CN101331310A - Fuel delivery module - Google Patents

Fuel delivery module Download PDF

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Publication number
CN101331310A
CN101331310A CNA200680047482XA CN200680047482A CN101331310A CN 101331310 A CN101331310 A CN 101331310A CN A200680047482X A CNA200680047482X A CN A200680047482XA CN 200680047482 A CN200680047482 A CN 200680047482A CN 101331310 A CN101331310 A CN 101331310A
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CN
China
Prior art keywords
fuel
oil
module
oil conservator
fuel tank
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Pending
Application number
CNA200680047482XA
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Chinese (zh)
Inventor
约翰·E·特罗克塞勒
布赖恩·琼斯
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Federal Mogul LLC
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Federal Mogul LLC
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Filing date
Publication date
Application filed by Federal Mogul LLC filed Critical Federal Mogul LLC
Publication of CN101331310A publication Critical patent/CN101331310A/en
Pending legal-status Critical Current

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Abstract

A fuel tank assembly (12) is provided for containing liquid fuel and supplying that fuel, upon demand, to an internal combustion engine. The assembly (12) includes a tank (14) in which is disposed a fuel pump module (18). The fuel pump module (18) includes a cup-like reservoir (34) which houses a fuel pump (46) and carries along its outer side wall (36) a fuel level sender unit (32). A float arm (60) extends pivotally from the fuel level sender (32) and swings up and down as the level of fuel in the tank (14) changes. The float arm (60) is pivotally supported on a carrier (58) attached to the side wall (36) of the reservoir (34). A sliding interface (62) is disposed along the side wall (36) of the reservoir (34) for slidably receiving and securing the carrier (58) along a captured alignment path. The fuel level sender (32) can be infinitely positioned in the longitudinal direction along the sliding interface (62) during assembly of the fuel pump module (18). The sliding interface (62) provides a more robust, more adaptable technique for positioning and fastening the fuel level sender (32) upon the reservoir (34).

Description

Fuel delivery module
The fork reference of related application
The application requires name to be called " the fuel level sender assembly that is used for fuel delivery module connects ", and sequence number is 60/727,150, and the applying date is the U.S. Provisional Application No. on October 14th, 2005.
Technical field
The present invention relates to a kind of fuel oil supply system of internal-combustion engine, more precisely, relate to a kind of fuel delivery module that the fuel level sender unit is installed that is dipped in the fuel tank that fuel oil is housed.
Background technique
Usually the vehicle fuel system comprises the fuel delivery module that is installed in the fuel tank, and this module comprises the oil conservator of the cup-shaped that is used to hold the limited amount fuel oil again.Fuel delivery internal-combustion engine in the fuel pump suction oil conservator in the oil conservator.Fuel oil in the fuel tank can add in the oil conservator again continuously.Yet when fuel level in the fuel tank descended, the oil of the limited amount in the oil conservator played certain buffer function around oil pump.Oil in fuel tank more after a little while, difficulty or running route tendency situation on one side can appear turning in automobile usually, at this moment oil conservator can guarantee to provide the fuel oil oil fuel feed pump of q.s.
Fuel delivery module also generally includes vapor vent valve and/or recirculating system and fuel liquid level induction floating drum and relevant electronic equipment.So when motor temporarily was in the oil starvation state, oil conservator was just as playing the effect that reserve fuel is provided for being centered around fuel pump container on every side, simultaneously also as the carrier that fuel level electronic sensor and hardware are installed.
By the fuel level sensor unit, fuel delivery module has the ability that detects and measure fuel level in the fuel tank.Typical fuel level sensor unit is attached on the oil conservator, comprises a float mechanism.Float mechanism is pivoted on the fuel level sensor assembly, and the buoyancy location based on float mechanism interacts with circuit, constitutes the measuring device of surveying fuel tank intermediate fuel oil oil level.
For many years, the method that the fuel level sensor unit is additional to oil conservator has become the focus of numerous concerns.Because oil conservator is by injection molding, thereby be injection molded into a self-locking mechanism usually with the fixing carriage of fuel level sender of the mode of buckle.Carriage is made up of the mounting structure of card type, and float mechanism is pivoted on the carriage.Yet the problem of buckle connecting mode technology is that it is confined to use the injection-moulding plastic oil conservator usually.Because the expensive and relative low productivity of machining tool, molding and forming are a kind of quite expensive moulding manufacture methods.Another shortcoming is that the carriage of fuel level sensor is single with respect to oil conservator, stationary positioned.That is to say that in case the snap fit position, carriage can not move or replaces relative to oil conservator.Like this, according to specific fuel tank, can influence monitoring quality that places the fuel delivery module in the fuel tank and the variation of introducing any operation module of fuel tank or module mounting type.
The application of some fuel delivery module has proposed oil conservator and has been made by aluminium or other metallic material.For example, for the fuel level sensor unit is appended to non-plastics---as the oil storage body of aluminium, because specific practical considerations, as manufacture cost or oil conservator properties of materials etc., thereby optionally method is very limited.Some prior aries disclose the method that metal frame is connected to aluminum reservoir with resistance welding.Thereby skeleton can comprise the carriage that is used to install fuel level sensor.This technology can allow carriage that to a certain degree change in location is arranged on module reservoir, but proof or problematic in the practice, because the conductivity and the oxidability of aluminium, the process of welding of aluminum is an extremely sensitive process.In addition, also need the variation characteristic of considering that welding process is intrinsic.
Therefore improved method on a kind of oil conservator that fuel level sensor is appended to fuel delivery module need be provided, allow sensor unit to have variable position with respect to modular oil conservator, and on the oil storage body applicable to any material, can be aluminium, plastics or other materials.
Summary of the invention
The present invention relates to a kind of fuel delivery module, it immerses in the fuel tank of receiving fluids fuel oil, is used for internal-combustion engine is arrived in the fuel delivery in the fuel tank, monitors the amount of fuel tank intermediate fuel oil simultaneously.Described fuel delivery module comprises: the oil conservator that defines the theoretic longitudinal axis.Described oil conservator has circumferential side wall, is used to isolate the fuel oil of limited amount in the fuel tank.Fuel pump is arranged in the described oil conservator, is used for forcing the fuel oil of having isolated to be input to internal-combustion engine from described oil conservator.Fuel level sender is used to measure the amount of fuel tank intermediate fuel oil.Described fuel level sender comprises carriage and the float arm that pivots and extend from carriage.The sliding contact surface of a longitudinal extension is arranged on the sidewall of described oil conservator, is used for along the ccontaining slidably and fixing described carriage in path of collimation.Described fuel level sender can be along the unconfined in the vertical location of this sliding contact surface in assembly process, and can be permanently affixed at the working position of expectation in follow-up using process.
The present invention has overcome the shortcoming and defect that exists in the prior art by taking shape in the sliding contact surface of oil conservator sidewall.The carriage of fuel level sensor slides by clamping and along sliding contact surface, up to the working position that expectation obtains.Then, by suitable technique for fixing, as adopting riveted and/or welding, in follow-up using process, carriage just can be fixed on the working position of expectation.
The invention also discloses a kind of tank assembly that is used for the required fuel oil of receiving fluids fuel oil and IC engine supply.This tank assembly comprises: be used for the fuel tank of receiving fluids fuel oil, be immersed in the oil conservator of described fuel tank, described oil conservator defines a theoretic longitudinal axis, and has circumferential side wall, is used for isolating the fuel oil of described fuel tank limited amount.Oil pump is arranged in the described oil conservator, is used for making the fuel oil that has separated to be transported to the internal-combustion engine from described oil conservator.Fuel level sender is measured the amount of described fuel tank intermediate fuel oil.Described fuel level sender comprises carriage and the float arm that pivots and extend from carriage.The improved sidewall of described oil conservator that is characterised in that has the sliding contact surface of longitudinal extension, is used for accepting and fix described carriage slidably along captured alignment.Therefore described fuel level sender can be along described sliding contact surface unconfined location on y direction in the process of assembling, and is permanently affixed at desired working position when follow-up working state.
And the present invention also comprises a kind of assembly method of fuel delivery module, and described fuel delivery module immerses in the fuel tank of receiving fluids fuel oil, is used for the supplying fuel from the fuel tank to the internal-combustion engine, monitors the amount of fuel tank intermediate fuel oil simultaneously.This assembly method comprises the steps: to provide a kind of oil conservator that defines the theoretic longitudinal axis, and has circumferential side wall, is used for isolating the fuel oil of described fuel tank limited amount.This method also is included in inserts an oil pump and attached fuel level sender in the described oil conservator on described oil conservator, is used to measure the amount of described fuel tank intermediate fuel oil.This method is characterised in that attached step comprises along the ccontaining slidably and fixing described fuel level sensor of the sliding contact surface of the clamping that is provided with on the sidewall of oil conservator.Stating fuel level sender can be along described sliding contact surface unlimited location on y direction, and is permanently affixed at desired working position when follow-up work user mode.
Therefore, the invention provides the solution of unsolved technical problem for a long time, fuel level sensor is additional on the oil conservator of fuel delivery module.No matter oil conservator is made by metal or plastic materials, and fuel level sensor can be with respect to the unconfined running fix of oil conservator, and be fixed on a certain position, and technology of the present invention is effectively, and is cheaply, general.
Description of drawings
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, and described in detail, enable to understand better function of the present invention, characteristics.
Fig. 1 is the cross section simplification view that has the tank assembly of fuel delivery module according to the present invention;
Fig. 2 is the exploded view that has the oil conservator of fuel level sensor parts according to of the present invention;
Fig. 3 is the view along 3-3 line among Fig. 1;
Fig. 4 is the front view according to the oil conservator of one embodiment of the present invention;
Fig. 5 is the plan view along the oil conservator of 5-5 line among Fig. 4;
Fig. 6 is the cross sectional view along the amplification of 6-6 line among Fig. 4, has shown along the position of the sliding contact surface of oil conservator sidewall;
Fig. 7 is the zoomed-in view along the zone of mark among Fig. 17;
Fig. 8 is the zoomed-in view in the zone of mark 8 among Fig. 3;
Fig. 9 is the front view that is used for the carriage of fuel level sensor, dots the float arm part;
Figure 10 is the left view of the carriage among Fig. 9;
Figure 11 is the sectional view along the carriage of 11-11 line among Fig. 9.
Embodiment
With reference to the accompanying drawings, wherein in a plurality of accompanying drawings identical or corresponding part indicate with identical figure notation.According to the present invention, tank assembly generally comes mark with 12.Tank assembly 12 is medium-sized fuel tanks, but its receiving fluids fuel oil, as gasoline, and the needed fuel oil of IC engine supply (not shown).Tank assembly 12 comprises by thin-walled, the fuel tank 14 that the parts of hollow are formed, and liquid fuel injects fuel tank by oil nozzle 16.Fuel pump module generally with 18 marks, is arranged in the fuel tank 14.Module 18 is immersed in the liquid fuel of fuel tank 14 fully, satisfies the fuel delivery demand of internal-combustion engine under certain pressure.Fuel pump module 18 is also monitored the quantity of fuel tank 14 intermediate fuel oils simultaneously.
Fuel pump module 18 comprises a hanger flange 20, and form fit ground seat is in the opening on fuel tank 14 tops.Hanger flange 20 plays the effect of a lid, connects fuel pump module 18 and fuel tank 14, and guides fluid (as fuel oil and discharge gas) inflow and flow out fuel tank.Oil outlet tube 22 with return tube 24 and outlet pipe 26, is erected on the hanger flange 20.Electric coupler 28 is as the connecting piece of hanger flange 20, by electric wire 30, to fuel pump and fuel level sensor 32 power supplies.The back is with more detailed description, and fuel level sensor 32 is as the fuel oil sniffer of measuring Fuel Oil Remaining in the fuel tank 14.
Fuel pump module 18 comprises oil conservator 34, and it defines a theoretic longitudinal axis A.During serviceability, longitudinal axis A is by vertically-guided, and is oriented in some applications.Though oil conservator shown in the figure 34 generally is a tubulose, this is its a kind of configuration, and oil conservator 34 can replace to almost any geometrical shape.Oil conservator 34 has the sidewall 36 of circumference, is used to isolate the fuel oil that limits quantity in the fuel tank.As shown in the Examples, sidewall 36 is open on its top 38, and it is by substrate 40 sealings in the bottom.Fuel oil around the oil conservator 34 within the fuel tank 14 flows into oil conservator 34 easily by its open-topped 38.In case the fuel level that fuel tank is 14 li drops to below the horizontal plane on its top 38, fuel oil can enter oil conservator 34 by lower side or bottom surface opening 42.Lower side opening 42 can dispose an one-way valve 44, flapper valve as shown in Figure 1.When the oil level around in the fuel tank was lower than top 38, one-way valve 44 stoped the segregate fuel oil of oil conservators 34 inside to flow out.Yet when as long as the pressure reduction of the fuel oil of the inside of oil conservator 34 is surpassed by the fuel oil around the oil conservator 34, one-way valve 44 is opened automatically, with allow fuel oil from around fuel tank 14 flow into oil conservator 34.In unshowned interchangeable structure, the one-way valve 44 and/or the opening 42 that are positioned at substrate 40 can be positioned on the sidewall 36.
Oil pump 46 in Fig. 3 is arranged in the oil conservator 34.Oil pump 46 is used for forcing the fuel delivery of having isolated in the oil conservator 34 to internal-combustion engine.Any oil pump is all applicable to the application among the application.Oil pump 46 is electrically driven (operated) monitoring devices, by electric coupler 28 energisings.A suction filter 48 is passed through fuel oil suction oil pump 46 in the suction side of oil pump 46.Though the suction filter 48 shown in Fig. 3 is arranged in oil conservator 34 inside, suction filter 48 also can be installed in the outside of oil conservator 34, and is relative with opening 42.The high pressure side of oil pump or outlet side are connected with oil outlet tube 22 by flexible pipe 50.
Substrate 40 configurable a plurality of footing 52 that close with bottom connection fuel tank 14 of oil conservator 34.Pressure spring 54 effectively stretches between hanger flange 20 and oil conservator 34, is in the working position in the fuel tank to guarantee fuel pump module 18.Guide rod 56 passes pressure spring 54 and extends, and lives to prevent snak link, and being rigidly connected between hanger flange 20 and the oil conservator 34 is provided.Guide rod 56 telescopically between the corresponding ccontaining fixed block (figure does not show) of oil conservator 34 slides.Therefore, pressure spring 54 presses footing 52 against fuel tank 14 bottom surfaces, together with in the location at flange 20 places, guarantees that fuel pump module 18 is in the tram in the fuel tank 14.
As previously mentioned, fuel level sensor 32 is used to measure the amount of fuel in the fuel tank.With reference now to Fig. 2,, shown in fuel level sensor 32 comprise carriage 58 and the float arm 60 that pivots and extend from carriage 58.A longitudinal extension sliding contact surface 62 is positioned at the outer surface of the sidewall 36 of oil conservator 34, is used for slidably accepting and guaranteeing the path slip of carriage 58 edge collimations.In other words, sliding contact surface 62 has been set up a controlled path, and carriage 58 can be moved in running through the scope of whole lengthwise position with respect to sidewall 36.In assembly process, fuel level sensor 32 can longitudinally be located arbitrarily along sliding contact surface 62, then is permanently affixed at the working position of expectation in follow-up using process.
As shown in the figure, oil conservator 34 is preferably by plastics or aluminium extruding and moulding, cylindrical tube normally between top 38 and substrate 40.The circular cross-section of oil conservator 34 is by a pair of relative flange 64 blocking-up, and this relative flange 64 is isolated by a groove 66.Present embodiment flange 64 is separated each other, and along the parallel extension of longitudinal axis A.Each flange 64 has the outer surface 68 phase coplanes of outer surface 68 and relative flange.
Sliding contact surface 62 shown in the figure has only been represented one embodiment of the present invention.The technology that changes based on the machinery of general conception of the present invention all can obtain same effect.For example, oil conservator 34 can be by other non-extruding-out process manufacturing, and as injection moulding, the sliding contact surface 62 only length along oil conservator of part extends.Just because of the sidewall 36 of oil conservator 34 can change different geometrical shapies, being suitable for specific application or creating conditions, sliding contact surface 62 same can not breaking away under the principle of the present invention shown in the figure can be made various modifications or conversion.
Preferred embodiment as shown in Figure 2, flange 64 is provided with a pair of heading arranged side by side (upset) 70, produces a little cross section deformation towards the inside of groove 66.If sidewall 36 is crushed to by aluminium or other malleable materials, heading 70 preferably can crimping or impact style shape.Yet if sidewall 36 is made by plastics or other temperature-sensitive materials, heading 70 preferably can produce by hot melt.Certainly, the other technologies of heading 70 also are feasible on the manufacturing flange.
Again with reference to figure 1 and fuel level sensor 32 shown in Figure 3, carriage 58 by with the interaction of flange 64, be suitable for being complementary with sliding contact surface 62.Groove 66 has been determined the glade plane space with respect to sidewall 36.Float arm 60 pivots from carriage 58 and extends, and supports its terminal floating drum 72.Being fixed on circuit on the carriage 58 and float arm 60 interacts to measure being pivoted relative to each other that present position by floating drum 72 causes.Circuit preferably is integrated on the body of carriage 58.One preferred, but not necessarily among the embodiment, the pivot journal 74 of float arm 60 is located on the carriage 58.This better shows in Fig. 9-11.
The longitudinal edge of carriage 58 has been formed guide groove 76.Shown in Fig. 9-11, guide groove 76 can be formed by continuous element, also can be made of the fragment 78 that replaces.Carriage 58 slidably matches with surface of contact 62 by its guide groove 76, and guide groove 76 is stuck on the corresponding flange 64.Therefore, fragment 78 is foremost slided along the face 68 of flange 64, yet rearmost fragment 78 acts on the back of flange, near groove 66.Carriage 58 can slide along sliding contact surface 62 freely, is movable to the position of heading 70 always.In case carriage 58 arrives its final position with respect to heading 70, will guarantee to arrive predetermined steady job position.For prevent that carriage 58 from deviating from from sliding contact surface 62, form other heading 80 on the flange 64, as shown in Figure 1.The method that produces heading 70,80 by the distortion of flange 64 can be bonded to the mode of flange 64 by the side margin of welding or other carriages 58 and replace.Another foreseeable being transformed to, the side of carriage 58 can be shaped to the fin of the longitudinal extension of single-piece, and flange 64 is modified into the guide barrel construction of the fin that is used for accepting the carriage both sides.In addition, sliding contact surface need not made by the structure of the longitudinal extension of two correspondences, and the structure of one-sided longitudinal extension also is feasible, as fin or guide groove, can replace aforementioned paired structure.
Therefore fuel level sensor 32 can move to any one in a plurality of predefined positions, and is mechanically anchored in this position by sliding contact surface 62.By adjustment the position of initial heading 70 is set, the operating position of fuel level sensor 32 can obtain optimal result.Problems of the prior art and as the sensitive question of method such as welding, solved by technological scheme along the sliding contact surface 62 additional oil level sensors 32 of the extension of oil conservator 34 outside moulding, therefore theme of the present invention provides a kind of more reliable, has more the fuel delivery module structure of applicability.
Press another aspect of the present invention, a kind of method of assembling fuel delivery module 18 is provided, this method comprises the steps: to provide oil conservator 34, described oil conservator defines theoretic longitudinal axis A, and has a circumferential side wall 36, be used for isolating described fuel tank 14 a certain amount of fuel oils, this method also is included in the described oil conservator 34 and inserts oil pump 46.This method also is included in attached fuel level sender 32 on the oil conservator 34, is used to measure described fuel tank 14 intermediate fuel oil amounts.The feature that this method is outstanding is in attached fuel level sender step, can accept slidably and fixing fuel level sender along the collimation sliding contact surface 62 of the sidewall 36 of being located at oil conservator 34, by this method, in the assembly process, fuel level sensor 36 can unconfinedly be located in the vertical along sliding contact surface 62, and is permanently affixed at desired working position when follow-up working state.
According to relevant legal standards, aforesaid the present invention is fully described, yet flesh and blood of the present invention is not limited to embodiment's description.Within the scope of the invention, making various modifications or conversion, is conspicuous for those skilled in the art, and therefore, the scope that requirement of the present invention protects by law is determined by following claim.

Claims (20)

1. a fuel delivery module in the fuel tank of its immersion receiving fluids fuel oil, is used for internal-combustion engine is arrived in the fuel delivery of fuel tank, monitors the amount of fuel in the fuel tank simultaneously, and described fuel delivery module comprises:
Oil conservator defines a theoretic longitudinal axis, and has circumferential side wall, is used to isolate quantitative fuel oil in the fuel tank;
Fuel pump is arranged in the described oil conservator, and the fuel oil that is used for having isolated is transported to internal-combustion engine from described oil conservator;
Fuel level sender is used for measuring the amount of fuel of fuel tank, and described fuel level sender comprises carriage, and
The sliding contact surface of longitudinal extension, be arranged at and be used on the described oil conservator sidewall accepting and fix described carriage slidably along captured alignment, thus in assembly process, described fuel level sender is freely located along sliding contact surface in the vertical, and in follow-up using process, for good and all be fixed on the working position of expectation.
2. module as claimed in claim 1 is characterized in that described carriage comprises opposite vertical side of the edge, and each described side margin has moulding guide groove thereon.
3. module as claimed in claim 2 is characterized in that, the outer surface of described oil conservator sidewall has a pair of relative flange, parallel to each other spaced apart of described flange, and extend in parallel along the described longitudinal axis.
4. module as claimed in claim 3 is characterized in that, has a heading on each described flange at least, is used to limit the slip thereon of described carriage.
5. module as claimed in claim 4 is characterized in that, described heading is included in the extrusion-deformation in the profile of described flange.
6. module as claimed in claim 4 is characterized in that, described heading is included in the welding region between each described flange and the described carriage opposed side edges.
7. module as claimed in claim 4 is characterized in that described sidewall comprises the portion of extruding.
8. module as claimed in claim 7 is characterized in that described housing is made by plastic materials.
9. a fuel delivery module as claimed in claim 7 is characterized in that, described oil conservator chamber is made by metallic material.
10. module as claimed in claim 7 is characterized in that, described sidewall is included in the groove of the longitudinal extension between the described relative flange.
11. module as claimed in claim 7 is characterized in that, described sidewall has the basic circular cross section that is except part between the flange.
12. module as claimed in claim 7 is characterized in that, described flange has the outer surface with the outer surface phase coplane of relative flange.
13. module as claimed in claim 1 is characterized in that, the circumferential side wall of described oil conservator is sealed by a base plate in the bottom.
14. module as claimed in claim 13 is characterized in that, described oil conservator comprises an one-way valve, is used to prevent that the fuel oil of having isolated from flowing out at described container, but allows liquid fuel to flow into described oil conservator from fuel tank on every side.
15. module as claimed in claim 14 is characterized in that, described one-way valve is positioned on the described base plate.
16. a tank assembly is used for the required fuel oil of receiving fluids fuel oil and IC engine supply, this assembly comprises:
The fuel tank that is used for the receiving fluids fuel oil;
Be immersed in the oil conservator of described fuel tank, described oil conservator defines the theoretic longitudinal axis, and has circumferential side wall, is used for isolating the quantitative fuel oil of described fuel tank;
Oil pump is positioned at described oil conservator, and the fuel oil that is used for having separated is transported to the internal-combustion engine from described oil conservator;
Fuel level sender is used for measuring the amount of fuel of described fuel tank, described fuel level sender comprise carriage and
The sliding contact surface of longitudinal extension, be arranged at and be used on the described oil conservator sidewall accepting and fix described carriage slidably along captured alignment, thus in assembly process, described fuel level sender is freely located along sliding contact surface in the vertical, and in follow-up using process, for good and all be fixed on the working position of expectation.
17. the assembly method of a fuel delivery module, described fuel delivery module immerses in the fuel tank of receiving fluids fuel oil, and fuel oil is provided from the fuel tank to the internal-combustion engine, monitors the amount of fuel in the fuel tank simultaneously, and this method comprises the steps:
The oil conservator that defines the theoretic longitudinal axis and have circumferential side wall is provided, is used for isolating the quantitative fuel oil of described fuel tank;
In described oil conservator, insert oil pump;
An attached fuel level sender on oil conservator is used for measuring the amount of fuel of described fuel tank; And
In the step of described attached fuel level sender, comprise along the collimation sliding contact surface of being located at the sidewall of oil conservator and accepting slidably and fixing fuel level sender, thus, in the assembly process, fuel level sensor can unconfinedly be located in the vertical along sliding contact surface, and is permanently affixed at desired working position when follow-up working state.
18. module as claimed in claim 17 is characterized in that, described attach step also is included in and forms at least one heading on the described sliding contact surface, is used to limit the slip thereon of described fuel level sensor.
19. module as claimed in claim 18 is characterized in that, the extrusion-deformation that the step of described formation heading is included in profile on the described sliding contact surface produces.
20. module as claimed in claim 18 is characterized in that, the step of described formation heading is produced by the welding in sliding contact surface zone.
CNA200680047482XA 2005-10-14 2006-10-12 Fuel delivery module Pending CN101331310A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US72715005P 2005-10-14 2005-10-14
US60/727,150 2005-10-14
US11/548,400 2006-10-11

Publications (1)

Publication Number Publication Date
CN101331310A true CN101331310A (en) 2008-12-24

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Application Number Title Priority Date Filing Date
CNA200680047482XA Pending CN101331310A (en) 2005-10-14 2006-10-12 Fuel delivery module

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103998761A (en) * 2011-12-22 2014-08-20 大陆汽车系统公司 Fuel pump module feed-line filter hose
CN105599595A (en) * 2014-10-10 2016-05-25 通用汽车环球科技运作有限责任公司 Fuel level sensor
CN108151833A (en) * 2018-02-09 2018-06-12 合肥邦立电子股份有限公司 A kind of integral type liquid level sensor with methanol pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103998761A (en) * 2011-12-22 2014-08-20 大陆汽车系统公司 Fuel pump module feed-line filter hose
CN105599595A (en) * 2014-10-10 2016-05-25 通用汽车环球科技运作有限责任公司 Fuel level sensor
CN108151833A (en) * 2018-02-09 2018-06-12 合肥邦立电子股份有限公司 A kind of integral type liquid level sensor with methanol pump

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Open date: 20081224