CN1690382A - Petrol engine turbocharger and method for manufacturing the same - Google Patents

Petrol engine turbocharger and method for manufacturing the same Download PDF

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Publication number
CN1690382A
CN1690382A CNA2004100204575A CN200410020457A CN1690382A CN 1690382 A CN1690382 A CN 1690382A CN A2004100204575 A CNA2004100204575 A CN A2004100204575A CN 200410020457 A CN200410020457 A CN 200410020457A CN 1690382 A CN1690382 A CN 1690382A
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CN
China
Prior art keywords
turbine
petrol engine
axle assembly
processing
mentioned
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Pending
Application number
CNA2004100204575A
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Chinese (zh)
Inventor
周彦学
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周彦学
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Application filed by 周彦学 filed Critical 周彦学
Priority to CNA2004100204575A priority Critical patent/CN1690382A/en
Publication of CN1690382A publication Critical patent/CN1690382A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Abstract

The invention discloses a turbocharger of petrol engine and its producing method, comprising gas compressor cabinet, supporting box, turbine box, and turbine, while it producing method comprising the steps of processing elements, assembling, and detection. Said invention solves the problem that the properties of existed turbochargers unfit the cars, increases the power of engine 30-50 %, reduces the fuel consumption about 8 %, and solves the pollution of car tail gas. The rotational speed of said invention can reach more than 200 thousand r/min, and the service life can more than 3 years. It is used to upgrade cars while simple use and wide market outlook.

Description

A kind of petrol engine turbosupercharger and manufacture method thereof
Affiliated technical field
The present invention relates to a kind of turbosupercharger, relate in particular to a kind of petrol engine turbosupercharger and manufacture method thereof that can be used for car.
Background technique
At present along with China's development of economic construction, various vehicles all increase every year with surprising rapidity, and thereupon to the efficient of vehicle, the discharging of fuel-economizing and tail gas has all proposed the requirement more wanted.Turbosupercharger is the critical component of supercharged engine, waste gas expansion working in turbine that motor is discharged, drive turbine and drive coaxial compressor impeller high speed rotating, fresh air enters cylinder after being compressed under the compressor impeller action of centrifugal force, because air density increases, the amount of fresh air that makes every work cycle enter cylinder increases, can spray into more fuel oil to cylinder, can increase the power output 30-50% of motor, reduce fuel consume about 8%.But present turbosupercharger is owing to the reason of structure and manufacture method also only is applied in lorry, sport car wait for bus, also be not used in the turbosupercharger of car, along with the enhancing of environmental protection, awareness of saving energy, be badly in need of a kind of good turbosupercharger of performance that can be used in car on the market.
Summary of the invention
Technical problem to be solved by this invention provides petrol engine turbosupercharger and the manufacture method thereof that a kind of car is used, and it has solved the problem that is fit to the good turbosupercharger of performance that car uses at present.
The present invention is achieved in that a kind of petrol engine turbosupercharger, it comprises the cabinet of calming the anger, supported box, turbine box, the cabinet that it is characterized in that calming the anger is by compressor casing, and is arranged on locking nut and the compressor impeller that compressor casing inside and ecto-entad set gradually and constitutes; Supported box is the blanking cover that is connected by the compressor impeller with the cabinet of calming the anger, the cushion rubber that is connected with blanking cover, the pressure side seal ring that links to each other with the intermediate portion of blanking cover, the oil baffle that is connected with the pressure side seal ring, the supporting that links to each other with oil baffle, the flinger ring that links to each other with supporting, the thrust bearing that links to each other with flinger ring, thrust ring that is connected with thrust bearing and thrust plate, the floating bearing that is connected with thrust plate, and center casing constitutes; Turbine box is the Diffuser that links to each other by with the other end of above-mentioned center casing, the turbine end seal ring that is connected with Diffuser, turbine that is connected with the turbine end seal ring and axle assembly and turbine case constitute, and the shaft portion of turbine and axle assembly is passed above-mentioned supported box and fixed by the locking nut of the cabinet of calming the anger.
A kind of manufacture method of petrol engine turbosupercharger, it comprises following step:
1). processing turbine and axle assembly: axostylus axostyle material selection 38 CrMoAc of turbine and axle assembly, what the heat treatment mode in course of working adopted is modified to 38 ° of-34 ° of Hrc, it is modified to 48 ° of-53 ° of Hrc to be treated to Ji nitrogen technology at the final surface heat of turbine and axle assembly, and the turbine of turbine and axle assembly adopts accurate casting in course of working;
2). the processing compressor casing: compressor casing adopts extrusion process;
3). the internal structure of processing center casing: the internal structure of intermediate is to adopt oil cooling to add the mode of water-cooled;
4). the processing floating bearing: floating bearing adopts EQSn-1, for floating type, adopts the mode of inside and outside circle cutting at one time moulding in the course of working;
5). detect compressor impeller, turbine and axle assembly: adopt semi-automatic balancing machine to detect;
6). assembling: above-mentioned parts and other parts by the common process manufacturing are assembled, made the petrol engine turbosupercharger;
7). complete machine detects: will be finished product behind the above-mentioned whole high speed balancing machine testing of petrol engine turbosupercharger process that assembles.
Advantage of the present invention and effect are as follows:
The invention solves the problem that is fit at present the good turbosupercharger of performance that car uses, make the power output of the motor of car increase 30-50%, reduce fuel consume about 8%, also solved simultaneously the automobile exhaust pollution problem of environment, more than turn up per minute 200,000 of the present invention changeed, operating life can reach more than 3 years, and adopting the present invention is the upgrading of car, it is beneficial to enforcement, has extensive market prospects.
In order further to confirm effect of the present invention and performance, technical testing made to the present invention in the special Beijing Institute of Technology turbosupercharger laboratory that asks, and below is test result, and test result sees annex one for details.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure, 1. compressor casing, 2. band, 3. locking nut, 4. compressor impeller, 5. blanking cover, 6. cushion rubber, 7. pressure side seal ring, 8. oil baffle, 9. supporting, 10. flinger ring, 11. thrust bearings, 12. thrust ring, 13. thrust plates, 14. floating bearings, 15. center casings, 16. Diffuser, 17. turbine end seal rings, 18. turbine end seal rings, 19. turbine and axle assembly, 20. bands, 21. turbine cases.
Embodiment
The petrol engine turbosupercharger is to be made of the cabinet of calming the anger, supported box and turbine box, and figure one is a structural representation of the present invention.
The cabinet of wherein calming the anger is by compressor casing 1; The band 2 that is connected with compressor casing 1 inboard projection; And be arranged on locking nut 3 and the compressor impeller 4 that compressor casing 1 inside and ecto-entad set gradually and constitute.
Above-mentioned supported box is the blanking cover 5 that is connected by the compressor impeller with the cabinet of calming the anger, the cushion rubber 6 that is connected with blanking cover 5, the pressure side seal ring 7 that links to each other with the intermediate portion of blanking cover 5, the oil baffle 8 that is connected with pressure side seal ring 7, the supporting 9 that links to each other with oil baffle 8 is with supporting 9 flinger rings that link to each other 10, the thrust bearing 11 that links to each other with flinger ring 10, thrust ring 12 that is connected with thrust bearing 11 and thrust plate 13, the floating bearing 14 that is connected with thrust plate 13, and center casing 15 constitutes; Blanking cover 5, cushion rubber 6, pressure side seal ring 7, oil baffle 8, supporting 9, thrust bearing 11, thrust ring 12, thrust plate 13 and floating bearing 14 are arranged in the center casing 15.
Above-mentioned turbine box is the Diffuser 16 that is linked to each other by the other end with above-mentioned center casing 15, two the turbine end seal rings 17,18 that are connected with Diffuser 16, an other end of turbine end seal ring 18 divides with the turbine portion of turbine and axle assembly 19 and links to each other, the shaft portion of turbine and axle assembly 19 is passed above-mentioned supported box and is fixed by the locking nut of the cabinet of calming the anger, Diffuser 16, turbine end seal ring 17,18 and turbine and axle assembly 19 are arranged in the turbine case 21, and the band 20 that is connected with the internal surface projection of turbine case 21 constitutes.
Above-mentioned compressor casing 1 links to each other with turbine case 21 by center casing 15.
The axostylus axostyle material selection 38CrMoAc of above-mentioned turbine and axle assembly 19; Floating bearing 14 adopts EQSn-1.
A kind of manufacture method of petrol engine turbosupercharger, it comprises following step:
1). processing turbine and axle assembly: the axostylus axostyle material selection 38CrMoAc of turbine and axle assembly, what the heat treatment mode in course of working adopted is modified to 38 ° of-34 ° of Hrc, it is modified to 48 ° of-53 ° of Hrc to be treated to Ji nitrogen technology at the final surface heat of turbine and axle assembly, the turbine of turbine and axle assembly adopts accurate casting in course of working, accurate casting comprises the steps:
Earlier do wax pattern with mould;
Ready-made wax pattern put in the refractory material be stained with, refractory material can be the silicon melten gel;
Drench husky to the wax pattern of from refractory material, taking out;
Put in the refractory material and be stained with drenching husky wax pattern, and then drench huskyly, so repeatedly about 7 times, the tension in order to bear casting the time so need enough thickness, forms the wax shell;
Then above-mentioned ready-made wax housing is put into baking oven baking, treat that wax core in the wax shell melts after, the wax that melts is poured out, continue baking, so just formed air-locked hollow shell; In above-mentioned hollow shell, pour casting liquid then into, form the turbine finished product;
2). the processing compressor casing: compressor casing adopts extrusion process, comprises the steps:
Adopt multiple embrane method to be Sha Xin, the proportioning between the sand in the husky core and each raw material should be allocated according to the material and the thaw temperature of casting liquid;
The die casting liquid that satisfies that is shaped is hung core to the core of vibration and impact requirement, core is fixed on the casting machine;
Hang up properly matched moulds behind the core, the distance of mould and core is desired to reserve by the wall thickness of the product that will produce and during matched moulds;
Spray behind the matched moulds, finish by die casting machine;
3). the internal structure of processing center casing: the internal structure of intermediate is to adopt oil cooling to add the mode of water-cooled;
4). the processing floating bearing: floating bearing adopts EQSn-1, for floating type, adopts the mode of inside and outside circle cutting at one time moulding in the course of working;
5). detect compressor impeller, turbine and axle assembly: the semi-automatic balancing machine that adopts the graceful and German Shen of U.S. Huo Tian gram;
6). assembling: above-mentioned parts and other parts by the common process manufacturing are assembled, made the petrol engine turbosupercharger;
7). complete machine detects: will be finished product behind the whole high speed balancing machine testing of the above-mentioned petrol engine turbosupercharger that assembles through the graceful and German Shen of U.S. Huo Tian gram.
Embodiment two
Embodiment's one described step processing turbine and axle assembly, processing compressor casing, the internal structure of processing center casing, the order of processing floating bearing can be changed, and other is with embodiment one.

Claims (9)

1. petrol engine turbosupercharger, it comprises the cabinet of calming the anger, supported box, turbine box, the cabinet that it is characterized in that calming the anger is by compressor casing (1), and is arranged on locking nut (3) and the compressor impeller (4) that compressor casing (1) inside and ecto-entad set gradually and constitutes; Supported box is the blanking cover (5) that is connected by the compressor impeller with the cabinet of calming the anger, the cushion rubber (6) that is connected with blanking cover (5), the pressure side seal ring (7) that links to each other with the intermediate portion of blanking cover (5), the oil baffle (8) that is connected with pressure side seal ring (7), the supporting (9) that links to each other with oil baffle (8), the flinger ring (10) that links to each other with supporting (9), the thrust bearing (11) that links to each other with flinger ring (10), thrust ring (12) that is connected with thrust bearing (11) and thrust plate (13), the floating bearing (14) that is connected with thrust plate (13), and center casing (15) constitutes; Turbine box is the Diffuser (16) that is linked to each other by the other end with above-mentioned center casing (15), the turbine end seal ring that is connected with Diffuser (16), turbine that is connected with the turbine end seal ring and axle assembly (19) and turbine case (21) constitute, the shaft portion of turbine and axle assembly (19) is passed above-mentioned supported box and is fixed by the locking nut of the cabinet of calming the anger, and Diffuser (16), turbine end seal ring and turbine and axle assembly (19) are arranged in the turbine case (21).
2. the described a kind of petrol engine turbosupercharger of claim 1 is characterized in that described turbine end seal ring is two, both turbine end seal ring (17) and turbine end seal ring (18).
3. the described a kind of petrol engine turbosupercharger of claim 1 is characterized in that the inboard projection of described compressor casing (1) is provided with band (2).
4. the described a kind of petrol engine turbosupercharger of claim 1 is characterized in that the internal surface projection of described turbine case (21) is provided with band (20).
5. the described a kind of petrol engine turbosupercharger of claim 1 is characterized in that described floating bearing (14) adopts EQSn-1.
6. the manufacture method of a petrol engine turbosupercharger: it comprises the steps:
1). processing turbine and axle assembly: the axostylus axostyle material selection 38CrMoAc of turbine and axle assembly, what the heat treatment mode in course of working adopted is modified to 38 ° of-34 ° of Hrc, it is modified to 48 ° of-53 ° of Hrc to be treated to Ji nitrogen technology at the final surface heat of turbine and axle assembly, and the turbine of turbine and axle assembly adopts accurate casting in course of working;
2). the processing compressor casing: compressor casing adopts extrusion process;
3). the internal structure of processing center casing: the internal structure of intermediate is to adopt oil cooling to add the mode of water-cooled;
4). the processing floating bearing: floating bearing adopts EQSn-1, for floating type, adopts the mode of inside and outside circle cutting at one time moulding in the course of working;
5). detect compressor impeller, turbine and axle assembly: adopt semi-automatic balancing machine to detect;
6). assembling: above-mentioned parts and other parts by the common process manufacturing are assembled, made the petrol engine turbosupercharger;
7). complete machine detects: will be finished product behind the above-mentioned whole high speed balancing machine testing of petrol engine turbosupercharger process that assembles.
According to claim 6 the manufacture method of above-mentioned a kind of petrol engine turbosupercharger, it is characterized in that described processing compressor casing comprises the steps:
Adopt multiple embrane method to be Sha Xin;
The die casting liquid that satisfies that is shaped is hung core to the core of vibration and impact requirement, core is fixed on the casting machine;
Hang up properly matched moulds behind the core, the distance of mould and core is desired to reserve by the wall thickness of the product that will produce and during matched moulds;
Spray behind the matched moulds, finish by die casting machine.
According to claim 6 the manufacture method of above-mentioned a kind of petrol engine turbosupercharger, it is characterized in that the turbine of described processing turbine and axle assembly adopts accurate casting, comprise the steps:
Earlier do wax pattern with mould;
Ready-made wax pattern put in the refractory material be stained with, refractory material can be the silicon melten gel;
Drench husky to the wax pattern of from refractory material, taking out;
Put in the refractory material and be stained with drenching husky wax pattern, and then drench huskyly, so repeatedly about 7 times, the tension in order to bear casting the time so need enough thickness, forms the wax shell;
Then above-mentioned ready-made wax housing is put into baking oven baking, treat that wax core in the wax shell melts after, the wax that melts is poured out, continue baking, so just formed air-locked hollow shell; In above-mentioned hollow shell, pour casting liquid then into, form the turbine finished product.
According to claim 6 the manufacture method of above-mentioned a kind of petrol engine turbosupercharger, it is characterized in that the internal structure of described step processing turbine and axle assembly, processing compressor casing, processing center casing, the order of processing floating bearing can change.
CNA2004100204575A 2004-04-26 2004-04-26 Petrol engine turbocharger and method for manufacturing the same Pending CN1690382A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2004100204575A CN1690382A (en) 2004-04-26 2004-04-26 Petrol engine turbocharger and method for manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2004100204575A CN1690382A (en) 2004-04-26 2004-04-26 Petrol engine turbocharger and method for manufacturing the same

Publications (1)

Publication Number Publication Date
CN1690382A true CN1690382A (en) 2005-11-02

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Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100460109C (en) * 2006-07-25 2009-02-11 周彦学 Method for producing supercharger air compressor shell and back plate using magnesium alloy and its use
CN102889100A (en) * 2011-07-19 2013-01-23 阿尔斯通技术有限公司 Turbine casing and method of manufacturing thereof
CN104209710A (en) * 2014-09-15 2014-12-17 重庆江增机械有限公司 Machining method for floating bush of turbocharger

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100460109C (en) * 2006-07-25 2009-02-11 周彦学 Method for producing supercharger air compressor shell and back plate using magnesium alloy and its use
CN102889100A (en) * 2011-07-19 2013-01-23 阿尔斯通技术有限公司 Turbine casing and method of manufacturing thereof
CN102889100B (en) * 2011-07-19 2015-06-17 阿尔斯通技术有限公司 Turbine casing and method of manufacturing thereof
US10001031B2 (en) 2011-07-19 2018-06-19 General Electric Technology Gmbh Turbine casing and method of manufacturing thereof
CN104209710A (en) * 2014-09-15 2014-12-17 重庆江增机械有限公司 Machining method for floating bush of turbocharger

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