CN113374606A - Fuel filter assembly - Google Patents
Fuel filter assembly Download PDFInfo
- Publication number
- CN113374606A CN113374606A CN202110777185.7A CN202110777185A CN113374606A CN 113374606 A CN113374606 A CN 113374606A CN 202110777185 A CN202110777185 A CN 202110777185A CN 113374606 A CN113374606 A CN 113374606A
- Authority
- CN
- China
- Prior art keywords
- filter element
- filter
- assembly
- component
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 31
- 238000005086 pumping Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 33
- 239000000306 component Substances 0.000 description 16
- 239000007789 gas Substances 0.000 description 9
- 239000000295 fuel oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/44—Filters structurally associated with pumps
-
- 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
- F02M37/24—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by water separating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/34—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements by the filter structure, e.g. honeycomb, mesh or fibrous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/48—Filters structurally associated with fuel valves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a fuel filter assembly, which comprises a hand pump component, a filter element component and a filter tank component, wherein the hand pump component is connected and installed at the top end of the filter tank component through threads; the filter element assembly comprises a filter element shell, an upper end cover, a valve seat and a central filter element pipe, wherein the upper end cover is installed on the top end of the filter element shell, the valve seat is installed inside an upper end bottleneck-shaped structure of the filter element shell, the central filter element pipe is installed at the center of the lower end of the filter element shell, a pump oil cache space is arranged between the upper end cover and the valve seat, and the upper ends of the upper end cover and the filter element shell are both installed in a cavity A. The fuel filter assembly disclosed by the invention has the advantages of compact structure and good oil pumping effect, reduces the number of parts and the overall complexity of a system, enables the filter to be more conveniently assembled, has high stability, improves the product quality and the production efficiency, and reduces the use and manufacturing cost.
Description
Technical Field
The invention relates to the technical field of fuel filters, in particular to a fuel filter assembly.
Background
In recent years, social productivity is greatly improved, material level is greatly developed, automobiles are no longer luxury but gradually enter households like refrigerator color TV, and great convenience is brought to daily trips of people. Meanwhile, the fuel can be fully combusted, the emission of greenhouse gases is reduced, and the method has important significance for natural environment protection.
The fuel filter, as a consumable part, has a higher replacement frequency than other parts, so that the manufacturing cost is reduced, the standardization and simplification are realized, and the fuel filter is a major pursuit target of various large enterprises. At present, the fuel filter in the market mainly has the defects of complex structure, large number of parts, high assembly difficulty, poor product stability and the like, and the manufacturing and using cost is higher.
Disclosure of Invention
The invention aims to: a fuel filter assembly is provided to address the above deficiencies.
In order to achieve the above purpose, the invention provides the following technical scheme:
a fuel filter assembly comprises a hand pump component, a filter element component and a filter tank component, wherein the hand pump component is of a cover-shaped structure, the filter tank component is of a cup-shaped structure, the hand pump component is connected with the top end of the filter tank component through threads, the filter element component is installed inside the filter tank component, a tubular protruding structure is arranged on the inner end face of the hand pump component of the cover-shaped structure, the inside of the hand pump component is divided into an inner cavity A and an outer cavity B by the tubular protruding structure, a pumping device is arranged on the upper end face of the hand pump component, and a pumping pipeline communicated with the cavity A is arranged in the pumping device; the filter element group spare includes filter core casing, upper end cover, disk seat, central filter element pipe, filter core casing upper end is bottleneck column structure, the upper end cover is installed on filter core casing top, the disk seat is installed inside the upper end bottleneck column structure of filter core casing, central filter element pipe is installed in filter core casing lower extreme center department, the inside pump oil buffer memory space that is provided with of filter core casing bottleneck column structure between upper end cover and the disk seat, the upper end cover of filter element group spare and the upper end bottleneck column structure of filter core casing are all installed in cavity A, just the upper end bottleneck column structure of upper end cover, filter core casing all realizes the laminating with the protruding inner wall of structure of tubulose of hand pump subassembly, pump gas pipeline communicates to in the pump oil buffer memory space.
Preferably, the center of the upper end cover and the center of the valve seat are provided with oil pumping valve holes, the upper end and the lower end of the oil pumping valve hole of the upper end cover are respectively communicated with the cavity A and the oil pumping buffer space, the upper end and the lower end of the oil pumping valve hole of the valve seat are respectively communicated with the oil pumping buffer space and the center filter element tube, and the oil pumping valve holes of the upper end cover and the valve seat are respectively provided with an umbrella-shaped valve A and an umbrella-shaped valve B.
Preferably, the outer wall of the bottleneck-shaped structure at the upper end of the filter element shell is provided with a pump air hole, the pump air hole is communicated into the pump oil caching space, the pump air pipeline corresponds to the pump air hole in position, and an elastic sealing element is arranged at the joint of the pump air pipeline and the pump air hole.
Preferably, be provided with sealing washer A on the outer wall of upper end cover, be provided with sealing washer B on the filter core casing outer wall of pump gas hole below, sealing washer A, sealing washer B make the outer wall of upper end cover outer wall, the upper end bottleneck column structure of filter core casing all with the laminating of tubulose protruding structural inner wall sealed respectively.
Preferably, the valve seat is installed inside the bottleneck-shaped structure of the filter element shell below the pump air hole, a sealing ring C is arranged on the outer wall of the valve seat, and the outer wall of the valve seat is attached and sealed with the inner wall of the bottleneck-shaped structure at the upper end of the filter element shell through the sealing ring C.
Preferably, a filter layer is arranged on the outer wall of the central filter element tube.
Preferably, an oil outlet is arranged at the center of the top end of the hand pump assembly with a cover-shaped structure and penetrates through the cavity A.
Preferably, the lower end of the central filter element pipe is provided with a vertical end cover, the bottom of the filter tank assembly below the filter element assembly is provided with a tubular supporting piece, the vertical end cover is fixed at the top end of the tubular supporting piece, and an O-shaped sealing ring is arranged between the vertical end cover and the tubular supporting piece.
Preferably, a water discharge valve port and a water level sensor are arranged on the outer wall of the bottom of the filter tank assembly, and the water discharge valve port penetrates into the tubular support below the filter core assembly.
Preferably, an oil inlet is formed in the top end of the hand pump assembly, and the oil inlet penetrates into the cavity B in the hand pump assembly.
The invention has the beneficial effects that:
according to the fuel filter assembly, the fuel pumping buffer space is arranged in the bottleneck-shaped structure of the filter element shell between the upper end cover of the filter element component and the valve seat, the umbrella-shaped valve A and the umbrella-shaped valve B are added, filtered fuel can be sucked into the fuel pumping buffer space and then discharged through the circular pressing of the hand pump component, the structure is compact, the fuel pumping effect is good, the number of parts is reduced, the overall complexity of a system is reduced, the assembly of the filter is more convenient and faster, the reliability and the stability are greatly improved, the quality risk in the using process is obviously reduced, the simplification and the standardization of the filter are realized, the product quality and the production efficiency are improved, the use and the manufacturing cost are reduced, and the economic benefit is great.
Drawings
FIG. 1: the invention has a schematic structure;
FIG. 2: the hand pump assembly is structurally schematic;
FIG. 3: the filter element assembly structure of the invention is schematically shown.
Detailed Description
The following description of the embodiments of the present invention is made with reference to the accompanying drawings 1 to 3:
as shown in fig. 1-3, a fuel filter assembly comprises a hand pump assembly 1, a filter element assembly 2 and a filter tank assembly 3, wherein the hand pump assembly 1 is of a cover-shaped structure, the filter tank assembly 3 is of a cup-shaped structure, the hand pump assembly 1 is connected with the top end of the filter tank assembly 3 through threads, and the filter element assembly 2 is arranged inside the filter tank assembly 3.
The hand pump assembly comprises a hand pump assembly 1 and is characterized in that a tubular protruding structure is arranged on the inner end face of the hand pump assembly 1 in a cover-shaped structure, the interior of the hand pump assembly 1 is divided into an inner cavity A11 and an outer cavity B12 by the tubular protruding structure, a pumping device 13 is arranged on the upper end face of the hand pump assembly 1, and a pumping pipeline 14 communicated to the cavity A11 is arranged in the pumping device 13. The top end of the hand pump assembly 1 is provided with an oil inlet 15, and the oil inlet 15 penetrates into a cavity B12 inside the hand pump assembly 1. An oil outlet 5 is arranged at the center of the top end of the hand pump assembly 1 with a cover-shaped structure, and the oil outlet 5 penetrates through the cavity A11.
