WO2015045541A1 - Compresseur et compresseur à suralimentation - Google Patents

Compresseur et compresseur à suralimentation Download PDF

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Publication number
WO2015045541A1
WO2015045541A1 PCT/JP2014/067415 JP2014067415W WO2015045541A1 WO 2015045541 A1 WO2015045541 A1 WO 2015045541A1 JP 2014067415 W JP2014067415 W JP 2014067415W WO 2015045541 A1 WO2015045541 A1 WO 2015045541A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
scroll chamber
bolt
chamber frame
impeller
Prior art date
Application number
PCT/JP2014/067415
Other languages
English (en)
Japanese (ja)
Inventor
泰治 手塚
中村　敏夫
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to EP16205770.7A priority Critical patent/EP3173630B1/fr
Priority to CN201480041368.0A priority patent/CN105531460B/zh
Priority to EP14849505.4A priority patent/EP3009633B1/fr
Priority to KR1020167002207A priority patent/KR101799707B1/ko
Publication of WO2015045541A1 publication Critical patent/WO2015045541A1/fr

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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
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • 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
    • F02B39/16—Other safety measures for, or other control of, pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/422—Discharge tongues
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • 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
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/52—Outlet
    • 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
    • F05D2260/31—Retaining bolts or nuts
    • 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
    • F05D2260/39—Retaining components in desired mutual position by a V-shaped ring to join the flanges of two cylindrical sections, e.g. casing sections of a turbocharger

Definitions

  • the present invention relates to a compressor and a supercharger used for an internal combustion engine.
  • an impeller for compressing air As a supercharger for compressing air supplied to an internal combustion engine, an impeller for compressing air, an air guide cylinder for containing the impeller and guiding air, and an air guide cylinder are provided adjacent to the air guide cylinder. And a compressor including a scroll chamber frame that forms a scroll chamber for guiding the air that has passed through the air guide cylinder to the outside.
  • a compressor including a scroll chamber frame that forms a scroll chamber for guiding the air that has passed through the air guide cylinder to the outside.
  • an impact absorbing partition wall is provided between the diffuser of the compressor and the head tank.
  • Patent Document 1 describes a configuration for preventing the lubricant head tank from being damaged when a part of the impeller is scattered as described above, but the bolt is caused by the scattering of the impeller. Is not disclosed at all about the problem of breakage and the solution.
  • An object of some embodiments of the present invention is to effectively suppress breakage of bolts that fasten a frame adjacent to a scroll chamber frame and the scroll chamber frame, and realize a stable coupling state of these frames. It is to provide a compressor and a supercharger capable of
  • a compressor includes: (1) an impeller for compressing air; An air guide tube for accommodating the impeller and guiding the air; A scroll chamber frame provided adjacent to the air guide tube and forming a scroll chamber for guiding the air that has passed through the air guide tube to the outside; A first frame provided adjacent to the scroll chamber frame; A first bolt that fastens the scroll chamber frame and the first frame; A spacer provided between the head of the first bolt and the scroll chamber frame; Have
  • the impeller breaks in the compressor, the impeller fragments may scatter toward the outside in the radial direction of the impeller, and may collide with the air guide tube or the surrounding frame.
  • impeller fragments collide with the air guide cylinder or the surrounding frame tensile stress is generated in the first bolt for fastening the scroll chamber frame adjacent to the air guide cylinder and the first frame adjacent to the scroll chamber frame, The first bolt could break.
  • the shaft is compared with the case where no spacer is provided.
  • the scroll chamber frame and the first frame can be fastened using a first bolt having a long portion (length under the neck). Therefore, compared with the case where a spacer is not provided, when the axial load is applied to the first bolt, the amount of extension that can be extended without breaking the first bolt can be increased.
  • the compressor described in (1) in order to manufacture the compressor described in (1) above, it is only necessary to add a spacer and replace the first bolt with respect to an existing compressor without procuring all the new components. . That is, the compressor described in (1) also has an advantage from the viewpoint of ease of production.
  • the “first frame” in the compressor described in (1) is used to include at least the silencer frame and the bearing frame described in the embodiment for carrying out the invention.
  • the head of the first bolt means a nut used for the stud bolt.
  • the spacer is formed in a sleeve shape so as to surround the shaft portion of the first bolt, The inner diameter of the spacer is smaller than the head diameter of the first bolt.
  • the head of the first bolt can be uniformly supported by the sleeve-like spacer provided so as to surround the shaft portion of the first bolt, the impeller as described above. Even if the tensile stress resulting from the breaking of the first bolt is generated, the breaking of the first bolt can be effectively suppressed. Therefore, a stable coupling state between the scroll chamber frame and the first frame adjacent to the scroll chamber can be realized.
  • the dimension of the spacer in the axial direction of the first bolt is larger than the dimension of the spacer in the radial direction of the first bolt.
  • the first bolt is subjected to a tensile load in the axial direction. It is possible to easily increase the amount of extension that can be extended without breaking one bolt.
  • (4) further comprising a silencer for reducing the sound generated by the compressor;
  • the first frame is a frame of the silencer.
  • the compressor described in (4) even if the tensile stress resulting from the breakage of the impeller is generated on the first bolt that fastens the frame of the silencer and the scroll chamber frame, the first bolt Can be effectively suppressed. Therefore, it is possible to effectively prevent the silencer from dropping from the compressor.
  • a second frame disposed adjacent to the scroll chamber frame; A second bolt for fastening the scroll chamber frame and the second frame; A clamp configured to sandwich the scroll chamber frame and the second frame.
  • the impeller breaks in the compressor, the impeller fragments may scatter toward the outside in the radial direction of the impeller, and may collide with the air guide cylinder or the scroll chamber frame.
  • a tensile stress is generated in the second bolt for fastening the second frame and the scroll chamber frame adjacent to the scroll chamber frame, and the second bolt There was a possibility of breaking.
  • the compressor as described in said (5) it is suppressed that a tensile stress arises in a 2nd volt
  • the “second frame” in the compressor described in (5) above is used to include at least the silencer frame and the bearing frame described in the embodiment for carrying out the invention.
  • the second frame is a bearing frame provided with a bearing portion that pivotally supports a rotating shaft of the impeller.
  • the scroll chamber frame is A scroll chamber forming portion for forming the scroll chamber; A flange portion extending radially outward of the impeller from the scroll chamber forming portion to couple the scroll chamber frame and the bearing frame; Have The second bolt fastens the flange portion and the bearing frame; The clamp is configured to sandwich the flange portion and the bearing frame.
  • the clamp includes a push bolt that applies a pressing force to the bearing frame from a side opposite to the flange portion of the scroll chamber frame.
  • a supercharger according to some embodiments of the present invention includes the compressor according to any one of (1) to (8).
  • breakage of the first bolt can be effectively suppressed. That is, a stable coupling state between the scroll chamber frame and the first frame can be realized.
  • FIG. 1 is a schematic diagram illustrating an overall configuration of an internal combustion engine system according to some embodiments. It is a schematic sectional drawing of a part of the supercharger which concerns on some embodiment. It is a schematic sectional drawing of the periphery of the volt
  • FIG. 1 is a schematic diagram illustrating an overall configuration of an internal combustion engine system 100 according to some embodiments.
  • An internal combustion engine system 100 shown in FIG. 1 includes an internal combustion engine 2, a supercharger 4 that pressurizes intake air to the internal combustion engine 2, and a generator 8 that is driven by a turbine 6 that the supercharger 4 has.
  • a supercharger 4 shown in FIG. 1 is connected to a centrifugal compressor (compressor) 10 that pressurizes intake air to the internal combustion engine 2, and the compressor 10 via a rotary shaft 12 and is driven by exhaust gas from the internal combustion engine 2.
  • a turbine 6 and a silencer 13 for reducing sound generated by the compressor 10 are provided.
  • the turbocharger 4 shown in FIG. 1 uses an exhaust turbine type supercharger (so-called turbocharger) that drives the compressor 10 by the turbine 6 driven by the exhaust gas of the internal combustion engine 2 as described above.
  • turbocharger an exhaust turbine type supercharger
  • a mechanical supercharger that drives the compressor 10 by power extracted from the output shaft of the internal combustion engine 2 via a belt or the like may be used.
  • the internal combustion engine 2 for example, a diesel engine or a gasoline engine can be selected as appropriate.
  • FIG. 2 is a schematic cross-sectional view of a part of the supercharger 4 according to some embodiments.
  • the compressor 10 shown in FIG. 2 includes an impeller 14 for compressing air, an air guide cylinder 16 for housing the impeller 14 and guiding air, a scroll chamber frame 20, and a bearing frame 40.
  • the impeller 14 includes a hub 15 and a plurality of wings 17 provided around the hub 15.
  • the scroll chamber frame 20 is provided adjacent to the air guide tube 16 and has a scroll chamber forming portion 19 that forms a scroll chamber 18 for guiding the air that has passed through the air guide tube 16 to the outside.
  • the bearing frame 40 is provided with a bearing portion 44 that supports the rotating shaft 12 of the impeller 14.
  • the silencer 13 includes a silencer frame 22 provided adjacent to the scroll chamber frame 20.
  • a flange portion 23 of the scroll chamber frame 20 and a flange portion 24 of the silencer frame 22 are fastened by bolts 25.
  • a spacer 28 (see FIG. 3) is provided between the head 26 of the bolt 25 and the scroll chamber frame 20.
  • the bearing frame 40 and the scroll chamber frame 20 are fastened to the flange portion 46 of the bearing frame 40 and the flange portion 29 of the scroll chamber frame 20 by bolts 48.
  • the entrance portion 32 of the air guide tube 16 moves in the direction of arrow S (see FIG. 3) toward the silencer 13 due to the impact, and the silencer frame. It collides with the exit part 43 of 22.
  • the flange portion 24 of the silencer frame 22 tends to move away from the flange portion 23 of the scroll chamber frame 20, and tensile stress is generated in the bolt 25.
  • the spacer 28 is provided between the head portion 26 of the bolt 25 and the scroll chamber frame 20.
  • the scroll chamber frame 20 and the silencer frame 22 are fastened by using the bolt 25 having a long shaft portion 31 (see FIG. 3) (the length under the neck). Can do. Therefore, as compared with the case where the spacer 28 is not provided, when the axial load is applied to the bolt 25, the extension amount that the bolt 25 can extend without breaking is increased.
  • the spacer 28 shown in FIG. 3 is formed in a sleeve shape so as to surround the shaft portion 31 of the bolt 25, and the inner diameter d 1 of the spacer 28 is smaller than the diameter d 2 of the head portion 26 of the bolt 25. . Therefore, since the head portion 26 of the bolt 25 can be uniformly supported by the spacer 28, even if the tensile stress resulting from the breakage of the impeller 14 is generated in the bolt 25 as described above, the breakage of the bolt 25 is effectively suppressed. be able to.
  • the dimension d 3 of the spacer 28 in the axial direction of the bolt 25 shown in FIG. 3 is larger than the dimension d 4 of the spacer 28 in the radial direction of the bolt 25.
  • FIG. 3 an example in which tensile stress is generated due to the breakage of the impeller 14 in the bolt 25 that fastens the scroll chamber frame 20 and the silencer frame 22 is described. 48, a tensile stress may be generated due to the breakage of the impeller 14.
  • the spacer 48 described with reference to FIG. 3 is provided between the head 52 of the bolt 48 and the scroll chamber frame 20.
  • the shaft portion 53 may be longer than that shown in FIG.
  • the flange portion 29 of the scroll chamber frame 20 extends from the scroll chamber forming portion 19 toward the radially outer side of the impeller 14, the flange portion 29 and the scroll chamber forming portion 19 are provided. It is difficult to secure a space between the bolt 48 and it may be difficult to provide a spacer between the head 52 of the bolt 48 and the scroll chamber frame 20 in order to prevent the bolt 48 from being broken.
  • FIG. 5 is a view of the flange portion 29 of the scroll chamber frame 20 and the flange portion 46 of the bearing frame 40 viewed from the direction P in FIG. 2, and shows the arrangement of the bolts 48 and the clamps 54.
  • FIG. 6 is a schematic cross-sectional view for explaining the structure of the clamp 54.
  • the spacer described above is interposed between the flange portion 29 and the scroll chamber forming portion 19. Even in a configuration in which it is difficult to secure a sufficient space for providing the bolt 48, it is possible to suppress the tensile stress from being generated in the bolt 48 and to effectively prevent the bolt 48 from breaking. Therefore, the scroll chamber frame 20 and the bearing frame 40 can be stably coupled.
  • the clamp 54 shown in FIGS. 5 and 6 has a push bolt 56 that applies a pressing force to the bearing frame 40 from the side opposite to the flange portion 29 of the scroll chamber frame 20.
  • a push bolt that applies a pressing force to the flange portion 29 of the scroll chamber frame 20 from the side opposite to the bearing frame 40 may be used.
  • the clamp 54 configured to sandwich the scroll chamber frame 20 and the bearing frame 40 is illustrated.
  • the scroll chamber frame 20 and the silencer frame 22 are sandwiched.
  • a configured clamp may be used. Thereby, the scroll chamber frame 20 and the silencer frame 22 can be stably coupled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Supercharger (AREA)

Abstract

L'objectif de la présente invention est de fournir un compresseur et un compresseur à suralimentation, le compresseur et le compresseur à suralimentation étant conçus pour prévenir efficacement la rupture de boulons destinés à fixer les uns aux autres un châssis de chambre à volute et les châssis qui sont adjacents au châssis de chambre à volute, ce qui permet aux châssis d'être reliés de façon constante les uns aux autres. Un compresseur (10) comporte : une turbine (14) pour comprimer l'air ; un cylindre de guidage d'air (16) destiné à loger la turbine (14) et à guider l'air ; un châssis de chambre à volute (20) ménagé à côté du cylindre de guidage d'air (16) et formant une chambre à volute (18) pour guider l'air, qui a traversé le cylindre de guidage d'air (16), vers l'extérieur ; des châssis (22, 40) ménagés à côté du châssis de chambre à volute (20) ; des boulons (25, 48) pour la fixation du châssis de chambre à volute (20) et des châssis (22, 40) les uns aux autres ; et des entretoises (28) ménagées entre les têtes (26, 52) des boulons (25, 48) et le châssis de chambre à volute (20).
PCT/JP2014/067415 2013-09-25 2014-06-30 Compresseur et compresseur à suralimentation WO2015045541A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP16205770.7A EP3173630B1 (fr) 2013-09-25 2014-06-30 Compresseur et turbocompresseur
CN201480041368.0A CN105531460B (zh) 2013-09-25 2014-06-30 压缩机及增压器
EP14849505.4A EP3009633B1 (fr) 2013-09-25 2014-06-30 Compresseur et compresseur à suralimentation
KR1020167002207A KR101799707B1 (ko) 2013-09-25 2014-06-30 압축기 및 과급기

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-198638 2013-09-25
JP2013198638A JP6097188B2 (ja) 2013-09-25 2013-09-25 過給機

Publications (1)

Publication Number Publication Date
WO2015045541A1 true WO2015045541A1 (fr) 2015-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/067415 WO2015045541A1 (fr) 2013-09-25 2014-06-30 Compresseur et compresseur à suralimentation

Country Status (5)

Country Link
EP (2) EP3173630B1 (fr)
JP (1) JP6097188B2 (fr)
KR (1) KR101799707B1 (fr)
CN (1) CN107701298B (fr)
WO (1) WO2015045541A1 (fr)

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FR3053384B1 (fr) * 2016-06-30 2018-07-27 Safran Aircraft Engines Ensemble de fixation d'un distributeur a un element de structure d'une turbomachine
JP6517386B2 (ja) * 2018-02-13 2019-05-22 三菱重工業株式会社 遠心圧縮機および過給機
JP2022057340A (ja) * 2020-09-30 2022-04-11 三菱重工マリンマシナリ株式会社 回転機械および回転機械の補修方法

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Also Published As

Publication number Publication date
EP3009633A4 (fr) 2016-09-14
JP2015063956A (ja) 2015-04-09
CN107701298A (zh) 2018-02-16
CN107701298B (zh) 2020-03-27
EP3009633A1 (fr) 2016-04-20
KR20160023893A (ko) 2016-03-03
JP6097188B2 (ja) 2017-03-15
EP3173630B1 (fr) 2018-08-15
KR101799707B1 (ko) 2017-11-20
EP3009633B1 (fr) 2020-02-05
EP3173630A1 (fr) 2017-05-31
CN105531460A (zh) 2016-04-27

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