WO2011162103A1 - 燃料濾過装置 - Google Patents
燃料濾過装置 Download PDFInfo
- Publication number
- WO2011162103A1 WO2011162103A1 PCT/JP2011/063144 JP2011063144W WO2011162103A1 WO 2011162103 A1 WO2011162103 A1 WO 2011162103A1 JP 2011063144 W JP2011063144 W JP 2011063144W WO 2011162103 A1 WO2011162103 A1 WO 2011162103A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel
- filtration
- layers
- aggregation
- layer
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 227
- 239000000446 fuel Substances 0.000 title claims abstract description 147
- 230000002776 aggregation Effects 0.000 claims abstract description 175
- 238000004220 aggregation Methods 0.000 claims abstract description 163
- 230000001737 promoting effect Effects 0.000 claims abstract description 108
- 239000000428 dust Substances 0.000 claims abstract description 83
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 22
- 239000002828 fuel tank Substances 0.000 claims abstract description 19
- 239000004745 nonwoven fabric Substances 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 239000003502 gasoline Substances 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000005054 agglomeration Methods 0.000 description 12
- 235000019592 roughness Nutrition 0.000 description 10
- 239000000084 colloidal system Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000005192 partition Methods 0.000 description 7
- 238000005036 potential barrier Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 238000005411 Van der Waals force Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/44—Filters structurally associated with pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/005—Filters specially adapted for use in internal-combustion engine lubrication or fuel systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/027—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks rigidly mounted in or on tanks or reservoirs
- B01D35/0273—Filtering elements with a horizontal or inclined rotation or symmetry axis submerged in tanks or reservoirs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
- F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/34—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements by the filter structure, e.g. honeycomb, mesh or fibrous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/50—Filters arranged in or on fuel tanks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
- F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
- F02M37/103—Mounting pumps on fuel tanks
Definitions
- a filter assembly having a first plurality of filter layers is provided in a fuel flow path from the inside of a fuel tank to a fuel consuming means through a fuel pump and constitutes at least a part of the first plurality of layers.
- the present invention relates to a fuel filtration device in which the finest filtration layer is arranged on the most downstream side in the second plurality of filtration layers.
- a filter assembly having a plurality of filter layers that are finer toward the downstream side is accommodated in the fuel tank so as to be connected to a suction side of a fuel pump that sucks fuel from the fuel tank.
- a fuel filtration device is known, for example, from US Pat.
- the dust in gasoline or alcohol fuel is dispersed, especially the dust in the fuel containing alcohol tends to disperse, and the dust tends to be dispersed even in the fuel used in a fine dust area having a fine particle size.
- the fuel in which dust is easily dispersed is filtered through a plurality of filtration layers in the filter assembly of the fuel filtration device disclosed in Patent Document 1, dust is generated each time the fuel passes through the upstream filtration layer. The aggregated and enlarged dust is intensively trapped in the downstream fine filtration layer, so that the downstream fine filtration layer is likely to be clogged, resulting in a decrease in the durability of the fuel filtration device. .
- the present invention has been made in view of such circumstances, and an object of the present invention is to provide a fuel filtration device with improved durability.
- a filter assembly having a first plurality of filter layers is provided in a fuel flow path from the inside of a fuel tank to a fuel consumption means via a fuel pump,
- the finest filtration layer is arranged on the most downstream side in the second plurality of filtration layers constituting at least a part of the layer, by changing the fuel flow direction or flow velocity, the dust in the fuel is changed.
- An agglomeration promoting part that promotes agglomeration promotes the agglomeration of dust in the fuel to the upstream side of at least the second finest filter layer of the second plurality of filter layers in the filter assembly. It is a first feature that it is provided.
- the coarseness of the aggregation promoting body constituting the aggregation promoting portion is the coarsest of the filtration layers of the second plurality of filtration layers.
- the second feature is that it is rougher than the roughness of the above.
- the aggregation promoter has a coarseness of 2 relative to the coarseness of the filtration layer having the coarsest mesh among the filtration layers of the second plurality of layers.
- the third characteristic is that the value is set to 50 times.
- the aggregation promoting unit is configured to change the flow direction or flow velocity of the fuel three times or more. To do.
- the present invention is a spongy member in which the aggregation promoter is held by at least one filtration layer of the first plurality of filtration layers. This is the fifth feature.
- the present invention is configured such that the aggregation promoting portion has a labyrinth structure in which a plurality of divided rooms are communicated with each other with a cylindrical member. Is a sixth feature.
- the aggregation promoting portion is formed by laminating a plurality of aggregation promoters having different eye roughness so that the downstream side is coarser. Is the seventh feature.
- the aggregation promoting portion is formed by laminating a plurality of aggregation promoting bodies having different eye roughness so that the downstream side has finer eyes. Is the eighth feature.
- At least the second plurality of filtration layers of the filter assembly are made of a nonwoven fabric, and the aggregation promotion body is formed by stacking nonwoven fabrics of the same material as the nonwoven fabric.
- a ninth feature is that the portion is configured.
- the present invention laminates the second plurality of filtration layers and the most downstream layer of the second plurality of layers in order to maintain the shape of the second plurality of filtration layers.
- a tenth feature is that the filter assembly is composed of a spun-bonded sheet that is a filtration layer.
- a part of the aggregation promoting portion is configured by another span bonding sheet that sandwiches the second plurality of filtration layers with the span bonding sheet.
- the present invention has a twelfth feature that the fuel is composed of gasoline and alcohol.
- the present invention is characterized in that, in addition to the configuration of the twelfth feature, the filter assembly is supported by the suction portion of the fuel pump partially accommodated in the fuel tank. .
- the fuel injection valve 18 of the embodiment corresponds to the fuel consuming means of the present invention
- the sponges 25A, 25B, 25C of the embodiment correspond to the spongy member of the present invention.
- the dust in the fuel is promoted to agglomerate to the upstream side of the filtration layer having the second smallest fineness among the second plurality of layers constituting at least a part of the first plurality of layers.
- the dust is captured by each filtration layer. It is possible to increase the durability.
- the coarseness of the aggregation promoting body is coarser than that of the coarsest filtration layer, it is possible to suppress an increase in flow resistance by the aggregation promoting portion.
- the coarseness of the aggregation promoter is set to 2 to 50 times the coarseness of the coarsest filtration layer, so that the dust is reliably captured by the filtration layer. be able to.
- the agglomeration promoting portion changes the flow direction or flow velocity of the fuel three times or more to increase the dust residence time in the flow field for promoting agglomeration. Effective aggregation promotion can be performed.
- the sponge-like member constituting the aggregation promoting portion by holding the sponge-like member constituting the aggregation promoting portion with the filtration layer, a dedicated member for holding the sponge-like member is not required, and the number of parts can be reduced. it can.
- the sixth feature of the present invention by setting the aggregation promoting portion to a labyrinth structure, clogging of the aggregation promoting portion can be ignored and a stable flow field can be provided.
- the seventh feature of the present invention since the coarseness of the plurality of layers of the aggregation promoting body laminated so as to constitute the aggregation promoting portion becomes rough on the downstream side, the trapping of dust in the aggregation promoting portion is performed. In order to obtain sufficient agglomeration performance even if the thickness of the agglomeration promoting part is reduced while avoiding the problem, and catching large dust can be avoided by roughening the eyes on the downstream side where dust agglomeration has progressed. In particular, when the aggregation promoting portion is configured in a bag shape, the pressure loss can be suppressed to be small even if the eyes are made fine by increasing the area of the fine eyes.
- the eighth feature of the present invention since the coarseness of the multiple layers of the aggregation promoting body stacked so as to constitute the aggregation promoting portion becomes finer on the downstream side, dust trapping in the aggregation promoting portion is performed. Even when the thickness of the aggregation promoting portion is reduced while avoiding the above, sufficient aggregation performance can be obtained.
- the same aggregation material as that of the filtration layer is formed by overlapping the nonwoven fabric of the same material as the nonwoven fabric forming the filtration layer of at least the second plurality of layers of the filter assembly.
- the aggregation promoter can have fuel resistance, and the non-woven fabric can be shared by the filtration layer and the aggregation promoter to reduce costs, and the thickness of the aggregation promoter can be easily adjusted to the required characteristics. Can be adjusted to.
- the most downstream filtration layer of the first plurality of filtration layers constituting the filter assembly is a spun-bonded sheet, so that the shape of the most downstream side of the filter assembly is filtered. It can be held by a spunbond sheet that also serves as a layer.
- the eleventh feature of the present invention by forming a part of the aggregation promoting portion with another span bonding sheet sandwiching the second plurality of filtration layers with the span bonding sheet on the filter assembly side, Aggregation can be promoted while maintaining the shape of the two or more filtration layers, and the cost can be reduced by sharing the span-bonded sheet with the filter assembly and the aggregation promoting part.
- the dust in the fuel composed of gasoline and alcohol, the dust is easily dispersed, and it is difficult to capture the dust in the coarsely filtered layer only with a plurality of filtered layers.
- the aggregation of the dust in the promoting portion it is possible to easily capture the dust in the filtration layer on the downstream side of the aggregation promoting portion.
- the aggregation promoting portion is disposed at a portion where the flow is accelerated by the suction of the fuel pump. It is possible to improve the dust aggregation and to reduce the size of the aggregation promoting portion.
- FIG. 1 shows a first embodiment and is a longitudinal sectional view of an essential part of a fuel tank.
- FIG. 2 is an exploded perspective view of the filter assembly and the spongy member.
- FIG. 3 is a diagram showing a change in the amount of dust trapped in each filtration layer depending on the presence or absence of the aggregation promoting portion.
- FIG. 4 is a diagram showing a change in pressure loss depending on the presence / absence of the aggregation promoting portion.
- FIG. 5 is a cross-sectional view of the filter assembly and the aggregation promoting part of the second embodiment. (Second embodiment) FIG.
- FIG. 6 is a cross-sectional view of the filter assembly and the aggregation promoting portion of the third embodiment.
- FIG. 7 shows the fourth embodiment and is a diagram showing a fuel flow path from the fuel pump to the fuel injection valve.
- FIG. 8 is a cross-sectional view of the filter assembly and the aggregation promoting part of the fourth embodiment.
- FIG. 9 is a cross-sectional view of the filter assembly and the aggregation promoting part of the fifth embodiment.
- FIG. 10 is a cross-sectional view of the filter assembly and the aggregation promoting part of the sixth embodiment.
- FIG. 10 is a cross-sectional view of the filter assembly and the aggregation promoting part of the sixth embodiment.
- FIG. 11 is a cross-sectional view of the filter assembly and the aggregation promoting part of the seventh embodiment.
- FIG. 12 is a cross-sectional view of the filter assembly and the aggregation promoting part of the eighth embodiment.
- FIG. 13 is a graph for explaining the force acting between colloids.
- FIG. 1 a fuel tank 11 mounted on a vehicle such as a motorcycle stores fuel composed of gasoline and alcohol.
- a fuel pump 12 in which a tubular suction portion 13 is arranged in the vicinity of the bottom plate 11a of the fuel tank 11 so as to suck up the fuel is attached to the ceiling plate 11b of the fuel tank 11 via the attachment plate 15, and the attachment plate 15 and an elastic member 16 are interposed between the ceiling plate 11b.
- a tubular discharge portion 14 is provided on the upper portion of the fuel pump 12, and this discharge portion 14 is connected to a fuel injection means such as a fuel injection valve 18 through a conduit 19.
- the first, second and third filter layers 21A and 22A which are three layers, for example, are formed.
- the suction part 13 of the fuel pump 12 is held by the suction part 13 in the fuel tank 11.
- the filter assembly 20A is connected. That is, the connecting pipe 26 provided in the filter assembly 20A is fitted and connected to the suction portion 13.
- the first to third filtration layers 21A to 23A included in the filter assembly 20A cover the third filtration layer 23A with the second filtration layer 22A, and the second filtration layer 22A to the first layer. It arrange
- the finest filtration layer is arranged on the most downstream side.
- the second plurality of layers is equal to the first plurality of layers
- the second filtration layer 22A is finer than the first filtration layer 21A
- the second filtration layer 22A is finer than the second filtration layer 22A.
- the eyes of the third filtration layer 23A are finely set. That is, the first to third filtration layers 21A to 23A are finer toward the downstream side, and the third filtration layer 23A having the finest degree is arranged on the most downstream side.
- the filter assembly 20A includes an aggregation promoting portion 24A that promotes the aggregation of dust in the fuel by changing the flow direction or flow velocity of the fuel, and at least two of the first to third filtration layers 21A to 23A.
- the filter layer is provided so as to promote the aggregation of dust in the fuel up to the upstream side of the filtration layer 22A, which is the second finest filtration layer.
- the aggregation promotion part 24A is provided.
- the sponge 25A as a spongy member that is an agglomeration promoter is at least one filtration layer of the first to third filtration layers 21A to 23A, which is the outermost layer in the first embodiment.
- the first filtration layer 21A is held so as to cover the first filtration layer 21A.
- the sponge 25A is preferably formed in a bag shape so that the filter assembly 20A can be inserted.
- the aggregation promoting unit 24A does not aim to capture the dust in the fuel, but aggregates the dust in the fuel by changing the flow direction or flow velocity of the fuel, thereby improving the capture efficiency in the filtration layers 21A to 23A.
- the coarseness of the sponge 25A is preferably larger than the dust in the fuel, and the thickness of the sponge 25A is more than 3 times the fuel flow direction or flow rate. Specifically, it is desirable to change it 3 to 15 times.
- the dust contained in the fuel accounts for about 95% of dust of 10 ⁇ m or less, so if the coarseness of the sponge 25A is set to 30 ⁇ m or more, the dust of The structure is not intended to be captured, and the roughness of the sponge 25A is set to 30 to 1000 ⁇ m, for example. Further, in order to change the flow direction or flow rate of the fuel three times or more, the thickness of the sponge 25A is desirably 0.5 mm or more.
- the structure not mainly intended to capture dust means that the ratio of dust captured by the sponge 25A is smaller than the ratio of dust captured by the first to third filtration layers 21A to 23A. .
- the roughness of the first filtration layer 21A which is the most upstream layer of the first to third filtration layers 21A to 23A, is set to 2 to 20 ⁇ m.
- the coarseness of the sponge 25A is coarser than the coarseness of the first filtration layer 21A, which is the most upstream layer of the first to third filtration layers 21A to 23A. It is set to 2 to 50 times.
- the aggregation promoting portion 24A for promoting the aggregation of dust in the fuel by changing the flow direction or flow velocity of the fuel is provided with the first to third filtration layers 21A to 21A.
- the filter assembly 20A is provided in the filter assembly 20A so as to promote the aggregation of dust in the fuel up to the upstream side of the second filtration layer 22A, which is at least the second finest of the filtration layers 23A. Aggregation of dust in the fuel is promoted up to at least the second finest filtration layer among the third filtration layers 21A to 23A, that is, the second filtration layer 22A, and the first to third layers.
- the dust trapping is dispersed in each of the filtration layers 21A to 23A so that the dust is not intensively captured by the most downstream filtration layer of the filtration layers 21A to 23A, that is, the third filtration layer 23A. , They are possible to enhance the durability.
- the first layer filtration layer 21A has a coarseness of about 40 ⁇ m and only the first to third layer filtration layers 21A to 23A are used to filter fuel composed of gasoline and alcohol
- the amount of dust trapped is as shown by the broken line in FIG. 3.
- the amount of trapped dust does not change in the first and second filtration layers 21A and 22A, whereas the amount of dust trapped in the third filter layer 23A does not change.
- the amount is increasing.
- the coarseness of the sponge 25A is set to 40 ⁇ m, which is twice the coarseness of the first filtration layer 21A of the first filter layer 21A, and the flow field is set to about 50 times.
- the thickness of the sponge 25A is 2 mm, and the first and third filtration layers 21A to 23A of the first to third filtration layers 21A are covered with the sponge 25A to filter fuel composed of gasoline and alcohol.
- the amount of dust trapped by the third filtration layer 23 ⁇ / b> A should be equal to or less than the amount captured by the first and second filtration layers 21 ⁇ / b> A and 22 ⁇ / b> A.
- the dust is prevented from being intensively captured by the third filtration layer 23A, which is the most downstream filtration layer among the first to third filtration layers 21A to 23A. Can be dispersed in each of the filtration layers 21A to 23A.
- dust trapping is dispersed in the first to third filtration layers 21A to 23A, so that the first to third filtration layers 21A are covered with the sponge 25A.
- the pressure loss in the filtration layers 21A to 23A changes as shown by the solid line in FIG. 4 according to the change in the amount of dust in the fuel
- the first to third filtration layers not covered with the sponge 25A The pressure loss at 21A to 23A changes as shown by the broken line in FIG. 4, and the pressure loss can be lowered by promoting the aggregation of dust with the sponge 25A, thereby extending the life of the filter assembly 20A. It can be seen that it can be lengthened.
- the coarseness of the sponge 25A which is an aggregation promoter constituting the aggregation promoting portion 24A, is set to 2 to 50 times the roughness of the uppermost filtration layer among the plurality of filtration layers. Therefore, it is possible to suppress an increase in flow resistance by the aggregation promoting portion 24A and to reliably capture dust by the filtration layers 21A to 23A.
- the sponge 25A constituting the agglomeration promoting portion 24A changes the flow direction or flow rate of the fuel three times or more, preferably 3 to 15 times. Therefore, the dust residence time in the flow field for promoting the agglomeration It is possible to effectively promote aggregation by increasing the length.
- the sponge 25A is held by at least one of the first to third filtration layers 21A to 23A, in this embodiment, the first filtration layer 21A, which is the outermost layer.
- the number of parts can be reduced by eliminating the need for a dedicated member for holding.
- the sponge 25A is formed in a bag shape so that the filter assembly 20A can be inserted, the filter assembly 20A corresponding to the fuel made of gasoline not containing alcohol is made to use gasoline containing alcohol as fuel.
- the sponge 25A can be easily assembled to cope with the change to.
- the dust is easily dispersed, and it is difficult for the upstream filtration layer to capture the dust only with the first to third filtration layers 21A to 23A.
- the dust can be easily captured by the filtration layer on the downstream side of the aggregation promoting portion 24A.
- the filter assembly 20A is supported by the suction portion 13 of the fuel pump 12 that is partially accommodated in the fuel tank 11, the aggregation promoting portion 24A is disposed in a portion where the flow is accelerated by the suction of the fuel pump 12. Therefore, it is possible to improve dust aggregation and reduce the size of the aggregation promoting portion 24A.
- the spongy member is not limited to the sponge 25A, and may be made of, for example, a non-woven fabric or a multilayer mesh.
- the filter assembly 20B is a first to third layer which is a first plurality of layers formed in a three-dimensional shape having an elliptical cross-sectional shape.
- the filter layers 21B, 22B, and 23B are arranged independently of each other and connected so that the fuel sequentially passes through the first, second, and third filter layers 21B, 22B, and 23B.
- the eyes of the second plurality of layers, which are at least part of the first plurality of layers, and the first to third filtration layers 21B to 23B in this second embodiment are made finer toward the downstream side.
- the filter assembly 20B includes an aggregation promoting portion 24B that promotes the aggregation of dust in the fuel by changing the flow direction or flow velocity of the fuel, and includes the first to third filtration layers 21B, 22B, and 23B. It is provided so as to promote the aggregation of dust in the fuel up to the upstream side of at least the second finest filtration layer, that is, the second filtration layer 22B, and the aggregation promoting portion 24B is divided into a plurality of divided layers.
- the labyrinth structure is configured such that the first and second chambers 30 and 31 are communicated by the first cylindrical member 34.
- the first chamber 30 is formed in the first case 27, the first filtration layer 21 ⁇ / b> B is accommodated in the first chamber 30, and is communicated with the first chamber 30 by the first cylindrical member 34.
- the second chamber 31 is formed in the second case 28, the second filtration layer 22 ⁇ / b> B is accommodated in the second chamber 31, and communicates with the second chamber 31 by the second cylindrical member 35.
- the chamber 32 is formed in the third case 29, and the third filtration layer 23 ⁇ / b> B is accommodated in the third chamber 32.
- the other end of one cylindrical member 34 is connected to the second case 28 so as to communicate with the second chamber 31.
- One end of the second cylindrical member 35 penetrates the second case 28 and enters the second filtration layer 22B, and the other end of the second cylindrical member 35 enters the third chamber 32. It is connected to the third case 29 so as to communicate.
- the inlet pipe 33 for introducing the fuel in the fuel tank 11 (see the first embodiment) into the first chamber 30 is the first cylindrical member.
- the outlet is provided in the first case 27 so as to be disposed at a position offset by a plane orthogonal to the axis of the member 34, and one end of the third case 29 enters the third layer filtration layer 23B.
- the outlet pipe 36 penetrating the third case 29 in a liquid-tight manner is provided, and the outlet pipe 36 is connected to the suction portion 13 (see the first embodiment) of the fuel pump 12.
- the aggregation promoting part 24 ⁇ / b> B includes the inlet pipe 33, the first chamber 30, the first cylindrical member 34, and the second chamber 31.
- the flow velocity of the fuel becomes slow, and the outlet of the inlet pipe 33 and the inlet of the first cylindrical member 34 are offset from each other.
- the flow direction is changed, for example, by hitting the flow against the wall.
- the flow rate of the fuel is increased by flowing into the first cylindrical member 34 from the first chamber 30, and the flow rate of the fuel is decreased by flowing into the second chamber 31 from the first tubular member 34.
- Such changes in the fuel flow direction and flow velocity act as the aggregation promoting portion 24B.
- the aggregation promoting portion reaches at least the second finest filtration layer among the first to third filtration layers 21B to 23B, that is, the upstream side of the second filtration layer 22B.
- 24B promotes agglomeration of dust in the fuel, so that dust is intensively captured by the finest filtration layer of the first to third filtration layers 21B to 23B, that is, the third filtration layer 23B.
- the dust trapping can be dispersed in each of the filtration layers 21B to 23B to improve the durability.
- the aggregation promoting part 24B is configured in a labyrinth structure in which the divided first and second chambers 30, 31 are communicated with each other by the first cylindrical member 34, the aggregation promoting part 24B is clogged. Can be ignored and a stable flow field can be provided.
- the filter assembly 20C includes first to third filtration layers 21C, 22C, and 23C, which are first multiple layers, The second and third filtration layers 21C, 22C, and 23C are arranged so that the fuel sequentially passes, and the second plurality of layers that are at least part of the first plurality of layers, in the third embodiment, the second The eyes of the first to third filtration layers 21C to 23C are made finer toward the downstream side.
- an aggregation promoting portion 24C that promotes the aggregation of dust in the fuel by changing the flow direction or flow velocity of the fuel is provided among the filtration layers 21C, 22C, and 23C of the first to third layers. It is provided so as to promote the aggregation of dust in the fuel up to the upstream side of at least the second finest filtration layer, that is, the second filtration layer 22C.
- the labyrinth structure is configured such that the second chambers 41 and 42 communicate with each other through the first cylindrical member 45.
- the inside of the case 38 formed in a cylindrical shape with both ends closed by end walls 38a and 38b is divided into three by two partition walls 39 and 40 that are fixed to the inner surface of the case 38 with a space in the longitudinal direction.
- a first chamber 41, a third chamber 43, and a second chamber 42 are formed in order from one end in the longitudinal direction toward the other end, and the first and second chambers 41, 41, 42 communicates with the first tubular member 45, and the second and third chambers 42 and 43 communicate with each other through the second tubular member 46.
- the first filtration layer 21C is arranged to divide the first chamber 41 into two, and the second filtration layer 22C divides the second chamber 42 into two.
- the third filtration layer 23 ⁇ / b> C is arranged so as to divide the third chamber 43 into two.
- the first tubular member 45 has a cross-sectional area smaller than the cross-sectional area of the first chamber 41 and penetrates the partition walls 39 and 40 and the second and third filtration layers 22C and 23C.
- the upstream end of the first tubular member 45 communicates with the first chamber 41 between the first filtration layer 21C and the partition wall 39, and the downstream end of the first tubular member 45 is The second filtration layer 22C and the end wall 38b communicate with the second chamber 42.
- the second cylindrical member 46 penetrates the partition wall 40 and the third filtration layer 23c, and the upstream end of the second cylindrical member 46 is the partition wall 40 and the second filtration layer. 22C communicates with the second chamber 42, and the downstream end of the second cylindrical member 46 communicates with the third chamber 43 between the third filtration layer 23C and the partition wall 39.
- An inlet pipe 44 for introducing the fuel in the fuel tank 11 (see the first embodiment) into the first chamber 41 between the first filtration layer 21C and the end wall 38a is a first cylinder.
- the inlet of the cylindrical member 45 is provided on the end wall 38a of the case 38 so that the outlet is arranged at a position offset by a plane orthogonal to the axis of the first cylindrical member 45.
- An outlet pipe 47 penetrating the case 38 in a liquid-tight manner is provided so that one end enters the third chamber 43 between the third filtration layer 23 ⁇ / b> C and the partition wall 40, and the outlet pipe 47 is connected to the fuel pump 12. It is connected to the suction unit 13 (see the first embodiment).
- the aggregation promoting part 24 ⁇ / b> C includes the inlet pipe 44, the first chamber 41, the first cylindrical member 45, and the second chamber 42.
- the flow velocity of the fuel becomes slow, and the outlet of the inlet pipe 44 and the inlet of the first cylindrical member 45 are offset from each other.
- the flow direction is changed by, for example, hitting the flow of fuel that has passed through one filtration layer 21 ⁇ / b> C against the wall.
- the flow rate of the fuel is increased by flowing into the first cylindrical member 45 from the first chamber 41, and the flow rate of the fuel is decreased by flowing into the second chamber 42 from the first cylindrical member 45.
- Such changes in the fuel flow direction and flow velocity act as the aggregation promoting portion 24C.
- FIGS. 7 and 8 a fourth embodiment of the present invention will be described.
- a filter assembly 20D is interposed between the discharge part of the fuel pump 12 and the fuel injection valve 18.
- the filter assembly 20D includes first to third filtration layers 21D, 22D, and 23D, which are first multiple layers, in a cylindrical case 48 closed at both ends.
- the layer 23D is covered with the second filtration layer 22D, and the second filtration layer 22D is covered with the first filtration layer 21D.
- An inlet pipe 49 is provided at one end of the case 48.
- the outlet pipe 50 is connected to the other end of the case 48.
- the filter assembly 20D includes an aggregation promoting portion 24D that promotes the aggregation of dust in the fuel by changing the flow direction or flow velocity of the fuel, and includes at least two of the first to third filtration layers 21D to 23D. It is provided so as to promote the aggregation of dust in the fuel up to the upstream side of the second finest filtration layer, that is, the second filtration layer 22D, and the aggregation promoting portion 24D is an aggregation accelerator.
- the sponge 25B is held by at least one of the first to third filtration layers 21D to 23D. In the fourth embodiment, the sponge 25B is provided between the first filtration layer 21D and the case 48. Is filled with sponge 25B.
- the first embodiment is similar to the first embodiment.
- the dust is captured in such a manner that the dust is not intensively collected by the most downstream filtration layer of the third filtration layers 21D to 23D, that is, the third filtration layer 23D. It can be dispersed in the filtration layers 21D to 23D to enhance durability.
- FIG. 10 shows a sixth embodiment of the present invention.
- the portions corresponding to the first to fifth embodiments are only shown with the same reference numerals, and the detailed description will be given. Is omitted.
- the first to fourth filtration layers 21E, 22E, 23E, 52 included in the filter assembly 20E cover the fourth filtration layer 52 with the third filtration layer 23E, and the third filtration layer 23E.
- the second filtration layer 22E is covered with the second filtration layer 22E, and the second filtration layer 22E is covered with the first filtration layer 21E.
- the first to third filtration layers 21E, 22E, and 23E are made of nonwoven fabric. .
- the finest filtration layer is arranged on the most downstream side.
- the first to fourth layers are the first plural layers, and the second plural layers are the three layers from the first layer to the third layer.
- the first filter layer 21E has a mesh of 20 to 27 ⁇ m
- the second filter layer 22E has a mesh of 10 to 20 ⁇ m
- the third filter layer 23E has a mesh of 2 to 10 ⁇ m.
- the third filtration layers 21E to 23E are finer toward the downstream side, and the third filtration layer 23E having the finest fineness is arranged on the most downstream side.
- the fourth filtration layer 52 is a third filtration layer that is the most downstream layer of the second plurality of layers in order to maintain the shape of the first to third filtration layers 21E to 23E that are the second plurality of layers.
- the fourth filtration layer 52 is formed of a spanned sheet in which the concave portions 57, 57 are formed on both sides in a large number of span coupled portions, and excludes the concave portions 57, 57.
- the fuel is circulated in the portion, and the fuel is filtered with an eye of 40 ⁇ m, for example.
- the filter assembly 20E includes an aggregation promoting portion 24F that promotes the aggregation of dust in the fuel by changing the flow direction or flow velocity of the fuel, and the second multiple layers in the filter assembly 20E, that is, the first to third layers.
- the filter layers 21E to 23E of the layers at least the second finest filter layer, that is, provided upstream of the second filter layer 22E so as to promote the aggregation of dust in the fuel.
- the aggregation promoting body 25D constituting the aggregation promoting portion 24F includes a plurality of sheets made of the same material as the nonwoven fabric forming at least the first to third filtration layers 21E to 23E of the filter assembly 20E.
- the non-woven fabrics 58 are formed so as to have a thickness of about 2 mm with 86 ⁇ m eyes, for example. Moreover, the boundary between the non-woven fabrics 58 overlapped with each other is negligible because the non-woven fabrics 58 are fuzzy, and even if a plurality of thin thin non-woven fabrics 58 with versatility are stacked, they are equivalent to a single non-woven fabric of the same thickness. Therefore, it is possible to contribute to cost reduction.
- the aggregation promoting part 24F is covered with a mesh member 53 for protecting the outer shape of the aggregation promoting part 24F, and the connection pipe 54 provided in the filter assembly 20E penetrates the aggregation promoting part 24F and the mesh member 53. And protrudes to the outside.
- the filter layer 52 on the most downstream side of the first to fourth filter layers 21E to 23E, 52 constituting the filter assembly 20E is formed as a spanned sheet, so that the filter The shape on the most downstream side of the assembly 20 ⁇ / b> E can be held by a spanned sheet that also serves as the filtration layer 52.
- the aggregation promoting body 25D is formed by stacking nonwoven fabrics of the same material as the nonwoven fabrics forming at least the second plurality of layers of the filter assembly 20E, that is, the first to third filtration layers 21E to 23E, thereby forming the first to the second.
- the aggregation resistance portion 24F can have the same fuel resistance as the three filtration layers 21E to 23E, and the nonwoven fabric can be shared by the filtration layers 21E to 23E and the aggregation promotion portion 24F, thereby reducing costs.
- the thickness of the aggregation promoting part 25D can be easily adjusted according to the required characteristics.
- the filter assembly 20E may be constituted by a coagulation promoting body 55 which is a spanned sheet sandwiching the first to third filtration layers 21E to 23E between the filter assembly 20E and the sheet.
- the aggregation promoting portion 24G has a span of 40 ⁇ m so that the concave portions 59 and 59 are formed on both sides in a large number of span coupling portions, like the fourth filtration layer 52 provided in the filter assembly 20E.
- the aggregation promoter 55 is a binding sheet, and the aggregation promoter 25E that covers the aggregation promoter 55 from the upstream side.
- the aggregation promoter 25E may be a sponge. Form and may be formed by overlapping a similarly non-woven fabric.
- the first to third filtration layers 21E to 23E in the filter assembly 20E are connected to the fourth filtration layer 52 that is a spun-bonded sheet on the filter assembly 20E side.
- the spanned sheet sandwiched between the layers as the aggregation promoter 55 constituting a part of the aggregation promoting portion 24G, aggregation can be promoted while maintaining the shapes of the first to third filtration layers 21E to 23E.
- the cost can be reduced by sharing the span-bonded sheet with the filter assembly 20E and the aggregation promoting portion 24G.
- the dust moves in the lateral direction so as to avoid the recesses 59, 59...
- the collision probability between the dusts can be increased, thereby reducing the thickness of the aggregation promoting portion 24G. can do.
- the aggregation promoting portion 24H is configured by laminating a plurality of layers having different eye roughness, for example, two layers of aggregation promoting bodies 25F and 25G. It may be.
- the coarseness of the aggregation promoter 25G on the downstream side is 80 ⁇ m
- the coarseness of the aggregation promoter 25F on the upstream side is 30 ⁇ m.
- Two layers of aggregation promoters 25F and 25G having different eye roughness are laminated so that the eyes become finer.
- the aggregation promoting portion 24H is configured by stacking the two layers of aggregation promoting bodies 25F and 25G, but the dust gradually increases until reaching the potential barrier.
- aggregation is performed even if the coarseness of the upstream aggregation promoter 25F is finer than the coarseness of the downstream aggregation promoter 25G. It is possible to avoid capturing dust at the promotion portion 24H, and to obtain sufficient aggregation performance even if the thickness of the aggregation promotion portion 24H is reduced. By roughening, it is possible to avoid catching even large dust.
- the aggregation promoting portion 24H is configured in a bag shape, it is possible to suppress the pressure loss to a small value even if the eyes are made fine by increasing the area of the fine eyes.
- the eighth embodiment can be suitably implemented as the alcohol concentration is higher in a fuel having a higher alcohol concentration in consideration of the environment.
- the coarseness of the downstream aggregation promoter 25G in FIG. 12 is 40 ⁇ m, for example, the coarseness of the upstream aggregation promoter 25F is, for example,
- the aggregation promoting portion 24H may be configured by stacking two layers of aggregation promoting bodies 25F and 25G having different eye roughness so that the downstream side has a finer mesh size of 86 ⁇ m.
- the dust when the dust becomes so large that the potential barrier cannot be exceeded and the aggregation stops, the dust does not increase any more, and the downstream side becomes finer. Even in the aggregation promoting part 24H formed by laminating the two layers of aggregation promoting bodies 25F and 25G having different eye roughnesses, sufficient aggregation performance can be obtained even if the thickness of the aggregation promoting part 24H is reduced while avoiding dust capture. Can be obtained.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Materials (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
12・・・燃料ポンプ
13・・・吸入部
18・・・燃料消費手段である燃料噴射弁
20A,20B,20C,20D,20E・・・フィルタ組立体
21A,21B,21C,21D,21E,22A,22B,22C,22D,22E,23A,23B,23C,23E・・・濾過層
24A,24B,24C,24D,24E,24G,24H・・・凝集促進部
25A,25B,25C・・・海綿状部材であるスポンジ
25E,25F,25G・・・凝集促進体
52・・・濾過層として機能するスパン結合シート
55・・・凝集促進体として機能するスパン結合シート
31,41,42・・・部屋
34,45・・・筒状部材
Claims (13)
- 第1複数層の濾過層(21A,22A,23A;21B,22B,23B;21C,22C,23C;21D,22D,23D;21E,22E,23E,52)を有するフィルタ組立体(20A,20B,20C,20D,20E)が、燃料タンク(11)内から燃料ポンプ(12)を経て燃料消費手段(18)に達するまでの燃料流通経路に設けられ、第1複数層の少なくとも一部を構成する第2複数層の濾過層(21A,22A,23A;21B,22B,23B;21C,22C,23C;21D,22D,23D;21E,22E,23E)では最下流に最も目が細かい濾過層(23A,23B,23C,23D,23E)が配置される燃料濾過装置において、燃料の流れ方向もしくは流速を変化させることで燃料中のダストの凝集を促進させる凝集促進部(24A,24B,24C,24D,24E,24F,24G,24H)が、第2複数層の前記濾過層(21A,22A,23A;21B,22B,23B;21C,22C,23C;21D,22D,23D;21E,22E,23E)のうち少なくとも2番目に目が細かい濾過層(22A,22B,22C,22D,23D)の上流側までに燃料中のダストの凝集を促進させるようにして前記フィルタ組立体(20A,20B,20C,20D,20E)に設けられることを特徴とする燃料濾過装置。
- 前記凝集促進部(24A,24D,24E,24F,24G,24H)を構成する凝集促進体(25A,25B,25C,25D,25E,55,25F,25G)の目の粗さが、第2複数層の前記濾過層(21A,22A,23A;21D,22D,23D;21E,22E,23E)のうち最も目が粗い濾過層(21A,21D,21E)の目の粗さよりも粗いことを特徴とする請求項1記載の燃料濾過装置。
- 前記凝集促進体(25A,25B,25C)の目の粗さが、第2複数層の前記濾過層(21A,22A,23A;21D,22D,23D)のうち最も目が粗い濾過層(21A,21D)の目の粗さに対して2~50倍に設定されることを特徴とする請求項2記載の燃料濾過装置。
- 前記凝集促進部(24A~24H)が、燃料の流れ方向もしくは流速を3回以上変化させるように構成されることを特徴とする請求項1~3のいずれかに記載の燃料濾過装置。
- 前記凝集促進体(25A,25B,25C)が、第1複数層の前記濾過層(21A,22A,23A;21D,22D,23D)のうち少なくとも1つの濾過層(21A,21D)に保持される海綿状部材であることを特徴とする請求項2~4のいずれかに記載の燃料濾過装置。
- 前記凝集促進部(24B,24C)が、分割された複数の部屋(30,31;41,42)同士を筒状部材(34,45)で連通させるようにしたラビリンス構造に構成されることを特徴とする請求項1~4のいずれかに記載の燃料濾過装置。
- 前記凝集促進部(24H)が、下流側の方が目が粗くなるようにして目の粗さが異なる複数層の凝集促進体(25F,25G)が積層されて成ることを特徴とする請求項1記載の燃料濾過装置。
- 前記凝集促進部(24H)が、下流側の方が目が細かくなるようにして目の粗さが異なる複数層の凝集促進体(25F,25G)が積層されて成ることを請求項1記載の燃料濾過装置。
- 前記フィルタ組立体(20E)の少なくとも第2複数層の濾過層(21E,22E,23E)が不織布から成り、その不織布と同一材質の不織布を重ねてなる凝集促進体(25D)で前記凝集促進部(24F)が構成されることを特徴とする請求項1記載の燃料濾過装置。
- 積層された第2複数層の濾過層(21E,22E,23E)と、第2複数層の濾過層(21E,22E,23E)の形状保持のために第2複数層の最下流の層に積層される濾過層(52)であるスパン結合シートとで前記フィルタ組立体(20E)が構成されることを特徴とする請求項1記載の燃料濾過装置。
- 第2複数層の濾過層(21E,22E,23E)を前記スパン結合シートとの間に挟む他のスパン結合シート(55)で前記凝集促進部(24G)の一部が構成されることを特徴とする請求項10記載の燃料濾過装置。
- 前記燃料が、ガソリンおよびアルコールから成ることを特徴とする請求項1~11のいずれかに記載の燃料濾過装置。
- 前記燃料タンク(11)内に一部が収容される前記燃料ポンプ(12)の吸入部(13)に、前記フィルタ組立体(20A,20B,20C)が支持されることを特徴とする請求項12記載の燃料濾過装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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US13/702,964 US20130206663A1 (en) | 2010-06-25 | 2011-06-08 | Fuel filter device |
BR112012031821-7A BR112012031821B1 (pt) | 2010-06-25 | 2011-06-08 | dispositivo de filtro de combustível |
CN201180031084.XA CN102985678B (zh) | 2010-06-25 | 2011-06-08 | 燃料过滤装置 |
AU2011270426A AU2011270426C1 (en) | 2010-06-25 | 2011-06-08 | Fuel filtration device |
CA2803350A CA2803350C (en) | 2010-06-25 | 2011-06-08 | Fuel filter device |
EP11797989.8A EP2587045B1 (en) | 2010-06-25 | 2011-06-08 | Fuel filtration device |
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JP2010144474 | 2010-06-25 | ||
JP2010-144474 | 2010-06-25 | ||
JP2011-016338 | 2011-01-28 | ||
JP2011016338A JP5875768B2 (ja) | 2010-06-25 | 2011-01-28 | 燃料濾過装置 |
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WO2011162103A1 true WO2011162103A1 (ja) | 2011-12-29 |
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US (1) | US20130206663A1 (ja) |
EP (1) | EP2587045B1 (ja) |
JP (1) | JP5875768B2 (ja) |
CN (1) | CN102985678B (ja) |
AR (1) | AR081979A1 (ja) |
AU (1) | AU2011270426C1 (ja) |
BR (1) | BR112012031821B1 (ja) |
CA (1) | CA2803350C (ja) |
CO (1) | CO6660476A2 (ja) |
PE (1) | PE20130996A1 (ja) |
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- 2011-06-08 CN CN201180031084.XA patent/CN102985678B/zh not_active Expired - Fee Related
- 2011-06-08 AU AU2011270426A patent/AU2011270426C1/en not_active Ceased
- 2011-06-08 BR BR112012031821-7A patent/BR112012031821B1/pt active IP Right Grant
- 2011-06-08 PE PE2012002491A patent/PE20130996A1/es active IP Right Grant
- 2011-06-08 US US13/702,964 patent/US20130206663A1/en not_active Abandoned
- 2011-06-08 EP EP11797989.8A patent/EP2587045B1/en not_active Not-in-force
- 2011-06-08 CA CA2803350A patent/CA2803350C/en not_active Expired - Fee Related
- 2011-06-08 WO PCT/JP2011/063144 patent/WO2011162103A1/ja active Application Filing
- 2011-06-20 TW TW100121387A patent/TW201209276A/zh unknown
- 2011-06-23 AR ARP110102173A patent/AR081979A1/es active IP Right Grant
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2012
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU500142B1 (fr) * | 2021-05-10 | 2022-11-10 | Plastic Omnium Advanced Innovation & Res | Unité de fourniture d’une solution aqueuse d’un réservoir à un dispositif de consommation de la solution aqueuse dans un véhicule automobile |
WO2022238339A1 (fr) * | 2021-05-10 | 2022-11-17 | Plastic Omnium Advanced Innovation And Research | Filtre à eau à deux couches, remplaçable, pour un réservoir d'automobile |
Also Published As
Publication number | Publication date |
---|---|
CA2803350A1 (en) | 2011-12-29 |
CO6660476A2 (es) | 2013-04-30 |
EP2587045B1 (en) | 2018-10-10 |
AU2011270426A1 (en) | 2013-01-10 |
AU2011270426C1 (en) | 2015-03-05 |
BR112012031821B1 (pt) | 2020-11-17 |
EP2587045A1 (en) | 2013-05-01 |
TW201209276A (en) | 2012-03-01 |
AR081979A1 (es) | 2012-10-31 |
PE20130996A1 (es) | 2013-09-26 |
CA2803350C (en) | 2014-12-02 |
US20130206663A1 (en) | 2013-08-15 |
JP2012026432A (ja) | 2012-02-09 |
CN102985678A (zh) | 2013-03-20 |
EP2587045A4 (en) | 2014-01-01 |
BR112012031821A2 (pt) | 2016-11-08 |
JP5875768B2 (ja) | 2016-03-02 |
AU2011270426B2 (en) | 2014-07-10 |
CN102985678B (zh) | 2015-08-05 |
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