CN102536431B - Gasoline engine turbocharger - Google Patents
Gasoline engine turbocharger Download PDFInfo
- Publication number
- CN102536431B CN102536431B CN201210015821.3A CN201210015821A CN102536431B CN 102536431 B CN102536431 B CN 102536431B CN 201210015821 A CN201210015821 A CN 201210015821A CN 102536431 B CN102536431 B CN 102536431B
- Authority
- CN
- China
- Prior art keywords
- thrust bearing
- worm wheel
- bearing
- turbine
- turbocharger
- 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.)
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Links
- 238000007667 floating Methods 0.000 claims abstract description 13
- 239000000498 cooling water Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 7
- 229910001141 Ductile iron Inorganic materials 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000000314 lubricant Substances 0.000 claims description 12
- 210000004907 gland Anatomy 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000003921 oil Substances 0.000 abstract description 13
- 238000005461 lubrication Methods 0.000 abstract description 6
- 239000010687 lubricating oil Substances 0.000 abstract 2
- 238000007789 sealing Methods 0.000 abstract 2
- 238000005266 casting Methods 0.000 abstract 1
- 238000010894 electron beam technology Methods 0.000 abstract 1
- 239000000543 intermediate Substances 0.000 description 21
- 239000007789 gas Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Supercharger (AREA)
Abstract
The invention discloses a gasoline engine turbocharger, which comprises a worm wheel casing, a middle body and a compressor casing, wherein the worm wheel casing, the middle body and the compressor casing are connected together. A worm in the turbocharger is provided with a hollow portion, a worm wheel and the worm are fixedly installed together by adopting an electron beam welding process, a heat shield is arranged between the middle body and the worm wheel casing, and a lubricating oil cavity and a cooling water cavity are arranged in the middle body. The worm wheel casing is formed by casting nodular cast iron, an inner thrust bearing is arranged between the middle body and a worm wheel shaft, an outer thrust bearing is arranged between the compressor casing and the worm wheel shaft, and a thrust piece is arranged between the inner thrust bearing and the outer thrust bearing. A sealing sleeve is sleeved on the worm wheel shaft, the outer thrust bearing is installed on the sealing sleeve, and an actuator comprises an air-release valve and an air valve connecting rod. The gasoline engine turbocharger effectively block heat transfer from the worm wheel end to the middle body, ensures lubrication quality of lubricating oil at the worm wheel end, solves the problems including worm wheel shaft getting-stuck, shaft grinding and the like caused by lubrication failure of a floating bearing, and solves the problem that the side of an air compressor of the gasoline engine turbocharger leaks oil.
Description
Technical field
The present invention relates to a kind of turbosupercharger, relate in particular to a kind of turbocharger for gasoline engine.
Background technique
Turbosupercharger itself is not a kind of power source, it is to utilize the dump energy in engine exhaust to carry out work, its effect is to provide more air to motor, turbosupercharger is arranged on engine exhaust pipe, the waste gas that cylinder is discharged promotes turbine rotation, drive again compressor impeller after the pressurization of air-strainer filtered air, to send into cylinder, because entering the air of cylinder increases, so allow to spray into more fuel oil or fuel oil burnt more fully, thereby make motor produce larger power, therefore turbosupercharger has in the situation that petrol engine structure is constant, improve power, reduce fuel consumption rate, increase low speed torque, reduce exhaust pollution, the advantages such as plateau power recovery, but, because turbosupercharger is that the waste gas that has utilized cylinder to discharge carrys out expansion working, its operating temperature is up to more than 850 ℃, reason because of heat transmission, the floating bearing that makes booster turbine end damages because of lubrication failure, generation turbine shaft is stuck, grind the problems such as axle, turbine is in the using process of turbosupercharger in addition, can produce gas compressor side leakage wet goods problem, these have all affected the functional reliability of turbosupercharger.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of turbocharger for gasoline engine, solves the impact of transmitting because of temperature heat and causes the floating bearing of turbine end because the rotating shaft that lubrication failure produces is stuck, grind the problems such as axle.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of turbocharger for gasoline engine, comprise turbocharger housing, turbosupercharger comprises turbine case, intermediate and the compressor casing linking together, in turbocharger housing, be rotatablely equipped with turbine shaft, turbine shaft is provided with hollow portion.
As preferred technological scheme, turbine shaft comprises turbine and the scroll bar being installed together, and hollow portion is arranged on scroll bar.
As preferred technological scheme, turbine and scroll bar adopt electro-beam welding process to be fixedly installed togather.
As preferred technological scheme, between intermediate and turbine case, there is thermal shield.
As preferred technological scheme, in intermediate, be provided with lubricant reservoir and cooling water chamber, lubricant reservoir is provided with oil inlet hole and spill port, and cooling water chamber is provided with water intake and water outlet.
As preferred technological scheme, the turbine case of turbine case for adopting spheroidal graphite cast iron to cast.
As preferred technological scheme, between intermediate and turbine shaft, be provided with interior thrust bearing, between compressor casing and turbine shaft, be provided with outer thrust bearing, between interior thrust bearing and outer thrust bearing, be provided with thrust plate.
As preferred technological scheme, on turbine shaft, be set with stuffing box gland, outer thrust bearing is arranged on stuffing box gland, between stuffing box gland and compressor casing, is provided with seal ring.
As preferred technological scheme, turbocharger for gasoline engine also comprises the final controlling element being installed on compressor casing, and final controlling element comprises bleed valve and valve connecting rod.
Owing to having adopted technique scheme, the invention has the beneficial effects as follows: turbocharger for gasoline engine structurally adopts turbine and scroll bar weld to hollow out processing, be provided with hollow portion, and be provided with thermal shield between intermediate and turbine case, on intermediate, have in addition cooling water chamber, this structure has effectively been blocked the heat transmission of turbine end to intermediate, has guaranteed the lubricating quality of turbine end lubricant oil, prevented from losing efficacy because of bearing lubrication, the turbine shaft of generation is stuck, grind the problems such as axle; Between intermediate and turbine shaft, be provided with interior thrust bearing, between compressor casing and turbine shaft, be provided with outer thrust bearing, between interior thrust bearing and outer thrust bearing, be provided with thrust plate, effectively controlled the axial clearance of turbine shaft, reduce the content of the lubricant oil of gas compressor end oil pocket, thereby greatly reduced the rate of fault of gas compressor end leakage of oil; The turbine case of turbine case for adopting spheroidal graphite cast iron to cast, has solved petrol engine because arranging the high turbine case distortion causing of temperature and the problem of hot tearing.
Accompanying drawing explanation
Fig. 1 is the structural representation of turbocharger for gasoline engine of the present invention;
Fig. 2 is the schematic diagram of the turbine shaft hollow structure of turbocharger for gasoline engine of the present invention;
In figure: 1. turbine case, 2. thermal shield, 3. turbine shaft, 4. seal ring, 5. end ring, 6. floating bearing, 7. bearing spacer, 8. interior thrust bearing, 9. compressor casing, 10. thrust plate, 11. air compressor wheels, 12. locking nuts, 13. stuffing box glands, 14. connecting plates, 15. outer thrust bearings, 16. intermediates, 17. final controlling element, 18. turbines, 19. hollow portions, 20. worm screws.
Embodiment
Below in conjunction with embodiment, further set forth the present invention.Should be understood that these embodiments are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As Fig. 1, shown in Fig. 2: a kind of turbocharger for gasoline engine, comprise turbocharger housing, turbosupercharger comprises the turbine case 1 linking together, intermediate 16 and compressor casing 9, in turbocharger housing, be rotatablely equipped with turbine shaft 3, turbine shaft 3 is provided with hollow portion 19, turbine shaft 3 comprises turbine 18 and the scroll bar 20 being installed together, hollow portion 19 is arranged on scroll bar 20, turbine 18 and scroll bar 20 adopt electro-beam welding process to be fixedly installed togather, between intermediate 16 and turbine case 1, there is thermal shield 2, in intermediate 16, be provided with lubricant reservoir and cooling water chamber, lubricant reservoir is provided with oil inlet hole and spill port, cooling water chamber is provided with water intake and water outlet, turbine case 1 is for adopting spheroidal graphite cast iron to cast, between intermediate 16 and turbine shaft 3, be provided with interior thrust bearing 8, between compressor casing 9 and turbine shaft 3, be provided with outer thrust bearing 15, between interior thrust bearing 8 and outer thrust bearing 15, be provided with thrust plate 10, on turbine shaft 3, be set with stuffing box gland 13, outer thrust bearing 15 is arranged on stuffing box gland 13, between stuffing box gland 13 and compressor casing 9, be provided with seal ring 4, turbocharger for gasoline engine also comprises the final controlling element 17 being installed on compressor casing 9, final controlling element 17 comprises bleed valve and valve connecting rod.
Intermediate one end is by clip connected turbine case 1, the connecting plate 14 that the other end connects by fastening screw trip bolt connects compressor casing 9, in intermediate 16, be provided with rotor assembly, rotor assembly comprises coaxial mounted turbine 18, worm screw 20, thrust plate 10, stuffing box gland 13, seal ring 4, locking nut 12 on air compressor wheel 11 and turbine shaft 3, rotor assembly is placed in intermediate 16 by the supporting of floating bearing 6, between them, be Spielpassung, floating bearing 6 is by end ring 5, bearing spacer 7 and interior thrust bearing 8 are positioned in the bearing hole of intermediate 16, bearing spacer 7 is arranged between floating bearing 6, air compressor wheel 11 and turbine shaft 3 be connected and turbine 18 was and is rigidly connected with being connected of worm screw 20, turbine case 1 suction port is connected with petrol engine gas exhaust manifold, the combustion gas of High Temperature High Pressure promotes turbine 18 rotations in turbine chamber, turbine 18 drives again 11 rotations of coaxial air compressor wheel, the air that air compressor wheel 11 force feeds are sent here by air-strainer pipeline, make it supercharging and enter cylinder, improved the fuel oil Ji property of petrol engine, increase the power of motor, reduced discharge simultaneously.
Turbocharger for gasoline engine structurally adopts on intermediate 16 weld of cooling water chamber and turbine 18 and turbine shaft 3 to hollow out to process and forms hollow portion 19, and there is thermal shield 2 between intermediate 16 and turbine case 1, effectively blocked the heat transmission of turbine 18 ends to intermediate 16, guaranteed the lubricating quality of turbine 18 end lubricant oil, prevented the lubrication failure because of floating bearing 6, the turbine shaft 3 of generation is stuck, grind the problems such as axle; Turbine case 1 adopts the heat-resisting ductile Ni-resist cast iron that reaches 950 ℃ to cast, and has solved petrol engine because arranging the problem of the high turbine case causing 1 distortion of temperature and hot tearing; The structural design of thrust bearing 8 and outer thrust bearing 15 in adopting in addition, effectively offset the pressure influence of air compressor wheel 11 sides, guaranteed the stress equalization of rotor assembly, controlled the axial clearance of rotor assembly, reduce the content of the lubricant oil of gas compressor end oil pocket, thereby greatly reduced the rate of fault of gas compressor end leakage of oil; Lubricant oil is to enter floating bearing 6, bearing spacer 7 and the interior thrust bearing 8 of rotor assembly and the gap between outer thrust bearing 15 by lubricant reservoir; and form one deck oil guard film; play lubricated and cooling action; cooling water flows into from the water intake of cooling chamber; from the water outlet of cooling water chamber, flow out, play the effect that reduces intermediate rotor assembly temperature.
More than show and described basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof
.
All from the present invention is to devise, within the Structural Transformation of having done without creative work all drops on protection scope of the present invention.
Claims (2)
1. a turbocharger for gasoline engine, comprise turbocharger housing, described turbosupercharger comprises the turbine case linking together, intermediate and compressor casing, in described turbocharger housing, be rotatablely equipped with turbine shaft, described turbine shaft is provided with to hollow out processes the hollow portion forming, in intermediate, be provided with rotor assembly, rotor assembly is placed in intermediate by the supporting of floating bearing, it is characterized in that: between described intermediate and turbine shaft, be provided with interior thrust bearing, between described compressor casing and turbine shaft, be provided with outer thrust bearing, between described interior thrust bearing and outer thrust bearing, be provided with thrust plate, floating bearing passes through end ring, bearing spacer and interior thrust bearing are positioned in the bearing hole of intermediate, bearing spacer is arranged between floating bearing, floating bearing, between bearing spacer and interior thrust bearing and outer thrust bearing, be provided with gap, in described intermediate, be provided with lubricant reservoir and cooling water chamber, described lubricant reservoir is provided with oil inlet hole and spill port, described cooling water chamber is provided with water intake and water outlet, described turbine shaft comprises turbine and the scroll bar being installed together, described hollow portion is arranged on described scroll bar, described turbine and scroll bar adopt electro-beam welding process to be fixedly installed togather, the turbine case of described turbine case for adopting spheroidal graphite cast iron to cast, between described intermediate and turbine case, there is thermal shield, on described turbine shaft, be set with stuffing box gland, described outer thrust bearing is arranged on described stuffing box gland, between described stuffing box gland and described compressor casing, is provided with seal ring.
2. turbocharger for gasoline engine as claimed in claim 1, is characterized in that: described turbocharger for gasoline engine also comprises the final controlling element being installed on described compressor casing, and described final controlling element comprises bleed valve and valve connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015821.3A CN102536431B (en) | 2012-01-18 | 2012-01-18 | Gasoline engine turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015821.3A CN102536431B (en) | 2012-01-18 | 2012-01-18 | Gasoline engine turbocharger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102536431A CN102536431A (en) | 2012-07-04 |
| CN102536431B true CN102536431B (en) | 2014-09-03 |
Family
ID=46344259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210015821.3A Active CN102536431B (en) | 2012-01-18 | 2012-01-18 | Gasoline engine turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102536431B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865111A (en) * | 2012-09-21 | 2013-01-09 | 联优机械(常熟)有限公司 | H-shaped cylinder structure for external work output connection of turbo expander |
| CN103758587A (en) * | 2013-12-30 | 2014-04-30 | 常州环能涡轮动力股份有限公司 | Model body of small-sized turbosuperchager |
| CN105782105A (en) * | 2014-01-14 | 2016-07-20 | 汉美综合科技（常州）有限公司 | Working method of rotating thrust bearing for reducing lubricating oil leakage risk of gas compressor |
| DE102014206409A1 (en) * | 2014-04-03 | 2015-10-08 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Rotor of a charging device |
| JP6103253B2 (en) * | 2014-07-07 | 2017-03-29 | トヨタ自動車株式会社 | Turbocharger |
| CN106285916A (en) * | 2016-09-13 | 2017-01-04 | 中国北方发动机研究所(天津) | A kind of Novel supercharger structure |
| CN107489466B (en) * | 2017-09-30 | 2023-09-19 | 苏州制氧机股份有限公司 | High-efficiency rear-supercharging adjustable nozzle gas bearing turbine expander |
| CN108266272B (en) * | 2018-03-12 | 2024-07-12 | 西北工业大学 | Shaft sleeve of miniature turbine engine |
| CN110159419A (en) * | 2019-05-07 | 2019-08-23 | 常州环能涡轮动力股份有限公司 | Turbocharger |
| CN110388257B (en) * | 2019-08-15 | 2024-07-26 | 昆山三一动力有限公司 | Exhaust gas turbocharger, engine and vehicle |
| CN115853635B (en) * | 2023-03-02 | 2023-05-05 | 江苏毅合捷汽车科技股份有限公司 | Oil leakage prevention turbocharger |
| CN118499118A (en) * | 2024-07-22 | 2024-08-16 | 潍坊富源增压器有限公司 | Electric auxiliary system of turbocharger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212320A (en) * | 1997-09-19 | 1999-03-31 | 亚瑞亚·勃朗勃威力有限公司 | Blade-fixing device of compressor for high speed worm-gear machine |
| US6563074B2 (en) * | 2000-03-13 | 2003-05-13 | Ishikawajima Mass-Produced Machinery Co., Ltd. | Method of machining the turbine rotor shaft of a supercharger |
| CN101092882A (en) * | 2007-07-12 | 2007-12-26 | 刘天成 | Electron bombardment welding turbine shaft, and producing technique |
| CN201050387Y (en) * | 2007-06-18 | 2008-04-23 | 寿光市康跃增压器有限公司 | Exhaust-driven turbo-charger central rotor device |
| CN101469635A (en) * | 2007-12-25 | 2009-07-01 | 孙宇 | Turbocharger |
| CN202431358U (en) * | 2012-01-18 | 2012-09-12 | 山东富源动力设备有限公司 | Turbocharger of gasoline engine |
-
2012
- 2012-01-18 CN CN201210015821.3A patent/CN102536431B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212320A (en) * | 1997-09-19 | 1999-03-31 | 亚瑞亚·勃朗勃威力有限公司 | Blade-fixing device of compressor for high speed worm-gear machine |
| US6563074B2 (en) * | 2000-03-13 | 2003-05-13 | Ishikawajima Mass-Produced Machinery Co., Ltd. | Method of machining the turbine rotor shaft of a supercharger |
| CN201050387Y (en) * | 2007-06-18 | 2008-04-23 | 寿光市康跃增压器有限公司 | Exhaust-driven turbo-charger central rotor device |
| CN101092882A (en) * | 2007-07-12 | 2007-12-26 | 刘天成 | Electron bombardment welding turbine shaft, and producing technique |
| CN101469635A (en) * | 2007-12-25 | 2009-07-01 | 孙宇 | Turbocharger |
| CN202431358U (en) * | 2012-01-18 | 2012-09-12 | 山东富源动力设备有限公司 | Turbocharger of gasoline engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102536431A (en) | 2012-07-04 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170210 Address after: 261200 Weifang, Shandong Province Feng Shan Road, No. 56, Fangzi Patentee after: WEIFANG FUYUAN TURBOCHARGERS Co.,Ltd. Address before: 261206 Shandong city of Weifang province Lantau Peak high tech Industrial Park, Fengshan Road East, Shuangyang Street South Patentee before: Shandong Fuyuan Power Equipment Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Petrol engine turbocharger and method for manufacturing the same Effective date of registration: 20191212 Granted publication date: 20140903 Pledgee: Fangzi sub branch of Weifang Rural Commercial Bank Co.,Ltd. Pledgor: WEIFANG FUYUAN TURBOCHARGERS Co.,Ltd. Registration number: Y2019980001010 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201222 Granted publication date: 20140903 Pledgee: Fangzi sub branch of Weifang Rural Commercial Bank Co.,Ltd. Pledgor: WEIFANG FUYUAN TURBOCHARGERS Co.,Ltd. Registration number: Y2019980001010 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Gasoline engine turbocharger Effective date of registration: 20220124 Granted publication date: 20140903 Pledgee: Fangzi sub branch of Weifang Rural Commercial Bank Co.,Ltd. Pledgor: WEIFANG FUYUAN TURBOCHARGERS Co.,Ltd. Registration number: Y2022980000948 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230411 Granted publication date: 20140903 Pledgee: Fangzi sub branch of Weifang Rural Commercial Bank Co.,Ltd. Pledgor: WEIFANG FUYUAN TURBOCHARGERS Co.,Ltd. Registration number: Y2022980000948 |