FI74115C - Propeller - Google Patents

Propeller Download PDF

Info

Publication number
FI74115C
FI74115C FI810946A FI810946A FI74115C FI 74115 C FI74115 C FI 74115C FI 810946 A FI810946 A FI 810946A FI 810946 A FI810946 A FI 810946A FI 74115 C FI74115 C FI 74115C
Authority
FI
Finland
Prior art keywords
wing
propeller
sound
pressure side
vane
Prior art date
Application number
FI810946A
Other languages
English (en)
Finnish (fi)
Other versions
FI810946L (fi
FI74115B (fi
Inventor
Heikki Vartiala
Original Assignee
Foehn Oy
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
Priority to FI810946A priority Critical patent/FI74115C/sv
Application filed by Foehn Oy filed Critical Foehn Oy
Priority to AU83323/82A priority patent/AU8332382A/en
Priority to JP57501180A priority patent/JPS58500449A/ja
Priority to AT82901126T priority patent/ATE28497T1/de
Priority to PCT/FI1982/000011 priority patent/WO1982003430A1/en
Priority to EP82901126A priority patent/EP0086785B1/en
Priority to DE8282901126T priority patent/DE3276831D1/de
Publication of FI810946L publication Critical patent/FI810946L/fi
Priority to NO823967A priority patent/NO823967L/no
Application granted granted Critical
Publication of FI74115B publication Critical patent/FI74115B/fi
Publication of FI74115C publication Critical patent/FI74115C/sv

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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Hydrogenated Pyridines (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Claims (7)

1. En propeller för en axial pneumatisk fläkt omfattande en nav (1) och minst tvu fran navon radioi It utstaende vingar (2) med sned stiqninqsvinke1 (a), 15 varvid när pro pe 11 e rn rotetar i ett medium de n kant. av vingen som först möter mediet. är framkanten (3) och den motliggande kanten är bakkanten (4) och sidan som möter mediet är trycksidan (5) och motliagande sida är undertrycksidan (6), däri pa varje vinges fram-20 sida i vingens rotationsriktning delvis framför dennas framkant har placerats en fran naven radiellt utstaende, i huvudsak med vingen parallell och vingliknande främre spjäla (7) som tränger delvis in pä vingens undertryck-sida bildande en kanal (8) mellan frärnre spjälan och 25 vingen, kännetecknad av att delvis bakom varje vinges (2) baksida har placerats en fran naven (1) radiellt utstaende, i huvudsak med vingen parallell och vingliknande 1judskingringsribba (9) som bildar en kanal (10) mellan 1 judskingringsribban och vingen 30 och att den främre spjälan (7) samt 1judskingringsribban (9) är tunnare och smalare än vingen (2).
2. Propeller enligt patentkravet 1, k ä n -netecknadav att pä baksidan av varje vinges (2) 1 judskingringsribba (9) har placerats en annan, 35 eventuellt ett flertal 1judskingringsribbor (11), vilka sistnämnda är koncentriskä, i huvudsak parallel la med vingen och var och en bildar en kanal (12) mellan den
FI810946A 1981-03-27 1981-03-27 Propeller FI74115C (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI810946A FI74115C (sv) 1981-03-27 1981-03-27 Propeller
JP57501180A JPS58500449A (ja) 1981-03-27 1982-03-29 プロペラ
AT82901126T ATE28497T1 (de) 1981-03-27 1982-03-29 Schraube insbesondere fuer luefter.
PCT/FI1982/000011 WO1982003430A1 (en) 1981-03-27 1982-03-29 Propeller
AU83323/82A AU8332382A (en) 1981-03-27 1982-03-29 Propeller
EP82901126A EP0086785B1 (en) 1981-03-27 1982-03-29 Propeller particulary for pneumatic blower use
DE8282901126T DE3276831D1 (en) 1981-03-27 1982-03-29 Propeller particulary for pneumatic blower use
NO823967A NO823967L (no) 1981-03-27 1982-11-26 Propell.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI810946A FI74115C (sv) 1981-03-27 1981-03-27 Propeller
FI810946 1981-03-27

Publications (3)

Publication Number Publication Date
FI810946L FI810946L (fi) 1982-09-28
FI74115B FI74115B (fi) 1987-08-31
FI74115C true FI74115C (sv) 1987-12-10

Family

ID=8514260

Family Applications (1)

Application Number Title Priority Date Filing Date
FI810946A FI74115C (sv) 1981-03-27 1981-03-27 Propeller

Country Status (7)

Country Link
EP (1) EP0086785B1 (sv)
JP (1) JPS58500449A (sv)
AU (1) AU8332382A (sv)
DE (1) DE3276831D1 (sv)
FI (1) FI74115C (sv)
NO (1) NO823967L (sv)
WO (1) WO1982003430A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI85752C (sv) * 1989-05-02 1992-05-25 Heikki Vartiala Propeller
US5328330A (en) * 1993-08-02 1994-07-12 Hudson Products Corporation Extruded aluminum fan blade
DE102007024840A1 (de) * 2007-05-29 2008-12-04 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschinenschaufel mit Multi-Profil-Gestaltung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2045383A (en) * 1934-04-11 1936-06-23 Gen Regulator Corp Propeller
DE647287C (de) * 1934-10-24 1937-07-01 Walter Conrad Dipl Ing Dr Windkraftmaschine mit propelleraehnlichen, in der Windrichtung umklappbaren Windradfluegeln
FR973599A (fr) * 1941-10-06 1951-02-12 Compresseur
GB628263A (en) * 1943-06-01 1949-08-25 Louis Breguet Improvements in or relating to axial flow compressors
DE900372C (de) * 1951-09-09 1953-12-28 Babcock & Wilcox Dampfkessel W Laufrad mit verstellbaren Laufschaufeln fuer Radialgeblaese
US3075743A (en) * 1958-10-20 1963-01-29 Gen Dynamics Corp Turbo-machine with slotted blades
US3173604A (en) * 1962-02-15 1965-03-16 Gen Dynamics Corp Mixed flow turbo machine
DE1815291A1 (de) * 1968-12-18 1970-07-02 Gen Electric Angelenkte Schaufel mit Tragflaechenprofil insbesondere fuer Einlassleitschaufeln von Flugzeugkompressoren
US3627447A (en) * 1969-03-17 1971-12-14 United Aircraft Canada Radial turbines
GB1456020A (en) * 1972-12-06 1976-11-17 Lucas Industries Ltd Centrifugal pumps for liquids method of making a drained floor
US3958905A (en) * 1975-01-27 1976-05-25 Deere & Company Centrifugal compressor with indexed inducer section and pads for damping vibrations therein
JPS51123905A (en) * 1975-04-23 1976-10-29 Nissan Motor Co Ltd Fan

Also Published As

Publication number Publication date
DE3276831D1 (en) 1987-08-27
WO1982003430A1 (en) 1982-10-14
EP0086785A1 (en) 1983-08-31
JPS58500449A (ja) 1983-03-24
EP0086785B1 (en) 1987-07-22
FI810946L (fi) 1982-09-28
AU8332382A (en) 1982-10-19
NO823967L (no) 1982-11-26
FI74115B (fi) 1987-08-31

Similar Documents

Publication Publication Date Title
KR100566501B1 (ko) 송풍기 및 이를 이용한 공기조화기용 실외기
US5564901A (en) Low noise fan
FI74115C (sv) Propeller
JP3366265B2 (ja) 遠心送風機
EP0477650B1 (en) Vortex flow blower
JP2743594B2 (ja) 電動送風機
JP3235556B2 (ja) 送風機用羽根車
JP2902577B2 (ja) プロペラファン
JPH0442559B2 (sv)
JPS6361800A (ja) 軸流送風機
JP2753182B2 (ja) 軸流ファン
JP2000002197A (ja) プロペラファン
JPH03249400A (ja) 多翼送風機の羽根車
JPH0874791A (ja) 遠心圧縮機
JP4083259B2 (ja) 軸流ファン
JP3607769B2 (ja) 遠心形送風機
JP2956566B2 (ja) 送風機用羽根車
JP2000002194A (ja) プロペラファン
JP3161127B2 (ja) 送風装置
JP2929834B2 (ja) 遠心ファン
JP2776146B2 (ja) 軸流ファン
JPS6229799A (ja) 電動送風機
JP2707756B2 (ja) 電動送風機
KR100393563B1 (ko) 터보팬
JP3052591B2 (ja) 電動送風機のインペラ

Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: FOEHN OY