowie eine elektrische Fernanzeigeeinrichtung 5' vorgesehen. Diese elektrischen Teile erhalten ihre Impulse durch den pneumatisch-elektrischen Signalwandler 18, der sich innerhalb des Kassenraums 1 befindet.In the embodiment according to FIG. 2, a cash register 48 is provided in the cash register room 1. Furthermore, an electrical control device 2 'and an electrical remote display device 5' are provided. These electrical parts receive their impulses through the pneumatic-electrical signal converter 18, which is located inside the cash register 1.

Claims (4)

1. Control and remote display device for pneumatically operated fuel delivery units, particularly small dispensers, characterised in that a pneumatic control line (6), which can be loaded in different directions, is arranged between the fuel delivery unit (17) and the control device (2) with remote display (5), which control line, when loaded with control air in one direction from the control device (2), to the fuel delivery unit (17) releases the driving mechanism of the latter and which, when loaded in the other direction, transfers pulses to the remote display (5) which correspond to the number of control pulses for the driving mechanism.
2. Control and remote display device according to Claim 1, characterised in that the fuel delivery unit (17) is provided with a piston-type measuring pump (10) and one control pulse per delivery stroke is transferred to the remote display (5).
3. Control and remote display device according to Claim 1 or 2, characterised in that the control device (2) and the remote display device (5) can be pneumatically operated.
4. Control and remote display device according to Claim 1 or 2, characterised in that the control device (2') and the remote display device (5') can be electrically operated and a pneumatic/electric signal transformer (18) is arranged in the control line (6).
EP83104771A 1982-05-25 1983-05-14 Remote control and indicator device for pneumatically operated fuel dispensing means Expired EP0095113B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83104771T ATE21092T1 (en) 1982-05-25 1983-05-14 CONTROL AND REMOTE DISPLAY DEVICE FOR PNEUMATIC FUEL DISPENSING EQUIPMENT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823219566 DE3219566A1 (en) 1982-05-25 1982-05-25 CONTROL AND REMOTE DISPLAY DEVICE FOR PNEUMATICALLY OPERATED FUEL DELIVERY DEVICES
DE3219566 1982-05-25

Publications (3)

Publication Number Publication Date
EP0095113A2 EP0095113A2 (en) 1983-11-30
EP0095113A3 EP0095113A3 (en) 1984-07-25
EP0095113B1 true EP0095113B1 (en) 1986-07-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP83104771A Expired EP0095113B1 (en) 1982-05-25 1983-05-14 Remote control and indicator device for pneumatically operated fuel dispensing means

Country Status (5)

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EP (1) EP0095113B1 (en)
AT (1) ATE21092T1 (en)
DE (2) DE3219566A1 (en)
ES (1) ES8403227A1 (en)
PT (1) PT76747B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19607448A1 (en) * 1996-02-28 1997-09-04 Solvay Interox Gmbh Pneumatic conveyor and / or dosing system for tank systems
US9169115B2 (en) 2013-02-18 2015-10-27 Ford Global Technologies, Llc Method and device for reducing the likelihood of theft at a gas station or a charging station for motor vehicles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1647043A (en) * 1927-01-31 1927-10-25 Liquid Dispensing Systems Inc Liquid-delivery control
DE869605C (en) * 1950-08-29 1953-03-05 Tecalemit Ges M B H Deutsche Gauging cabinet with self-controlled liquid measuring and dispensing device
US3601286A (en) * 1969-05-07 1971-08-24 Aro Corp Fluid inventory control system
DE2031580C3 (en) * 1970-06-26 1979-08-09 Vdo Adolf Schindling Ag, 6000 Frankfurt Device for converting the pressure of a fluid into an electrical signal
DE2558458A1 (en) * 1975-12-23 1977-07-07 Schubert & Salzer Maschinen Electropneumatic transducer with magnetic valves - has branched air pipe extending from single compressor
DD138089B1 (en) * 1978-07-28 1983-06-01 Peter Domnitz ARRANGEMENT FOR ELECTRICAL PNEUMATIC AND PNEUMATIC ELECTRICAL SIGNAL CONVERSION

Also Published As

Publication number Publication date
PT76747B (en) 1986-01-27
ES522645A0 (en) 1984-03-01
ES8403227A1 (en) 1984-03-01
PT76747A (en) 1983-06-01
ATE21092T1 (en) 1986-08-15
DE3219566A1 (en) 1983-12-01
EP0095113A3 (en) 1984-07-25
DE3364905D1 (en) 1986-09-04
EP0095113A2 (en) 1983-11-30

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