WO1993010036A1 - Vorrichtung zum betanken von kraftfahrzeugen mit gasrückführung durch eine motorgetriebene gasförderpumpe - Google Patents
Vorrichtung zum betanken von kraftfahrzeugen mit gasrückführung durch eine motorgetriebene gasförderpumpe Download PDFInfo
- Publication number
- WO1993010036A1 WO1993010036A1 PCT/EP1992/002616 EP9202616W WO9310036A1 WO 1993010036 A1 WO1993010036 A1 WO 1993010036A1 EP 9202616 W EP9202616 W EP 9202616W WO 9310036 A1 WO9310036 A1 WO 9310036A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- motor
- gas
- electric motor
- tank
- pulse generator
- Prior art date
Links
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
- B67D7/04—Apparatus 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
- B67D7/0476—Vapour recovery systems
- B67D7/0478—Vapour recovery systems constructional features or components
- B67D7/048—Vapour flow control means, e.g. valves, pumps
- B67D7/0482—Vapour flow control means, e.g. valves, pumps using pumps driven at different flow rates
- B67D7/0486—Pumps driven in response to electric signals indicative of pressure, temperature or liquid flow
Definitions
- the invention relates to a device for refueling motor vehicles according to the type specified in the preamble of claim 1.
- a logic unit used in the known device which is connected to an electric motor for driving the positive displacement pump, requires considerable electronic effort, for example memory registers, operation units, multiplier units and comparators.
- the invention is based on the object, in a device of the type mentioned without great circuit complexity, even under laminar flow conditions of the gas to be recycled and thus also when the flow of the filled fuel starts or decreases at the beginning or at the end of a refueling process, the speed of the To regulate the drive motor for the gas feed pump in such a way that the ratio of this speed to the amount of gas returned is proportional according to a predetermined calibration curve and errors affecting the engine speed, for example pump load, increased line resistance, are immediately detected and electronically compensated.
- Pulse generator-converted actual values for the tanked fuel volume and a feedback tacho voltage of the electric motor connected to the gas feed pump are applied as input variables, which are compared to the difference between the tanked fuel by constant comparison at the outlet
- the tacho voltage is generated by the electric motor connected to the gas feed pump in its operation as a tachometer generator.
- the control unit receives an additional input variable signal proportional to the rotary movement as a measure of the instantaneous flow value of the returning gas.
- a control variable is generated by comparing the two input variables in the control unit, which adjusts the electric motor as an opposing electromotive force (EMF) in which its speed is readjusted to the correct ratio.
- EMF electromotive force
- the computer is connected in an advantageous embodiment of the invention between the pulse generator driven by the liquid measuring motor and the control unit, preferably to the pulse generator and the Control unit connecting line connected.
- the electric motor for the gas feed pump is expediently a frequency-controlled commutatorless three-phase three-phase motor or a voltage-controlled direct current motor with electronic commutation, for example a synchronous motor with a high-energy, permanent-magnetic rotor, which has rare-earth metals, preferably magnets made of cobalt, on its rotor circumference , contains.
- Magnetic metals of this type are distinguished by the fact that they cannot be demagnetized by high electrical impulse currents. Further features and details emerge from the subclaims.
- an underground storage container (not shown in the drawing) is used to draw in liquid fuel, which is drawn into a its delivery rate is measured by a liquid measuring motor 4 designed as a piston knife.
- the output shaft of the liquid measuring motor 4 is coupled to a pulse generator 5, which converts the fuel quantity into corresponding electrical signals, which are fed to a computer 6 provided in the dispenser housing 2 for the display of the fuel volume and the purchase price to be paid.
- the basic price, fuel quantity and purchase price are displayed on a monitor 19 in the dispenser head.
- the fuel drawn in and pumped up for the refueling process leaves the liquid measuring motor 4 via a pipeline 7 and arrives via a nozzle 8 to the nozzle not shown in the drawing.
- An annular chamber in the dispensing valve receives the gases released during refueling and is connected to a tubular gas return line 9, which is coaxially surrounded by the dispensing hose 8 within the dispenser housing 2 or in the vicinity thereof.
- the gas return line 9 merges into a pipeline 10 which is connected via a flame arrester 11 to a gas pump 12 with a controllable motor.
- the outlet of the gas feed pump 12 leads via a further flame arrester 13 and a gas line 14 through the dome cover into the underground storage container above its liquid level.
- the controllable motor driving the gas pump 12 is a voltage-controlled direct current motor with electronic commutation, which permits analog control and thus analog torque changes.
- a synchronous motor with a high-energy, permanent-magnet rotor with a cobalt alloy on the circumference of the rotor is particularly suitable for such purposes.
- a control unit 16 designed as a microprocessor is connected via electrical lines, one of which leads via the computer 6 in the dispenser housing 2, to the pulse generator 5 of the liquid measuring motor 4 and to the electric motor 18 for the gas feed pump 12.
- the control unit 16 receives from the liquid measuring motor 4 the signals generated by the pulse generator 5 and proportional to the tanked fuel volume as an actual value.
- the control unit 16 receives from the electric motor 18 as an additional
- the input variable is a tacho voltage induced when the electric motor is operating as a tachogenerator, which represents a feedback signal proportional to the rotary movement as a measure of the instantaneous flow value of the return gas.
- the control unit 16 carries out the comparison of these two input variables and, in the event of a deviation from a proportional ratio between the speed and the amount of gas recirculated, which is determined by calibration, produces a control variable which, as a counter electromotive force (EMF), adjusts the speed of the electric motor.
- EMF counter electromotive force
- the tanked fuel volume represents the actual value and the returned gas volume the setpoint of the control loop.
- the control is set so that the ratio is normally 1, i.e. 100% fuel volume corresponds to 100% returned gas volume.
- This ratio can, however, be corrected, for example, in such a way that 100% of the returned gas quantity as the target value corresponds to the actual value of the 100% fueled fuel volume in order to achieve an increased back-suction effect.
- the control speed is in turn set so that a design-related inertia effect of the gas feed pump is compensated, that is to say a certain hysteresis is counteracted. This takes place in the control unit 16 in a purely electronic way.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL92300000A PL170742B1 (pl) | 1991-11-13 | 1992-11-13 | Urzadzenie do tankowania samochodów PL |
EP92923507A EP0601132B1 (de) | 1991-11-13 | 1992-11-13 | Vorrichtung zum betanken von kraftfahrzeugen mit gasrückführung durch eine motorgetriebene gasförderpumpe |
DE59206827T DE59206827D1 (de) | 1991-11-13 | 1992-11-13 | Vorrichtung zum betanken von kraftfahrzeugen mit gasrückführung durch eine motorgetriebene gasförderpumpe |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4137345.6 | 1991-11-13 | ||
DE4137345A DE4137345A1 (de) | 1991-11-13 | 1991-11-13 | Vorrichtung zum betanken von kraftfahrzeugen mit gasrueckfuehrung durch eine motorgetriebene gasfoerderpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993010036A1 true WO1993010036A1 (de) | 1993-05-27 |
Family
ID=6444727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1992/002616 WO1993010036A1 (de) | 1991-11-13 | 1992-11-13 | Vorrichtung zum betanken von kraftfahrzeugen mit gasrückführung durch eine motorgetriebene gasförderpumpe |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0601132B1 (de) |
AT (1) | ATE140686T1 (de) |
CZ (1) | CZ282025B6 (de) |
DE (2) | DE4137345A1 (de) |
HU (1) | HU216381B (de) |
PL (1) | PL170742B1 (de) |
TW (1) | TW293003B (de) |
WO (1) | WO1993010036A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0678476A1 (de) * | 1994-04-16 | 1995-10-25 | Scheidt & Bachmann Gmbh | Einrichtung zur Abgabe flüssiger Kraftstoffe |
EP0870728A1 (de) * | 1997-04-10 | 1998-10-14 | Scheidt & Bachmann Gmbh | Einrichtung zur Abgabe flüssiger Kraftstoffe |
FR2796636A1 (fr) * | 1999-07-23 | 2001-01-26 | Solutions Serv Syst France | Procede de controle du bon fonctionnement du systeme de recuperation de vapeur emise dans une installation de distribution de carburant ainsi qu'installation permettant la mise en oeuvre de ce procede |
FR2796635A1 (fr) * | 1999-07-23 | 2001-01-26 | Solutions Serv Syst France | Procede de controle du bon fonctionnement du systeme de recuperation de vapeur emise dans une installation de distribution de carburant ainsi qu'installation permettant la mise en oeuvre de ce procede |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2641267A1 (fr) * | 1989-01-04 | 1990-07-06 | Nuovo Pignone Spa | Systeme pour une recuperation sure de vapeurs, particulierement pour les installations de distribution de carburant |
DE3903603A1 (de) * | 1989-02-08 | 1990-08-09 | Schwelm Tanksysteme Gmbh | Tankanlage fuer kraftfahrzeuge |
DE9007190U1 (de) * | 1990-06-28 | 1990-08-30 | Tankanlagen Salzkotten GmbH, 4796 Salzkotten | Vorrichtung zum Betanken von Kraftfahrzeugen mit Gasrückführung durch eine motorgetriebene Gasförderpumpe |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3613453A1 (de) * | 1986-04-21 | 1987-10-22 | Deutsche Geraetebau Gmbh | Vorrichtung zum betanken von kraftfahrzeugen |
DE8717378U1 (de) * | 1987-10-05 | 1988-09-15 | Tankanlagen Salzkotten GmbH, 4796 Salzkotten | Zapfsäule für den Einbau in Kraftfahrzeugtankstellen mit Dampfabsaugung durch eine Gasförderpumpe |
-
1991
- 1991-11-13 DE DE4137345A patent/DE4137345A1/de not_active Ceased
-
1992
- 1992-11-13 CZ CS931291A patent/CZ282025B6/cs not_active IP Right Cessation
- 1992-11-13 WO PCT/EP1992/002616 patent/WO1993010036A1/de active IP Right Grant
- 1992-11-13 EP EP92923507A patent/EP0601132B1/de not_active Expired - Lifetime
- 1992-11-13 PL PL92300000A patent/PL170742B1/pl unknown
- 1992-11-13 DE DE59206827T patent/DE59206827D1/de not_active Expired - Fee Related
- 1992-11-13 AT AT92923507T patent/ATE140686T1/de not_active IP Right Cessation
- 1992-11-13 HU HU9301975A patent/HU216381B/hu not_active IP Right Cessation
- 1992-12-24 TW TW081109800A patent/TW293003B/zh active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2641267A1 (fr) * | 1989-01-04 | 1990-07-06 | Nuovo Pignone Spa | Systeme pour une recuperation sure de vapeurs, particulierement pour les installations de distribution de carburant |
DE3903603A1 (de) * | 1989-02-08 | 1990-08-09 | Schwelm Tanksysteme Gmbh | Tankanlage fuer kraftfahrzeuge |
DE9007190U1 (de) * | 1990-06-28 | 1990-08-30 | Tankanlagen Salzkotten GmbH, 4796 Salzkotten | Vorrichtung zum Betanken von Kraftfahrzeugen mit Gasrückführung durch eine motorgetriebene Gasförderpumpe |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0678476A1 (de) * | 1994-04-16 | 1995-10-25 | Scheidt & Bachmann Gmbh | Einrichtung zur Abgabe flüssiger Kraftstoffe |
EP0870728A1 (de) * | 1997-04-10 | 1998-10-14 | Scheidt & Bachmann Gmbh | Einrichtung zur Abgabe flüssiger Kraftstoffe |
US5992474A (en) * | 1997-04-10 | 1999-11-30 | Scheidt & Bachmann Gmbh | Device for dispensing liquid fluids |
FR2796636A1 (fr) * | 1999-07-23 | 2001-01-26 | Solutions Serv Syst France | Procede de controle du bon fonctionnement du systeme de recuperation de vapeur emise dans une installation de distribution de carburant ainsi qu'installation permettant la mise en oeuvre de ce procede |
FR2796635A1 (fr) * | 1999-07-23 | 2001-01-26 | Solutions Serv Syst France | Procede de controle du bon fonctionnement du systeme de recuperation de vapeur emise dans une installation de distribution de carburant ainsi qu'installation permettant la mise en oeuvre de ce procede |
US6418981B1 (en) | 1999-07-23 | 2002-07-16 | Tokheim Services France | Method of checking that a system for recovering vapour emitted in a fuel dispensing installation is operating correctly and installation enabling said method to be implemented |
BE1013809A3 (fr) * | 1999-07-23 | 2002-09-03 | Tokheim Services France | Procede de controle du bon fonctionnement du systeme de recuperation de vapeur emise dans une installation de distribution de carburant ainsi qu'installation permettant la mise en oeuvre de ce procede. |
Also Published As
Publication number | Publication date |
---|---|
PL300000A1 (en) | 1994-01-24 |
CZ129193A3 (en) | 1995-11-15 |
HU216381B (hu) | 1999-06-28 |
PL170742B1 (pl) | 1997-01-31 |
DE59206827D1 (de) | 1996-08-29 |
DE4137345A1 (de) | 1993-05-19 |
ATE140686T1 (de) | 1996-08-15 |
HUT68362A (en) | 1995-06-28 |
TW293003B (de) | 1996-12-11 |
CZ282025B6 (cs) | 1997-04-16 |
EP0601132A1 (de) | 1994-06-15 |
EP0601132B1 (de) | 1996-07-24 |
HU9301975D0 (en) | 1993-10-28 |
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