CN2381804Y - Brushless D. C. pump for fuel - Google Patents
Brushless D. C. pump for fuel Download PDFInfo
- Publication number
- CN2381804Y CN2381804Y CN 99236230 CN99236230U CN2381804Y CN 2381804 Y CN2381804 Y CN 2381804Y CN 99236230 CN99236230 CN 99236230 CN 99236230 U CN99236230 U CN 99236230U CN 2381804 Y CN2381804 Y CN 2381804Y
- Authority
- CN
- China
- Prior art keywords
- brushless
- utility
- cover plate
- model
- rotor
- 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.)
- Expired - Fee Related
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- Dc Machiner (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a brushless DC pump for fuel. The utility model is characterized in that the utility model comprises an inner rotor, and an outer rotor, wherein, the inner rotor is provided with an electronic commutator; the outer rotor is provided with a permanent magnet; the inner rotor is fixed without moving; a pump body which is driven by the outer rotor rotates by a connecting plate, and the outer rotor rotates around the inner rotor. The utility model has the advantages of high efficiency, reliable performance, high safety, simple maintenance, etc. The utility model is an ideal product for replacing the existing electric brush electrical pump for fuel, and the utility model can also be used for cleaning water pumps.
Description
The utility model relates to a kind of automotive electric injection engine accessory, particularly brushless DC electronic fuel pump.
The sub-fuel pump of existing car direct current, mainly by the pump housing, the permanent magnet motor of charged brush and shell are formed.During work, electric current rotates armature and internal rotor by being installed in the brushgear of shell, drives pump housing rotation, and flowing medium is sucked from import, and the motor-drive pump inside of flowing through extrudes from outlet again.There is following shortcoming in the pump of this structure:
1, because brush contacts with the armature of rotation and the brush commutator that has on the internal rotor, causes frictional resistance, reduced the output power of pump.
2, because the requirement of this body structure of motor, internal rotor has many axial grooves, and when flow of liquid during through rotor body, the sense of rotation of rotor and the flowing medium direction that flows becomes an angle of 90 degrees degree, because resistance produces unnecessary vortex phenomenon, further influence the output power of electric fuel punp.
3, owing to be installed in and on the armature of shell power up brush and rotation contacting of brush commutator arranged, not only sliding friction makes brush itself wear and tear, and must periodic maintenance change brush, and produce spark, for safety, fuel pump suction inlet place is mounted to fully and imbeds under the pasta usually.But in the pump housing and when depositing, the spark that energising produces might fire at a certain proportion of air and gasoline.
The purpose of this utility model be intended to overcome the deficiencies in the prior art and a kind of efficient height is provided, performance is safe and reliable, maintenance is simple, the brushless DC electronic fuel pump of long service life.
The purpose of this utility model is achieved in that
A kind of brushless DC electronic fuel pump, comprise shell (1), the pump housing (2) and dc brushless motor, it is characterized in that also comprising internal rotor (8) that electronic commutator (9) are installed and the external rotor (7) that permanent magnet is installed, internal rotor (8) maintains static, external rotor (9) drives the pump housing (2) rotation around internal rotor (8) rotation by connecting cover plate (5).
---an end of described connection cover plate (5) is supported on the bearing I I (6), and the other end supports by the axle sleeve with holes (11) that is bumped into outlet cover plate (12).
---described external rotor (7) can be connected with non-circle abnormity with the single-stage pump housing or the multistage pump housing by connecting cover plate (5).
---described internal rotor (8) is fixed on by axle sleeve with holes (11) on the outlet cover plate (12) of shell one end, and its power supply lead wire is to introduce electronic commutator (9) through the hole of shell and axle sleeve with holes (11).
The utility model is described in further detail below by drawings and Examples:
Fig. 1 is a structure sectional view of the present utility model.
Among Fig. 1,1 shell, 2 pump housings, 3 support cover plate, 4 bearing I, 5 connect cover plate, 6 bearing I I, 7 external rotors, 8 internal rotors, 9 electronic commutators, 10 bearing supports, 11 axle sleeves with holes, 12 outlet cover plates
Working principle of the present utility model is: power line is received on the electronic commutator of internal rotor by introducing in the hole of shell and axle sleeve with holes, makes internal rotor be subjected to electricity to produce magnetic field and produce running torque between inside and outside rotor.Because internal rotor is fixed on the outlet cover plate of shell one end by axle sleeve with holes, and can not rotate, running torque makes the external rotor that permanent magnet is housed rotate around internal rotor, by moving single-stage pump of connecting cover strip or multistage pump rotation work.
Main points of the present utility model are: use brushless DC motor, ro-tors in electrical is motionless, and the external rotor that permanent magnet is installed rotates around internal rotor by being fixed on the bearing on the axle, making the external rotor that permanent magnet is housed.External rotor itself can directly make pump housing rotation form single-stage pump by the connection cover plate of the band pump housing, perhaps drives multistage pump housing rotation by the center irregularly-shaped hole that connects cover plate again.
The utility model has the efficient height compared with prior art, dependable performance, and safety is safeguarded simply, the advantages such as long service life are a kind of ideal products that existing automobile has brush direct current drive fuel pump that substitutes. By partly carrying out antirust, waterproof insulation processing with fluid contact in the pump, also can be used for clarified water pump.
Claims (4)
1, a kind of brushless DC electronic fuel pump, comprise shell (1), the pump housing (2) and dc brushless motor, it is characterized in that also comprising internal rotor (8) that electronic commutator (9) are installed and the external rotor (7) that permanent magnet is installed, internal rotor (8) maintains static, external rotor (9) drives the pump housing (2) rotation around internal rotor (8) rotation by connecting cover plate (5).
2, brushless DC electronic fuel pump according to claim 1 is characterized in that an end that connects cover plate (5) is supported on the bearing I I (6), and the other end supports by the axle sleeve with holes (11) that is bumped into outlet cover plate (12).
3, brushless DC electronic fuel pump according to claim 1 is characterized in that external rotor (7) can be connected with non-circle abnormity with the single-stage pump housing or the multistage pump housing by connecting cover plate (5).
4, brushless DC electronic fuel pump according to claim 1, it is characterized in that internal rotor (8) is fixed on by axle sleeve with holes (11) on the outlet cover plate (12) of shell one end, its power supply lead wire is to introduce electronic commutator (9) through the hole of shell and axle sleeve with holes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99236230 CN2381804Y (en) | 1999-06-04 | 1999-06-04 | Brushless D. C. pump for fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99236230 CN2381804Y (en) | 1999-06-04 | 1999-06-04 | Brushless D. C. pump for fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2381804Y true CN2381804Y (en) | 2000-06-07 |
Family
ID=34024074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99236230 Expired - Fee Related CN2381804Y (en) | 1999-06-04 | 1999-06-04 | Brushless D. C. pump for fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2381804Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213151A (en) * | 2011-05-17 | 2011-10-12 | 遵义天义利威机电有限责任公司 | Controller of non-position sensor direct current brushless electric fuel pump for automobile |
| CN102434339A (en) * | 2011-12-05 | 2012-05-02 | 遵义天义利威机电有限责任公司 | Electric fuel pump of direct-current permanent magnet brushless car |
-
1999
- 1999-06-04 CN CN 99236230 patent/CN2381804Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213151A (en) * | 2011-05-17 | 2011-10-12 | 遵义天义利威机电有限责任公司 | Controller of non-position sensor direct current brushless electric fuel pump for automobile |
| CN102434339A (en) * | 2011-12-05 | 2012-05-02 | 遵义天义利威机电有限责任公司 | Electric fuel pump of direct-current permanent magnet brushless car |
| CN102434339B (en) * | 2011-12-05 | 2015-10-14 | 遵义天义利威机电有限责任公司 | A kind of electric fuel pump of direct-current permanent magnet brushless car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |