CN114526129B - Turbocharger with shaft assembly - Google Patents

Turbocharger with shaft assembly Download PDF

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Publication number
CN114526129B
CN114526129B CN202111648938.0A CN202111648938A CN114526129B CN 114526129 B CN114526129 B CN 114526129B CN 202111648938 A CN202111648938 A CN 202111648938A CN 114526129 B CN114526129 B CN 114526129B
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CN
China
Prior art keywords
protruding ring
rotating shaft
ring
main body
assembly
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.)
Active
Application number
CN202111648938.0A
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Chinese (zh)
Other versions
CN114526129A (en
Inventor
刘湘
毕金光
蒋华锋
李欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO WEIFU TIANLI TURBOCHARGING TECHNOLOGY CO LTD
Original Assignee
NINGBO WEIFU TIANLI TURBOCHARGING TECHNOLOGY CO LTD
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Publication date
Application filed by NINGBO WEIFU TIANLI TURBOCHARGING TECHNOLOGY CO LTD filed Critical NINGBO WEIFU TIANLI TURBOCHARGING TECHNOLOGY CO LTD
Priority to CN202111648938.0A priority Critical patent/CN114526129B/en
Publication of CN114526129A publication Critical patent/CN114526129A/en
Application granted granted Critical
Publication of CN114526129B publication Critical patent/CN114526129B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/18—Lubricating arrangements
    • 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
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/14—Lubrication of pumps; Safety measures therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
    • F02C6/10—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant
    • F02C6/12—Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053—Shafts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Supercharger (AREA)

Abstract

A turbocharger having a shaft assembly in the present application, the turbocharger comprising a compressor assembly, a turbine assembly, a center housing assembly; the compressor assembly is internally provided with a compressor impeller, and the turbine assembly is internally provided with a turbine impeller; the turbocharger is internally provided with a rotating shaft main body, a part of the rotating shaft main body extends into the compressor impeller, a first protruding ring and a second protruding ring are arranged on the rotating shaft main body of the part, the outer surfaces of the first protruding ring and the second protruding ring are planes, and the first protruding ring and the second protruding ring are kept in contact with the inner wall of a hole in the compressor impeller; the part of the rotating shaft main body is arranged in the bearing, and one end of the rotating shaft main body is connected with the turbine impeller. According to the invention, through the design of the form of the rotating shaft in the supercharger, the elastic performance of the rotating shaft is improved, the capability of the rotating shaft for counteracting stress disturbance is enhanced, meanwhile, the oil storage and lubrication effects are good, and the running stability of the supercharger is improved.

Description

Turbocharger with shaft assembly
Technical Field
The invention belongs to the technical field of turbochargers, and particularly relates to a turbocharger with a shaft assembly.
Background
The turbocharging technology is widely applied to automobiles, wherein the turbocharger utilizes heat energy, kinetic energy and pressure energy in exhaust gas discharged by an engine during operation to push a turbine in a turbine box, the turbine drives a coaxial impeller to form a rotor assembly, and the impeller compresses air sent by an air filter pipeline to enable the air to enter a combustion chamber of the engine after being pressurized. Turbochargers generally consist of parts such as turbines, core components, compressors and the like, and as an important device applied to automobiles, the reliability, the running stability and the like of the turbochargers need to be focused.
In the turbocharger, the turbine impeller and the compressor impeller are connected through the rotating shaft, synchronous rotation is guaranteed, and when the exhaust gas drives the turbine impeller to rotate, the compressor impeller can be driven to rotate through the rotating shaft, so that the air inflow is increased.
Specifically, in the working process of the turbocharger, the rotating shaft rotates at a high speed, if the gravity center of the rotating system deviates from the rotating axis, the stress of the rotating shaft is unbalanced, the tendency of stress bending exists, if a concave area and an annular convex area are arranged on the rotating shaft, the elasticity of the rotating shaft can be properly improved, better elastic restoring force is provided, disturbance caused by the stress unbalance is counteracted, and the running stability is improved.
In addition, the rotating shaft part is arranged in a lubricating oil system and is used for providing oil film lubrication and dynamic pressure oil film support during rotation, and the oil storage capacity can be increased by properly arranging the concave area on the rotating shaft, so that the lubrication is facilitated.
Accordingly, based on the above circumstances, the present application has made further designs and improvements to turbochargers.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the turbocharger with the shaft assembly, and through the design of the form of the rotating shaft in the turbocharger, the elastic performance of the rotating shaft is improved, the capability of the rotating shaft for counteracting stress disturbance is enhanced, meanwhile, the oil storage and lubrication effects are good, and the running stability of the supercharger is improved.
The invention is solved by the following technical scheme.
A turbocharger having a shaft assembly as herein described, the turbocharger comprising a compressor assembly, a turbine assembly, a center housing assembly; the compressor assembly is internally provided with a compressor impeller, and the turbine assembly is internally provided with a turbine impeller; the turbocharger is internally provided with a rotating shaft main body, a part of the rotating shaft main body extends into the compressor impeller, a first protruding ring and a second protruding ring are arranged on the rotating shaft main body of the part, the outer surfaces of the first protruding ring and the second protruding ring are planes, and the first protruding ring and the second protruding ring are kept in contact with the inner wall of a hole in the compressor impeller; a portion of the shaft body is disposed in a bearing, and one end of the shaft body extends into the turbine wheel.
In a preferred embodiment, the shaft body of the portion disposed in the bearing is provided with a fourth projecting ring and a fifth projecting ring, the outer surfaces of which are flat and remain in contact with the inner wall of the bearing.
In a preferred embodiment, a third protruding ring is arranged at a position between the second protruding ring and the fourth protruding ring on the rotating shaft main body, the outer surface of the third protruding ring is a plane, and the third protruding ring is kept in contact with the inner wall of the shaft seal sleeve, specifically, the assembly can be performed through interference fit, and synchronous rotation is kept.
In the turbocharger, in the shaft assembly, a plurality of protruding rings are arranged on a rotating shaft main body at intervals, and the outer surfaces of the protruding rings are supported and assembled. Meanwhile, through redesigning the form of the rotating shaft main body, the elastic performance of the rotating shaft is improved, and the capability of the rotating shaft for counteracting stress disturbance is enhanced.
In a preferred embodiment, the protruding height of the fourth protruding ring is greater than the height of the third protruding ring, and the fourth protruding ring is positioned against the end face of the shaft sleeve towards the side wall of the shaft sleeve when assembled.
In a preferred embodiment, the length of the third projecting ring is less than the length of the bore in the shaft sleeve, and the third projecting ring is held in contact with a substantially middle section of the inner wall of the shaft sleeve.
In a preferred embodiment, the first projecting ring is located in a hole in the compressor wheel near the outside; the second bulge loop is located near the inboard position in the hole of compressor wheel, guarantees the balance of holding power, and the preferred second bulge loop is located the focus position of compressor wheel, supports effectually, and stability is high when rotating. In addition, the length of the first protruding ring is smaller than the length of the second protruding ring. The first protruding ring is relatively far away from the gravity center position, so that the first protruding ring can be narrower, and the second protruding ring is required to bear more force and load at the gravity center position, so that the first protruding ring is wider and has stronger supporting force.
In a preferred embodiment, a first concave position is formed between the first convex ring and the second convex ring, so that weight is reduced, the gravity center of the integral shaft assembly moves inwards, and meanwhile, unbalance risk caused by uncoordinated cylindricity of the inner hole of the impeller and the rotating shaft is reduced, and force balance during rotation is facilitated. The fourth bulge loop and the fifth bulge loop are respectively used for supporting two ends of the bearing, and a second concave position is formed between the fourth bulge loop and the fifth bulge loop and used for storing oil and increasing the lubricating oil quantity.
In a preferred embodiment, the first, second, and third raised rings have substantially the same first raised height; the fourth and fifth raised rings have a second raised height that exceeds the first raised height. The structure makes the fourth bulge loop and the fifth bulge loop bigger and heavier, is favorable for ensuring the force balance of the gravity center of the whole shaft assembly on the position of the center of the supercharger as much as possible.
In a preferred embodiment, the fifth projecting ring of the shaft body is outboard of a fitting for fitting a turbine wheel.
In a preferred embodiment, the turbocharger is further provided with a control unit, and the control unit drives the plate to rotate through the connecting rod, so as to drive the wastegate to open and close.
Compared with the prior art, the invention has the following beneficial effects: the turbocharger with the shaft assembly has the advantages that through the design of the shape of the rotating shaft in the turbocharger, the elastic performance of the rotating shaft is improved, the capacity of the rotating shaft for counteracting stress disturbance is enhanced, meanwhile, the oil storage and lubrication effects are good, and the running stability of the turbocharger is improved.
Drawings
Fig. 1 is a schematic view of a turbocharger according to the present invention.
Fig. 2 is a cross-sectional view of a shaft assembly for use in a turbocharger in accordance with the present invention.
Fig. 3 is an enlarged view of area a in fig. 2.
Fig. 4 is an enlarged view of region B in fig. 2.
Fig. 5 is a schematic view of the shaft body and shaft seal sleeve thereon.
Fig. 6 is a cross-sectional view of region C of fig. 5.
Fig. 7 is a schematic view of a spindle body according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
In the following embodiments, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout, and the embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms: the directions of the center, the longitudinal, the lateral, the length, the width, the thickness, the upper, the lower, the front, the rear, the left, the right, the vertical, the horizontal, the top, the bottom, the inner, the outer, the clockwise, the counterclockwise, etc. indicate the directions or the positional relationship based on the directions or the positional relationship shown in the drawings, are merely for convenience of description and simplification of the description, and therefore, should not be construed as limiting the present invention. Furthermore, the term: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of features shown. In the description of the present invention, unless explicitly specified and defined otherwise, the terms: mounting, connecting, etc. should be construed broadly and the specific meaning of the terms in the present application will be understood by those skilled in the art in view of the specific circumstances.
Referring to fig. 1 to 7, fig. 1 is a schematic view of a turbocharger in the present application, which includes a compressor assembly 3, a turbine assembly 2, and a central housing assembly 1, and a control unit 4 is further disposed on the turbocharger, where the control unit 4 drives a plate 51 to rotate through a connecting rod 5, so as to drive a wastegate to open and close.
Referring to fig. 2, the shaft assembly in the turbocharger comprises a rotating shaft main body 9 arranged in the turbocharger, a part of the rotating shaft main body 9 extends into the compressor impeller 98, a first protruding ring 901 and a second protruding ring 902 are arranged on the rotating shaft main body 9 of the part, the outer surfaces of the first protruding ring 901 and the second protruding ring 902 are plane, and are kept in contact with the inner wall of a hole in the compressor impeller 98, so that the assembling and supporting functions are achieved, and the rotating shaft main body 9 and the compressor impeller 98 rotate synchronously. The part of the rotating shaft main body 9 is placed in the bearing 6, and a fourth protruding ring 904 and a fifth protruding ring 905 are arranged on the rotating shaft main body 9 of the part, and the outer surfaces of the fourth protruding ring 904 and the fifth protruding ring 905 are plane and keep contact with the inner wall of the bearing 6 for positioning and supporting.
In addition, in this application, a third protruding ring 903 is disposed at a position between the second protruding ring 902 and the fourth protruding ring 904 on the shaft main body 9, and an outer surface of the third protruding ring 903 is a plane and keeps in contact with an inner wall of the shaft seal sleeve 95, specifically, is assembled by interference fit, and keeps rotating synchronously.
As can be seen in fig. 3, in the present application, the first projecting ring 901 is located in the hole of the compressor wheel 98 near the outside; the second projecting ring 902 is located in the hole of the compressor impeller 98 near the inner side, so as to ensure balance of supporting force, preferably, the second projecting ring 902 is located at the center of gravity of the compressor impeller 98, so that the supporting effect is good, and the stability is high during rotation. The outside of the compressor wheel 98 is positioned by a nut 91.
And, further, the length of the first male ring 901 is less than the length of the second male ring 902. The first projecting ring 901 is relatively far from the center of gravity, and thus can be narrower, and the second projecting ring 902 is required to bear more force and load at the center of gravity, and thus wider and has stronger supporting force. In addition, a first concave position 9a is formed between the first convex ring 901 and the second convex ring 902, so that the weight is reduced, the gravity center of the whole shaft assembly moves inwards, and meanwhile, the unbalanced risk caused by the uncooled cylindricity of the inner hole of the impeller and the rotating shaft is reduced, and the force balance during rotation is facilitated.
As can be seen from the figures, in the present application, the first projecting ring 901, the second projecting ring 902 and the third projecting ring 903 have substantially the same first projecting height; the fourth projecting ring 904 and the fifth projecting ring 905 have a second projecting height that exceeds the first projecting height. This configuration allows the fourth projecting ring 904 and the fifth projecting ring 905 to be larger and heavier, which facilitates the center of gravity of the integral shaft assembly in the center of the supercharger as much as possible, ensuring force balance.
As can be seen from fig. 4, in the present application, the fourth protruding ring 904 and the fifth protruding ring 905 are used for supporting two ends of the bearing 6, respectively, and a second recess 9b is formed between the fourth protruding ring 904 and the fifth protruding ring 905 for storing oil and increasing the amount of lubrication oil.
Further, as can be seen from fig. 6, the projecting height of the fourth projecting ring 904 is larger than the height of the third projecting ring 903, and the fourth projecting ring 904 is positioned against the end face of the shaft sleeve 95 toward the side wall 904a of the shaft seal sleeve 95 when assembled. The length of the third nose ring 903 is less than the length of the bore in the shaft seal sleeve 95 and the third nose ring 903 remains in contact with the substantially middle section of the inner wall of the shaft seal sleeve 95.
In this application, the fifth projecting ring 905 of the shaft body 9 is outboard of a fitting 907 for fitting the turbine wheel 99.
As can be seen from the above description, in the supercharger of the present application, in the shaft assembly, the rotating shaft main body 9 is provided with a plurality of protruding rings at intervals, and the protruding rings are supported and assembled by the outer surfaces of the protruding rings. Meanwhile, in the invention, through the design of the form of the rotating shaft in the supercharger, the elastic performance of the rotating shaft is improved, the capability of the rotating shaft for counteracting stress disturbance is enhanced, meanwhile, the oil storage and lubrication effects are good, and the running stability of the supercharger is improved.
The scope of the present invention includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the invention.

Claims (1)

1. A turbocharger having a shaft assembly, the turbocharger comprising a compressor assembly (3), a turbine assembly (2), a center housing assembly (1); a compressor impeller (98) is arranged in the compressor assembly (3), and a turbine impeller (99) is arranged in the turbine assembly (2);
the method is characterized in that:
the turbocharger is provided with a rotating shaft main body (9), wherein a part of the rotating shaft main body (9) stretches into a compressor impeller (98), a first protruding ring (901) and a second protruding ring (902) are arranged on the rotating shaft main body (9) of the part, the outer surfaces of the first protruding ring (901) and the second protruding ring (902) are planes, and the outer surfaces of the first protruding ring and the second protruding ring are kept in contact with the inner wall of a hole in the compressor impeller (98);
a part of the rotating shaft main body (9) is arranged in the bearing (6), and one end of the rotating shaft main body (9) is connected with the turbine impeller (99);
a fourth protruding ring (904) and a fifth protruding ring (905) are arranged on the rotating shaft main body (9) of the part arranged in the bearing (6), the outer surfaces of the fourth protruding ring (904) and the fifth protruding ring (905) are plane, and are kept in contact with the inner wall of the bearing (6);
a third bulge loop (903) is arranged at a position between the second bulge loop (902) and the fourth bulge loop (904) on the rotating shaft main body (9), the outer surface of the third bulge loop (903) is a plane and keeps contact with the inner wall of the shaft seal sleeve (95);
a first concave position (9 a) is formed between the first convex ring (901) and the second convex ring (902); the fourth protruding ring (904) and the fifth protruding ring (905) are respectively used for supporting two ends of the bearing (6), and a second concave position (9 b) is formed between the fourth protruding ring (904) and the fifth protruding ring (905);
the protruding height of the fourth protruding ring (904) is larger than the height of the third protruding ring (903), and the side wall (904 a) of the fourth protruding ring (904) facing the shaft seal sleeve (95) is abutted against the end face of the shaft sleeve (95);
the length of the third bulge loop (903) is smaller than the length of a hole on the shaft seal sleeve (95), and the third bulge loop (903) is kept in contact with the approximate middle section of the inner wall of the shaft seal sleeve (95);
the first raised ring (901) is located in a hole of the compressor wheel (98) near the outside; the second raised ring (902) is located inside the bore of the compressor wheel (98); the length of the first protruding ring (901) is smaller than the length of the second protruding ring (902);
the first bulge-loop (901), the second bulge-loop (902), the third bulge-loop (903) have substantially the same first bulge-height; -the fourth (904) and fifth (905) projecting rings have a second projecting height exceeding the first projecting height;
the outer side of the fifth protruding ring (905) of the rotating shaft main body (9) is provided with a fitting (907) for assembling a turbine wheel (99);
the turbocharger is also provided with a control unit (4), and the control unit (4) drives the plate (51) to rotate through the connecting rod (5) so as to drive the opening and closing of the waste gate;
the third protruding ring (903) is assembled with the inner wall of the shaft seal sleeve (95) through interference fit, and the second protruding ring (902) is located at the gravity center position of the compressor impeller (98).
CN202111648938.0A 2021-12-30 2021-12-30 Turbocharger with shaft assembly Active CN114526129B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111648938.0A CN114526129B (en) 2021-12-30 2021-12-30 Turbocharger with shaft assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111648938.0A CN114526129B (en) 2021-12-30 2021-12-30 Turbocharger with shaft assembly

Publications (2)

Publication Number Publication Date
CN114526129A CN114526129A (en) 2022-05-24
CN114526129B true CN114526129B (en) 2024-02-06

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ID=81620294

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863826A (en) * 2015-02-06 2016-08-17 霍尼韦尔国际公司 Passive and semi-passive inlet-adjustment mechanisms for compressor, and turbocharger having same
FR3036440A1 (en) * 2015-05-18 2016-11-25 Maike Automotive Services TURBINE, TREE AND BEAR ASSEMBLY FOR TURBOCHARGER
CN205779231U (en) * 2016-05-26 2016-12-07 江苏毅合捷汽车科技股份有限公司 A kind of high life turbocharger movement
US10227992B2 (en) * 2013-07-03 2019-03-12 Continental Automotive Gmbh Rotor for a turbocharger device, turbocharger device having a rotor, and shaft for a rotor of said type
EP2592280B1 (en) * 2011-11-08 2019-06-12 Garrett Transportation I Inc. Compressor wheel shaft with recessed portion
CN211287884U (en) * 2019-12-17 2020-08-18 江苏毅合捷汽车科技股份有限公司 Oil leakage prevention structure of machine core pressing end
CN212105975U (en) * 2020-04-20 2020-12-08 宁波威孚天力增压技术股份有限公司 Turbocharger with improved floating bearing positioning structure
CN112065508A (en) * 2019-06-11 2020-12-11 盖瑞特交通一公司 Turbocharger turbine wheel
CN212716883U (en) * 2020-07-21 2021-03-16 江西五十铃发动机有限公司 Abrasionproof decreases booster

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7025579B2 (en) * 2001-10-16 2006-04-11 Innovative Turbo Systems Corporation Bearing system for high-speed rotating machinery
US8348595B2 (en) * 2006-09-29 2013-01-08 Borgwarner Inc. Sealing system between bearing and compressor housing

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2592280B1 (en) * 2011-11-08 2019-06-12 Garrett Transportation I Inc. Compressor wheel shaft with recessed portion
US10227992B2 (en) * 2013-07-03 2019-03-12 Continental Automotive Gmbh Rotor for a turbocharger device, turbocharger device having a rotor, and shaft for a rotor of said type
CN105863826A (en) * 2015-02-06 2016-08-17 霍尼韦尔国际公司 Passive and semi-passive inlet-adjustment mechanisms for compressor, and turbocharger having same
FR3036440A1 (en) * 2015-05-18 2016-11-25 Maike Automotive Services TURBINE, TREE AND BEAR ASSEMBLY FOR TURBOCHARGER
CN205779231U (en) * 2016-05-26 2016-12-07 江苏毅合捷汽车科技股份有限公司 A kind of high life turbocharger movement
CN112065508A (en) * 2019-06-11 2020-12-11 盖瑞特交通一公司 Turbocharger turbine wheel
CN211287884U (en) * 2019-12-17 2020-08-18 江苏毅合捷汽车科技股份有限公司 Oil leakage prevention structure of machine core pressing end
CN212105975U (en) * 2020-04-20 2020-12-08 宁波威孚天力增压技术股份有限公司 Turbocharger with improved floating bearing positioning structure
CN212716883U (en) * 2020-07-21 2021-03-16 江西五十铃发动机有限公司 Abrasionproof decreases booster

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