EP1666406B1 - Anti-theft device - Google Patents

Anti-theft device Download PDF

Info

Publication number: EP1666406B1
Authority: EP; European Patent Office
Prior art keywords: dispensing unit; fuel dispensing; sensor; fuel; leakage current
Prior art date: 2004-12-03
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.): Active

Application number

EP05111576A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP1666406A2 (en

EP1666406A3 (en

Inventor

Per Kristiansson

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.)

Wayne Fueling Systems Sweden AB

Original Assignee

Dresser Wayne AB

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.)

2004-12-03

Filing date

2005-12-01

Publication date

2008-01-23

2005-12-01 Application filed by Dresser Wayne AB filed Critical Dresser Wayne AB

2006-06-07 Publication of EP1666406A2 publication Critical patent/EP1666406A2/en

2006-06-21 Publication of EP1666406A3 publication Critical patent/EP1666406A3/en

2008-01-23 Application granted granted Critical

2008-01-23 Publication of EP1666406B1 publication Critical patent/EP1666406B1/en

Status Active legal-status Critical Current

2025-12-01 Anticipated expiration legal-status Critical

Links

239000000446 fuel Substances 0.000 claims description 65
239000004020 conductor Substances 0.000 claims description 11
238000013500 data storage Methods 0.000 claims description 3
230000001681 protective effect Effects 0.000 claims description 3
238000009434 installation Methods 0.000 claims 1
230000003213 activating effect Effects 0.000 abstract description 2
238000005086 pumping Methods 0.000 description 3
230000000694 effects Effects 0.000 description 2
238000000034 method Methods 0.000 description 2
238000010276 construction Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000002779 inactivation Effects 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1

Images

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
- B67D7/32—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
- 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
- B67D7/32—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
- B67D7/34—Means for preventing unauthorised delivery of liquid
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents

Definitions

the present invention relates to a fuel dispensing unit for filling the tank of a vehicle with fuel, the fuel dispensing unit being connected to a current source having an earth fault breaker, and comprising at least one tamper/damage-detecting sensor.
a drawback of the above-described anti-theft system is that it can relatively easily be tampered with so as to allow theft of fuel. By existing components being bypassed, joined with tape, broken to pieces or replaced with other components, the fuel dispensing unit can be started so that theft of fuel can take place. A further problem is that the system can be tampered with so as to be reset and thus not indicate that undue use has been made.
the object of the present invention is to provide a fuel dispensing unit with an improved anti-theft system in relation to prior art, which is easily mounted and makes unlawful pumping of fuel difficult
the new fuel dispensing unit is thus provided with a sensor-activated system, which causes a leakage current to release the earth fault breaker of the fuel dispensing unit current source.
the fuel dispensing unit provided according to the invention is extremely advantageous by being put in a dead state owing to the fact that the external power supply ceases when one or more sensors detect that the fuel dispensing unit is opened, broken up or being exposed by some other kind of tampering.
the use of a combination of several light, pressure, magnetic, vibration, voltage, motion and/or mechanical sensors makes it very difficult to avoid interruption of the external power supply in case of undue breaking up of the fuel dispensing unit.
Each fuel dispensing unit is suitably arranged with a data storage unit which saves information if and when the external power supply is interrupted so as to make it still more difficult for undue use to pass unnoticed.
the leakage current causing system is provided with an indicator for faulty connection of the system, and in another variant the system is provided with an indicator to indicate that the system is not switched on. Both variants facilitate correct mounting, after-equipment and/or service of the fuel dispensing unit.
the leakage current causing system is preferably arranged internally in the fuel dispensing unit for easy mounting and provides by its construction cost-effective protection which is also easy to arrange later on existing equipment.
the fuel dispensing unit By suitably providing the fuel dispensing unit with a voltage monitor, power failure is detected, which then allows one or more external alarms to be switched on and possibly call in security staff, service staff etc.
Another advantageous effect of the invention is that it also provides current carrying protection for, for instance, vehicles bumping into the fuel dispensing unit or for service staff forgetting to switch off the voltage.
the invention makes it difficult to deform or open the fuel dispensing unit without the external current supply being switched off.
Fig. is a schematic view of the principle of the invention.
the fuel dispensing unit 1 shown in Fig. 1 for filling the tank of a vehicle with fuel is connected to a power source 2 having an earth fault breaker and comprises at least one sensor 3 which indicates some kind of tampering with the fuel dispensing unit 1. Examples of tampering can be breaking up or boring through the housing of the fuel dispensing unit, breaking the connection between the fuel dispensing unit and its central unit etc.
a first circuit 4 is arranged inside the fuel dispensing unit 1 and connected between a phase conductor P and a protective earthing conductor PE and comprises a switch 7, which can be, for example, a magnetic sensor, and a resistor 8 connected in series.
the first circuit 4 is usually designed to conduct a current (leakage current) greater than 30mA.
a second circuit 9 is connected between earth 10 and a voltage unit 11 in the fuel dispensing unit 1 and comprises, connected in series, a switch 12 and a relay 13 which controls closing and opening of the switch 7 in the first circuit 4.
the switch 12 is closed by means of the sensor 3.
the switch 12 is connected in parallel with other switches which are each controlled by a combination of other sensors, such as light, pressure, magnetic, vibration, voltage, motion and/or mechanical sensors.
a detector 14 is connected to the sensor 3 and detects and in some known way produces a Signal if the sensor 3 is not activated or if the second circuit 9 is not connected to the voltage unit 11.
An example of an effect of such a produced signal is the switched-off display lighting of the fuel dispensing unit.
a data storage unit 15 which stores data if and when voltage failure over the fuel dispensing unit occurs and, on the other, a voltage monitor 16 which in case of voltage failure emits a signal to, for instance, an alarm.
the first circuit 4 Connected to the first circuit 4 is a circuit which detects and indicates with a light-emitting diode if the first circuit is not correctly mounted on the conductors P and PE of the current source 2.
a sensor is activated, for instance, when breaking up the outer housing of the fuel dispensing unit. Then the sensor closes the second circuit, which causes the first circuit to be closed, which in turn produces leakage current between the phase conductor and the protective earthing conductor, which are arranged between the current source and the fuel dispensing unit. When the leakage current arises, the current source interrupts the current supply, which makes it impossible to dispense fuel from the fuel dispensing unit.
a variant of the invention is to control the switch 12 by a combination of several different types of sensors, such as light, pressure, magnetic, vibration, voltage, motion and/or mechanical sensors.
a further variant of the invention is that the first circuit 4 conducts current from the phase conductor P in a manner different from that described and causes a difference, usually greater than 30mA, between the electric currents of the phase conductor and the neutral conductor.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Emergency Protection Circuit Devices (AREA)
Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Control Of Non-Positive-Displacement Pumps (AREA)
Control Of Positive-Displacement Pumps (AREA)
Lubricants (AREA)
Developing Agents For Electrophotography (AREA)
Glass Compositions (AREA)
Power Steering Mechanism (AREA)
Centrifugal Separators (AREA)

EP05111576A 2004-12-03 2005-12-01 Anti-theft device Active EP1666406B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE0402958A SE0402958L (sv)	2004-12-03	2004-12-03	Skyddad pumpstation för bränslepåfyllning

Publications (3)

Publication Number	Publication Date
EP1666406A2 EP1666406A2 (en)	2006-06-07
EP1666406A3 EP1666406A3 (en)	2006-06-21
EP1666406B1 true EP1666406B1 (en)	2008-01-23

Family

ID=33550586

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP05111576A Active EP1666406B1 (en)	2004-12-03	2005-12-01	Anti-theft device

Country Status (6)

Country	Link
EP (1)	EP1666406B1 (es)
AT (1)	ATE384684T1 (es)
DE (1)	DE602005004486T2 (es)
DK (1)	DK1666406T3 (es)
ES (1)	ES2298953T3 (es)
SE (1)	SE0402958L (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20080128453A1 (en) *	2006-11-30	2008-06-05	Flint Loc Security Llc	Dispenser security system
US9817042B2 (en) *	2013-03-14	2017-11-14	Danaher UK Industries, Ltd.	Fuel dispenser tamper detection arrangement
CN104555873B (zh) *	2014-11-28	2017-06-23	淳安企坚电子科技有限公司	可远程控制的油罐车防盗油***
US11242239B2 (en)	2017-02-14	2022-02-08	Gilbarco Inc.	Fuel dispenser with fraud resistant flow control valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3054530A (en) *	1959-11-30	1962-09-18	William J James	Registering apparatus for fluid dispensers
EP0374331A1 (fr) *	1988-12-19	1990-06-27	Equipement Industriel Normand	Dispositif de sécurité pour un organe distributeur relié à un élément totalisateur de produit distribué
US5735435A (en) *	1995-03-23	1998-04-07	Tatsuno Corporation	Fuel dispenser with seismic vibration perception function.
DE69901298D1 (de) *	1998-05-05	2002-05-23	Miranzo Jose Plaza	Elektronisches siegel

2004
- 2004-12-03 SE SE0402958A patent/SE0402958L/xx not_active IP Right Cessation
2005
- 2005-12-01 AT AT05111576T patent/ATE384684T1/de not_active IP Right Cessation
- 2005-12-01 ES ES05111576T patent/ES2298953T3/es active Active
- 2005-12-01 DK DK05111576T patent/DK1666406T3/da active
- 2005-12-01 EP EP05111576A patent/EP1666406B1/en active Active
- 2005-12-01 DE DE602005004486T patent/DE602005004486T2/de active Active

Also Published As

Publication number	Publication date
ATE384684T1 (de)	2008-02-15
ES2298953T3 (es)	2008-05-16
SE0402958D0 (sv)	2004-12-03
DE602005004486T2 (de)	2009-01-22
EP1666406A2 (en)	2006-06-07
SE526326C2 (sv)	2005-08-23
DE602005004486D1 (de)	2008-03-13
SE0402958L (sv)	2005-08-23
DK1666406T3 (da)	2008-06-02
EP1666406A3 (en)	2006-06-21

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