DK200900058A - axial blower - Google Patents

axial blower Download PDF

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Publication number
DK200900058A
DK200900058A DKPA200900058A DKPA200900058A DK200900058A DK 200900058 A DK200900058 A DK 200900058A DK PA200900058 A DKPA200900058 A DK PA200900058A DK PA200900058 A DKPA200900058 A DK PA200900058A DK 200900058 A DK200900058 A DK 200900058A
Authority
DK
Denmark
Prior art keywords
blower
axial
tube
cut
hopper
Prior art date
Application number
DKPA200900058A
Other languages
Danish (da)
Inventor
Rasmussen Martin
Moeller Jens Hoepfner
Original Assignee
Novenco As
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 Novenco As filed Critical Novenco As
Priority to DKPA200900058A priority Critical patent/DK177428B1/en
Priority to EP10701831.9A priority patent/EP2387670B1/en
Priority to NO10701831A priority patent/NO2387670T3/no
Priority to ES10701831.9T priority patent/ES2662049T3/en
Priority to DK10701831.9T priority patent/DK2387670T3/en
Priority to HUE10701831A priority patent/HUE036151T2/en
Priority to PCT/EP2010/050327 priority patent/WO2010081813A1/en
Priority to PL10701831T priority patent/PL2387670T3/en
Publication of DK200900058A publication Critical patent/DK200900058A/en
Application granted granted Critical
Publication of DK177428B1 publication Critical patent/DK177428B1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/52Casings; Connections of working fluid for axial pumps
    • F04D29/54Fluid-guiding means, e.g. diffusers
    • F04D29/541Specially adapted for elastic fluid pumps
    • F04D29/545Ducts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/601Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Der angives en aksiatblæser I at den type, der omfatter et i hovedsagen cir kulærcylindrisk blæserrør 2 med en indre og en ydre diameter, hvori der er indrettet en blæserrotor 11 med en ydre diameter, der ar lidt mindre end blæ serrørets 2 indre diameter, hvilken blæserrotor 11 har en rotoraksel, der i hovedsagen falder sammen med centeraksen i det cirkutærcylindriske blæ serrør 2, og er indrettet således, at blæserrøret 2 i sin ene ende har en suge- side og i sin modsatte ende en udstødningsside defineret ved blæserotorens I I udformning og omdrejningsretnir g, og hvor der foran blæserrørets 2 Su gesida er indrettet en tragt 3 med en indre overflade, der konvergerer ind mod blæserrørets 2 indre diameter. Aksialblæseren i er optimeret ved, at tragten 3 foran aksialblæserens sugeside er afskåret på en side, således at tragtens 3 yderste kant, set fra blæserrørets 2 centerakse, er mindre på den ne side end på andre sider.

Claims (20)

1. Aksialblæser omfattende et i hovedsagen cirkulærcylindrisk blæserrør, som har en indre og en ydre diameter, og hvori der i blæserrøret er indrettet en blæserrotor, hvilken blæserrotor har en rotoraksel, der i hovedsagen falder sammen med centeraksen i det cirkulærcylindriske blæserrør, og hvor blæserrotoren har en ydre diameter, der er lidt mindre end blæserrørets indre diameter, og er indrettet således, at blæserrøret har en forreste ende, set i strømningsretningen for den luft, der under drift drives gennem aksialblæse-ren, har en sugeside, og i sin modstående bageste ende har en udstødningsside for luft, og hvor der ved blæserrørets sugeside foran det cirkulærcylindriske blæserrør er indrettet en tragt med en indre overflade, der kon-vergerer ind mod blæserrørets indre diameter KENDETEGNET VED, at tragten ved aksiaiblæserens sugeside er afskåret helt eller delvist på i det mindste én side af aksialblæseren, således at tragtens yderste kant, set fra blæserrørets centerakse, er mindre på denne side end på andre sider.An axial blower comprising a generally circular cylindrical blower having an inner and an outer diameter, and wherein a blowing rotor is provided in the blowing tube, said blowing rotor having a rotor shaft substantially coinciding with the center axis of the circular cylindrical blowing tube, and has an outer diameter slightly smaller than the inner diameter of the blower tube and is arranged such that the blower tube has a forward end, seen in the flow direction of the air which is being operated through the axial blower, has a suction side, and in its opposite the rear end has an exhaust side for air, and where at the suction side of the blower tube in front of the circular cylindrical blower is arranged a funnel with an inner surface which converges towards the inner diameter of the blower tube. at least one side of the axial blower, such that the outer edge of the hopper, seen f the center axis of the blower tube is smaller on this side than on other sides. 2. Aksialblæser ifølge krav 1, KENDETEGNET VED, at tragten er afskåret på to sider i forhold til blæserrørets centerakse.Axial blower according to claim 1, characterized in that the hopper is cut off on two sides relative to the center axis of the blower tube. 3. Aksialblæser ifølge krav 2, KENDETEGNET VED, at de to steder, hvor tragten er afskåret, er placeret diametralt overfor hinanden.Axial blower according to claim 2, characterized in that the two places where the hopper is cut off are located diametrically opposite each other. 4. Aksialblæser ifølge krav 1,2 eller 3, KENDETEGNET VED, at tragten er afskåret således, at dens ydre periferi, der hvor den er afskåret, i det mindste delvist ligger i et plan, der i hovedsagen svarer til et tangentplan for den ydre diameter på det cirkulærcylindriske blæserrør.Axial blower according to claim 1,2 or 3, characterized in that the funnel is cut so that its outer periphery, where it is cut off, lies at least partially in a plane which corresponds substantially to a tangent plane of the outer diameter of the circular cylindrical fan tube. 5. Aksialblæser ifølge krav 4, KENDETEGNET VED, at dertil tragtens ydre periferi, der hvor den er afskåret, er fastgjort et monteringsbeslag omfattende en pladedel, der strækker sig i hovedsagen i tangentplanet for den ydre dia- meter på det cirkuiærcylindriske blæserrør, og hvor monteringsbeslaget er forsynet med et antal huller indrettet med henblik på indføring af monterings-skruer.An axial blower according to claim 4, characterized in that the outer periphery of the hopper, where it is cut off, is attached a mounting bracket comprising a plate part extending substantially in the tangent plane of the outer diameter of the circular cylindrical blower tube, and the mounting bracket is provided with a number of holes arranged for insertion of mounting screws. 6. Aksialblæser ifølge et eller flere af de foregående krav, KENDETEGNET VED, at der ved i det mindste ét af de steder, hvor tragten er afskåret, er indrettet en materialeoverflade, som afgrænser aksialblæserens strømningsareal på tværs af strømningsretningen i aksialblæseren, og som strækker sig fra den forreste ende og bagud på indersiden af tragten og et stykke ind i blæserrøret, hvilken materialeoverflade på det forreste stykke reducerer strømningsarealet, og på det sidste stykke øger strømningsarealet, indtil materialeoverfladen slutter, hvorved strømningsarealet svarer til strømningsarealet i blæserrøret.Axial blower according to one or more of the preceding claims, characterized in that at least one of the places where the hopper is cut off, a material surface is defined which defines the flow area of the axial blower across the flow direction in the axial blower and which extends from the front end and backward on the inside of the hopper and a piece into the blower tube, which material surface on the front piece reduces the flow area, and on the last piece the flow area increases until the material surface ends, whereby the flow area corresponds to the flow area in the blower tube. 7. Aksialblæser ifølge krav 2 og 6, KENDETEGNET VED, at der er indrettet en materialeoverflade ved begge steder, hvor tragten er afskåret, og hvor de to materialeoverflader i hovedsagen er udformet symmetrisk omkring blæser-rørets centerakse.Axial fan according to claims 2 and 6, characterized in that a material surface is arranged at both places where the hopper is cut off and where the two material surfaces are substantially symmetrically arranged around the center axis of the fan tube. 8. Aksialblæser ifølge krav 6 eller 7, KENDETEGNET VED, at materialeoverfladen slutter et stykke før den når blæserratoren inde i blæserrøret.Axial blower according to claim 6 or 7, characterized in that the material surface terminates for some time before it reaches the blower rotor inside the blower tube. 9. Aksialblæser ifølge et eller flere af kravene 6 til 8, KENDETEGNET VED, at materialeoverfladen er dannet af en indsats, som i hovedsagen udgøres af et i forhold til blæserrøret og tragten separat element, der er fastgjort på indersiden af tragten og blæserrømt ved svejsning, limning, nitning, eller ved hjælp af en anden fastgørelsesmetode.Axial blower according to one or more of claims 6 to 8, characterized in that the material surface is formed by an insert, which is essentially a separate element relative to the blower tube and the hopper, which is fixed to the inside of the hopper and blower escaped by welding. , gluing, riveting, or by any other attachment method. 10. Aksialblæser ifølge krav 9, KENDETEGNET VED, at indsatsen er udformet af et støbt materiale, såsom formplast.Axial blower according to claim 9, characterized in that the insert is formed of a molded material, such as plastic. 11. Aksialblæser ifølge et eller flere af de foregående krav, KENDETEGNET VED, at der ved blæserrørets udstødningsside ved dets bageste ende, og bagved det cirkulærcylindriske blæserrør, set i forhold til strømningsretningen under drift, er indrettet en tragt, som danner en diffuser for den luft, der strømmer gennem aksialbiæseren under drift, og hvilken diffuser har en indre overflade, der divergerer fra blæserrørets indre diameter og bagud, og hvor diffuseren er afskåret helt eller delvist på i det mindste én side af aksialbiæseren, således at diffuseren, set fra blæserrørets centerakse, er mindre på denne side end på andre sider.An axial blower according to one or more of the preceding claims, characterized in that a funnel is formed at the rear end of the blower tube at its rear end, and behind the circular cylindrical blower tube, in relation to the flow direction during operation. air flowing through the axial casing during operation, the diffuser having an inner surface that diverges from the inner diameter of the blower tube to the rear, and wherein the diffuser is cut off in whole or in part on at least one side of the axial casing so that the diffuser is viewed from the blower tube. center axis, is smaller on this page than on other pages. 12. Aksialblæser ifølge krav 11, KENDETEGNET VED, at diffuseren er afskåret på to sider i forhold til blæserrørets centerakse.Axial blower according to claim 11, characterized in that the diffuser is cut off on two sides with respect to the center axis of the blower tube. 13. Aksialblæser ifølge krav 12, KENDETEGNET VED, at de to steder, hvor diffuseren er afskåret, er placeret diametralt overfor hinanden.Axial blower according to claim 12, characterized in that the two locations where the diffuser is cut off are located diametrically opposite each other. 14. Aksialblæser ifølge krav 11,12 eller 13, KENDETEGNET VED, at diffuseren er afskåret således, at dens ydre periferi, der hvor den er afskåret, i det mindste delvist ligger i et plan, der i hovedsagen svarer til et tangentplan for den ydre diameter på det cirkuiærcylindriske blæserrør.Axial blower according to claim 11, 12 or 13, characterized in that the diffuser is cut off so that its outer periphery, where it is cut off, lies at least partially in a plane substantially corresponding to a tangent plane of the outer diameter of the circular cylindrical fan tube. 15. Aksialblæser ifølge krav 14, KENDETEGNET VED, at dertil diffuserens ydre periferi, der hvor den er afskåret, er fastgjort et monteringsbeslag omfattende en pladedel, der strækker sig i hovedsagen i tangentplanet for den ydre diameter på det cirkulærcylindriske blæserrør, og hvor montBringsbeslaget er forsynet med et antal huller indrettet med henblik på indføring af monteringsskruer.Axial blower according to claim 14, characterized in that the outer periphery of the diffuser, where it is cut off, is attached a mounting bracket comprising a plate part extending substantially in the outer plane tangent plane of the circular cylindrical blower and wherein the mounting bracket is provided with a number of holes arranged for insertion of mounting screws. 16. Aksialblæser ifølge et eller flere af kravene 11 til 15, KENDETEGNET VED, at der ved i det mindste ét af de steder, hvor diffuseren er afskåret, er indrettet en materialeoverflade, som afgrænser aksialblæserens strømnings- areal på tværs af strømningsretningen i aksialblæseren, og som strækker sig fra den bageste ende og frem på indersiden af tragten og et stykke ind i blæ-serrøret, hvilken materiaieoverflade på det bageste stykke øger strømnings-arealet, og på det første stykke, set i strømningsretningen, reducerer strømningsarealet.Axial blower according to one or more of claims 11 to 15, characterized in that at least one of the places where the diffuser is cut, a material surface is defined which defines the flow area of the axial blower across the flow direction in the axial blower. and extending from the rear end to the inside of the hopper and a piece into the blower tube, which material surface on the rear increases the flow area and, on the first piece, seen in the flow direction, reduces the flow area. 17. Aksialblæser ifølge krav 12 og 16, KENDETEGNET VED, at der er indrettet en materialeoverflade ved begge steder, hvor tragten er afskåret, og hvor de to materialeoverflader i er udformet forskelligt, på en sådan måde, at de bevirker, at luftstrømmen i udstødningssiden afbøjes i en retning bort fra monteringsbeslaget.Axial blower according to claims 12 and 16, characterized in that a material surface is arranged at both places where the hopper is cut off and wherein the two material surfaces are formed differently, in such a way that the air flow in the exhaust side deflect in a direction away from the mounting bracket. 18. Aksialblæser ifølge krav 16 eller 17, KENDETEGNET VED, at materialeoverfladen begynder et stykke efter blæserrotoren inde i blæserrøret.Axial blower according to claim 16 or 17, characterized in that the material surface begins a short distance after the blower rotor inside the blower tube. 19. Aksialblæser ifølge et eller flere af kravene 16 til 18, KENDETEGNET VED, at materialeoverfladen er dannet af en indsats, som i hovedsagen udgøres af et i forhold til blæserrøret og tragten separat element, der er fastgjort på indersiden af tragten og blæserrøret ved svejsning, limning, nitning, eller ved hjælp af en anden fastgørelsesmetode.Axial blower according to one or more of claims 16 to 18, characterized in that the material surface is formed by an insert, which is essentially a separate element relative to the blower tube and the hopper, which is secured to the inside of the hopper and the blower tube by welding. , gluing, riveting, or by any other attachment method. 20. Aksialblæser ifølge krav 19, KENDETEGNET VED, at indsatsen er udformet af et støbt materiale, såsom formplast.The axial blower according to claim 19, characterized in that the insert is formed of a molded material, such as plastic.
DKPA200900058A 2009-01-14 2009-01-14 axial blower DK177428B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DKPA200900058A DK177428B1 (en) 2009-01-14 2009-01-14 axial blower
EP10701831.9A EP2387670B1 (en) 2009-01-14 2010-01-13 An axial blower
NO10701831A NO2387670T3 (en) 2009-01-14 2010-01-13
ES10701831.9T ES2662049T3 (en) 2009-01-14 2010-01-13 An axial fan
DK10701831.9T DK2387670T3 (en) 2009-01-14 2010-01-13 AXIAL Blows
HUE10701831A HUE036151T2 (en) 2009-01-14 2010-01-13 An axial blower
PCT/EP2010/050327 WO2010081813A1 (en) 2009-01-14 2010-01-13 An axial blower
PL10701831T PL2387670T3 (en) 2009-01-14 2010-01-13 An axial blower

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200900058A DK177428B1 (en) 2009-01-14 2009-01-14 axial blower
DK200900058 2009-01-14

Publications (2)

Publication Number Publication Date
DK200900058A true DK200900058A (en) 2010-07-15
DK177428B1 DK177428B1 (en) 2013-05-21

Family

ID=42211736

Family Applications (2)

Application Number Title Priority Date Filing Date
DKPA200900058A DK177428B1 (en) 2009-01-14 2009-01-14 axial blower
DK10701831.9T DK2387670T3 (en) 2009-01-14 2010-01-13 AXIAL Blows

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK10701831.9T DK2387670T3 (en) 2009-01-14 2010-01-13 AXIAL Blows

Country Status (7)

Country Link
EP (1) EP2387670B1 (en)
DK (2) DK177428B1 (en)
ES (1) ES2662049T3 (en)
HU (1) HUE036151T2 (en)
NO (1) NO2387670T3 (en)
PL (1) PL2387670T3 (en)
WO (1) WO2010081813A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858644A (en) * 1973-04-05 1975-01-07 Int Harvester Co Fan shroud exit structure
AT375155B (en) * 1982-07-05 1984-07-10 Reinhard Dipl Ing Dr Te Pinter JET FAN, ESPECIALLY FOR USE IN TUNNEL BUILDINGS
FR2683599B1 (en) * 1991-11-07 1994-03-04 Ecia IMPROVED FAIRING FOR FAN AND ITS APPLICATION TO A MOTOR FAN GROUP OF AUTOMOBILE.
DE102004026428A1 (en) * 2004-05-29 2005-12-15 Kapolnek Gmbh Exhauster for use in road tunnel, has ventilator stimulated by suction pipe in exhaust pipe and including conveying blades, where cross section at downstream of ventilator changes its shape from circular surface area into oval surface area
DE202006015122U1 (en) * 2006-09-29 2007-01-18 Asia Vital Components Co., Ltd., Hsin Chuan City Cooling fan has air guide on air inlet side of frame with curved surface, whereby diameter of exterior of air guide is greater than frame's diameter, bearing with hub seat and several ribs and blade wheel

Also Published As

Publication number Publication date
HUE036151T2 (en) 2018-06-28
ES2662049T3 (en) 2018-04-05
NO2387670T3 (en) 2018-05-19
EP2387670A1 (en) 2011-11-23
PL2387670T3 (en) 2018-07-31
WO2010081813A1 (en) 2010-07-22
DK2387670T3 (en) 2018-04-03
EP2387670B1 (en) 2017-12-20
DK177428B1 (en) 2013-05-21

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