CN100379599C

CN100379599C - Fuel conveying assembly

Info

Publication number: CN100379599C
Application number: CNB031272274A
Authority: CN
Inventors: L·奥布雷; R·奥布雷
Original assignee: WOLBURO ENGINE USE CO Ltd
Current assignee: WOLBURO ENGINE USE CO Ltd
Priority date: 2003-09-30
Filing date: 2003-09-30
Publication date: 2008-04-09
Anticipated expiration: 2023-09-30
Also published as: CN1603150A

Abstract

The present invention relates to a fuel conveying subassembly for automobile fuel boxes, which comprises a first subassembly, a second subassembly and a third subassembly, wherein the first subassembly forms a fixing member; the first subassembly can be fixed to the wall of a fuel box; at least one accessory is arranged on the first subassembly; the second subassembly comprises an electromotor fuel pump; the third subassembly comprises at least two exchangeable connecting rod members which are respectively fixed to the first subassembly and the second subassembly to make the first subassembly support the second subassembly.

Description

A kind of fuel transmission component

Invention field

Present invention relates in general to the fuel delivery system of automobile, particularly, relate to a kind of modular fuel transmission component.

Background technology

Many fuel delivery means and system have been proposed, as US4945884, US6328063.Some fuel delivery means is arranged on fuel tanks of automobile with the form of assembly.These assemblies are to be that specially given fuel box structure or application design-calculated, different fuel box structures require the different fuel transmission component of design, mainly will be fit to the different Fuel Tank degree of depth and possible component mounting position.Some fuel delivery means comprises subsidiary fuel level sensor.

Summary of the invention

The present invention proposes a kind of fuel transmission component of automobile, and it has first assembly, can form the connecting element that is fixed on the fuel-tank wall, and is provided with at least one annex and at least two tube portions; Second assembly comprises electro-motor petrolift and at least two tubular portions; With the 3rd assembly, comprise at least two interchangeable link members, be fixed on described first assembly and, make first assembly support second assembly by be fixed on described first assembly at the force fit between link member and the tube portion respectively by being fixed on described second assembly at the force fit between link member and the tubular portion.

The 3rd used assembly comprises at least two interchangeable link members that are arranged between first assembly and second assembly, and wherein first assembly forms connecting element, and second assembly comprises the electro-motor petrolift; Use the 3rd assembly can make first and second component standardizations, and can make fuel transmission component adapt to different environment very simply.This be because, utilize the basic structure of fuel transmission component of the present invention, by changing and select the suitable attaching parts of the 3rd assembly simply, conveying assembly can easily adapt to structure, especially fuel box structure and the geometric configuration of the fuel level sensor of any hope; Wherein conveying assembly has standard first assembly that forms connecting element and standard second assembly that comprises the electro-motor petrolift.

Another superior but nonrestrictive feature according to the present invention, at least one link member of the 3rd assembly is a tubulose, forms the passage that allows fuel therefrom to flow through; First assembly, the 3rd assembly and second assembly serial connection are provided with.First assembly is preferably with fuel filter, pressure regulator and fuel level sensor.First assembly preferably has by two and welds the filter body that part forms, first assembly forms has the integrally formed connecting element that guarantees the other passage that fuel passes through, having can be by the fuel filter that simply grips, the housing that can hold regulating control has formed the coaxial entrance and exit fuel gallery of regulating control.Second assembly that comprises the electro-motor petrolift preferably is provided with filter, and filter is provided with the end, and the inlet of extensible pump the not danger of perfusion occurs to prevent petrolift.Certainly, fuel delivery means is realized less and more purposes, and feature and advantage all belong to as within the scope and spirit of the present invention that claim limited thereafter.

