CN104742963B - Supporting base oil storage structure for electric hydraulic power steering pump - Google Patents
Supporting base oil storage structure for electric hydraulic power steering pump Download PDFInfo
- Publication number
- CN104742963B CN104742963B CN201510145629.XA CN201510145629A CN104742963B CN 104742963 B CN104742963 B CN 104742963B CN 201510145629 A CN201510145629 A CN 201510145629A CN 104742963 B CN104742963 B CN 104742963B
- Authority
- CN
- China
- Prior art keywords
- oil
- oil storage
- storage tank
- bearing structure
- boss
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
- B62D5/064—Pump driven independently from vehicle engine, e.g. electric driven pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a supporting base oil storage structure for an electric hydraulic power steering pump. A supporting base comprises an installing base body used for installing an oil pot, and a bearing containing cavity is formed in the end face of the installing base body; the oil storage structure comprises an oil inlet groove, an oil storage groove arranged zigzag and a cover plate used for sealing the oil storage groove, the oil inlet groove and the oil storage groove are formed in the end face of the installing base body, one end of the oil storage groove is communicated with the oil inlet groove, and the other end of the oil storage groove is communicated with the bearing containing cavity. According to the supporting base oil storage structure for the electric hydraulic power steering pump, the oil storage groove is arranged zigzag, oil flows from the oil inlet groove and flows along the oil storage groove arranged zigzag to the bearing containing cavity, the oil storage structure increases the oil storage amount on one hand and decelerates oil flowing into the oil storage structure on the other hand, and the stability of a whole oil way is improved.
Description
Technical field
The invention belongs to wheel steering system technical field, specifically, the present invention relates to a kind of electric hydaulic power-assisted turns
To pump holder oil-bearing structure.
Background technology
At present, it is typically all to be used oil can as oil storage carrier in the hydraulic circuit of electric hydraulic power-assisted steering pump, be used for
Supplement or store the hydraulic oil in oil circuit.Due to oil can finite volume, therefore its oil reserve is also limited.
Content of the invention
The present invention provides a kind of electric hydraulic power-assisted steering pump holder oil-bearing structure it is therefore an objective to improve oil reserve.
To achieve these goals, the technical scheme that the present invention takes is: electric hydraulic power-assisted steering pump holder oil storage knot
Structure, bearing includes the installing matrix for installing oil can, and the end face of installing matrix has bearing accommodating cavity, described oil-bearing structure bag
Include oil-feed tank, the oil storage tank of tortuous setting and the cover plate for closing oil storage tank, oil-feed tank and oil storage tank are located at described installation base
On the end face of body, one end of oil storage tank is connected with oil-feed tank, and the other end is connected with described bearing accommodating cavity.
The end face of described installing matrix is provided with the oil can installation base of annular, and it is convex that described oil-bearing structure is located at oil can installation
The inner side of platform.
Described cover plate is circle, and cover plate is simultaneously coaxial with described oil can installation base.
It is provided with breach at the position of the corresponding described oil-feed tank in the edge of described cover plate.
The first oil storage tank that described oil storage tank includes being sequentially connected, the second oil storage tank, the 3rd oil storage tank, the 4th oil storage tank,
5th oil storage tank and the 6th oil storage tank, the 3rd oil storage tank, the 4th oil storage tank and the 5th oil storage tank are located at the inner side of the first oil storage tank,
6th oil storage tank is located at the inner side of the 5th oil storage tank, and the first oil storage tank connects with described oil-feed tank, the 6th oil storage tank and described axle
Hold accommodating cavity connection.
The radian of described second oil storage tank is more than 180 degree, and the center of circle of the second oil storage tank is located at described first oil storage tank
Inner side.
The center of described second oil storage tank is provided with a first boss, and described oil-bearing structure also includes being located in first boss
The first shoe cream room, the first shoe cream room connected with oil storage tank.
The center of described 3rd oil storage tank is provided with a second boss, and described oil-bearing structure also includes being located in second boss
The second shoe cream room, the second shoe cream room connected with oil storage tank.
The electric hydraulic power-assisted steering pump holder oil-bearing structure of the present invention, the tortuous setting of oil storage tank, fluid is from oil-feed tank stream
Enter, the oil storage tank along tortuous setting flow to bearing accommodating cavity, and this oil-bearing structure one side improves oil reserve, on the one hand may be used
So that the fluid flowing into slows down, increased the stability of whole oil circuit, also reduce the noise that fluid flowing produces simultaneously.
Brief description
This specification includes the following drawings, and shown content is respectively:
Fig. 1 is the structural representation of bearing；
Fig. 2 is the structural representation of oil-bearing structure；
Fig. 3 is the structural representation after oil-bearing structure removes cover plate；
Fig. 4 is the structural representation of cover plate；
Fig. 5 is the sectional view at bearing accommodating cavity；
In figure is labeled as:
1st, oil-feed tank；2nd, bearing；21st, sleeve pipe；22nd, installing matrix；23rd, oil can installation base；24th, high pressure oil export；25、
First boss；26th, second boss；27th, the 3rd boss；28th, the 4th boss；29th, the 5th boss；210th, location hole；211st, install
Hole；212nd, bearing accommodating cavity；213rd, fuel feed hole；
3rd, cover plate；31st, cover board body；32nd, alignment pin；33rd, breach；34th, liquid pass hole；
4th, the first oil storage tank；5th, the second oil storage tank；6th, the 3rd oil storage tank；7th, the 4th oil storage tank；8th, the 5th oil storage tank；9th,
Six oil storage tanks；10th, the first shoe cream room；11st, the second shoe cream room；12nd, motor shaft；13rd, oil sealing；14th, bearing.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, the specific embodiment of the present invention is made further details of
Illustrate it is therefore an objective to help those skilled in the art to have more complete, accurate and deep reason to the design of the present invention, technical scheme
Solution, and contribute to its enforcement.
As shown in Figures 1 to 5, the invention provides a kind of electric hydraulic power-assisted steering pump holder oil-bearing structure, bearing 2 wraps
Include the installing matrix 22 for installing oil can and sleeve pipe 21, sleeve pipe 21 is the cylindrical member of inner hollow, electronic for installing
Machine, sleeve pipe 21 stretches out towards the side of installing matrix 22, and oil can is arranged on the opposite side of installing matrix 22.The end of installing matrix 22
Face has bearing accommodating cavity 212, is placed with bearing 14 in this bearing accommodating cavity 212, in this bearing accommodating cavity 212 and sleeve pipe 21
Heart hole connects and coaxial, in motor shaft 12 plug-in-sleeve 21 centre bore, and inserts the main shaft company with oil pump in bearing accommodating cavity 212
Connect, bearing 14 is enclosed within motor shaft 12, and oil pump operates in the presence of motor, so that fluid is flowed from high pressure oil export 24
Go out.This oil-bearing structure includes oil-feed tank 1, the oil storage tank of tortuous setting and the cover plate 3 for closing oil storage tank, oil-feed tank 1 and storage
Oil groove is located on the end face of installing matrix 22, and one end of oil storage tank is connected with oil-feed tank 1, and the other end is with bearing accommodating cavity 212 even
Logical.Oil-feed tank 1 and oil can inner space, fluid flows into from oil-feed tank 1, and the oil storage tank along tortuous setting flow to bearing accommodating cavity
212, this oil-bearing structure one side can improve oil reserve, and the fluid flowing to bearing accommodating cavity 212 on the one hand can be made to slow down,
Increased the stability of whole oil circuit, also reduce the noise that fluid flowing produces simultaneously.
Specifically, as depicted in figs. 1 and 2, the end face of installing matrix 22 is provided with the oil can installation base 23 of annular, oil
Kettle installation base 23 is used for the positioning of oil can, and oil can is enclosed within this oil can installation base 23 when installing.Oil-bearing structure is located at oil can
The inner side of installation base 23, cover plate 3 is also placed in the endoporus of oil can installation base 23.As shown in figure 4, cover plate 3 is circular configuration,
Cover plate 3 is fixed on the end face of installing matrix 22, and coaxial with oil can installation base 23.
As shown in figure 3, the oil storage tank of oil-bearing structure includes the first oil storage tank 4, the second oil storage tank the 5, the 3rd being sequentially connected
Oil storage tank 6, the 4th oil storage tank 7, the 5th oil storage tank 8 and the 6th oil storage tank 9, the 3rd oil storage tank 6, the 4th oil storage tank 7 and the 5th storage
Oil groove 8 is located at the inner side of the first oil storage tank 4, and the 6th oil storage tank 9 is located at the inner side of the 5th oil storage tank 8, and bearing accommodating cavity 212 is located at
The inner side of the 6th oil storage tank 9.In figure dotted line represents that fluid flows to, and the first oil storage tank 4 connects with oil-feed tank 1, the 6th oil storage tank 9 and
Bearing accommodating cavity 212 connects, from oil-feed tank 1 enter fluid successively through the first oil storage tank 4, the second oil storage tank 5, the 3rd oil storage tank
6th, the 4th oil storage tank 7, the 5th oil storage tank 8 and the 6th oil storage tank 9, flow in bearing accommodating cavity 212.
As shown in figure 3, ab section is the first oil storage tank 4, the first oil storage tank 4 is circular arc, and radian is more than 180 degree, arc length and
Radius is also maximum, and the first oil storage tank 4 and oil can installation base 23 are concentric；Bc section is the second oil storage tank 5, the second oil storage tank 5
Radian is more than 180 degree, and the center of circle of the second oil storage tank 5 is located at the inner side of the first oil storage tank 4.Cd section is the 3rd oil storage tank 6, the 3rd
Oil storage tank 6 is c shape, has bending at two；De section is the 4th oil storage tank 7, and the 4th oil storage tank 7 is circular arc, and its radian is less than 180
Degree, and arc length is less, less than the arc length of the second oil storage tank 5；Ef section is the 5th oil storage tank 8, and the 5th oil storage tank 8 is circular arc, its
Radian is less than 180 degree, and the 5th oil storage tank 8 is concentric with the first oil storage tank 4；Fg section is the 6th oil storage tank 9, the 5th oil storage tank 8
For arc.
As shown in figure 3, oil-feed tank 1 and oil storage tank are to be recessed on the groove of formation in the end face of installing matrix 22, thus
Some boss and dividing plate are formed with installing matrix 22, are such as formed with one first at the position at the second oil storage tank 5 center
Boss 25, is formed with a second boss 26 at the position at the 3rd oil storage tank 6 center.Oil-bearing structure also includes being located at first
The first shoe cream room 10 on boss 25 and the second shoe cream room 11 being located in second boss 26, in first boss 25 and second boss
26 side wall is provided with the opening allowing fluid to pass through, and the first shoe cream room 10 and the second shoe cream room 11 pass through opening with oil storage tank even
Logical, the fluid entering oil storage tank is flowed in the first liquid storage cylinder and the second liquid storage cylinder by opening.By arranging the first shoe cream room 10
With the second shoe cream room 11, oil reserve can be improved further, be connected with outer oil circuit, pressure is identical simultaneously, if the first shoe cream room 10
There is no opening on the side wall at place, fluid cannot flow in the first shoe cream room 10, in the first shoe cream room 10, form negative pressure, with the storage of bc section
Form pressure differential between oil groove, cause to deform upon at the position of corresponding first shoe cream room 10 on cover board body 31, affect cover plate
Body 31 flatness herein, and then reduce the output performance of gear pump；In the same manner, if also not having on the side wall at the second shoe cream room 11
There is opening, fluid cannot flow in the second shoe cream room 11, formed in the second shoe cream room 11 and formed between negative pressure, and cd section oil storage tank
Pressure differential, causes plate at the position of corresponding second shoe cream room 11 on cover board body 31 to deform upon, right on impact cover board body 31
Answer flatness herein, and then reduce the output performance of gear pump.
As shown in figure 3, arranging the second oil storage tank 5 between the first oil storage tank 4 and the 3rd oil storage tank 6 to realize arc transition, by
Larger in the radian of the second oil storage tank 5, the volume of the first boss 25 that its medial center is formed is relatively large, and its size is than inside and outside
The thickness of the dividing plate between adjacent two oil storage tanks in side is big；The situation of the 3rd oil storage tank 6 and the second oil storage tank 5 is similar, and the 3rd
Oil storage tank 6 has bending at two, and bending direction is contrary with the bending direction of the second oil storage tank 5, and the 3rd oil storage tank 6 inner side is formed
Second boss 26 volume also larger, and more than first boss 25 volume.Again because bearing 2 is to adopt aluminium liquid when making
The mode of cast makes blank, and first boss 25 and second boss 26 are as larger in fruit volume, and in cast, blank can be formed herein
Pore, affects blank quality, therefore need to arrange the first shoe cream room 10 at first boss 25, arranges second at second boss 26
Shoe cream room 11, the first shoe cream room 10 is circular cavity, and the second shoe cream room 11 is trapeziform cavity, the second shoe cream room 11
Volume and the volume more than the first shoe cream room 10, the setting of the first shoe cream room 10 make in first boss 25 with the second oil storage tank 5
Adjacent side wall wall thickness is in the same size, and the setting of the second shoe cream room 11 makes adjacent with the 3rd oil storage tank 6 side in second boss 25
Wall wall thickness is in the same size, that is, as shown in figure 3, the circular arc side wall that one section of radian is more than 180 degree is formed with first boss 25, second
The side wall of c shape is formed with boss 26, and the wall thickness of this dividing plate between side wall wall thickness two oil storage tanks adjacent with interior outside at two
Unanimously, it is to avoid the formation of pore in bearing blank casting process, improve blank quality.
As shown in Figure 2 and Figure 4, cover plate 3 has the cover board body 31 for closing oil storage tank, the edge pair of cover board body 31
It is provided with breach 33, this breach 33 makes oil-feed tank 1 and oil can inner space, such fluid just can enter at the position answering oil-feed tank 1
Enter.Cover plate 3 is fixedly mounted in installing matrix 22, is provided with the alignment pin 32 of two protrusions in the side of cover board body 31 and allows
The through hole that bolt passes through, the center of cover board body 31 is provided with the through hole that a main shaft allowing oil pump passes through, this lead to the hole site with
Bearing accommodating cavity 212 aligns.As shown in figure 3, the boss in installing matrix 22 also includes the 3rd boss 27, the 4th boss 28 and
Five boss 29, the 3rd boss 27 is located between the 5th oil storage tank 8 and the 6th oil storage tank 9, and the 4th boss 28 is located at oil-feed tank 1 and the
Between two oil storage tanks 5, the 5th boss 29 is located between the first oil storage tank 4 and the 4th oil storage tank 7.4th boss 28 and the 5th boss
29 is to be oppositely arranged, and is distributed in the both sides of bearing accommodating cavity 212, is respectively equipped with one on the 4th boss 28 and the 5th boss 29
Installing hole 211, this installing hole 211 is screwed hole, and two installing holes 211 are alignd with the lead to the hole site on cover board body 31.First
Boss 25 and the 3rd boss 27 are to be oppositely arranged, and are distributed in the both sides of bearing accommodating cavity 212, in first boss 25 and the 3rd boss
It is respectively equipped with a location hole 210 on 27, matches with the alignment pin 32 on cover board body 31, alignment pin 32 inserts location hole
In 210, it is possible to achieve positioning in installing matrix 22 for the cover plate 3, cover plate 3 is finally bolted.Cover board body 31 side with
The end face laminating of installing matrix 22, namely with oil can installation base 23, first boss 25, second boss 26, the 3rd boss 27, the
The end face laminating of four boss 28 and the 5th boss, by oil storage tank and shoe cream room closing.
As shown in figure 5, bearing accommodating cavity 212 within installing matrix 22 is circular cavity, bearing accommodating cavity 212 and with set
The centre bore of pipe 21 is coaxial, and bearing accommodating cavity 212 has certain depth, internal placement one bearing 14.In order to avoid entering storage
The oil liquid leakage of oil groove, is provided with oil sealing 13,13, oil sealing in the centre bore of sleeve pipe 21 at the position of bearing accommodating cavity 212
In bearing 14 side, by the one end open sealing of bearing accommodating cavity 212.
As shown in figure 3, the 4th boss 28 of installing matrix 22 is provided with a fuel feed hole 213, this fuel feed hole 213 with install
Oil duct connection within matrix 22, oil pump operates, and the internal fluid of oil can exits into fuel feed hole 213 through oil pump, then flows through peace
Dress matrix 22 internal galleries, finally flow out from high pressure oil export 24.As shown in figure 4, because cover plate 3 encloses oil storage tank and oil storage
Chamber, is accordingly provided with a liquid pass hole 34 with fuel feed hole 213 aligned in position on cover board body 31, this liquid pass hole 34 and oil pump
Oil-out connection, and between the two pass through washer sealing, thus oil pump oil-out flow out fluid through liquid pass hole 34 flow into peace
Fuel feed hole 213 on dress matrix 22.
Above in association with accompanying drawing, the present invention is exemplarily described.Obviously, the present invention implements and is not subject to above-mentioned side
The restriction of formula.As long as employing the improvement of the various unsubstantialities that method of the present invention design is carried out with technical scheme；Or not
Improved, the above-mentioned design of the present invention and technical scheme are directly applied to other occasions, all in protection scope of the present invention
Within.
Claims (8)
1. electric hydraulic power-assisted steering pump holder oil-bearing structure, bearing includes the installing matrix for installing oil can, installing matrix
End face there is bearing accommodating cavity it is characterised in that: described oil-bearing structure includes oil-feed tank, the oil storage tank of tortuous setting and is used for
The cover plate of closing oil storage tank, oil-feed tank and oil storage tank are located on the end face of described installing matrix, and oil-feed tank is interior with described oil can
Chamber connects, and one end of oil storage tank is connected with oil-feed tank, and the other end is connected with described bearing accommodating cavity.
2. electric hydraulic power-assisted steering pump holder oil-bearing structure according to claim 1 it is characterised in that: described installation base
The end face of body is provided with the oil can installation base of annular, and described oil-bearing structure is located at the inner side of oil can installation base.
3. electric hydraulic power-assisted steering pump holder oil-bearing structure according to claim 2 it is characterised in that: described cover plate is
Circle, cover plate is coaxial with described oil can installation base.
4. electric hydraulic power-assisted steering pump holder oil-bearing structure according to claim 3 it is characterised in that: described cover plate
It is provided with breach at the position of the corresponding described oil-feed tank in edge.
5. the electric hydraulic power-assisted steering pump holder oil-bearing structure according to Claims 2 or 3 or 4 it is characterised in that: described
The first oil storage tank that oil storage tank includes being sequentially connected, the second oil storage tank, the 3rd oil storage tank, the 4th oil storage tank, the 5th oil storage tank and
6th oil storage tank, the 3rd oil storage tank, the 4th oil storage tank and the 5th oil storage tank are located at the inner side of the first oil storage tank, the 6th oil storage tank position
In the inner side of the 5th oil storage tank, the first oil storage tank is connected with described oil-feed tank, and the 6th oil storage tank is connected with described bearing accommodating cavity.
6. electric hydraulic power-assisted steering pump holder oil-bearing structure according to claim 5 it is characterised in that: described second storage
The radian of oil groove is more than 180 degree, and the center of circle of the second oil storage tank is located at the inner side of described first oil storage tank.
7. electric hydraulic power-assisted steering pump holder oil-bearing structure according to claim 6 it is characterised in that: described second storage
The center of oil groove is provided with a first boss, and described oil-bearing structure also includes the first shoe cream room being located in first boss, and first
Shoe cream room is connected with oil storage tank.
8. electric hydraulic power-assisted steering pump holder oil-bearing structure according to claim 7 it is characterised in that: described 3rd storage
The center of oil groove is provided with a second boss, and described oil-bearing structure also includes the second shoe cream room being located in second boss, and second
Shoe cream room is connected with oil storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145629.XA CN104742963B (en) | 2015-03-30 | 2015-03-30 | Supporting base oil storage structure for electric hydraulic power steering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145629.XA CN104742963B (en) | 2015-03-30 | 2015-03-30 | Supporting base oil storage structure for electric hydraulic power steering pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104742963A CN104742963A (en) | 2015-07-01 |
| CN104742963B true CN104742963B (en) | 2017-01-25 |
Family
ID=53583393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510145629.XA Active CN104742963B (en) | 2015-03-30 | 2015-03-30 | Supporting base oil storage structure for electric hydraulic power steering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104742963B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001298903A (en) * | 2000-04-10 | 2001-10-26 | Moric Co Ltd | Brushless dc motor |
| JP2004306712A (en) * | 2003-04-04 | 2004-11-04 | Hitachi Unisia Automotive Ltd | Power steering device |
| CN200964956Y (en) * | 2006-11-10 | 2007-10-24 | 王辉 | Hydraulic pump set for automobile steering motor |
| CN201457460U (en) * | 2009-05-27 | 2010-05-12 | 浙江全兴机械制造有限公司 | Oil pump assembly for automobile power steering gear |
| CN201818568U (en) * | 2010-10-22 | 2011-05-04 | 上海宝鹿车业有限公司 | Automobile power steering oil storage pot |
| CN202991673U (en) * | 2012-11-30 | 2013-06-12 | 长城汽车股份有限公司 | Oil storage tank of automobile hydraulic power steering system |
| CN103770833A (en) * | 2014-01-24 | 2014-05-07 | 东风商用车有限公司 | Electric power steering pump assembly for automobile |
| CN203753227U (en) * | 2013-12-18 | 2014-08-06 | 山东三力美泰液压科技有限公司 | Integrated full-hydraulic steering gear |
| CN204527294U (en) * | 2015-03-30 | 2015-08-05 | 芜湖德孚转向系统有限公司 | Electric hydraulic power-assisted steering pump holder oil-bearing structure |
-
2015
- 2015-03-30 CN CN201510145629.XA patent/CN104742963B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001298903A (en) * | 2000-04-10 | 2001-10-26 | Moric Co Ltd | Brushless dc motor |
| JP2004306712A (en) * | 2003-04-04 | 2004-11-04 | Hitachi Unisia Automotive Ltd | Power steering device |
| CN200964956Y (en) * | 2006-11-10 | 2007-10-24 | 王辉 | Hydraulic pump set for automobile steering motor |
| CN201457460U (en) * | 2009-05-27 | 2010-05-12 | 浙江全兴机械制造有限公司 | Oil pump assembly for automobile power steering gear |
| CN201818568U (en) * | 2010-10-22 | 2011-05-04 | 上海宝鹿车业有限公司 | Automobile power steering oil storage pot |
| CN202991673U (en) * | 2012-11-30 | 2013-06-12 | 长城汽车股份有限公司 | Oil storage tank of automobile hydraulic power steering system |
| CN203753227U (en) * | 2013-12-18 | 2014-08-06 | 山东三力美泰液压科技有限公司 | Integrated full-hydraulic steering gear |
| CN103770833A (en) * | 2014-01-24 | 2014-05-07 | 东风商用车有限公司 | Electric power steering pump assembly for automobile |
| CN204527294U (en) * | 2015-03-30 | 2015-08-05 | 芜湖德孚转向系统有限公司 | Electric hydraulic power-assisted steering pump holder oil-bearing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104742963A (en) | 2015-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022121549A1 (en) | Three-in-one oil cooling electric driving structure | |
| CN204476777U (en) | Multi-impeller Centrifugal electro-pump | |
| CN104691612B (en) | A kind of electric hydraulic power-assisted steering pump assembly | |
| CN104742962B (en) | A kind of electric-controlled hydraulic power-assisted steering control method | |
| CN201228689Y (en) | Compound hydraulic cylinder | |
| CN104742963B (en) | Supporting base oil storage structure for electric hydraulic power steering pump | |
| CN106051442A (en) | Speed changer oil pump not prone to oil leakage | |
| CN104709346B (en) | A kind of electric hydraulic power-assisted steering pump holder | |
| CN204527294U (en) | Electric hydraulic power-assisted steering pump holder oil-bearing structure | |
| CN104875788B (en) | Electric hydraulic power-assisted steering pump assembly | |
| CN204527299U (en) | A kind of electric hydraulic power-assisted steering pump holder | |
| CN207195169U (en) | Automobile power synthesizes case double-united oil pump | |
| CN209200863U (en) | Part flow arrangement, motor and cooling system with the part flow arrangement | |
| CN114110155B (en) | Externally-mounted transmission electronic oil pump | |
| CN204527298U (en) | Electric hydraulic power-assisted steering pump holder | |
| CN104986219B (en) | A kind of electric-controlled hydraulic power-assisted steering control method | |
| CN208221563U (en) | Single countershaft transmission main tank lubricating structure | |
| CN207230126U (en) | A kind of transmission oil pump and speed changer oil supply system | |
| CN209184372U (en) | A kind of motor coolant jacket | |
| CN207583460U (en) | A kind of motorcycle crankcase scheme for exhaust gas circulation system | |
| CN104456037A (en) | High-flow oil pump | |
| CN204527295U (en) | Electric hydraulic power-assisted steering pump assembly | |
| CN216789189U (en) | Built-in pipeline type electronic oil pump double-clutch transmission | |
| CN203655638U (en) | Miniature vertical type two-stage threaded rod refrigeration compressor | |
| CN208294761U (en) | A kind of two-part gear oil pump shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Zhi Zhen Wuhu County in Anhui province Wuhu city Anhui Bay 241100 Wuhu Economic Development Zone weft four Road No. 88 East Building 02 Applicant after: Anhui Defu steering system of Limited by Share Ltd Address before: 241100, No. four, No. 88, Dong Lu, machinery industry zone, Wuhu County, Wuhu, Anhui Applicant before: Wuhu Defu Steering System Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |