CN104948362B - Fuel supply system - Google Patents
Fuel supply system Download PDFInfo
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- CN104948362B CN104948362B CN201510131308.4A CN201510131308A CN104948362B CN 104948362 B CN104948362 B CN 104948362B CN 201510131308 A CN201510131308 A CN 201510131308A CN 104948362 B CN104948362 B CN 104948362B
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- fuel
- supply system
- petrolift
- filter
- fuel filter
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Abstract
Problem of the invention be to provide it is a kind of do not use pressure sensor of high price etc. also can cheaply and the blocking that simply detects fuel filter fuel supply system.It includes petrolift (12)；Fuel filter (11)；By the bubble discharge of infiltration petrolift (12) except stomata (22)；With one end with link except stomata 22, the other end configures in the fuel quantity change procedure in fuel tank at least vapor vent (14) of the position as gas phase for the moment, fuel filter (11) is in hollow form, its inside connects with the suction inlet (17) of petrolift (12), with the rising of the pressure loss, can be than the second form of the first form (A1) contraction from the first form (A1) elastic deformation of original state, and, when in the second form, gas phase is sucked from vapor vent (14) by petrolift (12), can elastic recovery be the first form (A1), changed using the form of fuel filter (11), fuel pressure is set to produce pulsation.
Description
Technical field
The present invention relates to a kind of fuel supply system for for example being used on vehicles such as two-wheeled (motorcycles).
Background technology
In the past, it is proposed that a kind of discharge rate based on engine revolution and fuel booster carries out the clogging life-span
The fuel supply system (with reference to patent document 1) of judgement.Fuel supply system disclosed in patent document 1 is in engine revolution
In the case of below 1st engine revolution, the judgement in clogging life-span is not carried out.On the other hand, in engine revolution than the 1st
In the case that engine revolution is big, the discharge rate based on engine revolution and fuel booster calculates clogging judging service life
Threshold value carries out the judgement in clogging life-span.
But, in the fuel supply system disclosed in patent document 1, the pressure of the discharge rate with detection fuel booster
Force snesor.Accordingly, it would be desirable to add the complicated control system of the pressure sensor comprising high price, examined in terms of cost
Consider, it is possible to there is unfavorable factor.
Patent document 1：Japanese Unexamined Patent Publication 2010-106682 publications
The content of the invention
The present invention in view of above-mentioned thing and research and develop, its object is to provide a kind of fuel supply system, do not use high price
Pressure sensor etc. also cheaply and can simply detect the blocking of fuel filter.
Used as the solution of above-mentioned problem, the fuel supply system 10 of first aspect present invention includes：Installed in fuel
Petrolift 12 in case 1；Installed in the fuel filter 11 of the suction inlet 17 of above-mentioned petrolift 12；Have with above-mentioned petrolift 12
The upstream open of some pumping section 16, the bubble discharge that will be penetrated into from above-mentioned suction inlet 17 except stomata 22, above-mentioned fuel supply dress
Put 10 to be characterised by, possess vapor vent 14, one end of above-mentioned vapor vent 14 with above-mentioned except stomata 22 links, it is another
End configuration is at least position as gas phase, above-mentioned fuel mistake for the moment in the fuel quantity change procedure of above-mentioned fuel tank 1
Filter 11 is in hollow form, and the inside of the fuel filter connects with the above-mentioned suction inlet 17 of above-mentioned petrolift 12, as pressure is damaged
The rising of mistake, can be than the second form of above-mentioned first form A1 contractions from the first form A1 elastic deformations of original state
A2, also, when in above-mentioned second form A2, above-mentioned gas is sucked from above-mentioned vapor vent 14 by above-mentioned petrolift 12
Phase, can elastic recovery be above-mentioned first form A1, using above-mentioned fuel filter 11 form change, produce fuel pressure
Pulsation.
