CN2929194Y - Small turbocharger with mixed flow turbine and water cooling bearing - Google Patents
Small turbocharger with mixed flow turbine and water cooling bearing Download PDFInfo
- Publication number
- CN2929194Y CN2929194Y CNU2006201046997U CN200620104699U CN2929194Y CN 2929194 Y CN2929194 Y CN 2929194Y CN U2006201046997 U CNU2006201046997 U CN U2006201046997U CN 200620104699 U CN200620104699 U CN 200620104699U CN 2929194 Y CN2929194 Y CN 2929194Y
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- turbine
- mixed flow
- wheel
- bearing body
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 238000001816 cooling Methods 0.000 title claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000000498 cooling water Substances 0.000 claims description 18
- 239000002912 waste gas Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 25
- 238000007667 floating Methods 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Supercharger (AREA)
Abstract
The utility model discloses a small-sized turbocharger with a mixed turbine and a water cooled bearing body, which comprises a turbine shaft, a compressor scroll case, a bearing body, a turbine box, a blade-wheel of the gas compressor, a shaft sealing sleeve, an antithrust bearing and an antithrust flake, the turbine box is a mixed turbine box with flow-mixing structure, the turbine is a mixed turbine with flow-mixing structure, the mixed turbine is made of the blade-wheel of the turbine and the turbine shaft via friction welding, the bearing body is a water cooled bearing body with water-cooling structure, the mixed turbine, the water cooled bearing body and the mixed turbine box are all provided structures that engages with each other. The mixed turbine box and the blade-wheel of the turbine are capable of making better use of the heat energy, the kinetic energy and the pressure energy of the high-temperature exhaust gas discharged by discharge pipe, blowing the blades of the blade-wheel and driving the blade-wheel of the turbine to rotate, the rotating blade-wheel of the turbine drives the blade-wheel of the gas compressor which is fixed on the same rotation shaft, and the rotating gas compressor draws air in, thereby improving the density and the volume of the air that gets in to the cylinders of the motor.
Description
Technical field
The utility model relates to the engine turbine pressurized machine, particularly relates to the small sized turbine pressurized machine that has mixed flow turbine and water cooled bearing body, and the motor of its coupling has the effect that improves engine power, reduction fuel consumption rate, reduces the outlet pipe exhaust emission pollution.Be widely used in all kinds motor, be mainly vehicular engine, marine engine, also comprise that engineering machinery (as motor such as excavator, crawler belt starter motor, loader, bulldozer), farm machinery (as tractor, mowing machine) and each model generator set are with motor etc.
Background technique
The waste gas that common internal-combustion engine vent-pipe is discharged is taken away 25%～45% of fuel oil institute energize, that is to say that 1/3rd of the used fuel oil of non-supercharged engine have wasted.
Widely used at home at present small sized turbine pressurized machine is radial turbine, and small-sized radial-flow turbine pressurized machine is compared with world level, and turbine efficiency is on the low side, causes domestic small sized turbine pressurized machine total efficiency lower.Behind the coupling motor, the power character of its motor, Economy, environment protection emission level all more abroad fall behind.
And employed small sized turbine pressurized machine (impeller diameter is less than 60mm) is non-water cooled bearing body, can satisfy the needs of twentieth century motor.After entering 21st century, engine technology is constantly brought forth new ideas, when the high motor of coupling reinforcing degree, because the lubricating oil temperature height of motor own, the effect of oil lubrication pressurized machine bearing reduces, and can not satisfy the turbocharger rotor assembly and change the functional reliability requirement of high speed rotating to floating bearing and bearing disk with per minute 150000, makes bearing wear, turbocharger fails causes whole motor cisco unity malfunction.On small-sized pressurized machine, abroad small part adopts the water cooled bearing body, still belongs to blank at home.
Utility model patent as application number 200320124156 has disclosed " small sized turbine pressurized machine " and has been radial turbine, is made up of power turbine turbo machine, bearing support core assembly, receded disk impeller gas compressor, final controlling element assembly and bleed valve door assembly; Power turbine turbo machine and receded disk impeller gas compressor are individually fixed in bearing support core assembly two ends; The final controlling element assembly is installed on the turbine box of power turbine turbo machine, and it is connected with bleed valve door assembly on being installed on turbine box, and compressor impeller is fixed in the rotating shaft the other end of turbine rotor, and is installed in the two ends of bearing support with the turbine rotor cantilever; The rotating shaft of turbine rotor floats in the bearing hole of bearing support; Compressor impeller is pressed into thrust bearing, stuffing box gland, oil sealing cap in the bearing support gas compressor end from inside to outside successively; It is characterized in that the low wheel hub bus of described compressor impeller employing, the back ward impeller that leans forward that the deviated splitter vane degree of overlapping is high, turbine rotor adopts low inertia, big cambered surface non-uniform beam blade.The utility model has improved the dynamic balance accuracy of rotor assembly, it can reliablely and stablely be moved, but the problem of above-mentioned existence can't solve.
Along with the development that automotive industry is advanced by leaps and bounds, external continuous technological innovation of motor and update have proposed requirements at the higher level to turbosupercharger.
Summary of the invention
Technical problem to be solved in the utility model is the present situation at prior art, a kind of small sized turbine pressurized machine that has mixed flow turbine and water cooled bearing body is provided, it adopts mixed flow theory and mixed flow technology, improved the pressurized machine total efficiency, when making itself and Engine Matching, can further improve engine power, reduce fuel consumption rate, reduce the effect of outlet pipe exhaust emission pollution; And utilize the rotating shaft of lubricant oil, floating bearing, bearing disk and turbine rotor of the water quench water cooled bearing intracoelomic cavity of engine water cooling system, make the lubricating oil temperature of lubricated floating bearing remain on the temperature proper functioning of regulation.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: have the small sized turbine pressurized machine of mixed flow turbine and water cooled bearing body, comprise equipped mutually turbine shaft, compressor volute, bearing support, turbine box, compressor impeller, axle big envelope, thrust bearing and thrust plate etc.
The measure of taking comprises: turbine box is the mixed flow turbine case that has the mixed flow structure, and turbine is the mixed flow turbine with mixed flow structure, and mixed flow turbine is integrally welded by friction-welding technique by mixed flow turbine impeller and turbine shaft;
Bearing support is the water cooled bearing body with water-cooling structure; Mixed flow turbine, water cooled bearing body and mixed flow turbine case have suitable structure; The heat energy that high-temp waste gas contained, kinetic energy and pressure energy that mixed flow turbine case and mixed flow turbine can the more efficient use outlet pipe be discharged blow the blade of turbine wheel, drive the turbine wheel rotation; The related compressor impeller that is fixed in the same rotating shaft of turbine wheel of rotation rotates with synchronous speed; The compressor impeller of rotation sucks air, and the pressure of air is increased, and improves the air density that enters cylinder, increases the air inflow of motor, promotes the perfect combustion of fuel and the more fuel oil that can burn.
The measure of taking also comprises: the mixed flow turbine case is the combined flow turbine case of variable cross section, and it has turbine box import, turbine box runner, turbine box outlet.
The turbine wheel diameter is less than 60mm.
The water cooled bearing body has cooling water intake, cooling water outlet, water cavity passage and oil leab; At the water cooled bearing intracoelomic cavity, be positioned at turbine wheel one side, be provided with the water cavity passage around oil leab and turbine shaft passage, water cavity passage perisporium is around oil leab and turbine shaft passage;
Have in the water cavity passage from engine water cooling system and attract cooling water, the pressure that this cooling water produces through engine water pump, make it center on oil leab and turbine shaft channel flow, adhere to and take away the heat of lubricant oil and the heat of coming through water cooled bearing body conduction from turbine wheel end high-temp waste gas; And also take away turbine shaft and floating bearing friction, floating bearing and the fricative heat of water cooled bearing body internal diameter;
The lubricant oil of water cooled bearing intracoelomic cavity, floating bearing, bearing disk and turbine shaft are cooled off through the conduction of water cavity passage perisporium at cooling water.
Compressor volute has the air intlet district, compressor impeller has low wheel hub, the big cambered surface palintrope structure that leans forward, this compressor impeller rotation sucks air from the air intlet district, make air to compression energy accumulation regions energy accumulating by vane diffuser on it and compressor volute Diffuser; The pressurized air of energy accumulating is through the burning work done district burning work done of engine air inlet tube to the engine cylinder; By mixed flow turbine case mixed flow variable cross section passage the waste gas compression energy is assembled through mixed flow worm gear work done district the work done of mixed flow worm gear; The waste gas that motor has energy enters mixed flow turbine case passage mixed flow.
Compared with prior art, the utility model is the combustion theory in cylinder in conjunction with air and combustion medium, theory with combustion gas heat-merit conversion, and on the basis of air-flow fluid work done effect in ternary space in pressurized machine, innovate and proposed mixed flow theory and mixed flow technology in small sized turbine pressurized machine field, adopting the mixed flow turbine design and manufacturing technology of mixed flow theory and innovation and ripe structure characteristic is the small-sized mixed flow turbine of one, and the efficient that has improved turbine stage is about 3%.The water cooled bearing body has cooling water intake, cooling water outlet, water cavity passage and oil leab; In the water cooled bearing body, in turbine wheel one side, be provided with the water cavity passage around oil leab and turbine shaft passage, water cavity passage perisporium is around oil leab and turbine shaft passage; Have in the water cavity passage from engine water cooling system and attract cooling water, the pressure that this cooling water produces through engine water pump, make it center on oil leab and turbine shaft channel flow, adhere to and take away the heat of lubricant oil and the heat of coming through water cooled bearing body conduction from turbine wheel end high-temp waste gas; And also take away turbine shaft and floating bearing friction, floating bearing and the fricative heat of water cooled bearing body internal diameter; Improve lubrication effect, guaranteed the reliably working of pressurized machine bearing arrangement.
Description of drawings
Fig. 1 is the whole equipped structure cross-sectional schematic of the utility model embodiment;
Fig. 2 is the sectional structure schematic representation of turbine wheel among Fig. 1;
Fig. 3 A is the structural representation of mixed flow turbine case among Fig. 1;
Fig. 3 B is that the broken section structural representation is looked on Fig. 3 A left side;
Fig. 3 C is Fig. 3 A backsight broken section structural representation;
Fig. 4 A is a water cooled bearing body profile structural representation among Fig. 1;
Fig. 4 B is Fig. 4 A cross section sectional structure schematic representation;
Fig. 4 C is Fig. 4 A longitudinal section sectional structure schematic representation;
Fig. 5 is a working principle schematic representation among Fig. 1.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1 is to shown in Figure 5, the small sized turbine pressurized machine that has mixed flow turbine and water cooled bearing body, comprise equipped mutually turbine shaft, compressor volute 2, bearing support, turbine box, compressor impeller 7, axle big envelope 9, thrust bearing and thrust plate 11 also comprise equipped mutually Anchor plate kit 5, bleed valve 6, shaft end nut 8, seal ring 10, oil sealing cap 12, bearing disk 13, grease baffle 14, oil sealing cap screw 15, floating bearing back-up ring 16, gas compressor pressing plate 18, turbine box pressing plate 19, thermal shield 20, support 21, clip 22, sebific duct 23, O type circle 24, packing ring 25, gas compressor follower bolt 26, turbine box follower bolt 27, back-up ring 28.
Turbine box is the mixed flow turbine case 4 that has the mixed flow structure that is complementary with the mixed flow turbine impeller;
Turbine is the mixed flow turbine 1 with mixed flow structure, and mixed flow turbine 1 is specified to one by mixed flow turbine impeller 1a and turbine shaft 1b by friction welding; Turbine wheel 1a diameter is less than 60mm, and its impeller blade blade profile (equation) has significant difference with axial flow turbine vane foil (equation) and radial-flow turbine vane foil (equation), and the three-dimensional modeling design of the small-sized mixed flow turbine impeller blade profile of this patent is complicated.
Bearing support is the water cooled bearing body 3 with water-cooling structure; Mixed flow turbine 1, water cooled bearing body 3 and mixed flow turbine case 4 have suitable structure; Mixed flow turbine case 4 more effectively utilizes the heat energy that high-temp waste gas contained, kinetic energy and the pressure energy of outlet pipe discharge, blows the blade of mixed flow turbine impeller 1, drives turbine wheel 1 high speed rotating; The mixed flow turbine impeller can more effective, more be transformed into effective merit with the heat energy that high-temp waste gas contained, kinetic energy and the pressure of flowing through, make turbine wheel 1 have more, stronger acting energy, the compressor impeller 7 that drive is fixed in the same rotating shaft rotates with synchronous speed, gives compressor impeller with more, stronger acting energy transfer; Thereby the compressor impeller 7 of rotation can suck more air, and the pressure of air is increased relatively, further improved the air density that enters cylinder, increase the air inflow of motor, promote the perfect combustion of fuel and the more fuel oil that can burn, impel engine emission can reach Europe II, III, reach Europe IV standard long term, further raising, fuel consumption rate further reduce engine power again simultaneously.
Mixed flow turbine case 4 is the combined flow turbine case of variable cross section, and it has turbine box import 4a, turbine box runner 4b, turbine box outlet 4c.
Water cooled bearing body 3 has cooling water intake 3a, cooling water outlet 3b, water cavity passage 3c and oil leab 3d; Water cooled bearing body 3 inner chambers are positioned at turbine wheel 1a one side, are provided with water cavity passage 3b around oil leab 3d and turbine shaft 1b passage, and water cavity passage 3b perisporium is around oil leab 3d and turbine shaft 1b passage;
Have from engine water cooling system among the water cavity passage 3b and attract cooling water, the pressure that this cooling water produces through engine water pump, make it center on oil leab 3d and turbine shaft 1b channel flow, adhere to and take away the heat of lubricant oil and the heat of coming through 3 conduction of water cooled bearing body from turbine wheel 1a end high-temp waste gas; And also take away 17 frictions of turbine shaft 1b and floating bearing, floating bearing 17 and the fricative heat of water cooled bearing body 3 internal diameters; Make the lubricating oil temperature of lubricated floating bearing remain on low relatively temperature (general≤120 ℃), thereby guaranteed lubricated oil performance, guaranteed the proper functioning of bearing arrangement.
The lubricant oil of water cooled bearing body 3 inner chambers, floating bearing 17, bearing disk 13 and turbine shaft 1b cool off through the conduction of water cavity passage 3b perisporium at cooling water.
On the small sized turbine pressurized machine, adopt to have the small-sized mixed flow turbine of mixed flow theory and mixed flow turbine technology and the turbine box that is complementary, make the motor of its coupling can further improve engine power, reduce fuel consumption rate, reduce the effect of outlet pipe exhaust emission pollution.And go up the water cooled bearing body that employing has water-cooled at small sized turbine pressurized machine (impeller diameter is less than 60mm), it utilizes the water of engine water cooling system, and cooling is positioned at the rotating shaft of lubricant oil, floating bearing, bearing disk and the turbine rotor of water cooled bearing intracoelomic cavity; Have cooling water intake, cooling water outlet, water cavity passage and oil leab in the water cooled bearing body and form perfect cooling structure.
The utility model is the combustion theory in cylinder in conjunction with air and combustion medium, the theory of combustion gas heat-merit conversion, and on the basis of the fluid in air-flow ternary space in pressurized machine calculating, innovate and proposed mixed flow theory and mixed flow technology in small sized turbine pressurized machine field, adopting the mixed flow turbine design and manufacturing technology of mixed flow theory and innovation and ripe structure characteristic is the small-sized mixed flow turbine of one, and the efficient that has improved turbine stage is about 3%.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (5)
1, the small sized turbine pressurized machine that has mixed flow turbine and water cooled bearing body comprises equipped mutually turbine shaft, compressor volute (2), bearing support, turbine box, compressor impeller (7), axle big envelope (9), thrust bearing and thrust plate, it is characterized in that:
Described turbine box is the mixed flow turbine case (4) that has the mixed flow structure, and described turbine is the mixed flow turbine (1) with mixed flow structure, and described mixed flow turbine (1) is by mixed flow turbine impeller (1a) and the equipped formation of turbine shaft (1b);
Described bearing support is the water cooled bearing body (3) with water-cooling structure; Described mixed flow turbine (1), water cooled bearing body (3) and mixed flow turbine case (4) have suitable structure; The blade of the turbine wheel (1) in described mixed flow turbine case (4) inner chamber cooperates to drive turbine wheel (1) rotation; The related compressor impeller (7) that is fixed in the same rotating shaft of turbine wheel (1) of rotation rotates with synchronous speed.
2, the small sized turbine pressurized machine that has mixed flow turbine according to claim 1, it is characterized in that: described mixed flow turbine case (4) is the combined flow turbine case of variable cross section, and it has turbine box import (4a), turbine box runner (4b), turbine box outlet (4c); Described mixed flow turbine is equipped for integrally welded by friction-welding technique by mixed flow turbine impeller and turbine shaft.
3, the small sized turbine pressurized machine that has mixed flow turbine according to claim 1 is characterized in that: described turbine wheel (1a) diameter is less than 60mm.
4, according to claim 1 or the 2 or 3 described small sized turbine pressurized machines that have mixed flow turbine, it is characterized in that: described water cooled bearing body (3) has cooling water intake (3a), cooling water outlet (3b), water cavity passage (3c) and oil leab (3d); At described water cooled bearing body (3) inner chamber, be positioned at turbine wheel (1a) side, be provided with water cavity passage (3b) around described oil leab (3d) and turbine shaft (1b) passage, water cavity passage (3b) perisporium is around oil leab (3d) and turbine shaft (1b) passage.
5, the small sized turbine pressurized machine that has mixed flow turbine according to claim 4, it is characterized in that: described compressor volute (2) has air intlet district (C), described compressor impeller (7) has low wheel hub, the big cambered surface palintrope structure that leans forward, this compressor impeller (7) has the air intlet district (C) that rotation sucks air, makes the energy accumulating district (A) of air to the compression energy gathering by vane diffuser on it and compressor volute (2) Diffuser; Through the burning work done district (E) with the pressurized air burning work done of energy accumulating of described water cooled bearing body (3) to the engine cylinder; Make the mixed flow worm gear work done district (B) of waste gas compression energy gathering by mixed flow turbine case (4) mixed flow variable cross section passage to the work done of mixed flow worm gear; The waste gas that motor has energy enters the mixed flow passage (F) of mixed flow turbine case (4) mixed flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201046997U CN2929194Y (en) | 2006-06-15 | 2006-06-15 | Small turbocharger with mixed flow turbine and water cooling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201046997U CN2929194Y (en) | 2006-06-15 | 2006-06-15 | Small turbocharger with mixed flow turbine and water cooling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2929194Y true CN2929194Y (en) | 2007-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201046997U Expired - Lifetime CN2929194Y (en) | 2006-06-15 | 2006-06-15 | Small turbocharger with mixed flow turbine and water cooling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2929194Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104040143A (en) * | 2012-01-25 | 2014-09-10 | 博格华纳公司 | Integrated Turbocharger Casting |
| CN106014605A (en) * | 2016-06-30 | 2016-10-12 | 奕森科技（上海）有限公司 | Mixed-flow turbosupercharger for integration vehicle |
-
2006
- 2006-06-15 CN CNU2006201046997U patent/CN2929194Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104040143A (en) * | 2012-01-25 | 2014-09-10 | 博格华纳公司 | Integrated Turbocharger Casting |
| CN106014605A (en) * | 2016-06-30 | 2016-10-12 | 奕森科技（上海）有限公司 | Mixed-flow turbosupercharger for integration vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO TIANLI SUPERCHARGER CO., LTD. Free format text: FORMER OWNER: WU JIE Effective date: 20080711 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080711 Address after: Zhejiang province Ningbo Jiangbei Haichuan Road 168 Lane No. 1 Ningbo Tianli turbocharger Co. Ltd., zip code: 315032 Patentee after: Ningbo Tianli Turbocharger Co., Ltd. Address before: Zhejiang province Ningbo Jiangbei Haichuan Road 168 Lane No. 1, zip code: 315032 Patentee before: Wu Jie |
|
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO WEIFU TIANLI TURBOCHARGING TECHNOLOGY CO., Free format text: FORMER NAME: NINGBO TIANLI TURBOCHARGER CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 315032 Zhejiang Province, Ningbo Jiangbei District Haichuan Road 168 Lane No. 1 Patentee after: Ningbo Weifu Tianli Turbocharging Technology Co., Ltd. Address before: 315032 Zhejiang province Ningbo Jiangbei Haichuan Road 168 Lane No. 1 Ningbo Tianli turbocharger Co. Ltd. Patentee before: Ningbo Tianli Turbocharger Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070801 |
|
| EXPY | Termination of patent right or utility model |