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DE29521160U1 - Device for operating a tank system - Google Patents

Device for operating a tank system

Info

Publication number
DE29521160U1
DE29521160U1 DE29521160U DE29521160U DE29521160U1 DE 29521160 U1 DE29521160 U1 DE 29521160U1 DE 29521160 U DE29521160 U DE 29521160U DE 29521160 U DE29521160 U DE 29521160U DE 29521160 U1 DE29521160 U1 DE 29521160U1
Authority
DE
Germany
Prior art keywords
fuel
valve
pump
suction
return device
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
DE29521160U
Other languages
German (de)
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.)
Honeywell GmbH
Original Assignee
Honeywell 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 Honeywell GmbH filed Critical Honeywell GmbH
Priority to DE29521160U priority Critical patent/DE29521160U1/en
Publication of DE29521160U1 publication Critical patent/DE29521160U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/04Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
    • B67D7/0476Vapour recovery systems
    • B67D7/0478Vapour recovery systems constructional features or components
    • B67D7/048Vapour flow control means, e.g. valves, pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/04Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
    • B67D7/0476Vapour recovery systems
    • B67D7/0478Vapour recovery systems constructional features or components
    • B67D7/048Vapour flow control means, e.g. valves, pumps
    • B67D7/0482Vapour flow control means, e.g. valves, pumps using pumps driven at different flow rates
    • B67D7/0486Pumps driven in response to electric signals indicative of pressure, temperature or liquid flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Description

HONEYWELL AGHONEYWELL AG ** " 12. JuIi 1996** " 12 July 1996 Kaiserleistraße 39Kaiserleistrasse 39 78600833 DE78600833 EN D-63067 Offenbach am MainD-63067 Offenbach am Main Hz/epHz/ep

Vorrichtung zum Betrieb einer TankanlageDevice for operating a tank system

Die vorliegende Erfindung betrifft eine Vorrichtung zum Betrieb einer Tankanlage nach dem Gattungsbegriff des-Patefl^nspruches 1.The present invention relates to a device for operating a tank system according to the generic term of patent claim 1.

Zur Rückgewinnung von Benzoldämpfen beim Tankvorgang und zur Schonung der Umwelt ist es bekannt und teils auch durch behördliche Auflagen vorgeschrieben, neben einer Fülleitung für den Kraftstoff zusätzlicheine Absaugleitung für den sich über dem Kraftstoff in dem Fahrzeugtank bildenden Dampf, vornehmlich Benzol, vorzusehen. Eine saugende Rückführeinrichtung in der Absaugleitung wird hierbei hinsichtlich ihrer Saugleistung durch die Abgabemenge des Kraftstoffes gesteuert. In Ländern mit strengen Umweltauflagen wird eine derartige Steuerung der Saugleistung alleine in Abhängigkeit von der Abgabemenge den gestellten Anforderungen nicht gerecht.In order to recover benzene vapors during the refueling process and to protect the environment, it is known and sometimes even required by official regulations to provide, in addition to a filling line for the fuel, an additional suction line for the vapor that forms above the fuel in the vehicle tank, primarily benzene. A suction return device in the suction line is controlled in terms of its suction power by the amount of fuel delivered. In countries with strict environmental regulations, such control of the suction power solely based on the amount delivered does not meet the requirements.

Es ist daher die Aufgabe der vorliegenden Erfindung, eine Vorrichtung zum Betrieb einer Tankanlage anzugeben, die den gestellten Anforderungen sehr viel besser gerecht wird.It is therefore the object of the present invention to provide a device for operating a tank system which meets the requirements much better.

Die Lösung dieser Aufgabe gelingt gemäß den kennzeichnenden Merkmalen des Patentanspruches 1. Weitere vorteilhafte Ausgestaltungen der erfindungsgemäßen Vorrichtung sind den abhängigen Ansprüchen entnehmbar.This object is achieved according to the characterizing features of patent claim 1. Further advantageous embodiments of the device according to the invention can be found in the dependent claims.

Anhand der Figuren der beiliegenden Zeichnung sei im folgenden die Vorrichtung gemäß der Erfindung näher beschrieben. Es zeigen:The device according to the invention is described in more detail below with reference to the figures in the accompanying drawing. They show:

Figur 1 eine Prinzipskizze einer bekannten Tankanlage; undFigure 1 is a schematic diagram of a known tank system; and

Figur 2 eine Modifikation dieser Anlage gemäß der Erfindung.Figure 2 shows a modification of this system according to the invention.

Gemäß Figur 1 fördert eine Pumpe 12 aus einem Vorratstank 10 Kraftstoff über eine Fülleitung 14 zu einer Zapfpistole 16, wenn diese betätigt wird. Mit der Zapfsäule 16 wird ein Ventil 18 in einer nicht dargestellten Zapfsäule betätigt, das den Durchtritt von der Pumpe 12 zu der Zapfpistole 16 freigibt. Der Kraftstoff fließt hierbei über eineAccording to Figure 1, a pump 12 delivers fuel from a storage tank 10 via a filling line 14 to a fuel pump 16 when the latter is activated. The fuel pump 16 activates a valve 18 in a fuel pump (not shown), which opens the passage from the pump 12 to the fuel pump 16. The fuel flows via a

Luftabscheidevorrichtung und einen Durchflußmengenmesser 20, die beide als ein Block dargestellt sind. Gegebenenfalls ist in der Fülleitung noch eine Fließanzeige 22, beispielsweise in Form eines Schauglases vorgesehen.Air separator and a flow meter 20, both of which are shown as a block. If necessary, a flow indicator 22, for example in the form of a sight glass, is also provided in the filling line.

Der Block 20 wirkt mit seinem Durchflußmengenmesser auf eine Dampf-Rückführeinrichtung in einer Absaugleitung 26, wobei ein Ventil oder eine Saugpumpe im Durchtrittsquerschnitt oder der Saugleistung entsprechend der gemessenen Durchflußmenge des Kraftstoffes gesteuert wird.The block 20 acts with its flow meter on a vapor return device in a suction line 26, whereby a valve or a suction pump is controlled in the passage cross-section or the suction power according to the measured flow rate of the fuel.

Gemäß Figur 2 ist nunmehr erfindungsgemäß vorgesehen, daß die in dem Block 20 gemessene Durchflußmenge FM des Kraftstoffes nur eine Führungsgröße für die Rückführeinrichtung 24' vorgibt, die durch andere Meßgrößen wie die Temperatur T, den Druck P und die Gas-Fließmenge Φ eine Veränderung erfahren kann. Diese Meßgrößen werden durch entsprechende Sensoren in der Absaugleitung gemessen, was durch den Block 28 veranschaulicht ist. Dabei können eine oder mehrere Meßgrößen zur Einwirkung auf die Führungsgröße herangezogen werden.According to Figure 2, the invention now provides that the fuel flow rate FM measured in block 20 only specifies a reference variable for the return device 24', which can be changed by other measured variables such as the temperature T, the pressure P and the gas flow rate Φ. These measured variables are measured by corresponding sensors in the suction line, which is illustrated by block 28. One or more measured variables can be used to influence the reference variable.

Die Rückführeinrichtung 24' für die Kraftstoff-Dämpfe, vornehmlich Benzol, besteht in einer ersten Ausführungsform aus einem regelbaren Proportionalventil 30, das in Reihe zu einer mit konstanter Saugleistung betriebenen Saugpumpe 32 betrieben wird, wobei zwischen beiden vorzugsweise noch ein Abschaltventil 34 angeordnet ist.The return device 24' for the fuel vapors, primarily benzene, consists in a first embodiment of a controllable proportional valve 30, which is operated in series with a suction pump 32 operated with a constant suction power, with a shut-off valve 34 preferably being arranged between the two.

In einer zweiten Ausführungsform umfaßt die Rückführeinrichtung 24' eine regelbare Saugpumpe 30', die in Reihe zu einem Abschaltventil 32' geschaltet ist. 25 In a second embodiment, the return device 24' comprises a controllable suction pump 30', which is connected in series with a shut-off valve 32'. 25

Ein Regler 36 verknüpft hierbei die Führungsgröße FM mit wenigstens einer von den weiteren Meßgrößen T, P, Φ gemäß einer vorgebbaren Regelkennlinie.A controller 36 links the reference variable FM with at least one of the other measured variables T, P, Φ according to a predeterminable control characteristic.

Claims (6)

-PatoatJRsprüche:-PatoatJR sayings: 1. Vorrichtung zum Betrieb einer Tankanlage, bei der eine Zapfpistole (16) über eine Fülleitung (14) und eine Absaugleitung (26) mit einer Zapfsäule verbunden ist, wobei eine Pumpe (12) über einen Durchflußmesser (20) bei Betätigung der Zapfpistole Kraftstoff aus einem Vorratstank (10) über die Zapfsäule in einen Fahrzeugtank fördert und eine Rückführeinrichtung (24) in der Absaugleitung (26) Kraftstoff in der Dampfphase zurück aus dem Fahrzeugtank in den Vorratstank fördert und die Rückführeinrichtung proportional zu der gemessenen Durchflußmenge des Kraftstoffes gesteuert wird, dadurch gekennzeichnet, daß mindestens eine physikalische Größe (T, P, Φ) des Kraftstoffes in der Dampfphase als ein zusätzliches Steuersignal für die Steuerung der Rückführeinrichtung (24') herangezogen wird.1. Device for operating a tank system in which a fuel nozzle (16) is connected to a fuel pump via a filling line (14) and a suction line (26), whereby a pump (12) conveys fuel from a storage tank (10) via the fuel pump into a vehicle tank via a flow meter (20) when the fuel nozzle is actuated, and a return device (24) in the suction line (26) conveys fuel in the vapor phase back from the vehicle tank into the storage tank and the return device is controlled proportionally to the measured flow rate of the fuel, characterized in that at least one physical variable (T, P, Φ) of the fuel in the vapor phase is used as an additional control signal for controlling the return device (24'). 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die2. Device according to claim 1, characterized in that the physikalische Größe durch eine oder mehrere der folgenden Größen vorgegeben ist:physical quantity is given by one or more of the following quantities: Temperatur T, atmosphärischer Druck P oder Fließmenge Φ.Temperature T, atmospheric pressure P or flow rate Φ. 3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Rückführeinrichtung (24') aus einer Saugpumpe (32) und einem Ventil (30) besteht.3. Device according to claim 2, characterized in that the return device (24') consists of a suction pump (32) and a valve (30). 4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das Ventil (30) ein regelbares Proportionalventil ist und die Saugpumpe (32) mit konstanter Pumpleistung betrieben wird.4. Device according to claim 3, characterized in that the valve (30) is a controllable proportional valve and the suction pump (32) is operated with constant pumping power. 5. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Pumpleistung der Saugpumpe (32') regelbar ist und das Ventil ein Abschaltventil (34') ist.5. Device according to claim 3, characterized in that the pump output of the suction pump (32') is adjustable and the valve is a shut-off valve (34'). 6. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß zwischen dem Proportionalventil (30) und der Saugpumpe (32) ein Abschaltventil (34) angeordnet ist.6. Device according to claim 4, characterized in that a shut-off valve (34) is arranged between the proportional valve (30) and the suction pump (32).
DE29521160U 1995-07-11 1995-07-11 Device for operating a tank system Expired - Lifetime DE29521160U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29521160U DE29521160U1 (en) 1995-07-11 1995-07-11 Device for operating a tank system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29521160U DE29521160U1 (en) 1995-07-11 1995-07-11 Device for operating a tank system
DE19525201 1995-07-11

