JP7504481B2 - 改良型ダクトを備えるファン - Google Patents

改良型ダクトを備えるファン Download PDF

Info

Publication number
JP7504481B2
JP7504481B2 JP2021571695A JP2021571695A JP7504481B2 JP 7504481 B2 JP7504481 B2 JP 7504481B2 JP 2021571695 A JP2021571695 A JP 2021571695A JP 2021571695 A JP2021571695 A JP 2021571695A JP 7504481 B2 JP7504481 B2 JP 7504481B2
Authority
JP
Japan
Prior art keywords
annular seat
fan
rotor
duct
inner diameter
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.)
Active
Application number
JP2021571695A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022535821A5 (https=
JP2022535821A (ja
Inventor
エドゥアルド モシェヴィチ,ロベルト
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.)
Rem Holding Srl
Original Assignee
Rem Holding Srl
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 Rem Holding Srl filed Critical Rem Holding Srl
Publication of JP2022535821A publication Critical patent/JP2022535821A/ja
Publication of JP2022535821A5 publication Critical patent/JP2022535821A5/ja
Application granted granted Critical
Publication of JP7504481B2 publication Critical patent/JP7504481B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/16Sealings between pressure and suction sides
    • F04D29/161Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C11/00Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/001Shrouded propellers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C11/00Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16Blades
    • B64C11/18Aerodynamic features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38Blades
    • F04D29/384Blades characterised by form
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/52Casings; Connections of working fluid for axial pumps
    • F04D29/522Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526Details of the casing section radially opposing blade tips
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/52Casings; Connections of working fluid for axial pumps
    • F04D29/54Fluid-guiding means, e.g. diffusers
    • F04D29/541Specially adapted for elastic fluid pumps
    • F04D29/545Ducts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2210/00Working fluids
    • F05D2210/10Kind or type
    • F05D2210/12Kind or type gaseous, i.e. compressible
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00Components
    • F05D2240/20Rotors
    • F05D2240/30Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/307Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the tip of a rotor blade

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Cooling System (AREA)
JP2021571695A 2019-06-04 2020-05-07 改良型ダクトを備えるファン Active JP7504481B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT102019000007935 2019-06-04
IT102019000007935A IT201900007935A1 (it) 2019-06-04 2019-06-04 Ventilatore con virola migliorata
PCT/IB2020/054312 WO2020245674A1 (en) 2019-06-04 2020-05-07 Fan with improved duct

Publications (3)

Publication Number Publication Date
JP2022535821A JP2022535821A (ja) 2022-08-10
JP2022535821A5 JP2022535821A5 (https=) 2023-04-04
JP7504481B2 true JP7504481B2 (ja) 2024-06-24

Family

ID=67998681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021571695A Active JP7504481B2 (ja) 2019-06-04 2020-05-07 改良型ダクトを備えるファン

Country Status (18)

Country Link
US (1) US11802572B2 (https=)
EP (1) EP3980649B1 (https=)
JP (1) JP7504481B2 (https=)
KR (1) KR102842627B1 (https=)
CN (1) CN114245848B (https=)
AU (1) AU2020288384B2 (https=)
CO (1) CO2021016474A2 (https=)
ES (1) ES2968818T3 (https=)
FI (1) FI3980649T3 (https=)
IL (1) IL288614B2 (https=)
IT (1) IT201900007935A1 (https=)
MA (1) MA56094A (https=)
MX (1) MX2021014967A (https=)
PH (1) PH12021553031A1 (https=)
PL (1) PL3980649T3 (https=)
SA (1) SA521431006B1 (https=)
UA (1) UA128929C2 (https=)
WO (1) WO2020245674A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12071228B1 (en) * 2019-03-28 2024-08-27 Snap Inc. Drone with propeller guard configured as an airfoil
US11286955B2 (en) * 2019-10-11 2022-03-29 General Electric Company Ducted fan with fan casing defining an over-rotor cavity
IT202100014219A1 (it) 2021-05-31 2022-12-01 R E M Holding S R L Rotore e ventilatore assiale comprendenti una ventola accessoria
IT202300006966A1 (it) 2023-04-11 2024-10-11 R E M Patents S R L Ventilatore assiale comprendente una paratia all’estremità delle pale
WO2025220915A1 (ko) * 2024-04-16 2025-10-23 주식회사 메트로에어 수직 이착륙 비행 장치, 이의 기동 방법 및 조정 장치

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100068028A1 (en) 2006-12-29 2010-03-18 Carrier Corporation Reduced tip clearance losses in axial flow fans

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609053A (en) * 1946-10-31 1952-09-02 United Aircraft Corp Shrouded tail rotor
FR2719551B1 (fr) * 1994-05-04 1996-07-12 Eurocopter France Dispositif anti-couple à rotor et stator redresseur carénés, et à aubes redresseuses inclinées.
US6024537A (en) * 1997-07-29 2000-02-15 Valeo Engine Cooling, Inc. Axial flow fan
US6338609B1 (en) * 2000-02-18 2002-01-15 General Electric Company Convex compressor casing
KR100848569B1 (ko) * 2002-07-15 2008-07-25 한라공조주식회사 팬 쉬라우드
RU2232103C1 (ru) 2002-12-30 2004-07-10 Открытое Акционерное Общество "Московский Вертолетный Завод Им. М.Л.Миля" Боевой вертолет
JP4085948B2 (ja) * 2003-10-01 2008-05-14 株式会社デンソー 冷却ファンおよび送風機
US20100040458A1 (en) * 2006-12-28 2010-02-18 Carrier Corporation Axial fan casing design with circumferentially spaced wedges
FR2999151B1 (fr) 2012-12-07 2017-01-27 Snecma Pale d'helice pour turbomachine
DE102014111767A1 (de) * 2014-08-18 2016-02-18 Ebm-Papst Mulfingen Gmbh & Co. Kg Axialventilator
FR3034145B1 (fr) * 2015-03-26 2017-04-07 Snecma Etage de compresseur
CN109334952A (zh) * 2018-11-26 2019-02-15 南京航空航天大学 一种基于嵌入式涵道螺旋桨驱动的新型桨叶
DE102019220232B4 (de) * 2019-12-19 2026-01-08 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg Kühlerlüfter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100068028A1 (en) 2006-12-29 2010-03-18 Carrier Corporation Reduced tip clearance losses in axial flow fans

Also Published As

Publication number Publication date
PL3980649T3 (pl) 2024-05-06
CO2021016474A2 (es) 2022-01-17
US20220252080A1 (en) 2022-08-11
IL288614B2 (en) 2025-04-01
AU2020288384B2 (en) 2025-06-26
CN114245848A (zh) 2022-03-25
BR112021024479A2 (pt) 2022-01-18
WO2020245674A1 (en) 2020-12-10
UA128929C2 (uk) 2024-11-27
IT201900007935A1 (it) 2020-12-04
EP3980649A1 (en) 2022-04-13
SA521431006B1 (ar) 2024-07-31
MX2021014967A (es) 2022-04-06
IL288614A (en) 2022-02-01
AU2020288384A1 (en) 2022-01-20
KR102842627B1 (ko) 2025-08-05
EP3980649B1 (en) 2023-11-08
KR20220016878A (ko) 2022-02-10
FI3980649T3 (fi) 2024-01-12
US11802572B2 (en) 2023-10-31
ES2968818T3 (es) 2024-05-14
CN114245848B (zh) 2024-05-17
MA56094A (fr) 2022-04-13
CA3142393A1 (en) 2020-12-10
JP2022535821A (ja) 2022-08-10
IL288614B1 (en) 2024-12-01
PH12021553031A1 (en) 2023-08-23

Similar Documents

Publication Publication Date Title
JP7504481B2 (ja) 改良型ダクトを備えるファン
JP3528285B2 (ja) 軸流送風機
JP5430754B2 (ja) 軸流送風機
CN104903589B (zh) 利用机匣处理的有罩轴流风扇
US6024537A (en) Axial flow fan
US20080253896A1 (en) High efficiency fan blades with airflow-directing baffle elements
CN209041173U (zh) 一种可降低噪音提高风量的风扇扇叶
US20240286734A1 (en) Ultra-Wide-Chord Propeller
CN108953222B (zh) 一种离心叶轮
CN101135319A (zh) 螺旋桨式风扇
JP6381794B2 (ja) 軸流送風機
US3291381A (en) High energy axial flow apparatus
JP2662125B2 (ja) 軸流ファン
CA3142393C (en) Fan with improved duct
RU2811874C2 (ru) Вентилятор с усовершенствованным каналом
HK40064371A (en) Fan with improved duct
HK40064371B (en) Fan with improved duct
CN114704479A (zh) 一种用于平流层的离心风机
JP6188016B2 (ja) 遠心送風機
WO2018228066A1 (zh) 轴流风轮及空调器
CN109209989B (zh) 一种离心风扇及吸油烟机
CN220769776U (zh) 散热风扇用扇叶结构及散热风扇
BR112021024479B1 (pt) Hélice axial canalizada
KR102558158B1 (ko) 부분개방 측판을 갖는 전곡깃 원심 임펠러
JP2011241693A (ja) ポンプ水車

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230327

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230327

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20240118

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240123

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240411

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240507

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240605

R150 Certificate of patent or registration of utility model

Ref document number: 7504481

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350