JPWO2022260181A1 - - Google Patents

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Publication number
JPWO2022260181A1
JPWO2022260181A1 JP2022577415A JP2022577415A JPWO2022260181A1 JP WO2022260181 A1 JPWO2022260181 A1 JP WO2022260181A1 JP 2022577415 A JP2022577415 A JP 2022577415A JP 2022577415 A JP2022577415 A JP 2022577415A JP WO2022260181 A1 JPWO2022260181 A1 JP WO2022260181A1
Authority
JP
Japan
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.)
Granted
Application number
JP2022577415A
Other versions
JP7351424B2 (ja
JPWO2022260181A5 (ja
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.)
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Publication date
Application filed filed Critical
Publication of JPWO2022260181A1 publication Critical patent/JPWO2022260181A1/ja
Publication of JPWO2022260181A5 publication Critical patent/JPWO2022260181A5/ja
Priority to JP2023114252A priority Critical patent/JP2023145515A/ja
Application granted granted Critical
Publication of JP7351424B2 publication Critical patent/JP7351424B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D35/00—Vehicle bodies characterised by streamlining
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/10—Influencing flow of fluids around bodies of solid material
    • F15D1/12—Influencing flow of fluids around bodies of solid material by influencing the boundary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/002—Influencing flow of fluids by influencing the boundary layer
    • F15D1/0025—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply
    • F15D1/003—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/002—Influencing flow of fluids by influencing the boundary layer
    • F15D1/0025—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply
    • F15D1/003—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions
    • F15D1/0035—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions in the form of riblets
    • F15D1/0045—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions in the form of riblets oriented essentially perpendicular to the direction of flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/002—Influencing flow of fluids by influencing the boundary layer
    • F15D1/0025—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply
    • F15D1/003—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions
    • F15D1/005—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions in the form of dimples
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/002—Influencing flow of fluids by influencing the boundary layer
    • F15D1/0085—Methods of making characteristic surfaces for influencing the boundary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2029/00—Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals or derivatives thereof as moulding material
    • B29K2029/04—PVOH, i.e. polyvinyl alcohol
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Fuel Cell (AREA)
JP2022577415A 2021-06-10 2022-06-10 気体抵抗低減構造体、樹脂成形品、賦形型、および移動体 Active JP7351424B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023114252A JP2023145515A (ja) 2021-06-10 2023-07-12 気体抵抗低減構造体、樹脂成形品、賦形型、および移動体

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2021097164 2021-06-10
JP2021097162 2021-06-10
JP2021097164 2021-06-10
JP2021097165 2021-06-10
JP2021097165 2021-06-10
JP2021097162 2021-06-10
PCT/JP2022/023544 WO2022260181A1 (ja) 2021-06-10 2022-06-10 気体抵抗低減構造体、樹脂成形品、賦形型、および移動体

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023114252A Division JP2023145515A (ja) 2021-06-10 2023-07-12 気体抵抗低減構造体、樹脂成形品、賦形型、および移動体

Publications (3)

Publication Number Publication Date
JPWO2022260181A1 true JPWO2022260181A1 (ja) 2022-12-15
JPWO2022260181A5 JPWO2022260181A5 (ja) 2023-05-24
JP7351424B2 JP7351424B2 (ja) 2023-09-27

Family

ID=84425247

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022577415A Active JP7351424B2 (ja) 2021-06-10 2022-06-10 気体抵抗低減構造体、樹脂成形品、賦形型、および移動体
JP2023114252A Pending JP2023145515A (ja) 2021-06-10 2023-07-12 気体抵抗低減構造体、樹脂成形品、賦形型、および移動体

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2023114252A Pending JP2023145515A (ja) 2021-06-10 2023-07-12 気体抵抗低減構造体、樹脂成形品、賦形型、および移動体

Country Status (4)

Country Link
US (1) US20240280122A1 (ja)
EP (1) EP4353977A1 (ja)
JP (2) JP7351424B2 (ja)
WO (1) WO2022260181A1 (ja)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5361828A (en) * 1993-02-17 1994-11-08 General Electric Company Scaled heat transfer surface with protruding ramp surface turbulators
JPH1047315A (ja) * 1996-07-29 1998-02-17 Junichi Hirata 流体抵抗低減用品
JP2001050215A (ja) * 1999-08-11 2001-02-23 浩伸 ▲黒▼川 カルマン渦低減体
JP2010007846A (ja) * 2008-06-30 2010-01-14 Kitakyushu Foundation For The Advancement Of Industry Science & Technology 流動抵抗低減構造
JP2013057390A (ja) * 2011-09-09 2013-03-28 Yamaguchi Univ 壁面上の流れに対する渦発生器
US20140318657A1 (en) * 2013-04-30 2014-10-30 The Ohio State University Fluid conveying apparatus with low drag, anti-fouling flow surface and methods of making same
JP2016114203A (ja) * 2014-12-17 2016-06-23 株式会社東芝 流体摩擦抵抗低減皮膜および水力発電システム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010065841A (ja) 2008-09-12 2010-03-25 Toshikatsu Tanaka 物体表面に凹凸を付ける事による流体抵抗の軽減技術

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5361828A (en) * 1993-02-17 1994-11-08 General Electric Company Scaled heat transfer surface with protruding ramp surface turbulators
JPH1047315A (ja) * 1996-07-29 1998-02-17 Junichi Hirata 流体抵抗低減用品
JP2001050215A (ja) * 1999-08-11 2001-02-23 浩伸 ▲黒▼川 カルマン渦低減体
JP2010007846A (ja) * 2008-06-30 2010-01-14 Kitakyushu Foundation For The Advancement Of Industry Science & Technology 流動抵抗低減構造
JP2013057390A (ja) * 2011-09-09 2013-03-28 Yamaguchi Univ 壁面上の流れに対する渦発生器
US20140318657A1 (en) * 2013-04-30 2014-10-30 The Ohio State University Fluid conveying apparatus with low drag, anti-fouling flow surface and methods of making same
JP2016114203A (ja) * 2014-12-17 2016-06-23 株式会社東芝 流体摩擦抵抗低減皮膜および水力発電システム

Also Published As

Publication number Publication date
WO2022260181A1 (ja) 2022-12-15
US20240280122A1 (en) 2024-08-22
JP7351424B2 (ja) 2023-09-27
JP2023145515A (ja) 2023-10-11
EP4353977A1 (en) 2024-04-17

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