Publications (1)

Publication Number Publication Date
DE29521160U1 true DE29521160U1 (en) 1996-11-14

Family

ID=26016706

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29521160U Expired - Lifetime DE29521160U1 (en) 1995-07-11 1995-07-11 Device for operating a tank system

Country Status (1)

Country Link
DE (1) DE29521160U1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756818A1 (en) * 1995-08-15 1998-06-12 Dresser Ind DEVICE AND METHOD FOR RECOVERING FUEL VAPORS
FR2777878A1 (en) * 1998-04-24 1999-10-29 Schlumberger Ind Sa Vapor recovery method for a fuel dispensing installation used to deliver fuel to a motor vehicle
LU90405B1 (en) * 1999-06-11 2000-12-12 Solutions Serv Syst France Vapor recovery method for a fuel dispensing installation used to deliver fuel to a motor vehicle
NL1012313C2 (en) * 1999-06-14 2000-12-15 Solutions Services Syst Mes Fr Vapor recovery method for a fuel dispensing installation used to deliver fuel to a motor vehicle
BE1012720A3 (en) * 1999-06-21 2001-02-06 Tokheim Services France Method for retrieving vapours emitted during liquid dispensing
EP1077197A1 (en) * 1999-08-17 2001-02-21 Jehad Aiysh Control device for fuel vapour recovery
WO2008141610A1 (en) 2007-05-24 2008-11-27 Voelker Manfred Pre-assembly wall for practice facilities or for intensive care or inpatient hospital rooms
FR2924706A1 (en) * 2007-12-05 2009-06-12 Tokheim Holding Bv Vegetal or petrol based liquid fuel distribution installation for motor vehicle, has control electronics adjusting opening of solenoid valve and periodically carrying out auto calibration of vapor collecting device to modify reference table

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756818A1 (en) * 1995-08-15 1998-06-12 Dresser Ind DEVICE AND METHOD FOR RECOVERING FUEL VAPORS
FR2777878A1 (en) * 1998-04-24 1999-10-29 Schlumberger Ind Sa Vapor recovery method for a fuel dispensing installation used to deliver fuel to a motor vehicle
US6109311A (en) * 1998-04-24 2000-08-29 Solutions Services Systemes France Method of recovering vapors emitted when a liquid is dispensed
DE19918926C2 (en) * 1998-04-24 2001-12-13 Tokheim Services France Le Ple Process for the recovery of vapors given off during a liquid supply
LU90405B1 (en) * 1999-06-11 2000-12-12 Solutions Serv Syst France Vapor recovery method for a fuel dispensing installation used to deliver fuel to a motor vehicle
NL1012313C2 (en) * 1999-06-14 2000-12-15 Solutions Services Syst Mes Fr Vapor recovery method for a fuel dispensing installation used to deliver fuel to a motor vehicle
BE1012720A3 (en) * 1999-06-21 2001-02-06 Tokheim Services France Method for retrieving vapours emitted during liquid dispensing
EP1077197A1 (en) * 1999-08-17 2001-02-21 Jehad Aiysh Control device for fuel vapour recovery
WO2008141610A1 (en) 2007-05-24 2008-11-27 Voelker Manfred Pre-assembly wall for practice facilities or for intensive care or inpatient hospital rooms
FR2924706A1 (en) * 2007-12-05 2009-06-12 Tokheim Holding Bv Vegetal or petrol based liquid fuel distribution installation for motor vehicle, has control electronics adjusting opening of solenoid valve and periodically carrying out auto calibration of vapor collecting device to modify reference table
CN101450780B (en) * 2007-12-05 2013-01-02 托克海姆控股有限公司 Fuel distributing device with vapor recovery device and method using the same

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19970102

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 19980811

R157 Lapse of ip right after 6 years

Effective date: 20020501