EP2775147A3 - A dual inlet extract fan assembly - Google Patents

A dual inlet extract fan assembly Download PDF

Info

Publication number
EP2775147A3
EP2775147A3 EP14157921.9A EP14157921A EP2775147A3 EP 2775147 A3 EP2775147 A3 EP 2775147A3 EP 14157921 A EP14157921 A EP 14157921A EP 2775147 A3 EP2775147 A3 EP 2775147A3
Authority
EP
European Patent Office
Prior art keywords
fan
housing
inlet
fan assembly
inlet opening
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.)
Granted
Application number
EP14157921.9A
Other languages
German (de)
French (fr)
Other versions
EP2775147A2 (en
EP2775147B1 (en
Inventor
Colin Biggs
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.)
Nuaire Ltd
Original Assignee
Nuaire 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 Nuaire Ltd filed Critical Nuaire Ltd
Publication of EP2775147A2 publication Critical patent/EP2775147A2/en
Publication of EP2775147A3 publication Critical patent/EP2775147A3/en
Application granted granted Critical
Publication of EP2775147B1 publication Critical patent/EP2775147B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D29/4206—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
    • 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
    • F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
    • 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
    • F04D29/4226—Fan casings
    • F04D29/424—Double entry casings
    • 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
    • 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
    • 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
    • F04D29/706—Humidity separation

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)

Abstract

An extract fan assembly (10) comprises a fan and fan housing (12). The fan housing (12) comprises a plurality of walls defining an enclosure for containing the fan having an inlet opening (14) at one end. A cover plate (18) is positioned to cover the inlet opening (14) and fixed relative to the housing (12) in a spaced location from the inlet opening (14). A first air inlet is defined by the space between the cover plate and the housing. A first airflow pathway extends between the first air inlet and the fan housing (12) via the inlet opening (14). The fan assembly (10) includes a second auxiliary inlet (28) and a second airflow pathway extending between the second air inlet and the fan housing (12) that allows the spacing between the cover plate (18) and the housing (12) to be reduced while maintaining the same inlet airflow.
EP14157921.9A 2013-03-05 2014-03-05 A dual inlet extract fan assembly Active EP2775147B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1303901.1A GB2511518B (en) 2013-03-05 2013-03-05 A dual inlet extract fan assembly

Publications (3)

Publication Number Publication Date
EP2775147A2 EP2775147A2 (en) 2014-09-10
EP2775147A3 true EP2775147A3 (en) 2014-12-03
EP2775147B1 EP2775147B1 (en) 2019-08-14

Family

ID=48142427

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14157921.9A Active EP2775147B1 (en) 2013-03-05 2014-03-05 A dual inlet extract fan assembly

Country Status (2)

Country Link
EP (1) EP2775147B1 (en)
GB (1) GB2511518B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106969458B (en) * 2017-04-24 2023-09-26 珠海格力电器股份有限公司 Heating humidifier water storage structure and humidifier
ES2769475B2 (en) * 2018-12-21 2021-10-21 Soler & Palau Res Sl DOUBLE AIR INLET EXTRACTOR

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB583557A (en) * 1944-10-26 1946-12-20 Joseph Cuthbert Akester Improvements in or relating to ventilating fan units
GB584398A (en) * 1944-08-16 1947-01-14 Greenwood S And Airvac Ventila Improvements in and relating to ventilators
CH682012A5 (en) * 1989-09-29 1993-06-30 Robert Spieldiener Motor driven bathroom ventilator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1247761A (en) * 1969-04-02 1971-09-29 Powrmatic Ltd Improvements in and relating to power ventilators

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB584398A (en) * 1944-08-16 1947-01-14 Greenwood S And Airvac Ventila Improvements in and relating to ventilators
GB583557A (en) * 1944-10-26 1946-12-20 Joseph Cuthbert Akester Improvements in or relating to ventilating fan units
CH682012A5 (en) * 1989-09-29 1993-06-30 Robert Spieldiener Motor driven bathroom ventilator

Also Published As

Publication number Publication date
EP2775147A2 (en) 2014-09-10
EP2775147B1 (en) 2019-08-14
GB2511518B (en) 2018-11-28
GB201303901D0 (en) 2013-04-17
GB2511518A (en) 2014-09-10

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