CN205714512U - Oil product circulating purifying device based on general rotary filter - Google Patents
Oil product circulating purifying device based on general rotary filter Download PDFInfo
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- CN205714512U CN205714512U CN201620214539.1U CN201620214539U CN205714512U CN 205714512 U CN205714512 U CN 205714512U CN 201620214539 U CN201620214539 U CN 201620214539U CN 205714512 U CN205714512 U CN 205714512U
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Abstract
The utility model discloses a kind of oil product circulating purifying device based on general rotary filter, including the Fuel Tanking Unit coupled by pipeline, hydraulic pump and cleaner, described hydraulic pump will need the oil product filtered to be back in Fuel Tanking Unit after suction filter filtration from Fuel Tanking Unit by pipeline again；Thread connection plate it is provided with between filter case oral area and filter element oil-out, thread connection plate periphery is provided with some symmetrical double wedges, housing oral area is provided with the groove matched with double wedge, the circumferential yardstick of described double wedge is less than the circumferential yardstick of groove, and under the effect of elastic supporting member for supporting optical member, thread connection plate overlays between housing oral area and filter element oil-out.This utility model achieves the filtration of the oil product such as fuel oil, lubricating oil, at filter element life to after date, by being separated with housing by threaded plate, realize only changing filter element, the reusable purpose of housing, and there is the dismounting feature such as simple and convenient, meet the filtering requirement of common oil product.
Description
Technical field
This utility model belongs to environmental technology field, is specifically related to a kind of circulation filter for oil purification.
Background technology
Engine fuel can produce and be mixed into a large amount of impurity during producing, transporting and deposit.Clean fuel oil also can produce metal-oxide after storage a period of time, separate out the pollutant such as colloid, asphalitine.The fuel oil of severe contamination can cause the abrasion at the positions such as electromotor injection system and combustor and carbon distribution to generate so that electromotor fuel consumption in use for some time increases, the hurried rising of exhaust emissions amount.The most universal solution is to install oil product filter on the engine, removes impurity, colloid, asphalitine and moisture etc. in fuel oil, makes fuel oil clean.Clean fuel oil can improve efficiency of combustion thus saving fuel oil, reduction discharge；Also can reduce electromotor heel and toe wear, increasing service life of engine, make electromotor slow down along with the trend extending oil consumption increase of the time of use.
Existing commercially available diesel fuel filter, it mainly has two kinds of forms, one to be overall rotation fitting type, and one is dismantled and assembled replacing filer element type.It is provided with oil-in and oil-out on overall rotatable filter housing, and is connected with outside oil inlet passage and oil discharge passage by filter block.Filter element is arranged in housing, and housing and filter element are an entirety, can not individually dismantle.In filter element service life to after date, it is necessary to by filter element and housing integral replacing, the cleaner cylinder after replacing can only be discarded.Having an advantage in that filter block is connected by standard thread with housing, be suitable for standardized production, housing, filter block interchangeability are good.Shortcoming is: firstly, since metal shell is longer than the filter element organic material life-span more than 10 times, but can only disposably discard and cause waste greatly.Secondly as the process recovery process difference of the recovery processing technique of metal and organic material is very big, split cutting is made troubles again when reclaiming, and causes great environmental pollution.3rd, owing to overall rotatable filter is disposable products, consider for cost and service life, that the diameter of filter element and length are done is relatively big, and filter element is little with the gap of cylinder, and trapped fuel amount is few, add the circulating resistance of cleaner, generally circulating resistance index has just met the upper limit being distinctly claimed in GB, and circulating resistance index is the smaller the better in practice, and this point limits filter effect.
Chinese patent disclosed in 2007 " Split type housing of oil filter 200710110802.8 " discloses a kind of dismountable cleaner, and shell is made up of threaded upper bowl and lower bowl, is provided with sealing ring between upper bowl and lower bowl；Upper bowl is threadeded with the flowline of machine oil base by nut, and the periphery of upper bowl is provided with carrying out the bulge-structure that radial rotating is spacing between upper bowl and machine oil base, and this invention can carry out filter element replacing after dismantling, it is to avoid waste.But it is complicated to there is structure in Shi Yonging, parts are many, the shortcoming that filter element replacing is constant, and detachable part is on the housing of cleaner, need this position for this, i.e. go up the joint portion of bowl and lower bowl and carry out special sealing, and there are vibrations etc. affect because vehicle is in operation, likely there will be loosening and oil product leakage of this joint portion, cause the inefficacy of whole cleaner.
The cleaner overall dimensions that the most existing different manufacturers produces differs, and installing/dismounting mode also differs, cause the housing of first factory, filter element cannot with the filter block of second factory with the use of situation, user causes certain trouble when changing filter element.Have to change the filter element of different manufacturers often with filter block, housing also together with change, which adds unnecessary expense.
Utility model content
The utility model proposes a kind of oil product circulating purifying device based on general rotary filter, may be used for the filtration of the oil product of fuel oil or non-fuel oil, achieve the cleaning of oil product, solve the problem that in existing filter case, filter element is non-exchange simultaneously, making housing realize reusing, oil product filter replacement the most of the present utility model is simple, easily operated.
Concrete technical scheme of the present utility model is as follows:
Oil product circulating purifying device based on general rotary filter, including the Fuel Tanking Unit coupled by pipeline, hydraulic pump, cleaner and control unit, described hydraulic pump will need the oil product filtered to be back in Fuel Tanking Unit after suction filter filtration from Fuel Tanking Unit by pipeline again；
Described cleaner includes housing and is arranged at the filter element of enclosure interior, it is characterized in that: between described housing oral area and filter element oil-out, be provided with thread connection plate, described thread connection plate is the disc structure corresponding to housing oral area shape, thread connection plate be provided centrally with dock tapped through hole, be connected with the oil discharge passage of filter block；On thread connection plate, tapped through hole is provided with some oil-feed through holes, and is connected with the oil inlet passage on filter block；Described housing bottom is provided with spring, described thread connection plate periphery is provided with some symmetrical double wedges, housing oral area is provided with the groove matched with double wedge, the circumferential yardstick of described double wedge is less than the circumferential yardstick of groove, and under the action of the spring, thread connection plate overlays between housing oral area and filter element oil-out；The bottom of housing is provided with automatic drain valve and water-level probe, and the outside of housing is provided with control circuit unit, the height of water level in the housing that control circuit unit obtains according to water-level probe measurement, controls automatic drain valve and opens, it is achieved the draining of enclosure interior.
In above-mentioned oil product circulating purifying device based on general rotary filter, the bottom of the oral area of described housing is provided with the locating slot matched with described double wedge, and rotation and movement to thread connection plate carry out spacing.
In above-mentioned oil product circulating purifying device based on general rotary filter, the latter half of described housing uses transparent material to make, and passes through thread connection with top half.
In above-mentioned oil product circulating purifying device based on general rotary filter, the docking screw thread on described filter block oil-out and threaded plate is standard-sized screw thread.
In above-mentioned oil product circulating purifying device based on general rotary filter, between tapped through hole and the oil-out of filter element of described threaded plate, it is provided with ring-type cartridge seal pad.
In above-mentioned oil product circulating purifying device based on general rotary filter, described water-level probe is double probe-type level sensor, is calculated the height of water level by measuring the resistance between double probe.
In above-mentioned oil product circulating purifying device based on general rotary filter, described water-level probe is floating-ball type water level sensor, by measuring the height of housing middle water level.
In above-mentioned oil product circulating purifying device based on general rotary filter, the outer ring of described housing oral area is provided with housing seal circle.
In above-mentioned oil product circulating purifying device based on general rotary filter, also it is included in pipeline the check valve arranged, is used for preventing oil product from refluxing.
In above-mentioned oil product circulating purifying device based on general rotary filter, being also included in pipeline the overflow valve arranged, in pipeline, pressure opens relief function time excessive.
In above-mentioned oil product circulating purifying device based on general rotary filter, oil purifier comprises heating unit, can heat Fuel Tanking Unit, pipeline or cleaner.
In above-mentioned oil product circulating purifying device based on general rotary filter, oil product is fuel oil, machine oil or hydraulic oil.
The technique effect that this utility model has is as follows:
One, the utility model proposes a kind of defecator for oil purification, by the filter type of extracorporeal circulation, oil product is carried out cleaning and process.For fuel oil, the objectionable impurities (colloid that includes in fuel oil, asphalitine etc.) of in fuel oil more than 90% can be filtered, and there is stronger oil-water separating function；The cleaning of fuel oil can be ensured to greatest extent, thus reach to protect electromotor, reduce abrasion, increasing service life of engine, raising fuel utilization ratio, reduction oil consumption, improve exhaust emissions；For non-fuel oil, can in the case of not shutting down circulating filtration, promote the cleannes of non-fuel oil, extend the service life of oil product, reduce equipment fault.
Two, the present invention adds threaded plate on the basis of overall rotatable filter so that thread connection plate forms detachable draw bail with the oral area of housing；During work, this gusset piece is in the inside of filter base, therefore need not special sealing between thread plate and housing, compares and demountable structure of the prior art, eliminates one potted component, and improve operational reliability.At filter element life to after date, by threaded plate is separated with housing, it is achieved only change filter element, the reusable purpose of housing.Simultaneously because of reusing, the size of filter element can reduce, and adds the gap of filter element and cylinder, decreases circulating resistance, improves oil strain efficiency, and have and dismount the features such as simple and convenient.
This utility model adds threaded plate on the basis of monoblock type cleaner, thread connection plate is made to form detachable draw bail, at filter element life to after date, by being separated with housing by threaded plate with the oral area of housing, realize only changing filter element, the reusable purpose of housing.Simultaneously because of reusing, the size of filter element can reduce, and adds the gap of filter element and cylinder, decreases circulating resistance, improves oil strain efficiency, and have and dismount the features such as simple and convenient.
Three, this utility model housing bottom is provided with spring, the outer of thread connection plate is provided with double wedge, it is provided with groove on the oral area of housing, double wedge and groove structure can make thread connection plate be embedded under stress in housing, after rotating to an angle the most under the action of the spring, reliably couple and there is the dismounting advantage such as simple and convenient；Double wedge and groove structure can make to add on the basis of original oil-feed through hole on oral area some untight through holes simultaneously, decrease circulating resistance to a certain extent, improve oil strain efficiency；Additionally, this utility model also arranges locating slot in the bottom of the oral area of housing, rotation and movement to thread connection plate carry out spacing, it is ensured that the reliability in vehicle movement environment of cleaner.
Four, the screw thread on filter block oil-out of the present utility model and thread connection plate is national standard size, the rotation fitting type filter block of overwhelming majority manufacturer production can install this utility model, it is ensured that user uses this utility model product in the case of need not changing filter block.
Five, housing the latter half of the present utility model Opened design, the situation of change of enclosure interior filter element can be can be visually seen, thus judge whether to cause oil supply system produced problem (as big in resistance, faulty) owing to filter element pollution is overweight, it is judged that accuracy improves.Can the pollution level of intuitive judgment filter element, predict the replacing construction of filter element in advance.Owing to the filter element in housing can be immediately seen, it is possible to prevent to use fake and forged filter element, the quality of difference filter element and structure.
Six, the check valve that this utility model is arranged in pipeline, is used for preventing oil product from refluxing；The overflow valve simultaneously arranged in pipeline, in pipeline, pressure opens relief function time excessive, it is ensured that the safety of purifier.
Seven, this utility model is provided with automatic drain valve and water-level probe in the bottom of housing, wherein water-level probe uses double probe structure or float-ball type sensor to obtain the height of water level in cleaner, control circuit controls electromagnetic valve unlatching according to measuring the height of water level obtained, realize the discharge of water in housing, it is ensured that the oil quality of cleaner output.
Accompanying drawing explanation
Fig. 1 is the principle schematic of this utility model energy oil purifier；
Fig. 2 is the front view of filter base.
Fig. 3 is the side view of filter base.
Fig. 4 is the assembling schematic diagram of cleaner and filter base.
Fig. 5 is spring spinning scheme cleaner schematic diagram.
Fig. 6 is the schematic diagram of threaded plate in spring spinning scheme.
Fig. 7-1 is the tube structure figure of spring spinning scheme cleaner.
Fig. 7-2 is the I-I directional profile schematic diagram of Fig. 7-1.
Fig. 7-3 is the overall structure figure of spring spinning scheme cleaner.
Fig. 8 is the cleaner overall structure figure of this utility model automatic drainage function based on double probes.
Fig. 9 is the cleaner overall structure figure of this utility model automatic drainage function based on floating ball probe.
Figure 10 be this utility model lower half be the shell structure of transparent shell.
Wherein: 1 is housing；2 is threaded plate；3 is cartridge seal pad；4 is filter element；5 is spring；6 is housing seal circle；7 is automatic drain valve；8 is water-level probe；9 is oil inlet passage；10 is oil discharge passage；11 is double wedge；12 is control circuit unit；15 is docking tapped through hole；21 is groove；22 is locating slot；23 is oral area bottom surface；31 is thread connection；32 is translucent housing portion；91 is cleaner；92 is overflow valve；93 is hydraulic pump；94 is Fuel Tanking Unit；95 is pipeline；96 is check valve；101 is drain valve；102 is heating unit.
Detailed description of the invention
As shown in Figure 1, this utility model oil product based on general rotary filter circulating purifying device includes Fuel Tanking Unit 94, hydraulic pump 93, cleaner 91, check valve 96 and the overflow valve 92 coupled by pipeline, and described hydraulic pump 93 is back in Fuel Tanking Unit 94 after being needed the oil product filtered by pipeline suction filter 91 filters from Fuel Tanking Unit 94 again；Check valve 96 is used for preventing oil product from refluxing, and opens relief function when overflow valve 92 pressure in pipeline is excessive；When cleaner impurity too much causes blocking or other reason to cause pressure reduction in pipeline excessive, overflow valve 92 is opened, and reduces channel interior pressure, it is to avoid system is caused damage by high pressure.
Cleaner 91 to use different filter elements according to the oil product of different viscosities scope, filter element should meet the filtering rate in range of viscosities simultaneously, i.e. system entirety oil circuit flow, thus ensure filter efficiency, repeatedly filter within finally making the granularity grade of oil product be maintained at NAS 8 grades.
Hydraulic pump 93 is by motor-driven, and motor selection should be taken into account explosive-proof grade, watt level, is suitable for the range of viscosities of oil product, is allowed to match with the parameter of electric machine.Oil pump should meet the lubricating oil being suitable for bigger range of viscosities, has over-voltage protecting function and relief function simultaneously.
In order to adapt to low temperature environment work, apparatus for purifying oil products of the present utility model comprises heating unit 102, parts in Fuel Tanking Unit 94, pipeline 95, cleaner 91 or multiple parts can be heated, can temperature oil temperature being added to specify quickly, it is ensured that purifier is without region of bypassed oil.When using in cold environment, can prevent its low temperature from solidifying, improve the mobility filtering oil product.
For the ease of the replacing of filter element, oil product cleaner of the present utility model carries out coordinating installation with standard filter base.Fig. 2, Fig. 3, Fig. 4 are the assembling schematic diagram of filter base and filter block and cleaner, and filter block comprises oil inlet passage 9 and oil discharge passage 10, and wherein oil discharge passage 10 is arranged on the center of filter block, and i.e. dock tapped through hole 15 with cleaner oral area central through hole and be connected；Oil inlet passage 9 is arranged on the region of filter base edge, and is connected with some oil-feed through holes of cleaner oral area.
In order to realize reusing of housing, this utility model devises a kind of threaded plate 2, couples by the way of detachably coupling with housing 1.Middle filter element 4 is used to be assembled integrally with cylinder, at filter element life to after date, by being separated with housing 1 by threaded plate 2, it is achieved only to change filter element 4 and the reusable purpose of housing 1.Thread connection plate 2 is the disc structure corresponding to housing oral area shape, thread connection plate 2 be provided centrally with dock tapped through hole 15, be connected with the oil discharge passage 10 of filter base；The upper of thread connection plate 2 is provided with some oil-feed through holes for 15 1 weeks around docking tapped through hole, and is connected with the oil inlet passage 9 on filter base；The lower end of thread connection plate 2 overlays the oil outlet of the upper surface at filter element 4, and the oral area of the upper end of thread connection plate 2 and housing 4 forms detachable draw bail, it is provided with ring-type cartridge seal pad 3 between lower end and the upper surface of filter element 4 of thread connection plate 2, make the oil product of oil inlet passage 9 only through filtration core 4, oil discharge passage 10 could be passed through and flow out.
The utility model proposes a kind of general rotation fitting type and couple scheme, concrete structure sees Fig. 4, Fig. 5, Fig. 6, Fig. 7-1, Fig. 7-2, Fig. 7-3.
Spring 5 it is provided with bottom housing 1, the outer of thread connection plate 2 is provided with some symmetrical double wedges 11, the groove 21 matched with double wedge 11 it is provided with on the oral area of housing 1, the circumferential yardstick of double wedge 11 is less than the circumferential yardstick D of groove 21 so that thread connection plate 2 forms detachable draw bail under the action of the spring with the oral area of housing.Such as Fig. 7-2, shown in Fig. 7-3, the bottom of the oral area of housing 1 is provided with the locating slot 22 matched with double wedge 11, its width is B, the circumferential position of thread connection plate is carried out spacing, when the double wedge 11 of thread connection plate 2 is through corresponding groove 21, and after overcoming the elastic force of spring 5 to be pressed into housing 1 inside, rotate a certain angle again, double wedge 11 is i.e. snapped into the locating slot 22 that the bottom of oral area is arranged, thread connection plate 2 cannot be rotated around the axis of housing 1, the size in radial direction of double wedge 11 and locating slot 22 matches simultaneously, also limit thread connection plate 2 relative to the movement between oral area, rotation and movement to thread connection plate have all carried out spacing, cleaner is installed to as still kept higher reliability time in the vibration environments such as vehicle.
Assembling mode is: first put in housing 1 by spring 5, then is placed on spring 5 by filter element 4, and the middle part that then cartridge seal pad 3 is inserted in threaded plate 2 is protruding, then the assembly of this two pieces is placed on filter element 4 top tapping.Then threaded plate 2 is rotated, the double wedge 11 groove 21 first with housing 1 is made to align, then threaded plate 2 is pressed downward against, until after less than the oral area bottom surface 23 of housing 1, rotate threaded plate 2 the most again, making its double wedge 11 align with the locating slot 22 of housing 1, then the thrust by spring 5 makes threaded plate 2 snap onto in locating slot 22.In the last corresponding annular groove that housing seal circle 6 is loaded housing 1 again, complete assembling.During use, by housing unit entirely through the docking screw thread 15 on threaded plate 2, it is rotatably connected on the filter block of existing cleaner.
Fig. 8 gives this utility model general rotation fitting type oil product cleaner structure schematic diagram with automatic drainage function, compared with Fig. 4, automatic drain valve 7 and water-level probe 8 it is provided with in the bottom of housing, the outside of housing is provided with control circuit unit 12, control circuit unit 12 measures the height of water level in the housing obtained according to water-level probe 8, control automatic drain valve 7 to open, it is achieved the draining of enclosure interior.During cleaner work, owing to containing certain moisture in the oil product such as diesel oil, gasoline, the water after filtration is deposited on the bottom of housing, when water level reaches certain height, needs to discharge water, it is ensured that the oil quality of cleaner output.
Water-level probe 8 uses double probe measurement principle, realizes the judgement of height of water level by measuring the resistance between probe.Its operation principle is to use two probes, is vertically arranged in some isometry position of cleaner bottom secction, when two probes are co-located in oil, owing to the resistance between two probes is very big, nearly close to insulation；And when two probes are co-located in water, its resistance is the least, be equivalent to conducting.Control circuit unit 12 can measure, by the output resistance resistance of sensed water level probe 8, the height and position obtaining fuel-displaced, oil water mixture and water.When housing middle water level reaches certain height, control circuit unit 12 starts the electromagnetic valve in automatic drain valve 7, and measure, with demarcation in advance, the electromagnetic valve flow velocity obtained according to the height of water level and control the opening time of electromagnetic valve, by the water emptying of enclosure interior, it is ensured that the oil quality of cleaner output.
Fig. 9 gives the cleaner overall structure figure of the automatic drainage function using floating ball probe, after cleaner uses a period of time, increase with rate of water added, owing to buoyancy of water is more than the buoyancy of oil, when oil level line residing for oil level increases to liquid level sensor ball float, liquid level sensor can trigger electromagnetic valve switch, close after making to automatically open up the certain water yield of eliminating, operate without artificial judgment, it is only necessary to set delay time according to depurator capacity and displacement, easy to use, safe.
As shown in Figure 10, as a kind of optimal way, the housing of cleaner can use the latter half to be the structure that transparent material is made, top half still keeps material and the structure of original housing, and keep the two sealing under certain pressure intensity by thread connection 31, the material that translucent housing portion 32 can be selected for the resistance to oil corrosions such as lucite is made, so can facilitate the observation to cleaner internal state from outside, break down once self-draining arrangement, can also be by observing the height of the water level of cleaner bottom secction, realize the draining of enclosure interior, guarantee the oil quality after filtering.
This utility model uses rotatable filter to be arranged in circulating purification outside device, achieve the filtration of the oil product such as fuel oil, lubricating oil, at filter element life to after date, by threaded plate is separated with housing, realize only changing filter element, the reusable purpose of housing, and there is the dismounting feature such as simple and convenient, meet the filtering requirement of common oil product.
Above content is to combine concrete preferred implementation further detailed description of the utility model; it cannot be assumed that detailed description of the invention of the present utility model is only limitted to this; for this utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to this utility model and be determined scope of patent protection by the claims submitted to.
Claims (10)
1. oil product circulating purifying device based on general rotary filter, it is characterized in that: include Fuel Tanking Unit, hydraulic pump and the cleaner coupled by pipeline, described hydraulic pump will need the oil product filtered to be back in Fuel Tanking Unit after suction filter filtration from Fuel Tanking Unit by pipeline again；
Described cleaner includes housing and is arranged at the filter element of enclosure interior, it is characterized in that: between described housing oral area and filter element oil-out, be provided with thread connection plate, described thread connection plate is the disc structure corresponding to housing oral area shape, thread connection plate be provided centrally with dock tapped through hole, be connected with the oil discharge passage of filter block；On thread connection plate, tapped through hole is provided with some oil-feed through holes, and is connected with the oil inlet passage on filter block；Described housing bottom is provided with elastic supporting member for supporting optical member, described thread connection plate periphery is provided with some symmetrical double wedges, housing oral area is provided with the groove matched with double wedge, the circumferential yardstick of described double wedge is less than the circumferential yardstick of groove, and under the action of the spring, thread connection plate overlays between housing oral area and filter element oil-out.
Oil product circulating purifying device based on general rotary filter the most according to claim 1, it is characterised in that: the bottom of the oral area of described housing is provided with the locating slot matched with described double wedge, and rotation and movement to thread connection plate carry out spacing.
Oil product circulating purifying device based on general rotary filter the most according to claim 1 and 2, it is characterized in that: the bottom of housing is provided with automatic drain valve and water-level probe, the outside of housing is provided with control circuit unit, height of water level in the housing that control circuit unit obtains according to water-level probe measurement, control automatic drain valve to open, it is achieved the draining of enclosure interior.
Oil product circulating purifying device based on general rotary filter the most according to claim 1 and 2, it is characterised in that: the latter half of housing uses transparent material to make, and passes through thread connection with top half.
Oil product circulating purifying device based on general rotary filter the most according to claim 1 and 2, it is characterised in that: the docking screw thread on described filter block oil-out and threaded plate is standard-sized screw thread.
Oil product circulating purifying device based on general rotary filter the most according to claim 3, it is characterised in that: described water-level probe is double probe-type level sensor or floating-ball type water level sensor, for measuring the height of housing middle water level.
Oil product circulating purifying device based on general rotary filter the most according to claim 1 and 2, it is characterised in that: also it is included in pipeline the check valve arranged, is used for preventing oil product from refluxing.
Oil product circulating purifying device based on general rotary filter the most according to claim 1 and 2, it is characterised in that: being also included in pipeline the overflow valve arranged, in pipeline, pressure opens relief function time excessive.
Oil product circulating purifying device based on general rotary filter the most according to claim 1 and 2, it is characterised in that: described oil purifier comprises heating unit, can heat Fuel Tanking Unit, pipeline or cleaner.
Oil product circulating purifying device based on general rotary filter the most according to claim 1 and 2, it is characterised in that: described oil product is fuel oil, machine oil or hydraulic oil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620214539.1U CN205714512U (en) | 2016-03-21 | 2016-03-21 | Oil product circulating purifying device based on general rotary filter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620214539.1U CN205714512U (en) | 2016-03-21 | 2016-03-21 | Oil product circulating purifying device based on general rotary filter |
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| CN205714512U true CN205714512U (en) | 2016-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026269A (en) * | 2018-06-29 | 2018-12-18 | 江苏理工学院 | A kind of engine gasoline and oil separating device |
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2016
- 2016-03-21 CN CN201620214539.1U patent/CN205714512U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026269A (en) * | 2018-06-29 | 2018-12-18 | 江苏理工学院 | A kind of engine gasoline and oil separating device |
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