DK0705983T3 - Roof fan - Google Patents

Roof fan

Info

Publication number
DK0705983T3
DK0705983T3 DK95202643T DK95202643T DK0705983T3 DK 0705983 T3 DK0705983 T3 DK 0705983T3 DK 95202643 T DK95202643 T DK 95202643T DK 95202643 T DK95202643 T DK 95202643T DK 0705983 T3 DK0705983 T3 DK 0705983T3
Authority
DK
Denmark
Prior art keywords
fan
air flow
roof
carried along
air
Prior art date
Application number
DK95202643T
Other languages
Danish (da)
Inventor
Paulus S W Jansen
Original Assignee
Stork J E Ventilatoren Bv
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 Stork J E Ventilatoren Bv filed Critical Stork J E Ventilatoren Bv
Application granted granted Critical
Publication of DK0705983T3 publication Critical patent/DK0705983T3/en

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Glass Compositions (AREA)
  • Seal Device For Vehicle (AREA)
  • Building Environments (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Packages (AREA)

Abstract

The invention relates to a fan adapted for placing on the roof of a building. Roof fans are known which blow substantially vertically, while fans are also commercially available which have a substantially horizontal, radial outflow pattern. The fan according to the invention now has the feature that the fan is constructed such that the air blown to the outside has both a considerable horizontal and a considerable vertical directional component. Due to the angle at which the outflowing air is displaced, ambient air is carried along through so-called "induction". An air flow will for instance be created which travels downward from above in the direction of the fan, is then deflected and carried along by the obliquely blowing air flow. Also occurring along the roof in the direction of the fan is an air flow which will deflect in the vicinity of the fan to be then carried along in the direction of the obliquely blowing air flow. <IMAGE>
DK95202643T 1994-09-30 1995-10-02 Roof fan DK0705983T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9401607 1994-09-30
NL1000137A NL1000137C2 (en) 1994-09-30 1995-04-12 Roof fan.

Publications (1)

Publication Number Publication Date
DK0705983T3 true DK0705983T3 (en) 2002-08-05

Family

ID=26642035

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95202643T DK0705983T3 (en) 1994-09-30 1995-10-02 Roof fan

Country Status (7)

Country Link
EP (1) EP0705983B1 (en)
AT (1) ATE216466T1 (en)
DE (1) DE69526402T2 (en)
DK (1) DK0705983T3 (en)
ES (1) ES2171496T3 (en)
NL (1) NL1000137C2 (en)
PT (1) PT705983E (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU747772B2 (en) * 1998-09-17 2002-05-23 Jonathan Kim Dartnall Heat transfer system
AUPP600298A0 (en) * 1998-09-17 1998-10-08 Dartnall, Jonathan Kim Heat transfer system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2332552A (en) * 1943-03-24 1943-10-26 John T Belanger Roof fan ventilator
US2439124A (en) * 1944-09-26 1948-04-06 Westinghouse Electric Corp Centrifugal fan
GB583557A (en) * 1944-10-26 1946-12-20 Joseph Cuthbert Akester Improvements in or relating to ventilating fan units
GB1115792A (en) * 1964-06-22 1968-05-29 Colt Ventilation & Heating Ltd Improvements in or relating to ventilators
DE3438710C2 (en) * 1984-10-23 1986-11-27 Wilhelm Gebhardt Gmbh, 7112 Waldenburg Roof fan
US4890547A (en) * 1989-01-27 1990-01-02 Carnes Company, Inc. Ventilator scroll arrangement

Also Published As

Publication number Publication date
EP0705983A3 (en) 1998-03-11
DE69526402D1 (en) 2002-05-23
NL1000137A1 (en) 1996-04-01
PT705983E (en) 2002-09-30
EP0705983A2 (en) 1996-04-10
ATE216466T1 (en) 2002-05-15
EP0705983B1 (en) 2002-04-17
DE69526402T2 (en) 2002-11-28
NL1000137C2 (en) 1996-09-11
ES2171496T3 (en) 2002-09-16

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