Filter element group 2 includes the filter core casing, upper end cap 22, the disk seat 25, central filter element pipe 28, filter element casing upper end is bottleneck column structure, upper end cap 22 is installed on filter element casing top, inside the upper end bottleneck column structure at the filter core casing is installed to disk seat 25, the inside pump oil buffer memory space that is provided with of filter element casing bottleneck column structure between upper end cap 22 and the disk seat 25, the upper end bottleneck column structure of upper end cap 22 and the filter element casing of filter element group 2 is all installed in cavity A11, and upper end cap 22, the upper end bottleneck column structure of filter element casing all realizes the laminating with the protruding structure inner wall of tubulose of hand pump group spare 1, pump gas pipeline 14 communicates to in the pump oil buffer memory space. Be provided with pump gas hole 4 on the upper end bottleneck column structure outer wall of filter core casing, pump gas hole 4 communicates to in the pump oil buffer memory space, and pump gas pipeline 14 corresponds with pump gas hole 4 position, and pump gas pipeline 14 and pump gas hole 4 junction are provided with elastic sealing member.
The centers of the upper end cover 22 and the valve seat 25 are respectively provided with an oil pumping valve hole, the upper end and the lower end of the oil pumping valve hole of the upper end cover 22 are respectively communicated with the cavity A11 and the oil pumping buffer space, the upper end and the lower end of the oil pumping valve hole of the valve seat 25 are respectively communicated with the oil pumping buffer space and the interior of the central filter element pipe 28, and the oil pumping valve holes of the upper end cover 22 and the valve seat 25 are respectively provided with an umbrella-shaped valve A21 and an umbrella-shaped valve B24.
The outer wall of the upper end cover 22 is provided with a sealing ring A23, the outer wall of the filter element shell below the pump air hole 4 is provided with a sealing ring B26, and the outer wall of the upper end cover 22 and the outer wall of the upper end bottleneck-shaped structure of the filter element shell are respectively attached and sealed with the inner wall of the tubular protruding structure through the sealing ring A23 and the sealing ring B26. The valve seat 25 is arranged inside the bottleneck-shaped structure of the filter element shell below the pump air hole 4, a sealing ring C27 is arranged on the outer wall of the valve seat 25, and the outer wall of the valve seat 25 is attached and sealed with the inner wall of the bottleneck-shaped structure at the upper end of the filter element shell through the sealing ring C27.
The central filter element tube 28 is arranged at the center of the lower end of the filter element shell, and the outer wall of the central filter element tube 28 is provided with a filter layer 29. The lower end of the central filter element tube 28 is provided with a vertical end cover 210, the bottom of the filter tank assembly 3 below the filter element assembly 2 is provided with a tubular support 31, the vertical end cover 210 is fixed at the top end of the tubular support 31, and an O-shaped sealing ring 211 is arranged between the vertical end cover 210 and the tubular support 31.
The outer wall of the bottom of the filter tank assembly 3 is provided with a water discharge valve port 32 and a water level sensor 33, and the water discharge valve port 32 penetrates into the tubular support 31 below the filter core assembly 2.
In the practical use process of the fuel filter assembly, firstly, fuel enters a cavity B12 through an oil inlet 15 arranged at the top end of a hand pump component 1 and is filled in an interlayer space between a filter core component 2 and a filter tank component 3; then, the fuel oil is filtered by the filter layer 29 on the outer wall of the central filter element pipe 28, and the filtered water drops and the like enter the tubular support 31 at the bottom of the filter tank assembly 3 below the filter element assembly 2 and are discharged through the water discharge valve port 32; the filtered fuel oil enters the central filter element pipe 28, the circulating pressing of the air pumping device 13 arranged on the upper end surface of the hand pump assembly 1 enables the positive pressure and the negative pressure in the pump oil buffer space to be alternately carried out, meanwhile, only one umbrella-shaped valve A and one umbrella-shaped valve B which are positioned above and below the pump oil buffer space are opened at the same time to form a single channel, and the fuel oil in the central filter element pipe 28 enters the cavity A11 through the umbrella-shaped valve B, the pump oil buffer space and the umbrella-shaped valve A and is finally discharged through the oil outlet 5.
According to the fuel filter assembly, the pump oil buffer space is arranged in the bottleneck-shaped structure of the filter element shell between the upper end cover 22 of the filter element assembly and the valve seat 25, the umbrella-shaped valve A21 and the umbrella-shaped valve B24 are added, filtered fuel oil can be sucked into the pump oil buffer space and then discharged through the circulating pressing of the hand pump assembly 1, the structure is compact, the oil pumping effect is good, the number of parts is reduced, the overall complexity of a system is reduced, the assembly of the filter is more convenient and rapid, the reliability and stability are greatly improved, the quality risk in the use process is obviously reduced, the simplification and standardization of the filter are realized, the product quality and the production efficiency are improved, the use and manufacturing cost are reduced, and the economic benefit is greatly increased.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without such modifications.
Claims (10)
1. The fuel filter assembly is characterized by comprising a hand pump component (1), a filter element component (2) and a filter tank component (3), wherein the hand pump component (1) is of a cover-shaped structure, the filter tank component (3) is of a cup-shaped structure, the hand pump component (1) is connected and installed at the top end of the filter tank component (3) through threads, the filter element component (2) is installed inside the filter tank component (3), a tubular protruding structure is arranged on the inner end face of the hand pump component (1) of the cover-shaped structure, the tubular protruding structure divides the inside of the hand pump component (1) into an inner cavity A (11) and an outer cavity B (12), a pumping device (13) is arranged on the upper end face of the hand pump component (1), and a pumping pipeline (14) communicated to the cavity A (11) is arranged in the pumping device (13); the filter element assembly (2) comprises a filter element shell, an upper end cover (22), a valve seat (25) and a central filter element pipe (28), the upper end of the filter element shell is a bottleneck-shaped structure, the upper end cover (22) is arranged at the top end of the filter element shell, the valve seat (25) is arranged in the bottleneck-shaped structure at the upper end of the filter element shell, the central filter element pipe (28) is arranged at the center of the lower end of the filter element shell, an oil pumping buffer space is arranged in the bottleneck-shaped structure of the filter element shell between the upper end cover (22) and the valve seat (25), the upper end cover (22) of the filter element component (2) and the upper end bottleneck structure of the filter element shell are both arranged in the cavity A (11), and the upper end bottleneck-shaped structures of the upper end cover (22) and the filter element shell are attached to the inner wall of the tubular protruding structure of the hand pump assembly (1), and the pumping pipeline (14) is communicated to the pumping oil buffer space.
2. The fuel filter assembly of claim 1, wherein an oil pumping valve hole is formed in the centers of the upper end cover (22) and the valve seat (25), the upper end and the lower end of the oil pumping valve hole of the upper end cover (22) are respectively communicated with the cavity A (11) and the oil pumping buffer space, the upper end and the lower end of the oil pumping valve hole of the valve seat (25) are respectively communicated with the oil pumping buffer space and the interior of the central filter core pipe (28), and an umbrella-shaped valve A (21) and an umbrella-shaped valve B (24) are respectively arranged in the oil pumping valve holes of the upper end cover (22) and the valve seat (25).
3. The fuel filter assembly of claim 1, wherein the outer wall of the upper bottleneck-shaped structure of the filter element shell is provided with a pump air hole (4), the pump air hole (4) is communicated into the pump oil buffer storage space, the pump air pipeline (14) corresponds to the pump air hole (4) in position, and an elastic sealing member is arranged at the joint of the pump air pipeline (14) and the pump air hole (4).
4. The fuel filter assembly of claim 3, wherein a seal ring A (23) is arranged on the outer wall of the upper end cover (22), a seal ring B (26) is arranged on the outer wall of the filter element shell below the pump air hole (4), and the seal rings A (23) and B (26) respectively enable the outer wall of the upper end cover (22) and the outer wall of the upper end bottleneck structure of the filter element shell to be in fit sealing with the inner wall of the tubular protruding structure.
5. The fuel filter assembly of claim 3, wherein the valve seat (25) is mounted inside a bottleneck structure of the filter cartridge housing below the pump air hole (4), and a sealing ring C (27) is arranged on the outer wall of the valve seat (25), and the outer wall of the valve seat (25) is in fit sealing with the inner wall of the bottleneck structure at the upper end of the filter cartridge housing by the sealing ring C (27).
6. A fuel filter assembly according to claim 1 wherein the central cartridge tube (28) is provided with a filter layer (29) on its outer wall.
7. A fuel filter assembly according to claim 1, wherein the hand pump module (1) of the cap-like structure is provided with an oil outlet (5) at the center of the top end, the oil outlet (5) penetrating to the cavity A (11).
8. The fuel filter assembly of claim 1, wherein the central filter element tube (28) is provided with a vertical end cover (210) at the lower end, the bottom of the filter tank component (3) below the filter element component (2) is provided with a tubular support (31), the vertical end cover (210) is fixed at the top end of the tubular support (31), and an O-shaped sealing ring (211) is arranged between the vertical end cover (210) and the tubular support (31).
9. The fuel filter assembly of claim 8 wherein the outer wall of the bottom of the filter tank assembly (3) is provided with a water discharge valve port (32) and a water level sensor (33), and the water discharge valve port (32) is communicated into the tubular support (31) below the filter element assembly (2).
10. The fuel filter assembly of claim 1, wherein the hand pump assembly (1) is provided with an oil inlet (15) at the top end, and the oil inlet (15) is communicated into the cavity B (12) inside the hand pump assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110777185.7A CN113374606B (en) | 2021-07-09 | 2021-07-09 | Fuel filter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110777185.7A CN113374606B (en) | 2021-07-09 | 2021-07-09 | Fuel filter assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113374606A true CN113374606A (en) | 2021-09-10 |
| CN113374606B CN113374606B (en) | 2024-06-25 |
Family
ID=77581474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110777185.7A Active CN113374606B (en) | 2021-07-09 | 2021-07-09 | Fuel filter assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113374606B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6468435B1 (en) * | 1996-07-23 | 2002-10-22 | Douglass E. Hughes | Automatic valved filter assembly |
| CN101886594A (en) * | 2010-07-06 | 2010-11-17 | 奇瑞汽车股份有限公司 | Filtering device for diesel |
| CN102116236A (en) * | 2011-02-15 | 2011-07-06 | 南充市攀峰滤清器有限公司 | Pollution-free double-stage oil-water separation diesel oil filter |
| CN103649518A (en) * | 2011-07-14 | 2014-03-19 | Ufi过滤股份公司 | Filtering unit |
| CN104500296A (en) * | 2014-12-11 | 2015-04-08 | 合肥威尔燃油系统有限责任公司 | Fuel filter and engine with same |
| CN107905929A (en) * | 2017-12-31 | 2018-04-13 | 无锡威孚高科技集团股份有限公司 | A kind of fuel filter of filtration package |
| CN111608830A (en) * | 2020-05-28 | 2020-09-01 | 一汽解放汽车有限公司 | Fuel filter assembly |
| CN212003398U (en) * | 2020-04-28 | 2020-11-24 | 安徽威尔低碳科技股份有限公司 | Novel plastic fuel filter with built-in check valve |
| CN112196709A (en) * | 2020-11-11 | 2021-01-08 | 蚌埠国威滤清器有限公司 | Fuel filter |
| CN212454664U (en) * | 2020-06-24 | 2021-02-02 | 上海滨道滤清器有限公司 | Prefilter with exhaust function |
-
2021
- 2021-07-09 CN CN202110777185.7A patent/CN113374606B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6468435B1 (en) * | 1996-07-23 | 2002-10-22 | Douglass E. Hughes | Automatic valved filter assembly |
| CN101886594A (en) * | 2010-07-06 | 2010-11-17 | 奇瑞汽车股份有限公司 | Filtering device for diesel |
| CN102116236A (en) * | 2011-02-15 | 2011-07-06 | 南充市攀峰滤清器有限公司 | Pollution-free double-stage oil-water separation diesel oil filter |
| CN103649518A (en) * | 2011-07-14 | 2014-03-19 | Ufi过滤股份公司 | Filtering unit |
| CN104500296A (en) * | 2014-12-11 | 2015-04-08 | 合肥威尔燃油系统有限责任公司 | Fuel filter and engine with same |
| CN107905929A (en) * | 2017-12-31 | 2018-04-13 | 无锡威孚高科技集团股份有限公司 | A kind of fuel filter of filtration package |
| CN212003398U (en) * | 2020-04-28 | 2020-11-24 | 安徽威尔低碳科技股份有限公司 | Novel plastic fuel filter with built-in check valve |
| CN111608830A (en) * | 2020-05-28 | 2020-09-01 | 一汽解放汽车有限公司 | Fuel filter assembly |
| CN212454664U (en) * | 2020-06-24 | 2021-02-02 | 上海滨道滤清器有限公司 | Prefilter with exhaust function |
| CN112196709A (en) * | 2020-11-11 | 2021-01-08 | 蚌埠国威滤清器有限公司 | Fuel filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113374606B (en) | 2024-06-25 |
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