The fuel supply system of second aspect present invention, it is characterised in that the upper-end part of driving of above-mentioned vapor vent 14 in
Than the position by the top of above-mentioned fuel filter 11.
The fuel supply system of third aspect present invention, it is characterised in that the revolution detection with detection engine revolution
Device 32, when the variation of the above-mentioned engine revolution of the pulsation based on above-mentioned fuel pressure within specified time limit occurs to exceed regulation time
In the case of number, give a warning.
The fuel supply system of fourth aspect present invention, it is characterised in that the air throttle with detection throttle opening is opened
Degree sensor 33, when above-mentioned engine revolution is synchronous with above-mentioned throttle opening, even if above-mentioned engine revolution changes also not
The pulsation based on above-mentioned fuel pressure is determined to be, when above-mentioned engine revolution is asynchronous with above-mentioned throttle opening,
The variation of above-mentioned engine revolution can be determined to be the pulsation based on above-mentioned fuel pressure in specified time limit.
Fuel supply system according to a first aspect of the present invention, in the case of being attached with dust on fuel filter, combustion
Expect that the pressure loss of filter rises, negative pressure is turned into fuel filter, then first form of the fuel filter from original state
Elastic deformation is the second form shunk than the first form.When fuel filter is in negative pressure state, vapor vent is located at
When in gas phase, the inside of fuel filter is made by sucking air from vapor vent turns into substantially atmospheric pressure, by what is accumulated
Elastic recovering force makes fuel filter be restored to the first form.Thus, the dust rupture of filter surfaces, fuel filter are attached to
Then fuel pressure is replied for the pressure loss reduction of device.It is repeated because the form of such fuel filter changes, makes fuel
Pressure produces pulsation, and prompting fuel filter can be urged to be in need to change period.So as to not use the pressure sensor of high price
Deng also cheaply and the blocking of fuel filter can be simply detected.
Fuel supply system according to a second aspect of the present invention, because the upper-end part of driving of vapor vent is in than fuel filter
Device position by the top, it is possible to producing the form of fuel filter to change before gasoline is lacked, urges and reminds fuel filter
Device is in and need to change period.
Fuel supply system according to a third aspect of the present invention, with the pulsation of fuel pressure, starts within specified time limit
In the case that the variation of machine revolution occurs to exceed stipulated number, judge that fuel filter there occurs and block and give a warning, by
This can report clearly and as early as possible fuel filter be in need to change period.
Fuel supply system according to a fourth aspect of the present invention, is removing the change of the engine revolution based on throttle operation
On the basis of dynamic, in the case of engine revolution and throttle opening are nonsynchronous, by judging in specified time limit intrinsic motivation
The variation of revolution whether occur exceed stipulated number, can more correctly detect fuel filter be in need to change period.
Brief description of the drawings
Fig. 1 is the side view of the fuel tank of the fuel supply system in embodiments of the present invention.
Fig. 2 is the side view of the fuel pump components in above-mentioned fuel tank.
Fig. 3 (a) is the side view of the original state of the fuel filter of above-mentioned fuel pump components, and Fig. 3 (b) is above-mentioned fuel
The side view during contraction of the fuel filter of pump group part, when Fig. 3 (c) is the recovery of the fuel filter of above-mentioned fuel pump components
Side view.
Fig. 4 is to represent the side view from the air inversion except stomata in above-mentioned fuel pump components.
Fig. 5 is the frame assumption diagram of the main portions of above-mentioned fuel supply system.
Fig. 6 is to represent fuel pressure, air-fuel ratio, engine revolution (rotating speed), the Yi Jijie in above-mentioned fuel supply system
The timing diagram of the relation between valve opening.
Fig. 7 is the flow chart of the control action for illustrating above-mentioned fuel supply system.
Drawing reference numeral explanation：
1 fuel tank
10 fuel supply systems
11 fuel filters
12 petrolifts
14 vapor vents
16 pumping section
17 suction inlets
22 remove stomata
32 revolution detectors
33 engine load sensors
The forms of A1 first
The forms of A2 second
Specific embodiment
Hereinafter, an embodiment of the invention is illustrated referring to the drawings.
As shown in figure 1, the fuel supply system 10 of present embodiment possesses the fuel pump components M of so-called top loaded type.Combustion
Material pump group part M is being installed in the upper wall of fuel tank 1 from the insertion of opening 3 fuel tank 1 formed at the upper wall 2 of fuel tank 1
2 and in the state of hanging, be impregnated in the fuel being stored in fuel tank 1.In fuel tank 1, it is set with and is fired without residue
The 1st position L1 and fuel filter described later of material (lacking gasoline (ガ ス are owed), fuel gauge E points) and liquid level position (level)
The detection starting position L2 of 11 blocking.
As shown in Fig. 2 fuel pump components M possesses petrolift 12, retainer portion 13, vapor vent 14 and fuel filter
11。
Petrolift 12 is formed as generally cylindrical shaped with what the upper wall 2 of fuel tank 1 intersected, with configuration in the electronic of upside
The pumping section 16 of machine portion 15 and configuration in downside.Figure center line CL represents the central axis of petrolift 12.
For motor part 15, brush DC motors for example (not shown) are used.The output of the brush DC motors
Axle is by configuring the bearing (not shown) etc. in the downside of the upside of motor part 15 and pumping section 16 in the way of it can rotate freely
Supporting.
Pumping section 16 is the pump of the non-displacement type with impeller (not shown) (impeller), will have brush with motor part 15
The impeller that the output shaft of dc motor is combined in the way of it can not mutually rotate is housed in pump chamber (not shown).In pumping section 16
Bottom be formed with suction inlet 17.Pumping section 16 is using negative as produced by the impeller rotated by the driving of motor part 15
Pressure, fuel is sent from the upward side pressure of suction inlet 17.
Retainer portion 13 possesses the upper shell 18 for covering from above petrolift 12 and the lower casing for covering petrolift 12 from below
Body 19.Upper shell 18 can be divided into two with lower house 19 along axis CL directions, and also can integratedly assemble.Upper shell 18
With lower house 19 internally to house motor part 15 and pumping section 16 in the way of assemble.
Upper shell 18 is provided with the support lugn (pivot flange) 20 of the upper wall 2 for being supported on fuel tank 1.In upper shell
18, the fuel discharge outlet 21 that formation is configured at the outside of fuel tank 1 and is connected with pumping section 16 on support lugn 20.Combustion
The fuel feed system (not shown) that material outlet 21 has with engine 4 (reference picture 5) is connected.
The bottom of lower house 19 be formed with the insertion bottom in a thickness direction except stomata 22.Except stomata 22 is in pumping section
16 upstream open, vapor vent 14 to pumping section 16 is passed through with the steam (bubble) that will penetrate into (immersion) from inlet hole 23
The mechanism of outside discharge.
The one end of the configuration of vapor vent 14 near except stomata 22 is connected with except stomata 22.In vapor vent
The other end positioned at the side of upper shell 18 of pipe 14 is provided with lid formula filter (hat type filter：キャップフィルター)24.
Lid formula filter 24 is configured at least is turning into the position of gas phase (air) for the moment in the fuel quantity change procedure of fuel tank 1
() than detection starting position L2 by the top.Vapor vent 14 has to be made to be circulated upward from the steam except the discharge of stomata 22, and
By lid formula filter 24 to the function of being discharged outside pump.
Now, the fuel quantity in fuel tank 1 be below detection starting position L2 in the case of, vapor vent 14 it is another
One end (upper end) is configured in the position than detection starting position L2 by the top.Therefore, vapor vent 14 will be from except stomata 22
The steam of discharge from the other end to detection starting position L2 on air layer in discharge.Arrow in the flow direction such as figure of steam now
Shown in F1.
Fuel filter 11 is in hollow form, is connected with the suction inlet 17 of petrolift 12.Fuel filter 11 is, for example,
Filter cloth 26 is loaded onto in the outside for having resilient resinous skeleton 25.As skeleton 25, such as clathrate is preferably formed into.
Reference picture 3 (a), Fig. 3 (b), Fig. 3 (c), Fig. 4, fuel filter 11 can be along with fuel when blocking
The rising of the pressure loss and from the first form A1 elastic deformations of original state be than the first form A1 shrink the second form A2,
And can be the first form A1 from the second form A2 elastic recoveries.
Such as shown in Fig. 3 (a), for the first form A1 as original state, such as Fig. 3 (b) is shown for fuel filter 11, when
When the adsorption of filter cloth 26 has dust D and blocks, along with the rising of the pressure loss of fuel, from the of original state
One form A1 elastic deformations are the second form A2 shunk than the first form A1.Then, fuel filter 11 is with above-mentioned contraction
And accumulate bounce.
As shown in figure 4, the second form A2 is in fuel filter 11, and the fuel quantity of fuel tank 1 is arranged than steam
During the situation of the other end of tracheae 14 below detection starting position L2 on the lower, petrolift 12 is due to fuel filter 11
The increase of the pressure loss and when being inverted in the flowing of vapor vent 14, detection is sucked by vapor vent 14 and is started
Gas phase (air) on the L2 of position, occurs because lacking gasoline symptom caused by aeration for the moment.In the flowing of gas phase now such as figure
Shown in arrow F2.
Furthermore, pasta (fuel quantity) in fuel tank 1 is in the other end the exceeding by the top than vapor vent 14
During the situation of the 2nd position L3 of detection starting position L2, though fuel filter 11 the pressure loss increase, due to can by steam
Fuel on the suction detection of gas blast pipe 14 starting position L2, will not occur above-mentioned scarce gasoline symptom.
As shown in Fig. 3 (c), after fuel filter 11 has sucked gas phase when in the second form A2, from the second form A2
Elastic recovery is the first form A1.Now, fuel filter 11 splits due to being formed in the dust D that the surface of filter cloth 26 blocks
The clearance Ds 1 such as seam, suck fuel and cause pressure loss reduction by clearance D 1.
But, because on the surface of filter cloth 26 it is the state for being adsorbed with dust D, therefore fuel filter 11 is repeated：
The second form A2 is punctured into quickly, and the first form A1 is restored to due to aeration.This causes to produce fuel pressure repeatedly
Pulsation, and when the above-mentioned cycle repeatedly is for below regulation, can determine that and blocked for fuel filter 11 is in need to release
State.
Fig. 5 represents the frame assumption diagram of the main portions of fuel supply system 10.
As shown in figure 5, fuel supply system 10 is the operating of the engine 4 for vehicles such as two-wheeled (motorcycles)
Device, possess control unit 31, revolution detector 32, engine load sensor 33, fuel pressure sensor 34, lambda sensor
(O2Sensor) 35, siren 36.
Revolution information is simultaneously assigned control unit 31 by the revolution of the detection engine 4 of revolution detector 32.Control unit 31 is by ginseng
Monitor whether engine revolution is synchronous with throttle opening according to modes such as collection of illustrative plates (not shown) (map).Control unit 31 is in engine
In the case of revolution is nonsynchronous with throttle opening, in the situation of the variation more than stipulated number of specified time limit intrinsic motivation revolution
Under, judgement is blocked in fuel filter 11, is generated with the fuel pressure of the form variation of fuel filter 11
Pulsation, and send the warning based on siren 36 to passenger.Herein, the warning based on siren 36 refers to be based on being arranged on instrument
The visual display lighted or flash etc. of interior emergency warning lamp, or the sound based on alarm is represented.And, above-mentioned vision shows
Show the position being easily recognized that can also be arranged on steering wheel etc., to replace being arranged in instrument.Alternatively, it is also possible to using existing
Liquid crystal fuel gauge, enter to exercise the Special display for including that more than E points sections flashes.
Engine load sensor 33 detects the throttle opening information in the control system of engine 4 and assigns control unit
31.Generally, the revolution of engine 4 is synchronous with throttle opening.But, in the situation of the blocking that there occurs fuel filter 11
Under, engine revolution is likely to occur and the nonsynchronous variation of throttle opening.Then, control unit 31 was judged in specified time limit
It is interior, whether occur to exceed stipulated number with the variation of the nonsynchronous engine revolution of throttle opening.As a result, in specified time limit
In the case that the variation of intrinsic motivation revolution occurs to exceed stipulated number, it is judged to there occurs the blocking of fuel filter 11, companion
Changed with the form of fuel filter 11 and generate pulsation, urged using siren 36 and alerted.
Fuel pressure sensor 34 is for example arranged on the discharge side of petrolift 12, detects from petrolift 12 to note (not shown)
Enter the discharge pressure (fuel pressure) of the fuel of device supply and be given to control unit 31.The fuel pressure sensor 34 of present embodiment
It can be simple break-make (ONOFF) switch.
Lambda sensor 35 is installed in muffler or catalyst, and the electric signal that will correspond to the oxygen concentration in steam discharge assigns control
Portion processed 31.Control unit 31 carries out feedback control according to the signal detection air-fuel ratio of lambda sensor 35 to fuel injection amount.
Fig. 6 is to represent fuel pressure in fuel supply system 10, air-fuel ratio, engine revolution and throttle opening
Between relation timing diagram.
As shown in fig. 6, the fuel pressure P that detects of fuel pressure sensor 34 (n between such as moment t1 and moment t2
The stipulated time of (n=2) between=stipulated time (such as 3~5 seconds) 1) and moment t3 and moment t4, less than under setting
Limit value.
Stipulated times of the air-fuel ratio A/F that signal detection according to lambda sensor 35 is arrived between moment t1 and moment t2,
And higher than setting higher limit in the stipulated time between moment t3 and moment t4.Now, in n=1, n=2 ..., as to
Oxygen amount big lean gas (lean) side attachment (touch, cling) state (lacking gasoline state), engine revolution NE is produced and air throttle
The nonsynchronous variations of aperture TH (reduction).When repeated these within the short cycle, the stifled of fuel filter 11 is can determine that
Fill in close to the limit.
For engine revolution NE, such as when the variation Δ TH of per time of throttle opening TH is less than setting (Δ TH
＜ setting values) when when generating heterogeneous revolution reduction, control unit 31 is counted to it.That is, in engine revolution and solar term
In the case of door aperture is nonsynchronous, it is controlled to judge whether the variation in specified time limit intrinsic motivation revolution occurs to exceed rule
Determine number of times.
Fig. 7 represents the flow chart illustrated to the control action of fuel supply system 10.As shown in fig. 7, control unit 31
In the usual operating of engine 4, following at least one control is carried out：Use the O of lambda sensor 352Feedback control；With use
LAF sensors (Linear Air Fuel ratio sensor：Linear air-fuel ratio sensors) LAF feedback controls.
In the O using lambda sensor 352In feedback control, when failure of fuel is not carried out (combustion being not carried out in step S101
Material interrupt (fuel cut-off is not carried out)), and in step s 102 fuel gauge be E points more than (pasta the 1st position L1 with
On, it is more than fuel gauge E points) when, in step s 103, according to VO2(air-fuel ratio) or KO2The value of (emitted dose correction coefficient)
It is judged to (the VO during attachment state of lean gas side2Or KO2Lean gas side is adhered to:VO2OR KO2STAYS LEAN SIDE), then,
In storing (counting) built-in ROM in the control unit 31 in step S104.
Then, when be judged as in step S105 the count number n of time per unit less than setting N (during n ＜ n times,
The warning based on siren 36 is not carried out in step S106.On the other hand, when being judged as time per unit in step s 107
Count number n when being more than setting N (n >=n times), the warning based on siren 36 is carried out in step S108.
In the LAF feedback controls using LAF sensors, when failure of fuel is not carried out (combustion being not carried out in step S109
Material interrupt), and in step s 110 fuel gauge be E points more than (pasta more than the 1st position L1, fuel gauge E points with
On) when, in step S111, the value according to VLAF (air-fuel ratio) or KLAF (emitted dose correction coefficient) is judged to that lean gas side is attached
(VLAF or KLAF lean gases side attachment when state：VLAF OR KLAF STAYS LEAN SIDE), then, in step S112
In the built-in ROM in the control unit 31 of middle storage (counting).
Then, when the count number n that time per unit is judged as in step S113 is less than setting N (n ＜ n times),
The warning based on siren 36 is not carried out in step S114.On the other hand, when per unit is judged as in step sl 15
Between count number n when being more than setting N (n >=n times), the warning based on siren 36 is carried out in step S116.
As described above so, in the fuel supply system 10 of above-mentioned implementation method, adhere in fuel filter 11
In the case of having dust D, when the pressure loss of fuel filter 11 rises, when turning into negative pressure in fuel filter 11, fuel mistake
Filter 11 is the second form A2 shunk than the first form A1 from the first form A1 elastic deformations of original state.Work as fuel filter
The other end of vapor vent 14 is located at when in gas phase when device 11 is in negative pressure state, then suck sky by from vapor vent 14
Gas and the inside of fuel filter 11 is turned into substantially atmospheric pressure, be restored to fuel filter 11 by the elastic recovering force accumulated
First form A1.Thus, the dust rupture adsorbed in filter surfaces, the pressure loss of fuel filter 11 is reduced and fuel
Pressure recovers.Because the form that such fuel filter 11 is repeated changes, pulsation is produced in fuel pressure, can promoted
The passengers such as cyclist is found that fuel filter 11 is in need to change period.Thus, it is possible to not use the pressure sensor of high price
Deng at a low price and simply detecting the blocking of fuel filter 11.
In addition, in fuel supply system 10, due to vapor vent 14 the other end (lid formula filter 24) positioned at than
The position by the top of fuel filter 11, it is possible to producing the form of fuel filter 11 to change before gasoline is lacked, urges
Fuel filter 11 is in and need to change period.
In addition, in fuel supply system 10, with the pulsation of fuel pressure, in the change of specified time limit intrinsic motivation revolution
It is dynamic to occur to block and give a warning more than generation in the case of stipulated number, being judged to fuel filter 11 such that it is able to bright
Really and as soon as possible reporting fuel filter 11 be in need to change period.
In addition, in fuel supply system 10, on the basis of the variation for removing the engine revolution based on throttle operation
On, whether the variation by the pulsation based on fuel pressure to judge specified time limit intrinsic motivation revolution occurs to exceed regulation time
Number such that it is able to more correctly detect fuel filter 11 be in need to change period.
Furthermore, the present invention is not limited to above-mentioned implementation method, can carry out suitably deformation or improvement etc..For example, petrolift,
Retainer portion, the shape of fuel filter are an example, are not limited to example illustrated.
Claims (3)
1. a kind of fuel supply system (10), the fuel supply system includes：
Petrolift (12) in fuel tank (1)；
Installed in the fuel filter (11) of the suction inlet (17) of the petrolift (12)；With
The upstream open of the pumping section (16) having in the petrolift (12), the bubble discharge that will be penetrated into from the suction inlet (17)
Except stomata (22),
The fuel supply system (10) is characterised by：
Possesses vapor vent (14), with described except stomata (22) links, the other end is matched somebody with somebody for one end of the vapor vent (14)
The position at least turning into gas phase for the moment in the fuel quantity change procedure in the fuel tank (1) is put,
The fuel filter (11) in hollow form, the suction of the inside of the fuel filter and the petrolift (12)
Mouthful (17) connection, can be than described the from the first form (A1) elastic deformation of original state with the rising of the pressure loss
The second form (A2) that one form (A1) is shunk, also, when in the second form (A2), by the petrolift (12)
Suck the gas phase from the vapor vent (14), can elastic recovery be first form (A1),
Changed using the form of the fuel filter (11), fuel pressure is produced pulsation,
The fuel supply system also has the revolution detector (32) of detection engine revolution,
When the variation of the engine revolution of the pulsation based on the fuel pressure within specified time limit occurs to exceed regulation time
In the case of number, give a warning.
2. fuel supply system according to claim 1, it is characterised in that：
The upper-end part of driving of the vapor vent (14) is in the position than the fuel filter (11) by the top.
3. fuel supply system according to claim 1, it is characterised in that：
Engine load sensor (33) with detection throttle opening,
When the engine revolution is synchronous with the throttle opening, even if the engine revolution changes also being not decided as
It is the pulsation based on the fuel pressure, when the engine revolution is asynchronous with the throttle opening, in specified time limit
The variation of the interior engine revolution can be determined to be the pulsation based on the fuel pressure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014064189A JP6001585B2 (en) | 2014-03-26 | 2014-03-26 | Fuel supply device |
| JP2014-064189 | 2014-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104948362A CN104948362A (en) | 2015-09-30 |
| CN104948362B true CN104948362B (en) | 2017-07-04 |
Family
ID=54163326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510131308.4A Active CN104948362B (en) | 2014-03-26 | 2015-03-24 | Fuel supply system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6001585B2 (en) |
| CN (1) | CN104948362B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0655269A2 (en) * | 1993-11-24 | 1995-05-31 | Robert Bosch Gmbh | Liquid filter for fuels |
| DE102006060127A1 (en) * | 2006-12-20 | 2008-06-26 | Mahle International Gmbh | Fuel filter |
| JP2010106682A (en) * | 2008-10-28 | 2010-05-13 | Isuzu Motors Ltd | Method for determining clogging life of fuel filter of internal combustion engine and internal combustion engine using the same |
| CN102900577A (en) * | 2011-07-27 | 2013-01-30 | 三菱电机株式会社 | Vehicle fuel supply system |
| JP2013194711A (en) * | 2012-03-22 | 2013-09-30 | Keihin Corp | Fuel supply system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH077575Y2 (en) * | 1987-04-07 | 1995-02-22 | 日産自動車株式会社 | Fuel tank filter device |
| JPH0723569Y2 (en) * | 1987-08-06 | 1995-05-31 | 日産自動車株式会社 | Fuel tank filter |
-
2014
- 2014-03-26 JP JP2014064189A patent/JP6001585B2/en active Active
-
2015
- 2015-03-24 CN CN201510131308.4A patent/CN104948362B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0655269A2 (en) * | 1993-11-24 | 1995-05-31 | Robert Bosch Gmbh | Liquid filter for fuels |
| DE102006060127A1 (en) * | 2006-12-20 | 2008-06-26 | Mahle International Gmbh | Fuel filter |
| JP2010106682A (en) * | 2008-10-28 | 2010-05-13 | Isuzu Motors Ltd | Method for determining clogging life of fuel filter of internal combustion engine and internal combustion engine using the same |
| CN102900577A (en) * | 2011-07-27 | 2013-01-30 | 三菱电机株式会社 | Vehicle fuel supply system |
| JP2013194711A (en) * | 2012-03-22 | 2013-09-30 | Keihin Corp | Fuel supply system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015183681A (en) | 2015-10-22 |
| CN104948362A (en) | 2015-09-30 |
| JP6001585B2 (en) | 2016-10-05 |
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