CN106996309A - A kind of ceramic rotating shaft of supercharger turbine and its moulding process - Google Patents
A kind of ceramic rotating shaft of supercharger turbine and its moulding process Download PDFInfo
- Publication number
- CN106996309A CN106996309A CN201710184504.7A CN201710184504A CN106996309A CN 106996309 A CN106996309 A CN 106996309A CN 201710184504 A CN201710184504 A CN 201710184504A CN 106996309 A CN106996309 A CN 106996309A
- Authority
- CN
- China
- Prior art keywords
- turbine
- rotating shaft
- snap ring
- annular groove
- screw thread
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/005—Selecting particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/60—Assembly methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/60—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Supercharger (AREA)
Abstract
The present invention relates to a kind of ceramic rotating shaft of supercharger turbine, including turbine, rotating shaft and snap ring, there are turbine external screw thread, turbine optical axis, turbine annular groove and turbine positioning boss on the turbine, there are rotating shaft internal thread hole, rotating shaft unthreaded hole, rotating shaft annular groove, rotating shaft to be oriented to chamfering and rotating shaft technique annular groove in the rotating shaft, the snap ring is elastic opening ring and has snap ring to be oriented to chamfering and snap ring assembly technology inclined-plane.It is determined that turbine, rotating shaft and Snap ring structure size and complete turbine, rotating shaft and snap ring processing on the basis of, snap ring is placed in the annular groove of turbine, then the turbine that will be equipped with snap ring again is screwed by screw thread with rotating shaft and is assembled together, ensure that snap ring is assemblied in the annular groove of turbine and rotating shaft, the locking to turbine shaft attachment structure is realized, complete turbine shaft is formed.The invention can realize being reliably connected for ceramic rotating shaft of supercharger turbine, improve the reliability of turbine shaft.
Description
Technical field
The invention belongs to turbocharger arrangement design field, and in particular to a kind of ceramic rotating shaft of supercharger turbine.
Background technology
Turbocharger is one of critical component of turbocharged engine, turbine shaft as turbocharger core
Parts, are mainly formed by connecting by turbine and rotating shaft.At present, the turbine of turbocharger generally uses cast nickel-base alloy
(density of material is 8.0 × 10 to K418 materials3kg/m3), rotating shaft uses 42CrMo alloy steel materials.For by nickel base superalloy
The rotating shaft of the booster turbine and 42CrMo alloy steel makings of K418 material manufactures, can use friction welding or electron beam welding
Technique realizes being reliably connected for turbine and rotating shaft, forms turbine shaft.However, because K418 alloy material density is larger, by
The turbine rotation inertia of K418 alloys manufacture is also larger, causes the transient response of turbocharged engine poor.For reduction whirlpool
Take turns the low speed of rotary inertia, the transient response of raising exhaust gas turbocharge engine and the improvement engine of supercharger rotor
Can, booster turbine can be using new materials such as the less ceramics of density.
In addition, for turbocharger used in petrol engine, because booster turbine inlet temperature exists
More than 1000 DEG C, traditional nickel base superalloy K418 materials will be difficult to meet use requirement, and the new material application such as ceramics is in vapour
Oil turbine turbocharger can not only meet temperature in use requirement, and can reduce the rotary inertia of turbine, improve whirlpool
Take turns the transient response of engine with supercharger.
But, when booster turbine is using new materials such as ceramics, due to the new materials such as ceramics and 42CrMo alloy steel products
The compatibility of material is poor, is difficult to adopt friction-welding technique or electro-beam welding process realizes that the reliable of rotating shaft of supercharger turbine connects
Connect.Therefore, when booster turbine is using the manufacture of the new materials such as ceramics, turbine shaft needs to use new construction and new technology, enters
The new material such as row ceramics turbine with rotating shaft connection, to fully ensure that the reliability of rotating shaft of supercharger turbine.
The content of the invention
The present invention proposes a kind of ceramic rotating shaft of supercharger turbine.The locking to turbine shaft attachment structure can be achieved, and then
Form complete turbine shaft.
