CN106930878A - Fuel filter - Google Patents
Fuel filter Download PDFInfo
- Publication number
- CN106930878A CN106930878A CN201511024434.6A CN201511024434A CN106930878A CN 106930878 A CN106930878 A CN 106930878A CN 201511024434 A CN201511024434 A CN 201511024434A CN 106930878 A CN106930878 A CN 106930878A
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- China
- Prior art keywords
- chamber
- flange
- fuel
- test chamber
- filter core
- 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
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- 239000000446 fuel Substances 0.000 title claims abstract description 71
- 238000012360 testing method Methods 0.000 claims abstract description 89
- 238000001514 detection method Methods 0.000 claims abstract description 84
- 239000000295 fuel oil Substances 0.000 claims abstract description 55
- 238000004140 cleaning Methods 0.000 claims abstract description 38
- 239000003921 oil Substances 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 25
- 238000010276 construction Methods 0.000 claims description 22
- 239000000523 sample Substances 0.000 claims description 10
- 238000007689 inspection Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to a kind of fuel filter, above-mentioned fuel filter includes the housing of tubular, which defines inner chamber, is arranged on the top cover and base plate at the relative two ends of housing；The filter core of at least one tubular, filter core be located at inner chamber in, and by inner chamber be divided into filtering before sump oil chamber and filtering after cleaning chamber, and filter core outside be sump oil chamber, filter core inside for cleaning chamber；End plate, end plate is arranged at least one filter core near base plate one end, and at least one opening is offered on end plate, and opening connects with cleaning chamber, and test chamber is formed between end plate and base plate, and test chamber is connected by opening with cleaning chamber, and test chamber is isolated with sump oil chamber；Detection hole is provided with base plate, detection hole connects with test chamber.Because detection hole connect with test chamber, and fuel oil after filtering, by the test chamber, detection means just can directly be detected by the detection hole to the fuel oil in the test chamber, so, clean the fuel oil parameter detecting in chamber be more convenient, it is direct.
Description
Technical field
The present invention relates to cleaner technical field, more particularly to a kind of fuel filter.
Background technology
Impurity is generally comprised in fuel oil, therefore, engine fuel system must have the appropriate of purification fuel oil
Cleaner.
When cleaner works, in order to ensure engine work, we can be carried out to the fuel oil after filtering
Detection, to determine the fuel states in cleaner.Filter core filtering direction be outside in the case of,
In traditional detection method, typically sensor is arranged on the output channel of cleaner, it is defeated by detecting
The fuel oil parameter gone out in pipeline, so that the fuel oil parameter in indirect detection cleaner after filtering；But elongated is defeated
Going out pipeline can cause testing result to lack accuracy and sensitivity.
The content of the invention
Based on this, it is necessary to for the fuel testing problem of fuel filter, there is provided a kind of fuel filter.
A kind of fuel filter, including：The housing of tubular, which defines inner chamber, and the housing includes oil-feed
Hole and outage, and the top cover and base plate of the housing opposite end are arranged on, institute is opened up on the base plate
State outage；The filter core of at least one tubular, the filter core is located in the inner chamber, and the inner chamber is divided
Cleaning chamber behind the sump oil chamber being divided into before filtering and filtering, the fuel feed hole is connected with the sump oil chamber, and institute
It is the sump oil chamber to state filter core outside, and the filter core inside is the cleaning chamber；End plate, the end plate sets
At least one filter core is placed near one end of the base plate, at least one opening is offered on the end plate,
The opening is connected with the cleaning chamber inside the filter core, and test chamber is formed between the end plate and the base plate,
The test chamber by it is described opening connected with the cleaning chamber inside the filter core, and the test chamber with it is described
Sump oil chamber isolates, and the outage is connected with the test chamber；Detection hole, the inspection are offered on the base plate
Gaging hole is connected with the test chamber so that detection means can be by the detection hole in the test chamber
Fuel oil carries out direct detection.
Above-mentioned fuel filter, fuel oil enters from fuel feed hole, successively via sump oil chamber, the filter wall of filter core, clear
Clean chamber, the opening of end plate, test chamber, are finally discharged by outage.Test chamber is formed by end plate and base plate,
Test chamber is directly connected with cleaning chamber by the opening of end plate, while being provided with detection hole on base plate.Detection
Chamber is directly connected by the opening on end plate with the cleaning chamber inside filter core, so that the fuel oil in test chamber
Essentially identical state is in the fuel oil inside filter core.Detection hole causes that the detection for being arranged on plate outer side is filled
Putting can be by detecting the fuel oil parameter in the direct detection test chamber of hole, so that detecting more accurately, spirit
Sensitivity is high.Further, outage is connected with test chamber, it is also possible to so that the compact overall structure of cleaner.
Wherein in one embodiment, the detection means is extend into the detection hole in the test chamber
Fuel oil carry out direct detection, or the detection head of the detection means extend into the inspection by the detection hole
Survey in chamber, to the fuel oil direct detection in the test chamber.
Wherein in one embodiment, fuel filter also includes：First flange and the second flange, wherein,
First flange is arranged at surface of the end plate in face of the side of the base plate, and surrounds described all open
Mouthful, second flange is arranged at the base plate towards the surface of the end plate side, the second flange bag
The outage and the detection hole are enclosed, second flange is connected with first flange seal.
First flange, second flange, the base plate and the end plate are collectively forming test chamber.
Wherein in one embodiment, sealed by sealing ring between first flange and second flange
Connection.
Wherein in one embodiment, fuel filter also includes：Elastic construction, the elastic construction is set
Between the other end of the top cover end plate relative with least one filter core, the elastic construction makes
Obtain first flange and compress second flange.
Wherein in one embodiment, the sealing surface of first flange and second flange is the conical surface.
Wherein in one embodiment, the base plate includes external part, and the external part stretches into the test chamber
It is interior, the detection hole is offered on the external part.
Wherein in one embodiment, fuel filter also includes sensor, and the sensor is used as the inspection
Device is surveyed, the sensor is arranged on the base plate；The sensor includes probe, and the probe is stretched into
To in the detection hole, to detect the fuel oil parameter in the test chamber, the probe and the detection hole
Inwall is sealed by sealing ring.
Wherein in one embodiment, the sensor is pressure sensor or temperature sensor.
Wherein in one embodiment, fuel filter also includes the sensor positioned at the plate outer side surface
Seat, for setting the sensor, the structure that the sensor holder is formed in one with the base plate.
Wherein in one embodiment, fuel filter also includes U-shaped snap ring, is set on the sensor holder
There is draw-in groove, the draw-in groove is adapted with the two ends of the U-shaped snap ring, when the sensor is located at the sensing
When on device seat, the two ends of the U-shaped snap ring pass through the draw-in groove, and be fixedly clamped the sensor.
Wherein in one embodiment, the quantity of the filter core is two or more, each described filter core
Internal cleaning chamber connects at least through the opening on an end plate with the test chamber.
It is dismountable connected mode wherein in one embodiment, between the base plate and the housing.
Wherein in one embodiment, the fuel feed hole is provided with the top cover, the fuel filter is also
Including heater, the heater is arranged on the housing, and positioned at the top cover side, the heating
Device is connected by the fuel feed hole with the top cover, and the fuel oil is successively via the heater and the oil-feed
Hole enters the housing.
Brief description of the drawings
Fig. 1 is the sectional view of the fuel filter of one embodiment of the invention；
Fig. 2 is the sectional view of the fuel filter of another embodiment of the present invention.
Specific embodiment
It is right below in conjunction with the accompanying drawings to enable the above objects, features and advantages of the present invention more obvious understandable
Specific embodiment of the invention is described in detail.
Fig. 1 is refer to, Fig. 1 is the sectional view of the fuel filter of one embodiment of the invention.The fuel filter
The filter core 12 of the housing 10, tubular including tubular, end plate 14.Wherein, the housing 10 of tubular is defined
Inner chamber (does not indicate), and housing 10 includes fuel feed hole 20 and outage 22, and is arranged on the phase of housing 10
To the top cover 16 and base plate 18 at two ends, outage 22 is offered on base plate 18.Filter core 12 is located in inner chamber,
And the cleaning chamber 26 after sump oil chamber 24 that inner chamber is divided into before filtering and filtering, fuel feed hole 20 and sump oil chamber
24 connections, the outside of filter core 12 is sump oil chamber 24, and the inside of filter core 12 is cleaning chamber 26.End plate 14 is arranged at
Filter core 12 offers at least one opening (not indicating) near one end of base plate 18 on end plate 14, open
Mouth is connected with the cleaning chamber 26 inside filter core 12, and test chamber 28, inspection are formed between end plate 14 and base plate 18
Chamber 28 is surveyed to be connected with the cleaning chamber 26 inside filter core 12 by opening, and test chamber 28 and sump oil chamber 24 every
From outage 22 is connected with test chamber 28.Detection hole 30, detection hole 30 and inspection are offered on base plate 18
Survey chamber 28 to connect so that detection means can be by detecting that hole 30 carries out directly the fuel oil in test chamber 28
Detection.
Above-mentioned fuel filter, fuel oil enters from fuel feed hole 20, successively via sump oil chamber 24, filter core 12
Filter wall, cleaning chamber 26, opening, test chamber 28, are finally discharged by outage 22.Test chamber 28 is by end plate
14 and base plate 28 formed, test chamber 28 is directly connected with cleaning chamber 26 by the opening on end plate 14, together
When on base plate 28 be provided with detection hole 30.Test chamber 28 is by the opening on end plate 14 and filter core 12
The cleaning chamber 26 in portion is joined directly together, so that at fuel oil inside fuel oil in test chamber 28 and filter core 12
In essentially identical state.Detection hole 30 enables the detection means for being arranged on the outside of base plate 18 by inspection
Fuel oil parameter in the direct detection test chamber 28 of gaging hole 30, so that detection is more accurate, sensitivity is high.
Further, outage 22 is connected with test chamber 26, it is also possible to so that the overall structure of fuel filter is tight
Gather.
It should be noted that above-mentioned fuel oil can be gasoline, or diesel oil, the fuel oil in the present embodiment
It is diesel oil.
It is dismountable connected mode in the present embodiment, between base plate 18 and housing 10.So, in filter core
12 need change when, base plate 18 can be dismantled, easily change filter core 12.It should be noted that at other
In embodiment, the connection between base plate 18 and housing 10 is not limited to this, and base plate 18 also may be used with housing 10
Being integrally formed connected mode.The more compact structure of fuel filter is so caused, manufacture is easy.
As shown in figure 1, the quantity of filter core 12 is one, correspondingly, the cleaning chamber 26 inside filter core 12 counts
Amount is also one, and the quantity of opening is equal with the quantity of filter core 12, is one, but the quantity of opening can also
It is multiple, and multiple openings are all joined directly together with the cleaning chamber 26 inside filter core 12.Combustion can so be reduced
The cost of oil rectifier.It should be noted that in other embodiments, the quantity of filter core 12 can also be two
Individual or two or more.
Detection hole 30 is circular hole, is sealed by sealing ring between detection means and base plate 18, further,
Sealing ring is O-ring seals.So cause that the fuel oil in test chamber 28 will not be by detecting that hole 30 is revealed.
Base plate 18 includes external part 32, and external part 32 is stretched into test chamber 28, and detection is offered on external part 32
Hole 30.Because external part 32 in test chamber 28 to stretching into, the detection hole 30 being opened on external part 32
Inwall provides larger sealing area, for being sealed between detection means, is further ensured that fuel cleaning
The sealing of device.
Detection means is extend into detection hole 30 to the fuel oil direct detection in test chamber 28, or detection means
Detection head extend into test chamber 28 by detecting hole 30, to the fuel oil direct detection in test chamber 28.
Two ways can realize that detection means carries out direct detection to the fuel oil in test chamber 28, can be according to need
Select the set-up mode of detection means.In the present embodiment, the detection head of detection means is stretched by detecting hole 30
Enter in test chamber 28, to the fuel oil direct detection in test chamber 28.
As shown in figure 1, the fuel filter also includes the first flange 34 and the second flange 36, wherein, first
Flange 34 is arranged at surface of the end plate 14 in face of the side of base plate 18, and surrounds opening, the second flange 36
It is arranged at base plate 18 towards the surface of the side of end plate 14.Second flange 36 surrounds outage 22 and detection hole
30, the second flange 36 is tightly connected with the first flange 34.First flange 34, the second flange 36, base plate 18
And end plate 14 surrounds test chamber 28 jointly, make have enough spaces fuel oil to be detected in test chamber 28,
Ensure the accuracy of testing result.
First flange 34 and the second flange 36 are all annular flange, and the first flange 34 and the second flange 36
Center overlapping of axles, can so cause that the first flange 34 is symmetrically attractive in appearance with the setting of the second flange 36, and
Be conducive to the uniform circulation of fuel oil in test chamber 28.In the present embodiment, the external diameter of the first flange 34 is equal to the
The internal diameter of two flanges 36, the first flange 34 is stretched into inside the second flange 36, and the first flange 34 props up bottom
Plate 18, the second flange 36 props up end plate 14, can so cause the cooperation between base plate 18 and end plate 14
It is firm.
Sealing surface between first flange 34 and the second flange 36 is sealed by sealing ring, specifically, first
Sealing surface between the flange 36 of flange 34 and second is tightly connected by O-ring seal.First flange 34 with
Two relative surface contacts of the second flange 36, and be anchor ring, the first flange 34 and the second flange 36
Between anchor ring be tightly connected by sealing ring, which increase the first flange 34 and the second flange 36 it
Between sealing surface area, it is ensured that test chamber 28 is isolated with sump oil chamber 24, it is to avoid sump oil is from the first flange 34
Enter in test chamber 28 with the gap between the second flange 36, mix with the fuel oil after filtering, influence filtering
The degree of purity of fuel oil afterwards.
It should be noted that in other embodiments, the sealing surface of the first flange 34 and the second flange 36 is not
This is confined to, as long as can cause to isolate between test chamber 28 and sump oil chamber 24 and base plate 18 and end plate 14
Coordinate firm.
As shown in figure 1, the fuel filter also includes elastic construction 38, elastic construction 38 is arranged on top cover
Between the other end of 16 end plates 14 relative with filter core 12, elastic construction 38 causes that the first flange 34 compresses the
Two flanges 36.Generally, the size of filter core 12 has certain deviation, if the size of filter core 12 is less than normal,
So it is placed in housing 10, filter core 12 can be active inside housing 10, cause end plate 14
On the first flange 34 cannot compress the second flange 36 on base plate 18, it is impossible to ensure the first flange 34 and
Sealing between two flanges 36, so as to cannot ensure that test chamber 28 is isolated with sump oil chamber 24.Due to elasticity
The elastic construction 38 that structure 38 has elastic force, compressive state has tension force, when elastic construction 38 props up filter core
12, elastic construction 38 compresses filter core 12 towards the direction of end plate 14, so just can be used to compensate filter core 12
Dimensional discrepancy, filter core 12 is placed inside housing 10 firm.In the present embodiment, elastic construction 38 is
Spring with tension force, in other embodiments, elastic construction 38 does not limit to and this, as long as filter core can be compressed
12.
It should be noted that in other embodiments, the sealing surface of the first flange 34 and the second flange 36 is
The conical surface, elastic construction 38 coordinates compression filter core 12 with sealing surface.First flange 34 is stretched into the second flange 36
Portion, the first flange 34 and the second flange 36 face relative to each other are the conical surface, and the first flange 34 is convex with second
The relative conical surface of edge 36 is adapted.The conical surface between first flange 34 and the second flange 36 is close by sealing ring
Envelope connection, clean oil mutually penetrates into the sump oil in sump oil chamber 24 in thus being avoided that test chamber 28.
Because elastic construction 38 has some tension, when the size of filter core 12 is bigger than normal compared with standard size,
Filter core 12 can be pressed to base plate 18 by elastic construction 38, and the first flange 34 stretches into the second flange 36, and first is convex
The sealing surface of the flange 36 of edge 34 and second is the conical surface, and elastic construction 38 can be further by the first flange 34
Press to base plate 18, the contact surface increase of the first flange 34 and the second flange 36.Meanwhile, filter core 12 can also be given
The reaction force of elastic construction 38 is given, elastic construction 38 is further compressed, so that the first flange 34 and second
The conical surface seal face of flange 36 coordinates fixed filter core 12 with elastic construction 38, filter core 12 is consolidated in housing
Work.Also, the easy temperature influence of sealing ring, expands with heat and contract with cold, the first flange 34 and the second flange 36
Conical surface seal face be combined with elastic construction 38, enable to sealing ring to remain close between sealing surface
Envelope is acted on.
As shown in figure 1, in the present embodiment, fuel filter also includes sensor 40, and sensor 40 is used as inspection
Device is surveyed, sensor 40 is arranged on base plate 18.Sensor 40 includes probe 42, and probe 42 extend into
In detection hole 30, to detect the fuel oil parameter in test chamber 28, probe 42 leads to the inwall in detection hole 30
Cross sealing ring sealing.Sensor 40 is pressure sensor or temperature sensor.Pressure sensor or TEMP
The probe 42 of device is extend into detection hole 30, and oil pressure or oil temperature to the fuel oil in test chamber 28 are detected,
Judge whether to need according to testing result to perform corresponding operating to the fuel oil entered in cleaner.If oil pressure mistake
Greatly, more than reference value, then fuel filter performs decompression operation.If oil temperature is too low, reference value is not reached,
Then fuel filter carries out heating operation to fuel oil.
As shown in figure 1, fuel filter also includes the sensor holder 44 positioned at the outer surface of base plate 18, it is used for
Sensor 40 is set, so that sensor 40 sets firm, and testing result is more accurate.In the present embodiment,
The structure that sensor holder 44 is formed in one with base plate 18, ties between such sensor holder 44 and base plate 18
Structure is more compact.In other embodiments, the setting of sensor holder 44 is not limited to this, such as independent sensing
Device seat 44 is mounted at the set-up mode on base plate 18, so that the part of fuel filter can
To pack in a disassembled state, small volume is readily transported.
As shown in figure 1, fuel filter also includes U-shaped snap ring 46, draw-in groove is provided with sensor holder 44
(not indicating), draw-in groove is adapted with the two ends of U-shaped snap ring 46, when sensor 40 is located at sensor holder
When on 44, the two ends of U-shaped snap ring 46 pass through draw-in groove, and be fixedly clamped sensor 40, can so ensure to pass
Sensor 40 is firm to be arranged on sensor holder 44, the fuel oil in test chamber 28 is carried out accurate, stabilization
Detection.
It should be noted that in other embodiments, sensor 40 is fixed on sensor holder 44 into not office
Be limited to using U-shaped snap ring 46, it would however also be possible to employ other fixed form, such as the mode being threadedly coupled can also,
As long as can realize being fixed on sensor 40 on sensor holder 44.
As shown in figure 1, being provided with fuel feed hole 20 on top cover 16, fuel filter also includes heater 48,
For heating the fuel oil entered in housing 10, heater 48 is arranged on housing 10, and positioned at top cover 16
Side, heater 48 is connected by fuel feed hole 20 with top cover 16, and fuel oil successively via heater 48 and enters
Oilhole 20 enters housing 10.
When the fuel oil oil temperature in fuel filter is too low, fuel oil can condense into solid particle, easily block filter
Core 12, it is impossible to effective filter fuel, at this moment can start heater 48 and fuel oil is heated so that heating
Fuel oil afterwards enters back into housing 10, so as to ensure that filter core 12 is unimpeded.
Fig. 2 is refer to, is the sectional view of the fuel filter of another embodiment of the present invention.
Fuel filter includes housing 50, the filter core 52 of at least one tubular, the end plate 54 of tubular.Wherein,
Inner chamber (not indicating) is defined inside housing 50, housing 50 includes fuel feed hole (not indicating) and oil extraction
Hole (does not indicate), and is arranged on the top cover (not indicating) and base plate 56 of the opposite end of housing 50, bottom
Outage (not indicating) is opened up on plate 56.Filter core 52 be located at inner chamber in, and by inner chamber be divided into filtering before
Sump oil chamber (not indicating) and filtering after cleaning chamber (not indicating), fuel feed hole connects with sump oil chamber,
And the outside of filter core 52 is sump oil chamber, the inside of filter core 52 is cleaning chamber.End plate 54 is arranged at least one filter core
52 near one end of base plate 56, and end plate 54 is provided with least one opening (not indicating), opening and filter core
Cleaning chamber connection inside 52.Test chamber 58 is formed between end plate 54 and base plate 56, test chamber 58 passes through
Opening is connected with cleaning chamber filter core 52 inside, and test chamber 58 is isolated with sump oil chamber, outage and is detected
Chamber connects.Detection hole (not indicating) is offered on base plate 56, detection hole connects with test chamber 58 so that
Detection means can be by detecting that hole carries out direct detection to the fuel oil in test chamber 58.
In the present embodiment, the embodiment shown in housing 50, the setting of end plate 54 and annexation reference picture 1,
The setting in fuel feed hole, outage, test chamber 58 and detection hole can also refer to the embodiment shown in Fig. 1.
The quantity of the filter core 52 in the present embodiment is two, and two filter cores 52 side by side and are separately located in inner chamber
Interior, accordingly, the quantity of the opening on end plate 54 is two, one opening of each filter core 52 correspondence.Filter
Cleaning chamber behind the sump oil chamber that is divided into before filtering for the inner chamber of housing 50 by core 52 and filtering, and filter core 52
It is sump oil chamber between outer wall and housing 50, two inside of filter core 52 are respectively two independent cleaning chambers.
Cleaning chamber inside two filter cores 52 is connected by opening corresponding with them with test chamber respectively, respectively
Fuel oil after two filter cores 52 are filtered is entered into test chamber 58 by opening, is converged in test chamber 58
After conjunction, then discharged by outage.
Above-mentioned fuel filter, due to being provided with two filter cores 52, with one fuel cleaning of filter core 52 of setting
Device is compared, and filters same amount of fuel, and the fuel filter of the present embodiment can shorten the length of filter core 52,
And then the length of the whole fuel filter of shortening, increase the scope of application of fuel filter.Additionally, in end plate
Test chamber 58 is formed between 54 and base plate 56, test chamber 58 is connected with cleaning chamber.Simultaneously on base plate 56
There is provided detection hole, due to detection hole connected with test chamber 58, and filter after fuel oil by test chamber 58,
Detection means just can clean chamber by detecting that hole is directly detected to the fuel oil in test chamber 58, so
Interior fuel oil parameter detecting is more convenient, direct.Also, the cleaning inside test chamber 58 and two filter cores 52
Chamber connects, by detecting the parameter of fuel oil in test chamber 58, just can be to the cleaning inside two filter cores 52
The fuel oil in chamber carries out comprehensive detection, it is therefore prevented that only detect the fuel states in the cleaning of one of filter core 52 chamber,
And it is unable to the problem of fuel states in the whole filter core cleaning chamber of combined reaction.
Each technical characteristic of embodiment described above can be combined arbitrarily, not right to make description succinct
The all possible combination of each technical characteristic in above-described embodiment is all described, as long as however, these skills
The combination of art feature does not exist contradiction, is all considered to be the scope of this specification record.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that for this area
For those of ordinary skill, without departing from the inventive concept of the premise, some deformations can also be made and changed
Enter, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be defined.
Claims (10)
1. a kind of fuel filter, including：
The housing of tubular, which defines inner chamber, and the housing includes fuel feed hole and outage, and is arranged on
The top cover and base plate of the housing opposite end, open up the outage on the base plate；
The filter core of at least one tubular, the filter core is located in the inner chamber, and the inner chamber was divided into
The cleaning chamber behind sump oil chamber and filtering before filter, the fuel feed hole is connected with the sump oil chamber, and the filter core
Outside is the sump oil chamber, and the filter core inside is the cleaning chamber；
Characterized in that, also including end plate, the end plate is arranged at least one filter core near described
One end of base plate, offers at least one opening on the end plate, clear inside the opening and the filter core
The connection of clean chamber, forms test chamber between the end plate and the base plate, the test chamber by the opening with
Cleaning chamber connection inside the filter core, and the test chamber isolate with the sump oil chamber, the outage and
The test chamber connection；
It is further opened with detecting hole on the base plate, the detection hole connects with the test chamber so that detection dress
Putting can carry out direct detection by the detection hole to the fuel oil in the test chamber.
2. fuel filter according to claim 1, it is characterised in that the detection means extend into
The fuel oil direct detection in the test chamber, or the detection head of the detection means are passed through in the detection hole
The detection hole is extend into the test chamber, to the fuel oil direct detection in the test chamber.
3. fuel filter according to claim 1, it is characterised in that also include：First flange and
Second flange, wherein, first flange is arranged at surface of the end plate in face of the side of the base plate,
And all openings are surrounded, second flange is arranged at the base plate towards the surface of the end plate side,
Second flange surrounds the outage and the detection hole, and second flange is close with first flange
Envelope connection.
4. fuel filter according to claim 3, it is characterised in that also include：Elastic construction,
The elastic construction be arranged on the top cover end plate relative with least one filter core the other end it
Between, the elastic construction causes that first flange compresses second flange.
5. fuel filter according to claim 4, it is characterised in that first flange and described
The sealing surface of the second flange is the conical surface.
6. fuel filter according to claim 1, it is characterised in that the base plate includes external part,
The external part is stretched into the test chamber, and the detection hole is offered on the external part.
7. the fuel filter according to claim 1 or 6, it is characterised in that also including sensor,
The sensor is arranged on the base plate as the detection means, the sensor；
The sensor includes probe, and the probe is extend into the detection hole, to detect the test chamber
Interior fuel oil parameter, the probe is sealed with the inwall in the detection hole by sealing ring.
8. fuel filter according to claim 7, it is characterised in that the sensor includes pressure
Sensor or temperature sensor.
9. fuel filter according to claim 1, it is characterised in that also include：Positioned at the bottom
The sensor holder of plate outer surface, for setting the sensor, the sensor holder is one with the base plate
Body formed structure.
10. fuel filter according to claim 1, it is characterised in that the quantity of the filter core is
Two or more, the cleaning chamber inside each described filter core is at least through the opening on an end plate
Connected with the test chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024434.6A CN106930878B (en) | 2015-12-30 | 2015-12-30 | Fuel filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024434.6A CN106930878B (en) | 2015-12-30 | 2015-12-30 | Fuel filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106930878A true CN106930878A (en) | 2017-07-07 |
| CN106930878B CN106930878B (en) | 2024-06-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511024434.6A Active CN106930878B (en) | 2015-12-30 | 2015-12-30 | Fuel filter |
Country Status (1)
| Country | Link |
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| CN (1) | CN106930878B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116608067A (en) * | 2023-07-19 | 2023-08-18 | 江苏普瑞亚动力科技有限公司 | Diesel engine capable of improving atomization effect |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1705817A (en) * | 2002-12-03 | 2005-12-07 | Ufi过滤股份公司 | Fuel filter for diesel engines with high pressure direct injection of common rail type and the like |
| CN201092916Y (en) * | 2007-10-18 | 2008-07-30 | 沈颂凯 | Electric pre-heating filter |
| CN101324212A (en) * | 2007-06-15 | 2008-12-17 | Ti汽车（诺伊斯）有限责任公司 | Fuel pump with electronically commuted motor |
| US20150021246A1 (en) * | 2012-03-16 | 2015-01-22 | Mann+Hummel Gmbh | Fuel Filter of an Internal Combustion Engine and Heating Sensor Module of a Fuel Filter |
| GB201517890D0 (en) * | 2015-10-09 | 2015-11-25 | Jaguar Land Rover Ltd | Fuel filter apparatus and method |
| CN205445852U (en) * | 2015-12-30 | 2016-08-10 | 上海欧菲滤清器有限公司 | Fuel filter |
-
2015
- 2015-12-30 CN CN201511024434.6A patent/CN106930878B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1705817A (en) * | 2002-12-03 | 2005-12-07 | Ufi过滤股份公司 | Fuel filter for diesel engines with high pressure direct injection of common rail type and the like |
| CN101324212A (en) * | 2007-06-15 | 2008-12-17 | Ti汽车（诺伊斯）有限责任公司 | Fuel pump with electronically commuted motor |
| CN201092916Y (en) * | 2007-10-18 | 2008-07-30 | 沈颂凯 | Electric pre-heating filter |
| US20150021246A1 (en) * | 2012-03-16 | 2015-01-22 | Mann+Hummel Gmbh | Fuel Filter of an Internal Combustion Engine and Heating Sensor Module of a Fuel Filter |
| GB201517890D0 (en) * | 2015-10-09 | 2015-11-25 | Jaguar Land Rover Ltd | Fuel filter apparatus and method |
| CN205445852U (en) * | 2015-12-30 | 2016-08-10 | 上海欧菲滤清器有限公司 | Fuel filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116608067A (en) * | 2023-07-19 | 2023-08-18 | 江苏普瑞亚动力科技有限公司 | Diesel engine capable of improving atomization effect |
| CN116608067B (en) * | 2023-07-19 | 2023-09-29 | 江苏普瑞亚动力科技有限公司 | Diesel engine capable of improving atomization effect |
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| CN106930878B (en) | 2024-06-28 |
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