CN104564684B - A kind of stator in steering pump of automobile - Google Patents
A kind of stator in steering pump of automobile Download PDFInfo
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- CN104564684B CN104564684B CN201410705078.3A CN201410705078A CN104564684B CN 104564684 B CN104564684 B CN 104564684B CN 201410705078 A CN201410705078 A CN 201410705078A CN 104564684 B CN104564684 B CN 104564684B
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- stator
- die cavity
- automobile
- steering pump
- holes
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D5/00—Heat treatments of cast-iron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/40—Heat treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/90—Improving properties of machine parts
- F04C2230/92—Surface treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/10—Stators
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The invention belongs to steering pump technical field, particularly to the stator in a kind of steering pump of automobile.This stator includes body, body is square and four corners of body are fillet, four edges at body all offer hole, location, portion offers the die cavity holes axially through body in the body, die cavity holes is ellipticity and the long axis of die cavity holes and minor axis is respectively on body two diagonal, all offer two guide hole groups between two adjacent positioned holes in body both sides, and this two guide hole groups rotationally symmetrical cincture centered by the die cavity holes center of circle divides and is listed in die cavity holes both sides.And, the stator in steering pump of automobile of the present invention is made up of Cu Cr Mo alloy cast iron, and the combination property such as its thermostability, wearability, corrosion resistance, lower temperature resistance is preferable, and stabilized structure, service life is long.
Description
Technical field
The invention belongs to steering pump technical field, particularly in a kind of steering pump of automobile
Stator.
Background technology
Automobile steering pump generally comprise pump case, rotor, blade, cover plate, suction interface,
The parts such as back leakage connection.Rotor clockwise rotates, and confined space volume first changes from small to big,
Bleed via air extraction connector, when rotor continues to rotate, confined space from large to small, then warp
By back leakage connection aerofluxus.
By the work process of above-mentioned steering pump it can be seen that stator bears in the course of the work
Bigger radial rotating power, therefore need a kind of Stability Analysis of Structures badly, vacuum that material is firm
Pump rotor uses the automobile vacuum pump of environment harshness with reply.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of
Stabilized structure, length in service life steering pump of automobile in stator.
The purpose of the present invention can be realized by following technical proposal: a kind of steering pump of automobile
In stator, including body, described body is square and four corners of body are fillet,
Four edges at body all offer hole, location, it is characterised in that portion in the body
Offering the die cavity holes axially through body, described die cavity holes is ellipticity and die cavity holes
Long axis and minor axis are respectively on body two diagonal, all offer in body both sides
One guide hole group between two adjacent positioned holes, and these two guide hole groups are with die cavity holes
Centered by the center of circle, rotationally symmetrical cincture divides and is listed in die cavity holes both sides.
Guide hole quantity in stator in above-mentioned steering pump of automobile, in each guide hole group
It is four, and respectively two oil guiding holes and two louvres, two oil guiding holes and two heat radiations
Span is arranged, and the guide hole at die cavity holes longitudinal end is oil guiding hole, near die cavity holes
The guide hole of short axial end is that the aperture of the guide hole in louvre, and same group is long by die cavity holes
Axial end is gradually increased to die cavity holes short axial end direction.
In stator in above-mentioned steering pump of automobile, on two relative sidewalls of body
All offer storage breach, and storing breach, to be in body with corresponding guide hole group same
Side.
In stator in above-mentioned steering pump of automobile, described storage breach is laterally opened in
It is formed with V-type on this body sidewall and in one end that storage breach faces at die cavity holes longitudinal end
Groove, described V-shaped groove communicates with storing breach.
In stator in above-mentioned steering pump of automobile, offer tightly in the other both sides of body
Gu hole, two fastener holes lay respectively between two adjacent holes, location, and in two fastener holes
Heart line and above-mentioned two guide hole group switching centre lines are decussation, offer on this body sidewall
Transition breach, described transition breach and one of them fastener hole is had to be in the same side of body.
In stator in above-mentioned steering pump of automobile, described stator is closed by Cu-Cr-Mo
Gold cast iron is made.In cast iron, add the alloying elements such as Cu, Cr, Mo, casting can be made
The matrix of ferrum changes, thus has the most heat-resisting, wear-resisting, anti-corrosion, resistance to
Low temperature, without characteristics such as magnetic.The present invention uses the stator that this alloy cast iron is made, firmly
The aspect of performances such as degree, wearability achieve good effect.
In stator in above-mentioned steering pump of automobile, described Cu-Cr-Mo alloy cast iron
Mainly it is made up of following component (by percentage to the quality): C:2.5-3.2%, Cu:
0.7-1.0%, Si:1.0-1.6%, Mn:0.6-1.0%, Mo:0.4-0.8%, V:
0.05-0.15%, rare earth element: 0.01-0.05%, S ＜ 0.05%, P ＜ 0.1%, surplus
For Fe and inevitable impurity element.
In alloy cast iron, carbon is to form graphite and the essential element of carbide, and phosphorus content is the highest,
Quantity of graphite is the most, and hardness is the lowest.But, the too low meeting of phosphorus content causes the flowing of molten iron
Property poor, cast stator out easily produces casting crack.And phosphorus content is too low also
Tissue fragility can be made to increase, hot-cracking resistance reduce, in use there will be burst apart,
Fall some defects such as block.Therefore, the present invention is particularly important to the control of phosphorus content.
Chromium can increase carbon dissolubility in austenite, promotes the generation of pearlite, reduces
Even completely inhibiting ferritic precipitation, chromium is also Fining of Pearlite element simultaneously, can be big
Big raising pearlitic structrure intensity.Therefore, cast iron adds chromium and can form complexity
Ferrum-chromium strong carbide, this strong carbide is often with block or an ingredient of pearlite
Form occur, make the ferrite of softness become pearlitic structrure, thus improve at high temperature
Under stability.And the size of graphite can be made evenly, make crackle and the crystal grain of cast iron
More tiny.It addition, along with the increasing of addition of chromium there will be free carbide, improve
Case hardness, deepens hard formation.
In cast iron add molybdenum can be effectively improved the tensile strength of cast iron, hardness, toughness,
Machining property and wearability, and molybdenum or strong pearlite forming agent are permissible
Promote that matrix is changed into pearlite.But, molybdenum can occur segregation when solidification, adds
The danger of carbide is formed greatly at eutectic cell boundary.
Copper, can thinning microstructure as a kind of graphitizer；The element connection formed with carbide
Closing when using, reinforced effects is notable, can significantly improve intensity, hardness, toughness, wear-resisting
The mechanical performances such as property.
Therefore, Cu, Cr, Mo alloying element that the present invention adds in cast iron, change
The matrix of cast iron, thus effectively improve cast iron heat-resisting, wear-resisting, anti-corrosion,
Low temperature resistant or without characteristics such as magnetic.Additionally, the present invention be also added in cast iron Si, Mn,
V and rare earth element.Wherein, Mn and V is carbide, and Mn
Formation MnS can also be combined with S, alleviate the S adverse effect to alloy cast iron.And it is right
In the cast iron adding Cu, Cr and Mo, add V can play synergism, favorably
Generating in lamellar pearlite, its intensity and wearability are all significantly improved simultaneously.And
In cast iron, add a small amount of rare earth element, part interference element can be neutralized further not
Good action, thinning microstructure, improves the combination property of alloy cast iron.
In stator in above-mentioned steering pump of automobile, described stator needs to carry out heat treatment,
Described heat treatment includes quenching and tempering, and described hardening heat is 910-930 DEG C, insulation
Time is 40-80min, and temperature is 230-270 DEG C, and temperature retention time is 100-140min.
Technology for Heating Processing is to ensure that the important process technique of stator performance, the parameter of Technology for Heating Processing
Need accurately to choose according to constituent and the mass percent thereof of stator, otherwise fixed
Sub-performance is severely impacted.
In stator in above-mentioned steering pump of automobile, described hardening heat is 920 DEG C,
Temperature retention time is 60min, and temperature is 250 DEG C, and temperature retention time is 120min.
In stator in above-mentioned steering pump of automobile, described stator carries out bonderizing.
Stator of the present invention has also carried out bonderizing, does not dissolves in stator surface formation of deposits one layer
The crystal type phosphate conversion film of water, improves corrosion resistance and the lubricity of stator.
Compared with prior art, the invention have the advantages that
1, when rotor rotates in stator, what rotor blade was applied in die cavity holes advocates
The short axial end of die cavity holes to be concentrated on, the die cavity holes on body is ellipticity and die cavity holes
Long axis and minor axis are respectively on body two diagonal, and this structure arranges and makes blade
The power applied concentrates on the thickness of stator body, stabilized structure.
2, oil guiding hole and louvre are spaced setting so that each oil guiding hole is all to having one
Individual louvre, it is thus possible to distribute heat produced by steering pump in time；Simultaneously by
In time rotating in stator when rotor, it is short that blade in the rotor turns to stator type lumen pore
During axial end, produced heat is maximum, and blade in the rotor turns to stator type lumen pore
Time at longitudinal end, produced heat is minimum, is therefore by die cavity by the aperture design of guide hole
It is gradually increased to die cavity holes short axial end direction at the longitudinal end of hole, it is thus possible to accelerate stator type
Distributing of lumen pore short axial end heat, it is ensured that steering pump stability operationally.
3, stator of the present invention is made up of Cu-Cr-Mo alloy cast iron, and is carried out by stator
Bonderizing, changes film at the water-fast crystal type phosphate of surface formation of deposits one layer,
Stator is made to have heat-resisting, wear-resisting, anti-corrosion, low temperature resistant, without the characteristics such as magnetic, service life
Long.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the sectional structure schematic diagram of the present invention.
In figure, 1, body；11, die cavity holes；11a, short axle head；11b, longitudinal end；
12, hole, location；13, oil guiding hole；14, louvre；15, fastener hole；16, store
Breach；16a, V-groove；17, transition breach.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
As shown in Figures 1 to 4, the stator in this steering pump of automobile includes body 1, this
Body 1 is in square and 1 four corners of body are fillet, at four edges of body 1
All offer hole 12, location, in the middle part of body 1, offer the die cavity holes axially through body
11, die cavity holes 11 is in ellipticity and the long axis of die cavity holes 11 and minor axis are respectively at
On 1 liang of diagonal of body, all offer one in body 1 both sides and be positioned at two adjacent positioned
Guide hole group between hole 12, and these two guide hole groups revolve centered by die cavity holes 11 center of circle
Turn symmetrical ring around point being listed in die cavity holes 11 both sides.
When rotor rotates in stator, rotor blade is applied to advocating in die cavity holes 11
At die cavity holes 11 to be concentrated on short axle head 11a, the die cavity holes 11 on body 1 is in ellipse
Shape and the long axis of die cavity holes 11 and minor axis are respectively on 1 liang of diagonal of body, should
Structure arranges the power that blade is applied and concentrates on the thickness of stator body 1, structure
Firm.
Further, the guide hole quantity in each guide hole group is four, and respectively two
Oil guiding hole 13 and two louvres 14, two oil guiding holes 13 and two louvres 14 interval set
Putting, the guide hole at die cavity holes 11 longitudinal end 11b is oil guiding hole 13, near die cavity
The hole that guide hole is the guide hole in louvre 14, and same group at the short axle head 11a of hole 11
By die cavity holes 11 longitudinal end 11b, at die cavity holes 11 short axle head 11a, direction is gradually in footpath
Increase.Oil guiding hole 13 and louvre 14 are spaced setting so that each oil guiding hole 13
All to there being a louvre 14, it is thus possible in time heat produced by steering pump is distributed
Go out；Simultaneously because when rotor rotates in stator, blade in the rotor turns to
Time at stator type lumen pore 11 short axle head 11a, produced heat is maximum, leaf in the rotor
It is minimum, therefore that sheet turns to produced heat time at stator type lumen pore 11 longitudinal end 11b
It is to the short axle of die cavity holes 11 by die cavity holes 11 longitudinal end 11b by the aperture design of guide hole
At end 11a, direction is gradually increased, it is thus possible to accelerate stator type lumen pore 11 short axle head 11a
Distributing of place's heat, it is ensured that steering pump stability operationally.
Further, two relative sidewalls of body 1 all offer storage breach 16,
And storage breach 16 is in body 1 the same side with corresponding guide hole group.When steering pump exists
During work, body 1 surface can produce greasy dirt or impurity, and stored breach 16
Effect be to receive the greasy dirt of body 1 surface or impurity, it is ensured that body 1 surface
Stability when cleaning and steering pump work.
Further, store breach 16 be laterally opened on body 1 sidewall and lack storing
Mouth 16 faces the one end at die cavity holes 11 longitudinal end 11b and is formed with V-groove 16a, V
Type groove 16a communicates with storing breach 16.The design of V-groove 16a is not only convenient for collecting oil
Dirty and impurity, and increase storage breach 16 for storing the amount of storage of impurity, and
And V-groove 16a is opened in storage breach 16 and faces at die cavity holes 11 longitudinal end 11b
One end, main purpose is that the spot that stator surface is formed has focused largely on die cavity holes
At short axle head 11a, the spot being therefore easy to produce at die cavity holes 11 short axle head 11a is through storage
Collect in after depositing breach 16 in V-groove 16a.
Further, fastener hole 15, two fastener holes 15 are offered in the other both sides of body 1
Lay respectively between two adjacent holes, location 12, and the line of centres of two fastener holes 15 with
Above-mentioned two guide hole group switching centre lines are decussation, offer transition on body 1 sidewall
Breach 17, transition breach 17 and one of them fastener hole 15 are in the same side of body 1.
The effect of fastener hole 15 is further to be stabilized in steering pump by stator body 1.
Wherein, described stator is made up of Cu-Cr-Mo alloy cast iron, described Cu-Cr-Mo
Alloy cast iron is mainly made up of following component (by percentage to the quality): C:2.5-3.2%,
Cu:0.7-1.0%, Si:1.0-1.6%, Mn:0.6-1.0%, Mo:0.4-0.8%, V:
0.05-0.15%, rare earth element: 0.01-0.05%, S ＜ 0.05%, P ＜ 0.1%, surplus
For Fe and inevitable impurity element.
Table 1: the constituent of embodiment of the present invention 1-4 stator and mass percent thereof
Embodiment 1:
Take the alloy cast by the constituent in embodiment 1 in table 1 and mass percent thereof
The stator blank that ferrum is made, first carries out heat treatment, and heat treatment includes quenching and tempering, quenches
Fire temperature is 910 DEG C, and temperature retention time is 80min, and temperature is 230 DEG C, during insulation
Between be 140min.Heat treatment terminates rear stator blank and carries out traditional phosphating solutions process again, prepares
Final stator.
Embodiment 2:
Take the alloy cast by the constituent in embodiment 2 in table 1 and mass percent thereof
The stator blank that ferrum is made, first carries out heat treatment, and heat treatment includes quenching and tempering, quenches
Fire temperature is 920 DEG C, and temperature retention time is 50min, and temperature is 240 DEG C, during insulation
Between be 110min.Heat treatment terminates rear stator blank and carries out traditional phosphating solutions process again, prepares
Final stator.
Embodiment 3:
Take the alloy cast by the constituent in embodiment 3 in table 1 and mass percent thereof
The stator blank that ferrum is made, first carries out heat treatment, and heat treatment includes quenching and tempering, quenches
Fire temperature is 920 DEG C, and temperature retention time is 60min, and temperature is 250 DEG C, during insulation
Between be 120min.Heat treatment terminates rear stator blank and carries out traditional phosphating solutions process again, prepares
Final stator.
Embodiment 4:
Take the alloy cast by the constituent in embodiment 4 in table 1 and mass percent thereof
The stator blank that ferrum is made, first carries out heat treatment, and heat treatment includes quenching and tempering, quenches
Fire temperature is 930 DEG C, and temperature retention time is 40min, and temperature is 270 DEG C, during insulation
Between be 100min.Heat treatment terminates rear stator blank and carries out traditional phosphating solutions process again, prepares
Final stator.
Comparative example 1:
Stator is made up of plain cast iron, Technology for Heating Processing and bonderizing and embodiment 3 phase
With.
Comparative example 2:
Stator blank material is same as in Example 3, and in Technology for Heating Processing, hardening heat is
900 DEG C, temperature retention time is 60min, and temperature is 220 DEG C, and temperature retention time is 120min.
Bonderizing is carried out equally after heat treatment.
Comparative example 3:
Stator blank material is same as in Example 3, and in Technology for Heating Processing, hardening heat is
950 DEG C, temperature retention time is 60min, and temperature is 280 DEG C, and temperature retention time is 120min.
Bonderizing is carried out equally after heat treatment.
Comparative example 4:
Stator blank material is same as in Example 3, and in Technology for Heating Processing, hardening heat is
920 DEG C, temperature retention time is 30min, and temperature is 250 DEG C, and temperature retention time is 80min.
Bonderizing is carried out equally after heat treatment.
Comparative example 5:
Stator blank material is same as in Example 3, and in Technology for Heating Processing, hardening heat is
920 DEG C, temperature retention time is 100min, and temperature is 250 DEG C, and temperature retention time is
150min.Bonderizing is carried out equally after heat treatment.
Comparative example 6:
Stator material is the most same as in Example 3 with heat treatment, but does not carry out phosphorus after heat treatment
Change processes.
The stator that embodiment of the present invention 1-4 and comparative example 1-6 prepare is carried out performance test,
Test result is as shown in table 2.
Table 2: stator the performance test results
As known from Table 2, the performance of the stator that comparative example prepares is all not as good as the embodiment of the present invention
By the performance of the stator that inventive formulation and technique prepare, therefore, the formula of stator and pressing
The technique of formula design is extremely important to the performance impact of stator.
The stator that the embodiment of the present invention and comparative example prepare is carried out resistance at identical conditions
Mill property and corrosion resistance test, test result shows, the stator that the embodiment of the present invention prepares
Wearability relatively comparative example all improve more than 20%, corrosion resistance all improve 10% with
On.Therefore, the combination property of the stator that the present invention prepares is substantially better than what comparative example prepared
Stator, extends service life.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Claims (10)
1. the stator in steering pump of automobile, including body, described body is square
And four corners of body are fillet, four edges at body all offer hole, location,
It is characterized in that, portion offers the die cavity holes axially through body, described type in the body
Lumen pore is ellipticity and the long axis of die cavity holes and minor axis is respectively at body two diagonal
On, a guide hole group between two adjacent positioned holes is all offered in body both sides,
And this two guide hole groups rotationally symmetrical cincture centered by the die cavity holes center of circle divides and is listed in die cavity holes
Both sides.
Stator in steering pump of automobile the most according to claim 1, it is characterised in that
Guide hole quantity in each guide hole group is four, and respectively two oil guiding holes and two dissipate
Hot hole, two oil guiding holes and two louvres interval are arranged, leading at die cavity holes longitudinal end
Hole is oil guiding hole, and the guide hole near the short axial end of die cavity holes is in louvre, and same group
The aperture of guide hole gradually increased to die cavity holes short axial end direction by die cavity holes longitudinal end
Greatly.
Stator in steering pump of automobile the most according to claim 1 and 2, its feature
It is, two relative sidewalls of body all offers storage breach, and stores breach
It is in body the same side with corresponding guide hole group.
Stator in steering pump of automobile the most according to claim 3, it is characterised in that
Described storage breach is laterally opened on this body sidewall and to face die cavity holes long storing breach
One end of axial end is formed with V-groove, and described V-shaped groove communicates with storing breach.
Stator in steering pump of automobile the most according to claim 1 and 2, its feature
Being, offering fastener hole in the other both sides of body, it is adjacent that two fastener holes lay respectively at two
Hole, location between, and the line of centres of two fastener holes and above-mentioned two guide hole group switching centre lines
In decussation, this body sidewall offers transition breach, described transition breach and its
In fastener hole be in the same side of body.
Stator in steering pump of automobile the most according to claim 1, it is characterised in that
Described stator is made up of Cu-Cr-Mo alloy cast iron.
Stator in steering pump of automobile the most according to claim 6, it is characterised in that
Described Cu-Cr-Mo alloy cast iron is mainly by following component (by percentage to the quality) group
Become: C:2.5-3.2%, Cu:0.7-1.0%, Si:1.0-1.6%, Mn:0.6-1.0%,
Mo:0.4-0.8%, V:0.05-0.15%, rare earth element: 0.01-0.05%, S ＜ 0.05%,
P ＜ 0.1%, surplus is Fe and inevitable impurity element.
Stator in steering pump of automobile the most according to claim 6, it is characterised in that
Described stator carries out heat treatment, and described heat treatment includes quenching and tempering, described quenching temperature
Degree is for 910-930 DEG C, and temperature retention time is 40-80min, and temperature is 230-270 DEG C,
Temperature retention time is 100-140min.
Stator in steering pump of automobile the most according to claim 8, it is characterised in that
Described hardening heat is 920 DEG C, and temperature retention time is 60min, and temperature is 250 DEG C,
Temperature retention time is 120min.
Stator in steering pump of automobile the most according to claim 6, its feature exists
In, described stator carries out bonderizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705078.3A CN104564684B (en) | 2014-11-27 | 2014-11-27 | A kind of stator in steering pump of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705078.3A CN104564684B (en) | 2014-11-27 | 2014-11-27 | A kind of stator in steering pump of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104564684A CN104564684A (en) | 2015-04-29 |
| CN104564684B true CN104564684B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410705078.3A Active CN104564684B (en) | 2014-11-27 | 2014-11-27 | A kind of stator in steering pump of automobile |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109120106B (en) * | 2018-09-28 | 2019-08-23 | 浙江江宇电机有限公司 | Motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR1006627B (en) * | 2009-01-12 | 2009-12-08 | Δημητριος Χανιωτης | Rotary trhee-center internal combustion engine with lobe-like rotors |
| CN102072148A (en) * | 2009-11-25 | 2011-05-25 | 博世汽车柴油系统股份有限公司 | Vane pump |
| CN102459814A (en) * | 2009-04-16 | 2012-05-16 | 科罗纳集团有限公司 | Rotary machine with roller controlled vanes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6968823B2 (en) * | 2003-08-25 | 2005-11-29 | Matt Person | Rotary internal combustion engine |
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2014
- 2014-11-27 CN CN201410705078.3A patent/CN104564684B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR1006627B (en) * | 2009-01-12 | 2009-12-08 | Δημητριος Χανιωτης | Rotary trhee-center internal combustion engine with lobe-like rotors |
| CN102459814A (en) * | 2009-04-16 | 2012-05-16 | 科罗纳集团有限公司 | Rotary machine with roller controlled vanes |
| CN102072148A (en) * | 2009-11-25 | 2011-05-25 | 博世汽车柴油系统股份有限公司 | Vane pump |
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| CN104564684A (en) | 2015-04-29 |
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