EP0180176A1 - Ventilateur - Google Patents

Ventilateur Download PDF

Info

Publication number
EP0180176A1
EP0180176A1 EP85113684A EP85113684A EP0180176A1 EP 0180176 A1 EP0180176 A1 EP 0180176A1 EP 85113684 A EP85113684 A EP 85113684A EP 85113684 A EP85113684 A EP 85113684A EP 0180176 A1 EP0180176 A1 EP 0180176A1
Authority
EP
European Patent Office
Prior art keywords
pipe section
fan according
flow channel
rotor
drive motor
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
EP85113684A
Other languages
German (de)
English (en)
Other versions
EP0180176B1 (fr
EP0180176B2 (fr
Inventor
Siegfried Dr. Ing. Harmsen
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.)
Papst Licensing GmbH and Co KG
Original Assignee
Papst Licensing GmbH and Co KG
Papst Motoren GmbH and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6249011&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0180176(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Papst Licensing GmbH and Co KG, Papst Motoren GmbH and Co KG filed Critical Papst Licensing GmbH and Co KG
Publication of EP0180176A1 publication Critical patent/EP0180176A1/fr
Publication of EP0180176B1 publication Critical patent/EP0180176B1/fr
Application granted granted Critical
Publication of EP0180176B2 publication Critical patent/EP0180176B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • 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
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator

Definitions

  • the invention relates to a fan with a pipe section, in particular with a pipe section whose length is smaller than its smallest radius with an electric drive motor, which is mounted coaxially within the pipe section. with spokes for fastening the stator of the drive motor to the pipe section, which extend within the pipe section at one end of the pipe section, with a fan impeller which has a hub which carries a wing ring which extends completely inside the pipe section in an annular flow channel.
  • the air or gas flow is coaxial to the rotor axis - then it is a so-called axial fan - or the air flow is oblique to the rotor axis - and then it is a so-called diagonal fan.
  • Fans of this type are used as built-in fans and are available for this purpose in dimensions of 3 to 20 cm (centimeters) pipe diameter.
  • the space available for the necessary installations is limited by the interior of the pipe section, and this is made as short as possible in the interest of narrow installation conditions.
  • changes can only be made within the available outer contour.
  • the object of the invention is to modify such a fan in the context of the predetermined outer contour so that it has greater differential pressure between suction and pressure page generated. This object is achieved by the features of the characterizing part of claim 1.
  • the invention enables one to change the fan characteristics in the sense of the task simply by inserting the ring. This is, since fans of the type mentioned at the outset are mass-produced items, very advantageous for production, because you can use the same components, namely the same pipe section and the same motor, for fans with high output and for fans with high pressure go out, you only have to insert the ring and adjust the blades in the case of the pressure fan.
  • 1 denotes a pipe section whose length according to double arrow 2 is smaller than its smallest radius according to double arrow 3.
  • 4 denotes an electric drive motor, which is completely coaxially mounted within the pipe section 1.
  • the drive motor 4 is an external rotor motor.
  • the drive motor is fastened to the pipe section 1 with four spokes 5, 6, 7, 8 distributed over the circumference.
  • the spokes extend along one. for example the suction-side end of the pipe section, from the pipe section to a bearing disk 11.
  • This bearing disk 11 belongs to the stator, generally designated 9, of the electric drive motor.
  • the rotor of the motor 4 is designated, which is cup-shaped, and surrounds the stator up to the spokes 5. 6, 7, 8 or the bearing disc 11.
  • a ring 12 is placed against rotation, which has an outer surface 13 that widens conically in the direction of flow according to arrow 24.
  • An annular flow channel 14 is delimited on the outside by the inner surface 15 of the tube piece and on the inside by the outer surface 13 of the ring 12.
  • a total of five wings 16 to 20 are distributed over the circumference of the ring 12 orderly. which are attached to the outer surface 13 of the ring 12.
  • the ring 12 is fitted in a form-fitting manner on the cup-shaped rotor 10.
  • the ring 12 consists of an inner wall 21 which fits the rotor 10 in a form-fitting manner, and an outer wall 22 which is at an angle to the inner wall and is fastened thereto, so that a wedge-shaped annular gap which is open to the pressure side 25 is between the two walls 21 and 22 26 is left out.
  • This wedge-shaped annular gap 26 can also be closed or filled. It is essential that the outer surface 13, which delimits the flow channel inwards, widens conically in the direction of flow, specifically with an angle 28 of 5 to 45 degrees, preferably 30 degrees, as in the exemplary embodiment shown.
  • the wings 16 to 20 extend over the entire cross section of the flow channel 14 with a tolerance distance according to double arrow 30 to the inner wall 15 of the pipe section 1, and with a somewhat greater distance according to double arrow 31 to the spokes 5 to 8.
  • the inner surface 15 of the pipe section 1 has in the middle Area, based on the axial length, a constriction 35 with the smallest diameter 29 and extends to the pressure side 25 to a diameter 33 and to the suction side 36 to a diameter 32.
  • the diameter 29 is smaller than the diameters 32 and 33.
  • the diameters 32 and 33 are about the same size.
  • a flange 40, 41 with a square outer contour is provided at each end of the pipe section 1.
  • the two flanges 40, 41 are congruent. so that the flange 40 in Figure 1 is covered by the flange 41 visible there.
  • the square outer contour of the flanges closely surrounds the pipe section 1 at the ends. so that in the narrowest area, for example the area 43, between adjacent flange corners, for example the flange corners 44. 45, the material thickness of the flange according to double arrow 46 is not significantly stronger than the material thickness of the pipe section, compare FIG. 1 and FIG. 4.
  • All parts of the fan are accommodated within the pipe section 1, and the entire fan, including the flanges, is accommodated in a square cylinder, the base of which is formed by the square shape of a flange, and the height of the double arrow 2, i.e. the length of the pipe section 1 corresponds.
  • the flow channel 14 is formed by bevels in the region of the flange corners, and is expanded radially at the bevels.
  • the bevels associated with the flange corners 44, 45. are designated 50. 51.
  • the bevels assigned to the flange corners 52, 53 are designated 54, 55.
  • the blades are attached to the outer surface 57 of the rotor 10.
  • This outer surface 57 forms the inner boundary of the flow channel.
  • This outer surface 57 extends essentially circular-cylindrical.
  • the outer surface 13 extends conically and conveys a radial component to the conveying air flowing along, which, as can be seen from FIG. 5, leads to an increase in pressure on the pressure side 25 compared to the prior art.
  • the pressure increase Pf achieved on the pressure side is plotted on the vertical axis and the volume flow VS of the conveying air is plotted on the horizontal axis.
  • the curve 60 drawn in solid lines shows the values measured for an axial fan according to FIGS. 1 to 4.
  • the dashed curve 61 shows measured values for a comparably dimensioned axial fan which is designed according to the prior art.
  • This axial Blowers according to the prior art differ from the embodiment according to Figures 1 to 4 by the lack of the ring 12, and the fan blades reaching to the outer surface 57. It can be seen from the characteristic diagram that the pressure increase on the pressure side compared to the prior art is achieved without any loss in the volume flow of the conveying air. The comparison of the characteristic curves shows that the invention as a whole also increases the conveying capacity.
  • a prior art fan can be modified simply by additionally inserting the ring 12 with a fan characteristic in that it produces a larger pressure difference. You can do this from the same pieces of pipe. going out with the same flanges and the same motor with the same spokes does not put the vanes directly on the rotor, but puts the ring 12 and the vanes on the rotor, correspondingly differently shaped on the ring 12.
  • the invention is also applicable to fans with a different drive motor. for example internal rotor motor. then a pot is attached to the rotor, which surrounds the stator accordingly.
  • a pipe section provided with the constriction 35 it is also possible to use a pipe section whose inner surface 15 is circular-cylindrical or has another shape which is useful for such fans.
  • the ring 12 can also be part of the rotor 10.
  • the pipe section 1 can also have approximately the same diameter over its entire axial length, approximately as large as the diameter 29.
  • the drive motor is an external rotor motor.
  • the invention can also be implemented in connection with an internal rotor motor.
  • the pot of the rotor which is formed by the rotor itself in the case of the external rotor motor, can be an attached, thin-walled pot which is connected to the rotor in a torsionally rigid manner and surrounds the stator almost up to the spokes.
  • the drive motor is a brushless DC motor.
  • the power requirement possibly increased by the invention (because the performance characteristic is increased over its entire range by the invention) can be conveniently generated with the same size of the motor. In connection with an external rotor type, this results in a high power volume.
  • FIG. 6 shows a developed representation of the impeller for a number of vanes seven.
  • the increase in the number of vanes (the number of vanes cannot be divisible by the number of webs in the sense of noise reduction) in connection with strong wing curvature (which is also a large beta of over 50) Degree results) leads in connection with the taper hub according to claim 1 to the performance increase.
  • FIG. 7 shows a vane in a top view in natural size.
  • Figure 1 is also available in natural size stand.
  • the axis of curvature 71 in FIG. 7 is the center of the cylindrical surface of the wing 72.
  • the radius of curvature is thirty millimeters.
  • the proportions in the figures are essential to the invention, particularly when used in natural size (as shown in FIG. 1).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP85113684A 1984-10-29 1985-10-28 Ventilateur Expired - Lifetime EP0180176B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3439539 1984-10-29
DE19843439539 DE3439539A1 (de) 1984-10-29 1984-10-29 Ventilator

Publications (3)

Publication Number Publication Date
EP0180176A1 true EP0180176A1 (fr) 1986-05-07
EP0180176B1 EP0180176B1 (fr) 1990-01-03
EP0180176B2 EP0180176B2 (fr) 1995-05-03

Family

ID=6249011

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85113684A Expired - Lifetime EP0180176B2 (fr) 1984-10-29 1985-10-28 Ventilateur

Country Status (2)

Country Link
EP (1) EP0180176B2 (fr)
DE (2) DE3439539A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991005169A1 (fr) * 1989-09-29 1991-04-18 Micronel Ag Petit ventilateur
EP0607429A1 (fr) † 1989-11-06 1994-07-27 Kabushiki Kaisha Shikoku Sogo Kenkyujo Moteur a induction du type a induit externe
US5695318A (en) * 1991-08-15 1997-12-09 Papst-Motoren Gmbh & Co Kg Diagonal fan
EP0926057A2 (fr) 1997-12-17 1999-06-30 Sturmey-Archer Limited Moyeu à vitesses multiples

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0749800B2 (ja) * 1988-03-11 1995-05-31 三菱電機株式会社 軸流送風機

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2536130A (en) * 1946-05-21 1951-01-02 Hartzell Industries Air handling apparatus
GB858640A (en) * 1958-10-07 1961-01-11 Jacobus Constant Van Rijn Ventilating motor and fan
DE1728338A1 (de) * 1963-01-14 1971-07-22 Hermann Papst Ventilator
FR2291384A1 (fr) * 1974-11-18 1976-06-11 Papst Motoren Kg Ventilateur axial
FR2497883A1 (fr) * 1981-01-09 1982-07-16 Etri Sa Ventilateur electrique axial de type plat
EP0077039A2 (fr) * 1981-10-12 1983-04-20 Nissan Motor Co., Ltd. Roue de ventilateur
EP0100078A1 (fr) * 1982-07-24 1984-02-08 Papst-Motoren GmbH & Co. KG Ventilateur axial

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH635900A5 (de) * 1978-02-15 1983-04-29 Papst Motoren Kg Axial kompaktes geblaese.
DE7932582U1 (de) * 1979-11-17 1980-03-13 Papst-Motoren Kg, 7742 St Georgen Einbauventilator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2536130A (en) * 1946-05-21 1951-01-02 Hartzell Industries Air handling apparatus
GB858640A (en) * 1958-10-07 1961-01-11 Jacobus Constant Van Rijn Ventilating motor and fan
DE1728338A1 (de) * 1963-01-14 1971-07-22 Hermann Papst Ventilator
FR2291384A1 (fr) * 1974-11-18 1976-06-11 Papst Motoren Kg Ventilateur axial
FR2497883A1 (fr) * 1981-01-09 1982-07-16 Etri Sa Ventilateur electrique axial de type plat
EP0077039A2 (fr) * 1981-10-12 1983-04-20 Nissan Motor Co., Ltd. Roue de ventilateur
EP0100078A1 (fr) * 1982-07-24 1984-02-08 Papst-Motoren GmbH & Co. KG Ventilateur axial

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991005169A1 (fr) * 1989-09-29 1991-04-18 Micronel Ag Petit ventilateur
US5217351A (en) * 1989-09-29 1993-06-08 Micronel Ag Small fan
EP0607429A1 (fr) † 1989-11-06 1994-07-27 Kabushiki Kaisha Shikoku Sogo Kenkyujo Moteur a induction du type a induit externe
US5695318A (en) * 1991-08-15 1997-12-09 Papst-Motoren Gmbh & Co Kg Diagonal fan
EP0926057A2 (fr) 1997-12-17 1999-06-30 Sturmey-Archer Limited Moyeu à vitesses multiples

Also Published As

Publication number Publication date
EP0180176B1 (fr) 1990-01-03
DE3575181D1 (en) 1990-02-08
EP0180176B2 (fr) 1995-05-03
DE3439539A1 (de) 1986-05-07

Similar Documents

Publication Publication Date Title
DE2940650C2 (fr)
DE69102127T2 (de) Lüfter, insbesondere für Kraftfahrzeuge.
DE1488640A1 (de) Geblaese
DE3227698C2 (fr)
DE69924558T2 (de) Vakuumpumpe
WO2015124487A2 (fr) Ventilateur comprenant un rotor doté de pales mobiles
WO2011038884A1 (fr) Ventilateur diagonal
DE2903369A1 (de) Kleingeblaese mit elektrischem antriebsmotor
EP0112932A1 (fr) Ventilateur radial avec des aubes profilées courbées en arrière
DE102012109235A1 (de) Radiallüfter
DE102018211808A1 (de) Ventilator und Leiteinrichtung für einen Ventilator
DE3907565A1 (de) Axialgeblaese
DE1503497A1 (de) Mehrstufiges Hochleistungsgeblaese fuer Staubsauger
DE602004006587T2 (de) Motor-Gebläse Einheit
DE1403032A1 (de) Zentrifugalgeblaese
EP0180176A1 (fr) Ventilateur
WO2009143920A1 (fr) Ventilateur radial
DE102005045491A1 (de) Elektrische Maschine, insbesondere Drehstromgenerator für Fahrzeuge
DE102022200024A1 (de) Antriebsvorrichtung
DE1503559B2 (de) Ventilator fuer zuluft und abluft
DE60128616T2 (de) Lüfter für ein Kraftfahrzeug mit Leitschaufeln
DE3612249A1 (de) Ventilator
DE60211661T2 (de) Luftlaufrad und gehäuse für ein solches laufrad
EP3835589A1 (fr) Dispositif formant moteur électrique doté d'un moteur électrique et d'un dispositif ventilateur intégré
EP3592985B1 (fr) Kit de pièces et méthode pour produire une soufflante radiale

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19860611

17Q First examination report despatched

Effective date: 19870205

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 19900103

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19900103

REF Corresponds to:

Ref document number: 3575181

Country of ref document: DE

Date of ref document: 19900208

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
EN Fr: translation not filed
PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

26 Opposition filed

Opponent name: EBM ELEKTROBAU MULFINGEN GMBH & CO.

Effective date: 19901002

REG Reference to a national code

Ref country code: GB

Ref legal event code: 711B

REG Reference to a national code

Ref country code: GB

Ref legal event code: 711G

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: PAPST LICENSING GMBH

PUAH Patent maintained in amended form

Free format text: ORIGINAL CODE: 0009272

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: PATENT MAINTAINED AS AMENDED

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

27A Patent maintained in amended form

Effective date: 19950503

AK Designated contracting states

Kind code of ref document: B2

Designated state(s): DE FR GB IT

GBTA Gb: translation of amended ep patent filed (gb section 77(6)(b)/1977)

Effective date: 19950809

EN3 Fr: translation not filed ** decision concerning opposition
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19961223

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980701

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20031010

Year of fee payment: 19

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20041028

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20041028

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO