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GB1523884A - Mixed flow fans - Google Patents

Mixed flow fans

Info

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
Application number
GB1318775A
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.)
NU AIRE CONTRACTS Ltd
Original Assignee
NU AIRE CONTRACTS 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 NU AIRE CONTRACTS Ltd filed Critical NU AIRE CONTRACTS Ltd
Priority to GB1318775A priority Critical patent/GB1523884A/en
Publication of GB1523884A publication Critical patent/GB1523884A/en
Expired 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
    • F04D29/66—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.
GB1318775A 1976-02-26 1976-02-26 Mixed flow fans Expired GB1523884A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (6)

* Cited by examiner, † Cited by third party
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