CN101289107A - Fuel supply device for auto two-wheel vehicle - Google Patents
Fuel supply device for auto two-wheel vehicle Download PDFInfo
- Publication number
- CN101289107A CN101289107A CNA2008100915950A CN200810091595A CN101289107A CN 101289107 A CN101289107 A CN 101289107A CN A2008100915950 A CNA2008100915950 A CN A2008100915950A CN 200810091595 A CN200810091595 A CN 200810091595A CN 101289107 A CN101289107 A CN 101289107A
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- Prior art keywords
- fuel
- petrolift
- fuel tank
- mentioned
- filter
- Prior art date
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- 239000000446 fuel Substances 0.000 title claims abstract description 203
- 239000002828 fuel tank Substances 0.000 claims abstract description 112
- 239000007921 spray Substances 0.000 claims description 2
- 230000006698 induction Effects 0.000 description 15
- 238000007789 sealing Methods 0.000 description 14
- 238000010276 construction Methods 0.000 description 7
- 230000001419 dependent effect Effects 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000037361 pathway Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J35/00—Fuel tanks specially adapted for motorcycles or engine-assisted cycles; Arrangements thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J37/00—Arrangements of fuel supply lines, taps, or the like, on motor cycles or engine-assisted cycles
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- 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
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
- F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
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- 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
- F02M37/50—Filters arranged in or on fuel tanks
Abstract
A fuel supply device for an automatic two-wheel vehicle is disclosed, a fuel tank (20) is loaded on a main pipe (6a) (frame) extending in front and rear directions of the vehicle; and a fuel pump (26) is provided within the fuel tank (22), the fuel pump (26) forms a tunnel-shape concave part (22a) inserting through the main pipe (6a) on a central portion of a lower tank (22) (a bottom wall portion) of the fuel tank (20) in the width direction of the vehicle, and forms the fuel pump (26) supplying the fuel to the engine; wherein the fuel pump (26) is provided at the bottom central portion (22b) so that an axial line L of the fuel pump (26) faces toward the front and rear directions of the vehicle; and a fuel filter (27) is provided on a bottom side portion (22c) having order difference.
Description
The application is that international filing date is February 17, international application no in 2004 the dividing an application for the application for a patent for invention of " fuel supply system of automatic two-wheeled cycle " that be PCT/JP2004/001747 (national applications number be 200480001273.2), denomination of invention.
Technical field
The present invention relates in a kind of saddle type Fuel Tank on being loaded into the automatic two-wheeled cycle vehicle frame fuel supply system that petrolift forms is set.
Background technology
On the automatic two-wheeled cycle in recent years, comprising by fuel injection valve of having will be sprayed the fuel supply system that is supplied to driving engine by the fuel after the petrolift pressurization.In this case, though can consider petrolift is arranged on the Fuel Tank outside, but, in case be provided with like this, must guarantee to be attached to the regulating control air-tightness on every side on the petrolift, and be provided for making the pipe arrangement that returns Fuel Tank from the fuel under high pressure of this regulating control, therefore be difficult to guarantee above-mentioned configuration space.Thereby, petrolift was configured in (with reference to TOHKEMY 2002-293281 communique) in the Fuel Tank in the past always.
Above-mentioned when petrolift is configured in structure in the Fuel Tank when adopting, according to the configuration position situation of this petrolift, it is big that Fuel Tank height and Fuel Tank width become, thereby cause the Fuel Tank maximization.For example, as described in above-mentioned communique, when adopting the structure that petrolift is erected on the diapire central portion that is arranged on saddle type Fuel Tank, may cause the Fuel Tank height to become big.
Summary of the invention
The present invention promptly In view of the foregoing makes, and its objective is provides a kind of fuel supply system that can prevent the automatic two-wheeled cycle that petrolift maximizes when being configured in petrolift in the Fuel Tank.
The fuel supply system of the automatic two-wheeled cycle in the scheme 1, on the vehicle frame that extends along the vehicle fore-and-aft direction, load Fuel Tank, and in described Fuel Tank, petrolift is set, this petrolift forms the tunnel-like recess of inserting logical described vehicle frame on the overall width direction central portion of this Fuel Tank bottom wall portion, and to the driving engine fueling, it is characterized in that: described petrolift is arranged on the described bottom wall portion, and the axis that makes this petrolift is towards the vehicle fore-and-aft direction.
The invention of scheme 2, on the basis of scheme 1, it is characterized in that: described petrolift is arranged on the end central portion of the described recess that forms described Fuel Tank bottom wall portion, the described recess side that the fuel filter that will have a sucking hole is arranged on described bottom wall portion has on the bottom side of jump, connects the sucking hole of this fuel filter and the attraction mouth of described petrolift by fuel distribution tube.
The invention of scheme 3 on the basis of scheme 2, is characterized in that: described fuel distribution tube is arranged on the outside of described Fuel Tank.
The invention of scheme 4 on the basis of scheme 2, is characterized in that: described fuel distribution tube is arranged in the described Fuel Tank.
The invention of scheme 5, on the basis of scheme 4, it is characterized in that: described fuel distribution tube constitutes by having flexible material, this fuel distribution tube is drawn out to the Fuel Tank outside in the Fuel Tank and is connected on the described fuel filter, from Fuel Tank foreign side fuel filter is installed on the described bottom wall portion in this state.
The invention of scheme 6 on the basis of scheme 4, is characterized in that: described fuel distribution tube supports described fuel filter by constituting by the material with rigidity that described petrolift supported by described fuel distribution tube suspention.
The fuel supply system of the automatic two-wheeled cycle of scheme 7 is identical with scheme 1, on the vehicle frame that extends along the vehicle fore-and-aft direction, load Fuel Tank, and in described Fuel Tank, petrolift is set, this petrolift forms the tunnel-like recess of inserting logical described vehicle frame on the overall width direction central portion of this Fuel Tank bottom wall portion, and to the driving engine fueling, it is characterized in that: described petrolift is arranged on the described bottom wall portion with jump of described recess side of described bottom wall portion, the axis that makes this petrolift is towards the vehicle fore-and-aft direction.
The invention of scheme 8 on the basis of scheme 7, is characterized in that: the fuel filter one is connected on the attraction mouth of described petrolift.
The invention of scheme 9 on each the basis, is characterized in that in scheme 2～6,8: the sucking hole at described fuel filter partly is provided with level sensor, when input shows the warning of fuel surplus during from the detected value of this level sensor and constitutes.
The invention of scheme 10 on the basis of scheme 9, is characterized in that: independently be provided with the fuel-storage cell that is used to store small amount of fuel in the sucking hole of described fuel filter part, and described level sensor be set in that this bunkering is indoor.
The fuel supply system of the automatic two-wheeled cycle of scheme 11, support Fuel Tank by the vehicle frame that extends along the vehicle fore-and-aft direction, and in described Fuel Tank, be provided for petrolift to the driving engine fueling, it is characterized in that: form the end central portion be positioned at overall width direction central authorities on the bottom wall portion of described Fuel Tank and be positioned at this central portion the overall width direction the side and be in above-below direction below bottom side, on this bottom side, form opening, and can freely stop up described opening by plate with loading and unloading, its axis roughly is arranged on described petrolift on the Fuel Tank medial surface of this plate along the vertical direction.
The invention of scheme 12, on the basis of scheme 11, it is characterized in that: described plate and described bottom side between clamping sealing element and can be installed on the case lateral surface of this bottom side by installing component with freely loading and unloading, when the vehicle fore-and-aft direction is seen, be positioned at the outermost installing component of overall width direction and have at least a part to be arranged on the position that roughly overlaps with the overall width direction outermost part of described sealing element.
The invention of scheme 13 on the basis of scheme 12, is characterized in that: when the vehicle fore-and-aft direction is seen, be positioned at outermost all installing components of described overall width direction and be arranged on the position that roughly overlaps with the overall width direction outermost part of described sealing element.
Description of drawings
Fig. 1 is the lateral plan of automatic two-wheeled cycle that possesses the fuel supply system of first embodiment of the invention;
Fig. 2 is the lateral plan of the Fuel Tank of above-mentioned fuel supply system;
Fig. 3 is the cutaway view of above-mentioned Fuel Tank;
Fig. 4 is arranged on the general profile chart of the petrolift in the above-mentioned Fuel Tank;
Fig. 5 is the skeleton diagram of the fuel filter of above-mentioned petrolift;
Fig. 6 is the skeleton diagram of fuel filter of fuel-storage cell that possesses an embodiment of scheme 10;
Fig. 7 is the skeleton diagram of fuel filter that possesses the fuel-storage cell of another embodiment outside the above-mentioned embodiment;
Fig. 8 is the cutaway view of Fuel Tank of the 1st variation of above-mentioned first embodiment;
Fig. 9 is the cutaway view of Fuel Tank of the 2nd variation of above-mentioned first embodiment;
Figure 10 is the cutaway view of above-mentioned Fuel Tank;
Figure 11 is the cutaway view of Fuel Tank of the 3rd variation of above-mentioned first embodiment;
Figure 12 is the lateral plan of Fuel Tank of the 2nd embodiment of scheme 4,5;
Figure 13 is the cutaway view of above-mentioned Fuel Tank;
Figure 14 is arranged on the general profile chart of the petrolift unit in the above-mentioned Fuel Tank;
Figure 15 is the general profile chart of petrolift unit of the 3rd embodiment of scheme 6;
Figure 16 is the lateral plan of Fuel Tank of the 4th embodiment of scheme 7,8;
Figure 17 is the cutaway view of above-mentioned Fuel Tank;
Figure 18 is arranged on the general profile chart of the petrolift unit in the above-mentioned Fuel Tank;
Figure 19 is the cutaway view of Fuel Tank of petrolift unit that possesses the 5th embodiment of scheme 11～13;
Figure 20 is the birds-eye view of above-mentioned petrolift unit;
Figure 21 is the lateral plan of above-mentioned petrolift unit;
Figure 22 is the upward view of above-mentioned petrolift unit;
Figure 23 is the birds-eye view of the variation of the above-mentioned petrolift of expression unit;
Figure 24 is the lateral plan of the variation of the above-mentioned petrolift of expression unit.
The specific embodiment
Hereinafter introduce embodiments of the present invention in conjunction with the accompanying drawings.
Fig. 1～Fig. 5 is the figure of fuel supply system that is used to illustrate the automatic two-wheeled cycle of an embodiment of the present invention (the 1st embodiment); Fig. 1 is the lateral plan of automatic two-wheeled cycle that is provided with the fuel supply system of present embodiment, and Fig. 2, Fig. 3 are respectively the lateral plan and the cutaway views of Fuel Tank, and Fig. 4 is the general profile chart of petrolift, and Fig. 5 is the skeleton diagram of fuel filter.
In above-mentioned accompanying drawing, 1 expression automatic two-wheeled cycle, its vehicle frame 2 comprises and is mounted with driving engine 3 and supports front fork 4 and the main car frame 6 of postbrachium 5, the seat slide 8 that is mounted with seat 7 and seat stay 9.
Above-mentioned front fork 4 is by head pipe 10 pivot suspensions that are fixed on above-mentioned main car frame 6 front ends, at the lower end of this front fork 4 axle supporting front-wheel 11, and in the upper end fixing steering tiller 12.And, can swing up and down the above-mentioned postbrachium 5 of ground pivot suspension by the rear end of above-mentioned main car frame 6, and at the rear end of this postbrachium 5 axle supporting wheels 13.
Above-mentioned main car frame 6 comprises that 1 of managing from the beginning that 10 upper ends extend after tiltedly to vehicle downwards is responsible for 6a, from the beginning manages the corner plate 14 that 1 down pipe 6b and the one of showing greatly to the vehicle back lower place that linearity extends in 10 bottoms engage above-mentioned head pipe 10, are responsible for 6a and down pipe 6b.Above-mentioned person in charge 6a has and from the beginning manages 10 case rail portion 6c that extend with linearity and the postbrachium bracket part 6d that is bent downwardly extension from this case rail portion 6c rear end, and above-mentioned postbrachium 5 pivot suspensions are on this postbrachium bracket part 6d.
Support above-mentioned driving engine 3 by above-mentioned person in charge 6a and down pipe 6b suspention, make bent axle 3a towards vehicle-width direction.And respectively dontake pipe 15 is connected on the antetheca of cylinder cover 3b of driving engine 3, induction mnifold 16 is connected on the rear wall of cylinder cover 3b of driving engine 3.
Above-mentioned Fuel Tank 20 is engaged with each other the periphery that slightly is the nowel 22 of bowl-shape top box 21 and plate-like and forms fuel inlet 21a on above-mentioned top box 21 by welding, can stop up this fuel inlet 21a by fuel cap 23 with opening and closing.
Cave in upward on the vehicle-width direction central portion of above-mentioned nowel 22 and form recess 22a, the case rail portion 6c of above-mentioned person in charge 6a inserts and leads in this recess 22a.Nowel 22 forms following shape from this recess 22a: have the end central portion 22b that constitutes the wide cut flat surfaces and have bottom side 22c, the 22c of jump in the side to the left and right from end central portion 22b.And when the vehicle side was seen, above-mentioned end central portion 22b gently tilted with linearity and with respect to case rail portion 6c to the oblique back lower place of vehicle.Between end central portion 22b and above-mentioned case rail portion 6c, be provided with thus, and on this part, dispose vehicle-mounted part (not shown) than large-spacing.And above-mentioned left and right sides bottom side 22c roughly has identical height.
The fuel supply system of present embodiment comprises: fuel injection valve 25, be installed near the air suctiton inlet of above-mentioned induction mnifold 16, and in this induction mnifold 16, spray fueling; Petrolift unit 26 is used for supplying with fuel under high pressure in this fuel injection valve 25; Fuel filter 27 is used to filter the fuel that is attracted to the Fuel Tank 20 in the petrolift unit 26; And not shown controller, according to fuel injection amount and the injecting time of the operative condition of driving engine 3 control from fuel injection valve 25.In detail, form following structure.
Above-mentioned petrolift unit 26 is accommodated and is arranged in the Fuel Tank 20, as shown in Figure 4, forms substantially and shell 31 one is fixed on the mounting flange 30 and driving motor 32 is built in structure in this shell 31.
On above-mentioned shell 31, form pump chamber 31a, the rotor of being fixed on the S. A. 32a of driving motor 32 33 is set in this pump chamber 31a.Side at pump chamber 31a forms attraction path 31b continuously respectively, forms ejection path 31c continuously at opposite side.
The upstream extremity of this attraction path 31b is communicated with the suction tube 34 in the case outside that is connected above-mentioned mounting flange 30.Be connected with fuel distribution tube 40 on this suction tube 34, this fuel distribution tube 40 links to each other with above-mentioned fuel filter 27.
The downstream end of above-mentioned ejection path 31c is communicated with the bleed pipe 35 in the case outside that is connected mounting flange 30.Be connected with ejection flexible pipe 36 on bleed pipe 35, this ejection flexible pipe 36 links to each other with above-mentioned fuel injection valve 25.And be provided for fuel is adjusted into the pressure regulator 37 of authorized pressure in the centre of above-mentioned ejection path 31c, and on this pressure regulator 37, be formed for making residual fuel to turn back to return path 31d in the Fuel Tank 20 continuously via boiler check valve 38.
Above-mentioned fuel filter 27 is connected filter body 27a on the mounting flange 41, and connects the induction pipe 42 that is communicated with filter body 27a in the case outside of mounting flange 41, and above-mentioned fuel distribution tube 40 is connected on the induction pipe 42.
And, near the induction pipe 42 of above-mentioned filter body 27a, be provided as the thermally dependent resistor 43 of level sensor.This thermally dependent resistor 43 is immersed in the fuel usually, in case level of fuel descends thermally dependent resistor 43 is exposed, and then detects temperature traverse, and to above-mentioned controller output fuel surplus warning signal.Controller carries out the residual warning of fuel according to the input of warning signal and shows.For example light the fuel warning light, or warning buzzer is rung.
Above-mentioned petrolift unit 26 is arranged on the rearward end of the end central portion 22b in the Fuel Tank 20, makes its axis L, promptly lay across along end central portion 22b towards the vehicle fore-and-aft direction.Above-mentioned fuel filter 27 erects on the fore-and-aft direction central portion that is arranged on bottom side 22c.
Part relative with the petrolift unit 26 of above-mentioned end central portion 22b forms the construction opening 22e less than mounting flange 30 profiles.Above-mentioned petrolift unit 26 is inserted into shell 31 in the construction opening 22e from the Fuel Tank below, and make mounting flange 30 and above-mentioned opening 22e outer side edges portion butt by not shown sealing element, can petrolift unit 26 releasably be fastened on the end central portion 22b by a plurality of bolts 45 in this state.
Part relative with the fuel filter 27 of above-mentioned bottom side 22c forms the construction opening 22f less than mounting flange 41 profiles.Above-mentioned fuel filter 27 is inserted into filter body 27a in the construction opening 22f from the Fuel Tank below, and make mounting flange 41 and above-mentioned opening 22f outer side edges portion butt by not shown sealing element, can fuel filter 27 releasably be fastened on the bottom side 22c by a plurality of bolts 46 in this state.Roughly fuel distribution tube 40 is arranged on the outside, below of nowel 22, and outside case, is connected on above-mentioned induction pipe 42 and the bleed pipe 34 along recess 22a.
Hereinafter the action effect to present embodiment describes.
Fuel supply system according to present embodiment, owing to being laid across, petrolift unit 26 is configured on the Fuel Tank 20 interior end central portion 22b, make its axis L towards the vehicle fore-and-aft direction, and fuel filter 27 is arranged on end central portion 22b has on the bottom side 22c of jump, so can effectively utilize the space in the Fuel Tank 20 to dispose petrolift unit 26 and fuel filter 27, and can not make Fuel Tank height and Fuel Tank width become big, thereby can prevent that Fuel Tank 20 from maximizing.
And, owing to above-mentioned petrolift unit 26 is arranged on the end central portion 22b of the flat surfaces that forms broad,, can prevent that thus Fuel Tank 20 from maximizing so be easy to guarantee configuration space and face of joint is installed.
Because above-mentioned fuel filter 27 is arranged on the bottom side 22c, the dead amount of the fuel that can't attract so can eliminate when petrolift unit 26 being arranged on eminence in the case, thus can use fuel not lavishly.And fuel filter 27 can be pulled down from Fuel Tank 20, and Fuel Tank 20 need not be pulled down from vehicle frame, thereby be convenient to carry out the maintenance operations such as replacing of filter core.
In the present embodiment, because fuel distribution tube 40 is arranged on the outer side-lower of Fuel Tank 20, thus can carry out the connection operation of fuel distribution tube 40 from the case outside, thus operability improved.
Owing to make the induction pipe 42 of above-mentioned fuel filter 27 be positioned at the case outside, so can under the state that connects fuel distribution tube 40, dismantle fuel filter 27, and can easily keep in repair with filter and change, and can suck all fuel, thus fuel used lavishly not.
In the present embodiment, owing near the induction pipe 42 of above-mentioned fuel filter 27, thermally dependent resistor 43 is set, and carry out the warning of fuel surplus in input during from the detected value of thermally dependent resistor 43 and show, so can use fuel to greatest extent, and can before soon can't travelling, inform the jockey.
Fig. 6, Fig. 7 are the figure of configuration structure example of level sensor of an embodiment of representation scheme 10, and in the drawings, the label identical with Fig. 5 represented identical or cooresponding with it part.
Being exemplified as among Fig. 6: be independent of Fuel Tank 20 ground capacity is set is fuel-storage cell 50 about 50～100cc in the case of mounting flange 41 outside, connect induction pipe 42 in the bottom of fuel-storage cell 50, and on lower surface, thermally dependent resistor 43 is set as the mounting flange 41 of ceiling portion.When the liquid level of the fuel in being stored in fuel-storage cell 50 usually descended, then thermally dependent resistor 43 exposed and detects temperature traverse, and output fuel surplus warning signal.
Fig. 7 is exemplified as: as mentioned above, form fuel-storage cell 50 independently continuously in the outside of mounting flange 41, and floating switch 51 is arranged in the fuel-storage cell 50.When the liquid level of the fuel in the fuel-storage cell 50 descends, then floating switch 51 actions, output fuel surplus warning signal.In above-mentioned arbitrary topology example, can both use fuel to greatest extent, and can carry out the warning of fuel surplus accurately.
Fig. 8 is the figure of the 1st variation of the above-mentioned embodiment of expression, and in the drawings, the label identical with Fig. 3 represented identical or cooresponding with it part.
This 1st variation is: petrolift unit 26 is set on central portion 22b at the bottom of the Fuel Tank, and respectively fuel filter 27,27 is set on left and right sides bottom side 22c, 22c.Fuel distribution tube 40 is connected on the induction pipe 42 of each fuel filter 27,27, and each fuel distribution tube 40 is communicated with the T font suction tube 34 of petrolift unit 26.
According to the 1st variation, owing on the bottom side 22c of the left and right sides, fuel filter 27 is set respectively, and each fuel filter 27 is connected on the petrolift unit 26 by fuel distribution tube 40, so can drink up by the fuel of petrolift unit 26, thereby can further guarantee fully to use fuel with left and right sides bottom side 22c.
And, can be easy to carry out the maintenance operation of fuel filter 27.
Fig. 9 and Figure 10 are the figure of the 2nd variation of the above-mentioned embodiment of expression.In the drawings, identical with Fig. 2 and Fig. 3 label is represented identical or cooresponding with it part.
Being exemplified as of the 2nd variation: petrolift unit 26 is arranged on the end central portion 22b of Fuel Tank 20, from the case outside induction pipe 42 is connected on the bottom side 22c, and fuel filter 56 is connected the outside of induction pipe 42 by open and close valve 55.
On above-mentioned open and close valve 55, form fuel inflow path 55a that is communicated with induction pipe 42 and the outflow pathway 55b that is communicated with fuel distribution tube 40, and open and close valve 55c, 55d are set on individual channel 55a, 55b respectively.On each open and close valve 55c, 55d, fix shared valve shaft 55e, and on this valve shaft 55e, cock 55f is installed.
When manually making cock 55f turn to the open position, then the fuel in the Fuel Tank 20 flow in the fuel filter 56 by inflow path 55a and filters, and attracted in the petrolift unit 26 via fuel distribution tube 40 by outflow pathway 55b from this fuel filter 56.When cock 55f is turned to off position, then flow into path 55a and outflow pathway 55b closes simultaneously.Can in Fuel Tank 20, remain under the state that fuel is arranged dismounting fuel filter 56 thus, and can be easy to keep in repair, filter changes.
Figure 11 is exemplified as: as mentioned above, fuel filter 27 is arranged on the downside wall 22c with the opposite side of downside wall 22c that above-mentioned fuel filter 56 is set, by fuel distribution tube 40 fuel filter 27 is connected on the petrolift unit 26.In this example, can in Fuel Tank 20, remain the filter core of refuelling filter 56 under the state that fuel is arranged, and can guarantee to use to greatest extent fuel.
Figure 12～Figure 14 is the figure of the fuel supply system of the embodiment (the 2nd embodiment) that is used for explanation scheme 4, scheme 5.In the drawings, identical with Fig. 2～4 label is represented identical or cooresponding with it part.
In the present embodiment, petrolift unit 26 is set on central portion 22b at the bottom of the Fuel Tank, and fuel filter 27 is set on bottom side 22b, connect this fuel filter 27 and petrolift unit 26 by having flexible fuel distribution tube 60, and this fuel distribution tube 60 is arranged in the above-mentioned Fuel Tank 20.
According to following order above-mentioned fuel distribution tube 60 is set.Fuel distribution tube 60 is connected in advance on the suction tube 34 of petrolift unit 26, petrolift unit 26 is inserted into from construction opening 22e with this fuel distribution tube 60 is installed in the Fuel Tank on the end central portion 22b.Construction opening 22f from bottom side 22c draws fuel distribution tube 60 to the case outside then, and is connected on the induction pipe 42 of fuel filter 27.In this state, insert fuel filter 27 and be installed on the bottom side 22c from construction opening 22f.
In the present embodiment, because fuel distribution tube 60 is arranged in the Fuel Tank 20,, thereby can improve aesthetic appearance so the Fuel Tank outside can not need pipe arrangement.
Above-mentioned fuel distribution tube 60 constitutes by having flexible material, in advance this fuel distribution tube 60 is connected on the petrolift unit 26, petrolift unit 26 is installed in the case, afterwards, fuel distribution tube 60 is drawn out to the case outside, and be connected on the fuel filter 27, owing in this state fuel filter 27 is installed on the bottom wall portion 22c, so can easily in the case of fuel distribution tube 60, be configured operation.
Figure 15 is the figure of the fuel supply system of the embodiment (the 3rd embodiment) that is used for explanation scheme 6.In the drawings, identical with Figure 14 label is represented identical or cooresponding with it part.
In the present embodiment, support the metallic fuel distribution tube 63 with rigidity by petrolift unit 26, fuel filter 64 is supported in suspention on this fuel distribution tube 63.
Above-mentioned fuel distribution tube 63 is communicated with the attraction path 31b of the shell 31 of petrolift unit 26, and is fixed on the shell 31 by anchor clamps 65.And fuel filter 64 is fastened on the upstream port of fuel distribution tube 63, and is arranged near on the position of bottom side 22c bottom surface.
In the present embodiment, because will have the fuel distribution tube 63 of rigidity is fastened on the petrolift unit 26, and by these fuel distribution tube 63 suspention support fuel filters 64, so fuel distribution tube 63, fuel filter 64 can be assembled in advance on the petrolift unit 26 and assemble, thereby can easily carry out the assembling of petrolift unit 26.
Figure 16～Figure 18 is the figure of the fuel supply system of the embodiment (the 4th embodiment) that is used for explanation scheme 7 and scheme 8.In the drawings, identical with Fig. 2～Fig. 4 label is represented identical or cooresponding with it part.
In the present embodiment, petrolift unit 70 is arranged on the vehicle fore-and-aft direction central portion of the bottom side 22c in the Fuel Tank 20, and erects petrolift unit 70 is set, make the axis L of petrolift unit 70 roughly vertical with the vehicle above-below direction.
On the shell 31 of above-mentioned petrolift unit 70, form fuel filter 71 integratedly continuously.And attracting the underpart opening of path 31b at above-mentioned shell 31, the sucking hole 71a of fuel filter 71 is communicated with this attraction path 31b.The sucking hole 71a of this fuel filter 71 forms on the position near bottom side 22c bottom surface.
In the present embodiment, because petrolift unit 70 is arranged on the bottom side 22c, make its axis L roughly vertical with the vehicle above-below direction, have most on the position more than needed so petrolift unit 70 can be arranged on the height dimension of Fuel Tank 20, can be arranged in the Fuel Tank 20 and do not increase the height and the width of case, thereby can prevent that Fuel Tank 20 from maximizing.
And can under the state that Fuel Tank 20 is installed on the vehicle frame, petrolift unit 70 be pulled down from Fuel Tank 20, thereby be easy to carry out the maintenance operation of petrolift unit 70.
And because fuel filter 71 one are connected on the above-mentioned petrolift unit 70, so can not need to connect both fuel distribution tubes, but also the sucking hole 71a of fuel filter 71 is positioned on the bottom surface of bottom side 22c, thereby can eliminates the dead amount of fuel and use fuel to greatest extent.
Figure 19～Figure 22 is the figure of the fuel supply system of the embodiment (the 5th embodiment) that is used for explanation scheme 11～scheme 13.
In the 5th embodiment, the case rail portion 6c by the vehicle frame that extends along the vehicle fore-and-aft direction supports Fuel Tank 20.This Fuel Tank 20 engages the periphery 21a of top box (outside wall portions) 21 and the periphery 22g of nowel (bottom wall portion) 22 by welding, and its basic structure is identical with the respective embodiments described above.
The nowel of above-mentioned Fuel Tank 20 (bottom wall portion) 22 comprises the end central portion 22b that is positioned at vehicle-width direction central authorities and is positioned at the vehicle-width direction both sides of this end central portion 22b and is in bottom side 22c, the 22c of the below of above-below direction.In other words, above-mentioned end central portion 22b forms the recess 22a of side's depression in case, and above-mentioned bottom side 22c and end central portion 22b have the jump shape downwards.
On above-mentioned bottom side 22c, form opening 22h.This opening 22h ovalize, its be set to its major axis towards vehicle fore-and-aft direction, minor axis towards the overall width direction.And releasably stop up this opening 22h by the oblong plate 30 that covers above-mentioned opening 22h.This petrolift unit 70 is arranged on the case medial surface of this plate 30.This petrolift unit 70 comprises: the petrolift 70a of fixed configurations on the case lateral surface of plate 30, and its axis L is roughly along the vertical direction; With power supply adaptor union 70b and bleed pipe 70c, be configured in the case outside of this plate 30.Above-mentioned petrolift 70a is built in oil filter the bottom of being fixed on the plate 30.Above-mentioned power supply links to each other with the electrical motor of above-mentioned petrolift 70a with distribution 70b ' by power supply with adaptor union 70b, and above-mentioned bleed pipe 70c is communicated with the ejiction opening of above-mentioned petrolift 70a by ejection flexible pipe 70c '.And, promptly be arranged side by side above-mentioned petrolift 70a, adaptor union 70b, distribution 70b ', bleed pipe 70c and ejection flexible pipe 70c ' along the vehicle fore-and-aft direction along above-mentioned long axis of ellipse.
Above-mentioned plate 30, from above-mentioned opening 22h above-mentioned petrolift unit 70 is inserted in the case, and the bottom side 22c of above-mentioned nowel 22 between clamping sealing element 72, make the case lateral surface butt of this plate 30 and this bottom side 22c, for example can freely install with loading and unloading by 4 groups of bolt and nuts (installing component) 73a, 73b.
Above-mentioned sealing element 72 is ellipticity, its diameter is less times greater than above-mentioned ellipticity opening 22h and surround around the above-mentioned petrolift unit 70, have the line part parallel (overall width direction outermost part) 72a, 72a and be used to be connected described line part arc sections 72b, 72b each other with this transverse, towards the vehicle fore-and-aft direction line part 72a is set.Above-mentioned 4 groups of bolt 73a, nut 73b are arranged on, on the above-mentioned line part 72a of vehicle fore-and-aft direction (arrow B direction) this bolt line of centers and above-mentioned sealing element 72 when seeing, position that 72a overlaps.And, above-mentioned bolt 73 is set, make it penetrate into the outside from the case inboard, its bolt cap oil sealing is welded on the above-mentioned bottom side 22c.In addition, 30a is the patchhole that breakthrough form is formed in the above-mentioned bolt 73a on the plate 30.
In the present embodiment, because petrolift unit 70 is set in place in the bottom side 22c of the end of nowel 22 central portion 22b below, so can make petrolift 70a longer on axle L direction as required, thus can guarantee big pump capacity.
And, because the plate 30 that is mounted with petrolift unit 70 can releasably be installed from the outside, thus prepare the loading and unloading operation of carrying out petrolift unit 70 in advance, thus maintainability can be improved.
When releasably constituting above-mentioned plate 30, because bolt 73a, nut 73b are set to overlap with the line part 72a of sealing element 72, so can restrain plate 30 and petrolift unit 70 overall width direction sizes in Min. ground, at the width dimensions of the bottom side 22c of Fuel Tank 20 hour, also the pump unit can be set.
In the above-described embodiment, though all bolt 73a be set to overlap with sealing element, also can only left and right bolt in arbitrary bolt be set to overlap with sealing element.
As shown in figure 23, for the configuration of above-mentioned bolt 73a, also can be at the middle additional bolts 73a ' between forward and backward bolt 73a, the 73a, so can further improve leak tightness.
And in above-mentioned the 5th embodiment, although understand oil filter is built in situation in the bottom of petrolift 70a, but self-evident, also can form the structure that as shown in figure 24 oil filter 70d ' is arranged on petrolift 70a foreign side.
The possibility of utilizing on the industry
If the fuel supply system of employing scheme 1, because petrolift is arranged in the Fuel Tank on the bottom wall portion, make its axis towards the vehicle fore-and-aft direction, so for example can be arranged on the longitudinal wall part between end central portion, bottom side or end central portion and the bottom side that constitutes the bottom wall portion recess by petrolift is laid across, petrolift is arranged in the Fuel Tank and do not increase the height and the width of case, thereby can prevent that Fuel Tank from maximizing.
In the invention of scheme 2, because petrolift is arranged on the end central portion of bottom wall portion, the space is set relatively has more than needed and be easy to guarantee to install on the position of face of joint so can be configured in, thereby can prevent that Fuel Tank from maximizing.
And, have on the bottom side of jump because fuel filter is arranged on end central portion, thus the dead amount of the fuel that can't attract when petrolift is arranged on the eminence of bottom wall portion can be eliminated, thus can use fuel to greatest extent.And, can Fuel Tank not pulled down from vehicle frame from Fuel Tank dismounting fuel filter, be easier to carry out the maintain and replace operation of filter core.
In the invention of scheme 3,,, can improve operability so can carry out the connection operation of fuel distribution tube from the case outside owing to the outside that fuel distribution tube is arranged on Fuel Tank.
And, because the sucking hole of fuel filter is positioned on the bottom wall portion,, can use fuel to greatest extent so can suck the above fuel in fuel filter installation site.
In the invention of scheme 4,,, can improve aesthetic appearance so the Fuel Tank outside does not need pipe arrangement because fuel distribution tube is arranged in the Fuel Tank.
In the invention of scheme 5, because fuel distribution tube has flexible, fuel distribution tube is drawn out to the outside in the Fuel Tank and is connected on the fuel filter, and in this state fuel filter is installed on the bottom wall portion, so be easy to carry out fitting operation when rope is arranged in the Fuel Tank when fuel is joined.
In the invention of scheme 6, owing to support fuel distribution tube by petrolift with rigidity, and, join so can in advance fuel distribution tube, fuel filter be assembled in the enterprising luggage of petrolift, thereby can be easy to carry out the assembling of petrolift by this fuel distribution tube suspention support fuel filter.
In the invention of scheme 7, because petrolift is arranged on the ladder bottom side of bottom wall portion, make its axis towards above-below direction, so petrolift can be arranged on the Fuel Tank height dimension has on the position more than needed most, petrolift can be arranged in the Fuel Tank and not increase the height and the width of case, thereby can prevent that Fuel Tank from maximizing.And, can Fuel Tank need not be pulled down from vehicle frame from Fuel Tank dismounting petrolift, thereby be easy to carry out the maintain and replace operation of petrolift.
In the invention of scheme 8, because the fuel filter one is connected in the petrolift, so can not need to connect both fuel distribution tubes, and can make the sucking hole of fuel filter be positioned at the lower of Fuel Tank, use fuel to greatest extent so can eliminate the dead amount of fuel.
In the invention of scheme 9, because the sucking hole at fuel filter partly disposes level sensor, and when importing the detected value of this sensor, show the warning of fuel surplus, thus fuel can be used to greatest extent, and can before soon can't travelling, inform the jockey.
In the invention of scheme 10, owing to fuel-storage cell independently is set in the sucking hole part of fuel filter, and at the indoor level sensor that is provided with of this bunkering, so can carry out the warning of fuel surplus accurately.
In the invention of scheme 11, on the bottom wall portion of above-mentioned Fuel Tank, since than central portion of the described end by under the position on petrolift is set, make its axis roughly along the vertical direction, have most on the position more than needed and do not increase case height and case width so petrolift can be arranged on the Fuel Tank height dimension, can guarantee the desired volume of petrolift.
In addition, because petrolift is arranged on the plate that releasably stops up the bottom side opening, so can dismantle petrolift from Fuel Tank, and Fuel Tank need not be pulled down from vehicle frame, thereby be easy to carry out the maintain and replace operation of petrolift.
In the invention of scheme 12, have at least a part to be arranged on the position that partly roughly overlaps with the overall width direction outermost of sealing element when the vehicle fore-and-aft direction is seen owing to be positioned at the outermost installing component of overall width direction, so can restrain to Min. the overall width direction size of plate, even in the time of can't fully guaranteeing the Width size of Fuel Tank bottom side, also petrolift can be arranged in the Fuel Tank.
In the invention of scheme 13, be arranged on the position that roughly overlaps with the overall width direction outermost part of above-mentioned sealing element, so can further reduce the overall width direction size of above-mentioned plate owing to will be positioned at outermost all installing components of overall width direction.
Claims (4)
1. the fuel supply system of an automatic two-wheeled cycle, on the vehicle frame that extends along the vehicle fore-and-aft direction, load Fuel Tank, and in described Fuel Tank, petrolift is set, this petrolift forms the tunnel-like recess of inserting logical described vehicle frame on the overall width direction central portion of this Fuel Tank bottom wall portion, and to the driving engine fueling, it is characterized in that: described petrolift is arranged on the described bottom wall portion with jump of described recess side of described bottom wall portion, the axis that makes this petrolift is towards the vehicle fore-and-aft direction, and outwards sprays fuel from the bottom surface of the bottom side of described Fuel Tank.
2. the fuel supply system of automatic two-wheeled cycle as claimed in claim 1 is characterized in that: the fuel filter one is connected on the attraction mouth of described petrolift.
3. the fuel supply system of automatic two-wheeled cycle as claimed in claim 2, it is characterized in that: the sucking hole at described fuel filter partly is provided with level sensor, when input shows the warning of fuel surplus during from the detected value of this level sensor and constitutes.
4. the fuel supply system of automatic two-wheeled cycle as claimed in claim 3 is characterized in that: the sucking hole part at described fuel filter independently is provided with the fuel-storage cell that is used to store small amount of fuel, and described level sensor is set in that this bunkering is indoor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003037905 | 2003-02-17 | ||
| JP2003-37905 | 2003-02-17 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800012732A Division CN100510376C (en) | 2003-02-17 | 2004-02-17 | Fuel-feeding device for two-wheeled motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101289107A true CN101289107A (en) | 2008-10-22 |
| CN101289107B CN101289107B (en) | 2011-09-21 |
Family
ID=32866375
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800012732A Expired - Lifetime CN100510376C (en) | 2003-02-17 | 2004-02-17 | Fuel-feeding device for two-wheeled motor vehicle |
| CN2008100915950A Expired - Lifetime CN101289107B (en) | 2003-02-17 | 2004-02-17 | Fuel supply device for auto two-wheel vehicle |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800012732A Expired - Lifetime CN100510376C (en) | 2003-02-17 | 2004-02-17 | Fuel-feeding device for two-wheeled motor vehicle |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4188969B2 (en) |
| CN (2) | CN100510376C (en) |
| BR (2) | BRPI0406176B1 (en) |
| WO (1) | WO2004072469A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102639392A (en) * | 2009-11-30 | 2012-08-15 | 铃木株式会社 | Seat support structure for two-wheeled motor vehicle |
| CN103180595A (en) * | 2010-10-29 | 2013-06-26 | 株式会社京浜 | Fuel supply unit |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4174513B2 (en) * | 2004-01-30 | 2008-11-05 | ヤマハ発動機株式会社 | Fuel pump mounting structure for vehicle engine and vehicle equipped with the structure |
| JP2005291164A (en) * | 2004-04-02 | 2005-10-20 | Yamaha Motor Co Ltd | Fuel filter for vehicular engine, its mounting structure and mounting method |
| JP2007118627A (en) | 2005-10-24 | 2007-05-17 | Yamaha Motor Co Ltd | Fuel tank assembly and saddle riding type vehicle equipped therewith |
| EP1787900A1 (en) * | 2005-11-17 | 2007-05-23 | Keihin Corporation | Fuel supply unit in fuel tank for motorcycle |
| JP4602244B2 (en) * | 2005-12-22 | 2010-12-22 | 本田技研工業株式会社 | Motorcycle fuel supply system |
| MY149414A (en) | 2007-03-29 | 2013-08-30 | Honda Motor Co Ltd | Vehicle fuel supply device and fuel filter structure |
| JP5290930B2 (en) * | 2009-01-30 | 2013-09-18 | 本田技研工業株式会社 | Fuel supply device |
| JP5280273B2 (en) * | 2009-03-30 | 2013-09-04 | 本田技研工業株式会社 | Canister layout for saddle-ride type vehicles |
| JP5513271B2 (en) * | 2010-06-15 | 2014-06-04 | 本田技研工業株式会社 | Vehicle fuel supply device |
| JP5762088B2 (en) * | 2011-03-31 | 2015-08-12 | 本田技研工業株式会社 | Motorcycle fuel supply system |
| WO2013179501A1 (en) | 2012-05-28 | 2013-12-05 | 本田技研工業株式会社 | Saddle-type vehicle |
| TWM453728U (en) * | 2012-11-22 | 2013-05-21 | Shen S Glory Inc | Fuel supply device and oil reflow tee thereof |
| WO2018182542A1 (en) * | 2017-03-29 | 2018-10-04 | Honda Motor Company Limited | Fuel tank structure for motorcycle |
| JP6546628B2 (en) * | 2017-07-14 | 2019-07-17 | 株式会社ケーヒン | Fuel supply system |
| WO2019123707A1 (en) * | 2017-12-19 | 2019-06-27 | 本田技研工業株式会社 | Engine generator |
| EP3957555B1 (en) * | 2019-08-26 | 2023-08-23 | Honda Motor Co., Ltd. | Saddle-type vehicle |
| CN115667062A (en) * | 2020-05-22 | 2023-01-31 | Tvs电机股份有限公司 | Saddle-type vehicle with storage structure assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61132017U (en) * | 1985-02-08 | 1986-08-18 | ||
| JPH021478Y2 (en) * | 1985-06-17 | 1990-01-16 | ||
| JPH07110630B2 (en) * | 1987-04-14 | 1995-11-29 | 本田技研工業株式会社 | Arrangement structure of fuel system in vehicles such as motorcycles |
| JP4108192B2 (en) * | 1998-08-26 | 2008-06-25 | 本田技研工業株式会社 | Motorcycle fuel tank |
| JP3882020B2 (en) * | 1999-03-25 | 2007-02-14 | カルソニックカンセイ株式会社 | Automobile fuel transfer device |
| JP3873646B2 (en) * | 2001-03-30 | 2007-01-24 | スズキ株式会社 | Motorcycle fuel supply system |
-
2004
- 2004-02-17 WO PCT/JP2004/001747 patent/WO2004072469A1/en active Application Filing
- 2004-02-17 CN CNB2004800012732A patent/CN100510376C/en not_active Expired - Lifetime
- 2004-02-17 BR BRPI0406176-4B1A patent/BRPI0406176B1/en active IP Right Grant
- 2004-02-17 BR BRPI0419323-7A patent/BRPI0419323B1/en active IP Right Grant
- 2004-02-17 CN CN2008100915950A patent/CN101289107B/en not_active Expired - Lifetime
- 2004-02-17 JP JP2005505036A patent/JP4188969B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102639392A (en) * | 2009-11-30 | 2012-08-15 | 铃木株式会社 | Seat support structure for two-wheeled motor vehicle |
| CN102639392B (en) * | 2009-11-30 | 2014-12-03 | 铃木株式会社 | Seat support structure for two-wheeled motor vehicle |
| CN103180595A (en) * | 2010-10-29 | 2013-06-26 | 株式会社京浜 | Fuel supply unit |
| CN103180595B (en) * | 2010-10-29 | 2015-06-17 | 株式会社京浜 | Fuel supply unit |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0419323B1 (en) | 2012-12-25 |
| JP4188969B2 (en) | 2008-12-03 |
| JPWO2004072469A1 (en) | 2006-06-01 |
| BRPI0406176B1 (en) | 2013-06-11 |
| CN1705816A (en) | 2005-12-07 |
| CN100510376C (en) | 2009-07-08 |
| CN101289107B (en) | 2011-09-21 |
| BRPI0406176A (en) | 2005-07-19 |
| WO2004072469A1 (en) | 2004-08-26 |
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