WO2015002141A1 - Arbre de turbine et compresseur - Google Patents

Arbre de turbine et compresseur Download PDF

Info

Publication number
WO2015002141A1
WO2015002141A1 PCT/JP2014/067377 JP2014067377W WO2015002141A1 WO 2015002141 A1 WO2015002141 A1 WO 2015002141A1 JP 2014067377 W JP2014067377 W JP 2014067377W WO 2015002141 A1 WO2015002141 A1 WO 2015002141A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
peripheral surface
press
turbine
outer peripheral
Prior art date
Application number
PCT/JP2014/067377
Other languages
English (en)
Japanese (ja)
Inventor
和宏 鬼束
高広 小林
Original Assignee
株式会社Ihi
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社Ihi filed Critical 株式会社Ihi
Publication of WO2015002141A1 publication Critical patent/WO2015002141A1/fr

Links

Images

Classifications

    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/025—Fixing blade carrying members on shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/40—Application in turbochargers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/37—Retaining components in desired mutual position by a press fit connection

Definitions

  • the present invention relates to a turbine shaft and a supercharger in which an impeller is joined to one end of a shaft.
  • a conventional turbocharger has a bearing housing that houses a turbine shaft and rotatably supports it.
  • the turbine shaft has a shaft and a turbine impeller joined to one end of the shaft.
  • a compressor impeller is fixed to the other end of the shaft by tightening a nut.
  • One of the shaft and the turbine impeller is provided with an insertion hole that is recessed in the axial direction of the turbine shaft.
  • the other of the shaft and the turbine impeller is provided with a protruding portion that protrudes in the axial direction of the turbine shaft and fits into the insertion hole.
  • an insertion hole is formed in the turbine impeller, and a protrusion is formed on the shaft. This protrusion is inserted into the insertion hole of the turbine impeller. And it welds with respect to the end surface in which the opening of an insertion hole is formed, and the site
  • the outer diameter of the protrusion is slightly larger than the inner diameter of the insertion hole, and the protrusion is press-fitted into the insertion hole, thereby suppressing misalignment between the shaft axis of the shaft and the axis of the turbine impeller. It is possible to do.
  • the material of the turbine impeller is hard and hardly elastically deformed. For this reason, even if the variation in the dimensions of the insertion hole and the protrusion is within the range of dimensional tolerance, the pressure input becomes excessive and the strength is lost, or the protrusion is caught on the inner peripheral surface of the insertion hole. May occur.
  • an object of the present invention is to provide a turbine shaft and a supercharger that enable press-fitting of the shaft and the impeller and easily adjust the balance by matching the positions of the shaft centers of the shaft and the impeller with high accuracy. is there.
  • 1st aspect of this invention is a turbine axis
  • the portion where the abutting portion abuts on the outer peripheral surface of the protruding portion or the inner peripheral surface of the press-fitting hole is longer in the axial direction of the shaft than the opposite portion of the outer peripheral surface of the protruding portion and the inner peripheral surface of the press-fitting hole.
  • the gist is short.
  • a second aspect of the present invention is a supercharger, in which a turbocharger main body, a turbine shaft rotatably accommodated in the supercharger main body, a turbine impeller joined to one end of the shaft, and a turbine shaft
  • a turbocharger including a compressor impeller provided at the other end of the shaft, wherein the turbine shaft is provided at one of the shaft and the turbine impeller and protrudes in the axial direction of the shaft; and the shaft And the other side of the turbine impeller, the press-fitted hole recessed in the axial direction of the shaft, the outer peripheral surface of the projecting portion and the inner peripheral surface of the press-fit hole, and projecting in the radial direction of the shaft, An abutting portion that abuts on the other of the outer peripheral surface of the protruding portion and the inner peripheral surface of the press-fitting hole, and a joint that joins the shaft and the turbine impeller in a state where the protruding portion is press-fitted into the press-fitting hole.
  • the portion where the abutting portion abuts on the outer peripheral surface of the protruding portion or the inner peripheral surface of the press-fitting hole is more axial than the opposite portion of the outer peripheral surface of the protruding portion and the inner peripheral surface of the press-fitting hole.
  • the gist is that the length is short.
  • the contact portion may be formed in an annular shape in the circumferential direction of the shaft.
  • the contact portion may be curved so as to protrude outward in the radial direction of the shaft.
  • the outer peripheral surface of the protrusion may have a tapered surface that is provided on a tip side of the protrusion and guides insertion of the shaft into the turbine impeller.
  • the outer peripheral surface of the protrusion may have a cylindrical surface that is provided on the proximal end side of the protrusion, extends in the axial direction of the shaft, and guides the insertion of the shaft into the turbine impeller.
  • the shaft and the impeller can be press-fitted, and the balance can be easily adjusted by matching the positions of the shaft centers of the shaft and the impeller with high accuracy.
  • FIG. 1 is a schematic cross-sectional view of a supercharger according to an embodiment of the present invention.
  • FIG. 2A, FIG. 2B, FIG. 2D, and FIG. 2E are explanatory diagrams for explaining a turbine shaft according to an embodiment of the present invention.
  • FIG.2 (c) is a figure which shows the comparative example with respect to one Embodiment of this invention.
  • FIG. 3A to FIG. 3F are explanatory diagrams for explaining a modification of one embodiment of the present invention.
  • FIG. 1 is a schematic sectional view of the supercharger C.
  • the arrow L direction shown in the figure is the left side of the supercharger C
  • the arrow R direction is the right side of the supercharger C.
  • the supercharger C includes a supercharger main body 1.
  • the turbocharger body 1 includes a bearing housing 2, a turbine housing 4 fixed to a left end surface of the bearing housing 2 by a fastening bolt 3, and a compressor fixed to a right end surface of the bearing housing 2 by a fastening bolt 5. And a housing 6.
  • the bearing housing 2 is formed with a bearing hole 2a that penetrates the supercharger C in the left-right direction.
  • a bearing 7 is provided in the bearing hole 2a.
  • the shaft 8 is rotatably supported by the bearing 7 in the bearing hole 2a.
  • a turbine impeller 9 (impeller) is integrally fixed to the left end (one end) of the shaft 8.
  • the turbine impeller 9 is rotatably accommodated in the turbine housing 4.
  • a compressor impeller 10 is integrally fixed to the right end (the other end) of the shaft 8.
  • the compressor impeller 10 is rotatably accommodated in the compressor housing 6.
  • An intake port 11 is formed in the compressor housing 6.
  • the intake port 11 opens to the right side of the supercharger C and is connected to an air cleaner (not shown). Further, the bearing housing 2 and the compressor housing 6 are connected by the fastening bolt 5. In this state, the facing surfaces of both the housings 2 and 6 form a diffuser flow path 12 that pressurizes air.
  • the diffuser flow path 12 is formed in an annular shape from the radially inner side to the outer side of the shaft 8 (compressor impeller 10). The diffuser flow path 12 communicates with the intake port 11 via the compressor impeller 10 on the radially inner side.
  • the compressor housing 6 is provided with a compressor scroll passage 13.
  • the compressor scroll passage 13 is located on the radially outer side of the shaft 8 with respect to the diffuser passage 12 and is formed in an annular shape.
  • the compressor scroll passage 13 communicates with an intake port (not shown) of the engine. Further, the compressor scroll passage 13 communicates with the diffuser passage 12.
  • a discharge port 14 is formed in the turbine housing 4.
  • the discharge port 14 opens on the left side of the supercharger C and is connected to an exhaust gas purification device (not shown).
  • the turbine housing 4 is provided with a flow path 15 and a turbine scroll flow path 16.
  • the turbine scroll passage 16 is located on the radially outer side of the shaft 8 (turbine impeller 9) with respect to the passage 15, and is formed in an annular shape.
  • the turbine scroll passage 16 communicates with a gas inlet (not shown) through which exhaust gas discharged from an engine exhaust manifold (not shown) is guided. Further, the turbine scroll flow path 16 communicates with the flow path 15.
  • the exhaust gas is guided from a gas inlet (not shown) to the turbine scroll flow path 16 and is guided to the discharge port 14 via the flow path 15 and the turbine impeller 9.
  • the exhaust gas rotates the turbine impeller 9.
  • the rotational force of the turbine impeller 9 is transmitted to the compressor impeller 10 via the shaft 8, and the air is boosted by the rotational force of the compressor impeller 10 and guided to the intake port of the engine.
  • the turbine shaft 17 includes a shaft 8 and a turbine impeller 9. One end of the shaft 8 (left end in FIG. 2A) is joined to the turbine impeller 9.
  • FIG. 2 (b) shows a cross-sectional structure including the axis of the shaft 8 at the broken line II (b) portion of FIG. 2 (a).
  • a press-fitting hole 9 b is formed in a surface (hereinafter referred to as an opposing surface) 9 a that faces the shaft 8 of the turbine impeller 9.
  • the press-fitting hole 9 b is recessed in the axial direction of the shaft 8.
  • the press-fitting hole 9b includes a large-diameter portion 18 that is continuous from the facing surface 9a, and a small-diameter portion 19 that is smaller in inner diameter than the large-diameter portion 18 and continues to the opposite side of the shaft 8 with respect to the large-diameter portion 18. Contains.
  • the bottom surface 9 c of the press-fitting hole 9 b (small diameter portion 19) has a planar shape perpendicular to the axial direction of the shaft 8.
  • the protrusion part 20 is formed in the surface (henceforth a opposing surface) 8a which opposes the turbine impeller 9 among the shafts 8.
  • the protruding portion 20 protrudes in the axial direction of the shaft 8.
  • the protrusion part 20 has the end surface 20a in the front end side.
  • the end surface 20 a is formed as a plane perpendicular to the axial direction of the shaft 8.
  • the axial length of the shaft 8 from the facing surface 8a to the end surface 20a (that is, the height of the protruding portion 20) is the axial length of the shaft 8 at the large diameter portion 18 (that is, the large diameter portion 18 and the small diameter). Shorter than the depth of the press-fitting hole 9 b up to the boundary of the portion 19.
  • FIG. 2C shows the shaft S and the turbine impeller T in the comparative example.
  • a cylindrical protrusion Sa is formed on the shaft S, and is inserted into an insertion hole Ta provided in the turbine impeller T.
  • the outer peripheral surface Sb of the protrusion Sa is opposed to the inner peripheral surface Tb of the insertion hole Ta.
  • the outer peripheral surface Sb of the protruding portion Sa is formed in parallel with the axial direction of the shaft S.
  • FIG. 2 (d) shows a broken line II (d) portion of FIG. 2 (b).
  • the contact portion 20 c is provided on the outer peripheral surface 20 b of the protruding portion 20.
  • the contact portion 20 c is formed in an annular shape over the circumferential direction of the shaft 8.
  • the outer peripheral surface 20 b of the protrusion 20 may have a tapered surface 20 f provided on the tip side of the protrusion 20.
  • the outer peripheral surface 20b is provided on the base end side of the projecting portion 20 (that is, between the contact portion 20c and the opposing surface 8a of the shaft 8), and extends in parallel with the axial direction of the shaft 8. You may have the surface 20e. Both the taper surface 20f and the cylindrical surface 20e guide the insertion of the shaft 8 into the turbine impeller 9, and suppress unnecessary inclination of the shaft 8 during press-fitting.
  • the abutting portion 20c is curved such that the axial center portion of the shaft 8 protrudes outward in the radial direction of the shaft 8 (upward in FIG. 2 (d)) from both ends thereof. That is, in the cross section including the shaft center of the shaft 8, the contact portion 20 c has a curved shape that swells outward in the radial direction of the shaft 8. Moreover, the outer diameter (maximum outer diameter) of the contact part 20c in the protrusion part 20 is slightly larger than the inner diameter of the inner peripheral surface 18a of the large diameter part 18 (press-fit hole 9b).
  • the configuration in which the outer peripheral surface 20b of the protruding portion 20 is formed with the contact portion 20c protruding outward in the radial direction of the shaft 8 is, in other words, the outer diameter of the outer peripheral surface 20b of the protruding portion 20 is set to the large diameter portion 18.
  • the groove 20d (see FIG. 2 (d)) that is recessed in the radial direction of the shaft 8 is formed on the outer peripheral surface 20b of the projecting portion 20 while being slightly larger than the inner diameter of the inner peripheral surface 18a.
  • the outer diameter of the groove 20 d of the protruding portion 20 is smaller than the inner diameter of the inner peripheral surface 18 a of the large diameter portion 18.
  • the protruding portion 20 of the shaft 8 When the protruding portion 20 of the shaft 8 is press-fitted into the press-fitting hole 9b, the protruding portion 20 comes into contact with the inner peripheral surface 18a of the large-diameter portion 18 (press-fit hole 9b). At this time, the length in the axial direction of the shaft 8 at the opposite portion of the outer peripheral surface 20b of the protruding portion 20 and the inner peripheral surface 18a of the press-fitting hole 9b is indicated by a length P in FIG. The length in the axial direction of the shaft 8 of the portion that contacts the inner peripheral surface 18a of the large diameter portion 18 in the contact portion 20c is shorter than this length P.
  • the area where the inner peripheral surface 18a of the large diameter portion 18 abuts on the outer peripheral surface 20b of the projecting portion 20 is suppressed to be small during press-fitting. Therefore, the deformation
  • the contact portion 20 c is formed in an annular shape in the circumferential direction of the shaft 8. Therefore, at the time of press-fitting, the contact portion 20c is in contact with the inner peripheral surface 18a of the large-diameter portion 18 over the entire circumference in the circumferential direction of the shaft 8, and from the inner peripheral surface 18a of the large-diameter portion 18 against pressure input. Receive reaction force. Accordingly, the relative positions of the shaft 8 and the turbine impeller 9 are difficult to shift in the radial direction of the shaft 8, and the positional shift of the shaft center is further suppressed.
  • the portion located on the center side of the contact portion 20c in the axial direction of the shaft 8 is curved so as to protrude outward in the radial direction. Therefore, the contact portion 20c and the inner peripheral surface 18a of the large diameter portion 18 are in line contact, and the contact area can be suppressed to be easily pressed. In addition, the contact portion between the contact portion 20c and the inner peripheral surface 18a of the large-diameter portion 18 can be made slippery to suppress the occurrence of galling.
  • the curved shape described here includes a spherical shape.
  • FIG. 3A shows a first modification.
  • the outer peripheral surface 30b of the protrusion 30 has a plurality of contact portions 30c.
  • Each contact portion 30 c is in contact with the inner peripheral surface 18 a of the large diameter portion 18. Note that the number of contact portions 30c is not limited to two as shown in FIG.
  • FIG. 3B shows a second modification.
  • the outer peripheral surface 40b of the protrusion 40 has a contact part 40c.
  • the contact portion 40 c is curved in the circumferential direction of the shaft 8, but extends parallel to the axial direction of the shaft 8.
  • the cross-sectional shape of the contact portion 40c including the axis of the shaft 8 is not limited to the curved shape such as the contact portions 20c and 30c, and may be a rectangle.
  • FIG. 3C shows a third modification.
  • the outer peripheral surface 50 b of the protrusion 50 extends parallel to the axial direction of the shaft 8.
  • a contact portion 58 b is formed on the inner peripheral surface 58 a of the large diameter portion 58.
  • the contact portion 58 b protrudes inward in the radial direction of the shaft 8 and contacts the outer peripheral surface 50 b of the protrusion 50.
  • the contact part 58b may be provided in the large diameter part 58.
  • FIG. 3D shows a fourth modification.
  • the shaft 68 has a surface (hereinafter referred to as a facing surface) 68 a that faces the turbine impeller 69.
  • a press-fitting hole 68b is formed in the facing surface 68a.
  • the press-fitting hole 68 b is recessed in the axial direction of the shaft 68.
  • the press-fit hole 68b includes a small-diameter portion 78 located on the bottom surface side of the press-fit hole 68b and a large-diameter portion 79 located on the facing surface 68a side.
  • the turbine impeller 69 has a surface (hereinafter referred to as an opposing surface) 69 a that faces the shaft 68.
  • a protrusion 80 is provided on the facing surface 69a. The protrusion 80 protrudes in the axial direction of the shaft 68.
  • FIG. 3 (e) shows a broken line III (e) portion of FIG. 3 (d).
  • a contact portion 80 c is formed on the outer peripheral surface 80 b of the protruding portion 80.
  • the contact portion 80c contacts the inner peripheral surface 79a of the large diameter portion 79 of the press-fit hole 68b.
  • the outer peripheral surface 80 b of the protruding portion 80 may have a tapered surface 80 f provided on the distal end side of the protruding portion 80.
  • the outer peripheral surface 80b is provided on the base end side of the projecting portion 80 (that is, between the contact portion 80c and the opposed surface 69a of the turbine impeller 69), and extends parallel to the axial direction of the turbine impeller 69.
  • a cylindrical surface 80e may be provided. Both the tapered surface 80f and the cylindrical surface 80e guide the insertion of the shaft 68 into the turbine impeller 69, and suppress unnecessary inclination of the shaft 68 during press-fitting.
  • the press-fitting hole 68b may be provided in the shaft 68
  • the protrusion 80 may be provided in the turbine impeller 69
  • the contact portion 80c may be formed on the outer peripheral surface 80b of the protrusion 80.
  • the outer peripheral surface 80b of the projecting portion 80 is formed parallel to the axial direction of the shaft 68, and the inner peripheral surface 79a of the large diameter portion 79 is in contact with the outer peripheral surface 80b of the projecting portion 80. A part may be provided.
  • the portion of the contact portion that contacts the outer peripheral surface 50b of the protruding portion 50 or the inner peripheral surfaces 18a and 79a of the large diameter portions 18 and 79 is the protruding portion.
  • the axial lengths of the shafts 8 and 68 are shorter than the opposing portions of the outer peripheral surfaces of the large-diameter portions 18 and 79 and the inner peripheral surfaces 18a and 79a. For this reason, as in the above-described embodiment, press-fitting is possible, displacement of the shaft centers of the shafts 8 and 68 and the turbine impellers 9 and 69 is suppressed, and balance adjustment of the turbine shaft 17 can be easily performed. .
  • the contact portions 30c, 40c, 58b, and 80c are annularly formed in the circumferential direction of the shafts 8 and 68 as in the above embodiment, the shaft centers of the shafts 8 and 68 and the turbine impellers 9 and 69 are formed. The positional deviation of the axis is further suppressed. Further, as in the above embodiment, the contact portions 30c, 58b, 80c are curved so that the axial center side of the shafts 8, 68 protrudes outward in the radial direction of the shafts 8, 68. This makes it easy to control the occurrence of galling.
  • the contact portion is formed in an annular shape over the circumferential direction of the shafts 8 and 68 .
  • the contact portion is formed in the circumferential direction of the shafts 8 and 68. While extending, there may be a notch partially, and the some contact part may be scattered in the circumferential direction of the shafts 8 and 68.
  • the present invention can be used for a turbine shaft and a supercharger in which an impeller is joined to one end of a shaft.

