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WO2017060783A1 - Installation de distribution de gnc ou de gpl et système comprenant ladite installation - Google Patents

Installation de distribution de gnc ou de gpl et système comprenant ladite installation Download PDF

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Publication number
WO2017060783A1
WO2017060783A1 PCT/IB2016/054570 IB2016054570W WO2017060783A1 WO 2017060783 A1 WO2017060783 A1 WO 2017060783A1 IB 2016054570 W IB2016054570 W IB 2016054570W WO 2017060783 A1 WO2017060783 A1 WO 2017060783A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel
control unit
tank
vehicle
cng
Prior art date
Application number
PCT/IB2016/054570
Other languages
English (en)
Inventor
Alberto CASTAGNINI
Original Assignee
Landi Renzo S.P.A.
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 Landi Renzo S.P.A. filed Critical Landi Renzo S.P.A.
Publication of WO2017060783A1 publication Critical patent/WO2017060783A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/03006—Gas tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/03006—Gas tanks
    • B60K2015/03019—Filling of gas tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/0319—Fuel tanks with electronic systems, e.g. for controlling fuelling or venting
    • B60K2015/03197—Systems for exchanging data
    • B60K2015/03203—Systems for exchanging data during refuelling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/0321—Fuel tanks characterised by special sensors, the mounting thereof
    • B60K2015/03217—Fuel level sensors

Definitions

  • the present invention relates to:
  • a drawback of this solution is tied to the fact that the lack of refuelling at the subscribing stations does not necessarily mean that the vehicle has refuelled at non-subscribing stations; in fact, for a plurality of reasons the vehicle may be unused for even protracted periods of time; consequently, in the already-known solutions, the managers of subscribing service stations cannot be certain that the user has used other non-subscribed stations and thus has infringed the contractual obligations.
  • the aim of the present invention is to disclose a CNG or LPG fuel supply installation usable in a road vehicle, a system comprising both a service station and a vehicle equipped with such a supply installation as well as a method for controlling refuelling of a road vehicle which obviate the above- indicated drawbacks.
  • an aim of the present invention is to enable a complete loyalty of the customer, by precisely monitoring the situation and enabling the enacting of adequate counter-measures.
  • the specified technical aim and the specified objectives are substantially attained by a CNG or LPG fuel supply installation, a system comprising a service station and a vehicle equipped with the fuel supply installation as well as a method for control of the supply of fuel in a road vehicle comprising the technical characteristics set out in one or more of the appended claims.
  • FIG. 1 is a schematic view of a first solution according to the present invention
  • FIG. 2 is a schematic view of a second solution according to the present invention.
  • FIG. 3 is a schematic view of a third solution according to the present invention.
  • FIG. 4 is a schematic view of a system comprising a fuel installation according to the present invention.
  • reference numeral 1 denotes a CNG or LPG fuel supply installation installable in a road vehicle.
  • CNG is intended to refer to compressed natural gas, commonly methane.
  • LPG is understood to mean liquefied petroleum gas.
  • the fuel supply installation 1 enables use of CNG or LPG in internal combustion engines.
  • the installation 1 is additional and alternative to petrol or diesel supply of the internal combustion engine the vehicle is equipped with.
  • the installation 1 comprises a tank 2 for CNG or LPG fuel.
  • the installation 1 further comprises a means 3 for detecting an introduction of fuel into the tank 2.
  • the means 3 comprises a sensor 30 of the quantity of fuel present in the tank 2: for example it can provide a signal tied to the quantity of the fuel as a ratio of the overall volume of the tank (degree of filling) or can provide a signal associated to the absolute measurement of the fuel present in the tank 2.
  • the sensor 30 with the engine switched off, signals a sharp variation of the quantity of fuel, the installation notices that fuel has been introduced into the tank 2.
  • the installation 1 further comprises a means 4 for recognising the positioning of the installation 1 (or in any case the vehicle the installation 1 is mounted on) in predetermined service stations that dispense CNG or LPG.
  • the means 4 enable to detect whether the installation 1 is physically in predetermined subscriber service stations or not.
  • the recognition means 4 comprise:
  • the wireless means 41 advantageously operate in a radio frequency.
  • the wireless means 41 advantageously operate in the area of frequency band 868 MHz.
  • the wireless means send a signal and the absence of pre-codified feedback indicates that the vehicle equipped with the installation 1 is in a service station that is not a subscriber (subscriber stations will have been equipped with a system able to provide a feedback to the signal emitted by the wireless means 41 ).
  • the wireless means 41 may receive a predetermined signal from the service station, thus ascertaining that it is in a subscriber station; in this case the recognition means 4 advantageously respond to the service station to confirm the presence of the vehicle.
  • the installation 1 advantageously comprises a means 5 for blocking the CNG or LPG fuel supply upon the occurrence of a predetermined situation.
  • the blocking means 5 block the switching towards a CNG or LPG supply upon the occurrence of a predetermined situation (in fact on starting up vehicles are usually supplied with petrol or diesel and only thereafter the supply is switched to CNG or LPG).
  • the predetermined above-mentioned situation is a function of the signals received from the means 3 for detecting the introduction of fuel and of the signals coming from said recognition means 4.
  • the blocking means 5 can be integrated in a same control unit (see figure 3) or in control units that are physically distinct (see figures 1 or 2).
  • the installation is in any case able to autonomously decide, without the intervention of an external operator, when to block the CNG or LPG supply.
  • the means 5 for blocking and the means 42 for processing a signal coming from the wireless means 41 can be integrated, or not, in a common control unit.
  • the installation 1 advantageously comprises:
  • a first control unit 1 1 which in turn comprises: the wireless transceiver means 41 intended to interact with the service station and the means 42 for processing a signal coming from the wireless means 41 ;
  • the first control unit 1 1 is an additional control device separate from the second control unit 12.
  • the first and the second control units 1 1 , 12 are connected by means of a communication line 13.
  • the first control unit 1 1 can advantageously comprise a storage zone 1 10 to store a conversion characteristic of the signal of the sensor 30 (for example a voltage) in a datum relating to the quantity of fuel present in the tank.
  • the conversion characteristic will depend on the sensor 30 used, the dimensions of the tank 2 and the conformation thereof, as well as the way of supplying/polarising the sensor 30.
  • the storage zone 1 10 of the conversion characteristic may be located on the second control unit 12.
  • the first control unit 1 1 can further comprise storage means 1 1 1 to store the signal of the sensor 30 (detected at predetermined readings) or of the corresponding datum determined by the above-indicated conversion characteristic. This would enable to save statistics relating to the trend of the level of fuel in the tank. In particular this enables to perform statistical analyses on the fuel consumption of a vehicle.
  • the first control unit 1 1 is indirectly connected to the sensor 30 via the second control unit 12.
  • the second control unit 12 is connected to the sensor 30 by means of an electrical connection 14.
  • the first control unit 1 1 requests the value of the sensor 30 via the communication line 13 to the second control unit 12.
  • the communication line 13 is of the CAN-bus (controller Area Network) type.
  • the first control unit 1 1 also communicates via the first communication line 13 when to inhibit CNG or LPG supply.
  • the first control unit 1 1 is connected to the sensor 30 bypassing the second control unit 12 (this is done via the connection 15).
  • the first control unit 1 1 therefore comprises electronics 1 12 for reading the signal coming from the sensor 30.
  • the first control unit 1 1 communicates to the second control unit 12 when to inhibit CNG or LPG supply; appropriately, this takes place via a communication line 13.
  • the first and the second control units 1 1 , 12 merge in a common control unit.
  • the control unit includes a software routine which autonomously decides when to inhibit the CNG or LPG supply as a function of the signals coming from the sensor 30 and the transceiver wireless means 41 .
  • the first and the second control units 1 1 , 12 are distinct as this enables a greater productive standardisation of the hardware (the first control unit 1 1 is added to the second only in installations where the customer loyalty of the present invention is required; this enables to concentrate in an additional single device the modifications required with respect to other conventional installations).
  • the object of the present invention is also a system comprising:
  • a road vehicle 100 in turn comprising an installation 1 for CNG or LPG fuel supply having one or more of the characteristics indicated in the foregoing;
  • -a service station 101 dispensing LPG or CNG comprising a wireless transceiver 102 capable of dialoguing with the wireless means 41 of the CNG or LPG fuel supply installation 1 of the vehicle 100.
  • the present invention further relates to a method for controlling the refuelling of a road vehicle 100 equipped with a CNG or LPG fuel supply installation 1 .
  • the method comprises the implementation on the part of the vehicle 100 (or rather on the part of the CNG or LPG fuel supply installation 1 ) of the steps of:
  • step of recognizing comprises at least the exchange of a wireless signal with the service station 101 ;
  • the step of blocking the CNG or LPG supply preferably includes blocking the switching towards a CNG or LPG supply (as explained in the foregoing, usually vehicles start up with petrol or diesel and then switch to LPG or CNG).
  • the predetermined situation is tied to the introduction into the tank 2, outside said predetermined group of service stations, of at least a predetermined quantity of fuel.
  • the predetermined quantity of fuel can be introduced in a single refuelling operation or distributed among a plurality of refuelling operations.
  • said predetermined situation is tied to a carrying out of a predetermined number of refuelling operations not in a service station that is a part of the predetermined group.
  • the method can comprise the step of blocking the supply of CNG or LPG of the vehicle following a predetermined time after which the vehicle has not performed a refuelling operation at one of the predetermined service stations or when during a predetermined lapse of time it has not performed a minimum number of refuelling operations at the subscribing stations.
  • the exchanging of a wireless signal with the service station 101 can advantageously comprise wireless transmission of a signal by the vehicle 100 and the analysis of a corresponding feedback.
  • the wireless transmission of a signal by the vehicle 100 and the analysis of a corresponding feedback is triggered by the step of detecting the introduction of fuel into a tank 2 of the vehicle 100.
  • the wireless transmission of the signal occurs towards the outside of the vehicle 100.
  • the wireless transmission of a signal by the vehicle 100 (more precisely, by the installation 1 ) and the analysis of the corresponding feedback in input (in the absence of the expected feedback the installation 1 will realize that it is outside said group of predetermined service stations) occurs.
  • the wireless transmission of the signal is triggered by the service station for example by means of "polling" and a subsequent detection of the presence of the vehicle 100.
  • the service station may activate following an input of the management system (for example by means of a command on the manual input of an operator) or by periodic scanning of the frequency of communication at congruous intervals.
  • the method advantageously also comprises the step of storing the refuelling operations carried out at the group of predetermined service stations and/or out of the group of predetermined service stations.
  • the step of detecting the introduction of fuel into a tank 2 of the vehicle 100 comprises a step of a first control unit 1 1 querying a second control unit 12, said second control unit 12 being connected with the sensor 30; appropriately, the first control unit 1 1 periodically queries the second control unit 12 with a certain frequency so that it notices when a modification of the quantity of fuel present in the tank 2 occurs; and/or
  • the step of recognizing whether or not said step of detecting the introduction of fuel into the tank 2 of the vehicle 100 takes place in a service station 101 belonging to a predetermined group of service stations is implemented by said first control unit 1 1 ;
  • the step of blocking the CNG or LPG fuel supply comprises a step of transmitting a blocking signal from the first to the second control unit 1 1 , 12.
  • the step of detecting the introduction of fuel into a tank 2 of the vehicle 100 comprises the step of putting a first control unit 1 1 into communication with a sensor 30 for sensing the quantity of fuel present in the tank 2; in this matter, the first control unit 1 1 can read the electric signal at predetermined intervals; in an alternative embodiment it may periodically query the sensor 30 with a certain frequency so as to notice when a modification of the quantity of fuel present in the tank 2 occurs; and/or
  • the step of recognizing whether or not said step of detecting the introduction of fuel into the tank 2 of the vehicle 100 takes place in a service station 101 belonging to a predetermined group of service stations is implemented by said first control unit 1 1 ;
  • the step of blocking the CNG or LPG fuel supply comprises a step of transmitting a blocking signal from the first control unit 1 1 to a second control unit 12, said second control unit 12 being bypassed during the step of putting the first control unit 1 1 into communication with the sensor 30 for sensing the quantity of fuel present in the tank 2.
  • the present invention offers important advantages.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Saccharide Compounds (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

La présente invention concerne une installation de distribution de GNC ou de GPL pouvant être installée dans un véhicule routier, ladite installation comprenant : i) un réservoir de carburant GNC ou GPL (2) ; ii) un moyen (3) pour détecter l'introduction de carburant dans ledit réservoir (2), ledit moyen (3) comprenant un capteur (30) pour détecter la quantité de carburant dans le réservoir (2) ; iii) un moyen (4) pour reconnaître le positionnement du véhicule dans des stations-service prédéterminées, ledit moyen de reconnaissance (4) comprenant : un moyen d'émetteur-récepteur sans fil (41) destiné à interagir avec une station-service et un moyen (42) de traitement d'un signal provenant du moyen sans fil (41) ; iv) un moyen 5 pour bloquer une distribution de GNC ou de GPL lors de l'apparition d'une situation prédéterminée qui est une fonction à la fois du signal provenant du moyen (3) pour détecter l'introduction de carburant et des signaux provenant dudit moyen de reconnaissance (4).
PCT/IB2016/054570 2015-10-07 2016-07-29 Installation de distribution de gnc ou de gpl et système comprenant ladite installation WO2017060783A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102015000059138 2015-10-07
ITUB2015A004192A ITUB20154192A1 (it) 2015-10-07 2015-10-07 Impianto di alimentazione CNG o GPL e sistema comprendente tale impianto.

Publications (1)

Publication Number Publication Date
WO2017060783A1 true WO2017060783A1 (fr) 2017-04-13

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IT (1) ITUB20154192A1 (fr)
WO (1) WO2017060783A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010001396A1 (fr) * 2008-07-02 2010-01-07 Petratec International Ltd. Appareil et procédé permettant de réguler la distribution d'un liquide dans un contenant, particulièrement utiles dans des systèmes de distribution de carburant pour véhicules
DE102010043815A1 (de) * 2010-11-12 2012-05-16 Robert Bosch Gmbh Brennstoffersatztank mit einer Steuereinheit für gasbetriebene Fahrzeuge
US8538591B1 (en) * 2011-07-25 2013-09-17 Kevin Mark Klughart Fuel management system and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010001396A1 (fr) * 2008-07-02 2010-01-07 Petratec International Ltd. Appareil et procédé permettant de réguler la distribution d'un liquide dans un contenant, particulièrement utiles dans des systèmes de distribution de carburant pour véhicules
DE102010043815A1 (de) * 2010-11-12 2012-05-16 Robert Bosch Gmbh Brennstoffersatztank mit einer Steuereinheit für gasbetriebene Fahrzeuge
US8538591B1 (en) * 2011-07-25 2013-09-17 Kevin Mark Klughart Fuel management system and method

Also Published As

Publication number Publication date
ITUB20154192A1 (it) 2017-04-07

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