CN1441160A - Fuel pump assembly of vehicle - Google Patents
Fuel pump assembly of vehicle Download PDFInfo
- Publication number
- CN1441160A CN1441160A CN 03106200 CN03106200A CN1441160A CN 1441160 A CN1441160 A CN 1441160A CN 03106200 CN03106200 CN 03106200 CN 03106200 A CN03106200 A CN 03106200A CN 1441160 A CN1441160 A CN 1441160A
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- China
- Prior art keywords
- fuel
- vapour
- fuel pump
- filter
- electric
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Classifications
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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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0205—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine
- F02M63/0215—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine by draining or closing fuel conduits
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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
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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
- F02M37/20—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 characterised by means for preventing vapour lock
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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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
- F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
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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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
- F02M61/145—Arrangements of injectors with respect to engines; Mounting of injectors the injection nozzle opening into the air intake conduit
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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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/04—Injectors peculiar thereto
- F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
- F02M69/044—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the intake conduit downstream of an air throttle valve
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
A fuel pump module for a vehicle capable of lessening its overall length to a great extent and discharging the internally generated vapor to the outside. A motor-driven pump 13 and a fuel filter 14 to be accommodated in a module case 12 are arranged so that their axes in the longitudinal direction are parallel to each other, and a vapor separation chamber 26 to accept the fuel including the vapor generated there and feed the vapor separated from the fuel to a fuel returning hole 22 is provided in the module case 12 adjacently to one-side ends of the pump 13 and filter 14 in the longitudinal direction.
Description
Technical field
The present invention relates to the fuel pump components of vehicles such as automatic two-wheeled cycle, especially, relate to the electric fuel pump and the fuel filter that will be installed in series on the stream that connects between fuel inlet and fuel outlet, and be installed in the improvement that fuel pressure regulator on the pressure regulation path that connects between fuel outlet and the fuel recovery mouth is housed in the fuel pump components in the assembly casing, on the described assembly casing laterally opening be provided with the fuel inlet that receives fuel from fuel pot, to the fuel outlet of the Fuelinjection nozzle fueling of motor and make residual fuel be back to the fuel recovery mouth of fuel pot.
Background technique
This fuel pump components is known, and for example to have the spy open the 2001-248510 communique disclosed.
In existing this fuel pump components,,, when being equipped on it on motor, be difficult to arrange compactly so that its length overall becomes is very long because electric fuel pump and fuel filter be connected in series on the same axis.In addition, this fuel pump components during near engine configurations, might be subjected to the influence of engine radiation heat, produce vapour in inside, to the hot exposure of motor or run up and bring obstacle.
The present invention develops in view of the above problems, and its purpose is, a kind of fuel pump components of described vehicle is provided, and it can shorten entire length significantly, and the vapour that inside produces can be rejected to the outside.
To achieve these goals, first aspect present invention provides a kind of fuel pump components of vehicle, be installed in series electric fuel pump and fuel filter on the stream that connects between fuel inlet and fuel outlet and the fuel pressure regulator that is installed on the pressure regulation path that connects between fuel outlet and the fuel recovery mouth are housed in the assembly casing, on the described assembly casing laterally opening be provided with from fuel pot receive the fuel inlet of fuel, to the fuel outlet of the Fuelinjection nozzle fueling of motor and make residual fuel be back to the fuel recovery mouth of fuel pot.Described electric fuel pump and described fuel filter are disposed in the mode that its longitudinal axis is parallel to each other, vertical end adjacency of vapour separation chamber and described electric fuel pump and fuel filter is arranged in the described assembly casing, and accommodate the fuel of the vapour that is included in described electric fuel pump and fuel filter generation and a vapour that separates from this fuel be sent to described fuel recovery mouth described vapour separation chamber.
According to a first aspect of the invention,, can shorten the entire length of assembly casing significantly, realize the miniaturization of fuel pump components by parallel configuration electric fuel pump and fuel filter.
The vapour that produces in fuel filter and electric fuel pump is housed in the vapour separation chamber with fuel, this indoor carrying out separating of fuel and vapour, this vapour floats, be sent to the fuel recovery mouth, so can supply with the fuel of the kilter that does not contain vapour to Fuelinjection nozzle, can always guarantee the steady running state of motor.
A second aspect of the present invention, on the basis of first aspect, the vapour tap hole on top, described vapour separation chamber is opened on the described pressure regulation path in described fuel pressure regulator downstream, utilizes residual fuel to provide negative pressure to described vapour tap hole by the injection effect that this pressure regulation path produces.
According to a second aspect of the invention,, can promote vapour autopneumatolysis thing separation chamber to discharge effectively, also can promote the vapour centrifugation of vapour separation chamber thereupon to the pressure regulation path when utilizing described injection effect when the vapour tap hole provides negative pressure.
Third aspect present invention is installed in described fuel filter on the stream between described fuel inlet and the described electric fuel pump on the basis of described first aspect or second aspect.
According to this third aspect, electric fuel pump can interiorly be adorned brushless type motor, and fuel filter can adopt cheap low-pressure type fuel filter.
Fourth aspect present invention on the basis of described first aspect or second aspect, with being communicated with described fuel inlet in the described assembly casing, is full of fuel, and described electric fuel pump be impregnated in this fuel.And described fuel filter is installed on the stream between this electric fuel pump and described fuel outlet.
According to fourth aspect present invention, can utilize the motor of dress in the fuel cooling electric fuel pump in the assembly casing.Therefore, even this motor is common charged brush motor, also can utilize fuel to cool off its brush slide part effectively.At this moment,, also can catch this abrasion powder, can stop it to go out to Fuelinjection nozzle one effluent by fuel filter even the abrasion powder that the brush slide part produces is sneaked in the interior fuel of assembly casing and is inhaled into electric fuel pump.
In addition, fifth aspect present invention on the basis of the either side of described the present invention's first～fourth aspect, makes a side adjacency of described assembly casing and motor sucking pipe, and these assembly casings and the mutual general arrangement of sucking pipe longitudinal axis are met at right angles.
In addition, described sucking pipe is corresponding with the throttle valve main body 6 in the aftermentioned embodiments of the invention.
According to the 5th aspect, the entire length of fuel pump components is shortened, simultaneously, can bring the miniaturization of motor suction system thereupon.
Description of drawings
Fig. 1 is the major component profile of the automatic two-wheeled cycle with fuel pump components of the embodiment of the invention 1;
Fig. 2 is 2 ones the amplification vertical profile profile of Fig. 1;
Fig. 3 is the 3-3 line sectional drawing of Fig. 2;
Fig. 4 is the 4-4 line sectional drawing of Fig. 3;
Fig. 5 is the whole synoptic diagram of fuel supply system that contains the automatic two-wheeled cycle of above-mentioned fuel pump components;
Fig. 6 is the structure and the Action Specification figure of horizontal commentaries on classics shut off valve;
Fig. 7 is the whole synoptic diagram of fuel supply system of the automatic two-wheeled cycle with fuel pump components of the embodiment of the invention 2.
Embodiment
Embodiments of the invention shown in reference to the accompanying drawings illustrate example of the present invention below.
Explanation by the embodiments of the invention 1 of Fig. 1～shown in Figure 7 begins.
Among Fig. 1, as the main body frame 1 of the automatic two-wheeled cycle M of vehicle by the preceding pipe 1f that extends down backward from not shown head pipe with hold up the back pipe 1r that rearward extends from its rear end and constitute, pipe 1f puts on the shelf and is provided with the four stroke engine E that is disposed at below it before this, and back pipe 1r is provided with fuel pot T.
Described motor E makes cylinder cap 2 towards vehicle front, approximate horizontal ground configuration effort cylinder cylinder body 3, engaging in the upper-end surface of this cylinder cap 2 has the throttle valve main body 6 with the aspirating unit 5 that links to each other with intakeport 4, is connected with air cleaner 7 at the upstream extremity of this throttle valve main body 6.On the lower end surface of cylinder cap 2, engage the outlet pipe 9 that links to each other with relief opening 8 is arranged.
Axle is propping up the throttle valve 10 that opens and closes aspirating unit 5 on the throttle valve main body 6, in these throttle valve 10 downstream sides, the electro-magneto fuel injector I towards intakeport 4 burner oils is installed on the injection valve installation base 11 on the sidewall that is formed at throttle valve main body 6.Fuel pump components Mp to the fuel of this Fuelinjection nozzle I fueling jar T is installed on the throttle valve main body 6.
At first, utilize the whole synoptic diagram of Fig. 6 that the overall structure of this fuel pump components Mp is described.
Fuel pump components Mp is a main structural components with assembly casing 12, electric fuel pump 13, low-pressure type fuel filter 14, fuel pressure regulator 15 and horizontal commentaries on classics shut off valves 16 of being housed in this assembly casing 12.
The outer side surface upper shed of assembly casing 12 is provided with fuel inlet 20, fuel outlet 21 and fuel recovery mouth 22, be connected with on this fuel inlet 20 from the extended fuel feed pipe 23 in fuel pot T bottom, the fuel in the fuel pot T utilizes the effect of gravity to flow into fuel inlet 20.
Be connected with the recovery pipe 24 of the gas phase portion of end openings in fuel pot T on the fuel recovery mouth 22, fuel outlet 21 is connected the introducing port of Fuelinjection nozzle I.
Be formed with main chamber 25 in the assembly casing 12 and be adjacent to the vapour separation chamber 26 of this main chamber 25 across next door 27, electric fuel pump 13 and fuel filter 14 have been taken in by this main chamber 25.At this moment, the inlet duct 28 of fuel filter 14 its vertical ends is connected on the described fuel inlet 20, and vertically the outer pipe 29 of the other end is opened on vapour separation chamber 26.Electric fuel pump 13 is opened on vapour separation chamber 26 with the suction pipe 30 and the vapour discharge tube 31 of a vertical end, and the discharge tube 32 of vertical the other end is communicated with the inlet opening 33 of horizontal commentaries on classics shut off valve 16.
The exit orifice 34 of horizontal commentaries on classics shut off valve 16 is communicated with described fuel outlet 21 by burner oil path 35, stops fuel from fuel outlet 21 sidelong to change safety check 36 that shut off valve 16 sides flow backwards being provided with of described burner oil path 35 midway.
Be provided with the vapour tap hole 45 of the roof that connects described vapour separation chamber 26 at the inner side surface opening of the pressure regulation path 40 in these fuel pressure regulator 15 downstreams, utilize the injection effect that residual fuel is produced by pressure regulation path 40 at a high speed to provide negative pressure to vapour tap hole 45.
In addition, among Fig. 1, be equipped with electric control device 47 in the front of air cleaner 7.This electric control device 47 is controlled the action of Fuelinjection nozzle I, electric fuel pump 13 and spark coil (not shown) etc. according to engine speed Ne, engine temperature (for example lubricating oil temperature) Te of input, the signals such as aperture Th, crank position Cp of throttle valve 10.
Like this, in motor E running, the fuel in the fuel pot T flows down through fuel feed pipe 23, arrives the fuel inlet 20 of fuel pump components Mp, and filters through fuel filter 14, flows into vapour separation chamber 26.Like this, fuel utilizes gravity to carry out to the supply of fuel inlet 20, so when producing vapour in fuel feed pipe 23, then this vapour just floats to fuel pot T side naturally.The fuel that flows into vapour separation chamber 26 utilizes the action of electric fuel pump 13 to be inhaled into from inlet duct 28, to discharge tube 32 force feeds, then, through horizontal commentaries on classics shut off valve 16 and safety check 36, supplies with to Fuelinjection nozzle I from the fuel outlet, and this valve I sprays to intakeport 4 certainly.
During this period, the vapour that produces in fuel filter 14 and electric fuel pump 13 is discharged to vapour separation chamber 26, carry out separating of fuel and vapour in this chamber 26, so vapour floats the pressure regulation path 40 that autopneumatolysis thing tap hole 45 is discharged to fuel pressure regulator 15 downstreams.
But, in pressure regulation path 40, as mentioned above, the residual fuel that makes fuel pressure regulator 15 drive valve passes through at a high speed, utilize it to spray effect and provide negative pressure to vapour tap hole 45, so promoted effectively 26 the discharges of vapour autopneumatolysis thing separation chamber thereupon, also to have promoted the vapour centrifugation of vapour separation chamber 26 to pressure regulation path 40.Like this, when vapour when fuel filter 14 and electric fuel pump 13 discharged, can supply with the fuel of the kilter that does not contain vapour to Fuelinjection nozzle I, can always guarantee the steady running state of motor E.
Fuel and vapour by pressure regulation path 40 reclaim the gas phase portion of mouth 22 in recovery pipe 24 is discharged to fuel pot T from fuel, so can separate in fuel at this gas phase portion vapour.
Utilize Fig. 6 that described horizontal commentaries on classics shut off valve 16 is described below.
Shown in Fig. 6 (N), horizontal commentaries on classics shut off valve 16 has the intermediate portion that upper end that upright state at automatic two-wheeled cycle M is cylindric first valve chamber 55 of the posture that tilts to the upper left side and relative therewith cylindric second valve chamber, 56, the first valve chambers 55 to the upper right inclination is connected second valve chamber 56.Form first and second valve seat 55a, 56a respectively on the top separately of first and second valve chamber 55,56, the top that the bottom of the first valve seat 55a has described inlet opening 33, the second valve seat 56a has described exit orifice 34.The lower end separately of first and second valve chamber 55,56 is by spherical key 59,60 obturations.First and second valve chamber 55,56 contains can sit the ball valve 58,59 that is contained on first and second valve seat 55a, the 56a respectively.The lower end separately of first and second valve chamber 55,56 is by key 59,60 obturations.
Like this, shown in Fig. 6 (N), under the upright state of automatic two-wheeled cycle M, first and second valve body 58,59 utilizes deadweight to break away from first and second valve seat 55a, 56a and stays on the key 59,60.Therefore, be connected between inlet opening 33 and the exit orifice 34, allow from electric fuel pump 13 to Fuelinjection nozzle I fueling.
But, just in case automatic two-wheeled cycle M under the situation of left or right-hand horizontal commentaries on classics, as Fig. 6 (L) or (R), along with first valve chamber 55 or second valve chamber, the 56 horizontal approximate horizontal that transfer to, first valve body 57 or second valve body 58 just utilize its inertia to sit and are contained on the first valve seat 55a or the second valve seat 56a, all can will block between inlet opening 33 and the exit orifice 34 in any case.Like this, sit when first valve body 57 or second valve body 58 and to be contained in the first valve seat 55a or the second valve seat 56a when going up, it is sat dress state and is maintained fixed by the fuel pressure of inlet opening 33 sides.Therefore, even because of the horizontal commentaries on classics of automatic two-wheeled cycle M makes Fuelinjection nozzle I side produce damage, can prevent that also fuel from spraying in possible trouble from fuel outlet 21.
Fig. 2～Fig. 5 shows the situation that above-mentioned fuel pump components Mp is specialized.
In Fig. 2 and Fig. 3, assembly casing 12 has the casing main body 12a that forms main chamber 25, clips next door 27 at this casing main body 12a and engages the casing cover 12b that forms vapour separation chamber 26, constitutes the transverse section and roughly is fan-shaped structure.At this moment, sealed member 48,48 is installed between each mating face of casing main body 12a, next door 27 and casing cover 12b.The cylindrical shape electric fuel pump 25 is configured in described fan-shaped central part in the main chamber.Form circular-arc fuel filter 14 in the main chamber 25 along the configuration of fan-shaped circular arc part.Like this, electric fuel pump 13 and fuel filter 14 are configured to its longitudinal axis and are parallel to each other in main chamber 25.Therefore, can shorten the length overall of assembly casing 12 significantly, add its transverse shape form roughly fan-shaped, so can realize the miniaturization of fuel pump components Mp.
As shown in Figures 2 and 3, be formed with a pair of installation base 49,49 of vertical arrangement in circular-arc the outside of casing main body 12a, these boss 49,49 are fixed on the sidewall of throttle valve main body 6 by bolt 50,50.At this moment, the longitudinal axis X of assembly casing 12 is configured to the right angle with respect to the axis Y of the aspirating unit 5 of throttle valve main body 6.By this configuration, can shorten the length overall of fuel pump components Mp, can realize the miniaturization of the suction system of motor E thereupon.
Rear side is provided with fuel inlet 20 on the sidewall of casing main body 12a, and the front side is provided with fuel outlet 21.Especially, fuel inlet 20 is located on the cap 51, this cap 51 is integrally formed on the antetheca of casing main body 12a, be embedded in the head of Fuelinjection nozzle I, fuel inlet 20 directly is communicated with the fuel introducing port of Fuelinjection nozzle I, so need between fuel outlet 21 and Fuelinjection nozzle I, pipe arrangement be set, can simplify fuel distribution tube.
Be assembled with horizontal commentaries on classics shut off valve 16 on the casing main body 12a.
Be assembled with fuel pressure regulator 15 on the casing cover 12b, its rear wall is provided with fuel recovery mouth 22.
As mentioned above, when fuel inlet 20 and fuel recovery mouth 22 are located on the rear wall of assembly casing 12, the fuel feed pipe 23 that is connected with them and recovery pipe 24 can be configured in automatic two-wheeled cycle M than central part, help avoiding interference with miscellaneous part.
Identical shown in the whole synoptic diagram of other structures and Fig. 5 in Fig. 2～Fig. 5, given same reference marks with the corresponding part of Fig. 5.
Below, embodiments of the invention shown in Figure 72 are described.
In this embodiment 2, on the fuel inlet 20 of assembly casing 12, filter 61 is housed, main chamber 25 is communicated with this fuel inlet 20, will be full of main chamber 25 from the fuel of fuel pot T, and electric fuel pump 113 and fuel filter 114 are immersed in this fuel.Described electric fuel pump 113 and fuel filter 114 are same with the foregoing description, and longitudinal axis is configured in the main chamber 25 abreast.Electric fuel pump 113 is opened on suction pipe 30 in the main chamber, sucks the fuel of main chamber 25, is sent to fuel filter 114 by discharge tube 32.Therefore, the fuel filter 114 among this embodiment 2 must be a high pressure type.The fuel under high pressure of being filtered by this fuel filter 114 is sent to horizontal commentaries on classics shut off valve 16 by outer pipe 29, then, through the route same with the foregoing description, sprays to the intakeport 8 of motor E from fuel injection valve I.
Common charged brush motor is housed in the electric fuel pump 113.Therefore, its brush slide part is until the fuel cooling of motor integral body by main chamber 25.At this moment, the abrasion powder that the brush slide part produces is discharged to main chamber 25 sometimes and is inhaled into electric fuel pump 113 with fuel, and still, this abrasion powder is discharged fuel filter 114 seizure of side by being configured in electric fuel pump 113, can not flow into Fuelinjection nozzle I side.
The top of main chamber 25 is communicated with adjacent vapour separation chamber 26 through with holes 62, and the vapours that produce in the main chamber 25 float and move to vapour separation chamber 26.The vapour discharge tube 31 of electric fuel pump 113 is same with the foregoing description, is opened on vapour separation chamber 26.
Other structures and the foregoing description are same, and the part corresponding with the foregoing description given same reference marks among Fig. 7, and omit its explanation.
The invention is not restricted to the foregoing description, in the scope that does not break away from its main idea, can carry out all design alterations.For example, at motor E is under the situation of a plurality of cylinders, also throttle valve main body 6 can be combined on the cylinder cap 2 through air suction main, and the Fuelinjection nozzle corresponding with each cylinder is installed on this air suction main, at this moment, also fuel pump components Mp can be installed on the air suction main.
As mentioned above, first aspect present invention provides a kind of fuel pump components of vehicle, will be installed in series Connect electric fuel pump and the fuel filter on the stream between fuel inlet and fuel outlet and be installed in The fuel pressure regulator that connects on the pressure regulation path between fuel outlet and the fuel recovery mouth is housed in group In the part casing, on the described assembly casing laterally opening be provided with the fuel that receives fuel from fuel tank and enter Mouthful, to the fuel outlet of the Fuelinjection nozzle feed fuels of engine and make residual fuel be back to fuel tank The fuel recovery mouth. Described electric fuel pump and described fuel filter is mutual with their longitudinal axis Parallel mode disposes, with vertical one of vapour separation chamber and described electric fuel pump and fuel filter End is in abutting connection with being arranged in the described assembly casing, and accommodate and is included in described electronic fuel described vapour separation chamber The fuel of the vapour that pump and fuel filter produce also is sent to the vapour that separates from this fuel described The fuel recovery mouth. Therefore, can shorten significantly the entire length of assembly casing, the realization fuel pump components Miniaturization. The vapour that in fuel filter and electric fuel pump, produces in the vapour separation chamber with combustion Material separates, and is sent to the fuel recovery mouth, so can supply with the kilter that does not conform to vapour to Fuelinjection nozzle Fuel, can always guarantee the steady running state of engine.
A second aspect of the present invention on the basis of first aspect, makes described vapour separation chamber top The vapour tap is opened on the described pressure regulation path in described fuel pressure regulator downstream, utilizes residue Fuel provides negative pressure by the injection effect that this pressure regulation path produces to described vapour tap. So, Not only can effectively promote vapour autopneumatolysis thing separation chamber to discharge to the pressure regulation path, and can promote gas Vapour centrifugation in the compound separation chamber.
Third aspect present invention is on the basis of described first aspect or second aspect, with described fuel filter Device is installed on the stream between described fuel inlet and the described electric fuel pump. So electric fuel pump can In-built brushless type motor, fuel filter can adopt cheap low-pressure type fuel filter.
Fourth aspect present invention is on the basis of described first aspect or second aspect, with described module case Be communicated with described fuel inlet in the body, be full of fuel, described electric fuel pump be impregnated in this fuel. And described fuel filter is installed on the stream between this electric fuel pump and described fuel outlet. Cause This even the in-built motor of electric fuel pump is common motor with brush, also can utilize fuel to have Its brush sliding part of effect ground cooling. And can catch the abrasion that the brush sliding part produces by fuel filter Powder can stop it to go out to Fuelinjection nozzle one effluent.
In addition, fifth aspect present invention is at the base of the either side of described the present invention's first～fourth aspect On the plinth, make a side adjacency of described assembly casing and engine air intake duct, make these assembly casings and air-breathing The mutual general arrangement of pipe longitudinal axis meets at right angles. So, the entire length of fuel pump components is shortened, with The time, the miniaturization that can thereupon bring the engine suction system.
Claims (5)
1, a kind of fuel pump components of vehicle, electric fuel pump (13 on the stream that connects between fuel inlet (20) and fuel outlet (21) will be installed in series, 113) and fuel filter (14,114), and the fuel pressure regulator (15) that is installed on the pressure regulation path that connects between fuel outlet (21) and the fuel recovery mouth (22) is housed in the assembly casing (12), on the described assembly casing (12) laterally opening be provided with the fuel inlet (20) that receives fuel from fuel pot (T), to the fuel outlet (21) of Fuelinjection nozzle (I) fueling of motor (E) and make residual fuel be back to the fuel recovery mouth (22) of fuel pot (T), it is characterized in that, described electric fuel pump (13,113) and described fuel filter (14,114) mode that is parallel to each other with its longitudinal axis disposes, vapour separation chamber (26) and described electric fuel pump (13,113) and fuel filter (14,114) a vertical end is in abutting connection with being arranged in the described assembly casing (12), accommodate and be included in described electric fuel pump (13 described vapour separation chamber (26), 113) and the fuel of the vapour that produces of described fuel filter (14, a 114) and vapour that separates from this fuel is sent to described fuel recovery mouth (22).
2, the fuel pump components of vehicle as claimed in claim 1, it is characterized in that, the vapour tap hole (45) on top, described vapour separation chamber (26) is opened on the described pressure regulation path (40) in described fuel pressure regulator (15) downstream, utilizes residual fuel to pass through the injection effect that this pressure regulation path (40) produces and provides negative pressure to described vapour tap hole (45).
3, the fuel pump components of vehicle as claimed in claim 1 or 2 is characterized in that, described fuel filter (14) is installed on the stream between described fuel inlet (20) and the described electric fuel pump (13).
4, the fuel pump components of vehicle as claimed in claim 1 or 2, it is characterized in that, be communicated with described fuel inlet (20) in the described assembly casing (12), be full of fuel, described electric fuel pump (113) impregnated in this fuel, and described fuel filter (114) is installed on the stream between this electric fuel pump (113) and described fuel outlet (21).
5, as the fuel pump components of each described vehicle of claim 1～4, it is characterized in that, one side adjacency of the sucking pipe (6) of described assembly casing (12) and motor (E), (X, Y) general arrangement meets at right angles the longitudinal axis of these assembly casings (12) and sucking pipe (6) mutually.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP054278/02 | 2002-02-28 | ||
| JP2002054278A JP3980906B2 (en) | 2002-02-28 | 2002-02-28 | Vehicle fuel pump module |
| JP054278/2002 | 2002-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1441160A true CN1441160A (en) | 2003-09-10 |
| CN100520047C CN100520047C (en) | 2009-07-29 |
Family
ID=27678566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031062008A Expired - Fee Related CN100520047C (en) | 2002-02-28 | 2003-02-21 | Fuel pump assembly of vehicle |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1340905B1 (en) |
| JP (1) | JP3980906B2 (en) |
| CN (1) | CN100520047C (en) |
| BR (1) | BR0300393B1 (en) |
| ES (1) | ES2420910T3 (en) |
| TW (1) | TW589437B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101210532B (en) * | 2006-12-28 | 2010-06-16 | 铃木株式会社 | Fuel feeding device for motorcycle |
| CN101349225B (en) * | 2007-07-18 | 2011-08-24 | 爱三工业株式会社 | Fuel supply apparatus |
| CN101659301B (en) * | 2008-08-29 | 2012-09-05 | 本田技研工业株式会社 | Motorcycle |
| CN103573499A (en) * | 2013-10-25 | 2014-02-12 | 安徽工贸职业技术学院 | Fuel pump for automobile |
| CN104066970A (en) * | 2012-01-19 | 2014-09-24 | 株式会社三国 | Fuel supply device for internal combustion engine |
| CN104066967A (en) * | 2012-01-19 | 2014-09-24 | 株式会社三国 | Fuel injection device for internal combustion engine |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4144750B2 (en) * | 2003-12-02 | 2008-09-03 | 本田技研工業株式会社 | Relief type pressure regulating valve |
| TWI312029B (en) | 2005-06-23 | 2009-07-11 | Honda Motor Co Ltd | Fuel feed system of engine |
| WO2008016916A2 (en) | 2006-08-01 | 2008-02-07 | Pcrc Products | Small engine operation components |
| JP2008045488A (en) * | 2006-08-16 | 2008-02-28 | Honda Motor Co Ltd | Fuel supply device for general purpose internal combustion engine |
| DE102007020677A1 (en) | 2007-05-03 | 2008-11-06 | Robert Bosch Gmbh | Fuel conveying module comprises an outlet connected to an inlet via a pressure regulating valve so that fuel flows back into the inlet from the outlet |
| KR100999624B1 (en) * | 2008-09-04 | 2010-12-08 | 현대자동차주식회사 | High-pressure fuel supply circuit |
| JP2012225292A (en) | 2011-04-21 | 2012-11-15 | Keihin Corp | Fuel feeder of engine |
| JP6156545B2 (en) * | 2016-04-26 | 2017-07-05 | 株式会社デンソー | Fuel rail and fuel injection device using the same |
| JP7002870B2 (en) * | 2017-07-12 | 2022-01-20 | 日立Astemo株式会社 | Fuel pump |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4893647A (en) * | 1986-11-07 | 1990-01-16 | Walbro Corporation | In-tank fuel reservoir with reservoir fuel level control |
| US5103793A (en) * | 1991-01-15 | 1992-04-14 | Brunswick Corporation | Vapor separator for an internal combustion engine |
| JP3994613B2 (en) | 2000-03-01 | 2007-10-24 | 株式会社ケーヒン | Fuel supply device in fuel injection device |
-
2002
- 2002-02-28 JP JP2002054278A patent/JP3980906B2/en not_active Expired - Fee Related
-
2003
- 2003-01-31 ES ES03002227T patent/ES2420910T3/en not_active Expired - Lifetime
- 2003-01-31 EP EP20030002227 patent/EP1340905B1/en not_active Expired - Lifetime
- 2003-02-19 BR BR0300393A patent/BR0300393B1/en not_active IP Right Cessation
- 2003-02-20 TW TW92103502A patent/TW589437B/en not_active IP Right Cessation
- 2003-02-21 CN CNB031062008A patent/CN100520047C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101210532B (en) * | 2006-12-28 | 2010-06-16 | 铃木株式会社 | Fuel feeding device for motorcycle |
| CN101349225B (en) * | 2007-07-18 | 2011-08-24 | 爱三工业株式会社 | Fuel supply apparatus |
| CN101659301B (en) * | 2008-08-29 | 2012-09-05 | 本田技研工业株式会社 | Motorcycle |
| CN104066970A (en) * | 2012-01-19 | 2014-09-24 | 株式会社三国 | Fuel supply device for internal combustion engine |
| CN104066967A (en) * | 2012-01-19 | 2014-09-24 | 株式会社三国 | Fuel injection device for internal combustion engine |
| CN104066970B (en) * | 2012-01-19 | 2016-08-24 | 株式会社三国 | The fuel supply system of internal combustion engine |
| CN103573499A (en) * | 2013-10-25 | 2014-02-12 | 安徽工贸职业技术学院 | Fuel pump for automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100520047C (en) | 2009-07-29 |
| EP1340905B1 (en) | 2013-07-03 |
| TW589437B (en) | 2004-06-01 |
| EP1340905A2 (en) | 2003-09-03 |
| JP3980906B2 (en) | 2007-09-26 |
| BR0300393B1 (en) | 2012-04-03 |
| JP2003254187A (en) | 2003-09-10 |
| EP1340905A3 (en) | 2006-02-15 |
| BR0300393A (en) | 2004-08-17 |
| ES2420910T3 (en) | 2013-08-27 |
| TW200304985A (en) | 2003-10-16 |
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