CN107288789B - Fuel pump, fuel tank and vehicle fuel feed system and vehicle fuel supply method - Google Patents
Fuel pump, fuel tank and vehicle fuel feed system and vehicle fuel supply method Download PDFInfo
- Publication number
- CN107288789B CN107288789B CN201610190476.5A CN201610190476A CN107288789B CN 107288789 B CN107288789 B CN 107288789B CN 201610190476 A CN201610190476 A CN 201610190476A CN 107288789 B CN107288789 B CN 107288789B
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- CN
- China
- Prior art keywords
- fuel
- oil
- shell
- pump
- armature
- 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.)
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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
-
- 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
- F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
- F02M37/0023—Valves in the fuel supply and return system
-
- 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
- F02M37/0047—Layout or arrangement of systems for feeding fuel
-
- 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
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
-
- 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
- F02M37/0076—Details of the fuel feeding system related to the fuel tank
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of fuel pumps, shell including being equipped with oil inlet, is contained in the intracorporal armature of shell and impeller, further includes set on the isolation board between impeller and armature, and it is formed in the first oil outlet below isolation board, fuel oil enters shell and is pumped out due to wheel rotation by oil outlet；The oil return opening and the second oil outlet being connected to enclosure interior, distance of the oil return opening relative to isolation board, the distance greater than the second oil outlet relative to isolation board are equipped in isolation board upper shell.The present invention also provides vehicle fuel feed systems and vehicle fuel supply method that a kind of fuel tank for being installed with the fuel pump and a kind of application have the fuel tank.Fuel pump of the present invention between impeller and armature by being arranged isolation board in shell, and pass through the setting of the first oil outlet and oil return opening and the second oil outlet, it can be while realizing cooling to fuel pump, also can avoid because in fuel oil impurity it is excessive due to make fuel pump that wear damage easily occur, there is good practicability.
Description
Technical field
The present invention relates to vehicle component technical field, in particular to a kind of fuel pump.Meanwhile the invention further relates to one kind
The fuel tank and a kind of application that are installed with the fuel pump have the vehicle fuel feed system of the fuel tank, and are based on the vehicle
The vehicle fuel supply method of fuel oil supply system.
Background technique
For existing vehicle fuel tank system in fuel feeding, gasoline in fuel tank is merely through entering fuel pump after coarse filtration
In-core is pumped into engine operation by the contorted fuel oil of pump core, while fuel oil can also play certain cooling effect to pump core.By
Different in fuel qualities used at present, there are impurity for the meeting being difficult to avoid that in fuel oil, thus existing pump oil mode is long-term
After work, it is easy to wear pump core internal structure because impurity is more, so that oil pump be caused to damage.
Summary of the invention
In view of this, the present invention is directed to propose a kind of fuel pump, to reduce while realizing that fuel oil is cooling to fuel pump
The probability of fuel pump generation wear damage.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of fuel pump, including shell are contained in the intracorporal armature of the shell, the impeller rotated by armature driving,
The oil inlet being formed on the shell, further includes:
Isolation board, the enclosure interior being set between the impeller and the armature, to be formed to the impeller and
The seal isolation of the armature；
First oil outlet is formed on the shell below the isolation board；Fuel oil enters the shell by the oil inlet
In vivo, it is pumped out due to the rotation of the impeller by the first oil outlet；
The oil return opening and the second oil outlet being connected to the enclosure interior, institute are equipped on the shell above the isolation board
Distance of the oil return opening relative to the isolation board is stated, the distance greater than second oil outlet relative to the isolation board.
Further, the oil return opening is set to the top of the shell.
Further, second oil outlet is disposed in proximity in the housing sidewall of the isolation board.
Compared with the existing technology, present invention has the advantage that
Fuel pump of the present invention is gone out by the way that isolation board is being arranged in shell between impeller and armature by first
The setting of hydraulic fluid port and oil return opening and the second oil outlet can make fuel oil through impeller-driven and by the first oil outlet in fuel pump pump oil
It is pumped directly to the high-grade filter device such as the fuel filter in downstream, and passes through the mistake in the filtered fuel oil of fuel filter
Amount part can then enter at armature through oil return opening, to cool down to armature.So that this fuel pump is being realized to fuel pump
It while interior armature is cooling, also can avoid because impurity excessively makes fuel pump that wear damage easily occur in fuel oil, and have good
Practicability.
Oil return opening setting is arranged in case top and the second oil outlet close to isolation board, and return flow oil can be improved to electricity
The cooling effect of pivot.
Another object of the present invention is to propose a kind of fuel tank comprising inside is formed with the cabinet of shoe cream room, in institute
It states in shoe cream room equipped with the upper fuel pump, is connected with pump tubing length on the first oil outlet of Yu Suoshu, on Yu Suoshu oil return opening
It is connected with oil return line.
Further, the upstream of the oil inlet of Yu Suoshu fuel pump is connected with filter.
Further, the flowline being connected to via pressure limiting valve with the shoe cream room is connected on the second oil outlet of Yu Suoshu
Road.
Fuel tank of the present invention can realize fuel pump pumping fuel by using fuel pump as described above
Meanwhile armature of fuel pump is cooled down using the high-grade filter device filtered fuel oil through fuel pump downstream, so as to
Existing fuel pump pumping mode is avoided to easily cause the deficiency of fuel pump wear damage, guarantee fuel pump uses the time, reduces combustion
Oil pump maintenance costs.
In oil inlet upstream, setting filter can be lowered into the impurity content in the fuel oil in fuel pump, to protect fuel oil
Pump.Pressure limiting valve is arranged on second oil outlet can avoid high pressure oil return to impact is brought in fuel tank, to guarantee fuel oil in fuel tank
The stabilization of state.
Another object of the present invention is to propose a kind of vehicle fuel feed system, which includes such as
The fuel tank positioned at the fuel tank downstream and the fuel filter that connect with the pump tubing length, and is connected to
The fuel oil in the fuel filter downstream sprays rail；On pipeline between the fuel filter and fuel oil spray rail, connection
There is the oil return delivery pipe being connected to the oil return line.
Meanwhile present invention also proposes a kind of vehicle fuel supplying parties based on vehicle fuel feed system as described above
Method, this method comprises:
A, it after fuel oil enters fuel pump by oil inlet in fuel tank, is driven through impeller and is pumped directly to fuel filter, and
Enter fuel oil after fuel filter and sprays rail；
B, the excess fuel after fuel filter is entered in fuel pump at armature by oil return delivery pipe and oil return line,
And it is back in fuel tank through oil outlet pipe.
Vehicle fuel feed system of the invention can avoid existing fuel pump pumping mode by using fuel tank as above
The deficiency of fuel pump wear damage is easily caused, to guarantee the use time of fuel pump, and fuel pump maintenance costs can be reduced.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of fuel pump described in the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of fuel tank described in the embodiment of the present invention two；
Fig. 3 is the structural schematic diagram of vehicle fuel feed system described in the embodiment of the present invention three；
Description of symbols:
1- shell, 2- armature, 3- impeller, 4- oil inlet, the first oil outlet of 5-, 6- oil return opening, the second oil outlet of 7-, 8- every
From plate, 9- cabinet, 10- fuel pump, 11- filter, 12- pressure limiting valve, 13- oil outlet pipe, 14- pump tubing length, 15- oil return pipe
Road, 16- fuel filter, 17- fuel oil spray rail.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment one
The present embodiment is related to a kind of fuel pump, and as shown in fig. 1, which includes shell 1, is formed on shell 1
Oil inlet 4 is provided with armature 2 in shell 1, and the impeller 3 of rotation is driven by armature 2, is additionally provided with first on shell 1
Oil outlet 5, the first oil outlet 5 correspond to the location arrangements of impeller 3, to enter shell 1 through oil inlet 4 under the driving of armature 2
In fuel oil can be pumped out under the action of impeller 3 by the first oil outlet 5.
Isolation board 8 is being additionally provided in shell 1 between impeller 3 and armature 2 in the present embodiment, and isolation board 8 can be realized pair
Seal isolation in shell 1 locating for impeller 3 and armature 2 between space, in specific setting, the outer edge of isolation board 8 is connected in
On the inner wall of shell 1, and then it is sealed using sealing structure between isolation board 8 and the power output shaft of armature 2, the sealing knot
Structure uses mechanical seal or other existing structures.
In the present embodiment as shown in fig. 1, space in shell 1 locating for armature 2 is corresponded on shell 1 to be additionally provided with back
Hydraulic fluid port 6 and the second oil outlet 7, wherein oil return opening 6 is arranged in the top of shell 1, and the second oil outlet 7 be then positioned close in every
On the side wall of shell 1 from plate 8.Except of course that position as described above is arranged, it can also be by oil return opening 6 and second in the present embodiment
Oil outlet 7 is respectively arranged at the other positions on shell 1, but need in setting so that oil outlet 6 between isolation board 8 at a distance from
Greater than the distance between the second oil outlet 7 and isolation board 8.
It is also respectively arranged with check valve at the first oil outlet 5 and oil return opening 6 in the present embodiment, to prevent returning for fuel oil
Stream.This fuel pump passes through the first oil outlet 5 and oil return by the way that isolation board 8 is being arranged in shell 1 between impeller 3 and armature 2
The setting of mouth 6 and the second oil outlet 7 can make fuel oil drive through impeller 3 and directly be pumped by the first oil outlet 5 in fuel pump pump oil
It send to the high-grade filter device such as the fuel filter in downstream, and passes through the excessive portion in the filtered fuel oil of fuel filter
It can then enter at armature 2 through oil return opening 6, to be cooled down to armature 2.Thus it may make that this fuel pump is cold to armature 2 in realization
But it while, also can avoid because impurity excessively makes fuel pump that wear damage easily occur in fuel oil, so that it is with practical well
Property.
Embodiment two
The present embodiment is related to a kind of fuel tank, as shown in Figure 2 comprising inside is formed with the cabinet 9 of shoe cream room, in the storage
It is provided with the fuel pump 10 as described in embodiment one in oil pocket, and is connected with pumping on the first oil outlet 5 of fuel pump 10
Pipeline 4, and oil return line 15 is connected on the oil return opening of fuel pump 10 6.
In the present embodiment as shown in Figure 2, it is also connected with filter 11 in the upstream of the oil inlet 4 of fuel pump 10, utilized
Filter 11 can be realized to the primary filter of the fuel oil entered in fuel pump 10, excessively cause fuel pump to avoid impurity in fuel oil
The wear damage of 10 inner impellers 3.It is also connected with oil outlet pipe 13 on the second oil outlet 7 of fuel pump 10 in the present embodiment, out
Oil pipe line 13 is connected with shoe cream room, and pressure limiting valve 12 is also equipped in oil outlet pipe 13, can by the setting of pressure limiting valve 12
The fuel oil oil pressure for avoiding being back in shoe cream room is excessively high, and affects to the stability of the fuel oil in shoe cream room.
This fuel tank can realize 10 pumping fuel of fuel pump by using the fuel pump 10 as described in embodiment one
Meanwhile the armature 2 in fuel pump 10 is carried out using the high-grade filter device filtered fuel oil through 10 downstream of fuel pump cold
But, to can avoid the deficiency that existing fuel pump pumping mode easily causes fuel pump wear damage, it can guarantee making for fuel pump
With the time, fuel pump maintenance costs are reduced, and there is good using effect.
Embodiment three
The present embodiment is related to a kind of vehicle fuel feed system, and as shown in Figure 3, which includes such as
Fuel tank described in embodiment two, and it is connected on pump tubing length 14 fuel filter 16 positioned at fuel tank downstream,
The downstream of fuel filter 16 is then further connected with fuel oil spray rail 17, and between fuel filter 16 and fuel oil spray rail 17
It is parallel with the oil return delivery pipe being connected with oil return line 15.
When in use, the fuel oil pumped through 10 impeller of fuel pump is directly entered fuel filter to this vehicle fuel feed system
16, and enter fuel oil after the filtering of fuel filter 16 and spray rail 17, for needed for cylinder, and through 16 mistake of fuel filter
The excess fuel for not entering fuel oil spray rail 17 after filter then passes through oil return delivery pipe and oil return line 15 is back in fuel pump 10
Armature 2 at, and by returning again to the shoe cream room of fuel tank after armature 2, thus to realize to the armature 2 of fuel pump 10
It is cooling.
This vehicle fuel feed system can avoid existing fuel pump by using the fuel tank as described in embodiment two
The deficiency for sending mode to easily cause fuel pump wear damage to guarantee the use time of fuel pump, and can reduce fuel pump maintenance and protect
Form this.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of fuel pump, including shell (1), the armature (2) being contained in the shell (1) are driven by the armature (2) and are revolved
The impeller (3) turned, the oil inlet (4) being formed on the shell (1), it is characterised in that:
Isolation board (8), the shell (1) being set between the impeller (3) and the armature (2) is internal, to be formed to institute
State the seal isolation of impeller (3) and the armature (2)；
First oil outlet (5) is formed on the shell (1) below the isolation board (8)；Fuel oil is entered by the oil inlet (4)
In to the shell (1), pumped out due to the rotation of the impeller (3) by the first oil outlet (5)；
The oil return opening (6) and second for being equipped on shell (1) above the isolation board (8) and being connected to inside the shell (1)
Oil outlet (7), distance of the oil return opening (6) relative to the isolation board (8), be greater than second oil outlet (7) relative to
The distance of the isolation board (8)；
When fuel pump (10) pump oil, the fuel oil drives through the impeller (3) and is directly pumped by first oil outlet (5)
To the filter device in downstream, and the excessive portion in the fuel oil through the filter device then enters through the oil return opening (6)
At the armature (2), to be cooled down to the armature (2).
2. fuel pump according to claim 1, it is characterised in that: the oil return opening (6) is set to the top of the shell (1)
Portion.
3. fuel pump according to claim 1 or 2, it is characterised in that: second oil outlet (7) is disposed in proximity to described
On the shell (1) side wall of isolation board (8).
4. a kind of fuel tank is formed with the cabinet (9) of shoe cream room including inside, it is characterised in that: be equipped in Yu Suoshu shoe cream room
Fuel pump (10) as claimed any one in claims 1 to 3；In being connected with pump tubing length on first oil outlet (5)
(14), oil return line (15) are connected on Yu Suoshu oil return opening (6).
5. fuel tank according to claim 4, it is characterised in that: the upstream of the oil inlet (4) of Yu Suoshu fuel pump (10)
It is connected with filter (11).
6. fuel tank according to claim 4 or 5, it is characterised in that: be connected on the second oil outlet of Yu Suoshu (7) via
Pressure limiting valve (12) and the oil outlet pipe (13) being connected to the shoe cream room.
7. a kind of vehicle fuel feed system, it is characterised in that: the vehicle fuel feed system includes such as claim 4 to 6
Any one of described in fuel tank, be located at the fuel tank downstream and the fuel filter that connect with the pump tubing length (14)
(16), and be connected to the fuel filter (16) downstream fuel oil spray rail (17)；In the fuel filter (16) and institute
It states on the pipeline between fuel oil spray rail (17), is connected with the oil return delivery pipe being connected to the oil return line (15).
8. a kind of vehicle fuel supply method is based on vehicle fuel feed system as claimed in claim 7, it is characterised in that should
Method includes:
A, it after fuel oil enters fuel pump by oil inlet in fuel tank, is driven through impeller and is pumped directly to fuel filter, and through firing
Enter fuel oil after oil rectifier and sprays rail；
B, the excess fuel after fuel filter is entered in fuel pump at armature by oil return delivery pipe and oil return line, and is passed through
Oil outlet pipe is back in fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190476.5A CN107288789B (en) | 2016-03-30 | 2016-03-30 | Fuel pump, fuel tank and vehicle fuel feed system and vehicle fuel supply method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190476.5A CN107288789B (en) | 2016-03-30 | 2016-03-30 | Fuel pump, fuel tank and vehicle fuel feed system and vehicle fuel supply method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107288789A CN107288789A (en) | 2017-10-24 |
| CN107288789B true CN107288789B (en) | 2019-08-30 |
Family
ID=60087715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610190476.5A Active CN107288789B (en) | 2016-03-30 | 2016-03-30 | Fuel pump, fuel tank and vehicle fuel feed system and vehicle fuel supply method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107288789B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100198399B1 (en) * | 1996-11-29 | 1999-06-15 | 전주범 | Rotor construction of revolution in hot water pump |
| JP3178372B2 (en) * | 1997-05-15 | 2001-06-18 | トヨタ自動車株式会社 | Fuel pump |
| JP2004190491A (en) * | 2002-12-06 | 2004-07-08 | Hitachi Unisia Automotive Ltd | Fuel feeding device |
| US6929449B2 (en) * | 2003-04-25 | 2005-08-16 | Electro-Motive Diesel, Inc. | Diesel engine water pump with improved oil control |
| DE10322464B4 (en) * | 2003-05-16 | 2012-05-03 | Ksb Ag | Canned motor pump |
| CN103670845A (en) * | 2013-10-24 | 2014-03-26 | 安徽工贸职业技术学院 | Wear-resistant fuel pump |
| CN205047334U (en) * | 2015-10-19 | 2016-02-24 | 天津哈那科技有限公司 | High durable electronic fuel pump |
-
2016
- 2016-03-30 CN CN201610190476.5A patent/CN107288789B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107288789A (en) | 2017-10-24 |
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