CN1991160A - Fuel pump module - Google Patents
Fuel pump module Download PDFInfo
- Publication number
- CN1991160A CN1991160A CNA2006101711129A CN200610171112A CN1991160A CN 1991160 A CN1991160 A CN 1991160A CN A2006101711129 A CNA2006101711129 A CN A2006101711129A CN 200610171112 A CN200610171112 A CN 200610171112A CN 1991160 A CN1991160 A CN 1991160A
- Authority
- CN
- China
- Prior art keywords
- aforementioned
- fuel
- impeller
- box body
- fuel pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 93
- 239000002828 fuel tank Substances 0.000 claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
- F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
-
- 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
- F02M37/14—Feeding by means of driven pumps the pumps being combined with other apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0027—Varying behaviour or the very pump
- F04D15/005—Varying behaviour or the very pump the pumps being of the circumferential flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D5/00—Pumps with circumferential or transverse flow
- F04D5/002—Regenerative pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A fuel pump module is provided in which a fuel passage is shortened, the loss of pressure is inhibited and the whole module can be small-sized. The fuel pump module (1) is attached to a bottom plate of a fuel tank and is provided with a drive motor having an output shaft (6), an impeller (9) attached on the side of one end of the output shaft (6) and an on-demand pressure regulator (30) for controlling pressure generated in a fuel passage (19). An inlet (15) is provided on the side of a lower end of an upper case (4) forming the fuel pump module (1). The impeller (9) practices a counter flow system in which fuel is taken in from the side of the bottom plate of the fuel tank and is discharged from the side of the bottom plate of the fuel tank, and the on-demand pressure regulator (30) is arranged in a lower case (36) in the vicinity of the impeller (9). The upper case (4) and the lower case (36) are detachably connected by the fitting of a snap fitting (5) and a stopper (35).
Description
Technical field
The present invention relates to fuel pump components, particularly, relate to shorten fuel passage, suppress the pressure loss, simultaneously can be with the fuel pump components of whole component miniaturization.
Background technique
In the prior art, known, in the motro drivien petrolift in fuel pressure being delivered to fuel injection system etc., whole petrolift or whole basically petrolift are configured in structure in the fuel tank.
In patent documentation 1, disclosed a kind of vehicle motor driven fuel pump, wherein, petrolift is installed in the top board side of fuel tank, simultaneously, underpart at this petrolift is provided with suction port, by making the impeller rotation on the running shaft that is fixedly supported upon drive motor, fuel is drawn into the top, one side constitutes each parts lubricated of drive motor, and one side is discharged fuel from the exhaust port that is arranged on the petrolift upper end portion.
[patent documentation 1] spy opens the 2003-97375 communique
But, adopt the structure that petrolift is installed to the base plate side of fuel tank, fuel is taken out from the underside side of fuel tank sometimes.In this case, when the fuel pump structure that intactly adopts patent documentation 1 to be disclosed, the fuel that is necessary to be provided for once to be drawn into the petrolift top is discharged to outside fuel passage from the underside side of fuel tank.Thereby, exist such problem, that is, length necessitates with the fuel passage that the whole height of petrolift equates basically, and simultaneously, because the increase of structure member etc., petrolift is whole to maximize easily.
Summary of the invention
The purpose of this invention is to provide a kind of fuel pump components, this fuel pump components can solve above-mentioned problem, shortens fuel passage, suppresses the pressure loss, simultaneously can be with whole fuel pump components miniaturization.
In order to reach aforementioned purpose, first feature of the present invention is, fuel pump components is equipped with: be installed to fuel tank bottom, and the impeller that will be arranged on the bottom is the petrolift that vertical mode disposes with its running shaft, adjustment is from the on-demand pressure regulator of the pressure of the fuel of this petrolift discharge, in described fuel pump components, constitute aforementioned impeller according to the fuel that will flow into to the reflux type of the direction guiding opposite with its inflow direction, simultaneously, this fuel pump components is equipped with: the suction path that fuel is imported to the below of aforementioned impeller from the suction port of being located at the petrolift below, and the drain passageway that will lead to the aforementioned on-demand pressure regulator that is arranged on aforementioned petrolift below from the fuel that aforementioned impeller is discharged.
In addition, second feature of the present invention be, aforementioned impeller is installed in output shaft one distolateral of drive motor, and aforementioned on-demand pressure regulator is arranged near the exhaust port of aforementioned impeller.
And then, the 3rd feature of the present invention is, aforementioned fuel pump components is made of with the following side box body that holds aforementioned on-demand pressure regulator the side box body of going up cylindraceous that holds aforementioned drive motor and aforementioned impeller, aforementioned side box body and the aforementioned side box body detachable ground down formation of going up, on aforementioned down side box body, form snap-fit part, form the retainer that cooperates with aforementioned snap-fit part on the side box body on aforementioned as mating component.
According to first invention, because the impeller of force feed fuel is configured in the base plate side of fuel tank in the mode of adverse current, so, can shorten fuel passage significantly from the suction port of fuel to exhaust port.In addition, owing to need not long fuel passage, so, can reduce the pressure loss that is accompanied by flow path resistance, simultaneously, can be with the fuel pump components miniaturization.And then long fuel passage is corresponding with need not, and each structure member can be oversimplified and miniaturization.
According to second invention, owing to the on-demand pressure regulator can be configured in the underpart of petrolift, so, can be further with the fuel pump components miniaturization.
According to the 3rd invention, because last side box body and following side box body detachable, so the maintenance of the assembling of fuel pump components and on-demand pressure regulator and drive motor etc. becomes easy.In addition, do not use split type bonded blocks such as screw, can easily go up the dismounting of side box body and following side box body.
Description of drawings
Fig. 1 is the sectional view according to the fuel pump components of a kind of form of implementation of the present invention.
Fig. 2 is the sectional view according to the on-demand pressure regulator of form of implementation of the present invention.
Embodiment
Below, the preferred implementing form that present invention will be described in detail with reference to the accompanying.Fig. 1 is the sectional view according to the fuel pump components 1 of a kind of form of implementation of the present invention.Fuel pump components 1 is by the rotary driving force of drive motor gasoline in the fuel tank etc. to be sent to equipment in fuel injection system etc., in this form of implementation, be installed in the opening portion of the circular on the steel plate 12,13 that is arranged on the base plate that constitutes fuel tank, make that whole basically fuel pump components 1 is received.
Aforementioned fuel pump components 1 has side box body 4 and the following side box body 36 gone up cylindraceous with formation such as the resins of hard.Accommodate drive motor in the side box body 4 on aforementioned, described drive motor constitutes by being integral ground rotor rotated 8 and being configured in the aforementioned stator 7 of going up interior all sides of side box body 4 with output shaft 6.Support impeller 9 regularly in the underpart shown in the figure of aforementioned output shaft 6, by by supplying electric power, can drive aforementioned impeller 9 with being integral with rotational speed arbitrarily with being configured in the power supply terminal 3 that the aforementioned lid member of going up on the side box body 42 is provided with.In addition, power supply to aforementioned power supply terminal 3, obtain the external power that produces by on-vehicle battery etc. from the electrode 11 that is arranged on the fuel tank outside, by utilize have connector at two end part the distribution cable (not shown) will and former electrodes 11 form between the electrode 10 of one and the aforementioned power source terminal 3 and couple together.
The rotation that is accompanied by aforementioned impeller 9 drives, and is sent to impeller 9 from being arranged on the aforementioned fuel of going up suction port 15 suctions on the side box body 4 from oil circuit 16.Then, the fuel of discharging from aforementioned impeller 9 is pressed to oil storage portion 37 from exhaust port 18.That is, aforementioned impeller 9 is the reflux type that will discharge to the direction identical with an aforementioned side from the fuel that a side sucks, and aforementioned suction port 15 and oil circuit 16 become the suction path, and aforementioned tap hole 18 and oil storage portion 37 constitute drain passageways.
In addition, at the opposition side of the oil circuit 16 that clips aforementioned impeller 9, the oil circuit 17 be communicated with the holding space 23 of aforementioned rotor 8 is set, when aforementioned impeller 9 was driven in rotation, aforementioned holding space 23 was full of by fuel.Thereby, in the rotation of aforementioned impeller 9 drives,, carry out the lubricated of aforementioned rotor 8 grades by the fuel of aforementioned holding space 23 inside.
Between aforementioned oil storage portion 37 and fuel passage 19, for the pressure control that will occur in the aforementioned fuel passage 19 becomes appropriate value, the on-demand pressure regulator 30 of the configuration fuel flow rate that only supply is necessary.Be contained in the aforementioned time on-demand pressure regulator 30 in the side box body 36 by constituting: spherical valve 31 with the bottom, regularly supporting contact with this valve 31 spool and the pressure regulating member 33 of barrier film 32, give the spring 34 of the loading force that always this pressure regulating member 33 is pushed away on the top shown in the figure.And, aforementioned pressure regulating member 33, the pressure that produces in fuel passage 19 is boosted to the top shown in the figure by the loading force of aforementioned spring 34 when specified value is following.At this moment, aforementioned valve 31 does not contact with the wall of aforementioned oil storage portion 37 owing to boosted upward by aforementioned pressure regulating member 33, thereby aforementioned oil storage portion 37 is communicated with fuel passage 19.
On the other hand, when the pressure that puts on aforementioned fuel passage 19 surpasses aforementioned specified value, the loading force that surpasses aforementioned spring 34 by the pushing force that is applied to the pressure generation on the aforementioned barrier film 32, so, as shown in the drawing, aforementioned pressure regulating member 33 is pushed away under the below shown in the figure, and aforementioned valve 31 contacts with the wall of oil storage portion 37.By this, the connection of aforementioned oil storage portion 37 and fuel passage 19 is cut off, and temporarily stops the supply of fuel to fuel passage 19.In addition, when the pressure on being applied to fuel passage 19 turned back in the appropriate scope once more, valve 31 was opened by the loading force of spring 34, began the supply of fuel once more.Then, by force feed to aforementioned fuel passage 19 fuel by after the one-way valve 20, discharged from the exhaust port 22 that is formed on the retainer 21 that is used to connect aforementioned side box body 36 down and fuel hose.In addition, aforementioned one-way valve 20 is refluences of preventing fuel, keeps occurring in the safety check that the pressure in the later path of aforementioned exhaust port 22 is used.
In addition, the aforementioned side box body 4 of going up can carry out dismounting by snap fit features simply with following side box body 36.On aforementioned down side box body 36, form snap-fit part 5 as mating component in the cylindrical portions may of the private side of fuel tank.This snap-fit part 5 cooperates with the retainer 35 that is formed on aforementioned last side box body 4 peripheral parts, when one side with aforementioned snap-fit part 5 with respect to aforementioned down side box body 36 when peripheral direction expansion, one side will go up side box body 4 and be pressed into, position in regulation, aforementioned retainer cooperates, and the aforementioned side box body 4 of going up is combined with following side box body 36.Similarly, if since with aforementioned snap-fit part 5 to peripheral direction expansion, can unload from aforementioned downside casing 36 going up side box body 4, so, can not use bonded block such as screw to carry out the dismounting operation.
Fig. 2 can be applied to the sectional view according to the on-demand pressure regulator of the fuel pump components of a kind of form of implementation of the present invention.Can replace the aforementioned on-demand pressure regulator 30 of fuel pump components shown in Figure 11, use on-demand pressure regulator shown in Figure 2.On side body 41 on the on-demand pressure regulator 40, suction is set is discharged to oil circuit 51 in fuel injection system etc. by the oil circuit 50 of the fuel of drive motor force feed with fuel.Between aforementioned oil circuit 50 and oil circuit 51, comprise: the valve that is communicated with 43 that cuts off oil circuit 50 and oil storage portion 52, always give the spring 44 of the loading force that this valve 43 is pushed away under the below shown in the figure, clip the following side body 42 that barrier film 46 combines with aforementioned upward side body 41, the pressure regulating member 48 of spools 45 and the aforementioned barrier film 46 that contact with aforementioned valve 43 of supporting is regularly always given the spring 47 of the loading force that aforementioned pressure regulating member 48 is boosted to the top shown in the figure.
And, when the pressure that in oil circuit 51, produces when specified value is following, aforementioned pressure regulating member 48 is boosted to the top shown in the figure by the loading force of aforementioned spring 47.This is because set the loading force of aforementioned spring 47 bigger than the loading force of aforementioned spring 44, at this moment, because aforementioned valve 43 is boosted upward by aforementioned axis 45, do not contact, so aforementioned oil circuit 50 is communicated with oil storage portion 52 and oil circuit 51 with being formed on the aforementioned sealed department of going up on the side body 41 49.On the other hand, owing to set the loading force that surpasses aforementioned spring 47 when the pressure that puts on aforementioned oil circuit 51 surpasses aforementioned specified value, by the pushing force of the pressure generation that puts on aforementioned barrier film 46 for, so, aforementioned pressure regulating member 48 is pushed away under the below shown in the figure, and aforementioned valve 43 contacts with sealed department 49.
As mentioned above, according to fuel pump components of the present invention, owing to the impeller of force feed fuel is configured in the base plate side of fuel tank as the mode of adverse current, so, can shorten fuel passage from the suction port of fuel to exhaust port, simultaneously, owing in the time will importing to the underpart of fuel pump components, need not long fuel passage from the fuel that discharge the upper end portion of petrolift unit, so, can be with the fuel pump components miniaturization.In addition, owing to the on-demand pressure regulator can be configured in the underpart of fuel pump components, so, can be further with the fuel pump components miniaturization.
In addition, self-evident, form each parts of fuel pump components and the shape of fuel passage, the form of drive motor etc. and be not limited to above-mentioned form of implementation, can carry out various distortion.
Claims (3)
1. fuel pump components has: be installed to fuel tank the bottom, and the impeller that will be arranged on the bottom be petrolift that vertical mode disposes, adjust the on-demand pressure regulator of the pressure of the fuel of discharging from this petrolift with its running shaft, it is characterized in that,
Constitute aforementioned impeller according to the fuel that will flow into to the reflux type of the direction guiding opposite with its inflow direction, simultaneously, this fuel pump components is equipped with:
Fuel is imported to the suction path of the below of aforementioned impeller from the suction port of being located at petrolift below,
The drain passageway that will lead to the aforementioned on-demand pressure regulator that is arranged on aforementioned petrolift below from the fuel that aforementioned impeller is discharged.
2. fuel pump components as claimed in claim 1 is characterized in that,
Aforementioned impeller is installed in output shaft one distolateral of drive motor,
Aforementioned on-demand pressure regulator is arranged near the exhaust port of aforementioned impeller.
3. fuel pump components as claimed in claim 1 or 2 is characterized in that,
Aforementioned fuel pump components is made of with the following side box body that holds aforementioned on-demand pressure regulator the side box body of going up cylindraceous that holds aforementioned drive motor and aforementioned impeller,
Aforementioned side box body and the aforementioned side box body detachable ground down formation of going up,
On aforementioned side box body down, form snap-fit part as mating component,
Form the retainer that cooperates with the snap-fit part on aforementioned on the side box body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005377403 | 2005-12-28 | ||
| JP2005377403A JP4428573B2 (en) | 2005-12-28 | 2005-12-28 | Fuel pump module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1991160A true CN1991160A (en) | 2007-07-04 |
| CN100462546C CN100462546C (en) | 2009-02-18 |
Family
ID=37846088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101711129A Expired - Fee Related CN100462546C (en) | 2005-12-28 | 2006-12-22 | Fuel pump module |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1803926B1 (en) |
| JP (1) | JP4428573B2 (en) |
| CN (1) | CN100462546C (en) |
| ES (1) | ES2386454T3 (en) |
| MY (1) | MY149677A (en) |
| TW (1) | TW200726906A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104093967A (en) * | 2012-02-03 | 2014-10-08 | 本田技研工业株式会社 | Structure for attaching fuel pump to fuel tank |
| CN115217698A (en) * | 2021-04-16 | 2022-10-21 | 德尔福技术知识产权有限公司 | Fuel pump driven by electric motor |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010116793A (en) * | 2008-11-11 | 2010-05-27 | Mitsuba Corp | Fuel supply device |
| DE102010004614A1 (en) * | 2010-01-13 | 2011-07-14 | Emitec Gesellschaft für Emissionstechnologie mbH, 53797 | Tank arrangement and metering system for a reducing agent |
| JP7221121B2 (en) * | 2019-04-18 | 2023-02-13 | 愛三工業株式会社 | fuel supply |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH512671A (en) | 1969-05-28 | 1971-09-15 | Bosch Gmbh Robert | Hydraulic unit consisting of a pump and an electric motor |
| JPS60212668A (en) * | 1984-04-05 | 1985-10-24 | Nippon Denso Co Ltd | Motor fuel pump |
| US6068454A (en) * | 1998-04-06 | 2000-05-30 | Ford Motor Company | Fuel pump with helical impeller |
| CN1121551C (en) * | 1998-12-28 | 2003-09-17 | 三菱电机株式会社 | Electric fuel pump |
| US7306715B2 (en) * | 2002-08-05 | 2007-12-11 | Denso Corporation | Pump module |
| JP2004360678A (en) * | 2003-05-15 | 2004-12-24 | Denso Corp | Fuel pump |
| JP4948775B2 (en) | 2004-06-14 | 2012-06-06 | 愛三工業株式会社 | Fuel supply device |
-
2005
- 2005-12-28 JP JP2005377403A patent/JP4428573B2/en not_active Expired - Fee Related
-
2006
- 2006-11-01 TW TW095140457A patent/TW200726906A/en unknown
- 2006-12-22 MY MYPI20064761 patent/MY149677A/en unknown
- 2006-12-22 EP EP20060127014 patent/EP1803926B1/en not_active Expired - Fee Related
- 2006-12-22 CN CNB2006101711129A patent/CN100462546C/en not_active Expired - Fee Related
- 2006-12-22 ES ES06127014T patent/ES2386454T3/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104093967A (en) * | 2012-02-03 | 2014-10-08 | 本田技研工业株式会社 | Structure for attaching fuel pump to fuel tank |
| CN115217698A (en) * | 2021-04-16 | 2022-10-21 | 德尔福技术知识产权有限公司 | Fuel pump driven by electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007177702A (en) | 2007-07-12 |
| ES2386454T3 (en) | 2012-08-21 |
| MY149677A (en) | 2013-09-30 |
| TW200726906A (en) | 2007-07-16 |
| TWI314182B (en) | 2009-09-01 |
| JP4428573B2 (en) | 2010-03-10 |
| EP1803926B1 (en) | 2012-04-18 |
| CN100462546C (en) | 2009-02-18 |
| EP1803926A1 (en) | 2007-07-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |