EP3612731A4 - Cooling tower axial fan in a hollowed disc/ring configuration - Google Patents
Cooling tower axial fan in a hollowed disc/ring configuration Download PDFInfo
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
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)
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)
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 |
GB0821823D0 (en) * | 2008-11-28 | 2009-01-07 | Truflo Air Movement Ltd | Fan assembly |
CN201307811Y (en) * | 2008-11-28 | 2009-09-09 | 宁国金鑫电机有限公司 | Inequilateral rotor fan |
CA2756303C (en) * | 2009-05-04 | 2018-08-14 | Delta T Corporation | Ceiling fan with variable blade pitch 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 |
JP6645986B2 (en) * | 2014-05-05 | 2020-02-14 | ホートン, インコーポレイテッド | 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 |
-
2018
- 2018-04-23 CN CN201880030912.XA patent/CN110892159B/en active Active
- 2018-04-23 EP EP18787749.3A patent/EP3612731A4/en active Pending
Patent Citations (3)
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)
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20191018 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20201127 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04D 29/10 20060101ALI20201123BHEP Ipc: F04D 29/32 20060101ALI20201123BHEP Ipc: F04D 19/00 20060101AFI20201123BHEP Ipc: F04D 29/66 20060101ALI20201123BHEP Ipc: F04D 29/64 20060101ALI20201123BHEP Ipc: F04D 29/34 20060101ALI20201123BHEP Ipc: F04D 29/16 20060101ALI20201123BHEP Ipc: B63H 1/20 20060101ALI20201123BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20220722 |