CN201351511Y - Turbocharger - Google Patents
Turbocharger Download PDFInfo
- Publication number
- CN201351511Y CN201351511Y CNU2008202268861U CN200820226886U CN201351511Y CN 201351511 Y CN201351511 Y CN 201351511Y CN U2008202268861 U CNU2008202268861 U CN U2008202268861U CN 200820226886 U CN200820226886 U CN 200820226886U CN 201351511 Y CN201351511 Y CN 201351511Y
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- ring
- permanent magnetism
- moving magnet
- magnetostatic
- permanent
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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
Abstract
Disclosed is a turbocharger. The technical scheme thereof includes that the turbocharger comprises a turbine rotor shaft assembly, an intermediate, a press casing and a diffuser plate, wherein the diffuser plate is fixedly connected with the press casing or is integrated with the same. At least one group of permanent magnetic rings engaged mutually is arranged between a turbine and a compressing impellor, the permanent magnetic rings comprise at least one moving permanent magnetic ring and a fixed permanent magnetic ring, and the moving permanent magnetic ring is engaged with the fixed permanent magnetic ring to lead a rotor shaft of the turbine rotor shaft assembly to suspend. The turbocharger which is free of friction and utilizes the permanent magnetic rings to realize suspension of the turbine rotor shaft can resolve problems that the existing turbocharger is easy to be damaged, leak oil and pollute environments, reduces response lag of the turbine and can not severely affect motors even being damaged besides power reduction. The turbocharger resolves problems that the existing turbocharger is easy to be damage, leaks oil and causes pollution, and overcomes shortages of high price, large volume and complex structure of oversea electromagnetic suspension bearing exhaust driven turbochargers.
Description
Technical field
The utility model relates to a kind of turbosupercharger, especially adopts the turbosupercharger that runs up under unlubricated condition of permanent-magnet suspension bearing.
Background technique
At present, known exhaust-gas turbocharger is to support the location turbine rotor shaft by sliding bearing or ball bearing, the turbine rotor axle assembly is in 750 ℃ of left and right sides high temperature, high speed rotating under the high speed of commentaries on classics scooter 300,000 r/min, produce friction and high temperature when high speed rotating, therefore need a large amount of machine oil to lubricate the cooling bearing system, frictional force has been aggravated the response lag of turbine, under the situation that is mixed with impurity and fuel feeding deficiency in the lubricant oil, turbosupercharger is very easily damaged.Sealing system is made two way sealed by piston ring, i.e. gas is sealed in oil sealing again.To with the car combustion engine vehicle supercharger of the shared same oil duct of motor, under engine crankcase waste gas pressure height, intake resistance is big, dead time is long, oil return is not smooth situation, pressurized machine produces leakage of oil, promptly wastes resource, again befouling environment.When exhaust gas pressure was higher, waste gas entered crankcase by the gap back oil road of seal ring, causes lubricant pollution.Pressurized machine has a strong impact on equipment operation, even causes motor to scrap after damaging; More change engine oil, machine oil filter core, cleaning oil sump, cleaning lubricating oil path when pressurized machine is changed.Need a large amount of machine oil cooling and lubricatings in the pressurized machine work, shunt, reduced main frame lubrication system pressure; Necessary idling pre-lubrication during startup; Can only oil inlet hole porting parallel installation up in ground.At present, electromagnetic suspension bearing exhaust-gas turbocharger technology has abroad also appearred, its manufacture cost height, cost an arm and a leg, bulky, complex structure.
Summary of the invention
In order to overcome the deficiency of existing turbosupercharger rapid wear and leakage of oil and pollution, overcome that external electromagnetic suspension bearing exhaust-gas turbocharger costs an arm and a leg, bulky, baroque shortcoming.The utility model provides a kind of frictionless to utilize permanent magnetic ring to realize the turbosupercharger that turbine rotor shaft suspends, this turbosupercharger can not only solve rapid wear, leakage of oil and pollution problems, also reduce the response lag of turbine, and can install arbitrarily, be not subjected to the restriction of mounting point and direction; Even damage, except that descending, power can not cause big influence to motor yet.
The utility model is realized by following technical measures: a kind of turbosupercharger, it comprises turbine rotor axle assembly, intermediate, pressure shell, fixedlys connected or integrally formed diffusion plate with pressure shell, on described turbine rotor axle assembly, one group of permanent magnetic ring that cooperatively interacts is installed between turbine and the compression impellor at least, described permanent magnetic ring comprises moving magnet ring of permanent magnetism and the magnetostatic ring of permanent magnetism, and moving magnet ring of described permanent magnetism and the magnetostatic ring of permanent magnetism cooperate the rotor shaft that makes the turbine rotor axle assembly to suspend.
The above-mentioned permanent magnetic ring that cooperatively interacts comprises three groups of permanent magnetic rings, wherein two groups of permanent magnetic rings comprise n magnetostatic ring of permanent magnetism and the moving magnet ring of m permanent magnetism, wherein, n 〉=1, m 〉=1, these two groups of permanent magnetic rings lay respectively at turbine end and the compression impellor end on the turbine rotor shaft, and the magnetostatic ring of described permanent magnetism is loaded on peripheral or its both sides, end and gapped of the moving magnet ring of permanent magnetism between the two, the moving magnet ring of described permanent magnetism is fixedly mounted on the turbine rotor shaft, and the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall; Other one group of permanent magnetic ring is between diffusion plate and the turbine rotor axle assembly or between described two groups of identical permanent magnetic rings, it comprises a magnetostatic ring of permanent magnetism and the moving magnet ring of b permanent magnetism, wherein, a 〉=1, b 〉=1, the moving magnet ring of described permanent magnetism is fixedly mounted on rotor shaft, and the magnetostatic ring of described permanent magnetism is fixedly mounted on the diffusion plate or on the intermediate, the moving magnet ring of magnetostatic ring of described permanent magnetism and permanent magnetism is arranged along the axially spaced-apart of rotor shaft, and is gapped between the adjacent permanent magnetic ring.
The above-mentioned permanent magnetic ring that cooperatively interacts comprises at least one group of axial polarity permanent magnetic ring, the axial polarity permanent magnetic ring of described this group comprises n the magnetostatic ring of permanent magnetism and m the moving magnet ring of permanent magnetism, wherein, n 〉=1, m 〉=1, the moving magnet ring of described permanent magnetism is fixedly mounted on the rotor shaft of turbine rotor axle assembly, the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall, the moving magnet ring of magnetostatic ring of described permanent magnetism and permanent magnetism is arranged along the axially spaced-apart of turbine rotor axle assembly, gapped between the adjacent permanent magnetic ring, and the moving magnet ring of permanent magnetism is in state of suspension under the suction of the magnetostatic ring of permanent magnetism, and the compression impellor end outside or installed inside on the described rotor shaft have mechanical bearing.
The above-mentioned permanent magnetic ring that cooperatively interacts comprises at least one group of radially polarity permanent magnetic ring, described one group radially the polarity permanent magnetic ring comprise moving magnet ring of at least one permanent magnetism and the magnetostatic ring of at least one permanent magnetism, the magnetostatic ring of described permanent magnetism is loaded on the permanent magnetism moving magnet ring outside and gapped between the two, and the adjacent pole of the moving magnet ring of magnetostatic ring of permanent magnetism and permanent magnetism repels each other, the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall, the moving magnet ring of permanent magnetism is fixedly mounted on the rotor shaft, and the compression impellor end outside or installed inside on the rotor shaft have mechanical bearing.
Above-mentioned mechanical bearing is provided with lubrication system, and described lubrication system comprises the oil-collecting cap that is connected with the cartridge housing outer end, between bearing in the cartridge housing and the oil-collecting cap oil-guide device is installed, and constitutes oil leab between described cartridge housing, oil-collecting cap, the oil-deflecting cover.
The above-mentioned permanent magnetic ring that cooperatively interacts comprises two groups of radially polarity permanent magnetic ring and one group of axial polarity permanent magnetic ring, two groups radially the polarity permanent magnetic ring lay respectively at turbine end and compression impellor the inner of rotor shaft, described axial polarity permanent magnetic ring is at two groups radially between the polarity permanent magnetic ring; Described two groups radially every group in the polarity permanent magnetic ring comprise moving magnet ring of at least one permanent magnetism and the magnetostatic ring of at least one permanent magnetism, the magnetostatic ring of described permanent magnetism is loaded on the permanent magnetism moving magnet ring outside and gapped between the two, and the adjacent pole of the moving magnet ring of magnetostatic ring of permanent magnetism and permanent magnetism repels each other, the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall, and the moving magnet ring of permanent magnetism is fixedly mounted on the turbine rotor axle assembly; Described axial polarity permanent magnetic ring comprises magnetostatic ring of at least one permanent magnetism and the moving magnet ring of at least one permanent magnetism, the magnetostatic ring set of described permanent magnetism is loaded on the permanent magnetism moving magnet ring outside and gapped between the two, the magnetostatic ring of described permanent magnetism is inhaled mutually with the adjacent pole of the moving magnet ring of permanent magnetism, the moving magnet ring of described permanent magnetism is fixedly mounted on rotor shaft, and the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall.
The above-mentioned permanent magnetic ring that cooperatively interacts comprises three groups of axial polarity permanent magnetic rings, wherein two groups of axial polarity permanent magnetic rings comprise magnetostatic ring of permanent magnetism and the moving magnet ring of permanent magnetism, lay respectively at turbine end and compression impellor end on the turbine rotor shaft, it comprises n magnetostatic ring of permanent magnetism and the moving magnet ring of m permanent magnetism, wherein, n 〉=1, m 〉=1, the magnetostatic ring of described permanent magnetism is loaded on the permanent magnetism moving magnet ring outside and gapped between the two, the moving magnet ring of described permanent magnetism is fixedly mounted on the turbine rotor shaft, and the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall; Other one group of axial polarity permanent magnetic ring is between diffusion plate and the turbine rotor axle assembly or between described two groups of identical axial polarity permanent magnetic rings, it comprises a magnetostatic ring of permanent magnetism and the moving magnet ring of b permanent magnetism, wherein, a 〉=1, b 〉=1, the moving magnet ring of described permanent magnetism is fixedly mounted on rotor shaft, the magnetostatic ring of described permanent magnetism is fixedly mounted on the diffusion plate or on the intermediate, the moving magnet ring of magnetostatic ring of described permanent magnetism and permanent magnetism is arranged along the axially spaced-apart of rotor shaft, gapped between the adjacent permanent magnetic ring, and the moving magnet ring of permanent magnetism is in state of suspension under the active force of the magnetostatic ring of permanent magnetism.
Moving magnet ring of above-mentioned permanent magnetism and/or the magnetostatic ring of permanent magnetism are provided with magnetic shield for to be connected and composed by a plurality of magnet ring suits between the magnet ring of adjacent suit.The effect of magnetic shield is, makes it form a plurality of magnetic fields, improves magnetic bearing rigidity, strengthens suspension effect.
The moving magnet ring periphery of above-mentioned permanent magnetism is provided with the anticracking cover.
The turbine end in above-mentioned intermediate inner bearing chamber is provided with cooling air channel.
The moving magnet ring of above-mentioned axial polarity permanent magnetism is fixedly mounted on non-magnetic conductive axis and puts, and non-magnetic conduction axle sleeve is fixedly mounted on the rotor shaft; Axially the magnetostatic ring of polarity permanent magnetism is fixedly mounted on the non-concentrating flux sleeve, and non-concentrating flux sleeve is fixedly mounted on the intermediate inwall.
The above-mentioned permanent magnetic ring that cooperatively interacts comprises two groups of axially or radially polarity permanent magnetic rings, two groups axially or the radial permanent magnet magnet ring lay respectively at turbine end and compression impellor the inner of rotor shaft, described two groups axially or radially every group in the polarity permanent magnetic ring comprise the moving magnet ring of a permanent magnetism and two magnetostatic rings of permanent magnetism, the magnetostatic ring of described one of them permanent magnetism is positioned at the inboard of the moving magnet ring of permanent magnetism and arranges with the moving ring axial magnetic of permanent magnetism, the magnetostatic ring set of another permanent magnetism is loaded on the moving magnet ring of the permanent magnetism outside, and it is gapped between the three, the adjacent pole of the moving magnet ring of magnetostatic ring of permanent magnetism and permanent magnetism repels each other, the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall, and the moving magnet ring of permanent magnetism is fixedly mounted on the turbine rotor axle assembly.The moving magnet ring of permanent magnetism produces suspension under the repulsion of the magnetostatic ring of permanent magnetism, can axially locating again can radial location.
The beneficial effect of this programme can be learnt according to the narration to such scheme, since on the supercharger rotor axle, be equipped with axial polarity and/the moving magnet ring of polarity permanent magnetism radially, axial polarity of permanent magnetism and/or the magnetostatic ring of polarity permanent magnetism radially are housed on its corresponding intermediate, the characteristic of utilizing magnetic homopolar-repulsion, heteropole to inhale mutually makes magnet ring be suspended in the centre of magnetostatic ring together with turbine rotor shaft.When pressurized machine is worked, turbine rotor shaft is in the rotation of the magnet ring center, effect lower edge of the centripetal force of rotation, make magnet ring play the effect of bearing, realize not having the friction running, improved the efficient of turbosupercharger, improved the turbine responsiveness, and can mechanical bearing selectively be installed at the compression impellor end of turbine rotor axle assembly like this can radial and axial better support; Permanent-magnet suspension bearing in theory the life-span be unlimited, do not exist lubricated and sealing problem, just do not have rapid wear, leakage of oil and the pollution of pressurized machine yet.Even pressurized machine damages, except that descending, power can not cause big influence to motor yet.Along with development of science and technology, the raising of technology, the application of new material, the appearance of high temperature resistant ferromagnetic material, turbosupercharger rapid wear, leakage of oil and pollution problems can be solved.
For preventing the heat fade of magnet ring magnetic, prevent seal ring, the thermal distortion of turbine rotor axle assembly, make magnet ring, seal ring, turbine rotor axle assembly maintain operating temperature, be provided with the cooling channel between suction port and the intermediate inner chamber, in the permanent magnetic ring chamber, be provided with air cooling, lean on inertia to enter bearing bore from the air or the pressurized air of suction port, mobile by the air gap of magnet ring, air-flow process water conservancy diversion cover blows to the turbine end root of turbine rotor axle assembly, to seal ring, turbine rotor shaft cooling.Certainly also can utilize existing oil inlet and oil return hole turbine end on intermediate to be provided with the liquid cooling road that separates with the permanent magnetic ring chamber, during pressurized machine work, fluid enters cooling duct, has taken away the conduction heat of turbine case and the radiation heat of thermal shield, makes seal ring, the magnetostatic ring cooling of permanent magnetism.Specifically can realize in the following way: 1, between diffusion plate and turbine rotor axle assembly ventilation gap is arranged, be provided with seal ring between turbine rotor shaft turbine end and intermediate, pressurized air is communicated with suction port and intermediate inner chamber through the cooling channel direct connection or by conduit; 2, suction port is communicated with compression impellor chamber and intermediate inner chamber by air intake conduit, air-out conduit respectively, constitutes the cool cycles air channel, and the two ends of turbine rotor axle assembly are equipped with seal ring, and intermediate inner chamber and pressure shell runner, turbine chamber are separated independence.
The beneficial effects of the utility model are, thoroughly solve exhaust-gas turbocharger rapid wear, leakage of oil and pollution problems, raise the efficiency, and improve the turbine responsiveness.Simple in structure, there is not the machinery friction, need not to lubricate, shock resistance is strong, and is safe and reliable; Need not change oil, clean when changing pressurized machine; Do not influence main frame lubrication system pressure, install arbitrarily; Need not the idling pre-lubrication.
Description of drawings
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13 are the structural representation of the utility model embodiment.
Fig. 8,9,10,11,12,13 is that diffusion plate and intermediate are when dividing body structure, the structural representation of turbine intermediate assembly.
Among the figure, 1. permanent magnetism moves magnet ring, the 2. magnetostatic ring of permanent magnetism, 3. permanent magnetism moves magnet ring, the 4. magnetostatic ring of permanent magnetism, 5. turbine rotor axle assembly, 6. intermediate, 7. non-concentrating flux sleeve, 8. diffusion plate, 9. turbine case, 10. pressure shell, 11. seal rings, 12. thermal shield, 13. cooling channels, 14. wind deflectors, 15. cartridge housing, 16, cooling duct, 17, compression impellor, 18, suction port, 19, non-magnetic conduction axle sleeve, 20, the anticracking cover, 21, air intake passage, 22, the air-out passage, 23, the oil-collecting cap, 24, oil-deflecting cover, 25, mechanical bearing, 26, magnetic shield, 27, concentrating flux sleeve.
Embodiment
For clearly demonstrating the technical characterstic of this programme,, and, this programme is set forth in conjunction with its accompanying drawing below by embodiment.
Embodiment 1:
A kind of turbosupercharger, as shown in Figure 1, it comprises turbine rotor axle assembly 5, intermediate 6, compression impellor 17, turbine case 9, pressure shell 10, suction port 18, with pressure shell 1 integrally formed diffusion plate 8, turbine rotor axle assembly 5 comprises rotor shaft, be installed in turbine and compression impellor 17 on the rotor shaft, on described turbine rotor axle assembly 5, one group of permanent magnetic ring that cooperatively interacts is installed between turbine and the compression impellor 17, described permanent magnetic ring comprises the moving magnet ring of two permanent magnetism and two magnetostatic rings of permanent magnetism, two moving magnet ring 1 adjacent layouts of permanent magnetism, between both are axial concentrating flux sleeve 27 is installed, the moving magnet ring of two permanent magnetism is positioned on the non-concentrating flux sleeve, the two ends of the moving magnet ring of permanent magnetism are respectively arranged with a magnetostatic ring of permanent magnetism, gapped and adjacent pole is opposite between moving magnet ring of permanent magnetism and the magnetostatic ring of permanent magnetism, be suction turbine rotor axle assembly 5 is suspended.The moving magnet ring 1 of described permanent magnetism is fixedly mounted on the non-magnetic conduction axle sleeve 19, non-magnetic conduction axle sleeve 19 is fixedly set on the turbine rotor axle assembly 5, the magnetostatic ring 2 of described permanent magnetism is fixedly mounted on the non-concentrating flux sleeve 7, non-concentrating flux sleeve 7 is installed with on intermediate 6 inwalls, when intermediate is the non-magnet material manufacturing, non-concentrating flux sleeve can be the part of intermediate, promptly be not provided with these parts of non-concentrating flux sleeve separately, the moving magnet ring 1 of magnetostatic ring 2 of described permanent magnetism and permanent magnetism is arranged along the axially spaced-apart of turbine rotor axle assembly 5, and the compression impellor 17 ends outside of turbine rotor axle assembly 5 is equipped with mechanical bearing.Described mechanical bearing promptly bear turbine rotor axle assembly 5 radially and/or axial load, mechanical bearing is fixed in suction port 18 centers of the pressure shell 10 of band cartridge housing 15, mechanical bearing places normal temperature environment, the heat of bearing spin friction is taken away by air-flow, be provided with lubrication system in the mechanical bearing, described lubrication system comprises the oil-collecting cap 23 that is connected with cartridge housing 15 outer ends, between bearing in the cartridge housing 15 and the oil-collecting cap 23 oil-deflecting cover 24 is installed, described cartridge housing 15, oil-collecting cap 23, constitute oil leab between the oil-deflecting cover 24, be provided with magnet fluid sealing or mechanical seal between described rotor shaft and the cartridge housing, sealing means can pass through existing techniques in realizing fully, and wherein magnetic fluid has also played lubricated effect simultaneously.During turbine rotor axle assembly 5 high speed rotating, the moving magnet ring 1 of permanent magnetism makes permanent magnetic ring play the effect of bearing along the rotation of the magnetostatic ring of permanent magnetism 2 centers under the effect of centripetal force, realizes not having the friction running.
For heat fade and the seal ring that reduces magnet ring magnetic, the thermal distortion of turbine rotor axle assembly 5, be provided with cooling channel 13 between suction port 18 and intermediate 6 inner chambers, cooling channel 13 is arranged in intermediate 6 bodies and the pressure shell 10, cooling channel 13 direct connection suction ports 18, and cooling channel 13 and intermediate 6 inner chambers are communicated with, be provided with wind deflector 14 between permanent magnetism magnetostatic ring 2 outer ends and the intermediate 6, like this suction port 18 of pressure shell 10, gap between diffusion plate 8 and the compression impellor 17, intermediate 6 inner chambers, gap between permanent magnetic ring, gap between permanent magnetic ring and the wind deflector 14, and the air-out conduit constitutes cooling air channel 13; During the work of pressurized machine among this embodiment, part pressurized air enters bearing bore, cooling magnet ring and seal ring, rotor shaft, cooled air through cooling channel 13 flow back to suction port 18 or through the cooling channel after directly enter in the atmosphere.Can certainly utilize existing oil inlet and oil return hole turbine end on intermediate to be provided with the liquid cooling road 16 that separates with the permanent magnetic ring chamber, during pressurized machine work, fluid enters cooling duct 16, has taken away the conduction heat of turbine case and the radiation heat of thermal shield, makes seal ring, the cooling of magnetostatic ring.
The other end of turbine rotor axle assembly 5 turbines is equipped with compression impellor 17, and intermediate 6 turbine end are provided with thermal shield 12, turbine case 9, and the other end and diffusion plate 8 are connected as a single entity, and diffusion plate 8 is connected with the pressure shell 10 of band cartridge housing 15.
In order to prevent that permanent magnetic ring is subjected to action of centrifugal force and causes the magnet ring fracture in high speed rotating, can be provided with anticracking cover 20 in the moving magnet ring periphery of permanent magnetism.
Embodiment 2:
As shown in Figure 2, present embodiment mainly is with the difference of implementing 1, one group of permanent magnetic ring that cooperatively interacts installing between turbine and compression impellor 17 is axial polarity permanent magnetic ring, it comprises the moving magnet ring 1 of a permanent magnetism and two magnetostatic rings 2 of permanent magnetism, the both sides of the moving magnet ring 1 of permanent magnetism are respectively arranged with a magnetostatic ring 2 of permanent magnetism, and the magnetostatic ring 2 of moving magnet ring 1 of permanent magnetism and permanent magnetism cooperates the turbine end that makes turbine rotor axle assembly 5 to suspend.The concrete structure of its type of cooling is different, mainly is, cooling channel 13 is to make the pressurized air that enters into step bearing chamber, whirlpool flow back to suction port by air pipe.
Embodiment 3:
As shown in Figure 3, present embodiment mainly is with the difference of implementing 1, one group of permanent magnetic ring that cooperatively interacts installing between turbine and compression impellor 17 is axial polarity permanent magnetic ring, it comprises the moving magnet ring 1 of two permanent magnetism and the magnetostatic ring 2 of permanent magnetism, the moving magnet ring 1 of permanent magnetism is positioned at the both sides of the magnetostatic ring 2 of permanent magnetism, and along the rotor shaft axially-aligned.
Embodiment 4:
As shown in Figure 4, the difference of present embodiment and enforcement mainly is, one group of permanent magnetic ring that cooperatively interacts installing between turbine and compression impellor 17 is axial polarity permanent magnetic ring, it comprises the moving magnet ring 1 of four permanent magnetism and four magnetostatic rings 2 of permanent magnetism, the moving magnet ring of permanent magnetism radially is made of two suits, be provided with magnetic shield 26 between the moving magnet ring of the permanent magnetism of suit, it is adjacent, close polarity is inhaled mutually, the moving magnet ring of the permanent magnetism that is made of two suits separates by magnetic shield and is axially installed with the moving magnet ring of the permanent magnetism that is made of two suits, the magnetostatic ring 2 of permanent magnetism also has two suits to constitute, be provided with magnetic shield between the magnetostatic ring of the permanent magnetism of two suits, the adjacent close polarity of the magnetostatic ring of permanent magnetism of suit is inhaled mutually, the magnetostatic ring 2 of the permanent magnetism of suit lays respectively at the both sides of the moving magnet ring 1 of permanent magnetism, gapped between moving magnet ring of permanent magnetism and the magnetostatic ring of permanent magnetism, the moving magnet ring 1 of permanent magnetism is inhaled mutually with the adjacent close polarity of the magnetostatic ring 2 of permanent magnetism.
Embodiment 5:
As Fig. 5, shown in Figure 6, present embodiment mainly is with the difference of implementing 1, one group of permanent magnetic ring that cooperatively interacts installing between turbine and compression impellor 17 is polarity permanent magnetic ring radially, it comprises the moving magnet ring 3 of a permanent magnetism and the magnetostatic ring 4 of permanent magnetism, the magnetostatic ring 4 of permanent magnetism is sleeved on the outside of the magnetostatic ring of permanent magnetism, and its adjacent pole repels each other.Moving magnet ring 3 of permanent magnetism and the magnetostatic ring 4 of permanent magnetism can end face, as shown in Figure 5, and the installation of also can staggering a little, as shown in Figure 6.
Embodiment 6:
As shown in Figure 7, present embodiment mainly is with the difference of implementing 1, intermediate is split with the diffusion plate and fixedlys connected by prior aries such as screws, the permanent magnetic ring of installing between turbine and compression impellor 17 that cooperatively interacts comprises two groups of radially polarity permanent magnetic ring and one group of axial polarity permanent magnetic ring, two groups radially the polarity permanent magnetic ring be respectively rotor shaft two ends between compression impellor and the turbine, singly organizing radially, the polarity permanent magnetic ring comprises a magnetostatic ring 4 of permanent magnetism and the moving magnet ring 3 of permanent magnetism, the magnetostatic ring set of permanent magnetism is contained in outside the moving magnet ring of permanent magnetism, and its adjacent pole repels each other.Axially radially between the polarity permanent magnetic ring, it comprises the moving magnet ring 3 of a permanent magnetism and the magnetostatic ring 4 of permanent magnetism to the polarity permanent magnetic ring at both, and the magnetostatic ring set of permanent magnetism is contained in outside the moving magnet ring of permanent magnetism, and its same pole is inhaled mutually.
What adopted the cooling channel 13 among this embodiment is by two conduits suction port 18 and intermediate 6 inner chambers to be communicated with, to form respectively air intake passage 21 and air-out passage 22, and the gap between air intake passage 21, air-out passage 22 and bearing constitutes circuit cooling channel 13.Lean on inertia to enter bearing bore from the air or the pressurized air of suction port, air gap by magnet ring flows, the especially moving magnet ring of magnet ring is cooled off, and air-flow process water conservancy diversion cover blows to the turbine end root of turbine rotor axle assembly, to seal ring, the cooling of turbine rotor axle assembly.
Embodiment 7:
As shown in Figure 8, present embodiment mainly is with the difference of implementing 6, the permanent magnetic ring of installing between turbine and compression impellor 17 that cooperatively interacts comprises three groups of axial polarity permanent magnetic rings, wherein two groups is identical, every group is made of a magnetostatic ring 2 of permanent magnetism and moving magnet ring 1 suit of permanent magnetism respectively, the moving magnet ring 1 of permanent magnetism is fixedly mounted on the rotor shaft by non-magnetic conduction axle sleeve, the magnetostatic ring 2 of permanent magnetism is fixedly mounted on the intermediate inwall by non-concentrating flux sleeve, is provided with the gap between moving magnet ring of the permanent magnetism of suit and the magnetostatic ring of permanent magnetism; Other one group of axial polarity permanent magnetic ring comprises the moving magnet ring 1 of a permanent magnetism and two magnetostatic rings 2 of permanent magnetism of axial installation, the magnetostatic ring of permanent magnetism lays respectively at the both sides of the moving magnet ring of permanent magnetism, the adjacent pole of moving magnet ring of permanent magnetism and the magnetostatic ring of permanent magnetism repels each other, the moving magnet ring of the permanent magnetism of this group can be fixed on the rotor shaft by non-magnetic conduction axle sleeve, also can between be fixed on the compression impellor axle back that non-magnet material makes and protrude on the position, it act as the effect of thrust Permanent-magnet bearing, this group permanent magnetic ring is positioned at the inboard of compression impellor, and two groups of identical permanent magnetic rings lay respectively at the inboard and the epitrochanterian turbine inboard of the permanent magnetic ring of the thrust Permanent-magnet bearing on the rotor shaft.
Embodiment 8:
As shown in Figure 9, present embodiment mainly is with the difference of implementing 1, intermediate is split with pressing plate and fixedlys connected by prior aries such as screws, the permanent magnetic ring of installing between turbine and compression impellor 17 that cooperatively interacts comprises three groups of axial polarity permanent magnetic rings, wherein two groups is identical, every group is made of four magnetostatic rings 2 of permanent magnetism and two moving magnet ring 1 suits of permanent magnetism respectively, the magnetostatic ring of permanent magnetism is positioned at the moving magnet ring two ends and gapped of permanent magnetism between the two, the magnetostatic ring of the permanent magnetism of every side is made of two suits, be provided with magnetic shield between two magnet rings are inside and outside, its adjacent close magnetic pole is inhaled mutually, the moving magnet ring of permanent magnetism in the middle of being positioned at also is made of two suits, also is provided with the adjacent close magnetic pole of magnetic shield between two magnet rings are inside and outside and inhales mutually.The adjacent close magnetic pole of moving magnet ring of permanent magnetism and the magnetostatic ring of permanent magnetism is inhaled mutually; Other one group of axial polarity permanent magnetic ring comprises moving magnet ring 1 of the permanent magnetism of axial installation and the magnetostatic ring 2 of permanent magnetism, the magnetostatic ring set of permanent magnetism is contained in outside the moving magnet ring of permanent magnetism, the moving magnet ring of permanent magnetism is inhaled mutually with the adjacent pole of the magnetostatic ring of permanent magnetism, and it is gapped between the two, the moving magnet ring of permanent magnetism is made up of three axially-aligned, its adjacent close magnetic pole is inhaled mutually, be provided with magnetic shield between the moving ring axial magnetic of adjacent two permanent magnetism, the corresponding magnetostatic ring of permanent magnetism is made up of three axially-aligned, its adjacent close magnetic pole is inhaled mutually, the magnetostatic annulate shaft of adjacent permanent magnetism between be provided with magnetic shield.The moving magnet ring of the permanent magnetism of this group can be fixed on the rotor shaft by non-magnetic conduction axle sleeve, also can between be fixed on the compression impellor back that non-magnet material makes and protrude on the position, it act as the effect of thrust-bearing, this group permanent magnetic ring is positioned at the inboard of compression impellor, or be between two groups of identical permanent magnetic rings, two groups of identical permanent magnetic rings lay respectively at the turbine end and the wheel end of calming the anger on the rotor shaft.
Embodiment 9:
Present embodiment is with the different of other embodiment, as Figure 10, shown in Figure 11, moving magnet ring of permanent magnetism and the magnetostatic ring of permanent magnetism are oval column, it is outer and gapped between the two that the magnetostatic ring set of permanent magnetism is contained in the moving magnet ring of permanent magnetism, the moving magnet ring length of permanent magnetism is greater than the magnetostatic ring of permanent magnetism, the magnetostatic ring installing and locating of permanent magnetism is on intermediate, the moving magnet ring installing and locating of permanent magnetism is on the rotor shaft between compression impellor and the turbine, the compression impellor in the length of the moving magnet ring of permanent magnetism and the intermediate and the length of the rotor shaft between the turbine match, and permanent magnetism moves the adjacent or same pole of magnet ring and the magnetostatic ring of permanent magnetism and repels each other.
Embodiment 10:
As Figure 12, shown in 13, present embodiment mainly is with the difference of implementing 1, intermediate is split with pressing plate and fixedlys connected by prior aries such as screws, the permanent magnetic ring that cooperatively interacts comprises two groups of axially or radially polarity permanent magnetic rings, two groups axially or the radial permanent magnet magnet ring lay respectively at turbine end and compression impellor the inner of rotor shaft, described two groups axially or radially every group in the polarity permanent magnetic ring comprise the moving magnet ring of a permanent magnetism and two magnetostatic rings of permanent magnetism, the magnetostatic ring of described one of them permanent magnetism is positioned at the inboard of the moving magnet ring of permanent magnetism and arranges with the moving ring axial magnetic of permanent magnetism, the magnetostatic ring set of another permanent magnetism is loaded on the moving magnet ring of the permanent magnetism outside, and it is gapped between the three, the adjacent pole of the moving magnet ring of magnetostatic ring of permanent magnetism and permanent magnetism repels each other, the moving magnet ring of permanent magnetism produces suspension under the repulsion of the magnetostatic ring of permanent magnetism, can axially locating again can radial location, the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall, and the moving magnet ring of permanent magnetism is fixedly mounted on the turbine rotor axle assembly.
The mounting arrangements of permanent magnetic ring is not limited to the mode of structure in the foregoing description 1～10 in the utility model, axially the polarity permanent magnetic ring and radially the polarity permanent magnetic ring can select use according to the assembling needs, mainly be the principle of utilizing magnetic homopolar-repulsion, heteropole to inhale mutually, make magnet ring be suspended in the centre of magnetostatic ring together with turbine rotor shaft.When pressurized machine was worked, turbine rotor shaft made magnet ring play the effect of bearing in the rotation of the magnet ring center, effect lower edge of the centripetal force of rotation, realizes not having the friction running, has improved the efficient of turbosupercharger, has improved the turbine responsiveness; And permanent-magnet suspension bearing in theory the life-span be unlimited, do not exist lubricated and sealing problem, just do not have rapid wear, leakage of oil and the pollution of pressurized machine yet.Even pressurized machine damages, except descending, power can not cause big influence to motor yet.Along with development of science and technology, the raising of technology, the application of new material, the appearance of high temperature resistant ferromagnetic material, turbosupercharger rapid wear, leakage of oil and pollution problems can access more completely and solve.
Wherein, the type of cooling among embodiment 1,2 and the embodiment 6 can replace, and can be applied among the embodiment 3,4,5,7,8,9,10.
The moving magnet ring of axial polarity permanent magnetism among the embodiment 1～10 is fixed on the rotor shaft by non-magnetic conduction axle sleeve, when rotor shaft is made such as non-magnet material such as aluminium, non-magnetic conduction axle sleeve can omit, or make with the rotor shaft one, in like manner, when intermediate was the non-magnet material manufacturing, the magnetostatic ring of permanent magnetism also can directly be fixed on the intermediate inwall, omit non-concentrating flux sleeve, simplified structure.
The utility model can pass through existing techniques in realizing without the technical characteristics of describing, and does not repeat them here.Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection domain of the present utility model.
Claims (11)
1, a kind of turbosupercharger, it comprises turbine rotor axle assembly, intermediate, pressure shell, fixedlys connected or integrally formed diffusion plate with pressure shell, it is characterized in that: on described turbine rotor axle assembly, one group of permanent magnetic ring that cooperatively interacts is installed between turbine and the compression impellor at least, described permanent magnetic ring comprises moving magnet ring of at least one permanent magnetism and the magnetostatic ring of at least one permanent magnetism, and moving magnet ring of described permanent magnetism and the magnetostatic ring of permanent magnetism cooperate the rotor shaft that makes the turbine rotor axle assembly to suspend.
2, turbosupercharger according to claim 1, it is characterized in that, the described permanent magnetic ring that cooperatively interacts comprises three groups of permanent magnetic rings, wherein two groups of permanent magnetic rings comprise n magnetostatic ring of permanent magnetism and the moving magnet ring of m permanent magnetism, wherein, n 〉=1, m 〉=1, these two groups of permanent magnetic rings lay respectively at turbine end and the compression impellor end on the turbine rotor shaft, the magnetostatic ring of described permanent magnetism is loaded on peripheral or its both sides, end and gapped of the moving magnet ring of permanent magnetism between the two, the moving magnet ring of described permanent magnetism is fixedly mounted on the turbine rotor shaft, and the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall; Other one group of permanent magnetic ring is between diffusion plate and the turbine rotor axle assembly or between described two groups of identical permanent magnetic rings, it comprises a magnetostatic ring of permanent magnetism and the moving magnet ring of b permanent magnetism, gapped between the described adjacent permanent magnetic ring, wherein, a 〉=1, b 〉=1, the moving magnet ring of described permanent magnetism is fixedly mounted on rotor shaft, and the magnetostatic ring of described permanent magnetism is fixedly mounted on the diffusion plate or on the intermediate.
3, turbosupercharger according to claim 1, it is characterized in that, the described permanent magnetic ring that cooperatively interacts comprises at least one group of axial polarity permanent magnetic ring, the axial polarity permanent magnetic ring of described this group comprises n the magnetostatic ring of permanent magnetism and m the moving magnet ring of permanent magnetism, wherein, n 〉=1, m 〉=1, the moving magnet ring of described permanent magnetism is fixedly mounted on the rotor shaft of turbine rotor axle assembly, the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall, the moving magnet ring of magnetostatic ring of described permanent magnetism and permanent magnetism is arranged along the axially spaced-apart of turbine rotor axle assembly, gapped between the adjacent permanent magnetic ring, the moving magnet ring of permanent magnetism is in state of suspension under the suction of the magnetostatic ring of permanent magnetism, the compression impellor end outside or installed inside on the described rotor shaft have mechanical bearing.
4, turbosupercharger according to claim 1, it is characterized in that, the described permanent magnetic ring that cooperatively interacts comprises at least one group of radially polarity permanent magnetic ring, described one group radially the polarity permanent magnetic ring comprise moving magnet ring of at least one permanent magnetism and the magnetostatic ring of at least one permanent magnetism, the magnetostatic ring of described permanent magnetism is loaded on the permanent magnetism moving magnet ring outside and gapped between the two, and the adjacent pole of the moving magnet ring of magnetostatic ring of permanent magnetism and permanent magnetism repels each other, the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall, the moving magnet ring of permanent magnetism is fixedly mounted on the rotor shaft, and the compression impellor end outside or installed inside on the rotor shaft have mechanical bearing.
5, according to claim 3 or 4 described turbosupercharger, it is characterized in that, described mechanical bearing is provided with lubrication system, described lubrication system comprises the oil-collecting cap that is connected with the cartridge housing outer end, between bearing in the cartridge housing and the oil-collecting cap oil-guide device is installed, constitutes oil leab between described cartridge housing, oil-collecting cap, the oil-deflecting cover.
6, turbosupercharger according to claim 1 and 2, it is characterized in that, the described permanent magnetic ring that cooperatively interacts comprises two groups of radially polarity permanent magnetic ring and one group of axial polarity permanent magnetic ring, two groups radially the polarity permanent magnetic ring lay respectively at turbine end and compression impellor the inner of rotor shaft, described axial polarity permanent magnetic ring is at two groups radially between the polarity permanent magnetic ring; Described two groups radially every group in the polarity permanent magnetic ring comprise moving magnet ring of at least one permanent magnetism and the magnetostatic ring of at least one permanent magnetism, the magnetostatic ring of described permanent magnetism is loaded on the permanent magnetism moving magnet ring outside and gapped between the two, and the adjacent pole of the moving magnet ring of magnetostatic ring of permanent magnetism and permanent magnetism repels each other, the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall, and the moving magnet ring of permanent magnetism is fixedly mounted on the turbine rotor axle assembly; Described axial polarity permanent magnetic ring comprises magnetostatic ring of at least one permanent magnetism and the moving magnet ring of at least one permanent magnetism, the magnetostatic ring set of described permanent magnetism is loaded on the permanent magnetism moving magnet ring outside and gapped between the two, the magnetostatic ring of described permanent magnetism is inhaled mutually with the adjacent pole of the moving magnet ring of permanent magnetism, the moving magnet ring of described permanent magnetism is fixedly mounted on the rotor shaft, and the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall.
7, turbosupercharger according to claim 1 and 2, it is characterized in that, the described permanent magnetic ring that cooperatively interacts comprises three groups of axial polarity permanent magnetic rings, wherein two groups of axial polarity permanent magnetic rings comprise magnetostatic ring of permanent magnetism and the moving magnet ring of permanent magnetism, lay respectively at turbine end and compression impellor end on the turbine rotor shaft, it comprises n magnetostatic ring of permanent magnetism and the moving magnet ring of m permanent magnetism, wherein, n 〉=1, m 〉=1, the magnetostatic ring of described permanent magnetism is loaded on the permanent magnetism moving magnet ring outside and gapped between the two, and the moving magnet ring of described permanent magnetism is fixedly mounted on the turbine rotor shaft, and the magnetostatic ring of described permanent magnetism is fixedly mounted on the intermediate inwall; Other one group of axial polarity permanent magnetic ring is between diffusion plate and the turbine rotor axle assembly or between described two groups of identical axial polarity permanent magnetic rings, it comprises a magnetostatic ring of permanent magnetism and the moving magnet ring of b permanent magnetism, wherein, a 〉=1, b 〉=1, the moving magnet ring of described permanent magnetism is fixedly mounted on rotor shaft, the magnetostatic ring of described permanent magnetism is fixedly mounted on the diffusion plate or on the intermediate, the moving magnet ring of magnetostatic ring of described permanent magnetism and permanent magnetism is arranged along the axially spaced-apart of rotor shaft, gapped between the adjacent permanent magnetic ring, and the moving magnet ring of permanent magnetism is in state of suspension under the active force of the magnetostatic ring of permanent magnetism.
According to claim 1 or 2 or 3 or 4 described turbosupercharger, it is characterized in that 8, moving magnet ring of described permanent magnetism and/or the magnetostatic ring of permanent magnetism are provided with magnetic shield for to be connected and composed by a plurality of magnet ring suits between the magnet ring of adjacent suit.
According to claim 1 or 2 or 3 or 4 described turbosupercharger, it is characterized in that 9, the moving magnet ring periphery of described permanent magnetism is provided with the anticracking cover.
According to claim 1 or 2 or 3 or 4 described turbosupercharger, it is characterized in that 10, the turbine end in described intermediate inner bearing chamber is provided with cooling air channel.
According to claim 1 or 2 or 3 or 4 described turbosupercharger, it is characterized in that 11, the moving magnet ring of described axial polarity permanent magnetism is fixedly mounted on non-magnetic conductive axis and puts, non-magnetic conduction axle sleeve is fixedly mounted on the rotor shaft; Axially the magnetostatic ring of polarity permanent magnetism is fixedly mounted on the non-concentrating flux sleeve, and non-concentrating flux sleeve is fixedly mounted on the intermediate inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202268861U CN201351511Y (en) | 2008-12-17 | 2008-12-17 | Turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202268861U CN201351511Y (en) | 2008-12-17 | 2008-12-17 | Turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201351511Y true CN201351511Y (en) | 2009-11-25 |
Family
ID=41374898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202268861U Expired - Lifetime CN201351511Y (en) | 2008-12-17 | 2008-12-17 | Turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201351511Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797553A (en) * | 2011-05-25 | 2012-11-28 | 通用汽车环球科技运作有限责任公司 | Engine assembly including turbocharger |
| EP2565418A1 (en) * | 2011-08-30 | 2013-03-06 | Aktiebolaget SKF | Turbocharger bearing comprising a sleeve between the inner bearing ring and the shaft |
| CN103016545A (en) * | 2011-09-20 | 2013-04-03 | 霍尼韦尔国际公司 | Turbocharger rotating assembly |
| CN103410603A (en) * | 2013-07-02 | 2013-11-27 | 中国兵器工业集团第七0研究所 | Magnetic levitation type sealing structure of turbocharger |
| CN104213974A (en) * | 2013-05-31 | 2014-12-17 | 通用汽车环球科技运作有限责任公司 | Turbocharger assembly |
| CN110050115A (en) * | 2017-02-28 | 2019-07-23 | 三菱重工发动机和增压器株式会社 | Exhaust turbine supercharger |
| WO2020125086A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Cooling-air discharging structure of rotor in magnetically levitated blower |
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2008
- 2008-12-17 CN CNU2008202268861U patent/CN201351511Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797553A (en) * | 2011-05-25 | 2012-11-28 | 通用汽车环球科技运作有限责任公司 | Engine assembly including turbocharger |
| CN102797553B (en) * | 2011-05-25 | 2015-07-01 | 通用汽车环球科技运作有限责任公司 | Engine assembly including turbocharger |
| EP2565418A1 (en) * | 2011-08-30 | 2013-03-06 | Aktiebolaget SKF | Turbocharger bearing comprising a sleeve between the inner bearing ring and the shaft |
| CN103016545A (en) * | 2011-09-20 | 2013-04-03 | 霍尼韦尔国际公司 | Turbocharger rotating assembly |
| CN104213974A (en) * | 2013-05-31 | 2014-12-17 | 通用汽车环球科技运作有限责任公司 | Turbocharger assembly |
| CN103410603A (en) * | 2013-07-02 | 2013-11-27 | 中国兵器工业集团第七0研究所 | Magnetic levitation type sealing structure of turbocharger |
| CN103410603B (en) * | 2013-07-02 | 2015-08-26 | 中国兵器工业集团第七0研究所 | A kind of turbosupercharger electromagnetic levitation type sealing configuration |
| CN110050115A (en) * | 2017-02-28 | 2019-07-23 | 三菱重工发动机和增压器株式会社 | Exhaust turbine supercharger |
| US10890105B2 (en) | 2017-02-28 | 2021-01-12 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | Exhaust gas turbocharger |
| CN110050115B (en) * | 2017-02-28 | 2021-05-14 | 三菱重工发动机和增压器株式会社 | Exhaust gas turbocharger |
| WO2020125086A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Cooling-air discharging structure of rotor in magnetically levitated blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091125 Effective date of abandoning: 20081217 |