ZA847898B - Axial flow fan - Google Patents

Axial flow fan

Info

Publication number
ZA847898B
ZA847898B ZA847898A ZA847898A ZA847898B ZA 847898 B ZA847898 B ZA 847898B ZA 847898 A ZA847898 A ZA 847898A ZA 847898 A ZA847898 A ZA 847898A ZA 847898 B ZA847898 B ZA 847898B
Authority
ZA
South Africa
Prior art keywords
axial flow
flow fan
fan
axial
flow
Prior art date
Application number
ZA847898A
Other languages
English (en)
Inventor
Jean H De La Harpe
Original Assignee
Howden James & Co 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8191316&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA847898(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Howden James & Co Ltd filed Critical Howden James & Co Ltd
Publication of ZA847898B publication Critical patent/ZA847898B/xx

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
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • F04D29/362—Blade mountings adjustable during rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D7/00—Rotors with blades adjustable in operation; Control thereof
    • 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
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • 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
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
ZA847898A 1983-10-14 1984-10-09 Axial flow fan ZA847898B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83306249A EP0137873B1 (en) 1983-10-14 1983-10-14 Variable pitch axial flow fan

Publications (1)

Publication Number Publication Date
ZA847898B true ZA847898B (en) 1985-06-26

Family

ID=8191316

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA847898A ZA847898B (en) 1983-10-14 1984-10-09 Axial flow fan

Country Status (6)

Country Link
US (1) US4630999A (da)
EP (1) EP0137873B1 (da)
AU (1) AU566957B2 (da)
DE (1) DE3366618D1 (da)
DK (1) DK489784A (da)
ZA (1) ZA847898B (da)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201731B (en) * 1987-03-03 1990-08-29 Rolls Royce Plc Fan casing and fan blade loading/unloading
US5129786A (en) * 1990-11-08 1992-07-14 United Technologies Corporation Variable pitch pan blade retention arrangement
US6712584B2 (en) * 2000-04-21 2004-03-30 Revcor, Inc. Fan blade
US6814545B2 (en) * 2000-04-21 2004-11-09 Revcor, Inc. Fan blade
US6682308B1 (en) 2002-08-01 2004-01-27 Kaz, Inc. Fan with adjustable mount
US6942457B2 (en) * 2002-11-27 2005-09-13 Revcor, Inc. Fan assembly and method
US7214035B2 (en) * 2005-02-18 2007-05-08 Mario Bussières Rotor for a turbomachine
DE102005060433A1 (de) * 2005-12-15 2007-06-21 Tlt-Turbo Gmbh Axialventilator mit verstellbaren Flügeln und Verfahren zur Montage der Flügel
FR2908451B1 (fr) 2006-11-09 2009-03-20 Snecma Sa Turbopropulseur comportant un ensemble de pales a orientation reglable
DE102007059558A1 (de) * 2007-12-11 2009-06-18 Robert Bosch Gmbh Gewindespindel-Verstellantrieb
US9863250B2 (en) * 2010-02-24 2018-01-09 United Technologies Corporation Fastener aperture having an elongated geometry
FR2992677B1 (fr) * 2012-07-02 2016-03-18 Snecma Moyeu pour logement radial d'anneau d'helice de turbomachine a pales a calage variable et assemblage comportant un tel moyeu
CN103727062A (zh) * 2013-12-13 2014-04-16 湖北省风机厂有限公司 一种轴流风机动叶片调节装置
GB2527297B (en) * 2014-06-16 2016-08-17 Rolls Royce Plc An assembly
CN104763686B (zh) * 2015-02-14 2017-05-31 溧阳市超强链条制造有限公司 一种动叶可调轴流风机安装用工装
CN107061362B (zh) * 2017-01-16 2019-08-09 太原理工大学 一种对旋轴流式风机
US10465701B2 (en) * 2017-04-21 2019-11-05 United Technologies Corporation Variable pitch fan blade system
US10934866B2 (en) 2017-06-20 2021-03-02 Rolls-Royce North American Technologies Inc. Variable pitch change control method
US10473111B2 (en) 2017-10-18 2019-11-12 Rolls-Royce Corporation Variable pitch fan for a gas turbine engine

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA495335A (en) * 1953-08-18 K. Thompson John Adjustable and variable pitch fans
US1927592A (en) * 1932-05-24 1933-09-19 Lambert Chandley William Propeller hub
FR779013A (fr) * 1933-12-16 1935-03-28 Dispositif de pale à incidence variable et réversible en vol, pour hélice aérienne
US2080540A (en) * 1936-08-22 1937-05-18 Isaac Otto Propeller
GB637238A (en) * 1947-01-20 1950-05-17 Rotol Ltd Improvements in or relating to variable-pitch propellers
FR1008184A (fr) * 1950-01-10 1952-05-14 & De Construction De Moteurs D Perfectionnement au dispositif de montage des pieds de pales d'hélices
BE508790A (da) * 1951-02-01
FR1059705A (fr) * 1951-07-13 1954-03-26 Svenska Flaektfabriken Ab Dispositif pour le renversement des ailettes d'un ventilateur
US2844303A (en) * 1952-08-27 1958-07-22 Nordisk Ventilator Axial blowers or fans
DEH19283B (de) 1954-02-12 1956-12-13 Rudolf Hingst Verstellpropeller, insbesondere Saugzugpropeller mit auswechselbaren, in der Propellernabe drehbar gelagerten Flügeln
DE1088658B (de) * 1954-10-02 1960-09-08 Demag Ag Schaufelbefestigung bei Axialstroemungsmaschinen
AT232635B (de) 1962-08-17 1964-03-25 Simmering Graz Pauker Ag Laufradschaufelbefestigung für eine Axial-Turbomaschine mit Verstellschaufeln
FR1555814A (da) * 1967-12-12 1969-01-31
JPS5223709A (en) * 1975-08-19 1977-02-22 Mitsubishi Heavy Ind Ltd Refrigerating method of movable blower bearing for high-temperature ga s compressed delivery blade
AU519256B2 (en) * 1977-05-17 1981-11-19 Svanska Flakfabriken A.B. Pitch changing mechanism for axial-flow fan

Also Published As

Publication number Publication date
US4630999A (en) 1986-12-23
DE3366618D1 (en) 1986-11-06
DK489784A (da) 1985-04-15
AU3382684A (en) 1985-04-18
AU566957B2 (en) 1987-11-05
DK489784D0 (da) 1984-10-12
EP0137873B1 (en) 1986-10-01
EP0137873A1 (en) 1985-04-24

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