CN108506083B - Axial moving type turbocharger and application method thereof - Google Patents
Axial moving type turbocharger and application method thereof Download PDFInfo
- Publication number
- CN108506083B CN108506083B CN201810451886.XA CN201810451886A CN108506083B CN 108506083 B CN108506083 B CN 108506083B CN 201810451886 A CN201810451886 A CN 201810451886A CN 108506083 B CN108506083 B CN 108506083B
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- turbine
- connecting rod
- rotating shaft
- exhaust gas
- impeller
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- 238000000034 method Methods 0.000 title claims description 9
- 239000007789 gas Substances 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 18
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
-
- 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
The invention relates to an axial movable turbocharger, which comprises a shell, wherein a compressor chamber, a middle chamber and a turbine chamber are sequentially arranged in the shell from front to back, an air inlet, an air outlet, an impeller and an impeller rotating shaft are arranged in the compressor chamber, an exhaust gas inlet, an exhaust gas outlet, a turbine and a turbine rotating shaft are arranged in the turbine chamber, the impeller rotating shaft and the turbine rotating shaft coaxially extend into the middle chamber and are mutually connected through a sleeve, one end of the sleeve is fixedly connected with the impeller rotating shaft, a plurality of axially extending inner sliding grooves are uniformly distributed on the circumference of the inner circumference of the other end of the sleeve, a plurality of axially extending outer sliding grooves are uniformly distributed on the circumference of the outer circumference of the turbine rotating shaft, the outer sliding grooves of the turbine rotating shaft inserted into the sleeve are in one-to-one correspondence with the inner sliding grooves, and a plurality of balls are embedded in the outer sliding grooves of the turbine rotating shaft, and the turbine rotating shaft is driven by an electric mechanism to axially slide and adjust. The axial moving type turbocharger is simple in structure.
Description
Technical Field
The invention relates to an axial movable turbocharger and a use method thereof, and relates to the technical field of turbochargers.
Background
Turbochargers are actually air compressors that increase the amount of intake air by compressing the air. The turbine in the turbine chamber is pushed by the inertial impulse of the exhaust gas discharged by the engine, the turbine drives a coaxial impeller, and the impeller presses air to be pressurized into a cylinder. When the rotation speed of the engine increases, the exhaust gas discharge speed and the turbine rotation speed also synchronously increase, the impeller compresses more air to enter the cylinder, more fuel can be combusted by increasing the pressure and the density of the air, and the output power of the engine can be increased by correspondingly increasing the fuel quantity and adjusting the rotation speed of the engine. The running speed range of the vehicle engine is wide, the supercharger matched with the vehicle engine is required to have a wide working area, and the maximum ratio of the highest speed to the lowest speed can reach 5-6 times, so that certain difficulty is brought to the matching of the supercharger, the insufficient energy available in waste gas can cause the air compressor to not provide enough air quantity, and the output torque and the power of the engine are influenced; the surplus energy of the waste gas can cause the supercharger to exceed the working range of the supercharger, and phenomena such as overspeed, overtemperature and the like occur to cause the damage of the supercharger. When the engine speed is high in the conventional turbocharger, the turbine and the air compressor are also high in speed, and the intake pressure often exceeds the upper limit, so that the intake air amount exceeds the required phenomenon. When the engine speed is low, the exhaust gas quantity is insufficient, the impeller speed is too low, and even the air inflow is blocked, so that the engine power and the torque are reduced and the like.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide the axial moving type turbocharger and the use method thereof, which have the advantages of simple structure, convenience and high efficiency.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides an axial displacement formula turbocharger, includes the casing, the inside of casing is equipped with compressor cavity, middle cavity, turbine cavity from front to back in proper order, be equipped with air inlet, air outlet, impeller pivot in the compressor cavity, be equipped with waste gas inlet, waste gas outlet, turbine pivot in the turbine cavity, impeller pivot and turbine pivot all coaxial stretching into middle cavity and through sleeve interconnect, telescopic one end links firmly with the impeller pivot, the circumference equipartition of other end inner periphery has a plurality of axial extension's interior spout, turbine pivot circumference equipartition has a plurality of axial extension's outer spout, inserts the outer spout and the interior spout one-to-one of telescopic turbine pivot and inlays and be equipped with a plurality of ball, the turbine pivot carries out axial slip through electric mechanism drive and adjusts.
Preferably, the air inlet is located on the front end face side of the impeller, the air outlet is located on the peripheral side of the impeller, and the impeller rotating shaft extends into the intermediate chamber along the rear end face side of the impeller.
Preferably, the exhaust gas inlet is located on the peripheral side of the turbine, the exhaust gas outlet is located on the rear end face side of the turbine, and the turbine rotating shaft extends into the intermediate chamber along the front end face side of the turbine.
Preferably, one end of the sleeve is in threaded connection with the impeller rotating shaft as a whole, the two axial ends of the inner sliding groove and the outer sliding groove are of closed structures, the number of the balls on the inner sliding groove and the outer sliding groove which are in one-to-one correspondence are a plurality of balls and are uniformly distributed in the axial direction, the diameters of the balls are the radial distance between the inner sliding groove and the outer sliding groove which are in one-to-one correspondence, and the length of the inner sliding groove is larger than that of the outer sliding groove.
Preferably, a lubricating oil inlet and a lubricating oil outlet are arranged in the middle cavity.
Preferably, the electric mechanism comprises a stepping motor positioned at the outer side of the shell, a driven gear is meshed with a driving gear on an output shaft of the stepping motor, a transmission shaft is coaxially and fixedly connected to the end surface of the driven gear, the top end of the transmission shaft radially extends into a middle cavity, two fixed supports are fixedly connected to the end surface of the middle cavity near the turbine cavity, the transmission shaft in the middle cavity passes through the two fixed supports to be positioned, left-handed threads and right-handed threads are arranged at the periphery of the transmission shaft in the middle cavity, a first nut is screwed on the left-handed threads, a second nut is screwed on the right-handed threads, a first connecting rod is hinged to the first nut, a second connecting rod is hinged to the second nut, the first connecting rod is hinged to the middle of the second connecting rod, an X-shaped hinge structure is formed, a third connecting rod is hinged to the other end of the first connecting rod, a fourth connecting rod is hinged to the other end of the third connecting rod, and the third connecting rod and the fourth connecting rod are both the first connecting rod and the second connecting rod in half length; the stepper motor is electrically connected with the controller.
Preferably, a thrust ball bearing is sleeved on a turbine rotating shaft in the turbine chamber, an inner ring of the thrust ball bearing is in interference fit with the turbine rotating shaft, and an outer ring of the thrust ball bearing is hinged with a hinge point of a third connecting rod and a fourth connecting rod; the intermediate chamber is provided with a floating bearing on the end face close to the turbine chamber, and the turbine rotating shaft is in clearance fit with an inner ring of the floating bearing.
Preferably, a sealing ring arranged on the rotating shaft of the turbine is arranged on the front end face side of the turbine.
The application method of the axial moving type turbocharger comprises the following steps: (1) When the engine runs at a low speed, the electric mechanism drives the turbine rotating shaft and the turbine to move to the rear end point, at the moment, all blades of the turbine are positioned on the exhaust gas inlet, and all exhaust gas discharged by the engine acts on the turbine; (2) When the engine is in high-speed operation, the electric mechanism drives the turbine rotating shaft and the turbine to move to the front end point, at the moment, the blade part of the turbine is positioned on the exhaust gas inlet, part of exhaust gas discharged by the engine acts on the turbine, and the rest part of exhaust gas is discharged along the exhaust gas outlet from a clearance beside the turbine.
Preferably, in the step (1), a motor of the electric mechanism rotates clockwise to drive a transmission shaft to rotate, the first nut and the second nut are mutually far away to drive a parallelogram mechanism formed by the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod to shrink, so that a thrust ball bearing and a turbine rotating shaft are driven to slide backwards, and the turbine moves to a rear end point; in the step (2), the motor of the electric mechanism rotates anticlockwise to drive the transmission shaft to rotate, the first nut and the second nut are mutually close to drive the parallelogram mechanism formed by the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod to expand, so that the thrust ball bearing and the turbine rotating shaft are driven to slide forwards, and the turbine moves to the front end point.
Compared with the prior art, the invention has the following beneficial effects: the axial movable turbocharger has a simple structure, and the working area of the exhaust gas acting on the blades of the turbine is different by changing the position of the turbine at the exhaust gas inlet, so that the phenomena that the engine is difficult to obtain higher boost pressure at a low speed, the required large torque cannot be generated, the boost pressure of the engine rises too fast at a high rotating speed, is much larger than the ideal boost pressure, exceeds the working range, and exceeds the overspeed overtemperature and the air inflow exceeds the requirement are improved.
The invention will be described in further detail with reference to the drawings and the detailed description.
Drawings
FIG. 1 is a schematic diagram of engine operation at low engine speeds in an embodiment of the present invention.
FIG. 2 is a schematic diagram of engine operation at high speeds in an embodiment of the present invention.
Fig. 3 is a schematic diagram showing a connection structure between the turbine shaft and the sleeve.
Fig. 4 is a schematic diagram of a connection structure between the turbine shaft and the sleeve.
Fig. 5 is a schematic view of the structure of the electric mechanism according to the embodiment of the invention.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-5, an axial moving turbocharger comprises a housing 1, a compressor chamber 2, a middle chamber 3 and a turbine chamber 4 are sequentially arranged in the housing from front to back, an air inlet 5, an air outlet 6, an impeller 7 and an impeller rotating shaft 8 are arranged in the compressor chamber, an exhaust gas inlet 9, an exhaust gas outlet 10, a turbine 11 and a turbine rotating shaft 12 are arranged in the turbine chamber, the impeller rotating shaft and the turbine rotating shaft coaxially extend into the middle chamber and are mutually connected through a sleeve 13, one end of the sleeve is fixedly connected with the impeller rotating shaft, a plurality of axially extending inner sliding grooves 14 are uniformly distributed on the circumference of the inner circumference of the other end of the sleeve, a plurality of axially extending outer sliding grooves 15 are uniformly distributed on the circumference of the outer circumference of the turbine rotating shaft, a plurality of balls 16 are correspondingly and respectively embedded in the outer sliding grooves and the inner sliding grooves of the turbine rotating shaft, and the turbine rotating shaft is driven by an electric mechanism to axially slide and adjust.
In the embodiment of the invention, the air inlet is positioned on the front end face side of the impeller, the air outlet is positioned on the peripheral side of the impeller, and the impeller rotating shaft extends into the middle chamber along the rear end face side of the impeller.
In an embodiment of the present invention, the exhaust gas inlet is located on a peripheral side of the turbine, the exhaust gas outlet is located on a rear end face side of the turbine, and the turbine rotating shaft extends into the intermediate chamber along a front end face side of the turbine.
In the embodiment of the invention, one end of the sleeve is in threaded connection with the impeller rotating shaft into a whole, the two axial ends of the inner chute and the outer chute are of closed structures, the number of the balls on the inner chute and the outer chute which are in one-to-one correspondence is a plurality of balls which are uniformly distributed in the axial direction, the diameters of the balls are radial intervals between the inner chute and the outer chute which are in one-to-one correspondence, and the length of the inner chute is larger than that of the outer chute.
In the embodiment of the invention, a lubricating oil inlet 17 and a lubricating oil outlet 18 are arranged in the middle cavity, so that the turbocharger rotor is cooled and lubricated and the lubricating oil is replaced.
In the embodiment of the invention, the electric mechanism comprises a stepping motor 19 positioned at the outer side of a shell, a driving gear 20 on an output shaft of the stepping motor is meshed with a driven gear 21, a transmission shaft 22 is coaxially and fixedly connected to the end surface of the driven gear, the top end of the transmission shaft radially extends into a middle cavity, two fixed brackets 23 are fixedly connected to the end surface of the middle cavity near a turbine cavity, the transmission shaft in the middle cavity passes through the two fixed brackets to be positioned, a left-handed thread 24 and a right-handed thread 25 are arranged at the periphery of the transmission shaft in the middle cavity, a first nut 26 is connected to the left-handed thread in a threaded manner, a second nut 27 is connected to the right-handed thread in a threaded manner, a first connecting rod 28 is hinged to the first nut, a second connecting rod 29 is hinged to the second nut, the first connecting rod is hinged to the middle part of the second connecting rod, the other end of the first connecting rod is hinged to a third connecting rod 30, the other end of the second connecting rod is hinged to a fourth connecting rod 31, the other end of the third connecting rod is hinged to the fourth connecting rod, and the other end of the fourth connecting rod is hinged to the fourth connecting rod, and the length of the third connecting rod and the fourth connecting rod is equal to one half of the length of the fourth connecting rod; the stepper motor is electrically connected to the controller 32.
In the embodiment of the invention, a thrust ball bearing 33 is sleeved on a turbine rotating shaft in the turbine chamber, an inner ring of the thrust ball bearing is in interference fit with the turbine rotating shaft, and an outer ring of the thrust ball bearing is hinged with a hinge point of a third connecting rod and a fourth connecting rod; the intermediate chamber is provided with a floating bearing 34 on the end face near the turbine chamber, and the turbine rotating shaft is in clearance fit with the inner ring of the floating bearing.
In the embodiment of the invention, a sealing ring 35 arranged on the rotating shaft of the turbine is arranged on the front end face side of the turbine.
The application method of the axial moving type turbocharger comprises the following steps: (1) When the engine runs at a low speed, the electric mechanism drives the turbine rotating shaft and the turbine to move to the rear end point, at the moment, all blades of the turbine are positioned on the exhaust gas inlet, and all exhaust gas discharged by the engine acts on the turbine; (2) When the engine is in high-speed operation, the electric mechanism drives the turbine rotating shaft and the turbine to move to the front end point, at the moment, the blade part of the turbine is positioned on the exhaust gas inlet, part of exhaust gas discharged by the engine acts on the turbine, and the rest part of exhaust gas is discharged along the exhaust gas outlet from a clearance beside the turbine.
In the embodiment of the invention, in the step (1), a stepping motor receives a signal sent by a controller, a motor of an electric mechanism rotates clockwise to drive a transmission shaft to rotate, a first nut and a second nut are mutually far away to drive a parallelogram mechanism formed by a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod to shrink, so that a thrust ball bearing and a turbine rotating shaft are driven to slide backwards, and a turbine moves to a rear end point; in the step (2), the stepping motor receives a signal sent by the controller, the motor of the electric mechanism rotates anticlockwise to drive the transmission shaft to rotate, the first nut and the second nut are mutually close to drive the parallelogram mechanism formed by the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod to expand, so that the thrust ball bearing and the turbine rotating shaft are driven to slide forwards, and the turbine moves to the front end point.
In the embodiment of the invention, when the engine runs at a low speed, the amount of exhaust gas discharged by the engine is small, and in order to fully utilize the energy of the exhaust gas, the exhaust gas discharged by the engine is enabled to fully act on the turbine, so when the control unit of the controller detects that the engine runs at the low speed, a signal is sent to the stepping motor according to the information stored in the controller, and the stepping motor starts to work after receiving the signal; when the engine runs at a high speed, the amount of exhaust gas discharged by the engine is enough, the supercharger is often damaged due to the fact that the usable energy of the exhaust gas exceeds the working range of the supercharger, overspeed, overtemperature, excess air inflow and the like occur, so that when the control unit of the controller detects that the engine runs at the high speed, a control signal is sent out, and the stepping motor starts to work after receiving the signal; the position of the blades of the turbine at the exhaust gas inlet is adjusted by changing the forward and reverse rotation of the stepping motor, so that the working area of the exhaust gas acting on the turbine blades is changed.
The present invention is not limited to the above-described preferred embodiments, and any person may derive other various types of axial-motion turbochargers and methods of using the same, in light of the present disclosure. All equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides an axial displacement formula turbocharger, includes the casing, the inside of casing is equipped with compressor cavity, middle cavity, turbine cavity in proper order from the past backward, be equipped with air inlet, air outlet, impeller pivot in the compressor cavity, be equipped with waste gas inlet, waste gas outlet, turbine pivot in the turbine cavity, its characterized in that: the impeller rotating shaft and the turbine rotating shaft coaxially extend into the middle chamber and are connected with each other through a sleeve, one end of the sleeve is fixedly connected with the impeller rotating shaft, a plurality of axially extending inner sliding grooves are uniformly distributed on the circumference of the inner periphery of the other end of the sleeve, a plurality of axially extending outer sliding grooves are uniformly distributed on the circumference of the outer periphery of the turbine rotating shaft, the outer sliding grooves of the turbine rotating shaft inserted into the sleeve correspond to the inner sliding grooves one by one and are embedded with a plurality of balls, and the turbine rotating shaft is driven by an electric mechanism to axially slide and adjust; the air inlet is positioned on the front end face side of the impeller, the air outlet is positioned on the peripheral side of the impeller, and the impeller rotating shaft extends into the middle chamber along the rear end face side of the impeller; the exhaust gas inlet is positioned on the peripheral side of the turbine, the exhaust gas outlet is positioned on the rear end face side of the turbine, and the turbine rotating shaft extends into the intermediate chamber along the front end face side of the turbine.
2. The axially movable turbocharger of claim 1, wherein: one end of the sleeve is in threaded connection with the impeller rotating shaft as a whole, the two axial ends of the inner sliding groove and the outer sliding groove are of closed structures, the number of the balls on the inner sliding groove and the outer sliding groove which are in one-to-one correspondence are a plurality of balls and are uniformly distributed in the axial direction, the diameters of the balls are the radial distance between the inner sliding groove and the outer sliding groove which are in one-to-one correspondence, and the length of the inner sliding groove is larger than that of the outer sliding groove.
3. The axially movable turbocharger of claim 1, wherein: and a lubricating oil inlet and a lubricating oil outlet are arranged in the middle cavity.
4. The axially movable turbocharger of claim 1, wherein: the electric mechanism comprises a stepping motor positioned at the outer side of a shell, a driven gear is meshed with a driving gear on an output shaft of the stepping motor, a transmission shaft is coaxially and fixedly connected to the end face of the driven gear, the top end of the transmission shaft radially extends into a middle cavity, two fixed supports are fixedly connected to the end face of the middle cavity near the turbine cavity, the transmission shaft in the middle cavity penetrates through the two fixed supports to be positioned, left-handed threads and right-handed threads are arranged on the periphery of the transmission shaft in the middle cavity, a first nut is screwed on the left-handed threads, a second nut is screwed on the right-handed threads, a first connecting rod is hinged to the first nut, a second connecting rod is hinged to the second nut, the first connecting rod is hinged to the middle of the second connecting rod, an X-shaped hinge structure is formed by hinging the other end of the first connecting rod, a fourth connecting rod is hinged to the other end of the second connecting rod, the third connecting rod is hinged to the other end of the fourth connecting rod, and the third connecting rod and the fourth connecting rod are both the first length and the second length of one half of the second connecting rod; the stepper motor is electrically connected with the controller.
5. The axially movable turbocharger of claim 4, wherein: a thrust ball bearing is sleeved on a turbine rotating shaft in the turbine chamber, an inner ring of the thrust ball bearing is in interference fit with the turbine rotating shaft, and an outer ring of the thrust ball bearing is hinged with a hinge point of a third connecting rod and a fourth connecting rod; the intermediate chamber is provided with a floating bearing on the end face close to the turbine chamber, and the turbine rotating shaft is in clearance fit with an inner ring of the floating bearing.
6. The axially movable turbocharger of claim 1, wherein: and a sealing ring arranged on the rotating shaft of the turbine is arranged on the front end face side of the turbine.
7. A method of using an axially movable turbocharger as claimed in any one of claims 1 to 6, comprising the steps of: (1) When the engine runs at a low speed, the electric mechanism drives the turbine rotating shaft and the turbine to move to the rear end point, at the moment, all blades of the turbine are positioned on the exhaust gas inlet, and all exhaust gas discharged by the engine acts on the turbine; (2) When the engine is in high-speed operation, the electric mechanism drives the turbine rotating shaft and the turbine to move to the front end point, at the moment, the blade part of the turbine is positioned on the exhaust gas inlet, part of exhaust gas discharged by the engine acts on the turbine, and the rest part of exhaust gas is discharged along the exhaust gas outlet from a clearance beside the turbine.
8. The method of using an axially movable turbocharger according to claim 7, wherein: in the step (1), a motor of the electric mechanism rotates clockwise to drive a transmission shaft to rotate, a first nut and a second nut are mutually far away to drive a parallelogram mechanism formed by a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod to shrink, so that a thrust ball bearing and a turbine rotating shaft are driven to slide backwards, and a turbine moves to a rear end point; in the step (2), the motor of the electric mechanism rotates anticlockwise to drive the transmission shaft to rotate, the first nut and the second nut are mutually close to drive the parallelogram mechanism formed by the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod to expand, so that the thrust ball bearing and the turbine rotating shaft are driven to slide forwards, and the turbine moves to the front end point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810451886.XA CN108506083B (en) | 2018-05-12 | 2018-05-12 | Axial moving type turbocharger and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810451886.XA CN108506083B (en) | 2018-05-12 | 2018-05-12 | Axial moving type turbocharger and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108506083A CN108506083A (en) | 2018-09-07 |
| CN108506083B true CN108506083B (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810451886.XA Active CN108506083B (en) | 2018-05-12 | 2018-05-12 | Axial moving type turbocharger and application method thereof |
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| Country | Link |
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| CN (1) | CN108506083B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114458416A (en) * | 2022-01-28 | 2022-05-10 | 东风商用车有限公司 | Floating type variable cross-section impeller structure in oil-gas separation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1861987A (en) * | 2006-06-15 | 2006-11-15 | 吴杰 | Pressurizer of miniturbine with mixed flow turbine and water cooled bearing body |
| CN102383918A (en) * | 2011-10-21 | 2012-03-21 | 中联重科股份有限公司 | Turbocharger |
| CN103958837A (en) * | 2011-12-01 | 2014-07-30 | Ihi供应系统国际有限责任公司 | Fluid energy machine, in particular for exhaust-gas turbocharger, with obliquely arranged rotatable guide element |
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| CN108506083A (en) | 2018-09-07 |
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