WO2020255306A1 - 過給機および過給機における配管の連結方法 - Google Patents

過給機および過給機における配管の連結方法 Download PDF

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Publication number
WO2020255306A1
WO2020255306A1 PCT/JP2019/024342 JP2019024342W WO2020255306A1 WO 2020255306 A1 WO2020255306 A1 WO 2020255306A1 JP 2019024342 W JP2019024342 W JP 2019024342W WO 2020255306 A1 WO2020255306 A1 WO 2020255306A1
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WO
WIPO (PCT)
Prior art keywords
housing
pipe
cooling water
mounting
mounting flange
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.)
Ceased
Application number
PCT/JP2019/024342
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
斉顕 清家
宗祐 入江
誠一 岩波
泰 松井
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.)
Mitsubishi Heavy Industries Engine and Turbocharger Ltd
Original Assignee
Mitsubishi Heavy Industries Engine and Turbocharger Ltd
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 Mitsubishi Heavy Industries Engine and Turbocharger Ltd filed Critical Mitsubishi Heavy Industries Engine and Turbocharger Ltd
Priority to US17/606,860 priority Critical patent/US12060892B2/en
Priority to CN201980095875.5A priority patent/CN113785110B/zh
Priority to DE112019007479.2T priority patent/DE112019007479B4/de
Priority to JP2021528544A priority patent/JP7213344B2/ja
Priority to PCT/JP2019/024342 priority patent/WO2020255306A1/ja
Publication of WO2020255306A1 publication Critical patent/WO2020255306A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F04D29/06—Lubrication
    • F04D29/063—Lubrication specially adapted for elastic fluid pumps
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • 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
    • F04D29/056—Bearings
    • 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
    • F04D29/056—Bearings
    • F04D29/057—Bearings hydrostatic; hydrodynamic
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to a supercharger that increases the pressure of air taken in by an internal combustion engine, and a method of connecting pipes in the supercharger.
  • an exhaust turbine supercharger has a compressor, a turbine, and a housing.
  • the rotating shaft is rotatably supported in the housing, the compressor wheel is connected to one end in the axial direction, and the turbine wheel is connected to the other end. Then, the exhaust gas is supplied into the housing, and the rotation of the turbine wheel causes the rotation shaft to rotate, thereby rotating the compressor wheel.
  • the compressor wheel pressurizes the air taken in from the outside to form compressed air, and supplies this compressed air to the internal combustion engine.
  • the rotating shaft is rotatably supported by a bearing in the housing, and lubricating oil is supplied to the bearing. Therefore, the housing is provided with a lubricating oil supply flow path for supplying lubricating oil to the bearing from the outside, and is provided with a lubricating oil discharge flow path for discharging the lubricating oil supplied to the bearing to the outside. Then, the lubricating oil supply pipe is connected to the lubricating oil supply flow path, and the lubricating oil discharge pipe is connected to the lubricating oil discharge flow path.
  • a cooling water flow path for circulating cooling water is provided in the housing. Then, the cooling water supply pipe is connected to the inlet hole of the cooling water flow path, and the cooling water discharge pipe is connected to the outlet hole. Examples of such a turbocharger include those described in the following patent documents.
  • the piping for lubricating oil and the piping for cooling water are provided with flanges at the ends, and by fixing this flange to the housing, the piping is connected to the housing.
  • the turbocharger described above has four pipes for lubricating oil and cooling water.
  • the present invention solves the above-mentioned problems, and provides a supercharger and a method of connecting pipes in a supercharger, which can integrate a plurality of pipes and connect them to a housing and suppress an increase in cost.
  • the purpose is to provide.
  • the supercharger of the present invention includes a housing, a rotating shaft rotatably supported inside the housing, and a compressor wheel provided at one end of the rotating shaft in the axial direction.
  • a first pipe having a first mounting flange at the end and being connected to the housing, and a second pipe having a second mounting flange at the end and being connected to the housing are provided.
  • the first pipe is inserted into a first mounting hole whose end is provided in the housing, and the second pipe is inserted into a second mounting hole whose end is provided in the housing and the second mounting.
  • the flange is fixed to the housing by pressing the first mounting flange in the insertion direction.
  • the end of the first pipe is inserted into the first mounting hole of the housing, and the end of the second pipe is inserted into the second mounting hole of the housing, so that the first pipe and the second pipe are connected to the housing.
  • the second mounting flange presses the first mounting flange in the insertion direction and is fixed to the housing. That is, the second pipe is fixed to the housing via the second mounting flange, and the first pipe is fixed to the housing via the second mounting flange of the second pipe fixed to the housing. Therefore, a plurality of pipes can be integrated and connected to the housing, and the increase in cost can be suppressed by suppressing the increase in size of the housing and the occurrence of processing work on the mounting surface.
  • the rotating shaft is rotatably supported by the housing via a bearing, and at least one of the first mounting hole and the second mounting hole is lubricated so as to communicate with the bearing. It is characterized by being an oil supply hole or a lubricating oil discharge hole.
  • the piping that supplies or discharges the lubricating oil to the bearing that rotatably supports the rotating shaft can be integrated and connected to the housing.
  • the housing is provided with a refrigerant flow path around the rotating shaft, and at least one of the first mounting hole and the second mounting hole communicates with the refrigerant flow path. It is characterized by being a refrigerant supply hole or a refrigerant discharge hole.
  • the piping that supplies or discharges the refrigerant to the refrigerant flow path that cools the housing can be integrated and connected to the housing.
  • the rotating shaft is rotatably supported by the housing via a bearing, and either one of the first mounting hole and the second mounting hole is a lubricating oil communicating with the bearing.
  • a supply hole or a lubricating oil discharge hole the housing is provided with a refrigerant flow path around the rotating shaft, and either the first mounting hole or the second mounting hole communicates with the refrigerant flow path. It is characterized in that it is a refrigerant supply hole or a refrigerant discharge hole.
  • the piping that supplies or discharges the lubricating oil to the bearing that rotatably supports the rotating shaft and the piping that supplies or discharges the refrigerant to the refrigerant flow path that cools the housing should be integrated and connected to the housing. Can be done.
  • the first mounting flange and the second mounting flange are overlapped in the thickness direction of the first mounting flange and the second mounting flange, and the second mounting flange is used. It is characterized in that only is fixed to the housing.
  • the second pipe can be connected to the housing, and the second mounting flange holds down the first mounting flange to connect the first pipe to the housing. It is possible to simplify the connection of a plurality of pipes to the housing.
  • the supercharger of the present invention is characterized in that a detent mechanism for preventing the rotation of the first pipe with respect to the housing is provided.
  • the first pipe can be firmly connected to the housing by preventing the first pipe from coming off by the second mounting flange of the second pipe and preventing the rotation by the detent mechanism.
  • the supercharger of the present invention is characterized in that, as the detent mechanism, a contact portion that contacts the second pipe and prevents the rotation of the first pipe is provided on the first mounting flange.
  • the contact portion on the first mounting flange as the detent mechanism, the contact portion of the first mounting flange comes into contact with the second pipe to prevent the rotation of the first pipe. 1.
  • the rotation of the first pipe can be easily stopped without changing the structure of the pipe.
  • the supercharger of the present invention is characterized in that, as the detent mechanism, the first pipe is provided with a contact portion that contacts the second mounting flange and prevents the rotation of the first pipe.
  • the contact portion on the first pipe as a detent mechanism, the contact portion of the first pipe comes into contact with the second mounting flange to prevent the rotation of the first pipe, and the first mounting The rotation of the first pipe can be easily stopped without changing the structure of the flange.
  • the supercharger of the present invention is characterized in that, as the detent mechanism, a contact portion that contacts the housing and prevents the rotation of the first pipe is provided on the first mounting flange.
  • the contact portion of the first mounting flange comes into contact with the housing to prevent the rotation of the first pipe, and the first pipe The rotation of the first pipe can be easily stopped without changing the structure of the first pipe.
  • the first mounting flange and the second mounting flange are overlapped in the thickness direction of the first mounting flange and the second mounting flange, and the first mounting flange is used. And the second mounting flange are both fixed to the housing.
  • the supercharger of the present invention is characterized in that the first pipe and the second pipe are fixed to the housing in parallel.
  • the first mounting surface of the housing in which the first mounting hole is formed and the second mounting surface of the housing in which the second mounting hole is formed are continuous flat surfaces. It is characterized by.
  • the mounting surface can be easily machined and the workability can be improved.
  • the first mounting surface of the housing in which the first mounting hole is formed and the second mounting surface of the housing in which the second mounting hole is formed are flat surfaces having a step.
  • the first mounting flange comes into contact with the first mounting surface
  • the second mounting flange comes into contact with the second mounting surface.
  • One pipe can be connected to the housing, and a plurality of pipes can be integrated and connected to the housing regardless of the shape of the housing.
  • the supercharger of the present invention is characterized in that a plurality of the first pipes are provided, and a common first mounting flange is provided at the ends of the plurality of the first pipes.
  • the plurality of first pipes can be connected to the housing simply by fixing the second mounting flange to the housing.
  • the structure can be simplified and the workability can be improved.
  • the supercharger of the present invention is characterized in that a plurality of the second pipes are provided, and a common second mounting flange is provided at the ends of the plurality of the second pipes.
  • a third pipe having a third mounting flange at the end and being connected to the housing is provided, and the first mounting flange and the second mounting flange are the first.
  • the 1 mounting flange and the 2nd mounting flange are overlapped in the thickness direction, and the 2nd mounting flange and the 3rd mounting flange are the thicknesses of the 2nd mounting flange and the 3rd mounting flange. Stacked in the direction, the second mounting flange is fixed to the housing and presses the first mounting flange and the third mounting flange in the insertion direction, and the first piping and the first pipe to the housing.
  • a detent mechanism for blocking the rotation of the pipe is provided.
  • three or more pipes can be integrated and connected to the housing, and the increase in cost can be suppressed by suppressing the increase in size of the housing and the occurrence of processing work on the mounting surface.
  • the supercharger of the present invention is characterized in that a turbine wheel is provided at the other end of the rotating shaft in the axial direction.
  • a plurality of pipes can be integrated and connected to the housing, and the increase in cost can be suppressed by suppressing the increase in size of the housing and the occurrence of processing work on the mounting surface. Can be done.
  • the supercharger of the present invention is characterized in that the housing is provided with a motor for driving the rotating shaft.
  • a plurality of pipes can be integrated and connected to the housing, and the increase in cost can be suppressed by suppressing the increase in size of the housing and the occurrence of processing work on the mounting surface. it can.
  • the method of connecting the pipes in the supercharger of the present invention includes a housing, a rotating shaft rotatably supported inside the housing, a compressor wheel provided at one end of the rotating shaft in the axial direction, and an end portion.
  • a supercharger including a first pipe having a first mounting flange and being connected to the housing, and a second pipe having a second mounting flange at an end and being connected to the housing.
  • a plurality of pipes can be integrated and connected to the housing, and the increase in cost can be suppressed by suppressing the increase in size of the housing and the occurrence of processing work on the mounting surface.
  • a plurality of pipes can be integrated and connected to the housing, and an increase in cost can be suppressed.
  • FIG. 1 is a cross-sectional view showing an exhaust turbine turbocharger according to the first embodiment.
  • FIG. 2 is a cross-sectional view showing a lubrication system of an exhaust turbine supercharger.
  • FIG. 3 is a cross-sectional view showing a cooling system of an exhaust turbine supercharger.
  • FIG. 4 is a perspective view showing a connection portion of the pipe to the housing.
  • FIG. 5 is a cross-sectional view showing a connection portion of the pipe to the housing.
  • FIG. 6 is a perspective view of the connecting portion of the pipe according to the first embodiment as viewed from above.
  • FIG. 7 is a perspective view of the connecting portion of the pipe as viewed from below.
  • FIG. 1 is a cross-sectional view showing an exhaust turbine turbocharger according to the first embodiment.
  • FIG. 2 is a cross-sectional view showing a lubrication system of an exhaust turbine supercharger.
  • FIG. 3 is a cross-sectional view showing a cooling system of an exhaust turbine
  • FIG. 8 is a perspective view showing a connection portion of a pipe to a housing in the exhaust turbine supercharger of the second embodiment.
  • FIG. 9 is a perspective view showing a connecting portion of the pipe in the first modification of the second embodiment.
  • FIG. 10 is a perspective view showing a connecting portion of the pipe in the second modification of the second embodiment.
  • FIG. 11 is a perspective view showing a connecting portion of pipes in the exhaust turbine supercharger of the third embodiment.
  • FIG. 12 is a perspective view showing a connection portion of the pipe to the housing.
  • FIG. 13 is a perspective view showing a connecting portion of pipes in the exhaust turbine supercharger of the fourth embodiment.
  • FIG. 14 is a perspective view showing a connection portion of the pipe to the housing.
  • FIG. 15 is a cross-sectional view of the fixed portion connection portion of the pipe.
  • FIG. 16 is a cross-sectional view showing the electric supercharger of the fifth embodiment.
  • FIG. 17 is a cross-sectional view showing a connection portion of the pipe to the housing.
  • the present invention is not limited to this embodiment, and when there are a plurality of embodiments, the present invention also includes a combination of the respective embodiments.
  • FIG. 1 is a cross-sectional view showing the exhaust turbine supercharger of the first embodiment
  • FIG. 2 is a cross-sectional view showing the lubrication system of the exhaust turbine supercharger
  • FIG. 3 shows a cooling system of the exhaust turbine supercharger. It is a sectional view.
  • the exhaust turbine supercharger 10 as a supercharger of the present invention includes a housing 11, a turbine 12, a compressor 13, and a rotating shaft 14.
  • the housing 11 includes a turbine housing 21 having a hollow inside and forming a first space portion S1 accommodating the configuration of the turbine 12, and a compressor housing 22 forming a second space portion S2 accommodating the configuration of the compressor 13. , A bearing housing 23 forming a third space S3 for accommodating the rotating shaft 14. The third space portion S3 of the bearing housing 23 is located between the first space portion S1 of the turbine housing 21 and the second space portion S2 of the compressor housing 22.
  • the rotating shaft 14 is arranged in the bearing housing 23, the end on the turbine 12 side is rotatably supported by the bearing housing 23 by the journal bearing 24, and the end on the compressor 13 side is bearing by the journal bearing 25 and the thrust bearing 26. It is rotatably supported by the housing 23.
  • the turbine wheel 31 of the turbine 12 is fixed to one end of the rotating shaft 14 in the axial direction.
  • the turbine wheel 31 is housed in the first space portion S1 of the turbine housing 21, and a plurality of turbine blades 32 forming an axial flow type are provided on the outer peripheral portion at predetermined intervals in the circumferential direction.
  • the compressor wheel 33 of the compressor 13 is fixed to the other end of the rotating shaft 14 in the axial direction.
  • the compressor wheel 33 is housed in the first space portion S1 of the compressor housing 22, and a plurality of blades 34 are provided on the outer peripheral portion at predetermined intervals in the circumferential direction.
  • the turbine housing 21 is provided with an exhaust gas inlet flow path 35 and an exhaust gas outlet flow path 36 for a plurality of turbine blades 32.
  • the inlet flow path 35 is provided along the circumferential direction of the rotating shaft 14, and the outlet flow path 36 is provided along the axial direction of the rotating shaft 14.
  • a turbine nozzle 37 is provided between the inlet flow path 35 and the turbine blade 32. Therefore, the exhaust gas introduced from the inlet flow path 35 is statically expanded by the turbine nozzle 37 and then guided to the plurality of turbine blades 32, so that the turbine wheel 31 can be driven and rotated.
  • the compressor housing 22 is provided with an air intake port 38 and a compressed air discharge port 39 with respect to the compressor wheel 33.
  • the air intake port 38 is provided along the axial direction of the rotating shaft 14, and the compressed air discharge port 39 is provided along the circumferential direction of the rotating shaft 14.
  • the compressor housing 22 is provided with a diffuser 40 between the compressor wheel 33 and the compressed air discharge port 39. Therefore, the air as the combustion gas sucked from the air intake port 38 is compressed by the plurality of blades 34 of the compressor wheel 33 that is driven and rotated, and is discharged as compressed air from the compressed air discharge port 39 through the diffuser 40.
  • the turbine 12 is driven by the exhaust gas discharged from the exhaust system of an internal combustion engine (not shown), the rotation of the turbine 12 is transmitted to the rotating shaft 14, and the compressor 13 is driven. , The compressor 13 compresses the air and supplies it to the intake system of the internal combustion engine.
  • the exhaust turbine supercharger 10 is provided with a lubrication device 41 that supplies lubricating oil to two journal bearings 24 and 25 and one thrust bearing 26.
  • the lubrication device 41 has a lubricating oil supply flow path 42 and a lubricating oil discharge flow path 43 formed in the bearing housing 23.
  • the lubricating oil supply flow path 42 is composed of a plurality of supply flow paths 51, 52, 53, 54, 55.
  • the lubricating oil discharge flow path 43 is composed of a plurality of discharge flow paths 56 and 57.
  • the first supply flow path (lubricating oil supply hole) 51 is provided in the upper part of the bearing housing 23 along the radial direction.
  • the second supply flow path 52 is provided in the upper part of the bearing housing 23 along the axial direction, and the base end portion communicates with the first supply flow path 51.
  • the base end portion of the third supply flow path 53 communicates with the first supply flow path 51 and is provided toward the journal bearing 24.
  • the fourth supply flow path 54 is provided so that the base end portion communicates with the first supply flow path 51 and faces the journal bearing 25.
  • the fifth supply flow path 55 is provided so that the base end portion communicates with the second supply flow path 52 and faces the thrust bearing 26.
  • the first discharge flow path 56 is provided between the journal bearing 24 and the journal bearing 25 as a space around the rotating shaft 14.
  • the second discharge flow path (lubricating oil discharge hole) 57 is provided in the lower portion of the bearing housing 23 along the radial direction.
  • One end of the lubricating oil supply pipe 61 is connected to an oil pan (not shown), and the other end is connected to the first supply flow path 51.
  • One end of the lubricating oil discharge pipe 62 is connected to the second discharge flow path 57, and the other end is connected to the oil pan.
  • the lubricating oil supply pipe 61 is provided with an oil pump and an oil filter (not shown) in the middle.
  • the lubricating oil supplied from the lubricating oil supply pipe 61 to the first supply flow path 51 is supplied to the second supply flow path 52, the third supply flow path 53, the fourth supply flow path 54, and the fifth supply flow path 55. Be guided.
  • the lubricating oil guided to the third supply flow path 53 is supplied to the outer peripheral surface of the journal bearing 24, and the lubricating oil guided to the fourth supply flow path 54 is supplied to the outer peripheral surface of the journal bearing 25.
  • the lubricating oil guided to the outer peripheral surfaces of the journal bearings 24 and 25 is supplied between the inner peripheral surfaces of the journal bearings 24 and 25 and the outer peripheral surface of the rotating shaft 14 through a large number of through holes.
  • the lubricating oil guided from the second supply flow path 52 to the fifth supply flow path 55 is supplied between the inner peripheral surface of the thrust bearing 26 and the outer peripheral surface of the rotating shaft 14. Then, the lubricating oil supplied to the journal bearings 24 and 25 is discharged to the first discharge flow path 56 and falls into the third space portion S3. Further, the lubricating oil supplied to the thrust bearing 26 falls into the third space portion S3. The lubricating oil that has fallen into the third space portion S3 is discharged from the second discharge flow path 57 to the lubricating oil discharge pipe 62.
  • the exhaust turbine supercharger 10 is provided with a cooling device 71 that circulates cooling water (refrigerant) inside the bearing housing 23.
  • the cooling device 71 includes a cooling water annular flow path (refrigerant flow path) 72 formed in the bearing housing 23, a cooling water supply flow path (refrigerant supply hole) 73, and a cooling water discharge flow path (refrigerant discharge hole) 74.
  • a cooling water annular flow path (refrigerant flow path) 72 formed in the bearing housing 23
  • a cooling water supply flow path (refrigerant supply hole) 73
  • a cooling water discharge flow path (refrigerant discharge hole) 74.
  • the cooling water annular flow path 72 is provided on the turbine 12 side of the bearing housing 23. That is, the cooling water annular flow path 72 is provided along the circumferential direction on the outer side of the journal bearing 24 in the bearing housing 23 in the radial direction.
  • the cooling water annular flow path 72 is a flow path along the circumferential direction, but is interrupted by providing an end portion at the upper portion of the bearing housing 23.
  • the cooling water supply flow path 73 and the cooling water discharge flow path 74 are respectively provided in the upper portion of the bearing housing 23 along the radial direction.
  • the cooling water supply flow path 73 and the cooling water discharge flow path 74 are provided in line with the first supply flow path 51 of the lubricating oil supply flow path 42 in the oil supply device 41 in a linear direction in the circumferential direction of the bearing housing 23.
  • the bearing housing 23 has a mounting surface 101 formed on the outer peripheral surface of the upper portion.
  • the cooling water supply flow path 73, the first supply flow path 51, and the cooling water discharge flow path 74 are provided so as to open in a direction orthogonal to the mounting surface 101.
  • the cooling water supply flow path 73, the first supply flow path 51, and the cooling water discharge flow path 74 are provided side by side in order along the horizontal direction intersecting the axial direction of the rotating shaft 14.
  • the first supply flow path 51 is provided along the radial direction (radiation direction from the center) of the rotating shaft 14, but the cooling water supply flow path 73 and the cooling water discharge flow path 74 have the diameter of the rotating shaft 14. It is provided along a direction parallel to the first supply flow path 51, not in a direction.
  • the order of the flow paths 51, 73, 74 is not limited to this embodiment.
  • the tip of the cooling water supply flow path 73 is communicated with one end of the cooling water annular flow path 72 via the connecting flow path 75.
  • the cooling water discharge flow path 74 communicates with the other end of the cooling water annular flow path 72 via the connecting flow path 76.
  • One end of the cooling water supply pipe 81 is connected to the discharge side of a cooling water pump (not shown), and the other end is connected to the cooling water supply flow path 73.
  • One end of the lubricating oil discharge pipe 82 is connected to the cooling water discharge flow path 74, and the other end is connected to the suction side of the cooling water pump.
  • the cooling water supplied from the cooling water supply pipe 81 to the cooling water supply flow path 73 flows to the cooling water annular flow path 72 via the connecting flow path 75.
  • the cooling water flows along the cooling water annular flow path 72 to cool the bearing housing 23 and indirectly suppress the temperature rise of the lubricating oil.
  • the cooling water that has flowed through the cooling water annular flow path 72 flows into the cooling water discharge flow path 74 via the connecting flow path 76, and is discharged to the lubricating oil discharge pipe 82.
  • FIG. 4 is a perspective view showing the connection portion of the pipe to the housing
  • FIG. 5 is a cross-sectional view showing the connection portion of the pipe to the housing
  • FIG. 7 is a perspective view of the connecting portion of the pipe as viewed from below. Note that FIGS. 4 and 5 show the pipes 61, 81, and 82 cut from the middle.
  • the turbine 12 is located on one side in the axial direction of the rotating shaft 14 (see FIG. 1), and the compressor 13 is located on the other side.
  • the bearing housing 23 has a mounting surface 101 formed on the upper part of the outer peripheral surface, and the mounting surface 101 is a flat surface having no step in the radial direction of the bearing housing 23.
  • the first supply flow path 51 constituting the lubricating oil supply flow path 42, the cooling water supply flow path 73, and the cooling water discharge flow path 74 are formed so as to open to the mounting surface 101. At this time.
  • the first supply flow path 51, the cooling water supply flow path 73, and the cooling water discharge flow path 74 are orthogonal to the mounting surface 101 and parallel to each other.
  • the cooling water supply flow path 73, the first supply flow path 51, and the cooling water discharge flow path 74 are provided side by side in order along the horizontal direction intersecting the axial direction of the rotating shaft 14. That is, the first supply flow path 51 is located in the center of the bearing housing 23, and the cooling water supply flow path 73 and the cooling water discharge flow path 74 are located on both sides in the circumferential direction.
  • the end 61a of the lubricating oil supply pipe 61 is connected to the first supply flow path 51, and the end 81a of the cooling water supply pipe 81 is connected to the cooling water supply flow path 73, so that the cooling water discharge flow path 74 Is connected to the end 92a of the cooling water discharge pipe 82.
  • the first pipe of the present invention corresponds to the cooling water supply pipe 81 and the cooling water discharge pipe 82
  • the second pipe of the present invention corresponds to the lubricating oil supply pipe 61.
  • the cooling water supply pipe 81 corresponds to the third pipe of the present invention.
  • the flange portion 111 as the first mounting flange is fixed to the end portion 82a connected to the bearing housing 23.
  • the flange portion 111 is fixed at a position separated from the tip of the cooling water discharge pipe 82 by the insertion length.
  • a flange portion 112 as a second mounting flange is fixed to an end portion 61a connected to the bearing housing 23.
  • the flange portion 112 is fixed at a position separated from the tip of the cooling water discharge pipe 82 by a length obtained by adding the thickness of the flange portion 111 to the insertion length.
  • the first mounting flange and the flange portion 113 as the third mounting flange are fixed to the end portion 81a connected to the bearing housing 23.
  • the flange portion 113 is fixed at a position separated from the tip of the cooling water supply pipe 81 by the insertion length.
  • the flange portion 111 has an oval shape, and the cooling water discharge pipe 82 is penetrated and fixed to the through hole 111a formed on one end side, and the contact portion 111b as a detent mechanism is formed on the other end side.
  • the contact portion 111b prevents the cooling water discharge pipe 82 from rotating with respect to the bearing housing 23, and is a concave portion having a curved shape along the outer peripheral surface of the lubricating oil supply pipe 61.
  • the flange portion 112 has an oval shape, and the lubricating oil supply pipe 61 is penetrated and fixed to the through hole 112a formed on the one end side, and the mounting hole 112b is formed on the other end side.
  • the flange portion 113 has an oval shape, and the cooling water supply pipe 81 is penetrated and fixed to the through hole 113a formed on one end side, and the contact portion 113b as a detent mechanism is formed on the other end side.
  • the contact portion 113b prevents the cooling water supply pipe 81 from rotating with respect to the bearing housing 23, and is a concave portion having a curved shape along the outer peripheral surface of the lubricating oil supply pipe 61.
  • the end 82a of the cooling water discharge pipe 82 is inserted into the cooling water discharge flow path 74 provided in the bearing housing 23.
  • a ring-shaped seal member 102 is interposed between the outer peripheral surface of the cooling water discharge pipe 82 and the inner peripheral surface of the cooling water discharge flow path 74, and the lower surface of the flange portion 111 is the mounting surface of the bearing housing 23. Adheres to 101 without gaps.
  • the cooling water supply pipe 81 has an end 81a inserted into the cooling water supply flow path 73 provided in the bearing housing 23.
  • a ring-shaped seal member 103 is interposed between the outer peripheral surface of the cooling water supply pipe 81 and the inner peripheral surface of the cooling water supply flow path 73, and the lower surface of the flange portion 113 is the mounting surface of the bearing housing 23. Adheres to 101 without gaps. Further, the lubricating oil supply pipe 61 is inserted into the first supply flow path 51 whose end 61a is provided in the bearing housing 23. At this time, a ring-shaped seal member 104 is interposed between the outer peripheral surface of the lubricating oil supply pipe 61 and the inner peripheral surface of the first supply flow path 51, and the lower surface of the flange portion 112 on one end side is cooling water. The upper surface of the flange portion 113 of the supply pipe 81 is in close contact with the upper surface, and the lower surface on the other end side is in close contact with the upper surface of the cooling water discharge pipe 82 without a gap.
  • a screw hole 105 is formed in the fixed surface 101a that rises adjacent to the mounting surface 101. Further, the position of the flange portion 111 in the circumferential direction is adjusted so that the contact portion 111b comes into contact with the outer peripheral surface of the lubricating oil supply pipe 61, and the flange portion 113 has the contact portion 113b on the outer peripheral surface of the lubricating oil supply pipe 61. The position in the circumferential direction is adjusted so that they come into contact with each other. At this time, the lower surface of the flange portion 112 is in close contact with the upper surfaces of the flange portions 111 and 113 of the cooling water supply pipe 81 and the cooling water discharge pipe 82 without any gap. Then, the fastening bolt 114 penetrates the mounting hole 112b of the flange portion 112 and is screwed into the screw hole 105.
  • the lubricating oil supply pipe 61 is connected to the bearing housing 23 by fixing the flange portion 112 to the fixing surface 101a by the fastening bolt 114.
  • the flange portions 111 and 113 are overlapped below the flange portion 112 of the lubricating oil supply pipe 61 and are pressed in the insertion direction of the respective pipes 81 and 82.
  • the contact portions 111b and 113b of the flange portions 111 and 113 come into contact with the outer peripheral surface of the lubricating oil supply pipe 61 to prevent rotation. Therefore, the cooling water supply pipe 81 and the cooling water discharge pipe 82 are connected to the bearing housing 23 by fixing the flange portions 111 and 113 by the flange portion 112 of the lubricating oil supply pipe 61.
  • the housing 11 (bearing housing 23), the rotating shaft 14 rotatably supported inside the housing 11, and one end portion of the rotating shaft 14 in the axial direction.
  • the compressor wheel 33 (compressor 13) provided in the housing 11, the cooling water supply pipe 81 and the cooling water discharge pipe 82 having flanges 111 and 112 at the ends 81a and 83a and connected to the housing 11, and the end 61a.
  • a lubricating oil supply pipe 61 having a flange portion 112 and connected to the housing 11 is provided, and the ends 81a and 82a of the cooling water supply pipe 81 and the cooling water discharge pipe 82 form the cooling water supply flow path 73 and the housing 11.
  • the end portion 61a of the lubricating oil supply pipe 61 is inserted into the first supply flow path 51 of the housing 11, and the flange portion 112 presses the flange portions 111 and 113 in the insertion direction. It is fixed to the housing 11.
  • the lubricating oil supply pipe 61 is fixed to the housing 11 via the flange portion 112, and the cooling water supply pipe 81 is pressed by the flange portion 112 of the lubricating oil supply pipe 61 whose flange portion 113 is fixed to the housing 11.
  • the cooling water discharge pipe 82 is fixed by being pressed by the flange portion 112 of the lubricating oil supply pipe 61 whose flange portion 111 is fixed to the housing 11. Therefore, it is possible to eliminate the need for fastening bolts and the like for fixing the flange portions 111 and 113 of the cooling water supply pipe 81 and the cooling water discharge pipe 82 to the housing 11.
  • a plurality of pipes 61, 81, 82 can be integrated and connected to the housing 11, and the increase in cost can be suppressed by suppressing the increase in size of the housing 11 and the occurrence of processing work on the mounting surface 101. can do.
  • the rotating shaft 14 is rotatably supported by the housing 11 via the bearings 24, 25, 26, and the lubricating oil supply flow path 42 and the lubrication communicating with the bearings 24, 25, 26.
  • the oil discharge flow path 43 is provided, and the housing 11 is provided with a cooling water circulation flow path 72 around the rotating shaft 14, and the cooling water supply flow path 73 and the cooling water discharge flow path 74 communicating with the cooling water circulation flow path 72.
  • the lubricating oil supply pipe 61 connected to the first supply flow path 51 of the lubricating oil supply flow path 42, the cooling water supply pipe 81 connected to the cooling water supply flow path 73 and the cooling water discharge flow path 74, and
  • the cooling water discharge pipe 82 is integrated in one place of the housing 11. Therefore, it is possible to suppress an increase in cost by suppressing an increase in the size of the housing 11 and the occurrence of processing work on the mounting surface 101.
  • the flange portion 112 of the lubricating oil supply pipe 61, the cooling water supply pipe 81, and the flange portions 111 and 113 of the cooling water discharge pipe 82 are overlapped in the thickness direction thereof, and the upper flange portion 112 Only fixed to the housing 11. Therefore, by fixing only the flange portion 112 to the housing 11, the lubricating oil supply pipe 61 can be connected to the housing 11, and the flange portion 112 presses the flange portions 111 and 113 to cool the cooling water supply pipe 81 and the cooling water supply pipe 81.
  • the water discharge pipe 82 can be connected to the housing 11, and the connection portion of the plurality of pipes 61, 81, 82 to the housing 11 can be simplified.
  • contact portions 111b and 113b are provided as detent mechanisms for preventing the rotation of the cooling water supply pipe 81 with respect to the housing 11. Therefore, the cooling water supply pipe 81 and the cooling water discharge pipe 82 are prevented from coming off by the flange portion 112 of the lubricating oil supply pipe 61 and are prevented from rotating by the rotation prevention mechanism, so that the cooling water is supplied to the housing 11.
  • the pipe 81 and the cooling water discharge pipe 82 can be firmly connected.
  • contact portions 111b and 113b in contact with the lubricating oil supply pipe 61 are provided on the flange portions 111 and 113 of the cooling water supply pipe 81 and the cooling water discharge pipe 82 as a detent mechanism. .. Therefore, the cooling water supply pipe 81 and the cooling water discharge pipe 82 can be easily detented without changing the structure of the cooling water supply pipe 81.
  • the flange portion 112 of the lubricating oil supply pipe 61 is fixed to the bearing housing 23 by the fastening bolt 114, so that the flange portion 112 is the flange portion of the cooling water supply pipe 81 and the cooling water discharge pipe 82.
  • the present invention is not limited to this configuration.
  • the flange portion 111 of the cooling water discharge pipe 82 and the flange portion 112 of the lubricating oil supply pipe 61 may be overlapped in the thickness direction thereof, and both the flange portions 111 and 112 may be fixed to the housing 11 with individual fastening bolts. ..
  • the lubricating oil supply pipe 61, the cooling water supply pipe 81, and the cooling water discharge pipe 82 are fixed to the housing 11 in parallel. Therefore, since the first supply flow path 51, the cooling water supply flow path 73, and the cooling water discharge flow path 74 are parallel to each other, the processing of the respective flow paths 51, 73, 74 with respect to the housing 11 is simplified and the workability is improved. At the same time, the assembling property of the pipes 61, 81, 82 to the respective flow paths 51, 73, 74 can be improved.
  • the mounting surface 101 on which the first supply flow path 51, the cooling water supply flow path 73, and the cooling water discharge flow path 74 are formed is a continuous flat surface without a step. Therefore, it is possible to facilitate the processing of the mounting surface 101 and improve the workability.
  • the flange portion 111 of the cooling water discharge pipe 82 and the flange portion 112 of the lubricating oil supply pipe 61 are overlapped in the thickness direction, and the flange portion 113 of the cooling water supply pipe 81 and the lubricating oil supply pipe are overlapped.
  • the flange portion 112 of 61 is overlapped in the thickness direction, and the fastening bolt 114 penetrates the flange portion 112 and is screwed into the housing 11 to fix the lubricating oil supply pipe 61 to the housing 11, and the flange portion of the lubricating oil supply pipe 61.
  • the 112 presses the flange portions 111 and 113 of the cooling water supply pipe 81 and the cooling water discharge pipe 82 in the insertion direction, and the contact portion serves as a detent mechanism to prevent the cooling water supply pipe 81 and the cooling water discharge pipe 82 from rotating with respect to the housing 11.
  • 111b and 113b are provided. Therefore, three or more pipes 61, 81, 82 can be integrated and connected to the housing 11, and the increase in cost can be suppressed by suppressing the increase in size of the housing 11 and the occurrence of processing work on the mounting surface 101. can do.
  • an exhaust turbine in which a turbine wheel 31 (turbine 12) is provided at one end in the axial direction of the rotating shaft 14 and a compressor wheel 33 (compressor 13) is provided at the other end in the axial direction.
  • the supercharger 10 is used. Therefore, in the exhaust turbine supercharger 10, a plurality of pipes 61, 81, 82 can be integrated and connected to the housing 11, and the size of the housing 11 and the occurrence of processing work on the mounting surface can be suppressed. It is possible to suppress an increase in cost increase.
  • the cooling water supply pipe 81 and the ends 81a and 82a of the cooling water discharge pipe 82 are connected to the cooling water supply flow path 73 and the cooling water discharge flow of the housing 11.
  • the step of inserting into the road 74, the step of inserting the end portion 61a of the lubricating oil supply pipe 61 into the first supply flow path 51 of the housing 11, and the step of pressing the flange portions 111 and 113 in the insertion direction by the flange portion 112 of the housing 11 It has a step of fixing to.
  • a plurality of pipes 61, 81, 82 can be integrated and connected to the housing 11, and the increase in cost can be suppressed by suppressing the increase in size of the housing 11 and the occurrence of processing work on the mounting surface 101. be able to.
  • FIG. 8 is a perspective view showing a connection portion of a pipe to a housing in the exhaust turbine supercharger of the second embodiment.
  • the basic configuration of this embodiment is the same as that of the first embodiment described above, and will be described with reference to FIGS. 1 to 3, and the members having the same functions as those of the first embodiment are the same. Reference numerals will be given and detailed description thereof will be omitted.
  • the bearing housing 23 of the exhaust turbine supercharger 10 has mounting surfaces 106 and 107 formed on the upper portion of the outer peripheral surface, and the mounting surfaces 106 and 107 are formed on the mounting surfaces 106 and 107. It is a flat surface having a step 108. That is, the second mounting surface 107 is a plane far from the first mounting surface 106 on the axial side of the rotating shaft 14, and a step 108 is provided between the first mounting surface 106 and the second mounting surface 107. Then, the cooling water supply flow path 73 is formed on the first mounting surface 106, and the first supply flow path 51 constituting the lubricating oil supply flow path 42 and the cooling water discharge flow path 74 are formed on the second mounting surface 107.
  • the first supply flow path 51, the cooling water supply flow path 73, and the cooling water discharge flow path 74 are orthogonal to the mounting surfaces 106 and 107. Further, the cooling water supply flow path 73, the first supply flow path 51, and the cooling water discharge flow path 74 are provided side by side in order along the horizontal direction intersecting the axial direction of the rotating shaft 14. Then, the lubricating oil supply pipe 61 is connected to the first supply flow path 51, the cooling water supply pipe 81 is connected to the cooling water supply flow path 73, and the cooling water discharge pipe 82 is connected to the cooling water discharge flow path 74. ..
  • the flange portion 131 as the first mounting flange is fixed to the end portion 81a connected to the bearing housing 23.
  • the flange portion 132 as the second mounting flange is fixed to the ends 82a and 61a connected to the bearing housing 23. .. That is, in the second embodiment, a plurality of second pipes (two in the present embodiment) are provided, and are common to the cooling water discharge pipe 82 and the end portions 82a, 61a of the lubricating oil supply pipe 61 as the second pipe.
  • the flange portion 132 as the second mounting flange is fixed.
  • the flange portion 131 has a rectangular shape, the cooling water supply pipe 81 is penetrated through the through hole 131a and fixed, and the contact portion 131b as a detent mechanism is formed on the outer peripheral portion.
  • the contact portion 131b prevents the cooling water supply pipe 81 from rotating with respect to the bearing housing 23, and has a planar shape along the regulation surface 109 of the bearing housing 23.
  • the regulation surface 109 is a surface orthogonal to the rotation axis 14 (see FIG. 1) in the axial direction.
  • the flange portion 132 has an oval shape, and the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are penetrated and fixed to the through holes 132a and 132b formed on the central portion and one end side, and are fixed to the other end side.
  • a mounting hole 132c is formed.
  • the cooling water supply pipe 81 has an end 81a inserted into the cooling water supply flow path 73 (see FIG. 3) provided in the bearing housing 23, and the lower surface of the flange portion 131 has no gap on the first mounting surface 106 of the bearing housing 23. In close contact. Further, the cooling water discharge pipe 82 has an end 82a inserted into the cooling water discharge flow path 74 (see FIG. 3) provided in the bearing housing 23, and the lubricating oil supply pipe 61 has an end 61a provided in the bearing housing 23. It is inserted into the first supply flow path 51 (see FIG. 2).
  • the lower surface of the flange portion 132 is in close contact with the upper surface of the flange portion 131 of the cooling water supply pipe 81 without a gap, and the other lower surface is in close contact with the second mounting surface 107 of the bearing housing 23 without a gap.
  • a screw hole 105 is formed at a predetermined position.
  • the position of the mounting hole 132c of the flange portion 132 in the circumferential direction is adjusted so as to overlap the screw hole 105, and the fastening bolt 114 penetrates the mounting hole 132c of the flange portion 132 and is screwed into the screw hole 105.
  • the contact portion 131b comes into contact with the regulation surface 109 of the bearing housing 23.
  • the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are connected to the bearing housing 23 by fixing the common flange portion 132 to the second mounting surface 107 by the fastening bolt 114.
  • the flange portion 131 is overlapped below the flange portion 132 and is pressed in the insertion direction. Further, in the cooling water supply pipe 81, the contact portion 131b of the flange portion 131 comes into contact with the regulation surface 109 of the bearing housing 23 to prevent rotation. Therefore, the cooling water supply pipe 81 is connected to the bearing housing 23 by fixing the flange portion 131 to the first mounting surface 106 by the bearing housing 23 and the flange portion 132.
  • FIG. 9 is a perspective view showing the connecting portion of the pipe in the first modification of the second embodiment
  • FIG. 10 is a perspective view showing the connecting portion of the pipe in the second modification of the second embodiment.
  • the flange portion 141 of the cooling water supply pipe 81 is fixed to the end portion 81a.
  • Flange portions 142 of the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are fixed to the ends 82a and 61a.
  • the flange portion 141 has a circular shape, and the cooling water supply pipe 81 is penetrated and fixed to the through hole 141a.
  • the cooling water supply pipe 81 is formed with a contact portion 141b as a detent mechanism on the outer peripheral surface.
  • the flange portion 142 has a long plate shape, and the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are penetrated and fixed through the through holes 142a and 142b formed in the central portion, and the groove portion 142c is formed on one end side. , A mounting hole 142d is formed on the other end side.
  • the contact portion 141b of the cooling water supply pipe 81 prevents the cooling water supply pipe 81 from rotating with respect to the bearing housing 23 (see FIG. 8), and has a planar shape along the inner surface 142e of the groove portion 142c of the flange portion 142. ..
  • the cooling water supply pipe 81, the cooling water discharge pipe 82, and the lubricating oil supply pipe 61 have a common flange portion 142 as a fastening bolt. It is connected to the bearing housing 23 by being fixed by 114 (see FIG. 8).
  • the flange portion 141 is overlapped below the flange portion 142 and is pressed in the insertion direction. Further, in the cooling water supply pipe 81, the contact portion 141b comes into contact with the inner surface 142e of the flange portion 142 to prevent rotation. Then, the cooling water supply pipe 81 is connected to the bearing housing 23 by fixing the flange portion 141 by the flange portion 142.
  • the flange portion 151 of the cooling water supply pipe 81 is fixed to the end portion 81a.
  • the flange portions 152 of the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are fixed to the ends 82a and 61a.
  • the flange portion 151 has a circular shape, and the cooling water supply pipe 81 is penetrated and fixed to the through hole 151a.
  • the cooling water supply pipe 81 is formed with a contact portion 151b as a detent mechanism on the outer peripheral surface.
  • the flange portion 152 has a long plate shape, and the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are penetrated and fixed through the through holes 152a and 152b formed in the central portion, and the end face 152c is formed on one end side. A mounting hole 152d is formed on the other end side.
  • the contact portion 151b of the cooling water supply pipe 81 prevents the cooling water supply pipe 81 from rotating with respect to the bearing housing 23 (see FIG. 8), and has a planar shape along the end surface 152c of the flange portion 152.
  • the cooling water supply pipe 81, the cooling water discharge pipe 82, and the lubricating oil supply pipe 61 have a common flange portion 152 as a fastening bolt. It is connected to the bearing housing 23 by being fixed by 114 (see FIG. 8).
  • the flange portion 151 is overlapped below the flange portion 152 and is pressed in the insertion direction. Further, in the cooling water supply pipe 81, the contact portion 151b comes into contact with the end surface 152c of the flange portion 152 to prevent rotation. Then, the cooling water supply pipe 81 is connected to the bearing housing 23 by fixing the flange portion 151 by the flange portion 152.
  • the flange portion 131 (141, 151) is provided at the end portion 81a of the cooling water supply pipe 81, and the ends of the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are provided.
  • Flange portions 132 (142, 152) common to the portions 82a and 61a are provided, the end portion 81a of the cooling water supply pipe 81 is inserted into the cooling water supply flow path 73 of the housing 11, and the end portion 82a of the cooling water discharge pipe 82 is provided.
  • the end portion 61a of the lubricating oil supply pipe 61 is inserted into the first supply flow path 51 of the housing 11, and the flange portion 132 inserts the flange portion 131 in the insertion direction. It is pressed down and fixed to the housing 11.
  • the plurality of pipes 91, 82, 61 can be connected to the housing 11 by simply fixing one flange portion 132 to the housing 11. It can be connected to the housing, the structure can be simplified, and the workability can be improved.
  • a contact portion 131b is provided as a detent mechanism in which the flange portion 131 contacts the regulation surface 109 of the housing 11. Therefore, the cooling water supply pipe 81 can be easily detented without changing the structure of the cooling water supply pipe 81.
  • a contact portion 141b (151b) in which the cooling water supply pipe 81 contacts the flange portion 142 (152) is provided as a detent mechanism. Therefore, the cooling water supply pipe 81 can be easily detented without changing the structure of the flange portion 142 of the cooling water supply pipe 81.
  • the first mounting surface 106 of the housing 11 on which the cooling water supply flow path 73 is formed, and the housing 11 on which the cooling water discharge flow path 74 and the first supply flow path 51 are formed.
  • the second mounting surface 107 is a flat surface having a step 108, and the flange portions 131, (141, 151) come into contact with the first mounting surface 106, and the flange portions 132 (142, 152) come into contact with the second mounting surface 107. Are in contact.
  • the flange portions 131, (141, 151) are brought into contact with the first mounting surface 106, and the flange portions 132 (142, 152) are brought into contact with each other.
  • a plurality of pipes 81, 82, 61 can be connected to the housing 11, and the plurality of pipes 81, 82, 61 are integrated into the housing 11 regardless of the shape of the housing 11. Can be connected to.
  • the flange portions 132 (142, 152) common to the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 as the plurality of second pipes of the present invention are provided.
  • a common flange portion may be provided at the end portion of the first pipe.
  • FIG. 11 is a perspective view showing a connecting portion of the pipe in the exhaust turbine supercharger of the third embodiment
  • FIG. 12 is a perspective view showing the connecting portion of the pipe to the housing.
  • the members having the same functions as those of the first embodiment described above are designated by the same reference numerals, and detailed description thereof will be omitted.
  • the bearing housing 23 of the exhaust turbine supercharger has a first mounting surface 106 and a second mounting surface 107 formed on the upper part of the outer peripheral surface, and is first mounted.
  • a step 108 is provided between the surface 106 and the second mounting surface 107.
  • a first supply flow path 51 (see FIG. 2) and a cooling water supply flow path 73 (see FIG. 3) are formed on the first mounting surface 106, and a cooling water discharge flow path 74 (see FIG. 3) is formed on the second mounting surface 107. (See) and the first supply flow path 51 is formed.
  • the flange portion 161 as the first mounting flange is fixed to the end portion 81a.
  • a common flange portion 162 as a second mounting flange is fixed to the end portions 82a and 61a.
  • the flange portion 161 has a rectangular shape, and the cooling water supply pipe 81 is penetrated and fixed to the through hole 161a, and a contact portion 161b as a detent mechanism is formed on the outer peripheral portion.
  • the contact portion 161b prevents the cooling water supply pipe 81 from rotating with respect to the bearing housing 23, and is formed as a notch portion.
  • the bearing housing 23 has a protrusion 165 formed on the second mounting surface 107, and the contact portion 161b can come into contact with the protrusion 165.
  • the flange portion 162 has a long plate shape, and the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are penetrated and fixed to the through holes 162a and 162b formed on the central portion and one end side, and are fixed to the other end side.
  • a mounting hole 162c is formed.
  • the end 81a of the cooling water supply pipe 81 is inserted into the cooling water supply flow path 73 of the bearing housing 23, and the lower surface of the flange portion 161 is in close contact with the first mounting surface 106 of the bearing housing 23 without a gap.
  • the end 82a of the cooling water discharge pipe 82 is inserted into the cooling water discharge flow path 74 of the bearing housing 23, and the end 61a of the lubricating oil supply pipe 61 is inserted into the first supply flow path 51 of the bearing housing 2. ..
  • the lower surface of the flange portion 162 is in close contact with the upper surface of the flange portion 161 of the cooling water supply pipe 81 without a gap, and the other lower surface is in close contact with the second mounting surface 107 of the bearing housing 23 without a gap.
  • the fastening bolt 114 penetrates the mounting hole 162c of the flange portion 162 and is screwed into the screw hole 105. Further, in the flange portion 161, the contact portion 161b comes into contact with the protrusion 165 formed on the first mounting surface 106 of the bearing housing 23.
  • the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are connected to the bearing housing 23 by fixing the common flange portion 162 to the second mounting surface 107 by the fastening bolt 114.
  • the flange portion 161 is overlapped below the flange portion 162 and is pressed in the insertion direction. Further, in the cooling water supply pipe 81, the contact portion 161b of the flange portion 161 comes into contact with the protrusion 165 of the bearing housing 23 to prevent rotation. Therefore, the cooling water supply pipe 81 is connected to the bearing housing 23 by being fixed to the first mounting surface 106 by the bearing housing 23 and the flange portion 162.
  • the flange portion 161 is provided at the end portion 81a of the cooling water supply pipe 81, and the end portions 82a, 61a of the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are provided.
  • a common flange portion 162 is provided, the end 81a of the cooling water supply pipe 81 is inserted into the cooling water supply flow path 73 of the housing 11, and the end 82a of the cooling water discharge pipe 82 is the cooling water discharge flow path 74 of the housing 11.
  • the end portion 61a of the lubricating oil supply pipe 61 is inserted into the first supply flow path 51 of the housing 11, and the flange portion 162 presses the flange portion 161 in the insertion direction and is fixed to the housing 11.
  • the contact portion 161b of the flange portion 161 comes into contact with the protrusion 165 of the housing 11.
  • FIG. 13 is a perspective view showing a connecting portion of the pipe in the exhaust turbine supercharger of the fourth embodiment
  • FIG. 14 is a perspective view showing the connecting portion of the pipe to the housing
  • FIG. 15 is a fixed portion connecting portion of the pipe. Is a cross-sectional view.
  • the members having the same functions as those of the first embodiment described above are designated by the same reference numerals, and detailed description thereof will be omitted.
  • the flange portion 171 of the cooling water supply pipe 81 is fixed to the end portion 81a.
  • Flange portions 172 of the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are fixed to the ends 82a and 61a.
  • the flange portion 171 has a rectangular shape, and the cooling water supply pipe 81 is penetrated and fixed to the through hole 171a, and a contact portion 171b as a detent mechanism is formed on the outer peripheral portion.
  • the contact portion 171b prevents the cooling water supply pipe 81 from rotating with respect to the bearing housing 23, and is formed in a claw shape.
  • the bearing housing 23 has a recess 175 formed on the second mounting surface 107, and the contact portion 171b can contact the recess 175.
  • the flange portion 172 has a long plate shape, and the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are penetrated and fixed to the through holes 172a and 172b formed on the central portion and one end side, and are fixed to the other end side.
  • a mounting hole 172c is formed.
  • the end 81a of the cooling water supply pipe 81 is inserted into the cooling water supply flow path 73 of the bearing housing 23, and the lower surface of the flange portion 171 is in close contact with the first mounting surface 106 of the bearing housing 23 without a gap.
  • the end 82a of the cooling water discharge pipe 82 is inserted into the cooling water discharge flow path 74 of the bearing housing 23, and the end 61a of the lubricating oil supply pipe 61 is inserted into the first supply flow path 51 of the bearing housing 2. ..
  • the lower surface of the flange portion 172 is in close contact with the upper surface of the flange portion 171 of the cooling water supply pipe 81 without a gap, and the other lower surface is in close contact with the second mounting surface 107 of the bearing housing 23 without a gap.
  • the fastening bolt 114 penetrates the mounting hole 162c of the flange portion 162 and is screwed into the screw hole 105. Further, in the flange portion 161, the contact portion 161b comes into contact with the recess 175 formed in the first mounting surface 106 of the bearing housing 23.
  • the contact portion 161b is formed by a protruding piece projecting outward from the outer peripheral portion of the flange portion 171 being bent more than 90 degrees toward the second mounting surface 107 side.
  • the recess 175 is formed from the second mounting surface 107 of the bearing housing 23 along an inclined direction approaching the cooling water supply flow path 73 with respect to the axial direction of the cooling water supply flow path 73. The bending direction of the contact portion 161b and the inclination direction of the recess 175 are substantially the same.
  • the contact portion 161b elastically deforms and contacts the recess 175.
  • the cooling water supply pipe 81 is not only prevented from rotating with respect to the bearing housing 23, but is also prevented from coming off.
  • the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are connected to the bearing housing 23 by fixing the common flange portion 172 to the second mounting surface 107 by the fastening bolt 114.
  • the flange portion 171 is overlapped below the flange portion 172 and is pressed in the insertion direction. Further, in the cooling water supply pipe 81, the contact portion 171b of the flange portion 171 comes into contact with the recess 175 of the bearing housing 23 to prevent rotation. Therefore, the cooling water supply pipe 81 is connected to the bearing housing 23 by being fixed to the first mounting surface 106 by the bearing housing 23 and the flange portion 172.
  • the flange portion 171 is provided at the end portion 81a of the cooling water supply pipe 81, and the end portions 82a, 61a of the cooling water discharge pipe 82 and the lubricating oil supply pipe 61 are provided.
  • a common flange portion 172 is provided, the end 81a of the cooling water supply pipe 81 is inserted into the cooling water supply flow path 73 of the housing 11, and the end 82a of the cooling water discharge pipe 82 is the cooling water discharge flow path 74 of the housing 11.
  • the end portion 61a of the lubricating oil supply pipe 61 is inserted into the first supply flow path 51 of the housing 11, and the flange portion 172 presses the flange portion 171 in the insertion direction and is fixed to the housing 11.
  • the contact portion 171b of the flange portion 171 comes into contact with the recess 175 of the housing 11.
  • FIG. 16 is a cross-sectional view showing the electric supercharger of the fifth embodiment
  • FIG. 17 is a cross-sectional view showing a connecting portion of the pipe to the housing.
  • the electric supercharger 200 as a supercharger of the present invention includes a housing 211, an electric motor 212, a compressor 213, a rotating shaft 214, and an inverter 215.
  • the inside of the housing 211 is hollow so that the rotating shaft 214 is arranged, and the rotating shaft 214 is rotatably supported by bearings 221, 222.
  • the rotor 223 is fixed to the outer peripheral portion of the rotating shaft 214, while the stator 224 is fixed to the inner peripheral portion of the housing 211.
  • the rotor 223 and the stator 224 face each other in the radial direction with a predetermined gap.
  • the electric motor 212 is composed of a rotor 223 and a stator 224.
  • the compressor wheel 225 of the compressor 213 is fixed to one end of the rotating shaft 214 in the axial direction.
  • the housing 211 is provided with an air intake port 226 and a compressed air discharge port 227 with respect to the compressor wheel 225.
  • the air as the combustion gas sucked from the air intake port 226 is compressed by the driven and rotating compressor wheel 225, and is discharged as compressed air from the compressed air discharge port 227.
  • the rotary shaft 214 is provided with an inverter 215 at the other end in the axial direction.
  • the rotating shaft 214 is driven and rotated by the electric motor 212, the rotation of the rotating shaft 214 is transmitted to drive the compressor 13, and the compressor 13 compresses air to internal combustion. Supply to the intake system of the engine.
  • the electric supercharger 200 is provided with an inverter 215 that drives and controls the electric motor 212. Since the inverter 215 generates heat, the housing 211 is provided with a cooling device 231 that circulates cooling water (refrigerant) inside.
  • the cooling device 231 includes a cooling water annular flow path (refrigerant flow path) 232 formed in the housing 211, a cooling water supply flow path (refrigerant supply hole) 233, and a cooling water discharge flow path (refrigerant discharge hole) 234. Have.
  • the cooling water annular flow path 232 is provided on the inverter 215 side of the housing 211. That is, the cooling water annular flow path 232 is provided along the circumferential direction on the outer side of the bearing 222 in the housing 211 in the radial direction.
  • the cooling water annular flow path 232 is a flow path that is continuous in the circumferential direction, but is interrupted by providing an end portion at the upper portion of the housing 211.
  • the cooling water supply flow path 233 and the cooling water discharge flow path 234 are provided on the upper portion of the housing 211 along the radial direction.
  • the cooling water supply flow path 233 and the cooling water discharge flow path 234 are provided side by side in the circumferential direction of the housing 211.
  • a mounting surface 240 is formed on the upper part of the outer peripheral surface of the housing 211.
  • the cooling water supply flow path 233 and the cooling water discharge flow path 234 are provided so as to open in a direction orthogonal to the mounting surface 240.
  • the cooling water supply flow path 233 and the cooling water discharge flow path 234 are provided side by side in order along the horizontal direction intersecting the axial direction of the rotating shaft 214.
  • the tip of the cooling water supply flow path 233 communicates with one end of the cooling water annular flow path 232 via the connecting flow path 235.
  • the cooling water discharge flow path 234 communicates with the other end of the cooling water annular flow path 232 via the connecting flow path 236.
  • One end of the cooling water supply pipe 241 is connected to the discharge side of a cooling water pump (not shown), and the other end is connected to the cooling water supply flow path 233.
  • One end of the cooling water discharge pipe 242 is connected to the cooling water discharge flow path 234, and the other end is connected to the suction side of the cooling water pump.
  • a flange portion 151 as a first mounting flange is fixed to an end portion 241a connected to the housing 211.
  • a flange portion 252 as a second mounting flange is fixed to an end portion 242a connected to the housing 211.
  • the flange portion 251 is fixed by penetrating the cooling water supply pipe 241 through the through hole 251a, and the contact portion 251b as a detent mechanism is formed on the outer peripheral portion.
  • the contact portion 251b prevents the cooling water supply pipe 241 from rotating with respect to the housing 211, and is a concave portion having a curved shape along the outer peripheral surface of the cooling water discharge pipe 242.
  • the flange portion 252 is fixed by penetrating the cooling water discharge pipe 242 through the through hole 252a formed on the one end side, and the mounting hole 252b is formed on the other end side.
  • the end 241a of the cooling water supply pipe 241 is inserted into the cooling water supply flow path 233 of the housing 211, and the lower surface of the flange portion 251 is in close contact with the mounting surface 240 of the housing 211 without a gap.
  • the end 242a of the cooling water discharge pipe 242 is inserted into the cooling water discharge flow path 234 of the housing 211, and the lower surface of the flange portion 252 is in close contact with the upper surface of the flange portion 251 of the cooling water supply pipe 241 without a gap.
  • the other lower surface is in close contact with the mounting surface 240 of the housing 211 without any gap.
  • the fastening bolt 253 penetrates the mounting hole 252b of the flange portion 252 and is screwed into the screw hole 254. Further, in the flange portion 251, the contact portion 251b comes into contact with the outer peripheral surface of the cooling water discharge pipe 242.
  • the cooling water discharge pipe 242 is connected to the housing 211 by fixing the flange portion 252 to the mounting surface 240 by the fastening bolt 253.
  • the flange portion 251 is overlapped below the flange portion 252 and is pressed in the insertion direction of the cooling water supply pipe 241.
  • the contact portion 251b of the flange portion 251 comes into contact with the outer peripheral surface of the cooling water discharge pipe 242 to prevent rotation. Therefore, the cooling water supply pipe 241 is connected to the housing 211 by fixing the flange portion 151 to the mounting surface 240 by the cooling water discharge pipe 242 and the flange portion 152.
  • the electric motor 212 that drives and rotates the rotating shaft 214, the compressor 13 in which the compressor wheel 33 is provided at one end in the axial direction of the rotating shaft 14, and the electric motor.
  • the electric supercharger 200 has an inverter 215 that drives and controls the 212.
  • a plurality of pipes 241,242 can be integrated and connected to the housing 211, and the size of the housing 211 and the processing work of the mounting surface 240 can be suppressed to increase the cost. Can be suppressed from increasing.
  • the lubricating oil supply pipe 61, the cooling water supply pipe 81, and the cooling water discharge pipe 82 as pipes are integrated and connected to the upper part of the housing 11.
  • the cooling water supply pipe 241 as a pipe and the cooling water discharge pipe 242 are integrated and connected to the upper part of the housing 211, but the present invention is not limited to this configuration.
  • only the cooling water supply pipe 81 and the cooling water discharge pipe 82 as pipes may be integrated and connected to the lower part of the housing 11.
  • the lubricating oil supply pipe 61 and the lubricating oil discharge pipe 62 as pipes are integrated and connected to the lower part of the housing 11, and in addition, the cooling water supply pipe 81 and the cooling water discharge pipe are connected.
  • the 82 may be integrated and connected to the lower part of the housing 11.
  • the mounting flange provided on the pipe is configured to be fastened to the housing by the fastening bolt 114, but the configuration is not limited to this.
  • the mounting flange provided on the pipe may be fixed to the housing by using the configuration of the contact portion 171b of the flange portion 171 and the recess 175 of the bearing housing 23 of the fourth embodiment. That is, the contact portion 171b and the recess 175 may be used instead of the fastening bolt 114 and the screw hole 115 of the first embodiment.
  • the mounting surfaces 101, 106, 107 of the bearing housing 23 are horizontal surfaces, but they may be inclined or curved surfaces.
  • the flow paths 51, 73, 74 may be orthogonal to the mounting surface or may be inclined. Further, when a plurality of flow paths 51, 73, 74 are provided on the mounting surface, mounting surfaces having different angles may be provided for each of the flow paths 51, 73, 74.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
PCT/JP2019/024342 2019-06-19 2019-06-19 過給機および過給機における配管の連結方法 Ceased WO2020255306A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US17/606,860 US12060892B2 (en) 2019-06-19 2019-06-19 Supercharger and method for connecting pipe in supercharger
CN201980095875.5A CN113785110B (zh) 2019-06-19 2019-06-19 增压器及增压器中的配管的连结方法
DE112019007479.2T DE112019007479B4 (de) 2019-06-19 2019-06-19 Auflader und verfahren zum verbinden von rohr in auflader
JP2021528544A JP7213344B2 (ja) 2019-06-19 2019-06-19 過給機および過給機における配管の連結方法
PCT/JP2019/024342 WO2020255306A1 (ja) 2019-06-19 2019-06-19 過給機および過給機における配管の連結方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/024342 WO2020255306A1 (ja) 2019-06-19 2019-06-19 過給機および過給機における配管の連結方法

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CN115142996B (zh) * 2022-07-25 2023-12-22 中国人民解放军海军工程大学 一种柴油机增压器中置空滤进气管顶置的装配结构
US20250198704A1 (en) * 2023-12-15 2025-06-19 Florida State University Research Foundation, Inc. Method for providing a rotating shaft into a high pressure, high temperature furnace
WO2025154202A1 (ja) * 2024-01-17 2025-07-24 日産自動車株式会社 配管支持フランジ

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57191422A (en) * 1981-05-19 1982-11-25 Honda Motor Co Ltd Lubricating device of supercharger
JPS619525U (ja) * 1984-06-21 1986-01-21 トヨタ自動車株式会社 内燃機関の吸気装置
JPS6282334U (https=) * 1985-11-12 1987-05-26
WO2005073610A1 (en) * 2004-02-02 2005-08-11 Eaton Corporation Method and structure for retaining a tube
JP2008115731A (ja) * 2006-11-02 2008-05-22 Toyota Motor Corp 電動駆動過給機冷却システム
JP2014202104A (ja) * 2013-04-02 2014-10-27 株式会社Ihi 過給機
DE102016101458A1 (de) * 2016-01-27 2017-07-27 Volkswagen Aktiengesellschaft Anordnung eines Fixierelements an einer Fluidleitung sowie Fixierelement
WO2018138014A1 (de) * 2017-01-27 2018-08-02 Bayerische Motoren Werke Aktiengesellschaft Turbolader für eine verbrennungskraftmaschine
WO2018144513A1 (en) * 2017-02-01 2018-08-09 Borgwarner Inc. Housing assembly for a turbocharger and method for fixing multiple connections to a housing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569527U (https=) 1979-06-28 1981-01-27
JPH0875074A (ja) * 1994-09-07 1996-03-19 Kayaba Ind Co Ltd ポンプ用サクションコネクター
JP3489332B2 (ja) 1996-05-22 2004-01-19 日産自動車株式会社 ターボチャージャのセンタハウジング
JP3821064B2 (ja) * 2002-07-01 2006-09-13 株式会社デンソー 配管継手構造およびその製造方法
JP2005215112A (ja) 2004-01-28 2005-08-11 Tokyo Ohka Kogyo Co Ltd ネガ型レジスト組成物、および、レジストパターン形成方法
US9206733B2 (en) * 2013-06-28 2015-12-08 GM Global Technology Operations LLC Turbocharger assembly with direct-mounted bearing housing
JP2020090899A (ja) * 2018-12-03 2020-06-11 株式会社豊田自動織機 電動過給機

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57191422A (en) * 1981-05-19 1982-11-25 Honda Motor Co Ltd Lubricating device of supercharger
JPS619525U (ja) * 1984-06-21 1986-01-21 トヨタ自動車株式会社 内燃機関の吸気装置
JPS6282334U (https=) * 1985-11-12 1987-05-26
WO2005073610A1 (en) * 2004-02-02 2005-08-11 Eaton Corporation Method and structure for retaining a tube
JP2008115731A (ja) * 2006-11-02 2008-05-22 Toyota Motor Corp 電動駆動過給機冷却システム
JP2014202104A (ja) * 2013-04-02 2014-10-27 株式会社Ihi 過給機
DE102016101458A1 (de) * 2016-01-27 2017-07-27 Volkswagen Aktiengesellschaft Anordnung eines Fixierelements an einer Fluidleitung sowie Fixierelement
WO2018138014A1 (de) * 2017-01-27 2018-08-02 Bayerische Motoren Werke Aktiengesellschaft Turbolader für eine verbrennungskraftmaschine
WO2018144513A1 (en) * 2017-02-01 2018-08-09 Borgwarner Inc. Housing assembly for a turbocharger and method for fixing multiple connections to a housing

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DE112019007479T5 (de) 2022-03-10
JPWO2020255306A1 (https=) 2020-12-24
CN113785110A (zh) 2021-12-10
US12060892B2 (en) 2024-08-13
CN113785110B (zh) 2023-09-19
DE112019007479B4 (de) 2024-05-29
US20220213900A1 (en) 2022-07-07
JP7213344B2 (ja) 2023-01-26

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