IT202000001216A1 - Un diffusore con passo delle pale di diffusore non costante e turbomacchina centrifuga comprendente detto diffusore - Google Patents
Un diffusore con passo delle pale di diffusore non costante e turbomacchina centrifuga comprendente detto diffusoreInfo
- Publication number
- IT202000001216A1 IT202000001216A1 IT102020000001216A IT202000001216A IT202000001216A1 IT 202000001216 A1 IT202000001216 A1 IT 202000001216A1 IT 102020000001216 A IT102020000001216 A IT 102020000001216A IT 202000001216 A IT202000001216 A IT 202000001216A IT 202000001216 A1 IT202000001216 A1 IT 202000001216A1
- Authority
- IT
- Italy
- Prior art keywords
- diffuser
- constant
- turbomachine including
- centrifugal turbomachine
- blades pitch
- Prior art date
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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
- F04D29/444—Bladed diffusers
-
- 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
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
-
- 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
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
-
- 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
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
- F05D2260/961—Preventing, counteracting or reducing vibration or noise by mistuning rotor blades or stator vanes with irregular interblade spacing, airfoil shape
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102020000001216A IT202000001216A1 (it) | 2020-01-22 | 2020-01-22 | Un diffusore con passo delle pale di diffusore non costante e turbomacchina centrifuga comprendente detto diffusore |
EP21702362.1A EP4093977A1 (en) | 2020-01-22 | 2021-01-15 | A diffuser with non-constant diffuser vanes pitch and centrifugal turbomachine including said diffuser |
KR1020227025373A KR20220116295A (ko) | 2020-01-22 | 2021-01-15 | 일정하지 않은 디퓨저 베인 피치를 갖는 디퓨저 및 상기 디퓨저를 포함하는 원심 터보기계 |
CN202180007727.0A CN114901953A (zh) | 2020-01-22 | 2021-01-15 | 具有非恒定扩散器叶片节距的扩散器以及包括所述扩散器的离心式涡轮机 |
AU2021211077A AU2021211077B2 (en) | 2020-01-22 | 2021-01-15 | A diffuser with non-constant diffuser vanes pitch and centrifugal turbomachine including said diffuser |
PCT/EP2021/025010 WO2021148237A1 (en) | 2020-01-22 | 2021-01-15 | A diffuser with non-constant diffuser vanes pitch and centrifugal turbomachine including said diffuser |
US17/758,936 US20230042068A1 (en) | 2020-01-22 | 2021-01-15 | A diffuser with non-constant diffuser vanes pitch and centrifugal turbomachine including said diffuser |
CA3164549A CA3164549A1 (en) | 2020-01-22 | 2021-01-15 | A diffuser with non-constant diffuser vanes pitch and centrifugal turbomachine including said diffuser |
JP2022539680A JP7483010B2 (ja) | 2020-01-22 | 2021-01-15 | 非一定のディフューザベーンピッチを有するディフューザ及び当該ディフューザを含む遠心ターボ機械 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102020000001216A IT202000001216A1 (it) | 2020-01-22 | 2020-01-22 | Un diffusore con passo delle pale di diffusore non costante e turbomacchina centrifuga comprendente detto diffusore |
Publications (1)
Publication Number | Publication Date |
---|---|
IT202000001216A1 true IT202000001216A1 (it) | 2021-07-22 |
Family
ID=70155214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT102020000001216A IT202000001216A1 (it) | 2020-01-22 | 2020-01-22 | Un diffusore con passo delle pale di diffusore non costante e turbomacchina centrifuga comprendente detto diffusore |
Country Status (8)
Country | Link |
---|---|
US (1) | US20230042068A1 (it) |
EP (1) | EP4093977A1 (it) |
KR (1) | KR20220116295A (it) |
CN (1) | CN114901953A (it) |
AU (1) | AU2021211077B2 (it) |
CA (1) | CA3164549A1 (it) |
IT (1) | IT202000001216A1 (it) |
WO (1) | WO2021148237A1 (it) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3705307A1 (de) * | 1987-02-19 | 1988-09-01 | Kloeckner Humboldt Deutz Ag | Radialverdichter |
US5529457A (en) * | 1994-03-18 | 1996-06-25 | Hitachi, Ltd. | Centrifugal compressor |
JP2007315333A (ja) * | 2006-05-29 | 2007-12-06 | Hitachi Plant Technologies Ltd | 遠心流体機械 |
US7845900B2 (en) | 2007-07-12 | 2010-12-07 | Abb Turbo Systems Ag | Diffuser for centrifugal compressor |
WO2011096981A1 (en) | 2010-02-04 | 2011-08-11 | Cameron International Corporation | Non-periodic centrifugal compressor diffuser |
US20130280060A1 (en) * | 2012-04-23 | 2013-10-24 | Shakeel Nasir | Compressor diffuser having vanes with variable cross-sections |
WO2015197536A1 (de) * | 2014-06-24 | 2015-12-30 | Abb Turbo Systems Ag | Diffuser für radialverdichter |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5233436B2 (ja) * | 2008-06-23 | 2013-07-10 | 株式会社日立プラントテクノロジー | 羽根無しディフューザを備えた遠心圧縮機および羽根無しディフューザ |
CN103244462B (zh) * | 2012-02-14 | 2015-08-19 | 珠海格力电器股份有限公司 | 串列式叶片扩压器及其制造方法 |
CN112814945B (zh) * | 2015-04-30 | 2023-09-01 | 概创机械设计有限责任公司 | 扩散器中的偏置通路以及对应的设计该扩散器的方法 |
-
2020
- 2020-01-22 IT IT102020000001216A patent/IT202000001216A1/it unknown
-
2021
- 2021-01-15 WO PCT/EP2021/025010 patent/WO2021148237A1/en unknown
- 2021-01-15 EP EP21702362.1A patent/EP4093977A1/en active Pending
- 2021-01-15 CA CA3164549A patent/CA3164549A1/en active Pending
- 2021-01-15 US US17/758,936 patent/US20230042068A1/en active Pending
- 2021-01-15 AU AU2021211077A patent/AU2021211077B2/en active Active
- 2021-01-15 KR KR1020227025373A patent/KR20220116295A/ko not_active Application Discontinuation
- 2021-01-15 CN CN202180007727.0A patent/CN114901953A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3705307A1 (de) * | 1987-02-19 | 1988-09-01 | Kloeckner Humboldt Deutz Ag | Radialverdichter |
US5529457A (en) * | 1994-03-18 | 1996-06-25 | Hitachi, Ltd. | Centrifugal compressor |
JP2007315333A (ja) * | 2006-05-29 | 2007-12-06 | Hitachi Plant Technologies Ltd | 遠心流体機械 |
US7845900B2 (en) | 2007-07-12 | 2010-12-07 | Abb Turbo Systems Ag | Diffuser for centrifugal compressor |
WO2011096981A1 (en) | 2010-02-04 | 2011-08-11 | Cameron International Corporation | Non-periodic centrifugal compressor diffuser |
US20130280060A1 (en) * | 2012-04-23 | 2013-10-24 | Shakeel Nasir | Compressor diffuser having vanes with variable cross-sections |
WO2015197536A1 (de) * | 2014-06-24 | 2015-12-30 | Abb Turbo Systems Ag | Diffuser für radialverdichter |
Also Published As
Publication number | Publication date |
---|---|
AU2021211077A1 (en) | 2022-08-18 |
US20230042068A1 (en) | 2023-02-09 |
CN114901953A (zh) | 2022-08-12 |
CA3164549A1 (en) | 2021-07-29 |
EP4093977A1 (en) | 2022-11-30 |
AU2021211077B2 (en) | 2024-02-01 |
WO2021148237A1 (en) | 2021-07-29 |
KR20220116295A (ko) | 2022-08-22 |
JP2023509416A (ja) | 2023-03-08 |
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