Description of drawings

To these and other purpose of the present invention, feature and advantage are by following detailed description to preferred embodiment and optimal mode, and attached claim and accompanying drawing will have clearer understanding.In the accompanying drawing:

Fig. 1 is the decomposition diagram of the preferred embodiment of fuel transmission component;

Fig. 2 is the lateral plan of the fuel transmission component of Fig. 1, has shown the angular movement of the fuel level sensor that links to each other;

Fig. 3 is the planar view of fuel transmission component;

Fig. 4 is the end view drawing of fuel transmission component;

Fig. 5 is the end view drawing that the part of fuel transmission component is cut open;

Fig. 6 is the cutaway view of fuel transmission component;

Fig. 7 is the outer side view of first assembly of fuel transmission component;

Fig. 8 is the cutaway drawing of first assembly of Fig. 7;

Fig. 9 is the cutaway view of first assembly;

Figure 10 is the front elevation of first assembly, has shown the housing of pressure regulator;

Figure 11 is arranged on the partial view of the filter on the inlet of petrolift;

Figure 12 is the cutaway view with the integrally formed end of filter;

Figure 13 is the schematic side elevation of filter;

Figure 14 is the transparent view of the 3rd assembly of second preferred embodiment of fuel transmission component;

Figure 15 is another transparent view of the 3rd assembly of Figure 14;

Figure 16 is the cutaway view of pressure regulator; With

Figure 17 is the explanatory view of the fluid circuit of fuel transmission component according to a preferred embodiment of the present invention.

The specific embodiment

More carefully with reference to the accompanying drawings, Fig. 1 has shown the preferred embodiment or the assembly of modular fuel transmission component, comprises three assemblies: first assembly 100 forms connecting element; Second assembly 200 comprises the electro-motor petrolift; With the 3rd assembly 300, first and second assemblies 100 are connected together with 200.

First assembly 100 that forms connecting element can be fixed to fuel-tank wall, preferably supports at least one annex, as fuel level sensor 170.First assembly 100 that forms connecting element mainly comprises the preferably main body 110 of plastic construction, and material preferably adopts polyformaldehyde (POM).

The main body 110 best supporting filter devices 150 of first assembly 100, regulating control 160, fuel level sensor 170, fluid connection pipe 180,182 and electrical connector 190, electrical connector can provide and being electrically connected of fuel level sensor 170 and fuel pump components 200.The main body 110 of first assembly 100 comprises the part of at least two cooresponding plastic casings 120 and 130.Upper shell 120 comprises the flange 121 that extends radially outwardly, and its shape is preferably discoid.In addition, flange 121 preferably is provided with mark, as impresses 122, is beneficial to center in Fuel Tank the registration device of vertical axis.Preferably, impression 122 is arranged on the periphery of flange 121, as the clear demonstration of Fig. 1 and 3.

The upper surface of flange 121 is provided with two connection pipes 180,182.On pipe 180 supply lines that are positioned at from the petrolift to the driving engine.Another pipe 182 is positioned on the reflux pipeline, receives the fuel of not using that flows back to Fuel Tank from driving engine.These pipe 180,182 and channel connections, passage will be introduced below in more detail.

In the accompanying drawings, attaching parts 181,183 demonstrates and is connected respectively to two pipes 180 and 182, makes these two pipes be connected to suitable exterior line.The specific attaching parts 181,183 that shows in the accompanying drawing is called " John Guest " (John Gai Site) traditionally and inserts attaching parts.The those skilled in the art knows these attaching partss, will not be described in detail below.

In a preferred embodiment, the upper surface of flange 121 also is provided with connector 123.Upper shell 120, especially flange 121 and connector 123 preferably are molded with conductive contact 124 (see figure 1)s, can touch from the connector 123 of the upper surface of flange 121 and the lower surface of flange 121, so that by connection lead 171,172 are electrically connected to the level of fuel transmitter, and are electrically connected to fuel pump components by connection lead 201 and 202.

Be provided with the cylindrical cup-shaped part of two best decentraction, outer cup-shaped spare 125 and interior cup-shaped spare 126 at the lower surface of flange 121.Preferably also be provided with or support at the lower surface of flange 121 and be positioned at the passage 127 on the housing between two cup-shaped spares 125,126.Passage 127 is orthogonal to the mid-plane of flange 121 and extends.Passage 127 connection pipes 182 are also connected to the base portion of upper shell 120, to be equipped with the channel-like at lower house 130, as following introduction.Therefore passage 127 can receive and guide from driving engine or install the fuel that other downstream positions (relative petrolift) flow back to.

