CN108730086A - A kind of fuel pump magnetic shoe and fuel pump - Google Patents
A kind of fuel pump magnetic shoe and fuel pump Download PDFInfo
- Publication number
- CN108730086A CN108730086A CN201810312454.0A CN201810312454A CN108730086A CN 108730086 A CN108730086 A CN 108730086A CN 201810312454 A CN201810312454 A CN 201810312454A CN 108730086 A CN108730086 A CN 108730086A
- Authority
- CN
- China
- Prior art keywords
- magnetic shoe
- fuel pump
- magnetic
- small
- present
- 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.)
- Pending
Links
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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The object of the present invention is to provide a kind of small, light-weight, magnetic strong fuel pump magnetic shoe and containing the fuel pump of the magnetic shoe, the magnetic shoe contains Pr in terms of quality %：24.5-25.5%, Nd：6-7.5%, Gd：1-1.5%, B：0.95-1%, Co：0.5-1.5%, Cu：0.15-0.25%, Al：0.5-1%, Ga：0.2-0.3%, Zr：0.15-0.25%；Remaining ratio is Fe and inevitable impurity.The fuel pump includes the fuel pump magnetic shoe.The present invention provides a kind of novel magnetic shoe materials, by actual verification, the unit volume magnetism of the magnetic shoe material has compared with prior art to be obviously improved, had the advantages that using magnetic shoe made of the material small, light-weight, magnetic strong, it is run at high speed in pump chamber stabilization using the fuel oil pump rotor of this magnetic shoe, shake that small, noise is small, performance improves, stable output power.
Description
Technical field
The invention belongs to fuel pump manufacturing technology fields, and in particular to a kind of fuel pump magnetic shoe and fuel pump.
Background technology
Automobile fuel pump is generally the pump housing and motor integrated structure, i.e. rotor is immersed in pump chamber together with impeller
Fluid in, the inner wall of pump chamber is equipped with motor magnetic tile.However, magnetic shoe in the prior art leads to it due to the limitation of material
The magnetism of unit volume is weaker, and rotor is not sufficiently stable when running at high speed in pump chamber magnetic field, and vibrating noise is larger, and output power is jumped
It is dynamic more serious.
Invention content
The object of the present invention is to provide a kind of small, light-weight, magnetic strong fuel pump magnetic shoe and contain the magnetic shoe
Fuel pump.
To achieve the above object, the present invention provides following technical schemes：A kind of fuel pump magnetic shoe is contained in terms of quality %
There is Pr：24.5-25.5%, Nd：6-7.5%, Gd：1-1.5%, B：0.95-1%, Co：0.5-1.5%, Cu：0.15-
0.25%, Al：0.5-1%, Ga：0.2-0.3%, Zr：0.15-0.25%；Remaining ratio is Fe and inevitable impurity.
Preferably, the weight percent of each component is：Pr：25%, Nd：7%, Gd：1%, B：1%, Co：1%,
Cu：0.2%, Al：1%, Ga：0.2%, Zr：0.2%；Remaining ratio is Fe and inevitable impurity.
Preferably, the center of curvature of magnetic shoe intrados is biased relative to the center of curvature of extrados to the direction far from magnetic shoe
A distance is arranged, and the section of magnetic shoe is made to form the thin structure in thick middle both ends.
Preferably, magnetic shoe extrados is equal with the radius of curvature of intrados.
A kind of fuel pump includes the fuel pump magnetic shoe.
The technical effects of the invention are that：The present invention provides a kind of novel magnetic shoe materials, by actual verification, the magnetic
The unit volume magnetism of watt material has compared with prior art to be obviously improved, and has volume using magnetic shoe made of the material
Small, light-weight, magnetic strong advantage is run at high speed stabilization using the fuel oil pump rotor of this magnetic shoe in pump chamber, shakes small, noise
Small, performance improves, stable output power.
Description of the drawings
Fig. 1 is the end view for the magnetic shoe that the embodiment of the present invention is provided；
Fig. 2 is the front view for the magnetic shoe that the embodiment of the present invention is provided.
Specific implementation mode
The present invention is described in detail below in conjunction with attached drawing.
Embodiment 1
A kind of fuel pump magnetic shoe contains Pr in terms of quality %：24.5%, Nd：6%, Gd：1%, B：0.95%, Co：
0.5%, Cu：0.15%, Al：0.5%, Ga：0.2%, Zr：0.15%；Remaining ratio is Fe and inevitable impurity.
Preferably, as shown in Figure 1, 2, the center of curvature of magnetic shoe intrados 2 relative to the center of curvature of extrados 1 to separate
The direction of magnetic shoe biases a distance setting, and the section of magnetic shoe is made to form the thin structure in thick middle both ends.Magnetic shoe extrados 1 with it is interior
The radius of curvature of cambered surface 2 is equal.
Magnetic shoe items characterisitic parameter in the present embodiment is as follows：Remanent magnetism 1170-1210mT；Coercivity >=868kA/m；It is intrinsic
Coercivity >=1353kA/m；Maximum magnetic energy product 263-287kj/m3。
Embodiment 2
The difference of the present embodiment and embodiment 1 is only the difference of magnetic shoe material each component content, each component in the present embodiment
Weight percent be：Pr：25%, Nd：7%, Gd：1%, B：1%, Co：1%, Cu：0.2%, Al：1%, Ga：0.2%,
Zr：0.2%；Remaining ratio is Fe and inevitable impurity.
Embodiment 3
A kind of fuel pump, including the fuel pump magnetic shoe described in embodiment 1 or 2.
The present invention provides a kind of novel magnetic shoe materials, and by actual verification, the unit volume of the magnetic shoe material is magnetic
Have compared with prior art and be obviously improved, is had using magnetic shoe made of the material small, light-weight, magnetic strong excellent
Point is run at high speed stabilization using the fuel oil pump rotor of this magnetic shoe in pump chamber, and vibrations are small, noise is small, and performance improves, output power
Stablize.Through examining, when common magnetic shoe pressure 3BAR, flow 60-80L/H, electric current 6.5A, magnetic shoe pressure 3BAR provided by the invention
When, flow is up to 90L/H or more, electric current 5.5A.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (5)
1. a kind of fuel pump magnetic shoe, it is characterised in that：In terms of quality %, contain Pr：24.5-25.5%, Nd：6-7.5%, Gd：
1-1.5%, B：0.95-1%, Co：0.5-1.5%, Cu：0.15-0.25%, Al：0.5-1%, Ga：0.2-0.3%, Zr：
0.15-0.25%；Remaining ratio is Fe and inevitable impurity.
2. fuel pump magnetic shoe according to claim 1, it is characterised in that：The weight percent of each component is：Pr：
25%, Nd：7%, Gd：1%, B：1%, Co：1%, Cu：0.2%, Al：1%, Ga：0.2%, Zr：0.2%；Remaining ratio is
Fe and inevitable impurity.
3. fuel pump magnetic shoe according to claim 1, it is characterised in that：The center of curvature of magnetic shoe intrados is relative to outer arc
The center of curvature in face biases a distance setting to the direction far from magnetic shoe, and the section of magnetic shoe is made to form the thin knot in thick middle both ends
Structure.
4. fuel pump magnetic shoe according to claim 3, it is characterised in that：The radius of curvature phase of magnetic shoe extrados and intrados
Deng.
5. a kind of fuel pump, it is characterised in that：Including the fuel pump magnetic shoe described in Claims 1-4 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810312454.0A CN108730086A (en) | 2018-04-09 | 2018-04-09 | A kind of fuel pump magnetic shoe and fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810312454.0A CN108730086A (en) | 2018-04-09 | 2018-04-09 | A kind of fuel pump magnetic shoe and fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108730086A true CN108730086A (en) | 2018-11-02 |
Family
ID=63941262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810312454.0A Pending CN108730086A (en) | 2018-04-09 | 2018-04-09 | A kind of fuel pump magnetic shoe and fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108730086A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957091A (en) * | 2019-11-21 | 2020-04-03 | 厦门钨业股份有限公司 | Neodymium-iron-boron magnet material, raw material composition, preparation method and application |
| EP4016560A4 (en) * | 2019-12-09 | 2022-10-12 | Fujian Changting Golden Dragon Rare-Earth Co., Ltd. | R-t-b series permanent magnet material, raw material composition, preparation method and application |
| EP4016557A4 (en) * | 2019-11-21 | 2022-10-12 | Fujian Changting Golden Dragon Rare-Earth Co., Ltd. | Neodymium-iron-boron magnet material, raw material composition, preparation method therefor and use thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990525Y (en) * | 2006-11-28 | 2007-12-12 | 许晓华 | Magnetic shoe for low-speed electric machine |
| JP2011092006A (en) * | 2011-02-04 | 2011-05-06 | Mitsubishi Electric Corp | Rotor of synchronous motor, electric motor for air blower, air conditioner, pump, and water heater |
| CN201937344U (en) * | 2011-02-01 | 2011-08-17 | 韩金红 | Motor for petrol pump |
| CN102280240A (en) * | 2011-08-23 | 2011-12-14 | 南京理工大学 | Method for preparing sintered NdFeB with low dysprosium content and high performance |
-
2018
- 2018-04-09 CN CN201810312454.0A patent/CN108730086A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990525Y (en) * | 2006-11-28 | 2007-12-12 | 许晓华 | Magnetic shoe for low-speed electric machine |
| CN201937344U (en) * | 2011-02-01 | 2011-08-17 | 韩金红 | Motor for petrol pump |
| JP2011092006A (en) * | 2011-02-04 | 2011-05-06 | Mitsubishi Electric Corp | Rotor of synchronous motor, electric motor for air blower, air conditioner, pump, and water heater |
| CN102280240A (en) * | 2011-08-23 | 2011-12-14 | 南京理工大学 | Method for preparing sintered NdFeB with low dysprosium content and high performance |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957091A (en) * | 2019-11-21 | 2020-04-03 | 厦门钨业股份有限公司 | Neodymium-iron-boron magnet material, raw material composition, preparation method and application |
| KR20220042195A (en) * | 2019-11-21 | 2022-04-04 | 시아멘 텅스텐 코., 엘티디. | Neodymium iron boron magnetic material, raw material composition, manufacturing method and application |
| EP4016559A4 (en) * | 2019-11-21 | 2022-10-12 | Fujian Changting Golden Dragon Rare-Earth Co., Ltd. | Neodymium-iron-boron magnet material, raw material composition, preparation method therefor and use thereof |
| EP4016557A4 (en) * | 2019-11-21 | 2022-10-12 | Fujian Changting Golden Dragon Rare-Earth Co., Ltd. | Neodymium-iron-boron magnet material, raw material composition, preparation method therefor and use thereof |
| KR102574303B1 (en) * | 2019-11-21 | 2023-09-01 | 푸젠 창팅 골든 드래곤 레어-어스 컴퍼니 리미티드 | Neodymium iron boron magnetic material, raw material composition and manufacturing method and application |
| EP4016560A4 (en) * | 2019-12-09 | 2022-10-12 | Fujian Changting Golden Dragon Rare-Earth Co., Ltd. | R-t-b series permanent magnet material, raw material composition, preparation method and application |
| JP2022543493A (en) * | 2019-12-09 | 2022-10-12 | フージャン チャンティン ゴールデン ドラゴン レア－アース カンパニー リミテッド | RTB Permanent Magnet Material, Raw Material Composition, Manufacturing Method, and Application |
| JP7214044B2 (en) | 2019-12-09 | 2023-01-27 | フージャン チャンティン ゴールデン ドラゴン レア－アース カンパニー リミテッド | RTB Permanent Magnet Material, Raw Material Composition, Manufacturing Method, and Application |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181102 |