WO2018158226A1 - Roue de ventilateur - Google Patents

Roue de ventilateur Download PDF

Info

Publication number
WO2018158226A1
WO2018158226A1 PCT/EP2018/054765 EP2018054765W WO2018158226A1 WO 2018158226 A1 WO2018158226 A1 WO 2018158226A1 EP 2018054765 W EP2018054765 W EP 2018054765W WO 2018158226 A1 WO2018158226 A1 WO 2018158226A1
Authority
WO
WIPO (PCT)
Prior art keywords
outer edge
fan
base plate
fan wheel
cover plate
Prior art date
Application number
PCT/EP2018/054765
Other languages
German (de)
English (en)
Inventor
Stan Smits
Original Assignee
Convotherm-Elektrogeräte Gmbh
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
Priority claimed from DE102017203526.9A external-priority patent/DE102017203526A1/de
Priority claimed from DE102017203525.0A external-priority patent/DE102017203525A1/de
Application filed by Convotherm-Elektrogeräte Gmbh filed Critical Convotherm-Elektrogeräte Gmbh
Publication of WO2018158226A1 publication Critical patent/WO2018158226A1/fr

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
    • F04D29/26—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
    • F04D29/26—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
    • F04D29/289—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps having provision against erosion or for dust-separation
    • 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
    • F04D29/30—Vanes
    • 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
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade

Definitions

  • Such a fan is known from EP 1 530 682 B1 or DE 102 39 246 representing the priority application for this EP application.
  • the known fan wheel has fan blades, on the outer surface of which at least one elevation is arranged and / or formed which is spaced from a base plate of the fan wheel and extends away from the base plate, substantially diagonally from a leading edge to a trailing edge of the fan blades.
  • the discharge device can fulfill both their basic function, according to which it reliably dissipates impurities in the air supplied to the heater, and at the same time amplifies the entire structure of the impeller according to the invention, since it is designed as a reinforcing profile, and preferably attached to the base and cover plate.
  • the air guide elements are arranged at an obtuse angle to the fan blades and run from the fan blade V-like outward, so that they make it possible uniform loading of the discharge device with air and impurities contained therein.
  • the inner edges of the or the air guide elements are arranged adjacent to the outer edge region of the Lüfterradschaufel, .
  • the air guide elements are integrally connected to the Lüfterradschaufel in the region of the radial outer edge.
  • the fan blade of two fan wheel plates with outwardly bent outer edge end portions as the first embodiment, is constructed, wherein the plates of the fan blades are connected together and thus form the Lüfterradschaufel in final assembly state.
  • an embodiment is preferred which has two such outer edge end portions which widen in a V-shape to the outer edge of the base plate, wherein in this embodiment, two the outer edge end portions associated trough-shaped Ableitemia the discharge device, preferably in the form of reinforcing profiles provided are.
  • each of the two outer edge end portions directs the air flow and thus the impurities contained in this on the associated discharge element.
  • Each of the fan blades 2, 3 has a first blade surface 6 and a second blade surface 7, which, as shown for example in FIGS. 1 and 3, face in opposite directions.
  • the air to be guided from the fan wheel 1 to a heating device impinges on these blade surfaces 6, 7.
  • the Lüfterradschaufeln 2, 3, as is apparent from the figures, are straight and preferably just formed with curved outer edge end portions 8A, 8B and at least substantially at right angles to the base plate 4 and the cover plate 5 are arranged.
  • the impeller 1 according to the invention is further provided with a discharge device 10, which serves to deposit impurities contained in the air conveyed by the impeller 1 or its impeller blades 2, 3. These impurities are, in particular, fat or oil particles which emerge from the food during the cooking process and mix with the air conveyed by the fan 1.
  • said discharge device 10 is provided which, in the illustrated example, has a plurality of reinforcement profiles 10A, 10B, 10C.
  • Each of the fan blades 2, 3 provided is assigned a reinforcing profile 10A, 10B, 10C, so that in the exemplary case of twelve fan blades, twelve such reinforcing profiles are accordingly provided.
  • Figs. 5 and 6 illustrate the radial distance of the reinforcing profile of the discharge device denoted by the reference numeral 10C in these figures to the outer portion of the outer edge end portions 8A, 8B.
  • these reinforcing profiles can be fixed on the base plate 4 and / or the cover plate 5, which results from the representation of FIG. 5, whereas FIG. 6 illustrates only the base plate 4.
  • All reinforcing profiles form channels, which, as shown in FIG. 2, extend from the base plate 4 to the cover plate 5.
  • the respectively supported on the base plate 4 end portion 18 of the reinforcing profiles 10A, 10B and 10C corresponds to recesses 14, 15, 16 and 17, which are also exemplified in Fig. 1.
  • FIGS. 7 to 9 An alternative embodiment of a second possible embodiment of the fan impeller according to the invention is shown in FIGS. To simplify the illustration, FIGS. 7 to 9 merely show a fan blade 2 as representative of all the fan blades which has such a fan wheel, so that with respect to the overall configuration of the fan impeller according to the embodiment of FIGS. 7 to 9 to the description of FIG. 1 to 4 can be referred.