Interior cylindrical cup-shaped part 126 combines with similar cup-shaped spare 131 on the lower house 130, and formation can be held the cavity 128 of filter 150.The lower surface of flange 121 supports or is provided with exit passageway 129, and exit passageway is connected to above-mentioned pipe 180, and is communicated with the center of cavity 128.Fuel after the exit passageway 129 bootable filtrations is to driving engine.

Filter 150 preferably has annular geometry.More specifically, the cross section of filter 150 is U-shaped preferably, clearly illustrates as Fig. 5.Filter comprises annular filter material 151, and the bottom is by 152 sealings of fluid-tight connecting panel.Top at filter material 151 is provided with opening, and its size preferably can closely be held exit passageway 129 and fluid-tight is arranged betwixt.Therefore, enter the fuel 128 of cavity from the neighboring of filter material 151,,, and in case after filtering, leave cavity 128, flow direction engine by exit passageway 129 and pipe 180 radially inwardly by filter material 151 as following more detailed introduction.Therefore filter 150 remains in the cavity 128 of two housings, 120,130 formation, and preferably is connected to exit passageway 129 by simple clamping or force fit.

Lower house 130 also forms blind vias 132, has prolonged passage 127 to guide the untapped fuel of driving engine that refluxes to regulating control 160.Two

housings

120 and 130 133 are secured together on the plane, connect by the fluid-tight welding.Fluid-tight welding can guarantee that fluid is communicated with between two

passages

127 and 131, do not have and leak into the outside, and can guarantee to recessed cup-shaped spare 126 and between the cup-shaped spare 131 of fovea superior fluid-tight.Should be noted that filter chamber 128 also comprises the fuel outlet that exit passageway 129 forms, pipe 180 and fuel inlet will be introduced inlet now.

As shown in Figure 6, access road 134 is by the bottom of cup-shaped spare 131 and the internal communication of cavity 128.Access road 134 comprises outstanding end or adaptor union 135 downwards, can hold the pipeline or the similar component that are communicated with the fuel delivery side of pump, for example has the form of ripple flexible hose 210.Fluid-tight between flexible hose 210 and adaptor union 135 and the fuel delivery side of pump preferably guarantees by hose clamp 212,214.

Clearly illustrate that as Fig. 1 the bottom of cup-shaped spare 130 also comprises the housing 136 that can hold pressure regulator 160.By known native mode, the function of pressure regulator 160 is the pressure that restriction or control are supplied to the fuel of driving engine.In this embodiment, regulating control is arranged on not launched machine and uses on the fuel return pipe line that returns from driving engine.Regulating control 160 is preferably disposed on the inside (seeing Figure 16) of shell 161, and shell is supported on the housing 136 of fuel transmission component.

Be schematically shown as Figure 16 on the structure collectivity of pressure regulator 160.As shown in figure 16, pressure regulator 160 mainly comprises diaphragm 162, and the one side is subjected to entering by the ingate 163 that forms on the shell 161 pressure of the fuel of shell 161.The opposite side of diaphragm 162 is subjected to the promotion of bias piece such as spring 164.Diaphragm 162 comprises the valve head of facing with selectivity sealing outlet pipe 166 165.

When static, when the fuel pressure that is applied to diaphragm 162 was applied to the biasing force of diaphragm 162 less than spring 164, diaphragm 162 was promoted to move towards outlet pipe 166 by spring 164, made valve head 165 sealing outlet pipes 166.Valve head 165 is positioned at this position, and fuel can not flow through regulating control, does not have fuel to flow back into Fuel Tank from driving engine.

The pressure that is applied to diaphragm 162 when fuel is during greater than the power of spring 164, and by compression spring 164, the fuel that diaphragm 162 is left outlet pipe 166 promotes displacement.At this moment valve head 165 leaves outlet pipe 166, and the unnecessary fuel of driving engine returns Fuel Tank by regulating control 160.

Housing 136 in other words, is orthogonal to the axis of filter chamber 128 by being centered close to the vertical axis that is orthogonal to connecting element, axis on cylindrical housings form.As shown in Figure 5, the far-end of housing 136 has formed the center drum 137 that is centered on by annular chamber 138.Center drum 137 can hold and pass through the outlet pipe 166 of O shape circle 139 sealing regulating controls.Annular chamber 138 is communicated with the ingate 163 of regulating control 160.

Lower house 130 is provided with the passage 140 of band annular chamber 138, is communicated with the passage 132 that receives Returning fluid.Lower house 130 also is provided with the second blind pipe part 141, and it preferably aligns with passage 132.Pipe 141 is communicated with the inner chamber of cylinders 137 by hole 142 on top.Tube portion 141 also is communicated with the bottom of lower house 130, can hold a link member 320.

Therefore lower house 130 has formed and has comprised two pipe groups with shaft portion 132,141, two with shaft portion by central fluid diaphragm seal or wall 143 (see figure 5) separately.Upper channel 132 receives the fuel that returns from driving engine, and it is directed to the inlet 163 of regulating control.When the pressure of fuel surpasses the biasing force of spring 164, lower channel or manage 141 outlets 166 and receive fuel from regulating control.Passage 132 and pipe 141 preferably extend in parallel with

pipe

127 and 129, promptly are parallel to the axis of filter chamber 128.

Housing 136 forms circular cavity 144, and it is corresponding to the outer cross section of regulator shell 161.By seal with O ring spare 145, fuel encapsulation is realized between the neighboring of shell 161 and chamber 144.144 the open circumferential round the chamber, housing 136 has also formed the collar 146, its corresponding to regulating control 160 form towards outward flange 169.The periphery of diaphragm 162 is clamped and kept to flange 169.The collar 146 is provided with the hole 147 that can hold metallic pin 148, so that regulating control 160 is fixed in the housing 136.For this reason, pin 148 engages with the hole 147 of the collar 146, be used to support regulating control towards outward flange 169.

As shown in Figure 1, lower house 130 preferably also forms slide rail 149, accepts the housing 173 of fuel level sensor 170.Housing cooperates as clamping by suitable mode, remains on the slide rail 149.Slide rail 149 is themes of many different embodiment, therefore is not described in detail.

In a preferred embodiment, comprise lower house 130, promptly cup-shaped spare 131, and

channel part

132 and 141 has the housing 136 of center drum 137 and annular chamber 138, cavity 144, the collar 146, and the whole individual plastic framing member that forms of the assembly of slide rail 149.

Fuel level sensor 170 preferably has the intrinsic mechanism of standard.Therefore do not describe in detail.Will be appreciated that fuel level sensor 170 preferably includes housing 173, the supporting member that is provided with the resistance material guide rail 174 that can hold electrical isolation, the driven member that can move on guide rail is connected to moving member 175, moving member 175 is connected to float 177 by arm 176, and float can move with the liquid level of the fuel in the Fuel Tank.Be connected with 172 by suitable lead 171 between the contact 124 of the conductive guide of fuel level sensor and attaching parts 123.Float 177 moving during measuring represented by the dotted line of Fig. 2.

Second assembly 200 mainly comprises electro-motor petrolift 220, can be conventional and can be any model, includes but not limited to turbine or positive displacement petrolift.As shown in Figure 6, petrolift 220 is preferably in outlet check valve or boiler check valve 222 is set, so fuel can be discharged from petrolift, but prevents to enter petrolift 220 again by outlet.Petrolift 220 also is provided with filter 230 at inlet.Filter 230 comprises the jacket 232 that is formed by the fabric with specific mesh size, but is preferably formed by synthetic material.

Filter 230 is preferably in the support 234 that is provided with in the filter jacket 232 as distance piece,, the lower and upper wall of filter is kept separately.Distance piece 234 is themes of many different embodiment.According to specific embodiment shown in Figure 11, support 234 has the form of scalariform, comprises two sides 235, has the wavy of sinusoidal form, connects together by transverse bar 236.Side 235 extends along the length direction of filter 230.The wave part of side 235 generally is positioned at the plane that is orthogonal to filter jacket 232 upper and lower surfaces.In other words, the wave of wave part pushes up the upper and lower surface of close filter jacket 232 respectively.Certainly, support 234 can form any other shape that is fit to.

Know demonstration as Fig. 6, the outlet of filter 230 is fixed on the inlet 221 of pump 220 in a fluid tight manner.For this reason, the outlet of filter 230 preferably includes the end 237 (seeing Fig. 3 and 13) corresponding to the inlet 221 of pump 220.More specifically, end 237 is preferably in the interior pipeline 238 (seeing Figure 12 and 13) by plastic material of filter extends, and also reduces the suction point of pump 220 by filter 230 as far as possible with the inlet 221 that extends pump, so that the possibility that the minimizing petrolift does not pour into.End 237 has the interior part corresponding to the inlet 221 of petrolift 220.Therefore filter 230 can be by on the inlet 221 that simply grips petrolift 220.Make support 234 and end 237 preferably plastic material, preferred polyformaldehyde (POM).

Passage 238 is preferably L shaped.Therefore comprise two orthogonal parts, part 239 and end 237 coaxial extensions, another part 240 and part 239 quadratures.Two parts 239,240 interconnect.Part 240 is communicated with the inner space of filter jacket 232.

End 237 does not preferably connect support 234.Therefore, can see by comparison diagram 6 and Figure 13, filter 230 can carry out bending by the zone line of distortion between end 237 and support 234, so that the geometric configuration of filter is fit to surrounding environment, and makes the lower surface of filter 230 lean against the bottom of Fuel Tank.The suction point that helps like this making petrolift pass through filter is low as far as possible.

Second assembly 200 preferably also comprises the strut member 250 of motor-drive pump 220.Strut member 250 preferably includes cylinder or inner ring surface 252, and the inside that its internal diameter is a bit larger tham motor-drive pump 220 overcoats is provided with a plurality of interior longitudinal ribs 254, and rib is equidistantly arranged around axis.Therefore, be preferably in anchor ring 252 the inside face equal intervals three longitudinal ribs 254 are set.Each rib 254 preferably has half-cylindrical cross section.The base portion of this outer rib 254 from the outstanding height of the inside face of anchor ring 252 towards anchor ring 252 increases gradually, when petrolift 200 is put into the appropriate location of anchor ring 252, produce force fit between petrolift 220 and the anchor ring 252, wherein petrolift 220 is by clamp-oning or crimping is fixed to aforementioned rib 254.Two

tubular portions

257 and 258 also to be set on the outside face of anchor ring 252, can hold the bottom of

link member

310 and 320 respectively.

The anchor ring 252 that the housing of motor-drive pump 220 is held in formation preferably also comprises, is positioned at the structure of the motor-drive pump fixed 220 of base portion.Therefore, arm 260 preferably has the form of cylinder section, begins to extend from the overcoat part of anchor ring 252.The bottom of arm 260 is provided with radially towards the finger 262 of the axis of anchor ring 252.Show that as Fig. 6 is clear finger 262 is crossed the outline line that anchor ring 252 is positioned at the hole of base portion midway in extension, can be used as the axial docking section of the main body of motor-drive pump 220.More specifically, the thickness of this finger 262 can make its radial inner end be clipped between the lower wall and end 237 of motor-drive pump 220, prevents that motor-drive pump 220 from moving axially on anchor ring 252.

In addition, finger 262 preferably is provided with projection or the tooth that axially is positioned at anchor ring 252.The corresponding recess centering that this projection or tooth can make the base portion of pump 220 form avoids pump 220 to rotate in anchor ring 252.Comprise anchor ring 252, rib 254, arm 260, the assembly of finger 262 and tooth are preferably whole to be formed, the molded plastic structure spare that becomes one, the most handy polyformaldehyde (POM) is made.

According to the embodiment among Fig. 1 to 13, the 3rd assembly 300 provides the connection between connecting element 100 and the pump assembly 300, and it comprises two tube-like pieces 310,320.More specifically, according to the embodiment shown in Fig. 1 to 13, tube-like piece 310,320 is formed by the metal tube of bending.Pipe 310,320 is bent to form about hexagonal angle in a preferred embodiment.310, the 320 best extensions parallel to each other of two pipes, its upper end engage (see figure 5) with tubular portion 141 that is arranged on lower house 130 base portions and similar parallel pipe part 141` respectively, and pipe 141` also is arranged on the base portion of lower house 130.Should be noted that in a preferred embodiment of the invention being arranged on two link members 320 between the assembly 100,200 also has the function that fuel is passed through, particularly, is that the fuel that returns from pressure regulator 160 is passed through.Pipe 310 and 320 preferably remains on channel part 141 by simple crimping, among the 141`.Identical pipe 310,320 is equally by crimping or snap engagement with remain on

tubular portion

257 and 258, and tubular portion is connected to pump supporting anchor ring 252.

Tubulose link member 310,320 preferably is provided with the benchmark projection 313,323 along its length.These benchmark projections 313,323 can be used for the position of control link spare 310,320.Usually, at least one benchmark projection 313,323 can a relative cooresponding tubulose receiving element 141,141` or 257,258.

Suitably, the anchor ring 252 that holds petrolift 220 can prevent from least one link member 310,320 to move by suitable mechanism.Toothed lock washer preferably is set or encircles 330, as specifically showing among Fig. 1.In a kind of known native mode, the neighboring of lock washer is supported on

tubular portion

257 and 258, the end periphery of the tooth elastic joint link member 310,320 on the inside circumference.Can find out that in the accompanying drawings after an embodiment installed, the parallel axes of petrolift 220 was in the bevelled bottom of link member 310,320.

The path that fuel flows schematically shows in Figure 17.After passing through inlet filter 230, fuel is discharged by petrolift outlet and boiler check valve 222 under pressure by petrolift 220 suction, arrives the inlet of filter chamber 128 through passage 210 and 134,135.Fuel radially inwardly towards the internal flow of filter 150, arrives jetting manifold by managing 129 and 180, with reference to Figure 17 then.When the threshold value that the pressure of fuel is set above regulating control 160, unnecessary fuel turns back to pipe 182.From managing 182 inlets through

pipe

127 and 132 arrival regulating controls 160.Cylinder 137 and link member 320 by regulating control and process passage 141 flow out again.

Certainly, the invention is not restricted to these certain embodiments of by the agency of, but cover variation or the improvement of carrying out according to the spirit and scope of attached claim qualification comprehensively.

Particularly, shown in Figure 14 and 15, link member 310,320 can be various embodiment, the target of shape and size.In Figure 14 and 15, link member 310`, 320` is molded plastic structure preferably, and preferably polyformaldehyde (POM) is made.

More specifically, the link member 310` among Figure 14 and Figure 15,320` has the form at right angle.Comprise superposed hollow tube 314,324 and the

straight line portion

315 and 325 that extends in the bottom respectively.Link member can be straight, with the angular bend of any hope, to adapt to bigger field of application.

Pipe 314,324 is press fit into the tubular portion 141 of the lower house 130 of first assembly 100,141`.Be rigidly connected plate or support 316,326 is connected to pipe 314,324 the base portion and the near-end of straight line portion 315,325.Straight line portion is preferably formed as the guiding piece with guide groove or guide rail form, and fuel is flowed one of therein.For this reason, the guide groove that forms on relative with 327 described 315,325 of the hole 317 on the base portion of part 314,324.

Part 315 is provided with end 318,328 with 325 ends in relative pipe 314,324, can cooperate with the tubular portion 257,258 of housing 252.These parts 318,328 preferably include the structure 319,329 of anchor clamps form, form two flexure strips at its free end, can fix described 315,325 by clamping tubular part 257,258.

Claims

1. the fuel transmission component of an automobile, it comprises:

First assembly, formation can be fixed on the connecting element on the fuel-tank wall, and is provided with at least one annex and at least two tube portions;

Second assembly comprises electro-motor petrolift and at least two tubular portions; With

The 3rd assembly, comprise at least two interchangeable link members, respectively by being fixed on described first assembly at the force fit between link member and the tube portion and, making described first assembly support described second assembly by being fixed on described second assembly at the force fit between link member and the tubular portion.

2. fuel transmission component according to claim 1 is characterized in that, at least one described link member is tubulose and hollow, allows fuel therefrom to flow through.

3. fuel transmission component according to claim 1 is characterized in that described annex is a fuel filter, in fuel pressure regulator and the fuel level sensor at least one.

4. fuel transmission component according to claim 1 is characterized in that, described first assembly comprises two corresponding shell, can form filter chamber.

5. fuel transmission component according to claim 1 is characterized in that, whole at least one passage that forms of described first assembly, and the fuel of discharging from petrolift flows through described passage.

6. fuel transmission component according to claim 1 is characterized in that, described annex is the fuel filter that snaps on described first assembly.

7. fuel transmission component according to claim 1 is characterized in that, described first assembly is made with polyformaldehyde.

8. fuel transmission component according to claim 1, it is characterized in that described annex is an annular filter, be arranged in the chamber that described first assembly forms, described chamber has exit passageway that is communicated with described filter center and the access road that is communicated with described filter periphery.

9. fuel transmission component according to claim 1 is characterized in that, described first assembly forms a housing, is used to hold a pressure regulator.

10. fuel transmission component according to claim 9 is characterized in that, described first assembly forms two concentric passages, and one is communicated with the inlet of described pressure regulator, and another is communicated with the outlet of pressure regulator.

11. fuel transmission component according to claim 1 is characterized in that, described first assembly forms two coaxial passages being separated by wall and becomes one with described connecting element.

12. fuel transmission component according to claim 1 is characterized in that, described fuel transmission component also comprises the inlet filter that is provided with inner support, and is subjected to the support of described petrolift.

13. fuel transmission component according to claim 12 is characterized in that, described inlet filter comprises the end of plastic material, can be contained in and extend the inlet of described petrolift.

14. fuel transmission component according to claim 13 is characterized in that, described end is integrally formed with described filter, comprises having L shaped passage.

15. fuel transmission component according to claim 13 is characterized in that, described inlet filter is connected to described petrolift, is positioned at the position of opening with described spacer support frame, is beneficial to described inlet filter bending.

16. fuel transmission component according to claim 1 is characterized in that, described second assembly comprises annular casing, can hold described petrolift.

17. fuel transmission component according to claim 16 is characterized in that, the described annular casing that can hold described petrolift comprises the longitudinal rib on the inside face, can with described petrolift force fit.

18. fuel transmission component according to claim 1 is characterized in that, described second assembly comprises the housing that is provided with the elongated tubular product such part, and described tubular portion can hold the coupling end of described link member, to connect described second assembly and the 3rd assembly.

19. fuel transmission component according to claim 1 is characterized in that, described second assembly comprises the housing that can hold described petrolift, also comprises arm, and its last branch forms the following axial docking section of described petrolift.

20. fuel transmission component according to claim 19, it is characterized in that, described fuel transmission component also comprises the fuel filter by described petrolift supporting, the part of described arm forms the axial docking section of described petrolift, described docking section is clipped between described petrolift and the described filter, to prevent moving axially of described petrolift.

21. fuel transmission component according to claim 19 is characterized in that, the part of described arm that forms the axial docking section of described motor-drive pump comprises tooth portion, can engage the counterpart of described motor-drive pump, prevents its rotation.

22. fuel transmission component according to claim 1 is characterized in that, described link member comprises the benchmark projection, and limiting rod spare is inserted in one of them described tube portion or the tubular portion.

23. fuel transmission component according to claim 1 is characterized in that, described link member has the bottom of groove shape, is used to guide fuel.

24. fuel transmission component according to claim 1 is characterized in that, described fuel transmission component comprises that at least one is connected to the lock washer of the described link member and second assembly, moves relative to described second assembly to prevent described link member.

25. fuel transmission component according to claim 1 is characterized in that, described link member comprises anchor clamps, can connect described link member to described second assembly.