Technical scheme：
A kind of ceramic rotating shaft of supercharger turbine structure, including turbine, rotating shaft and snap ring, the turbine is close to one end of rotating shaft
Turbine external screw thread and turbine optical axis are sequentially provided with wheel hub from inside to outside, the externally threaded thread rotary orientation of turbine is with booster whirlpool
Direction of rotation when taking turns rotating shaft work is opposite；The turbine optical axis is provided with the turbine annular groove for being used for assembling snap ring, the turbine
The diameter of optical axis is less than or equal to the externally threaded core diameter of thread of turbine；
The rotating shaft is provided with close to one end of turbine in the rotating shaft internal thread hole mutually assembled with turbine external screw thread, the rotating shaft
The rotating shaft unthreaded hole that same turbine optical axis is mutually assembled is arranged at the bottom of screwed hole, and the rotating shaft unthreaded hole is provided with the rotating shaft for being used for assembling snap ring
Annular groove, is provided with rotating shaft technique annular groove, the rotating shaft technique annular groove and rotating shaft ring between the rotating shaft internal thread hole and rotating shaft unthreaded hole
Have on rotating shaft unthreaded hole between groove and be oriented to chamfering for assembling the rotating shaft of snap ring；
The snap ring is to have to be oriented to chamfering for the snap ring of assembling on the outside of elastic opening ring, one end of the snap ring, described
The angle that the snap ring of snap ring is oriented to chamfering is identical with the angle that rotating shaft is oriented to chamfering, has on the outside of the snap ring other end for anti-heavy
The snap ring assembly technology inclined-plane positioned again；
The turbine and rotating shaft are screwed and are assembled together by turbine external screw thread and rotating shaft internal thread hole, and the snap ring is simultaneously
It is assemblied in turbine annular groove and rotating shaft annular groove.
Further, there are turbine positioning boss and transition arc between the turbine external screw thread and the wheel back of the body.
Further, the normal direction on the snap ring assembly technology inclined-plane of the snap ring with the axis angle of snap ring at 3 ° -15 °
Between.
The moulding process of above-mentioned ceramic rotating shaft of supercharger turbine, comprises the following steps：
A, the dimensional parameters for determining turbine, rotating shaft and snap ring：Joined according to the turbine shaft of booster and the structure of bearing body
Number, determines turbine external screw thread, turbine optical axis, turbine annular groove, turbine positioning boss and transition that turbine is assembled with rotating shaft and snap ring
The size of circular arc, determines that rotating shaft is led with turbine and the rotating shaft internal thread hole of self-locking ring assembling, rotating shaft unthreaded hole, rotating shaft annular groove, rotating shaft
To chamfering and the size of rotating shaft technique annular groove, determine that internal diameter, external diameter, width, opening angle, the snap ring of snap ring are oriented to chamfering and card
The size on ring assembly technology inclined-plane；
B, turbine, rotating shaft and the processing of snap ring：The parameters of structural dimension of the turbine, rotating shaft and the snap ring that are determined according to step a,
It is processed, carries out rotating shaft processing, carries out snap ring processing；
C, turbine and snap ring assembling：Snap ring is placed in turbine annular groove, snap ring assembly technology inclined-plane is outside turbine
Screw thread side, snap ring is oriented to chamfering then away from turbine external screw thread side；
D, turbine and the screw thread of rotating shaft screw assembling：Turbine equipped with snap ring in step c is screwed with rotating shaft by screw thread
It is assembled together, it is ensured that turbine outer face is fitted with the outer face of rotating shaft 2, makes snap ring while being assemblied in turbine annular groove and rotating shaft ring
In groove, complete turbine shaft is formed, as shown in Figure 5.
The beneficial effects of the invention are as follows：
A kind of ceramic rotating shaft of supercharger turbine and Joining Technology, the combination knot being combined is locked using threaded connection with snap ring
Structure, on the basis of turbine, rotating shaft and snap ring dimensional parameters are rationally determined, by the processing and assembling of turbine, rotating shaft and snap ring,
Being reliably connected for ceramic rotating shaft of supercharger turbine can be realized, booster turbine can be efficiently solved using new materials such as ceramics
When the turbine shaft connectivity problem that exists.
Turbine has positioning boss not only to reduce the stress of booster turbine center portion on the wheel hub of rotating shaft side, improves
The working speed allowable of turbine, and turbine shaft can be improved be connected to certain integral rigidity.
Snap ring is respectively assembled in turbine annular groove and rotating shaft annular groove, it is possible to achieve to turbine and shaft thread attachment structure
Locking, prevents the threaded connection of turbine and rotating shaft from getting loose.Have guiding chamfering on rotating shaft and snap ring, be easy to rotating shaft and snap ring it
Between assembling.There is assembly technology inclined-plane on the outside of one end of snap ring, can effectively prevent snap ring with turbine and rotating shaft assembling process
In the problem of lead to not be installed in place due to resetting.
Brief description of the drawings
Fig. 1 is turbine structure schematic diagram.
Fig. 2 is pivot structure schematic diagram.
Fig. 3 is Snap ring structure schematic diagram.
Fig. 4 is Snap ring structure schematic diagram.
Fig. 5 is ceramic rotating shaft of supercharger turbine structural representation.
The turbine optical axis of 1 turbine, 2 rotating shaft, 3 snap ring, 4 turbine external screw thread 5
The rotating shaft technique annular groove of 6 turbine annular groove, 7 turbine positioning boss, 8 rotating shaft internal thread hole 9
10 rotating shafts are oriented to the snap ring of 11 rotating shaft annular groove of chamfering, 12 rotating shaft unthreaded hole 13 and are oriented to chamfering
14 snap ring assembly technology inclined-planes
Embodiment
A kind of ceramic rotating shaft of supercharger turbine structure, including turbine 1, rotating shaft 2 and snap ring 3, as shown in figure 1, the turbine 1
Turbine external screw thread 4 and turbine optical axis 5 are sequentially provided with from inside to outside on one end wheel hub of rotating shaft 2, the turbine external screw thread 4
Direction of rotation when thread rotary orientation works with rotating shaft of supercharger turbine is opposite；The turbine optical axis 5, which is provided with, to be used to assemble snap ring 3
Turbine annular groove 6, the diameter of the turbine optical axis 5 is less than or equal to the core diameter of thread of turbine external screw thread 4；
As shown in Fig. 2 the rotating shaft 2 is provided with the rotating shaft internal thread mutually assembled with turbine external screw thread 4 close to one end of turbine 1
Hole 8, the bottom of the rotating shaft internal thread hole 8 has to be set on the rotating shaft unthreaded hole 12 that same turbine optical axis 5 is mutually assembled, the rotating shaft unthreaded hole 12
There is the rotating shaft annular groove 11 for assembling snap ring 3, rotating shaft technique annular groove is provided between the rotating shaft internal thread hole 8 and rotating shaft unthreaded hole 12
9, have on the rotating shaft unthreaded hole 12 between the rotating shaft technique annular groove 9 and rotating shaft annular groove 11 and be oriented to for assembling the rotating shaft of snap ring 3
Angle 10,；
As shown in Figure 3,4, the snap ring 3 is to have the snap ring for assembling on the outside of elastic opening ring, one end of the snap ring 3
Chamfering 13 is oriented to, the angle of the snap ring guiding chamfering 13 of the snap ring 3 is identical with the angle that rotating shaft is oriented to chamfering 10, the snap ring
There is the snap ring assembly technology inclined-plane 14 for anti-resetting on the outside of 3 other ends；
As shown in figure 5, the turbine 1 and rotating shaft 2 screw by turbine external screw thread 4 and rotating shaft internal thread hole 8 and are assemblied in one
Rise, the snap ring 3 is assemblied in turbine annular groove 6 and rotating shaft annular groove 11 simultaneously.
There are turbine positioning boss 7 and transition arc between the turbine external screw thread 4 and the wheel back of the body.
The normal direction on the snap ring assembly technology inclined-plane 14 of the snap ring 3 with snap ring 3 axis angle preferably at 3 ° -15 °
Between.
The moulding process of above-mentioned ceramic rotating shaft of supercharger turbine, comprises the following steps：
A, the dimensional parameters for determining turbine 1, rotating shaft 2 and snap ring 3：According to the turbine shaft of booster and the structure of bearing body
Parameter, determines turbine external screw thread 4, turbine optical axis 5, turbine annular groove 6, turbine convex that turbine 1 is assembled with rotating shaft 2 and snap ring 3
The size of platform 7 and transition arc, determines rotating shaft internal thread hole 8, rotating shaft unthreaded hole 12 that rotating shaft 2 assembles with turbine 1 and snap ring 3, turns
Collar groove 11, rotating shaft are oriented to chamfering 10 and the size of rotating shaft technique annular groove 9, determine internal diameter, external diameter, width, the angular aperture of snap ring 3
Degree, snap ring are oriented to chamfering 13 and the size on snap ring assembly technology inclined-plane 14.For example, a diameter of Ф 95mm of certain booster turbine, axle
Body turbine end shaft hole diameter is held for Ф 27mm, direction of rotation when turbine shaft works is dextrorotation, according to turbine shaft and bearing
The structural parameters of body, it is determined that turbine external screw thread 4 size be M16 × 1-p6p6-LH, a diameter of Ф 12mm of turbine optical axis 5,
The depth of the turbine annular groove 6 of determination be 2.2mm, a width of 1.5mm, it is determined that turbine positioning boss 7 be higher by turbine wheel the back of the body 1.5mm；Really
The fixed size of rotating shaft internal thread hole 8 is that M16 × 1-H7H7-LH, the size of rotating shaft unthreaded hole 12 are Ф 12mm, it is determined that rotating shaft annular groove
11 depth is 1.7mm, a width of 1.5mm, and the angle that rotating shaft is oriented to chamfering 10 is 30 °；Internal diameter under the confined state of snap ring 3 of determination
For Ф 14mm, external diameter be Ф 10mm, width be 1.5mm, snap ring be oriented to chamfering 13 be 30 °, the method on snap ring assembly technology inclined-plane 14
Line direction is 10 ° with the axis angle preferred value of snap ring 3.
B, turbine 1, rotating shaft 2 and the processing of snap ring 3：The structure chi of the turbine 1, rotating shaft 2 and the snap ring 3 that are determined according to step a
Very little parameter, carries out the processing of turbine external screw thread 4, turbine optical axis 5, turbine annular groove 6, turbine positioning boss 7 and transition arc, carries out
Rotating shaft internal thread hole 8, rotating shaft unthreaded hole 12, rotating shaft annular groove 11, rotating shaft are oriented to the processing of chamfering 10 and rotating shaft technique annular groove 9, carry out
Snap ring 3 is processed；
The assembling of c, turbine 1 and snap ring 3：Snap ring 3 is placed in the turbine annular groove 6 on turbine optical axis 5, the dress of snap ring 3
With technique inclined-plane close to the side of turbine external screw thread 4, snap ring is oriented to side of the chamfering 13 then away from turbine external screw thread 4, such as Fig. 5 institutes
Show；
D, turbine 1 and the screw thread of rotating shaft 2 screw assembling：As shown in figure 5, the turbine 1 equipped with snap ring 3 in step c is turned together
Axle 2 is screwed by screw thread to be assembled together, it is ensured that the plane B on turbine 1 fits with the plane C in rotating shaft 2, makes snap ring 3 same
When be assemblied in turbine ring groove 6 and rotating shaft annular groove 11, form complete turbine shaft because the snap ring 3 is elastic opening ring,
After snap ring 3 is caught in turbine annular groove 6 and rotating shaft annular groove 11, because space becomes big, elastic opening ring reduction, because rotating shaft is oriented to
Space diameter at angle 10 is less than the space diameter at the space of rotating shaft annular groove 11, so snap ring 3 will not be ejected, realize turbine 1 with
The reliable locking of rotating shaft 2.
Claims (6)
1. a kind of ceramic rotating shaft of supercharger turbine structure, including turbine, rotating shaft and snap ring, the turbine are taken turns close to one end of rotating shaft
Turbine external screw thread and turbine optical axis, the same booster turbine of the externally threaded thread rotary orientation of turbine are sequentially provided with hub from inside to outside
Direction of rotation when rotating shaft works is opposite；The turbine optical axis is provided with the turbine annular groove for being used for assembling snap ring, the turbine light
The diameter of axle is less than or equal to the externally threaded core diameter of thread of turbine；
The rotating shaft is provided with the rotating shaft internal thread hole mutually assembled with turbine external screw thread, the rotating shaft internal thread close to one end of turbine
The rotating shaft unthreaded hole that same turbine optical axis is mutually assembled is arranged at the bottom in hole, and the rotating shaft unthreaded hole is provided with the rotating shaft ring for being used for assembling snap ring
Groove, is provided with rotating shaft technique annular groove, the rotating shaft technique annular groove and rotating shaft annular groove between the rotating shaft internal thread hole and rotating shaft unthreaded hole
Between rotating shaft unthreaded hole on have for assemble snap ring rotating shaft be oriented to chamfering；
The snap ring is to have to be oriented to chamfering, the snap ring for the snap ring of assembling on the outside of elastic opening ring, one end of the snap ring
Snap ring be oriented to chamfering angle it is identical with the angle that rotating shaft is oriented to chamfering, have fixed for anti-repetition on the outside of the snap ring other end
The snap ring assembly technology inclined-plane of position；
The turbine and rotating shaft are screwed when being assembled together by turbine external screw thread and rotating shaft internal thread hole, the same fashionable dress of snap ring
Fit in turbine annular groove and rotating shaft annular groove.
2. a kind of ceramic rotating shaft of supercharger turbine structure according to claim 1, it is characterised in that：The turbine external screw thread
There are turbine positioning boss and transition arc between the wheel back of the body.
3. a kind of ceramic rotating shaft of supercharger turbine structure according to claim 1, it is characterised in that：The snap ring of the snap ring
The normal direction on assembly technology inclined-plane with snap ring axis angle between 3 ° -15 °.
4. the moulding process of ceramic rotating shaft of supercharger turbine structure according to claim 1, comprises the following steps：
A, the dimensional parameters for determining turbine, rotating shaft and snap ring；
B, turbine, rotating shaft and the processing of snap ring；
C, turbine and snap ring assembling；
D, turbine and the screw thread of rotating shaft screw assembling.
5. moulding process according to claim 3, it is characterised in that：In step c, snap ring is placed on turbine optical axis
Turbine annular groove in, the assembly technology inclined-plane of snap ring is close to turbine external screw thread side, and snap ring is oriented to chamfering then away from spiral shell outside turbine
Line side.
6. moulding process according to claim 3, it is characterised in that：In step d：The whirlpool of snap ring will be housed in step c
Wheel is screwed with rotating shaft by screw thread to be assembled together, it is ensured that the outer face on outer face and rotating shaft on turbine fits, and makes card
Ring is assemblied in turbine annular groove and rotating shaft annular groove, forms complete turbine shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184504.7A CN106996309A (en) | 2017-03-24 | 2017-03-24 | A kind of ceramic rotating shaft of supercharger turbine and its moulding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184504.7A CN106996309A (en) | 2017-03-24 | 2017-03-24 | A kind of ceramic rotating shaft of supercharger turbine and its moulding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106996309A true CN106996309A (en) | 2017-08-01 |
Family
ID=59431549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710184504.7A Pending CN106996309A (en) | 2017-03-24 | 2017-03-24 | A kind of ceramic rotating shaft of supercharger turbine and its moulding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106996309A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318815A (en) * | 2019-07-18 | 2019-10-11 | 北京动力机械研究所 | A kind of closed cycle turbine electricity generation system ceramic rotor |
| CN115749965A (en) * | 2022-10-24 | 2023-03-07 | 北京动力机械研究所 | High-speed large-torque runoff ceramic turbine rotor structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87200362U (en) * | 1987-01-13 | 1988-02-03 | 哈尔滨市冶金综合制品厂 | Elastic ring connection device for transmission |
| JP2012077643A (en) * | 2010-09-30 | 2012-04-19 | Kobe Steel Ltd | Rotor for centrifugal fluid machinery |
| CN203796329U (en) * | 2014-01-28 | 2014-08-27 | 北京华晟环能科技有限公司 | Steam turbine |
| CN105863740A (en) * | 2016-03-24 | 2016-08-17 | 中国北方发动机研究所(天津) | High-reliability turbocharger turbine rotary shaft interlocking type connecting structure |
| CN106002284A (en) * | 2016-06-29 | 2016-10-12 | 中国北方发动机研究所(天津) | Automotive supercharger turbo rotating shaft structure and processing and assembling method thereof |
| CN106285787A (en) * | 2016-08-29 | 2017-01-04 | 奕森科技（上海）有限公司 | A kind of vehicle turbocharger turbine and the attachment structure of rotating shaft |
-
2017
- 2017-03-24 CN CN201710184504.7A patent/CN106996309A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87200362U (en) * | 1987-01-13 | 1988-02-03 | 哈尔滨市冶金综合制品厂 | Elastic ring connection device for transmission |
| JP2012077643A (en) * | 2010-09-30 | 2012-04-19 | Kobe Steel Ltd | Rotor for centrifugal fluid machinery |
| CN203796329U (en) * | 2014-01-28 | 2014-08-27 | 北京华晟环能科技有限公司 | Steam turbine |
| CN105863740A (en) * | 2016-03-24 | 2016-08-17 | 中国北方发动机研究所(天津) | High-reliability turbocharger turbine rotary shaft interlocking type connecting structure |
| CN106002284A (en) * | 2016-06-29 | 2016-10-12 | 中国北方发动机研究所(天津) | Automotive supercharger turbo rotating shaft structure and processing and assembling method thereof |
| CN106285787A (en) * | 2016-08-29 | 2017-01-04 | 奕森科技（上海）有限公司 | A kind of vehicle turbocharger turbine and the attachment structure of rotating shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318815A (en) * | 2019-07-18 | 2019-10-11 | 北京动力机械研究所 | A kind of closed cycle turbine electricity generation system ceramic rotor |
| CN115749965A (en) * | 2022-10-24 | 2023-03-07 | 北京动力机械研究所 | High-speed large-torque runoff ceramic turbine rotor structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106988784A (en) | A kind of radial-flow type rotating shaft of supercharger turbine structure and its moulding process | |
| EP1805398B1 (en) | Turbocharger with thrust collar | |
| CN103438058B (en) | The thread interference locking linkage structure of titanium aluminium rotating shaft of supercharger turbine | |
| US10036405B2 (en) | Impeller rotator and method of assembling said impeller rotator | |
| CN103244194B (en) | Threaded interference fitting method and threaded interference fitting structure for turbine impeller and rotary shaft | |
| US20040057834A1 (en) | Connection method for turbo charger turbine shaft | |
| US9879693B2 (en) | Exhaust gas turbocharger shaft having an impeller | |
| JPS60104798A (en) | Blade wheel apparatus for compressor and its production | |
| US8763248B2 (en) | Method for manufacturing aircraft engine cases with bosses | |
| US20120121397A1 (en) | Turbine rotor for a turbocharger, turbocharger and method for producing a turbine rotor | |
| CN106996309A (en) | A kind of ceramic rotating shaft of supercharger turbine and its moulding process | |
| CN103321685B (en) | Through-hole connection method and connection structure of titanium aluminum turbine impeller and rotating shaft | |
| CN103846613B (en) | The tapered tread method of attachment of booster turbine impeller and rotating shaft and attachment structure | |
| CN110360148A (en) | A kind of turbine thermoelectric conversion system threaded connection rotor structure | |
| CN103317307A (en) | Bi-arc self-locking interference threaded connection method and structure for titanium aluminum turbine and spindle | |
| EP3470626B1 (en) | Turbocharger having improved turbine wheel | |
| CN106002284B (en) | A kind of vehicle supercharger turbine pivot structure and its method for processing and assembling | |
| CN105666144B (en) | Combined booster turbine shaft and its method for processing and assembling | |
| JP2013224584A (en) | Centrifugal compressor and turbocharger | |
| JP2012092815A (en) | Supercharger | |
| CN105863740A (en) | High-reliability turbocharger turbine rotary shaft interlocking type connecting structure | |
| US9856887B2 (en) | Rotor of a supercharging device | |
| CN107816531A (en) | A kind of special stable type gear connection structure | |
| JP2012137099A (en) | Turbo supercharger | |
| CN106002283B (en) | A kind of embedded locking type rotating shaft of supercharger turbine structure and its fabrication technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170801 |