Landscapes

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

Abstract

L'invention concerne une roue de ventilateur (1) comprenant une multitude d'aubes (2, 3) de roue de ventilateur, qui sont disposées entre une plaque de base (4) et une plaque de recouvrement (5), qui comportent des premières et deuxièmes faces (6, 7) d'aube pointant dans des directions opposées et qui comportent une arête intérieure (9) pointant, vue depuis le point central de roue de ventilateur (M), vers l'intérieur radialement. La roue de ventilateur comprend également un dispositif déflecteur (10) pour des impuretés contenues dans l'air refoulé par les aubes (2, 3) de roue de ventilateur, telles que des particules d'huile en particulier. Au moins une aube (2) de roue de ventilateur comporte au moins une partie d'extrémité (8A, 8B) d'arête extérieure courbée vers l'extérieur. L'au moins une partie d'extrémité (8A, 8B) d'arête extérieure comporte au moins un évidement de passage (21A, 21B), qui est disposé en vis-à-vis du dispositif déflecteur (10).
PCT/EP2018/054765 2017-03-03 2018-02-27 Roue de ventilateur WO2018158226A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102017203526.9A DE102017203526A1 (de) 2017-03-03 2017-03-03 Lüfterrad
DE102017203525.0 2017-03-03
DE102017203526.9 2017-03-03
DE102017203525.0A DE102017203525A1 (de) 2017-03-03 2017-03-03 Lüfterrad

Publications (1)

Publication Number Publication Date
WO2018158226A1 true WO2018158226A1 (fr) 2018-09-07

Family

ID=61386860

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/054765 WO2018158226A1 (fr) 2017-03-03 2018-02-27 Roue de ventilateur

Country Status (1)

Country Link
WO (1) WO2018158226A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE879588C (de) * 1951-07-22 1953-06-15 Babcock & Wilcox Dampfkessel W Geblaese fuer staubhaltige Gase
FR1139152A (fr) * 1955-01-14 1957-06-26 Babcock & Wilcox France Rotor modifiable pour ventilateur radial
JP2001050538A (ja) * 1999-08-05 2001-02-23 Maruzen Co Ltd コンベクションオーブン
DE10239246C1 (de) 2002-08-22 2003-08-21 Rational Ag Lüfterrad mit integrierter Fettabscheidung, insbesondere für ein Gargerät
DE10315341A1 (de) 2003-04-03 2004-10-21 Mkn Maschinenfabrik Kurt Neubauer Gmbh & Co. Gargerät mit einem Gebläse mit Radialgebläserad und Abscheideelement
DE10234214B4 (de) 2002-07-22 2006-02-23 Markus Salamon Verfahren zum Bereitstellen von Informationen auf einer mobilen elektronischen Einheit
DE102005047457A1 (de) * 2004-10-01 2006-04-13 Wss Gmbh Vorrichtung zur Garraum-Klimareinigung in Form eines Lüfterrades
US20100150731A1 (en) * 2008-11-28 2010-06-17 Zhongshan Broad-Ocean Motor Co., Ltd. Fan blades
EP2372163A1 (fr) * 2010-04-01 2011-10-05 Convotherm Elektrogeräte GmbH Roue de ventilateur
DE102010017347A1 (de) 2010-06-11 2011-12-15 Rational Ag Gargerätelüfterrad, Gargerät und Verfahren zur Vergleichsmäßigung eines Volumenstroms

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE879588C (de) * 1951-07-22 1953-06-15 Babcock & Wilcox Dampfkessel W Geblaese fuer staubhaltige Gase
FR1139152A (fr) * 1955-01-14 1957-06-26 Babcock & Wilcox France Rotor modifiable pour ventilateur radial
JP2001050538A (ja) * 1999-08-05 2001-02-23 Maruzen Co Ltd コンベクションオーブン
DE10234214B4 (de) 2002-07-22 2006-02-23 Markus Salamon Verfahren zum Bereitstellen von Informationen auf einer mobilen elektronischen Einheit
DE10239246C1 (de) 2002-08-22 2003-08-21 Rational Ag Lüfterrad mit integrierter Fettabscheidung, insbesondere für ein Gargerät
EP1530682B1 (fr) 2002-08-22 2006-05-31 Rational AG Roue de ventilateur pourvue d'une separation de graisse integree et destinee notamment a un appareil de cuisson
DE10315341A1 (de) 2003-04-03 2004-10-21 Mkn Maschinenfabrik Kurt Neubauer Gmbh & Co. Gargerät mit einem Gebläse mit Radialgebläserad und Abscheideelement
DE102005047457A1 (de) * 2004-10-01 2006-04-13 Wss Gmbh Vorrichtung zur Garraum-Klimareinigung in Form eines Lüfterrades
US20100150731A1 (en) * 2008-11-28 2010-06-17 Zhongshan Broad-Ocean Motor Co., Ltd. Fan blades
EP2372163A1 (fr) * 2010-04-01 2011-10-05 Convotherm Elektrogeräte GmbH Roue de ventilateur
DE102010017347A1 (de) 2010-06-11 2011-12-15 Rational Ag Gargerätelüfterrad, Gargerät und Verfahren zur Vergleichsmäßigung eines Volumenstroms

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