FR2393515A7 - Ventilateur perfectionne sous carter - Google Patents

Ventilateur perfectionne sous carter

Info

Publication number
FR2393515A7
FR2393515A7 FR7816239A FR7816239A FR2393515A7 FR 2393515 A7 FR2393515 A7 FR 2393515A7 FR 7816239 A FR7816239 A FR 7816239A FR 7816239 A FR7816239 A FR 7816239A FR 2393515 A7 FR2393515 A7 FR 2393515A7
Authority
FR
France
Prior art keywords
edge
neck
blades
perfected
shoulder
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.)
Expired
Application number
FR7816239A
Other languages
English (en)
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.)
Allware Agencies Ltd
Original Assignee
Allware Agencies 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 Allware Agencies Ltd filed Critical Allware Agencies Ltd
Application granted granted Critical
Publication of FR2393515A7 publication Critical patent/FR2393515A7/fr
Expired legal-status Critical Current

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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/03—Sheet metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Dans ce ventilateur l'ensemble de pales comporte plusieurs pales dont chacune présente une certaine forme dans un plan perpendiculaire à l'axe de rotation, cet ensemble étant tel que ladite forme comprend un col 6 reliant les pales 2, 3, 4, 5 à un moyeu 14 délimitant le centre de l'ensemble, un bord d'attaque 7 légèrement convexe s'étendant à partir du col 6, un bord d'extrémité externe convexe 8, un bord arrière 9 légèrement convexe et un épaulement 10 reliant le bord arrière 9 au col 6, le bord arrière 9 ayant une forte courbure au voisinage de l'épaulement 10 et une forte courbure décroissante au fur et à mesure que l'on se rapproche du bord d'extrémité externe le long dudit bord arrière 9.
FR7816239A 1977-05-31 1978-05-31 Ventilateur perfectionne sous carter Expired FR2393515A7 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/802,040 US4142844A (en) 1977-05-31 1977-05-31 Fan blade assemblies for box fans

Publications (1)

Publication Number Publication Date
FR2393515A7 true FR2393515A7 (fr) 1978-12-29

Family

ID=25182681

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7816239A Expired FR2393515A7 (fr) 1977-05-31 1978-05-31 Ventilateur perfectionne sous carter

Country Status (15)

Country Link
US (1) US4142844A (fr)
JP (1) JPS546607U (fr)
AR (1) AR219751A1 (fr)
AU (1) AU514472B2 (fr)
BR (1) BR7803456A (fr)
CA (1) CA1112222A (fr)
DE (1) DE7816332U1 (fr)
ES (1) ES236341Y (fr)
FR (1) FR2393515A7 (fr)
GB (2) GB1604099A (fr)
GR (1) GR62675B (fr)
IN (1) IN148751B (fr)
IT (1) IT7821972V0 (fr)
MX (1) MX145361A (fr)
ZA (1) ZA782783B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475158A1 (fr) * 1980-02-06 1981-08-07 Cofimco Sas Ventilateur axial a roue a aubes presentant une puissance de tirage accrue et comportant des aubes non torses
WO2011144679A1 (fr) * 2010-05-19 2011-11-24 Seb S.A. Pale d'hélice de ventilateur avec une partie plane et une partie incurvée

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671739A (en) * 1980-07-11 1987-06-09 Robert W. Read One piece molded fan
JPS6013994U (ja) * 1983-07-02 1985-01-30 マ−ベルト株式会社 多頭式型枠開閉装置
US4791713A (en) * 1985-10-15 1988-12-20 Airmaster Fan Company Fan blade fabrication system
US4826405A (en) * 1985-10-15 1989-05-02 Aeroquip Corporation Fan blade fabrication system
US4746271A (en) * 1987-03-25 1988-05-24 Hayes-Albion Corporation Synthetic fan blade
JPH062196B2 (ja) * 1988-06-27 1994-01-12 ジューキ株式会社 被縫製物の保持装置
DE9006174U1 (de) * 1990-05-31 1991-10-10 Papst-Motoren GmbH & Co KG, 7742 St Georgen Axiallüfter mit zylindrischem Außengehäuse
DE4020742A1 (de) * 1990-06-29 1992-01-02 Behr Gmbh & Co Laufrad fuer einen ventilator
ES1038510Y (es) * 1997-10-27 1999-01-01 Electromecanica Cata S A Extractor de aire encastrable.
US6814545B2 (en) * 2000-04-21 2004-11-09 Revcor, Inc. Fan blade
US6712584B2 (en) * 2000-04-21 2004-03-30 Revcor, Inc. Fan blade
US6565320B1 (en) * 2000-11-13 2003-05-20 Borgwarner, Inc. Molded cooling fan
US6942457B2 (en) * 2002-11-27 2005-09-13 Revcor, Inc. Fan assembly and method
JP4679074B2 (ja) * 2004-05-19 2011-04-27 アイシン化工株式会社 冷却ファン
WO2007064314A1 (fr) * 2005-11-29 2007-06-07 Revcor, Inc. Pale de ventilateur et ensemble de pales
US20070122287A1 (en) * 2005-11-29 2007-05-31 Pennington Donald R Fan blade assembly
US7713030B2 (en) * 2005-12-12 2010-05-11 International Business Machines Corporation Fan with improved heat dissipation
US20070269316A1 (en) * 2006-05-18 2007-11-22 Williams Andrew D Turbine blade with trailing edge cutback and method of making same
US20160003487A1 (en) * 2013-02-22 2016-01-07 Hitachi Appliances, Inc. Propeller Fan and Air Conditioner Equipped with the Same
WO2022192767A1 (fr) * 2021-03-12 2022-09-15 Milwaukee Electric Tool Corporation Ensemble ventilateur réglable

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1506937A (en) * 1923-03-09 1924-09-02 Tom Moore Blade
US1775863A (en) * 1928-11-19 1930-09-16 Arlow W Miner Carton
US2097389A (en) * 1932-07-07 1937-10-26 Mey Rene De Fan blade or the like
US2011821A (en) * 1933-08-28 1935-08-20 Federal Mogul Corp Propeller wheel
US1991095A (en) * 1933-10-14 1935-02-12 Westinghouse Electric & Mfg Co Silent pressure fan
US2023111A (en) * 1934-07-31 1935-12-03 Westinghouse Electric & Mfg Co Silent fan
US2212041A (en) * 1939-06-08 1940-08-20 Iig Electric Ventilating Compa Fan wheel
US2240597A (en) * 1939-06-13 1941-05-06 Westinghouse Electric & Mfg Co Fan blade
US2460902A (en) * 1945-03-09 1949-02-08 Vornado Trust Propeller
US2578806A (en) * 1949-06-04 1951-12-18 Johnson Lawrence Propeller
AU459701B2 (en) * 1968-10-25 1975-03-18 Electric fans

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475158A1 (fr) * 1980-02-06 1981-08-07 Cofimco Sas Ventilateur axial a roue a aubes presentant une puissance de tirage accrue et comportant des aubes non torses
WO2011144679A1 (fr) * 2010-05-19 2011-11-24 Seb S.A. Pale d'hélice de ventilateur avec une partie plane et une partie incurvée

Also Published As

Publication number Publication date
AU3269778A (en) 1979-08-02
CA1112222A (fr) 1981-11-10
IT7821972V0 (it) 1978-05-30
ES236341U (es) 1978-08-01
AR219751A1 (es) 1980-09-15
BR7803456A (pt) 1979-03-13
GB1604098A (en) 1981-12-02
DE7816332U1 (de) 1978-11-09
GR62675B (en) 1979-05-22
GB1604099A (en) 1981-12-02
US4142844A (en) 1979-03-06
MX145361A (es) 1982-01-27
JPS546607U (fr) 1979-01-17
AU514472B2 (en) 1981-02-12
ZA782783B (en) 1979-05-30
ES236341Y (es) 1978-12-01
IN148751B (fr) 1981-05-30

Similar Documents

Publication Publication Date Title
FR2393515A7 (fr) Ventilateur perfectionne sous carter
ES2192089T3 (es) Concentrador y conversor de energia solar.
SE8008388L (sv) Centrifugalpump
RU95119836A (ru) Вращающаяся режущая коронка
RU95108593A (ru) Сверло с многогранной вставкой
RU94026269A (ru) Устройство для бритья
DE69021076T2 (de) Gebläse mit mehrfach gekrümmten schaufeln mit abruptem übergang der krümmung.
DE68900252D1 (de) Hochleistungs-mantelpropellerblatt und mantelpropeller, der damit ausgeruestet ist zur verwendung als fenestron-heckrotor.
FR2592924A1 (fr) Dispositif de maintien en position d'une extremite d'un element mobile, entraine en rotation dans un tube et application a la prevention de l'encrassement et au nettoyage de ce tube.
FR2391021A1 (fr) Alesoir conique
USD342883S (en) Circular wave blade
USD262610S (en) Wind powered bicycle reflector
FR2379727A1 (fr) Dispositif d'accouplement fluidique presentant des caracteristiques perfectionnees de fonctionnement a l'etat debraye
ES2018303B3 (es) Clasificador de aletas
TR200002653A2 (tr) Burma yivlerin yapılmasına mahsus tertibat
US4147415A (en) Energy trap
ES2155647T3 (es) Bomba con dispositivo de corte.
FR2420861A1 (fr) Laser pompe par une source lumineuse pyrotechnique, servant de source lumineuse a un projectile
USD263287S (en) Combination reflector and lens
GB2005768A (en) A centrifugal pump
USD262735S (en) Fan
RU93030886A (ru) Осевой вентилятор
USD258814S (en) Combined flush mounted tow bar and brush guard
RU94000539A (ru) Ручной анемометр
SU1100435A1 (ru) Лопасть насоса