IL288614B2 - Fan with improved ducts - Google Patents

Fan with improved ducts

Info

Publication number
IL288614B2
IL288614B2 IL288614A IL28861421A IL288614B2 IL 288614 B2 IL288614 B2 IL 288614B2 IL 288614 A IL288614 A IL 288614A IL 28861421 A IL28861421 A IL 28861421A IL 288614 B2 IL288614 B2 IL 288614B2
Authority
IL
Israel
Prior art keywords
annular seat
fan
rotor
duct
inner diameter
Prior art date
Application number
IL288614A
Other languages
English (en)
Hebrew (he)
Other versions
IL288614A (en
IL288614B1 (en
Original Assignee
R E M Holding S R L
R E M Patents S R L
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 R E M Holding S R L, R E M Patents S R L filed Critical R E M Holding S R L
Publication of IL288614A publication Critical patent/IL288614A/en
Publication of IL288614B1 publication Critical patent/IL288614B1/en
Publication of IL288614B2 publication Critical patent/IL288614B2/en

Links

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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • 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
    • B64C11/001—Shrouded propellers
    • 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
    • B64C11/18—Aerodynamic 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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • 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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/384—Blades characterised by form
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • 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
    • F05D2210/00—Working fluids
    • F05D2210/10—Kind or type
    • F05D2210/12—Kind or type gaseous, i.e. compressible
    • 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
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/307—Characteristics 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)
IL288614A 2019-06-04 2020-05-07 Fan with improved ducts IL288614B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
IL288614A IL288614A (en) 2022-02-01
IL288614B1 IL288614B1 (en) 2024-12-01
IL288614B2 true IL288614B2 (en) 2025-04-01

Family

ID=67998681

Family Applications (1)

Application Number Title Priority Date Filing Date
IL288614A IL288614B2 (en) 2019-06-04 2020-05-07 Fan with improved ducts

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 (3)

* 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
US20100068028A1 (en) * 2006-12-29 2010-03-18 Carrier Corporation Reduced tip clearance losses in axial flow fans
US20170152854A1 (en) * 2014-08-18 2017-06-01 Ebm-Papst Mulfingen Gmbh & Co. Kg Axial fan

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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 (3)

* 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
US20100068028A1 (en) * 2006-12-29 2010-03-18 Carrier Corporation Reduced tip clearance losses in axial flow fans
US20170152854A1 (en) * 2014-08-18 2017-06-01 Ebm-Papst Mulfingen Gmbh & Co. Kg Axial fan

Also Published As

Publication number Publication date
PL3980649T3 (pl) 2024-05-06
CO2021016474A2 (es) 2022-01-17
US20220252080A1 (en) 2022-08-11
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
JP7504481B2 (ja) 2024-06-24
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

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