EP0497015B1 - Device for dispensing hydrocarbons with vapor recovery - Google Patents
Device for dispensing hydrocarbons with vapor recovery Download PDFInfo
- Publication number
- EP0497015B1 EP0497015B1 EP91203395A EP91203395A EP0497015B1 EP 0497015 B1 EP0497015 B1 EP 0497015B1 EP 91203395 A EP91203395 A EP 91203395A EP 91203395 A EP91203395 A EP 91203395A EP 0497015 B1 EP0497015 B1 EP 0497015B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- vapor recovery
- hydrocarbon
- pipe
- hydrocarbons
- 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
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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
- B67D7/04—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
Definitions
- the present invention relates to a device for distributing hydrocarbons with vapor recovery.
- the present invention relates, in a device for distributing hydrocarbons with vapor recovery, a lubrication system of the pump of the vapor recovery circuit.
- the vapor recovery pumps are subjected to a particularly severe operating regime, which explains the difficulties encountered in their development and the frequent failures of the vapor recovery systems that are currently encountered.
- the fluid conveyed by the suction of vapors comprises a mixture of more or less dry air, hydrocarbons in gaseous form which may possibly condense, as well as dust and possibly salt spray. Consequently, due to the absence of hydrocarbons in liquid form, there is no lubrication of the moving parts of the pump and moreover the gaseous mixture can be corrosive.
- the pump would therefore be necessary for the pump to be permanently lubricated. It is understood that it is not possible to lubricate such a pump with a more or less viscous oil. Indeed, this lubricating oil would be found at the end of the vapor recovery pipe in the tank containing the hydrocarbons which are subsequently pumped to deliver the hydrocarbon to the users.
- An object of the invention is to provide a vapor recovery system in which the pump is effectively permanently lubricated under conditions acceptable for the lubrication liquid and which, moreover, does not entail additional energy consumption.
- the vapor recovery hydrocarbon distribution device comprises a distribution lance, a hydrocarbon supply circuit comprising a hydrocarbon supply pipe, connected to the lance, on which is mounted a hydrocarbon pump and it is characterized in that it further comprises a vapor recovery pipe opening into a hydrocarbon storage tank, a vapor recovery pump mounted on said vapor recovery pipe and a pipe lubricating pressure drop calibrated to circulate continuously, when the distributor is running, a flow q of hydrocarbons between the hydrocarbon supply circuit and said vapor recovery pump.
- the vapor recovery pump is lubricated by the liquid hydrocarbon itself taken from the supply circuit.
- the mixture which is returned to the storage tank therefore only comprises hydrocarbons in liquid or gaseous form and therefore does not alter the composition of the mixture delivered to users.
- the lubrication pipe connects the hydrocarbon pump to the vapor recovery pump.
- the overpressure in the supply pump is sufficient to cause lubrication of the vapor recovery pump.
- the lubrication pipe connects a deaeration tank associated with the feed pump to the intake of the vapor recovery pump.
- the deaeration tank being substantially at atmospheric pressure, the vacuum which exists at the intake of the vapor recovery pump is sufficient to cause the circulation of the lubricating hydrocarbon.
- the device comprises, in a well known manner, a tank 10 for storing hydrocarbons, a pipe 12 for withdrawing hydrocarbons from the tank 10, this pipe 12 opening into the tank 14 of a hydrocarbon supply pump 16.
- This pump can be of any suitable type, such as a gear pump as is well known in the technical field considered.
- the pump 16 is associated with a motor 18 which drives the pump 16 by a pulley and belt transmission system 20.
- the outlet of the pump 16 is connected to the oil distribution lance 22 by a pipe 24 and a hose 26 connected to the lance 22.
- a second line 28 is connected to the lance 22 and to the vapor recovery line 30.
- the line 30 is connected to the inlet inlet 32 d a pump 34, for example of the gear or vane type, the pump 34 being driven by the motor 36.
- the mixture of vapors driven by the pump 34 is discharged towards the storage tank 10 via a pipe 38.
- a capillary pipe 40 connects the tank 14 of the hydrocarbon feed pump 16 to the tank of the vapor recovery pump 34. It is understood that the end 40a of the pipe 40 opening into the pump d 'feed 14 is at a pressure P which is of the order of 1.5 to 4 bars, when the distributor is in operation.
- FIG. 2 the vapor recovery circuit is identical to that of FIG. 1 and will therefore not be described again.
- the hydrocarbon supply circuit only a tank 42 for deaeration of the hydrocarbon has been made visible, which is disposed above the pump 16.
- the deaeration tank 42 is supplied by a low flow rate derived from the supply of hydrocarbons and the pressure in the tank is maintained at atmospheric pressure. In other words, below the level 44 of hydrocarbons contained in the tank 42, there is substantially atmospheric pressure.
- the lubrication line 46 connects the deaeration tank 42, via the tube 48 which plunges into the hydrocarbon, to the intake zone 32 of the pump 34 for vapor recovery.
- the tube 46 is a tube calibrated to ensure a flow of hydrocarbons of the order of 1 cm 3 per minute.
- the tube 46 is a tube calibrated to ensure a flow of hydrocarbons of the order of 1 cm 3 per minute.
- the end 46a of the pipe 46 opens into the suction zone of the pump 34, there exists in this region when the pump 34 is in operation a slight depression which is sufficient to cause the flow q of hydrocarbons in the pipe 46 and therefore ensuring the lubrication of the pump 34 under conditions already explained in connection with FIG. 1.
- the pressure difference between the open end of the tube 46a and the end 48a is only of the order of 30 millibars.
- This pressure must be compared with the pressure P used in the first embodiment which is of the order of 3 bars.
- P used in the first embodiment which is of the order of 3 bars.
- the vacuum at the suction level of the pump 34 is a function of the speed of rotation of the pump 34. It is understood that thus that the flow of hydrocarbons used for the lubrication of this pump is all the greater the higher the rotation speed of the pump, which is obviously favorable for the proper functioning of the vapor recovery pump 34.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
Description
La présente invention a pour objet un dispositif de distribution d'hydrocarbures à récupération de vapeurs.The present invention relates to a device for distributing hydrocarbons with vapor recovery.
De façon plus précise, la présente invention concerne, dans un dispositif de distribution d'hydrocarbures à récupération de vapeurs, un système de lubrification de la pompe du circuit de récupération de vapeurs.More specifically, the present invention relates, in a device for distributing hydrocarbons with vapor recovery, a lubrication system of the pump of the vapor recovery circuit.
On sait que, pour des raisons d'environnement et de confort des utilisateurs de pompes à essence, on tend de plus en plus à équiper ou à chercher à équiper les distributeurs d'hydrocarbures de systèmes de récupération et de recyclage des vapeurs d'hydrocarbures émises dans l'atmosphère pendant le remplissage des réservoirs automobiles.We know that, for environmental reasons and the comfort of users of petrol pumps, there is an increasing tendency to equip or seek to equip hydrocarbon distributors with systems for recovering and recycling hydrocarbon vapors. emitted into the atmosphere during the filling of automobile tanks.
Pour avoir des systèmes efficaces, il est nécessaire de prévoir des moyens de pompage dans le circuit de récupération de vapeurs pour aider au transfert des produits gazeux au travers des tubulures flexibles et de la lance de distribution qui présentent des pertes de charge non négligeables.To have effective systems, it is necessary to provide pumping means in the vapor recovery circuit to assist in the transfer of gaseous products through flexible pipes and the dispensing lance which have significant head losses.
Les pompes de récupération de vapeurs sont soumises à un régime de fonctionnement particulièrement sévère, ce qui explique les difficultés rencontrées dans leur mise au point et les défaillances fréquentes des systèmes de récupération de vapeurs que l'on rencontre actuellement. En effet, le fluide véhiculé par l'aspiration de vapeurs comprend un mélange d'air plus ou moins sec, d'hydrocarbures sous forme gazeuse qui peuvent éventuellement se condenser, ainsi que des poussières et éventuellement du brouillard salin. En conséquence, en raison de l'absence d'hydrocarbures sous forme liquide, il n'y pas de lubrification des parties mobiles de la pompe et de plus le mélange gazeux peut être corrosif.The vapor recovery pumps are subjected to a particularly severe operating regime, which explains the difficulties encountered in their development and the frequent failures of the vapor recovery systems that are currently encountered. Indeed, the fluid conveyed by the suction of vapors comprises a mixture of more or less dry air, hydrocarbons in gaseous form which may possibly condense, as well as dust and possibly salt spray. Consequently, due to the absence of hydrocarbons in liquid form, there is no lubrication of the moving parts of the pump and moreover the gaseous mixture can be corrosive.
En outre, pour obtenir un taux de pompage et un bon rendement volumétrique de la pompe à toute vitesse, il est nécessaire d'avoir des contacts étroits entre les différentes pièces en mouvement de la pompe, c'est-à-dire d'avoir une bonne étanchéité entre celles-ci. De plus, la recherche de cette étanchéité, et donc des ajustements mis en oeuvre, peut conduire à un échauffement non négligeable de certaines de ces pièces créant de nouveaux problèmes.In addition, to obtain a pumping rate and a good volumetric efficiency of the pump at any speed, it is necessary to have close contacts between the different moving parts of the pump, i.e. to have a good seal between them. In addition, the search for this seal, and therefore the adjustments implemented, can lead to significant heating of some of these parts creating new problems.
Pour remédier à ces inconvénients, il serait donc nécessaire que la pompe soit lubrifiée en permanence. On comprend qu'il n'est pas possible de lubrifier une telle pompe avec une huile plus ou moins visqueuse. En effet, cette huile de lubrification se retrouverait en fin de canalisation de récupération de vapeurs dans la citerne contenant les hydrocarbures qui sont ultérieurement pompés pour délivrer de l'hydrocarbure aux usagers.To overcome these drawbacks, it would therefore be necessary for the pump to be permanently lubricated. It is understood that it is not possible to lubricate such a pump with a more or less viscous oil. Indeed, this lubricating oil would be found at the end of the vapor recovery pipe in the tank containing the hydrocarbons which are subsequently pumped to deliver the hydrocarbon to the users.
Un objet de l'invention est de fournir un système de récupération de vapeurs dans lequel la pompe est effectivement lubrifiée en permanence dans des conditions acceptables quant au liquide de lubrification et qui, par ailleurs, n'entraîne pas une consommation supplémentaire d'énergie.An object of the invention is to provide a vapor recovery system in which the pump is effectively permanently lubricated under conditions acceptable for the lubrication liquid and which, moreover, does not entail additional energy consumption.
Pour atteindre ce but, le dispositif de distribution d'hydrocarbures à récupération de vapeurs selon l'invention comprend une lance de distribution, un circuit d'alimentation en hydrocarbures comportant une conduite d'alimentation en hydrocarbures, raccordée à la lance, sur laquelle est montée une pompe à hydrocarbures et il se caractérise en ce qu'il comprend en outre une conduite de récupération de vapeurs débouchant dans une cuve de stockage d'hydrocarbures, une pompe de récupération de vapeurs montée sur ladite conduite de récupération de vapeurs et une conduite de lubrification à perte de charge calibrée pour faire circuler en permanence, lorsque le distributeur fonctionne, un débit q d'hydrocarbures entre le circuit d'alimentation en hydrocarbures et ladite pompe de récupération de vapeurs.To achieve this aim, the vapor recovery hydrocarbon distribution device according to the invention comprises a distribution lance, a hydrocarbon supply circuit comprising a hydrocarbon supply pipe, connected to the lance, on which is mounted a hydrocarbon pump and it is characterized in that it further comprises a vapor recovery pipe opening into a hydrocarbon storage tank, a vapor recovery pump mounted on said vapor recovery pipe and a pipe lubricating pressure drop calibrated to circulate continuously, when the distributor is running, a flow q of hydrocarbons between the hydrocarbon supply circuit and said vapor recovery pump.
On comprend qu'ainsi la pompe de récupération de vapeurs est lubrifiée par l'hydrocarbure liquide lui-même prélevé dans le circuit d'alimentation. Le mélange qui est renvoyé vers le réservoir de stockage ne comprend donc que des hydrocarbures sous forme liquide ou gazeuse et n'altère donc pas la composition du mélange délivré aux utilisateurs.It is understood that thus the vapor recovery pump is lubricated by the liquid hydrocarbon itself taken from the supply circuit. The mixture which is returned to the storage tank therefore only comprises hydrocarbons in liquid or gaseous form and therefore does not alter the composition of the mixture delivered to users.
Selon un premier mode de mise en oeuvre, la conduite de lubrification relie la pompe à hydrocarbures à la pompe de récupération de vapeur. La surpression dans la pompe d'alimentation est suffisante pour provoquer la lubrification de la pompe de récupération de vapeurs.According to a first embodiment, the lubrication pipe connects the hydrocarbon pump to the vapor recovery pump. The overpressure in the supply pump is sufficient to cause lubrication of the vapor recovery pump.
Selon un deuxième mode de mise en oeuvre, la conduite de lubrification relie un bac de désaération associé à la pompe d'alimentation à l'admission de la pompe de récupération de vapeurs. Le bac de désaération étant sensiblement à la pression atmosphérique, la dépression qui existe à l'admission de la pompe de récupération de vapeur est suffisante pour provoquer la circulation de l'hydrocarbure de lubrification.According to a second embodiment, the lubrication pipe connects a deaeration tank associated with the feed pump to the intake of the vapor recovery pump. The deaeration tank being substantially at atmospheric pressure, the vacuum which exists at the intake of the vapor recovery pump is sufficient to cause the circulation of the lubricating hydrocarbon.
D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description qui suit de plusieurs modes de réalisation de l'invention donnés à titre d'exemples non limitatifs. La description se réfère aux figures annexées sur lesquelles :
- la figure 1 est un schéma simplifié d'un dispositif de distribution d'hydrocarbures comportant un premier mode de réalisation du circuit de lubrification ; et
- la figure 2 est un schéma similaire à celui de la figure 1 montrant un deuxième mode de réalisation du circuit de lubrification.
- Figure 1 is a simplified diagram of a hydrocarbon distribution device comprising a first embodiment of the lubrication circuit; and
- Figure 2 is a diagram similar to that of Figure 1 showing a second embodiment of the lubrication circuit.
En se référant tout d'abord à la figure 1, on va décrire un premier mode de réalisation du dispositif de distribution d'hydrocarbures avec son système de lubrification de la pompe de récupération de vapeurs.Referring first to Figure 1, we will describe a first embodiment of the hydrocarbon distribution device with its lubrication system of the vapor recovery pump.
Le dispositif comprend de façon bien connue une cuve 10 de stockage d'hydrocarbures, une canalisation 12 de prélèvement d'hydrocarbures dans la cuve 10, cette canalisation 12 débouchant dans la bâche 14 d'une pompe d'alimentation en hydrocarbures 16. Cette pompe peut être de tout type convenable, telle qu'une pompe à engrenages comme celà est bien connu dans le domaine technique considéré. La pompe 16 est associée à un moteur 18 qui entraîne la pompe 16 par un système de transmission par poulies et courroies 20. La sortie de la pompe 16 est reliée à la lance de distribution d'hydrocarbures 22 par une conduite 24 et un flexible 26 raccordé à la lance 22. En outre, comme celà est bien connu dans les systèmes de distribution d'hydrocarbures à récupération de vapeurs, une deuxième conduite 28 est reliée à la lance 22 et à la canalisation de récupération de vapeurs 30. La canalisation 30 est reliée à l'entrée d'admission 32 d'une pompe 34, par exemple du type à engrenages ou à palette, la pompe 34 étant entraînée par le moteur 36. Le mélange de vapeurs entraîné par la pompe 34 est refoulé vers la cuve de stockage 10 par l'intermédiaire d'une canalisation 38.The device comprises, in a well known manner, a
Dans la description précédente, on a décrit un système classique de distribution d'hydrocarbures à récupération de vapeurs dans lequel la pompe de récupération 34 n'est pas lubrifiée.In the foregoing description, a conventional vapor recovery hydrocarbon distribution system has been described in which the
Selon l'invention, une conduite capillaire 40 relie la bâche 14 de la pompe d'alimentation en hydrocarbures 16 à la bâche de la pompe de récupération de vapeurs 34. On comprend que l'extrémité 40a de la conduite 40 débouchant dans la pompe d'alimentation 14 est à une pression P qui est de l'ordre de 1,5 à 4 bars, lorsque le distributeur est en fonctionnement.According to the invention, a
Les expériences ont montré que le débit d'hydrocarbure amené par la conduite 40 jusqu'à la pompe de récupération de vapeurs 34 doit être de l'ordre de 1 cm3 par minute. Dans les conditions normales de fonctionnement (quelques bars de pression et liquide peu visqueux tel que le supercarburant sans plomb), le débit effectif q pourrait être très supérieur à 1 cm3 par minute si on utilise les tubes capillaires de dimensions courantes. Pour remédier à celà, son diamètre interne étant de l'ordre de 0,5 mm et sa longueur de l'ordre de 1,5 m, on glisse à l'intérieur du tube un fil d'un diamètre inférieur à 0,5 mm, ce qui conduit à une augmentation notable de sa résistance interne.Experiments have shown that the flow of hydrocarbon supplied via
On comprend qu'ainsi l'hydrocarbure amené à la pompe de récupération de vapeurs, par le jeu des frottements entre les différentes pièces en mouvement, vient lubrifier les différentes parties en contact les unes avec les autres, ce qui permet de résoudre à la fois les problèmes d'usure, d'échauffement et d'étanchéité.It is understood that thus the hydrocarbon brought to the vapor recovery pump, by the play of friction between the different moving parts, lubricates the different parts in contact with each other, which makes it possible to solve both the problems of wear, heating and sealing.
En se référant maintenant à la figure 2, on va décrire un deuxième mode de réalisation de l'invention. Sur la figure 2, le circuit de récupération de vapeurs est identique à celui de la figure 1 et on ne le décrira donc pas à nouveau. En ce qui concerne le circuit d'alimentation en hydrocarbures, on a seulement fait apparaître en plus un bac 42 de désaération de l'hydrocarbure qui est disposé au-dessus de la pompe 16. Comme celà est connu le bac de désaération 42 est alimenté par un faible débit dérivé de l'alimentation en hydrocarbures et la pression dans le bac est maintenue à la pression atmosphérique. En d'autres termes, en-dessous du niveau 44 d'hydrocarbures contenus dans le bac 42, règne sensiblement la pression atmosphérique.Referring now to Figure 2, we will describe a second embodiment of the invention. In FIG. 2, the vapor recovery circuit is identical to that of FIG. 1 and will therefore not be described again. As regards the hydrocarbon supply circuit, only a
Dans ce deuxième mode de réalisation, la conduite de lubrification 46 relie le bac de désaération 42, par l'intermédiaire du tube 48 qui plonge dans l'hydrocarbure, à la zone d'admission 32 de la pompe 34 de récupération de vapeurs. De la même manière, le tube 46 est un tube calibré pour assurer un débit d'hydrocarbures de l'ordre de 1 cm3 par minute. Dans ce cas on comprend que, à l'extrémité ouverte 48a du tube 48, il règne une pression sensiblement égale à la pression atmosphérique. Cependant, comme l'extrémité 46a de la conduite 46 débouche dans la zone d'aspiration de la pompe 34, il existe dans cette région lorsque la pompe 34 est en fonctionnement une légère dépression qui est suffisante pour provoquer le débit q d'hydrocarbures dans la conduite 46 et donc d'assurer la lubrification de la pompe 34 dans des conditions déjà expliquées en liaison avec la figure 1.In this second embodiment, the
Selon ce mode de réalisation, la différence de pression entre l'extrémité ouverte du tube 46a et l'extrémité 48a est seulement de l'ordre de 30 millibars. Il faut comparer cette pression à la pression P utilisée dans le premier mode de réalisation qui est de l'ordre de 3 bars. Il faut bien sûr tenir compte de cette valeur de différence de pression pour déterminer le diamètre de la conduite 46. On comprend que la dépression au niveau de l'aspiration de la pompe 34 est une fonction de la vitesse de rotation de la pompe 34. On comprend qu'ainsi que le débit d'hydrocarbures servant à la lubrification de cette pompe est d'autant plus grand que la vitesse de rotation de la pompe est élevée, ce qui est évidemment favorable au bon fonctionnement de la pompe de récupération de vapeurs 34.According to this embodiment, the pressure difference between the open end of the
Il résulte de la description précédente que, grâce au dispositif de lubrification de la pompe de récupération de vapeurs 34, celle-ci peut fonctionner dans des conditions optimales puisque lubrifiée par l'hydrocarbure liquide lui-même en quantité suffisante. En outre, le mélange refoulé dans la cuve de stockage n'est modifié que par l'adjonction d'hydrocarbures, ce qui est évidemment sans conséquence sur la composition de l'hydrocarbure qui est prélevé par le système d'alimentation dans cette même cuve.It follows from the preceding description that, thanks to the lubrication device of the
Enfin, il faut souligner que le débit d'hydrocarbures de lubrification n'entraîne pratiquement aucune consommation supplémentaire d'énergie puisque ce débit est très faible et que la mise en circulation de cette fraction du débit d'hydrocarbures est obtenue sous l'effet d'une différence de pression préexistant dans le distributeur d'hydrocarbures.Finally, it should be emphasized that the flow rate of lubrication hydrocarbons results in practically no additional energy consumption since this flow rate is very low and that the circulation of this fraction of the flow rate of hydrocarbons is obtained under the effect of '' a pre-existing pressure difference in the hydrocarbon distributor.
Claims (5)
- A device for dispensing hydrocarbons with vapor recovery, comprising a dispensing nozzle, a feed circuit including a hydrocarbon feed pipe in which a hydrocarbon pump is fitted, wherein said device further comprises a vapor recovery pipe discharging into a hydrocarbon storage tank, a vapor recovery pump fitted in said recovery pipe, and a lubricating pipe with a calibrated pressure drop to feed a flow q of hydrocarbon from said feed circuit to said vapor recovery pump.
- A device according to claim 1, wherein said lubricating pipe connects the hydrocarbon pump to the vapor recovery pump.
- A device according to claim 1 in which said feed circuit further comprises a de-aeration chamber, wherein said lubricating pipe connects said de-aeration chamber to the inlet of said vapor recovery pump.
- A device according to claim 1, wherein said lubricating pipe is constituted by a capillary tube having an inside diameter in the order of 0.5 mm.
- A device according to claim 1, wherein said hydrocarbon flow q for lubrication is in the order of 1 cc per minute.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9100638A FR2671789B1 (en) | 1991-01-21 | 1991-01-21 | DEVICE FOR DISPENSING HYDROCARBONS WITH VAPOR RECOVERY. |
| FR9100638 | 1991-01-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0497015A1 EP0497015A1 (en) | 1992-08-05 |
| EP0497015B1 true EP0497015B1 (en) | 1995-03-08 |
Family
ID=9408882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91203395A Expired - Lifetime EP0497015B1 (en) | 1991-01-21 | 1991-12-23 | Device for dispensing hydrocarbons with vapor recovery |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5222532A (en) |
| EP (1) | EP0497015B1 (en) |
| JP (1) | JPH04311497A (en) |
| AT (1) | ATE119500T1 (en) |
| DE (1) | DE69107999T2 (en) |
| DK (1) | DK0497015T3 (en) |
| ES (1) | ES2069195T3 (en) |
| FR (1) | FR2671789B1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5464466A (en) * | 1993-11-16 | 1995-11-07 | Gilbarco, Inc. | Fuel storage tank vent filter system |
| US5843212A (en) * | 1995-05-12 | 1998-12-01 | Gilbarco Inc. | Fuel tank ullage pressure reduction |
| US5571310A (en) * | 1995-05-12 | 1996-11-05 | Gilbarco Inc. | Volatile organic chemical tank ullage pressure reduction |
| FR2823191B1 (en) * | 2001-04-06 | 2003-09-05 | Tokheim Services France | METHOD FOR CONTROLLING THE HYDROCARBON CONTENT OF A CIRCULATING STEAM IN A SYSTEM EQUIPPED WITH A STEAM VAPOR SYSTEM |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098308A (en) * | 1976-06-07 | 1978-07-04 | The Standard Oil Company | Vapor recovering fuel dispensing nozzle |
| US4082122A (en) * | 1976-10-19 | 1978-04-04 | Texaco Inc. | Closed fuel system with vacuum assist |
| GB1582585A (en) * | 1977-10-05 | 1981-01-14 | Healy J W | Vapour recovery in a liquid dispensing unit |
| US4197883A (en) * | 1978-01-16 | 1980-04-15 | Texaco Inc. | Secondary fuel recovery system |
| US4202385A (en) * | 1978-02-14 | 1980-05-13 | Atlantic Richfield Company | Liquid dispensing, vapor recovery system |
| US4260000A (en) * | 1979-06-04 | 1981-04-07 | Texaco Inc. | Fuel dispensing system with controlled vapor withdrawal |
| US4566504A (en) * | 1983-09-15 | 1986-01-28 | Gilbarco Inc. | Insertion tube liquid evacuator system for vapor recovery hose |
| JPH0777918B2 (en) * | 1990-06-08 | 1995-08-23 | 株式会社タツノ・メカトロニクス | Vapor recovery device in refueling device |
| US5156199A (en) * | 1990-12-11 | 1992-10-20 | Gilbarco, Inc. | Control system for temperature compensated vapor recovery in gasoline dispenser |
-
1991
- 1991-01-21 FR FR9100638A patent/FR2671789B1/en not_active Expired - Fee Related
- 1991-12-23 DK DK91203395.8T patent/DK0497015T3/en active
- 1991-12-23 ES ES91203395T patent/ES2069195T3/en not_active Expired - Lifetime
- 1991-12-23 EP EP91203395A patent/EP0497015B1/en not_active Expired - Lifetime
- 1991-12-23 DE DE69107999T patent/DE69107999T2/en not_active Expired - Fee Related
- 1991-12-23 AT AT91203395T patent/ATE119500T1/en not_active IP Right Cessation
-
1992
- 1992-01-16 US US07/821,795 patent/US5222532A/en not_active Expired - Lifetime
- 1992-01-21 JP JP4008632A patent/JPH04311497A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0497015A1 (en) | 1992-08-05 |
| FR2671789A1 (en) | 1992-07-24 |
| FR2671789B1 (en) | 1993-04-30 |
| ES2069195T3 (en) | 1995-05-01 |
| US5222532A (en) | 1993-06-29 |
| ATE119500T1 (en) | 1995-03-15 |
| DE69107999D1 (en) | 1995-04-13 |
| DK0497015T3 (en) | 1995-05-22 |
| DE69107999T2 (en) | 1995-08-03 |
| JPH04311497A (en) | 1992-11-04 |
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