Landscapes

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

Abstract

L'invention concerne un arbre de turbine (17) comprenant les éléments suivants : un arbre (8) ; une roue de turbine (9) fournie à un côté d'extrémité de l'arbre ; une section faisant saillie (20) fournie soit à l'arbre, soit à la roue de turbine ; un trou d'ajustement par pression (9b) fourni à l'autre élément parmi l'arbre et la roue de turbine ; une section de butée (20c) qui est fournie soit à une surface périphérique externe (20b) de la section faisant saillie, soit à une surface périphérique interne (18a) du trou d'ajustement par pression et qui fait saillie vers l'extérieur dans la direction radiale de l'arbre et vient buter contre l'autre hors de la surface périphérique externe de la section faisant saillie ou la surface périphérique interne du trou d'ajustement par pression ; et une section de joint (21) au niveau de laquelle l'arbre et la roue de turbine sont raccordés, la section faisant saillie étant ajustée par pression dans le trou d'ajustement par pression. Le site au niveau duquel la section de butée vient buter contre la surface périphérique externe de la section faisant saillie ou la surface périphérique interne du trou d'ajustement par pression présente une longueur inférieure dans la direction axiale de l'arbre à celle d'un site d'opposition entre la surface périphérique externe de la section faisant saillie et la surface périphérique interne du trou d'ajustement par pression.
PCT/JP2014/067377 2013-07-05 2014-06-30 Arbre de turbine et compresseur WO2015002141A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013141814A JP2016176332A (ja) 2013-07-05 2013-07-05 タービン軸および過給機
JP2013-141814 2013-07-05

Publications (1)

Publication Number Publication Date
WO2015002141A1 true WO2015002141A1 (fr) 2015-01-08

Family

ID=52143716

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/067377 WO2015002141A1 (fr) 2013-07-05 2014-06-30 Arbre de turbine et compresseur

Country Status (2)

Country Link
JP (1) JP2016176332A (fr)
WO (1) WO2015002141A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106285787A (zh) * 2016-08-29 2017-01-04 奕森科技（上海）有限公司 一种车用涡轮增压器涡轮与转轴的连接结构
US10753205B2 (en) 2016-04-14 2020-08-25 Ihi Corporation Turbine shaft and turbocharger

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018174104A1 (fr) * 2017-03-22 2018-09-27 株式会社Ihi Corps rotatif et compresseur de suralimentation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60132002A (ja) * 1983-12-20 1985-07-13 Toyota Motor Corp タ−ボチャ−ジャ用タ−ビン組立体
JPS60114201U (ja) * 1984-01-12 1985-08-02 トヨタ自動車株式会社 セラミツク製タ−ビンホイ−ルを備えた排気タ−ビン式過給機
JPS6210202U (fr) * 1985-07-05 1987-01-22
JP2006037952A (ja) * 2004-07-28 2006-02-09 Borgwarner Inc チタン・アルミナイド製羽根車及びそれへの鋼製シャフト接続

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60132002A (ja) * 1983-12-20 1985-07-13 Toyota Motor Corp タ−ボチャ−ジャ用タ−ビン組立体
JPS60114201U (ja) * 1984-01-12 1985-08-02 トヨタ自動車株式会社 セラミツク製タ−ビンホイ−ルを備えた排気タ−ビン式過給機
JPS6210202U (fr) * 1985-07-05 1987-01-22
JP2006037952A (ja) * 2004-07-28 2006-02-09 Borgwarner Inc チタン・アルミナイド製羽根車及びそれへの鋼製シャフト接続

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10753205B2 (en) 2016-04-14 2020-08-25 Ihi Corporation Turbine shaft and turbocharger
CN106285787A (zh) * 2016-08-29 2017-01-04 奕森科技（上海）有限公司 一种车用涡轮增压器涡轮与转轴的连接结构

Also Published As

Publication number Publication date
JP2016176332A (ja) 2016-10-06

Similar Documents

Publication Publication Date Title
WO2014003057A1 (fr) Compresseur à suralimentation
US10024361B2 (en) Bearing structure and turbocharger
WO2012077422A1 (fr) Machine tournante
US10641125B2 (en) Nozzle drive mechanism, turbocharger, and variable-capacity turbocharger
JP6206592B2 (ja) 軸受構造、および、過給機
WO2015002141A1 (fr) Arbre de turbine et compresseur
US10704593B2 (en) Bearing structure and turbocharger
JP2013002466A (ja) スラスト軸受構造及び過給機
JP5365411B2 (ja) ノズルベーン及びターボチャージャ
WO2016129039A1 (fr) Compresseur de suralimentation
WO2017203917A1 (fr) Corps rotatif et compresseur de suralimentation
JP2009197772A (ja) 排気ターボ過給機のスラスト軸受装置
WO2010079767A1 (fr) Structure d'amortissement et machine rotative
WO2017073229A1 (fr) Mécanisme d'entraînement de tuyère et compresseur de suralimentation
US20190107052A1 (en) Turbocharger
US10753367B2 (en) Mounting structure and turbocharger
US20190376524A1 (en) Rotating body, turbocharger, and rotating body manufacturing method
JP2010133530A (ja) 軸受構造及び該軸受構造を備えた過給機
JP2016223404A (ja) 過給機用のコンプレッサハウジング及びその製造方法
JP7097505B2 (ja) ノズル装置及び排気ターボ過給機
JP2016011714A (ja) スラスト軸受、および、過給機
WO2021152742A1 (fr) Dispositif compresseur et turbocompresseur de suralimentation
WO2018174104A1 (fr) Corps rotatif et compresseur de suralimentation
JP7222289B2 (ja) 軸部材の結合構造及び流体機械
CN108699964B (zh) 涡轮机轴以及增压器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14820405

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14820405

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP