GB1523884A - Mixed flow fans - Google Patents
Mixed flow fansInfo
- Publication number
- GB1523884A GB1523884A GB1318775A GB1318775A GB1523884A GB 1523884 A GB1523884 A GB 1523884A GB 1318775 A GB1318775 A GB 1318775A GB 1318775 A GB1318775 A GB 1318775A GB 1523884 A GB1523884 A GB 1523884A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mixed flow
- flow fans
- blades
- hub
- fans
- 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
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
- F04D29/66—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
1523884 Mixed flow fans NU-AIRE (CONTRACTS) Ltd 26 Feb 1976 [1 April 1975] 13187/75 Heading F1C The blades of a mixed flow fan are asymmetrically angularly positioned around the hub to reduce vibration/noise, their positions being such that no two blades lie in the same plane containing the hub axis.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1318775A GB1523884A (en) | 1976-02-26 | 1976-02-26 | Mixed flow fans |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1318775A GB1523884A (en) | 1976-02-26 | 1976-02-26 | Mixed flow fans |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1523884A true GB1523884A (en) | 1978-09-06 |
Family
ID=10018440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1318775A Expired GB1523884A (en) | 1976-02-26 | 1976-02-26 | Mixed flow fans |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1523884A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4253800A (en) * | 1978-08-12 | 1981-03-03 | Hitachi, Ltd. | Wheel or rotor with a plurality of blades |
US4474534A (en) * | 1982-05-17 | 1984-10-02 | General Dynamics Corp. | Axial flow fan |
US5000660A (en) * | 1989-08-11 | 1991-03-19 | Airflow Research And Manufacturing Corporation | Variable skew fan |
EP1617042A3 (en) * | 2004-07-15 | 2011-12-14 | Rolls-Royce Plc | Noise control |
CN106194831A (en) * | 2016-09-14 | 2016-12-07 | 珠海格力电器股份有限公司 | Fan blade assembly and fan |
-
1976
- 1976-02-26 GB GB1318775A patent/GB1523884A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4253800A (en) * | 1978-08-12 | 1981-03-03 | Hitachi, Ltd. | Wheel or rotor with a plurality of blades |
US4474534A (en) * | 1982-05-17 | 1984-10-02 | General Dynamics Corp. | Axial flow fan |
US5000660A (en) * | 1989-08-11 | 1991-03-19 | Airflow Research And Manufacturing Corporation | Variable skew fan |
EP1617042A3 (en) * | 2004-07-15 | 2011-12-14 | Rolls-Royce Plc | Noise control |
CN106194831A (en) * | 2016-09-14 | 2016-12-07 | 珠海格力电器股份有限公司 | Fan blade assembly and fan |
CN106194831B (en) * | 2016-09-14 | 2019-05-07 | 珠海格力电器股份有限公司 | Fan blade assembly and fan |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19960225 |