GB2568234B - Domestic ventilation fan with tapering projections for reducing turbulence - Google Patents

Domestic ventilation fan with tapering projections for reducing turbulence Download PDF

Info

Publication number
GB2568234B
GB2568234B GB1717842.7A GB201717842A GB2568234B GB 2568234 B GB2568234 B GB 2568234B GB 201717842 A GB201717842 A GB 201717842A GB 2568234 B GB2568234 B GB 2568234B
Authority
GB
United Kingdom
Prior art keywords
ventilation fan
reducing turbulence
tapering projections
domestic ventilation
domestic
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.)
Active
Application number
GB1717842.7A
Other versions
GB2568234A (en
GB201717842D0 (en
Inventor
Rahimi Darius
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.)
Zehnder Group Lenham Ltd
Original Assignee
Zehnder Group Lenham 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 Zehnder Group Lenham Ltd filed Critical Zehnder Group Lenham Ltd
Priority to GB1717842.7A priority Critical patent/GB2568234B/en
Publication of GB201717842D0 publication Critical patent/GB201717842D0/en
Priority to EP18807706.9A priority patent/EP3704385B1/en
Priority to PCT/IB2018/058508 priority patent/WO2019087078A1/en
Publication of GB2568234A publication Critical patent/GB2568234A/en
Application granted granted Critical
Publication of GB2568234B publication Critical patent/GB2568234B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • 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
    • F04D29/403—Casings; Connections of working fluid 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • 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
    • 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
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/06—Helico-centrifugal 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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • 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
    • F05D2250/23—Three-dimensional prismatic
    • F05D2250/232—Three-dimensional prismatic conical
    • 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
    • F05D2250/51—Inlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB1717842.7A 2017-10-30 2017-10-30 Domestic ventilation fan with tapering projections for reducing turbulence Active GB2568234B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1717842.7A GB2568234B (en) 2017-10-30 2017-10-30 Domestic ventilation fan with tapering projections for reducing turbulence
EP18807706.9A EP3704385B1 (en) 2017-10-30 2018-10-30 Fan
PCT/IB2018/058508 WO2019087078A1 (en) 2017-10-30 2018-10-30 Cover plate for a fan, impeller and fan therewith

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1717842.7A GB2568234B (en) 2017-10-30 2017-10-30 Domestic ventilation fan with tapering projections for reducing turbulence

Publications (3)

Publication Number Publication Date
GB201717842D0 GB201717842D0 (en) 2017-12-13
GB2568234A GB2568234A (en) 2019-05-15
GB2568234B true GB2568234B (en) 2021-12-08

Family

ID=60580288

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1717842.7A Active GB2568234B (en) 2017-10-30 2017-10-30 Domestic ventilation fan with tapering projections for reducing turbulence

Country Status (3)

Country Link
EP (1) EP3704385B1 (en)
GB (1) GB2568234B (en)
WO (1) WO2019087078A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108444028B (en) * 2018-04-03 2023-09-08 同济大学 Two-way reverse radian boundary layer separation-free fan outlet flow guiding device
WO2021164567A1 (en) * 2020-02-19 2021-08-26 应辉 Fan
CN111637530B (en) * 2020-06-03 2021-11-09 Tcl空调器(中山)有限公司 Volute tongue, air conditioner indoor unit and air conditioner
CN112032083B (en) * 2020-09-04 2021-06-01 浙江上风高科专风实业股份有限公司 Large-air-volume energy-saving silencing type induction fan

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04324045A (en) * 1991-04-24 1992-11-13 Mitsubishi Electric Corp Ventilation device
JP2008190781A (en) * 2007-02-05 2008-08-21 Mitsubishi Electric Corp Ventilating device
JP2008275192A (en) * 2007-04-25 2008-11-13 Mitsubishi Electric Corp Ventilation device
EP2666989A1 (en) * 2011-01-19 2013-11-27 Mitsubishi Heavy Industries, Ltd. Supercharger and diesel engine provided with same
WO2016092897A1 (en) * 2014-12-09 2016-06-16 三菱重工業株式会社 Sound absorbing device, centrifugal compressor, and supercharger
CN205842941U (en) * 2016-07-11 2016-12-28 南京工业大学 Power module of mixed smoke exhaust and ventilation system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2504940Y2 (en) * 1990-04-16 1996-07-24 三菱電機株式会社 Ventilation equipment
JP4074891B2 (en) * 2001-10-05 2008-04-16 ハスクバーナ・ゼノア株式会社 General blower
WO2013181904A1 (en) * 2012-06-07 2013-12-12 美的集团股份有限公司 Oblique flow fan, oblique flow blower and air conditioning indoor unit having same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04324045A (en) * 1991-04-24 1992-11-13 Mitsubishi Electric Corp Ventilation device
JP2008190781A (en) * 2007-02-05 2008-08-21 Mitsubishi Electric Corp Ventilating device
JP2008275192A (en) * 2007-04-25 2008-11-13 Mitsubishi Electric Corp Ventilation device
EP2666989A1 (en) * 2011-01-19 2013-11-27 Mitsubishi Heavy Industries, Ltd. Supercharger and diesel engine provided with same
WO2016092897A1 (en) * 2014-12-09 2016-06-16 三菱重工業株式会社 Sound absorbing device, centrifugal compressor, and supercharger
CN205842941U (en) * 2016-07-11 2016-12-28 南京工业大学 Power module of mixed smoke exhaust and ventilation system

Also Published As

Publication number Publication date
EP3704385A1 (en) 2020-09-09
GB2568234A (en) 2019-05-15
EP3704385B1 (en) 2023-06-07
GB201717842D0 (en) 2017-12-13
WO2019087078A1 (en) 2019-05-09

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Free format text: REGISTERED BETWEEN 20220106 AND 20220112