CN102108926A - Filtering system for preventing solidification of impurity contained in fuel of diesel engine - Google Patents
Filtering system for preventing solidification of impurity contained in fuel of diesel engine Download PDFInfo
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- CN102108926A CN102108926A CN2010106087994A CN201010608799A CN102108926A CN 102108926 A CN102108926 A CN 102108926A CN 2010106087994 A CN2010106087994 A CN 2010106087994A CN 201010608799 A CN201010608799 A CN 201010608799A CN 102108926 A CN102108926 A CN 102108926A
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- 239000000446 fuel Substances 0.000 title claims abstract description 184
- 238000001914 filtration Methods 0.000 title claims abstract description 144
- 239000012535 impurity Substances 0.000 title claims abstract description 73
- 238000007711 solidification Methods 0.000 title abstract description 3
- 230000008023 solidification Effects 0.000 title abstract description 3
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 19
- 230000005855 radiation Effects 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 4
- 239000002828 fuel tank Substances 0.000 description 20
- 239000003921 oil Substances 0.000 description 14
- 239000012188 paraffin wax Substances 0.000 description 10
- 239000003225 biodiesel Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010773 plant oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- 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
-
- 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
- B01D35/30—Filter housing constructions
-
- 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
- F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtration Of Liquid (AREA)
- Fuel-Injection Apparatus (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a filtering system for preventing the solidification of impurities contained in a fuel of a diesel engine which can prevent the phenomenon that impurities adhere to or block a filter. The filtering system comprises: a filter upper end part which is formed in a way sealing the upper part of the filtering system; a first filtering part which is connected to the lower part of the filter upper end part as a hollow cylinder, and is provided with a plurality of first filtering holes in the circumferential direction so as to filter the impurities contained in the fuel and flowing into the interior along the circumferential direction; a second filtering part which is formed as a hollow cylinder, can rotate in the interior of the first filtering part by using the hydraulic pressure of the fuel that flows into the interior through the first filtering holes disposed on the first filtering part and then flows to the lower part, and is provided with a plurality of second filtering holes in the circumferential direction to filter the impurities; and a filter lower end part which is connected to the lower part of the first filtering part in a way sealing the lower part of the filtering system and is provided with a fuel flowing part with a hollow shape.
Description
Technical field
The present invention relates to the filtration system that prevents that the contained impurity of diesel motor fuel from solidifying, this filtration system can prevent the phenomenon of impurity adhesion or blocking filter.
Background technique
Fig. 1 is the stereogram that expression prevents the assembled state of the filtration system that the contained impurity of diesel motor fuel solidifies.
With reference to Fig. 1, the filtration system 1000 of existing diesel engine comprises: first filter house 1200 that is formed by the steel with rigidity; And with latticed second filter house 1300 that is arranged on the inside of above-mentioned first filter house 1200.The two end part of above-mentioned first filter house 1200 and above-mentioned second filter house 1300 are fixing by filter upper end portion 1400 and filter underpart 1100, in the bottom of above-mentioned filter underpart 1100 in conjunction with connected element 1500.After the fuel of the diesel engine of the above-mentioned filtration system 1000 of process flows into the inside of above-mentioned filtration system 1000 by above-mentioned filter underpart 1100, flow out successively by above-mentioned first filter house 1200 and above-mentioned second filter house 1300, and to the circumferencial direction of above-mentioned first filter house 1200 and above-mentioned second filter house 1300.At this moment, above-mentioned first filter house 1200 and above-mentioned second filter house 1300 filter the contained impurity of diesel motor fuel, make the fuel that filters out impurity flow out to the outside of above-mentioned filtration system 1000.
In this existing above-mentioned filtration system 1000 that is located at diesel engine, the combination because above-mentioned first filter house 1200 and above-mentioned second filter house 1300 are fixed, so the contained impurity component of diesel motor fuel can adhere to above-mentioned first filter house 1200 and above-mentioned second filter house 1300.Particularly, in the contained impurity of diesel motor fuel, it is more that paraffin (paraffin) becomes the situation of problem.In this case, owing to need to separate fuel tank, and separate above-mentioned filtration system 1000, removal re-assemblies after adhering to the impurity of above-mentioned first filter house 1200 and above-mentioned second filter house 1300 again, therefore require frequent maintenance, efficient is low, and exist travel in the fuel filling line be blocked and cause the dangerous of security incident and reduce the shortcoming of the power of motor.And, also there is identical problem in the biodiesel (BIO DIESEL) in the exploitation recently.
Thereby, in preventing the filtration system that the contained impurity of diesel motor fuel solidifies, requirement is developed and is kept inadhesion impurity in the filter, thereby does not need repairing, and can continue to keep motor power prevent the filtration system that the contained impurity of diesel motor fuel solidifies.
Summary of the invention
The present invention makes for the problems referred to above, and a kind of filtration system that prevents that the contained impurity of diesel motor fuel from solidifying is provided, thereby can prevent to be contained in impurities from fuel to adhere to filter house and hinder flowing or phenomenon that strainability reduces of fuel.
The filtration system that prevents that the contained impurity of diesel motor fuel from solidifying of the present invention is characterised in that, comprising: filter upper end portion 1400 forms in the mode on top of sealing filtration system 1000; First filter house 1200, the cylindric bottom that is connected in above-mentioned filter upper end portion 1400 with hollow along the circumferential direction is formed with a plurality of first filtering hole 1210, flows into the inner contained impurity of fuel thereby filter from circumferencial direction; Second filter house 1300, form the cylindric of hollow, according to the hydraulic pressure that flows into the fuel that flows behind the inside from the outside by first filtering hole 1210 that is located at above-mentioned first filter house 1200 downwards, can be in the rotation of the inside of above-mentioned first filter house 1200, along the circumferential direction be formed with a plurality of second filtering hole 1310, flow into the inner contained impurity of fuel thereby filter from circumferencial direction; And filter underpart 1100, be connected in the bottom of above-mentioned first filter house 1200 in the mode of the bottom of sealing above-mentioned filtration system 1000, and have a fuel flow portion 1110 of hollow shape, so that flow into and discharge to the outside at the fuel of the internal flow of above-mentioned first filter house 1200 and above-mentioned second filter house 1300 from circumferencial direction.
The invention is characterized in, above-mentioned second filter house 1300 possesses the lower end cap 1320 of sealing bottom, central authorities at this lower end cap 1320 are formed with flow velocity conversion unit 1321, so that discharge to above-mentioned fuel flow portion 1110 with suitable flow velocity from the inner fuel of the circumferencial direction inflow of above-mentioned first filter house 1200 and above-mentioned second filter house 1300.
The invention is characterized in, be formed with a plurality of blades 1322, make 1300 rotations of above-mentioned second filter house with the flow velocity that utilizes the fuel that flows out by above-mentioned fuel flow portion 1110 and above-mentioned flow velocity conversion unit 1321 at above-mentioned lower end cap 1320.
The invention is characterized in, above-mentioned blade 1322 is outstanding to the side relative with a side that is formed with fuel flow portion 1110 at above-mentioned lower end cap 1320, and be that benchmark forms with radiation with above-mentioned flow velocity conversion unit 1321, the diameter of a circle that the end near the position that forms above-mentioned flow velocity conversion unit 1321 of above-mentioned blade 1322 is formed by connecting is littler than the diameter of above-mentioned flow velocity conversion unit 1321.
The invention is characterized in that the above-mentioned blade 1322 that is formed at above-mentioned lower end cap 1320 with radiation tilts to identical direction to the elongation line that the center of above-mentioned filter underpart 1100 prolongs from the center from above-mentioned filter upper end portion 1400.
The invention is characterized in, above-mentioned second filter house 1300 is formed with the upper end cap 1330 of closed upper portion, at least one forms bellows-shaped among the top and above-mentioned lower end cap 1320 of above-mentioned upper end cap 1330 following, when reducing above-mentioned second filter house, 1300 rotations with above-mentioned filter upper end portion 1400 between friction reach and above-mentioned filter underpart 1100 between friction.
The invention is characterized in that above-mentioned first filter house 1200 is formed by the material with rigidity, above-mentioned second filter house 1300 forms latticed, and the diameter of above-mentioned first filtering hole 1210 is bigger than the length of above-mentioned second filtering hole 1310.
The invention is characterized in that above-mentioned first filter house 1200 forms latticed, above-mentioned second filter house 1300 is formed by the material with rigidity, and the length of above-mentioned first filtering hole 1210 is littler than the diameter of above-mentioned second filtering hole 1310.
In addition, the filtration system that prevents that the contained impurity of diesel motor fuel from solidifying of the present invention is characterised in that, comprise: filter underpart 1100, be formed at the bottom of filtration system 1000 and seal the bottom of above-mentioned filtration system 1000, the fuel flow portion 1110 that makes fuel pass through hollow flows into; First filter house 1200, the cylindric top that is connected in above-mentioned filter underpart 1100 with hollow along the circumferential direction is formed with a plurality of first filtering hole 1210, thereby at fuel impurity screening during internally to flows outside; Second filter house 1300, form the cylindric of hollow, according to flowing into by above-mentioned fuel flow portion 1100 and internally to the hydraulic pressure of the fuel of flows outside, can be in the rotation of the inside of above-mentioned first filter house 1200, along the circumferential direction be formed with a plurality of second filtering hole 1310, thereby after the fuel that flows into by above-mentioned fuel flow portion 1110 filters impurities during internally to flows outside, make fuel flow out to above-mentioned first filter house 1200; And, filter upper end portion 1400, be connected in the top of above-mentioned first filter house 1200 in the mode on the top of sealing above-mentioned filtration system 1000, the stream of guiding fuel is so that discharge to the outside by above-mentioned first filtering hole 1210 and above-mentioned second filtering hole 1310 at the fuel of the internal flow of above-mentioned first filter house 1200 and above-mentioned second filter house 1300.
The invention is characterized in, above-mentioned second filter house 1300 possesses the lower end cap 1320 of sealing bottom, be formed with the flow velocity conversion unit 1321 of hollow shape in the central authorities of this lower end cap 1320, so that flow into the inside of suitable flow velocity to above-mentioned second filter house 1300 by the fuel of above-mentioned fuel flow portion 1110 inflows.
The invention is characterized in, be formed with a plurality of blades 1322, make 1300 rotations of above-mentioned second filter house with the flow velocity that utilizes the fuel that flows into by above-mentioned fuel flow portion 1110 and above-mentioned flow velocity conversion unit 1321 at above-mentioned lower end cap 1320.
The invention is characterized in, above-mentioned blade 1322 is outstanding to the side relative with a side that is formed with above-mentioned fuel flow portion 1110 at above-mentioned lower end cap 1320, and be that benchmark forms with radiation with above-mentioned flow velocity conversion unit 1321, the diameter of a circle that the end near the position that forms above-mentioned flow velocity conversion unit 1321 of above-mentioned blade 1322 is formed by connecting is littler than the diameter of above-mentioned flow velocity conversion unit 1321.
The invention is characterized in that the above-mentioned blade 1322 that is formed at above-mentioned lower end cap 1320 with radiation tilts to identical direction to the elongation line that the center of above-mentioned filter underpart 1100 prolongs from the center from above-mentioned filter upper end portion 1400.
The invention is characterized in, above-mentioned second filter house 1300 is formed with the upper end cap 1330 of closed upper portion, at least one forms bellows-shaped among the top and above-mentioned lower end cap 1320 of above-mentioned upper end cap 1330 following, when reducing above-mentioned second filter house, 1300 rotations with above-mentioned filter upper end portion 1400 between friction reach and above-mentioned filter underpart 1100 between friction.
The invention is characterized in that above-mentioned first filter house 1200 is formed by the material with rigidity, above-mentioned second filter house 1300 forms latticed, and the diameter of above-mentioned first filtering hole 1210 is bigger than the length of above-mentioned second filtering hole 1310.
The invention is characterized in that above-mentioned first filter house 1200 forms latticed, above-mentioned second filter house 1300 is formed by the material with rigidity, and the length of above-mentioned first filtering hole 1210 is littler than the diameter of above-mentioned second filtering hole 1310.
Effect of the present invention is as follows.
The filtration system that prevents that the contained impurity of diesel motor fuel from solidifying of the present invention has the following advantages.
The first, owing in filtration system, make the filter house rotation, in order to avoid the contained impurity of diesel motor fuel solidifies, therefore the maintenance that does not need to remove the impurity that adheres to filter house, thereby the efficient height can also prevent that the fuel flow line from stopping up, thereby improves the stability of motor.
Second, owing to adding other devices on the filtration system that does not need former use in addition or supplying with power, just can prevent to be contained in impurities from fuel by flowing and adhere to filter house, or prevent that by pulverizing impurity from solidifying, therefore system becomes simply, has advantage economically.
The 3rd, can flow into the flow velocity of the fuel of filtration system according to the size adjustment of the diameter of flow velocity conversion unit, and come the rotational speed of controlled filter portion with this, viscosity that therefore can based on fuel or the degree that contains impurity keep suitable rotational speed.
Description of drawings
Fig. 1 is the stereogram that expression prevents the assembled state of the filtration system that the contained impurity of diesel motor fuel solidifies.
Fig. 2 is the exploded perspective view of the annexation of expression filtration system of the present invention.
Fig. 3 is the embodiment's of expression second a filter house of the present invention stereogram.
Fig. 4 a is the embodiment's of the expression lower end cap that possesses a blade of the present invention stereogram.
Fig. 4 b is the plan view of the projecting degree of the diameter of the flow velocity conversion unit that possesses of expression lower end cap of the present invention and the blade that lower end cap possesses.
Fig. 5 is another embodiment's of expression second a filter house of the present invention stereogram.
Fig. 6 a is that expression first filter house of the present invention is formed by the material with rigidity, and second filter house forms latticed embodiment's stereogram.
It is latticed that Fig. 6 b is that expression first filter house of the present invention forms, the embodiment's that second filter house is formed by the material with rigidity stereogram.
Fig. 7 is embodiment's the structural drawing that the expression filtration system that prevents that the contained impurity of diesel motor fuel from solidifying of the present invention is applicable to the lower end of fuel tank.
Fig. 8 is embodiment's the structural drawing that the expression filtration system that prevents that the contained impurity of diesel motor fuel from solidifying of the present invention is applicable to the upper end of fuel tank.
Among the figure:
The 1000-filtration system, 1100-filter underpart, 1110-fuel flow portion, 1200-first filter house, 1210-first filtering hole, 1300-second filter house, 1310-second filtering hole, 1320-lower end cap, 1321-flow velocity conversion unit, the 1322-blade, the 1330-upper end cap, 1400-filter upper end portion, 1500-connected element, the 2000-fuel tank, the 3000-petrolift, the diameter of a circle that A-is formed by connecting the end near the position that forms the flow velocity conversion unit of blade, the diameter of B-flow velocity conversion unit, the diameter (length) of X-first filtering hole, the diameter (length) of Y one second filtering hole.
Embodiment
Usually, diesel engine (diesel engine) is a kind of of internal-combustion engine, be in cylinder, to suck air and compression, by sparger to the cylinder interior inject high pressure fuel of high temperature that produces 500～550 ℃ the heat of compression, and the motor by driven plunger igniting, combustion fuel.That is, diesel engine is that light oil or heavy oil are acted as a fuel, by the reciprocating motion type internal-combustion engine that compresses and igniting is worked.Diesel engine is also referred to as diesel engine, compression point lighter.
The main fuel that uses is light oil (light oil) in diesel engine at present.Light oil is that classification distills the crude oil, and is the oil that extracts under 250～350 ℃ the state in the scope of boiling point.Light oil is the mixture of the hydrocarbon of boiling point between 250～350 ℃, and the order of extracting from fractionating tower is inferior to second of lam-oil.Because light oil also is used to improve the heat of gas, therefore be also referred to as gas oil (gas oil).In addition, also be used as the fuel of diesel engine, therefore also be called as diesel oil (Diesel oil).When light oil is used for fuel or raw material simply, can makes with extra care simply and use also harmlessly, but when using, need improve purity when refining as the fuel of diesel engine.
May contain plurality of impurities in the light oil, but that become problem most for flowing of fuel in diesel engine is paraffin (paraffin).The paraffin oil that paraffin is made up of paraffin series hydrocarbon or senior saturated hydrocarbon or the general name of Liquid Paraffin, key property be reactive weak, chemicals is had patience.Paraffin is contained in heavy oil or the light oil, and viscosity uprises and is solidified at low temperatures, can form impurity.Developed biodiesel (Bio-diesel) recently, this is the fuel that utilizes plant oils such as corn, soya-bean oil or waste edible oil, and not only environmental protection is also attracted attention as the replacement fuel of petroleum resources.But the problem of this paraffin composition still exists, and therefore as the scheme that addresses this problem, proposes the present invention.
Describe one embodiment of the invention with reference to the accompanying drawings in detail.Fig. 1 is the stereogram that expression prevents the assembled state of the filtration system that the contained impurity of diesel motor fuel solidifies, Fig. 2 is the exploded perspective view of the annexation of expression filtration system of the present invention, Fig. 3 is the embodiment's of expression second a filter house of the present invention stereogram, Fig. 4 a is the embodiment's of the expression lower end cap that possesses a blade of the present invention stereogram, Fig. 4 b is the plan view of the projecting degree of the diameter of the flow velocity conversion unit that possesses of expression lower end cap of the present invention and the blade that lower end cap possesses, Fig. 5 is another embodiment's of expression second a filter house of the present invention stereogram, Fig. 6 a is that expression first filter house of the present invention is formed by the material with rigidity, second filter house forms latticed embodiment's stereogram, Fig. 6 b is that expression first filter house of the present invention forms latticed, the embodiment's that second filter house is formed by the material with rigidity stereogram, Fig. 7 is embodiment's the structural drawing that the expression filtration system that prevents that the contained impurity of diesel motor fuel from solidifying of the present invention is applicable to the lower end of fuel tank, and Fig. 8 is the embodiment's of the expression filtration system that prevents that the contained impurity of diesel motor fuel from the solidifying of the present invention upper end that is applicable to fuel tank a structural drawing.
With reference to Fig. 1 and Fig. 2, the filtration system 1000 that prevents that the contained impurity of diesel motor fuel from solidifying of the present invention comprises: filter underpart 1100, first filter house 1200, second filter house 1300 and filter upper end portion 1400.Above-mentioned second filter house 1300 optionally comprises upper end cap 1330 and lower end cap 1320.
With reference to Fig. 1 and Fig. 2, above-mentioned filter underpart 1100 forms in the mode of the bottom of sealing above-mentioned filtration system 1000.Above-mentioned filter underpart 1100 preferably is made of the metal material of circular plate shape, can certainly be various materials according to design still.Owing to connect above-mentioned first filter house 1200 on the top of above-mentioned filter underpart 1100, therefore the bottom of above-mentioned filtration system 1000 is sealed for the disengaging that prevents above-mentioned first filter house 1200 in above-mentioned filter underpart 1100.Bottom in above-mentioned filter underpart 1100 can be provided with connected element 1500, and above-mentioned connected element 1500 can be various connector elements of screw bolt and nut and so on for example.Can bore a hole at the central part of above-mentioned filter underpart 1100 and to be formed with fuel flow portion 1110.With reference to Fig. 1, Fig. 2 and Fig. 7, the fuel of diesel engine that is contained in fuel tank 2000 is discharged from above-mentioned filtration system 1000 by above-mentioned fuel flow portion 1110 after removing contained impurity.Thereby the fuel of diesel engine can be discharged by the bottom of above-mentioned filtration system 1000.With reference to Fig. 7, be provided with petrolift 3000 in the lower end of above-mentioned fuel tank 2000, can suck fuel from above-mentioned fuel tank 2000.With reference to Fig. 2, represented the embodiment of above-mentioned fuel flow portion 1110, but also can be different shape with circular perforations.But, because above-mentioned fuel flow portion 1110 is positions that fuel flows into, therefore as the shape circular that fuel is successfully flowed.
With reference to Fig. 1 and Fig. 2, above-mentioned first filter house 1200 is connected in the top of above-mentioned filter underpart 1100.Above-mentioned first filter house 1200 is the cylindric of inner hollow, and has a plurality of first filtering hole 1210 of perforation along the circumferential direction.As shown in Figures 1 and 2, above-mentioned first filter house 1200 is formed by the material that for example steel etc. has rigidity, along the circumferential direction forms circular a plurality of above-mentioned first filtering hole 1210 prescribed distance of being separated by and arranges.But this is an embodiment, and in the scope of the contained impurity of the fuel that filters diesel engine, the shape of above-mentioned first filtering hole 1210 certainly is various.Represented the variform embodiment of above-mentioned first filter house 1200 and above-mentioned first filtering hole 1210 this to be will be described hereinafter at Fig. 6 b.Above-mentioned first filtering hole 1210 plays the function of filtering the contained impurity of diesel motor fuel at fuel from the circumferencial direction of above-mentioned filtration system 1000 in internal flow.
Referring to figs. 1 through Fig. 3, above-mentioned second filter house 1300 forms can be in the rotation of the inside of above-mentioned first filter house 1200, be different from above-mentioned first filter house 1200, be not attached to above-mentioned filter underpart 1100, but be arranged to and moving by the interior volume rotation of above-mentioned filter upper end portion 1400, above-mentioned first filter house 1200,1100 sealings of above-mentioned filter underpart.Above-mentioned second filter house 1300 is the cylindric of inner hollow, along the circumferential direction forms a plurality of second filtering hole 1310.As shown in Figures 1 and 2, above-mentioned second filter house 1300 forms the netted of grid (mesh) material, the hole between above-mentioned second filtering hole 1310 is equivalent to net.But this is an embodiment, and in filtration was contained in the scope of impurities from fuel of diesel engine, the shape of above-mentioned second filtering hole 1310 certainly was various.Represented the variform embodiment of above-mentioned second filter house 1300 and above-mentioned second filtering hole 1310 this to be will be described hereinafter at Fig. 6 b.Above-mentioned second filtering hole 1310 and above-mentioned first filtering hole 1210 similarly play at fuel and filter the function that is contained in the impurity the diesel motor fuel from the circumferencial direction of above-mentioned filtration system 1000 in internal flow.Under the embodiment's of Figure 1 and Figure 2 situation, the sequence of flow of based on fuel, the fuel of diesel engine that is contained in above-mentioned fuel tank 2000 is at first by first filtering hole 1210 and behind the impurity screening, again the impurity screening by above-mentioned second filtering hole 1310.The fuel that is filtered is discharged from above-mentioned fuel tank 2000 by the above-mentioned fuel flow portion 1110 that is located at above-mentioned filter underpart 1100.With reference to Fig. 7, above-mentioned filtration system 1000 is applicable under embodiment's the situation of lower end of above-mentioned fuel tank 2000, in the flowing of aforesaid fuel, become power source from the potential energy of the gravity of the fuel that is contained in above-mentioned fuel tank 2000 and the attraction force of above-mentioned petrolift 3000.Thereby, after 1200 pairs of contained impurity of fuel from circumferencial direction inflow inside of above-mentioned first filter house once filter, make fuel flow into above-mentioned second filter house, 1300, the second filter houses 1300 and once more contained impurity in the fuel that once filters at above-mentioned first filter house 1200 is carried out secondary filter.
Referring to figs. 1 through Fig. 3, the rotation principle of above-mentioned filter house 1300 is the pressure that flows from fuel and the attraction force of above-mentioned petrolift 3000, and the potential energy that this fuel produces because of the gravity of the fuel that is contained in above-mentioned fuel tank 2000 flows into inner and by above-mentioned fuel flow portion 1110 discharges from the circumferencial direction of above-mentioned filtration system 1000.Above-mentioned second filter house 1300 is different from above-mentioned first filter house 1200, is not connected with above-mentioned filter underpart 1100 or filter upper end portion 1400, can move in the inside of above-mentioned first filter house 1200 but form.Thereby above-mentioned second filter house 1300 can move in the inside of above-mentioned first filter house 1200 by the mobile pressure that causes because of fuel.At this, in order to improve the rotating force of above-mentioned second filter house 1300, can possess various mechanisms, be explained.
With reference to Fig. 3 and Fig. 4, above-mentioned second filter house 1300 can optionally possess the lower end cap 1320 of the bottom of sealing second filter house 1300 and the upper end cap 1330 of closed upper portion respectively.Above-mentioned lower end cap 1320 is preferably formed by the metal materials of circular plate shape, but can certainly be various materials according to designing.Can bore a hole at the central part of above-mentioned lower end cap 1320 and to be formed with flow velocity conversion unit 1321.Above-mentioned flow velocity conversion unit 1321 is to make from the circumferencial direction of above-mentioned filtration system 1000 to flow into the fuel of inner diesel engine by the hole of above-mentioned fuel flow portion 1110 with the hollow of suitable flow velocity discharge.Represented that at Fig. 3 and Fig. 4 above-mentioned flow velocity conversion unit 1321 perforation are circular embodiment, but in the scope that the fuel that can make the diesel engine that flows into inside from the circumferencial direction of above-mentioned filtration system 1000 is discharged with suitable flow velocity by above-mentioned fuel flow portion 1110, formed different shape.As mentioned above, above-mentioned flow velocity conversion unit 1321 is positions of the flowing velocity of fuel metering, the flow velocity of the fuel that the pressure that the density difference of the fuel that utilization is discharged by above-mentioned fuel flow portion 1110 causes flows downward, above-mentioned second filter house 1300 is in the rotation of the inside of above-mentioned first filter house 1200, therefore, under the situation of the flowing velocity of above-mentioned flow velocity conversion unit 1321 fuel meterings, can control the rotational speed of above-mentioned second filter house 1300.
With reference to Fig. 4 b, the diameter of above-mentioned flow velocity conversion unit 1321 can be decided to be " B ".According to Bernoulli's therem (Bernoulli ' s theorem), the diameter B of above-mentioned flow velocity conversion unit 1321 relatively than the little situation of the diameter of above-mentioned fuel flow portion 1110 under, flow velocity at the fuel of narrow flow path can uprise, thereby the rotating force that makes above-mentioned second filter house 1300 becomes big, and rotational speed can accelerate.On the contrary, the diameter B of above-mentioned flow velocity conversion unit 1321 relatively than the big situation of the diameter of above-mentioned fuel flow portion 1110 under, the stream that fuel flows broadens, flow velocity can reduce, thereby the rotating force of above-mentioned second filter house 1300 is diminished, rotational speed is slack-off.But, only may be difficult to the mobile propagation of pressure that causes on the rectilinear direction of fuel is become the rotating force of above-mentioned second filter house 1300 by above-mentioned flow velocity conversion unit 1321.For rotating force being delivered to above-mentioned second filter house 1300, can possess various mechanisms, be explained below.
With reference to Fig. 3 to Fig. 5, can form a plurality of blades 1322 at above-mentioned lower end cap 1320.Above-mentioned blade 1322 forms the structure that flow velocity that utilization flows into fuel inner and that discharge by above-mentioned fuel flow portion 1110 through above-mentioned first filter house 1200 and above-mentioned second filter house 1300 from the circumferencial direction of above-mentioned filtration system 1000 makes 1300 rotations of above-mentioned second filter house.Above-mentioned blade 1322 can be formed on the multiple position of above-mentioned lower end cap 1320 in the scope that can make 1300 rotations of above-mentioned second filter house.Preferably give prominence to the side relative and form with a side that forms above-mentioned fuel flow portion 1110 at above-mentioned lower end cap 1320.Above-mentioned blade 1322 is that benchmark forms actiniform mode and forms a plurality of with above-mentioned flow velocity conversion unit 1321 preferably.And the streams that above-mentioned blade 1322 preferably flows into from the fuel of diesel engine promptly tilt and form to identical direction from the elongation line that prolongs to the center of above-mentioned filter underpart 1100 from the center of above-mentioned filter upper end portion 1400.Under the situation that above-mentioned blade 1322 is formed slopely, utilize the flow velocity of the fuel that flows in above-mentioned flow velocity conversion unit 1321 and above-mentioned fuel flow portion 1110 that rotating force easily is delivered to above-mentioned second filter house 1300.According to the tilt angle of above-mentioned blade 1322, the rotational speed of above-mentioned second filter house 1300 can be different, and therefore in preventing to be contained in the scope that impurities from fuel solidifies, the tilt angle of above-mentioned blade 1322 can be designed as multiple.
With reference to Fig. 3 and Fig. 4, above-mentioned blade 1322 begins to give prominence to from the circumference of above-mentioned lower end cap 1320, and prolongs and form to the central side of above-mentioned lower end cap 1320.At this moment, the end of above-mentioned blade 1322 can extend to the circumference of the above-mentioned flow velocity conversion unit 1321 that passes through the central part that is positioned at above-mentioned lower end cap 1320.With reference to Fig. 4 b, the diameter of a circle that the end near the position that forms above-mentioned flow velocity conversion unit 1321 of above-mentioned blade 1322 is formed by connecting can be decided to be " A ".That is, in the diameter of a circle A mode littler than the diameter B of above-mentioned flow velocity conversion unit 1321 of the end that connects above-mentioned blade 1322, the end of above-mentioned blade 1322 prolongs to the central direction of above-mentioned lower end cap 1320.This is in order to be transformed to the rotating force of above-mentioned second filter house 1300 by above-mentioned flow velocity conversion unit 1321 from the hydraulic pressure of the fuel of the inside outflow of above-mentioned second filter house 1300, if the end of above-mentioned blade 1322 extends to the circumferential section of above-mentioned flow velocity conversion unit 1321, then the fuel of Liu Donging directly conflicts with the end of above-mentioned blade 1322, because of the tilt angle of above-mentioned blade 1322 makes above-mentioned lower end cap 1320 rotations, and make the above-mentioned second filter house 1300 whole rotations that are connected in above-mentioned lower end cap 1320.With reference to Fig. 4 a, the sense of rotation that can know above-mentioned second filter house 1300 is counterclockwise.This is according to the true dip direction of above-mentioned blade 1322 and difference, if above-mentioned blade 1322 inclined design become at above-mentioned lower end cap 1320 to tilt to clockwise direction, then above-mentioned second filter house 1300 is because the hydraulic pressure of fuel and to rotation counterclockwise.Similarly, if above-mentioned blade 1322 inclined design become at above-mentioned lower end cap 1320 to tilt to counter clockwise direction, then above-mentioned second filter house 1300 rotates to clockwise direction.That is, under the certain situation of the flow direction of fuel, the direction that above-mentioned blade 1322 tilts is opposite with the sense of rotation of above-mentioned second filter house 1300.
Can know that with reference to Fig. 2 and Fig. 5 above-mentioned second filter house 1300 can possess the above-mentioned upper end cap 1330 of closed upper portion and the above-mentioned lower end cap 1320 of sealing bottom.As mentioned above, in the suction of above-mentioned second filter house, 1300 based on fuels or the flowing pressure that causes because of density difference under the situation of the inside of above-mentioned first filter house 1200 rotation, the above-mentioned filter upper end portion 1400 that the above-mentioned upper end cap 1330 that upper end portion and underpart possessed of above-mentioned second filter house 1300 and above-mentioned lower end cap 1320 form with mode with the top of sealing above-mentioned filtration system 1000 respectively and rub with the above-mentioned filter underpart 1100 that the mode of the bottom of sealing above-mentioned filtration system 1000 forms, the wearing and tearing of production part, may add impurity to fuel, can hinder the rotation of above-mentioned second filter house 1300.Therefore, at least one in the top and above-mentioned lower end cap 1320 of above-mentioned upper end cap 1330 following forms ripple (wave) shape.Forming this corrugated is for when above-mentioned second filter house 1300 rotates, reduce friction between above-mentioned filter upper end portion 1400 and the above-mentioned upper end cap 1330 and the friction between above-mentioned filter underpart 1100 and the above-mentioned lower end cap 1320, therefore, the following corrugated that all forms of the top and above-mentioned lower end cap 1320 of preferred above-mentioned upper end cap 1330.
With reference to Fig. 1 and Fig. 2, above-mentioned filter upper end portion 1400 is connected in the top of above-mentioned first filter house 1200 in the mode on the top of sealing above-mentioned filtration system 1000 and forms.Above-mentioned filter upper end portion 1400 is different from above-mentioned filter underpart 1100, it is not the space that fuel flows, but the flow direction of fuel need be transformed to radiation to the circumferencial direction of above-mentioned filtration system 1000 from rectilinear direction, therefore preferably form, form the structure of the whole face closure of above-mentioned filter upper end portion 1400 by material with rigidity.The fuel that flows into from the circumferencial direction of above-mentioned filtration system 1000 is successively through above-mentioned first filtering hole 1210 and above-mentioned second filtering hole 1310 to the circumferencial direction perforation of above-mentioned first filter house 1200 and above-mentioned second filter house 1300, and regulates flow velocitys at above-mentioned flow velocity conversion unit 1321.Be transformed to suitable flow velocity and mobile fuel transmits rotating forces to above-mentioned second filter house 1300 at above-mentioned flow velocity conversion unit 1321, and by above-mentioned fuel flow portion 1110 from above-mentioned filtration system 1000 discharges.That is, above-mentioned filter upper end portion 1400 also has the function that the flow direction that prevents the fuel that flows into from the circumferencial direction of above-mentioned filtration system 1000 rises upward simultaneously.
The embodiment who represents above-mentioned first filter house 1200 and above-mentioned second filter house 1300 at Fig. 6.Fig. 6 a is the embodiment that above-mentioned second filter house 1300 that formed by the reticular structure of grid (mesh) material as shown in Figures 1 and 2 moves in the inside of above-mentioned first filter house 1200 that is formed by the metal material with rigidity.At this moment, the diameter that is located at above-mentioned first filtering hole 1210 of above-mentioned first filter house 1200 is decided to be " X ", the length that is located at above-mentioned second filtering hole 1310 of above-mentioned second filter house 1300 is decided to be " Y ", because X is the diameter in the hole of metal piercing, Y is the length at the position of reticular structure perforation, and it is bigger than Y therefore to form X.Fig. 6 b is different from the embodiment that move the inside of above-mentioned first filter house 1200 that above-mentioned second filter house 1300 that Figure 1 and Figure 2 ground forms by the metal material with rigidity forms at the reticular structure by grid (mesh) material.At this moment, X is that Y is the diameter in the hole of metal piercing in the length at the position of reticular structure perforation, and it is littler than Y therefore to form X.
Represent that at Fig. 8 above-mentioned filtration system 1000 is located at the upper end of above-mentioned fuel tank 2000 and suitable embodiment.Under the situation of Fig. 8, the flow direction of fuel is opposite with the situation of the embodiment described in Fig. 1 to Fig. 7.That is, owing to be in order to prevent to flow into solidifying of impurity contained in the diesel motor fuel of above-mentioned fuel tank 2000, therefore, preferably to use above-mentioned filtration system 1000 to the stage of above-mentioned fuel tank 2000 fuel investments.Thereby above-mentioned filtration system 1000 is to be inverted above-mentioned filtration system 1000 shown in Figure 7 and to form.That is, above-mentioned filter upper end portion 1400 is towards the below, and above-mentioned filter underpart 1100 and above-mentioned fuel flow portion 1110 are towards the top.Fuel flow into the inside of above-mentioned filtration system 1000 by above-mentioned fuel flow portion 1110, and the fuel of inflow is discharged and is filtered to actiniform circumferencial direction through above-mentioned first filter house 1200 and above-mentioned second filter house 1300.The fuel that is filtered when discharging is loaded into above-mentioned fuel tank 2000.But being contained in the paraffin composition that becomes problem in the solidification phenomenon of the impurity in the diesel motor fuel most can not detect in large quantities in the stage that initial fuel injects above-mentioned fuel tank 2000.On the contrary, fluidly be not stored in above-mentioned fuel tank 2000 for a long time, the solidifying of long-time memory period generation paraffin, therefore at actual engineering site, embodiment's shown in Figure 7 situation is more effective when needs use fuel.
Can not be limited to the above embodiment of the present invention and come interpretation technique thought.The present invention not only Applicable scope is various, and not exceeding the claimed aim of the present invention of the application, can do various distortion under those skilled in the art's the level.Thereby this improvement and change are significantly for those skilled in the art, belong to protection scope of the present invention.
Claims (16)
1. a filtration system that prevents that the contained impurity of diesel motor fuel from solidifying is characterized in that,
Comprise: filter upper end portion (1400) form in the mode on top of sealing filtration system (1000);
First filter house (1200), the cylindric bottom that is connected in above-mentioned filter upper end portion (1400) with hollow along the circumferential direction is formed with a plurality of first filtering hole (1210), flows into the inner contained impurity of fuel thereby filter from circumferencial direction;
Second filter house (1300), form the cylindric of hollow, according to the hydraulic pressure that flows into the fuel that flows behind the inside from the outside by above-mentioned first filtering hole (1210) that is located at above-mentioned first filter house (1200) downwards, can be in the rotation of the inside of above-mentioned first filter house (1200), along the circumferential direction be formed with a plurality of second filtering hole (1310), flow into the inner contained impurity of fuel thereby filter from circumferencial direction; And,
Filter underpart (1100), be connected in the bottom of above-mentioned first filter house (1200) in the mode of the bottom of sealing above-mentioned filtration system (1000), and have a fuel flow portion (1110) of hollow shape, so that flow into and discharge to the outside at the fuel of the internal flow of above-mentioned first filter house (1200) and above-mentioned second filter house (1300) from circumferencial direction.
2. the filtration system that prevents that the contained impurity of diesel motor fuel from solidifying according to claim 1 is characterized in that,
Above-mentioned second filter house (1300) possesses the lower end cap (1320) of sealing bottom,
Central authorities at this lower end cap (1320) are formed with flow velocity conversion unit (1321), so that discharge to above-mentioned fuel flow portion (1110) with suitable flow velocity from the inner fuel of circumferencial direction inflow of above-mentioned first filter house (1200) and above-mentioned second filter house (1300).
3. the filtration system that prevents that the contained impurity of diesel motor fuel from solidifying according to claim 2 is characterized in that,
Be formed with a plurality of blades (1322) at above-mentioned lower end cap (1320), make above-mentioned second filter house (1300) rotation with the flow velocity that utilizes the fuel that flows out by above-mentioned fuel flow portion (1110) and above-mentioned flow velocity conversion unit (1321).
4. the filtration system that prevents that the contained impurity of diesel motor fuel from solidifying according to claim 3 is characterized in that,
Above-mentioned blade (1322) is outstanding to the side relative with a side that is formed with above-mentioned fuel flow portion (1110) at above-mentioned lower end cap (1320), and is that benchmark forms with radiation with above-mentioned flow velocity conversion unit (1321),
The diameter of a circle that the end near the position that forms above-mentioned flow velocity conversion unit (1321) of above-mentioned blade (1322) is formed by connecting is littler than the diameter of above-mentioned flow velocity conversion unit (1321).
5. the filtration system that prevents that the contained impurity of diesel motor fuel from solidifying according to claim 4 is characterized in that,
The above-mentioned blade (1322) that is formed at above-mentioned lower end cap (1320) with radiation tilts to identical direction to the elongation line that the center of above-mentioned filter underpart (1100) prolongs from the center from above-mentioned filter upper end portion (1400).
6. the filtration system that prevents that the contained impurity of diesel motor fuel from solidifying according to claim 3 is characterized in that,
Above-mentioned second filter house (1300) is formed with the upper end cap (1330) of closed upper portion,
At least one forms bellows-shaped among the top and above-mentioned lower end cap (1320) of above-mentioned upper end cap (1330) following, when reducing above-mentioned second filter house (1300) rotation with above-mentioned filter upper end portion (1400) between friction reach and above-mentioned filter underpart (1100) between friction.
7. according to each described filtration system that prevents that the contained impurity of diesel motor fuel from solidifying in the claim 1 to 6, it is characterized in that,
Above-mentioned first filter house (1200) is formed by the material with rigidity, and above-mentioned second filter house (1300) forms latticed, and the diameter of above-mentioned first filtering hole (1210) is bigger than the length of above-mentioned second filtering hole (1310).
8. according to each described filtration system that prevents that the contained impurity of diesel motor fuel from solidifying in the claim 1 to 6, it is characterized in that,
Above-mentioned first filter house (1200) forms latticed, and above-mentioned second filter house (1300) is formed by the material with rigidity, and the length of above-mentioned first filtering hole (1210) is littler than the diameter of above-mentioned second filtering hole (1310).
9. a filtration system that prevents that the contained impurity of diesel motor fuel from solidifying is characterized in that,
Comprise: filter underpart (1100) are formed at the bottom of filtration system (1000) and seal the bottom of above-mentioned filtration system (1000), and the fuel flow portion (1110) that makes fuel pass through hollow flow into;
First filter house (1200), the cylindric top that is connected in above-mentioned filter underpart (1100) with hollow along the circumferential direction is formed with a plurality of first filtering hole (1210), thereby at fuel impurity screening during internally to flows outside;
Second filter house (1300), form the cylindric of hollow, according to flowing into by above-mentioned fuel flow portion (1100) and internally to the hydraulic pressure of the fuel of flows outside, can be in the rotation of the inside of above-mentioned first filter house (1200), along the circumferential direction be formed with a plurality of second filtering hole (1310), thereby after the fuel that flows into by above-mentioned fuel flow portion (1110) filters impurities during internally to flows outside, make fuel flow out to above-mentioned first filter house (1200); And,
Filter upper end portion (1400), be connected in the top of above-mentioned first filter house (1200) in the mode on the top of sealing above-mentioned filtration system (1000), the stream of guiding fuel is so that discharge to the outside by above-mentioned first filtering hole (1210) and above-mentioned second filtering hole (1310) at the fuel of the internal flow of above-mentioned first filter house (1200) and above-mentioned second filter house (1300).
10. the filtration system that prevents that the contained impurity of diesel motor fuel from solidifying according to claim 9 is characterized in that,
Above-mentioned second filter house (1300) possesses the lower end cap (1320) of sealing bottom,
Be formed with the flow velocity conversion unit (1321) of hollow shape in the central authorities of this lower end cap (1320), so that flow into the inside of suitable flow velocity to above-mentioned second filter house (1300) by the fuel of above-mentioned fuel flow portion (1110) inflow.
11. the filtration system that prevents that the contained impurity of diesel motor fuel from solidifying according to claim 10 is characterized in that,
Be formed with a plurality of blades (1322) at above-mentioned lower end cap (1320), make above-mentioned second filter house (1300) rotation with the flow velocity that utilizes the fuel that flows into by above-mentioned fuel flow portion (1110) and above-mentioned flow velocity conversion unit (1321).
12. the filtration system that prevents that the contained impurity of diesel motor fuel from solidifying according to claim 11 is characterized in that,
Above-mentioned blade (1322) is outstanding to the side relative with a side that is formed with above-mentioned fuel flow portion (1110) at above-mentioned lower end cap (1320), and is that benchmark forms with radiation with above-mentioned flow velocity conversion unit (1321),
The diameter of a circle that the end near the position that forms above-mentioned flow velocity conversion unit (1321) of above-mentioned blade (1322) is formed by connecting is littler than the diameter of above-mentioned flow velocity conversion unit (1321).
13. the filtration system that prevents that the contained impurity of diesel motor fuel from solidifying according to claim 12 is characterized in that,
The above-mentioned blade (1322) that is formed at above-mentioned lower end cap (1320) with radiation tilts to identical direction to the elongation line that the center of above-mentioned filter underpart (1100) prolongs from the center from above-mentioned filter upper end portion (1400).
14. the filtration system that prevents that the contained impurity of diesel motor fuel from solidifying according to claim 11 is characterized in that,
Above-mentioned second filter house (1300) is formed with the upper end cap (1330) of closed upper portion,
At least one forms bellows-shaped among the top and above-mentioned lower end cap (1320) of above-mentioned upper end cap (1330) following, when reducing above-mentioned second filter house (1300) rotation with above-mentioned filter upper end portion (1400) between friction reach and above-mentioned filter underpart (1100) between friction.
15. according to each described filtration system that prevents that the contained impurity of diesel motor fuel from solidifying in the claim 9 to 14, it is characterized in that,
Above-mentioned first filter house (1200) is formed by the material with rigidity, and above-mentioned second filter house (1300) forms latticed, and the diameter of above-mentioned first filtering hole (1210) is bigger than the length of above-mentioned second filtering hole (1310).
16. according to each described filtration system that prevents that the contained impurity of diesel motor fuel from solidifying in the claim 9 to 14, it is characterized in that,
Above-mentioned first filter house (1200) forms latticed, and above-mentioned second filter house (1300) is formed by the material with rigidity, and the length of above-mentioned first filtering hole (1210) is littler than the diameter of above-mentioned second filtering hole (1310).
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| KR10-2009-0131199 | 2009-12-24 | ||
| KR1020090131199A KR101593233B1 (en) | 2009-12-24 | 2009-12-24 | Filter system for Preventing Solidification of Contaminants that is contained by Fuel of Diesel engine |
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| CN102108926A true CN102108926A (en) | 2011-06-29 |
| CN102108926B CN102108926B (en) | 2013-05-15 |
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Cited By (3)
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| CN104014189A (en) * | 2014-06-16 | 2014-09-03 | 重庆渝能滤油机制造有限公司 | High-precision vacuum oil filter |
| CN104014190A (en) * | 2014-06-16 | 2014-09-03 | 重庆渝能滤油机制造有限公司 | Compound filtering differential purification filtering core and application method thereof |
| CN112629941A (en) * | 2020-12-23 | 2021-04-09 | 吕敦玉 | Groundwater heavy metal content monitoring devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101694007B1 (en) | 2015-06-15 | 2017-01-09 | 현대자동차주식회사 | Fuel filter for vehicle |
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Also Published As
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| CN102108926B (en) | 2013-05-15 |
| KR101593233B1 (en) | 2016-02-12 |
| KR20110074283A (en) | 2011-06-30 |
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