GB2545767B - Contra-rotating axial-flow fan - Google Patents

Contra-rotating axial-flow fan

Info

Publication number
GB2545767B
GB2545767B GB1614080.8A GB201614080A GB2545767B GB 2545767 B GB2545767 B GB 2545767B GB 201614080 A GB201614080 A GB 201614080A GB 2545767 B GB2545767 B GB 2545767B
Authority
GB
United Kingdom
Prior art keywords
contra
flow fan
rotating axial
axial
rotating
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 - Fee Related
Application number
GB1614080.8A
Other versions
GB2545767A (en
GB201614080D0 (en
Inventor
Chen Xin
Wang Yong
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.)
Beijing Toozen Lab Tech Co Ltd
Original Assignee
Beijing Toozen Lab Tech 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
Application filed by Beijing Toozen Lab Tech Co Ltd filed Critical Beijing Toozen Lab Tech Co Ltd
Publication of GB201614080D0 publication Critical patent/GB201614080D0/en
Publication of GB2545767A publication Critical patent/GB2545767A/en
Application granted granted Critical
Publication of GB2545767B publication Critical patent/GB2545767B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/024—Multi-stage pumps with contrarotating parts
    • 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
    • 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
    • F05D2240/303—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 leading edge of a rotor blade
    • 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
    • F05D2240/304—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 trailing edge of a rotor blade
    • 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
    • F05D2240/305—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 pressure side of a rotor blade
    • 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
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05D2250/311—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being in line

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
GB1614080.8A 2015-09-28 2015-10-06 Contra-rotating axial-flow fan Expired - Fee Related GB2545767B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510623901.0A CN105257596B (en) 2015-09-28 2015-09-28 Wing shaped blade of high-pressure axial fan and Counter rotating axial flow Fan thereof
GB1517638.1A GB2543062B (en) 2015-09-28 2015-10-06 Improved high-pressure axial-flow fan blade and contra-rotating axial-flow fan having the same

Publications (3)

Publication Number Publication Date
GB201614080D0 GB201614080D0 (en) 2016-09-28
GB2545767A GB2545767A (en) 2017-06-28
GB2545767B true GB2545767B (en) 2018-01-10

Family

ID=55097462

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1517638.1A Expired - Fee Related GB2543062B (en) 2015-09-28 2015-10-06 Improved high-pressure axial-flow fan blade and contra-rotating axial-flow fan having the same
GB1614080.8A Expired - Fee Related GB2545767B (en) 2015-09-28 2015-10-06 Contra-rotating axial-flow fan

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1517638.1A Expired - Fee Related GB2543062B (en) 2015-09-28 2015-10-06 Improved high-pressure axial-flow fan blade and contra-rotating axial-flow fan having the same

Country Status (4)

Country Link
CN (1) CN105257596B (en)
GB (2) GB2543062B (en)
TW (1) TWI638101B (en)
WO (1) WO2017054387A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105257596B (en) * 2015-09-28 2016-06-15 北京图正实验室科技有限公司 Wing shaped blade of high-pressure axial fan and Counter rotating axial flow Fan thereof
CN107701508A (en) * 2017-10-31 2018-02-16 广东飞鹿电器有限公司 A kind of flabellum of industrial electric fan
JP7155807B2 (en) 2018-09-25 2022-10-19 日本電産株式会社 blower
CN114526253B (en) * 2022-04-24 2022-07-05 佛山市南海九洲普惠风机有限公司 Small boiler draught fan

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2443754A1 (en) * 1974-09-13 1976-03-25 Korfmann Gmbh Maschf Axial flow fan with pneumatic drive - by standard air motor co-axially secured in fan casing
CA1199170A (en) * 1982-12-08 1986-01-14 Sheldon Affleck Grain aeration fan
JPH0363440A (en) * 1989-08-02 1991-03-19 Mitsubishi Electric Corp Counter rotating fan type ventilator
CN2260907Y (en) * 1996-02-02 1997-08-27 北京当代复合材料有限公司 Two-driection disrotatory fan
CN201013646Y (en) * 2006-11-13 2008-01-30 湖北赛福机械有限公司 Impeller shaft coupling device of disrotatory axial-flow ventilating fan
CN102367805A (en) * 2011-09-14 2012-03-07 大连汇通科技发展有限公司 Counter-rotating fan

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB134636A (en) * 1918-11-12 1919-11-12 John Armstrong Young Improvements in or relating to Propellers.
GB502704A (en) * 1937-11-01 1939-03-23 Thomas Dever Spencer Improvements in fan impellers and blades therefor
US2682925A (en) * 1950-01-19 1954-07-06 Solar Aircraft Co Aerodynamic improvement in fan blades
FR1368753A (en) * 1963-02-06 1964-08-07 Process for making wings and propellers, in particular for air and sea vehicles, as well as wings, propellers and profiled surfaces obtained by implementing this process or a similar process
JPH0821398A (en) * 1994-07-08 1996-01-23 Ishikawajima Harima Heavy Ind Co Ltd Rotor blade of compressor
CN2566461Y (en) * 2002-07-25 2003-08-13 英业达股份有限公司 Modular radiating fan structure
CN2634159Y (en) * 2003-08-12 2004-08-18 王加龙 Novel transformer cooling fan
GB0526182D0 (en) * 2005-12-22 2006-02-01 Watts Alan E Propeller
EP2304225B1 (en) * 2008-04-14 2015-10-14 Atlantis Resources Corporation Pte Limited Blade for a water turbine
CN102003412B (en) * 2010-12-03 2014-04-02 陈新 Wing shaped blade of high-pressure axial fan
CN102003410B (en) * 2010-12-03 2014-06-18 陈新 High-voltage axial flow fan
CN202560640U (en) * 2012-05-28 2012-11-28 浙江上风实业股份有限公司 Unidirectional type metro fan forging aluminum blade
WO2015029245A1 (en) * 2013-09-02 2015-03-05 三菱電機株式会社 Propeller fan, air-blowing device, and outdoor unit
CN105257596B (en) * 2015-09-28 2016-06-15 北京图正实验室科技有限公司 Wing shaped blade of high-pressure axial fan and Counter rotating axial flow Fan thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2443754A1 (en) * 1974-09-13 1976-03-25 Korfmann Gmbh Maschf Axial flow fan with pneumatic drive - by standard air motor co-axially secured in fan casing
CA1199170A (en) * 1982-12-08 1986-01-14 Sheldon Affleck Grain aeration fan
JPH0363440A (en) * 1989-08-02 1991-03-19 Mitsubishi Electric Corp Counter rotating fan type ventilator
CN2260907Y (en) * 1996-02-02 1997-08-27 北京当代复合材料有限公司 Two-driection disrotatory fan
CN201013646Y (en) * 2006-11-13 2008-01-30 湖北赛福机械有限公司 Impeller shaft coupling device of disrotatory axial-flow ventilating fan
CN102367805A (en) * 2011-09-14 2012-03-07 大连汇通科技发展有限公司 Counter-rotating fan

Also Published As

Publication number Publication date
GB2545767A (en) 2017-06-28
CN105257596A (en) 2016-01-20
GB2543062B (en) 2017-10-04
GB201614080D0 (en) 2016-09-28
WO2017054387A1 (en) 2017-04-06
TW201712233A (en) 2017-04-01
TWI638101B (en) 2018-10-11
GB201517638D0 (en) 2015-11-18
CN105257596B (en) 2016-06-15
GB2543062A (en) 2017-04-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20191006