EP3612731A4 - Cooling tower axial fan in a hollowed disc/ring configuration - Google Patents

Cooling tower axial fan in a hollowed disc/ring configuration Download PDF

Info

Publication number
EP3612731A4
EP3612731A4 EP18787749.3A EP18787749A EP3612731A4 EP 3612731 A4 EP3612731 A4 EP 3612731A4 EP 18787749 A EP18787749 A EP 18787749A EP 3612731 A4 EP3612731 A4 EP 3612731A4
Authority
EP
European Patent Office
Prior art keywords
cooling tower
axial fan
ring configuration
tower axial
hollowed disc
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.)
Pending
Application number
EP18787749.3A
Other languages
German (de)
French (fr)
Other versions
EP3612731A1 (en
Inventor
Luigi Martini
Daniel Strauss
Ricardo DE ARAUJO PEREIRA ANDRADE
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.)
Evapco Inc
Original Assignee
Evapco Inc
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 Evapco Inc filed Critical Evapco Inc
Priority claimed from PCT/US2018/028884 external-priority patent/WO2018195539A1/en
Publication of EP3612731A1 publication Critical patent/EP3612731A1/en
Publication of EP3612731A4 publication Critical patent/EP3612731A4/en
Pending 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
    • 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
    • F04D29/329—Details of the hub
    • 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
    • F04D19/002—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
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
    • 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
    • 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
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • F05D2250/20—Three-dimensional
    • F05D2250/29—Three-dimensional machined; miscellaneous
    • F05D2250/291—Three-dimensional machined; miscellaneous hollowed
    • 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
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/31—Retaining bolts or nuts
EP18787749.3A 2017-04-21 2018-04-23 Cooling tower axial fan in a hollowed disc/ring configuration Pending EP3612731A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762488303P 2017-04-21 2017-04-21
PCT/US2018/028884 WO2018195539A1 (en) 2017-04-21 2018-04-23 Cooling tower axial fan in a hollowed disc/ring configuration

Publications (2)

Publication Number Publication Date
EP3612731A1 EP3612731A1 (en) 2020-02-26
EP3612731A4 true EP3612731A4 (en) 2020-12-30

Family

ID=69172186

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18787749.3A Pending EP3612731A4 (en) 2017-04-21 2018-04-23 Cooling tower axial fan in a hollowed disc/ring configuration

Country Status (2)

Country Link
EP (1) EP3612731A4 (en)
CN (1) CN110892159B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130189104A1 (en) * 2012-01-25 2013-07-25 Delta T Corporation Fan with resilient hub
WO2014210583A1 (en) * 2013-06-28 2014-12-31 Prime Datum, Inc. Load bearing, fan system with variable control
US20150211532A1 (en) * 2014-01-28 2015-07-30 4Front Engineered Solutions, Inc. Fan with fan blade mounting structure

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2247732Y (en) * 1995-12-07 1997-02-19 德州市跃华玻璃钢厂 Roof axial flow ventilator
CN201307811Y (en) * 2008-11-28 2009-09-09 宁国金鑫电机有限公司 Inequilateral rotor fan
GB0821823D0 (en) * 2008-11-28 2009-01-07 Truflo Air Movement Ltd Fan assembly
CN103026054B (en) * 2009-05-04 2015-09-16 德尔塔T公司 There is the ceiling fan of variable-vane joint square and variable speed control
CN101818747A (en) * 2010-03-24 2010-09-01 常熟市鼓风机有限公司 Matching structure of impeller and blade of textile fan
DE102010062301A1 (en) * 2010-12-01 2012-06-06 Behr Gmbh & Co. Kg Axial
CA2945652C (en) * 2014-05-05 2020-11-03 Horton, Inc. Composite fan
CN205478540U (en) * 2016-02-05 2016-08-17 广州市鑫风风机有限公司 Assembly structure of quick assembly and disassembly fan fan blade
US20180156230A1 (en) * 2016-12-06 2018-06-07 Caterpillar Inc. Fan Hub Stiffener

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130189104A1 (en) * 2012-01-25 2013-07-25 Delta T Corporation Fan with resilient hub
WO2014210583A1 (en) * 2013-06-28 2014-12-31 Prime Datum, Inc. Load bearing, fan system with variable control
US20150211532A1 (en) * 2014-01-28 2015-07-30 4Front Engineered Solutions, Inc. Fan with fan blade mounting structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018195539A1 *

Also Published As

Publication number Publication date
EP3612731A1 (en) 2020-02-26
CN110892159A (en) 2020-03-17
CN110892159B (en) 2022-05-03

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