EP2910520B1 - Fueling device - Google Patents
Fueling device Download PDFInfo
- Publication number
- EP2910520B1 EP2910520B1 EP13847484.6A EP13847484A EP2910520B1 EP 2910520 B1 EP2910520 B1 EP 2910520B1 EP 13847484 A EP13847484 A EP 13847484A EP 2910520 B1 EP2910520 B1 EP 2910520B1
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- EP
- European Patent Office
- Prior art keywords
- fueling
- fuel oil
- water
- case
- detecting
- 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.)
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Classifications
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- 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
- B67D7/84—Casings, cabinets or frameworks; Trolleys or like movable supports
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- 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
- B67D7/3236—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid relating to electrostatic charges
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- 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
Description
- The present invention relates to a fueling apparatus for supplying fuel oil to automobiles, and more particularly to a fueling apparatus having a function of detecting intermixture of water in fuel oil.
- In gas stations, fuel oil supplied to automobiles from fueling apparatus is stored in oil storage tanks. Since these oil storage tanks are buried underground in the gas stations, water generated by dew condensation of water vapor in the air may be mixed in fuel oil in the oil storage tank and groundwater may permeate the oil storage tank because of corrosion of the oil storage tank. In addition, since the oil storage tank and the fueling apparatus are connected with each other through oil lines buried underground, when a small hole opens in the oil storage tank by the corrosion, the groundwater will be sucked through this small hole and the water will be mixed in the fuel oil.
- Then, when fuel oil in which water is mixed is supplied to automobiles, it may cause a major accident such as engine breakage by poor combustion. In view of the situation described above, a fueling apparatus with a function of detecting intermixture of water in fuel oil has been desired.
- Here, it is possible to detect whether a water is mixed in a fuel oil or not with various sensors. However, the fuel oil treated with fueling apparatus is inflammable, and a fuel oil supply system including a pump unit and a flowmeter is arranged in an area where vapor of fuel oil exists, what is called a dangerous area, so that the various sensors should be in the dangerous area also. Therefore, when transmitting detection results of the sensors through electric signal, there exists a problem that the sensors and an electric device for processing the detection results of the sensors must be explosion-proof to prevent sparking. Since the sensors and the electric device with explosion-proof structure become large, it is difficult to install them in a narrow case of a fueling apparatus.
- As another conventional art exists a technique in which a fueling control device and an indicator for amount of oil supply, the both of which are not provided with explosion-proof structure, are disposed in an area where vapor of fuel oil is not filled (non-dangerous area) (refer to Patent document 1).
- However, it is necessary to mount the sensor for detecting intermixture of water in fuel oil in the fuel oil supply system, and the fuel oil supply system is arranged in the dangerous area where vapor of fuel oil exists. Therefore, in the conventional art mentioned above also, the sensor for detecting intermixture of water in fuel oil is required to be explosion-proof, and the problem mentioned above is not solved.
- Patent document 1: Japanese Patent Publication Heisei
11-106000 - A fuelling apparatus wherein a mixture of fuel and water is detected is known from
US 2012/0261437A1 . - The present invention has been made in consideration of the above problems in the conventional art, and the object thereof is to provide a fueling apparatus that can detect intermixture of water in fuel oil and does not necessitate a sensor for intermixture of water in fuel oil to be explosion-proof. Object of the present invention is a fuelling apparatus according to any of
claims - With the present invention, electric signals are not used in the dangerous area, so that sparks do not occur and it is not necessary to apply explosion-proof structure to the detection portion of the detection sensor. In addition, it is not necessary to apply explosion-proof structure to the control device for detecting intermixture of water and the photoelectric conversion device in the indicator case, which enables flexible layout placement of various devices. Further, in this position where the detecting portion is disposed, fuel oil and water are uniformly mixed with each other by the pump unit to become cloudy (condition that water exists in fuel oil as fine particles), so that it becomes easy to detect intermixture of water in fuel oil.
- With the present invention, electric signals are not used in the dangerous area, so that sparks do not occur and it is not necessary to apply explosion-proof structure to the detection portion of the detection sensor. In addition, it is not necessary to apply explosion-proof structure to the control device for detecting intermixture of water and the photoelectric conversion device in the indicator case, which enables flexible layout placement of various devices.
- In the fueling apparatus, the detection sensor comprises an optical fiber having the detecting portion at a tip thereof, and can have a portion where the optical fiber penetrates into a boundary portion between the dangerous area and the non-dangerous area can be sealed with a cable clamp.
- With this, a vapor of fuel oil in the dangerous area can be prevented from permeating the non-dangerous area.
- The fueling apparatus may further comprise: an agitator mounted to the oil line between the submersible pump and the flowmeter, wherein the detecting portion is disposed between the agitator and the connecting port of the fueling pipe to the fueling hose. In this position where the detecting portion is disposed, fuel oil and water are uniformly mixed with each other by the agitator to become cloudy, which makes it easy to detect intermixture of water in fuel oil.
- As mentioned above, with the present invention, it is possible to provide a fueling apparatus capable of detecting intermixture of water in fuel oil without requiring explosion-proof structure for a detecting sensor for detecting intermixture of water in fuel oil.
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FIG. 1 is a fragmentary sectional front view showing a fueling apparatus according to the first embodiment of the present invitation. -
FIG. 2 is an enlarged sectional view for explaining a condition that a cable clamp, which is used in the fueling apparatus shown inFIG. 1 , is attached. -
FIG. 3 is a perspective view exemplarily showing a condition that a detecting portion at a tip of an optical fiber is attached to a pump unit used in the fueling apparatus shown inFIG. 1 . -
FIG. 4 is an enlarged sectional view showing a portion where a detecting portion at a tip of an optical fiber is attached to the pump unit shown inFIG. 3 . -
FIG. 5 is a characteristic graph used for detecting intermixture of water in fuel oil. -
FIG. 6 is a block diagram of a controlling device of the fueling apparatus according to the present invention used for detecting whether water is mixed in a fuel oil or not while utilizing the characteristic shown inFIG. 5 . -
FIG. 7 is a flowchart showing a control of the fueling apparatus according to the present invention used for detecting whether water is mixed in a fuel oil or not while utilizing the characteristic shown inFIG. 5 . -
FIG. 8 is a fragmentary sectional front view showing a fueling apparatus according to the second embodiment of the present invitation. -
FIG. 9 is an enlarged sectional view showing a portion where a detecting portion at a tip of an optical fiber is attached to an agitator used in the fueling apparatus shown inFIG. 8 . - Next, embodiments of the present invention will be explained with reference to drawings. First, a fueling apparatus according to the first embodiment of the present invention will be explained with reference to
FIGs. 1 to 4 . - In
FIG. 1 , afueling apparatus 1 has anequipment case 2 and anindicator case 15. The inside of theequipment case 2 is a dangerous area where vapor of fuel oil exists with high possibility. The devices in theequipment case 2 are formed to be explosion-proof. In theequipment case 2 are provided apump unit 4 driven by a motor 3, aflowmeter 5 for measuring amount of oil supply and so on. - In this
pump unit 4 are provided an inflow port 4A, apump 4B, and adischarge port 4C, and to each of the inflow port 4A and thedischarge port 4C is provided astrainer 6. The inflow port 4A of thepump unit 4 is communicated with an underground oil storage tank 8 through anoil line 7. Thedischarge port 4C is connected to theflowmeter 5. As mentioned above, thepump 4B (gear pump shown inFIG. 1 ) is driven by the motor 3. - In the
fueling apparatus 1 shown inFIG. 1 stands up a fueling pipe 9 connected to theflowmeter 5 in the asupport 10. Then, to a connectingport 9A at a tip of the fueling pipe 9 is connected afueling hose 11; to a tip of thefueling hose 11 is attached afueling nozzle 12; and the fuelingnozzle 12 is hung on anozzle holder 13. In this connection, a circumference of the fueling pipe 9 is the dangerous area where vapor of fuel oil exists with high possibility. - The
indicator case 15 located above theequipment case 2 is a non-dangerous area where no vapor of fuel oil exists. Afueling control device 16, anindicator 17 and so on that are provided in theindicator case 15 are, unlike the devices in theequipment case 2, not explosion-proof. Thefueling control device 16 provided in theindicator case 15 is connected with the motor 3 in theequipment case 2 and theflowmeter 5 throughsignal wires 18. - The
indicator case 15 has avapor barrier 15A. To a portion where thesignal wire 18 penetrates thevapor barrier 15A is provided acable clamp 19. In other words, the portion where thesignal wire 18 penetrates thevapor barrier 15A is sealed by thecable clamp 19. Since the portion where thesignal wire 18 penetrates thevapor barrier 15A is sealed by thecable clamp 19, the vapor of fuel oil in theequipment case 2 is prevented from entering into theindicator case 15 along thesignal wire 18. - In the
indicator case 15 is provided acontrol device 21 for water detection, and aphotoelectric conversion device 22 connected to thecontrol device 21, and to thephotoelectric conversion device 22 is connected anoptical fiber 23b. Here, the sensor for water detection is comprehensively expressed asnumeral 23, and has theoptical fiber 23b. And, thesensor 23 has a function of detecting intermixture of water in fuel oil, and a detectingportion 23a (refer toFIG. 4 ) is a light-receiving portion at the tip of theoptical fiber 23b. - As described above, to the
vapor barrier 15A of theindicator case 15 is provided acable clamp 24; theoptical fiber 23b penetrates thecable clamp 24 to be introduced in theequipment case 2; and theoptical fiber 23b is disposed in an oil channel of thepump unit 4. Since the portion where theoptical fiber 23b penetrates thevapor barrier 15A is sealed by thecable clamp 24, the vapor of fuel oil in theequipment case 2 is prevented from entering into theindicator case 15 along theoptical fiber 23b. - More specifically, the vapor of fuel oil in the
equipment case 2 is prevented from entering into theindicator case 15 along thesignal wire 18, and this vapor is prevented from entering into theindicator case 15 along theoptical fiber 23b also. Therefore, theindicator case 15 is sealed against the vapor of fuel oil in theequipment case 2, so that theindicator case 15 becomes a safe area (non-dangerous area) where no accident occurs even through electric sparks or the like occur. - As shown in
FIG. 4 , at the tip ofoptical fiber 23b (light-receiving optical cable 232) is provided the detectingportion 23a of thesensor 23 for detecting intermixture of water. As described below, thesensor 23 for detecting intermixture of water is a light-receiving sensor, and it is possible to arrange the detectingportion 23a of thesensor 23 for detection to an area from theoil line 7 in communication with the oil storage tank 8 of the gas station buried underground to a connectingport 9A of the fuelinghose 11. The detecting portion is preferably arranged to an area to which hatching is attached inFIG. 1 , which means the area from an accommodation portion of a gear (rotating body) of thepump 4B to the connectingport 9A of the fuelinghose 11. - In addition, in
FIG. 1 , in theequipment case 2 and theindicator case 15 are shown only devices relating to the right-hand fueling hose 11, and construction of devices relating to the left-hand fueling hose 11 is omitted for simple illustration. -
FIG. 2 shows in detail a condition where theoptical fibers 23b penetrate thevapor barrier 15A of theindicator case 15. As mentioned above, the portion where theoptical fibers 23b penetrate thevapor barrier 15A is sealed by thecable clamp 24. - In
FIG. 2 , abase 25 of thecable clamp 24 is fixed to thevapor barrier 15A with anut 26. Theoptical fibers 23b passing through the inside of thecable clamp 24 are sealed by a packing 27. - As clearly shown in
FIG. 2 , theoptical fibers 23b sealed by thecable clamp 24 consist of two optical cables. - One of the two optical cables is an
optical cable 231 for optical irradiation, and has a function of irradiating light from the tip thereof (an end portion on the side of the detectingportion 23a inFIG. 4 ). The other of the two optical cables is anoptical cable 232 for receiving light, and as described below with reference toFIG. 4 , theoptical cable 232 has a detectingportion 23a at a tip thereof and a function of transmitting light received at the detectingportion 23a to thephotoelectric conversion device 22 in theindicator case 15. - Although illustration is omitted, it is also possible to fulfill the both functions of the optical cables for irradiating light and receiving light with one
optical fiber 23b only. - In
FIG. 2 , theoptical fibers 23b (the light-irradiatingoptical cable 231 and the light-receiving optical cable 232) in theequipment case 2 are covered with aresin tube 29, and a tip of theresin tube 29 is fixed to abracket 62 by aclamp 30. And, thebracket 62 is fixed to thevapor barrier 15A with thenut 26. Fixing theoptical fibers 23b with theclamp 30 allows theoptical fibers 23b to be protected from vibration. Here, portions where theoptical fibers 23b are covered with theresin tube 29 in theequipment case 2 only. In other words, with the above construction, when theresin tube 29 is damaged in accidents or the like in the worst case, the fuel oil in theequipment case 2 is prevented from entering into theindicator case 15 through a space between an inner wall surface of theresin tube 29 and theoptical fibers 23b. - In
FIGs. 3 and4 is exemplarily shown a condition that the detectingportion 23a at the tip of theoptical fiber 23b is disposed near thedischarge port 4C of thepump unit 4. However, as mentioned above, the detectingportion 23a can be provided at a portion in the area to which hatching is attached inFIG. 1 (the area between the portion accommodating the gear of thepump 4B and the connectingport 9A that is a connecting port of the fueling hose 11). - In order to detect intermixture of water in fuel oil with the
sensor 23 for detecting intermixture of water with a mode described below, it is necessary that the mixture of the water and the fuel oil becomes cloudy, in which the water and the fuel oil are uniformly mixed with each other. The reason why the detectingportion 23a of thesensor 23 is arranged in an area on the side of the fuelingnozzle 12 from the portion accommodating the gear of thepump 4B is that water and fuel oil are agitated by the gear of thepump 4B in this area to allow the water to uniformly be mixed in the fuel oil so as to become cloudy, which enables detection of intermixture of water in fuel oil. - In
FIGs. 3 and4 , acap body 31 is disposed near thedischarge port 4C of thepump 4, and thecap body 31 is fixed to thepump unit 4 withbolts 32. In ahole 33 drilled though thecap body 31 screws ahollow bolt 34; into thehollow bolt 34 is inserted a packing 35; and in thehollow bolt 34 screws thehollow bolt 36. And, into the hollow portion of thehollow bolt 36 is inserted theoptical fiber 23b. - In other words, into the
hollow bolt 34 that is screwed in thecap body 31 is thrust thehollow bolt 36; into the hollow portion of thehollow bolt 36 is inserted theoptical fiber 23b; and the hollow portion ofhollow bolt 34 is sealed by the packing 35. Then, as shown inFIG. 4 , to the tip portion (lower end portion inFIG. 4 ) of theoptical fiber 23b (light-receiving optical cable 232) is attached the detectingportion 23a of thesensor 23. - Next, with reference to
FIGs. 5 to 7 will be explained an example of control for detecting whether water is mixed in fuel oil or not in the fueling apparatus of the present invention. - As mentioned above, a water mixed in a fuel oil is agitated when pumped up by the
pump 4B of thepump unit 4; the water becomes fine particles; and the mixture of the fuel oil and the water becomes cloudy. A part of the light irradiated from the tip of theoptical cable 231 for optical irradiation impinges on the fine water particles and reflected therefrom, and then received by the detectingportion 23a (of the sensor 23) at the tip of theoptical cable 232 for light-reception. The amount of light received (amount of light reflected on the water particles) increases when water mixing ratio in the fuel oil becomes large (curve a inFIG. 5 ). - On the other hand, the other part of the light irradiated from the tip of the
optical cable 231 for optical irradiation (light that did not impinge on the water particles) goes straight while penetrating into the fuel oil in which the fine water particles are mixed; reflects on an opposed wall surface (not shown); goes straight while penetrating into the fuel oil again; and is received by the detectingportion 23a at the tip of theoptical cable 232 for light-reception. The amount of light received (amount of light received by the detectingportion 23a after going straight while penetrating into the fuel oil and being reflected on the opposed wall surface) decreases when the water mixing ratio in the fuel oil becomes large (curve β ofFIG. 5 ). - Then, the total amount of light received by the detecting
portion 23a at the tip of theoptical cable 232 for light-reception becomes equal to the sum of the amount of light received shown in curve α inFIG. 5 and the amount of light received shown in curve β inFIG. 5 , and the characteristic is expressed as the curve "α+β" inFIG. 5 . - Here, the vertical axis of
FIG. 5 shows the amount of light received, and the horizontal axis shows the water mixing ratio. Calculating the total amount of light received by the detectingportion 23a (for example, "sensor detection result" inFIG. 5 ) and searching a point γ, which is located on the characteristic curve "α+β" shown in a dashed dotted line inFIG. 5 as a corresponding point allows a numerical value δ on the horizontal axis corresponding to the point γ to be the water mixing ratio at the time. -
FIG. 6 is a block diagram of thecontrol device 21 that performs the control explained inFIG. 5 , andFIG. 7 is a flow chart of the control explained inFIG. 5 . The construction of thecontrol device 21 and the control explained inFIG. 5 will be explained mainly with reference toFIGs. 6 and7 . - A light inputted into the
photoelectric conversion device 22 through the light-receiving optical cable 232 (the amount of light received at the detectingportion 23a) is converted into an electric signal; this electric signal is read into a lightquantity calculation block 41 through a signal line L3 (Step S1); and the total amount of light received at the detectingportion 23a is calculated (Step S2). The calculated amount of light received is transmitted to a water mixingratio calculation block 42 through a line L4, and the water mixing ratio is calculated based on the characteristic, which is transmitted from a memory block 40 (refer toFIG. 5 ), relating to the amount of light received and the water mixing ratio (Step S3). - The calculated water mixing ratio is transmitted to a
judgment block 43 through a line L5. And, a judgment result in thejudgment block 43 is transmitted to anannunciation processing block 44, ameans 45 for annunciation, a fuelingstop processing block 46, ameans 47 for stopping fueling, amaintenance processing block 48, ameans 49 for maintenance and an indication means 50 through a line L6. - In the
judgment block 43, the water mixing ratio of the water mixingratio calculation block 42 is compared with the "threshold" transmitted through the line L2 from the memory block 40 (a threshold whether the water mixing ratio reaches to the level that needs annunciation or not: a threshold whether the water mixing ratio is in a normal level or not) (Step S4). - When the water mixing ratio is below the threshold (No in Step S4), it is judged that the water mixing ratio is in a normal level (satisfactory level), and it returns to Step S1. It means that the
sensor 23 detects that the water is not mixed in the fuel oil at this time. When the water mixing ratio is larger than the threshold (Yes in Step S4), it progresses to Step S5. It means that thesensor 23 detects intermixture of water in fuel oil. - In Step S5, it is judged that only annunciation should be performed by a fueling control device 16 (refer to
FIG. 1 ); the annunciation and/or a fueling stop processing should be performed; or the annunciation, the fueling stop processing, and/or processing for maintenance should be performed. - More specifically, in case that the water mixing ratio is in a level that only the annunciation should be performed, neither the fueling stop processing nor the processing for maintenance will be performed. In case that the water mixing ratio is in a level that needs the fueling stop processing, the fueling stop processing will be performed by the fueling
control device 16. The annunciation can also be performed in that case. In case that the water mixing ratio is larger, the fueling stop processing and/or the processing for maintenance will be performed. The annunciation can also be performed in that case. - According to the embodiment of the illustration, the detecting
portion 23a of thesensor 23 is provided in theequipment case 2 whose inside is the dangerous area, but thecontrol device 21 for processing the light (light signal) from the detectingportion 23a of thesensor 23, and thephotoelectric conversion device 22 are arranged in theindicator case 15 whose inside is the non-dangerous area. - Therefore, the detecting
portion 23a of thesensor 23 in theequipment case 2 irradiates and receives light only, and does not perform transmission and reception of electric signal. As a result, in case that the detectingportion 23a of thesensor 23 is provided in theequipment case 2 in which vapor of fuel oil is likely to be full, no spark caused by electric signal occurs in this detectingportion 23a. - In addition, the light signal from the detecting
portion 23a of thesensor 23 is converted into electric signal by thephotoelectric conversion device 22 in theindicator case 15 and is processed with thecontrol device 21, so that the electric signal corresponding to the detection result of the detectingportion 23a is transmitted and received only in theindicator case 15. Therefore, according to the embodiment of the illustration, it is detectable whether the water is mixed in the fuel oil or not with thesensor 23 for detection while maintaining high safety. - In this relation, in the embodiment of the illustration, the detecting
portion 23a of thesensor 23 in theequipment case 2 performs transportation and reception of light only, and thecontrol device 21 that processes the light signal from the detectingportion 23a and thephotoelectric conversion device 22 are disposed in theindicator case 15 whose inside is non-dangerous area. Therefore, the detectingportion 23a of thesensor 23, thecontrol device 21, and thephotoelectric conversion device 22 can be formed without explosion-proof structure. - Next, with reference to
FIGs. 8 and9 , a fueling apparatus according to the second embodiment of the present invention will be explained. This fuelingapparatus 51 differs from the fuelingapparatus 1 in that theapparatus 51 has asubmergible pump 52 in the oil storage tank 8 in place of thepump unit 4 of the fuelingapparatus 1, and has anagitator 53 and astrainer 54 disposed in the position in which thepump unit 4 of the fuelingapparatus 1 has been located. In addition, to the same constituent factors as the above-mentionedfueling apparatus 1 are attached the same reference numbers, or illustrations of the factors are omitted, and detailed explanations thereof are omitted. - The submergible pump 52 is provided with an vane wheel therein. And, in an
agitator 53 is, as shown inFIG. 9 , drilled a screw hole 53a; in the screw hole 53a is screwed ahollow bolt 34; into thehollow bolt 34 is inserted a packing 35; and into a hollow portion of thehollow bolt 36 is inserted theoptical fiber 23b. To the tip portion (lower end portion) of thisoptical fiber 23b (light-receiving optical cable 232) is attached the detectingportion 23a of thesensor 23. In theagitator 53 is arranged a plurality ofvanes 53b for agitation. - In addition, in the same manner as the above embodiment, since the portions where the
signal wire 18 and theoptical fiber 23b penetrate thevapor barrier 15A, which is a boundary portion between theequipment case 2 and theindicator case 15, are sealed by the cable clamps 19, 24, the vapor of fuel oil in theequipment case 2 is prevented from entering into theindicator case 15 along thesignal wire 18 and theoptical fiber 23b. Therefore, the inside of theindicator case 15 is always maintained its safety as a non-dangerous area. - In this embodiment, in the same manner as the first embodiment described above, the existence of intermixture of water in fuel oil can be judged in a stage before supplying the fuel oil to automobiles. And, it is possible to take required measures such as annunciation and stoppage of oil supply in a stage before causing stoppage of engine.
- The embodiments of illustration are illustrative only, and the embodiments are not described to limit the technical scope of the present invention. For example, it is also possible to arrange the detecting
portion 23a of thesensor 23 to the area between theoil line 7 that is communicated with the oil storage tank 8 of the gas station buried underground and the connectingport 9A of the fuelinghose 11. - In addition, in case that the detecting
portion 23a of thesensor 23 is arranged in the fueling pipe 9 (refer toFIG. 1 ), it is necessary to seal a portion where theoptical fiber 23b penetrates thevapor barrier 15A of theindicator case 15 by cable clamps. -
- 1 fueling apparatus
- 2 equipment case
- 3 motor
- 4 pump unit
- 4A inflow port
- 4B pump
- 4C discharge port
- 5 flowmeter
- 6 strainer
- 7 oil line
- 8 oil storage tank
- 9 fueling pipe
- 9A connecting port
- 10 support
- 11 fueling hose
- 12 fueling nozzle
- 13 nozzle holder
- 15 indicator case
- 15A vapor barrier
- 16 fueling control device
- 17 indicator
- 18 signal wire
- 19 cable clamp
- 21 control device for water detection
- 22 photoelectric conversion device
- 23 sensor for detecting intermixture of water
- 23a detecting portion of detection sensor
- 23b optical fiber
- 231, 232 optical cables
- 24 cable clamp
- 25 base
- 26 nut
- 27, 35 packings
- 29 resin tube
- 30 clamp
- 31 cap body
- 34, 36 hollow bolts
- 41 light quantity calculation block
- 42 water mixing ratio calculation block
- 43 judgment block
- 44 annunciation processing block
- 45 annunciation means
- 46 fueling stop processing block
- 47 means for stopping fueling
- 48 maintenance processing block
- 49 means for maintenance
- 50 indication means
- 51 fueling apparatus
- 52 submersible pump
- 53 agitator
- 53a screw hole
- 53b vanes
- 54 strainer
Claims (4)
- A fueling apparatus (1) comprising:an equipment case (2);a flowmeter (5) disposed in the equipment case (2);a fueling pipe (9) connected to the flowmeter (5);a fueling hose (11) connected to the fueling pipe (9) through a connecting port (9A);a fueling nozzle (12) disposed at the tip of the fueling hose (11);a sealed indicator case (15) whose inside is an area where in use fuel oil vapors are not present;a fueling control device (16), an indicator (17) and a second control device (21) for detecting intermixture of water and fuel oil that are installed in the indicator case (15);an oil line (7) adapted for connecting an oil storage tank (8) and the flowmeter (5) with each other;a pump unit (4) mounted to the oil line (7);a detection sensor (23) provided with an optical fiber (23b) having a detecting portion (23a) at a tip of said sensor (23) for detecting whether a water is mixed in a fuel oil or not by irradiating light to the fuel oil, said detecting portion (23a) disposed between said pump unit (4) and said connecting port (9A) where in use fuel oil vapors are present, a photoelectric conversion device (22);characterized in thatthe photoelectric conversion device (22) for processing an optical signal from the detecting portion (23a) of the detection sensor (23) is disposed in said indicator case (15).
- A fueling apparatus (1) comprising:an equipment case (2);a flowmeter (5) disposed in the equipment case (2);a fueling pipe (9) connected to the flowmeter (5);a fueling hose (11) connected to the fueling pipe (9) through a connecting port (9A);a fueling nozzle (12) disposed at the tip of the fueling hose (11);a sealed indicator case (15) whose inside is an area where in use fuel oil vapors are not present;a fueling control device (16), an indicator (17) and a second control device (21) for detecting intermixture of water and fuel oil that are installed in the indicator case (15);an oil line (7) adapted for connecting an oil storage tank (8) and the flowmeter (5) with each other;a submersible pump (52) mounted to the oil line (7) in the oil storage tank (8);a detection sensor (23) provided with an optical fiber (23b) having a detecting portion (23a) at a tip of said sensor (23) for detecting whether a water is mixed in a fuel oil or not by irradiating light to the fuel oil, said detecting portion (23a) disposed between said submersible pump (52) and said connecting port (9A) where in use oil vapors are, a photoelectric conversion device;characterized in thatthe photoelectric conversion device (22) for processing an optical signal from the detecting portion (23a) of the detection sensor (23) is disposed in said indicator case (15).
- The fueling apparatus (1) as claimed in claim 1 or 2,
wherein a portion of the optical fiber (23b) where it penetrates into a boundary portion between the area, where in use fuel oil vapors are present and said indicator case (15) as the area where fuel oil vapors are not present, is sealed with a cable clamp (24). - The fueling apparatus (1) as claimed in claim2, further comprising an agitator (53) mounted to the oil line (7) between the submersible pump (52) and the flowmeter (5),
wherein said detecting portion (23a) is disposed between the agitator (53) and the connecting port (9A) of the fueling pipe (9) to the fueling hose (11).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012231556 | 2012-10-19 | ||
PCT/JP2013/074335 WO2014061374A1 (en) | 2012-10-19 | 2013-09-10 | Fueling device |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2910520A1 EP2910520A1 (en) | 2015-08-26 |
EP2910520A4 EP2910520A4 (en) | 2016-06-29 |
EP2910520B1 true EP2910520B1 (en) | 2018-11-14 |
Family
ID=50487950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13847484.6A Active EP2910520B1 (en) | 2012-10-19 | 2013-09-10 | Fueling device |
Country Status (9)
Country | Link |
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EP (1) | EP2910520B1 (en) |
JP (1) | JP6156750B2 (en) |
AU (1) | AU2013333226B2 (en) |
MY (1) | MY168305A (en) |
PH (1) | PH12015500856B1 (en) |
SG (1) | SG11201502344QA (en) |
TW (1) | TWI636947B (en) |
WO (1) | WO2014061374A1 (en) |
ZA (1) | ZA201501973B (en) |
Families Citing this family (2)
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US9533871B2 (en) | 2014-05-15 | 2017-01-03 | Wayne Fueling Systems Sweden Ab | Fuel dispenser system with sealed partition part |
JP6452177B1 (en) * | 2017-07-21 | 2019-01-16 | Necプラットフォームズ株式会社 | Change machine |
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FR2726910B1 (en) * | 1994-11-10 | 1996-12-27 | Piemont Serge | HYDROCARBON FLUID IDENTIFICATION DEVICE |
JPH1111528A (en) * | 1997-03-17 | 1999-01-19 | Hitachi Zosen Corp | Cushioning material and cushioning, material for packaging |
JPH1111582A (en) * | 1997-06-23 | 1999-01-19 | Showa Aircraft Ind Co Ltd | Loading weigh detector of tank lorry |
US5911248A (en) * | 1997-08-11 | 1999-06-15 | Dresser Industries, Inc. | Gasoline dispenser and cable assembly for preventing vapor flow |
JP3972222B2 (en) | 1997-10-02 | 2007-09-05 | 株式会社タツノ・メカトロニクス | Lubrication device |
JP4149275B2 (en) * | 2003-01-23 | 2008-09-10 | 株式会社富永製作所 | Gas station water detection system |
JP2006003143A (en) * | 2004-06-16 | 2006-01-05 | Shoseki Engineering & Construction Co Ltd | Detection device for petroleum product using optical fiber |
JP4671772B2 (en) * | 2004-12-22 | 2011-04-20 | 三菱電機株式会社 | Apparatus and method for treating and recovering gaseous hydrocarbons |
JP2006329695A (en) * | 2005-05-24 | 2006-12-07 | Ojima Shisaku Kenkyusho:Kk | Encoder |
FR2908760B1 (en) * | 2006-11-22 | 2012-06-08 | Tokheim Holding Bv | BIO-FUEL DISTRIBUTION SYSTEM BASED ON ALCOHOLS, PARTICULARLY ETHANOL |
EP2122325B1 (en) * | 2007-01-16 | 2013-03-27 | Fuel Guard Systems Corporation | Automated fuel quality detection and dispenser control system and method, particularly for aviation fueling applications |
KR100928947B1 (en) * | 2008-02-21 | 2009-11-30 | 한국과학기술연구원 | Apparatus for integrated in-line oil monitoring |
JP2009202921A (en) * | 2008-02-29 | 2009-09-10 | Atsense Inc | Fuel mixing apparatus |
JP2009234590A (en) * | 2008-03-26 | 2009-10-15 | Tominaga Oil Pump Mfg Co Ltd | Oil feeder |
JP2011001076A (en) * | 2009-06-17 | 2011-01-06 | Tokiko Techno Kk | Oil feeder |
CA2832835A1 (en) * | 2011-04-15 | 2012-10-18 | Franklin Fueling Systems, Inc. | Method and apparatus for prevention and detection of phase separation in storage tanks |
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2013
- 2013-09-10 WO PCT/JP2013/074335 patent/WO2014061374A1/en active Application Filing
- 2013-09-10 MY MYPI2015700181A patent/MY168305A/en unknown
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- 2013-09-10 JP JP2014541996A patent/JP6156750B2/en active Active
- 2013-09-10 AU AU2013333226A patent/AU2013333226B2/en active Active
- 2013-09-10 EP EP13847484.6A patent/EP2910520B1/en active Active
- 2013-10-11 TW TW102136752A patent/TWI636947B/en active
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2015
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PH12015500856A1 (en) | 2015-06-22 |
SG11201502344QA (en) | 2015-05-28 |
JPWO2014061374A1 (en) | 2016-09-05 |
WO2014061374A1 (en) | 2014-04-24 |
JP6156750B2 (en) | 2017-07-12 |
PH12015500856B1 (en) | 2015-06-22 |
EP2910520A1 (en) | 2015-08-26 |
TW201422519A (en) | 2014-06-16 |
AU2013333226A1 (en) | 2015-02-19 |
ZA201501973B (en) | 2016-11-30 |
AU2013333226B2 (en) | 2016-12-08 |
TWI636947B (en) | 2018-10-01 |
EP2910520A4 (en) | 2016-06-29 |
MY168305A (en) | 2018-10-25 |
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