CN108457783A - Element of fuel filter, rotary-load-type fuel filter and plastic housing fuel filter - Google Patents

Element of fuel filter, rotary-load-type fuel filter and plastic housing fuel filter Download PDF

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Publication number
CN108457783A
CN108457783A CN201810349688.2A CN201810349688A CN108457783A CN 108457783 A CN108457783 A CN 108457783A CN 201810349688 A CN201810349688 A CN 201810349688A CN 108457783 A CN108457783 A CN 108457783A
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CN
China
Prior art keywords
filter
fuel
wall
element shell
filter paper
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Granted
Application number
CN201810349688.2A
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Chinese (zh)
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CN108457783B (en
Inventor
王鹏飞
张惠
裴如义
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PINGYUAN FILTER CO Ltd
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PINGYUAN FILTER CO Ltd
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Priority to CN201810349688.2A priority Critical patent/CN108457783B/en
Publication of CN108457783A publication Critical patent/CN108457783A/en
Application granted granted Critical
Publication of CN108457783B publication Critical patent/CN108457783B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus 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
    • F02M37/22Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system

Abstract

The invention discloses a kind of element of fuel filter, including filter element shell, filter element shell includes taper portion and the Import & Export Department for being sequentially connected the dielectric support portion, section flare that connect;The inner surface interference seal cooperation of dielectric support portion is equipped with filtering body;Filtering body is wound by two layers of filter medium is closely knit;The structure of two layers of filter medium is identical, includes tabular filter paper and ripple filter paper, one end is flush ripple filter paper with tabular filter paper in the direction of the width and the end of the other end and tabular filter paper has interval, and interval is equipped with glue adhesive linkage at this;The blind end of first layer filter medium and the open end of second layer filter medium align;Filter element shell at taper portion is equipped with anti-stall structure.The present invention can prevent engine misses and improve the service life of element of fuel filter.

Description

Element of fuel filter, rotary-load-type fuel filter and plastic housing fuel filter
Technical field
The present invention relates to the technical fields of fuel oil for vehicles filtration system, and in particular to a kind of filter core and uses the filter core Rotary-load-type fuel filter and plastic housing fuel filter.
Background technology
With the continuous improvement of vehicular emission regulation, and more and more vehicle factors and engine works propose the long-life Safeguard that the target call of mileage, original folding wave structure cannot meet the requirement of higher maintenance of life gradually.If same Volume in increase filter core dust containing capacity index, it will be able to the service life for improving element of fuel filter not only conforms to country Environmental regulation requirement, can also greatly reduce vehicle factor and the maintenance cost of client, improve the market competition of brand names Power.Existing fuel filter, either rotary-load-type fuel filter or plastic housing fuel filter, have in use The defect of engine misses is caused once in a while.To find out its cause, being because being negative pressure at fuel filter, fuel oil enters from top to bottom When fuel filter, the gas evolution in fuel oil, air accumulation is at the fuel feed hole of fuel filter under the action of buoyancy, gas Aggregation can't cause engine misses to body on a small quantity.After working long hours, after the gas flow of aggregation is big at oil inlet, fuel oil Proper flow may interrupt, and one section of gas is mingled in normal fuel oil stream.When this section of gas enters engine, Jiu Huizao At flame-out.
Invention content
The purpose of the present invention is to provide a kind of anti-stall longevities that can be prevented engine misses and improve service life Type element of fuel filter.
To achieve the above object, element of fuel filter of the invention includes filter element shell, and filter element shell one end is entrance End and the other end are outlet end, the arrival end of filter element shell and/or outlet end for being connected with filter case;
In the axial direction, filter element shell includes taper portion and the disengaging for being sequentially connected the dielectric support portion, section flare that connect Oral area;The upper end diameter of taper portion is less than its lower end diameter;
The dielectric support portion inner surface interference seal cooperation is equipped with filtering body;Filter element shell at taper portion is surrounded with filtering body Taper cavity;
The filtering body is wound by two layers of filter medium is closely knit;The structure of two layers of filter medium is identical, includes flat Plate filter paper and the ripple filter paper being connected with tabular filter paper, the both ends of ripple filter paper length direction and tabular filter paper are mutually neat Flat, ripple filter paper is narrower than tabular filter paper in the direction of the width;Ripple filter paper one end and tabular filter paper phase in the direction of the width It flushes and the end of the other end and tabular filter paper has interval, interval is equipped with and glues tabular filter paper and ripple filter paper at this It is connected together and blocks the glue adhesive linkage at the end;Fuel oil is surrounded between ripple filter paper, tabular filter paper and glue adhesive linkage Access;The one end of filter medium with glue adhesive linkage is blind end and opposite end is open end;
In two layers of filter medium, the open end of the blind end and second layer filter medium of first layer filter medium aligns;
Filter element shell at the taper portion is equipped with anti-stall structure;Anti-stall structure includes the connection being set on filter element shell Block, link block are equipped with intercommunicating pore, and the inner end of intercommunicating pore is connected with the taper cavity, the outer end of intercommunicating pore and filter element shell Outside is connected;Filter block is equipped in intercommunicating pore, filter block coordinates with intercommunicating pore inner wall sealing in circumferential direction.
The filter block is formed by copper particle sintered, and the diameter of the copper particle is more than or equal to 0.5 millimeter and is less than or equal to 1 Millimeter.
The inner surface of the Import & Export Department is equipped with the internal thread for being connected with filter case.
The filter element shell is made of plastics.
The present invention also aims to provide a kind of rotary-load-type fuel filter using above-mentioned element of fuel filter, packet Filter case is included, filter box body is interior to be equipped with connecting cylinder, the Import & Export Department's inner wall and connecting cylinder of filter element shell in top position Outer wall thread links together;Fuel gallery, filter core are surrounded between the side wall and bottom wall and filter case inner wall of filter element shell Fuel gallery between the taper portion outer wall and filter case inner wall of shell is air accumulation area, and the taper cavity is gas Discharge area, the intercommunicating pore connection gas discharge area and air accumulation area;Filter case at the top of air accumulation area is equipped with Fuel feed hole, the oil outlet of the top of connecting cylinder as filter case.
The present invention also aims to provide a kind of plastic housing fuel filter using above-mentioned element of fuel filter, including Filter case is equipped with connecting cylinder in filter box body in top position, Import & Export Department's inner wall of filter element shell with outside connecting cylinder Wall is threaded togather;Fuel gallery, filter-core shell are surrounded between the side wall and bottom wall and filter case inner wall of filter element shell Fuel gallery between the taper portion outer wall and filter case inner wall of body is gas discharge area, and the taper cavity is poly- for gas Ji Qu, the intercommunicating pore connection gas discharge area and air accumulation area;Filter case at the top of gas discharge area is equipped with out The top of oil pipe, connecting cylinder is connected with the oil inlet pipe of filter case.
The present invention has the advantage that:
Previous element of fuel filter all has a center framework, and filter medium is wrapped on center framework, center framework It is respectively the inside and outside access of fuel oil outside interior and filter medium, fuel oil is between inside and outside access by filter medium to obtain Filter.The advantages of this structure, is easy for manufacturing and assemble, but its structure also determines the presence due to center framework, unit volume (Or same section)Inner filter media is less, and the dust containing capacity index of inner filter core is relatively low in same volume, element of fuel filter Service life it is relatively low.If directly cancelling center framework, it can not ensure fuel oil necessarily by the filtering of filter medium, fuel oil May be by the gap between the layer structure of filter medium directly by filter medium, rather than pass through the stratiform of filter medium Structure is spilt out again.
In contrast, the filter medium of element of fuel filter of the invention closely knit can either then arrange, while also ensure Fuel oil is necessarily required to flow out again after the layer structure of filter medium, without directly by the layer structure of filter medium Between gap directly by filter medium, ensure that fuel oil is filtered.It is situated between this is because fuel oil enters filtering by open end After matter, because the other end is blind end, fuel oil can not flow directly out, and can only be under the effect of the pressure laterally through filter paper Later in another layer of filter medium, flowed out by the outlet end of another layer of filter medium, as shown in Figure 2.
In addition, the inner end of intercommunicating pore is connected with the taper cavity, outside the outer end of intercommunicating pore and filter element shell(Fire The top in oily channel)It is connected, such structure, which ensure that, is rolled over using element of fuel filter in fuel filter, and gas will not A large amount of tops for being gathered in fuel gallery(That is fuel inlet end).Specifically, being negative pressure at fuel filter, fuel oil is certainly When upper and lower entrance fuel filter, the gas evolution in fuel oil, air accumulation is in fuel filter under the action of buoyancy Air accumulation area at fuel feed hole(I.e. at the top of fuel gallery).When having gas in air accumulation area, gas can be timely at this It is directly entered taper cavity by intercommunicating pore, cannot be discharged, finally lead to avoid gas from largely focusing in air accumulation area It causes bulk gas to enter fuel flow path and causes flame-out phenomenon.A small amount of fuel oil passes through filter block when passing through intercommunicating pore with gas, to It is filtered.
Filter block is formed by copper particle sintered, and the diameter of copper particle is more than or equal to 0.5 millimeter and is less than or equal to 1 millimeter, both It can realize the effect for being slowly vented in time, preventing gas from largely assembling, and avoid causing great amount of fuel oil logical because resistance is too small It crosses intercommunicating pore and is directly entered taper cavity.
Description of the drawings
Fig. 1 is the structural schematic diagram after filtering body expansion;
Fig. 2 is the structural schematic diagram of element of fuel filter;
Fig. 3 is the structural schematic diagram of rotary-load-type fuel filter;
Fig. 4 is the structural schematic diagram of plastic housing fuel filter.
Fig. 5 is the enlarged drawing at A in Fig. 2.
Direction shown in arrow is the flow direction of fuel oil in Fig. 1, Fig. 3 and Fig. 4.
Specific implementation mode
As shown in Figure 1, Figure 2 and shown in Fig. 5, the present invention provides a kind of element of fuel filter, including filter element shell, filter-core shells Body one end is arrival end and the other end is outlet end, and the arrival end of filter element shell and/or outlet end are used for and 1 phase of filter case Connection;
In the axial direction, filter element shell include be sequentially connected the dielectric support portion 2, section flare that connect taper portion 3 and into Outlet portion 4;The upper end diameter of taper portion 3 is less than its lower end diameter;
The dielectric support portion 2 inner surface interference seal cooperation is equipped with filtering body;Filter element shell at taper portion 3 is enclosed with filtering body At taper cavity 5;
The filtering body is wound by two layers of filter medium is closely knit, and in winding end joint close, consequently facilitating ensureing filtering body With the leakproofness between 2 inner surface of dielectric support portion;
The structure of two layers of filter medium is identical, includes tabular filter paper 6 and the ripple being connected with tabular filter paper 6 filter Paper 7, both ends and the tabular filter paper 6 of 7 length direction of ripple filter paper are flush, and ripple filter paper 7 is narrower than tablet in the direction of the width Shape filter paper 6;One end and tabular filter paper 6 are flush and the end of the other end and tabular filter paper 6 ripple filter paper 7 in the direction of the width Portion has interval, and interval, which is equipped with, at this bonds together tabular filter paper 6 and ripple filter paper 7 and block the end(That is ripple Filter paper has spaced one end in the direction of the width with tabular filter paper)Glue adhesive linkage 8;Ripple filter paper 7, tabular filter Fuel flow path is surrounded between paper 6 and glue adhesive linkage 8;It is blind end 9 and phase that filter medium, which has one end of glue adhesive linkage 8, Opposite end is open end 10;
In two layers of filter medium, the blind end 9 of first layer filter medium is opposite with the open end 10 of second layer filter medium Together;
Filter element shell at the taper portion 3 is equipped with anti-stall structure;Anti-stall structure includes the company being set on filter element shell Block 19 is connect, link block 19 is equipped with intercommunicating pore 11, and the inner end of intercommunicating pore 11 is connected with the taper cavity 5, intercommunicating pore 11 It is connected outside outer end and filter element shell;Be equipped with filter block 12 in intercommunicating pore 11, filter block 12 in circumferential direction with intercommunicating pore 11 inner wall sealings coordinate, to ensure that gas or fuel oil by intercommunicating pore 11 pass through filter block 12.
The filter block 12 is formed by copper particle sintered, the diameter of the copper particle be more than or equal to 0.5 millimeter and less than etc. In 1 millimeter.
The inner surface of the Import & Export Department 4 is equipped with the internal thread for being connected with filter case 1.
The filter element shell is made of plastics.
As shown in figure 3, the invention discloses the rotary-load-type fuel filter for using above-mentioned element of fuel filter, including filter Clear device shell 1, filter case 1 is interior to be equipped with connecting cylinder 13,4 inner wall of Import & Export Department and connecting cylinder of filter element shell in top position 13 outer wall threads link together;Fuel gallery 14 is surrounded between the side wall and bottom wall and 1 inner wall of filter case of filter element shell, Fuel gallery 14 between 1 inner wall of 3 outer wall of taper portion and filter case of filter element shell is air accumulation area 15, the taper Cavity 5 is gas discharge area 16, and the intercommunicating pore 11 is connected to gas discharge area 16 and air accumulation area 15;It pushes up in air accumulation area 15 The filter case 1 in portion is equipped with fuel feed hole 17, the oil outlet 18 of the top of connecting cylinder 13 as filter case 1.
As shown in figure 4, the invention discloses the plastic housing fuel filter for using above-mentioned element of fuel filter, including filtering Device shell 1, filter case 1 is interior to be equipped with connecting cylinder 13,4 inner wall of Import & Export Department and the connecting cylinder 13 of filter element shell in top position Outer wall thread links together;Fuel gallery 14 is surrounded between the side wall and bottom wall and 1 inner wall of filter case of filter element shell, is filtered Fuel gallery 14 between 1 inner wall of 3 outer wall of taper portion and filter case of core shell body is gas discharge area 16, and the taper is empty Chamber 5 is air accumulation area 15, and the intercommunicating pore 11 is connected to gas discharge area 16 and air accumulation area 15;At the top of gas discharge area Filter case is equipped with flowline 20, and the top of connecting cylinder 13 is connected with the oil inlet pipe of filter case.Oil inlet pipe is conventional Structure, it is not shown.
When in use, fuel oil enters fuel gallery 14 to the rotary-load-type fuel filter of the present invention by fuel feed hole 17.Due to It is negative pressure at fuel filter, therefore the solubility for firing oil dissolved gas reduces, and may cause gas evolution phenomenon.What is be precipitated is a small amount of Gas is gathered in 14 top of fuel gallery under the action of buoyancy, and gas is directly entered by intercommunicating pore 11 and its interior filter block 12 Body discharge area 16 is simultaneously discharged upwardly through oil outlet 18.Since gas can be discharged in time, will not largely assemble.A small amount of gas Body will not cause flame-out phenomenon with fuel oil outflow.After fuel oil enters fuel gallery 14, comes below filter core, pass through from the bottom to top The open end 10 of filter medium enters filter medium.Since the surface of open end 10 is blind end 9, fuel oil must be lateral Enter in one layer of adjacent filter medium across filter paper, could be flowed out by the open end 10 of top, this guarantees fuel oil certainty Obtain the filtering of filter paper.After fuel oil is flowed out by open end 10, fuel filter is flowed out by oil outlet 18.
In two layers of filter medium, the blind end 9 of first layer filter medium is opposite with the open end 10 of second layer filter medium Together, such setting ensure that filter core upper and lower ends are alternately equipped with open end 10 and blind end 9, be that fuel oil necessarily obtains filter paper Filtering guarantee, and determine that fuel oil either from bottom to top by filter core, still passes through filter core, can Obtain the filtering of filter paper.
When in use, fuel oil enters the cone for being used as air accumulation area 15 by oil inlet pipe to the plastic housing fuel filter of the present invention Shape cavity 5.The a small amount of gas being precipitated in fuel oil is gathered in air accumulation area 15 under the action of buoyancy, by intercommunicating pore 11 and its Interior filter block 12 is directly entered gas discharge area 16 and is discharged upwardly through flowline 20.Since gas can be discharged in time, Therefore will not largely assemble.A small amount of gas will not cause flame-out phenomenon with fuel oil outflow.After fuel oil enters air accumulation area 15, Filter medium is from top to bottom entered by the open end of filter medium 10.Since the underface of open end 10 is blind end 9, Fuel oil must enter laterally through filter paper in one layer of adjacent filter medium, could be flowed out by the open end 10 of lower section, this is just protected The filtering that fuel oil necessarily obtains filter paper is demonstrate,proved.After fuel oil is flowed out by open end 10, fuel filter is flowed out by flowline 20.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although with reference to above-described embodiment to this hair It is bright to be described in detail, it will be understood by those of ordinary skill in the art that:Still can the present invention be modified or be waited With replacing, without departing from the spirit or scope of the invention, or any substitutions, the power in the present invention should all be covered In sharp claimed range.

Claims (6)

1. element of fuel filter, it is characterised in that:Including filter element shell, filter element shell one end is arrival end and the other end is Mouth end, the arrival end of filter element shell and/or outlet end with filter case for being connected;
In the axial direction, filter element shell includes taper portion and the disengaging for being sequentially connected the dielectric support portion, section flare that connect Oral area;The upper end diameter of taper portion is less than its lower end diameter;
The dielectric support portion inner surface interference seal cooperation is equipped with filtering body;Filter element shell at taper portion is surrounded with filtering body Taper cavity;
The filtering body is wound by two layers of filter medium is closely knit;The structure of two layers of filter medium is identical, includes flat Plate filter paper and the ripple filter paper being connected with tabular filter paper, the both ends of ripple filter paper length direction and tabular filter paper are mutually neat Flat, ripple filter paper is narrower than tabular filter paper in the direction of the width;Ripple filter paper one end and tabular filter paper phase in the direction of the width It flushes and the end of the other end and tabular filter paper has interval, interval is equipped with and glues tabular filter paper and ripple filter paper at this It is connected together and blocks the glue adhesive linkage at the end;Fuel oil is surrounded between ripple filter paper, tabular filter paper and glue adhesive linkage Access;The one end of filter medium with glue adhesive linkage is blind end and opposite end is open end;
In two layers of filter medium, the open end of the blind end and second layer filter medium of first layer filter medium aligns;
Filter element shell at the taper portion is equipped with anti-stall structure;Anti-stall structure includes the connection being set on filter element shell Block, link block are equipped with intercommunicating pore, and the inner end of intercommunicating pore is connected with the taper cavity, the outer end of intercommunicating pore and filter element shell Outside is connected;Filter block is equipped in intercommunicating pore, filter block coordinates with intercommunicating pore inner wall sealing in circumferential direction.
2. element of fuel filter according to claim 1, it is characterised in that:The filter block by copper particle sintered and At the diameter of the copper particle is more than or equal to 0.5 millimeter and is less than or equal to 1 millimeter.
3. element of fuel filter according to claim 1, it is characterised in that:The inner surface of the Import & Export Department, which is equipped with, to be used In the internal thread being connected with filter case.
4. element of fuel filter according to any one of claim 1 to 3, it is characterised in that:The filter element shell by Plastics are made.
5. using the rotary-load-type fuel filter of element of fuel filter described in claim 4, it is characterised in that:Including filter Shell, filter box body is interior to be equipped with connecting cylinder, Import & Export Department's inner wall and the connecting cylinder outer wall thread of filter element shell in top position It links together;Fuel gallery, the cone of filter element shell are surrounded between the side wall and bottom wall and filter case inner wall of filter element shell Fuel gallery between shape portion outer wall and filter case inner wall is air accumulation area, and the taper cavity is gas discharge area, The intercommunicating pore connection gas discharge area and air accumulation area;Filter case at the top of air accumulation area is equipped with fuel feed hole, Oil outlet of the top of connecting cylinder as filter case.
6. using the plastic housing fuel filter of element of fuel filter described in claim 4, it is characterised in that:Including filter box Body, filter box body is interior to be equipped with connecting cylinder in top position, and Import & Export Department's inner wall and the connecting cylinder outer wall thread of filter element shell connect It is connected together;Fuel gallery, the taper of filter element shell are surrounded between the side wall and bottom wall and filter case inner wall of filter element shell Fuel gallery between portion's outer wall and filter case inner wall is gas discharge area, and the taper cavity is air accumulation area, institute State intercommunicating pore connection gas discharge area and air accumulation area;Filter case at the top of gas discharge area is equipped with flowline, even The top of connect cylinder is connected with the oil inlet pipe of filter case.
CN201810349688.2A 2018-04-18 2018-04-18 Fuel filter element, spin-on type fuel filter and plastic shell fuel filter Active CN108457783B (en)

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CN201810349688.2A CN108457783B (en) 2018-04-18 2018-04-18 Fuel filter element, spin-on type fuel filter and plastic shell fuel filter

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Application Number Priority Date Filing Date Title
CN201810349688.2A CN108457783B (en) 2018-04-18 2018-04-18 Fuel filter element, spin-on type fuel filter and plastic shell fuel filter

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CN108457783B CN108457783B (en) 2024-01-12

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109621583A (en) * 2019-01-25 2019-04-16 莆田盾之星滤清器有限公司 A kind of high leakproofness filter being easily installed disassembly
CN109750558A (en) * 2019-01-25 2019-05-14 莆田盾之星滤清器有限公司 A kind of two-layer compound filter paper of filter and preparation method thereof
CN109821324A (en) * 2019-01-25 2019-05-31 莆田盾之星滤清器有限公司 A kind of filter and its installation method with corrugated surface sealing ring

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040034475A (en) * 2002-10-21 2004-04-28 하산 함단 압델콰더 알리 Diesel fuel purifier
CN202468107U (en) * 2012-01-31 2012-10-03 平原滤清器有限公司 Filter element and fuel filter thereof
CN106499554A (en) * 2016-12-29 2017-03-15 广西华原过滤系统股份有限公司 A kind of have degassing function diesel filter
CN208040595U (en) * 2018-04-18 2018-11-02 平原滤清器有限公司 Element of fuel filter, rotary-load-type fuel filter and plastic housing fuel filter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040034475A (en) * 2002-10-21 2004-04-28 하산 함단 압델콰더 알리 Diesel fuel purifier
CN202468107U (en) * 2012-01-31 2012-10-03 平原滤清器有限公司 Filter element and fuel filter thereof
CN106499554A (en) * 2016-12-29 2017-03-15 广西华原过滤系统股份有限公司 A kind of have degassing function diesel filter
CN208040595U (en) * 2018-04-18 2018-11-02 平原滤清器有限公司 Element of fuel filter, rotary-load-type fuel filter and plastic housing fuel filter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109621583A (en) * 2019-01-25 2019-04-16 莆田盾之星滤清器有限公司 A kind of high leakproofness filter being easily installed disassembly
CN109750558A (en) * 2019-01-25 2019-05-14 莆田盾之星滤清器有限公司 A kind of two-layer compound filter paper of filter and preparation method thereof
CN109821324A (en) * 2019-01-25 2019-05-31 莆田盾之星滤清器有限公司 A kind of filter and its installation method with corrugated surface sealing ring

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