JPWO2021085588A1 - - Google Patents

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Publication number
JPWO2021085588A1
JPWO2021085588A1 JP2021553714A JP2021553714A JPWO2021085588A1 JP WO2021085588 A1 JPWO2021085588 A1 JP WO2021085588A1 JP 2021553714 A JP2021553714 A JP 2021553714A JP 2021553714 A JP2021553714 A JP 2021553714A JP WO2021085588 A1 JPWO2021085588 A1 JP WO2021085588A1
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
JP2021553714A
Other languages
Japanese (ja)
Other versions
JP7236171B2 (ja
JPWO2021085588A5 (enrdf_load_stackoverflow
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 JPWO2021085588A1 publication Critical patent/JPWO2021085588A1/ja
Publication of JPWO2021085588A5 publication Critical patent/JPWO2021085588A5/ja
Application granted granted Critical
Publication of JP7236171B2 publication Critical patent/JP7236171B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/26—Blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B64C11/08—Blade mountings for non-adjustable blades
    • B64C11/12—Blade mountings for non-adjustable blades flexible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B64C11/20—Constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/35—Rotors having elastomeric joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Toys (AREA)
JP2021553714A 2019-10-31 2020-10-30 プロペラ Active JP7236171B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019198143 2019-10-31
JP2019198143 2019-10-31
PCT/JP2020/040775 WO2021085588A1 (ja) 2019-10-31 2020-10-30 プロペラ

Publications (3)

Publication Number Publication Date
JPWO2021085588A1 true JPWO2021085588A1 (enrdf_load_stackoverflow) 2021-05-06
JPWO2021085588A5 JPWO2021085588A5 (enrdf_load_stackoverflow) 2022-07-28
JP7236171B2 JP7236171B2 (ja) 2023-03-09

Family

ID=75715198

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021553714A Active JP7236171B2 (ja) 2019-10-31 2020-10-30 プロペラ

Country Status (2)

Country Link
JP (1) JP7236171B2 (enrdf_load_stackoverflow)
WO (1) WO2021085588A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7664616B2 (ja) * 2021-06-11 2025-04-18 株式会社石井鐵工所 ドローン用プロペラのブレード
JP7713227B2 (ja) * 2021-09-10 2025-07-25 国立大学法人北陸先端科学技術大学院大学 ドローン及びドローンの制御装置
CN119568383A (zh) * 2024-09-29 2025-03-07 中国船舶集团有限公司第七一九研究所 一种可展开的环形螺旋桨及跨域航行器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5424200B1 (enrdf_load_stackoverflow) * 1969-05-20 1979-08-18
US4627791A (en) * 1982-11-10 1986-12-09 Marshall Andrew C Aeroelastically responsive composite propeller
US5108262A (en) * 1990-03-23 1992-04-28 The United States Of America As Represented By The Secretary Of The Navy High damping flexible propeller/impleller
US20160347441A1 (en) * 2015-06-01 2016-12-01 Northrop Grumman Systems Corporation Deployable propeller
US20180043988A1 (en) * 2016-08-09 2018-02-15 Gopro, Inc. Automated Variable Pitch Propeller Blade
JP2019104369A (ja) * 2017-12-12 2019-06-27 ホッティーポリマー株式会社 回転羽根及びその製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030145541A1 (en) * 2002-02-01 2003-08-07 Brightwell Lionel L. Scaffold plank end cap
US20190135419A1 (en) * 2017-11-03 2019-05-09 Vantage Robotics Llc Foldable unmaned aerial vehicle (uav)

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5424200B1 (enrdf_load_stackoverflow) * 1969-05-20 1979-08-18
US4627791A (en) * 1982-11-10 1986-12-09 Marshall Andrew C Aeroelastically responsive composite propeller
US5108262A (en) * 1990-03-23 1992-04-28 The United States Of America As Represented By The Secretary Of The Navy High damping flexible propeller/impleller
US20160347441A1 (en) * 2015-06-01 2016-12-01 Northrop Grumman Systems Corporation Deployable propeller
US20180043988A1 (en) * 2016-08-09 2018-02-15 Gopro, Inc. Automated Variable Pitch Propeller Blade
JP2019104369A (ja) * 2017-12-12 2019-06-27 ホッティーポリマー株式会社 回転羽根及びその製造方法

Also Published As

Publication number Publication date
WO2021085588A1 (ja) 2021-05-06
JP7236171B2 (ja) 2023-03-09

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