EP0499813B1 - Boîtier pour fixer un ventilateur - Google Patents

Boîtier pour fixer un ventilateur Download PDF

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Publication number
EP0499813B1
EP0499813B1 EP92101008A EP92101008A EP0499813B1 EP 0499813 B1 EP0499813 B1 EP 0499813B1 EP 92101008 A EP92101008 A EP 92101008A EP 92101008 A EP92101008 A EP 92101008A EP 0499813 B1 EP0499813 B1 EP 0499813B1
Authority
EP
European Patent Office
Prior art keywords
housing
blower
box
air
air inlet
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.)
Expired - Lifetime
Application number
EP92101008A
Other languages
German (de)
English (en)
Other versions
EP0499813A3 (en
EP0499813A2 (fr
Inventor
Wilfried Dipl.-Ing. Rückert (FH)
Armin Dipl.-Ing. Zibold
Dieter Dipl.-Ing. Schmid (Fh)
Peter Dipl.-Ing Rohrbach (Fh)
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.)
BOSCH-SIEMENS HAUSGERAETE GMBH
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0499813A2 publication Critical patent/EP0499813A2/fr
Publication of EP0499813A3 publication Critical patent/EP0499813A3/de
Application granted granted Critical
Publication of EP0499813B1 publication Critical patent/EP0499813B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • 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
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit

Definitions

  • the invention relates to a housing for receiving a fan according to the preamble of claim 1.
  • the supply and exhaust air ducts of such pipe systems are equipped with a large cross-section in order not only to increase the air throughput, but also to counteract the noise in the ducts caused by the air currents.
  • a pipe system with a large, flat cross section is known, which is arranged relatively inconspicuously on the underside of an upper cabinet of a kitchen unit.
  • An approximately cuboid housing with an enlarged cross section compared to the cross section of the pipe system is integrated into this pipe system.
  • the remaining height between the suction side of the blower and the bottom wall of the housing forms an extension of the pipe system which is of the same height as the duct height, the extension being delimited approximately at right angles in the air flow direction by a housing wall.
  • the housing of the fan is installed relatively inconspicuously in masonry, but the recess required for this already has a considerable height, since the supply and exhaust air ducts of the housing are arranged offset in height from one another.
  • An inconspicuous installation of such a blower box in an upper cabinet of a kitchen unit would hardly be possible without a sensitive loss of storage space in the upper cabinet, especially not if you want to arrange a second blower in this blower box to increase the air output.
  • Such a housing construction has the advantage that, in addition to a flat design, the supply and exhaust air ducts that can be connected to the housing also create a continuous, flat surface that can be used without complex additional measures, e.g. well suited for mounting on the ceiling boards of wall units in a kitchen unit.
  • a subsequent modification of the air flow rate of the blower can only be achieved with increased effort in this type of housing, since the already existing air ducts have to be adapted to the change in dimensions of the supply air and exhaust air stub resulting from the modification.
  • the invention has for its object to design a housing for a blower so that the entire exhaust system can be well integrated into the existing environment in terms of construction with high functionality.
  • the design according to the invention of a housing for a blower has the advantage that the supply air and exhaust air connections connected to a pipe system are not affected in terms of dimensions when the air delivery capacity of the blower is modified and the change in blower volume usually associated therewith, since the changed blower volume almost changes affects only the box-shaped extension. In this way, the installation height changes, for example over kitchen units, so that the existing supply and exhaust air ducts of the pipe system do not have to be adapted even if the fan's air delivery rate is modified subsequently.
  • prefabricated units consisting of housings which are equipped with blowers of different air delivery capacity can be used. This makes it possible, depending on the requirement, to be able to put together extractor devices with different performance features in a simple manner.
  • such a solution has the advantage that the overall height of the housing is quite low when the box-shaped extension is recessed, and is thus space-saving, e.g. can be attached to standard kitchen wall cabinets.
  • a flow channel formed by the box-shaped housing is particularly aerodynamic and low-noise if, according to a preferred embodiment of the object of the invention, it is provided that the flow channel of the box-shaped housing widens in a diffuser-like manner from the supply air nozzle to the area of the blower, this expansion expanding in the area the confluence to the drain socket is narrowed substantially to its cross section.
  • the blower is designed as a double-sided suction radial blower, the outlet side of which is directed into the exhaust port.
  • a particularly high efficiency and a particularly favorable air flow for a fan in a box-shaped housing is achieved if, according to a preferred embodiment of the object of the invention, it is provided that the air flowing from the supply air nozzle into the diffuser-like extension is divided into two by a flow divider designed similar to a ship's bow Partial air flows is split, the division ratio being essentially 1: 1.
  • a flow part in a housing is particularly expedient if, according to an advantageous embodiment of the object of the invention, it is provided that it has a cavity, the interior of which can accommodate electrical components.
  • the box-shaped housing is formed from a plurality of shell-like individual parts, the shell part, the outer wall of which is essentially one with the outer walls of the supply and exhaust air ducts forms a flat surface, is integrated in the pipe system, while the shell part having the box-shaped extension is detachably connected to the integrated part.
  • the fan is fastened in the shell part integrated in the pipe system, but the major part of its volume protrudes into the box-shaped shell part.
  • blower can be easily replaced or serviced if necessary, but also in that the part integrated in the pipe system can be made particularly flat.
  • an extractor device 10 formed from tubular elements with a flat cross section has a collecting screen 11, which is connected by a tube piece 12 to an approximately T-shaped channel part 13.
  • the T-shaped duct part 13 is equipped on one side with a closed secondary duct, while the other side is provided with a supply air duct 14.
  • a wall box 16 is arranged in an indicated masonry 15, which closes to the outside with a blind-like grille 17.
  • the wall box 15 is connected to an exhaust air duct 18.
  • a box-shaped housing 20 is arranged between the supply air duct 14 and the exhaust air duct 18 and has a radial blower 32 (outlined in dashed lines) of its supply air socket facing the supply air duct 14 21 and its exhaust port 22 directed towards the exhaust air duct 18 are arranged in the same plane and can be connected to the supply or exhaust air duct.
  • the box-shaped housing 20 is integrated into the pipe system in such a way that its outer wall 23 forms an essentially flat, continuous surface 24 with the outer walls of the supply air duct 14 and the exhaust air duct 18, which has a large edge length in cross section, the housing 20 forming in essentially widened in a box shape to the side opposite the flat surface 24 (cf. also FIG. 2).
  • the box-shaped housing 20 is formed from shell-like individual parts, the shell part 25, the outer wall 23 of which forms a flat surface with the outer walls of the supply air duct 14 and the exhaust air duct 18, firmly in the pipe system through the on this shell part 25 molded supply air connector and the exhaust air connector also molded thereon is integrated.
  • the supply air connector 21 and the exhaust connector 22 are arranged in alignment with one another, the side walls 26 of which are connected to one another by walls 27 which form an interior space and which are perpendicular to the outer wall 23.
  • a raised flow divider 28 which is arranged on the inside of the outer wall 23 and is designed like a bow of a ship, and splits the air flowing in from the supply air connection 21 into two partial air flows, the division ratio of which is about 1: 1. (See in particular also Fig. 3).
  • the flow divider 28 has a flute-like extension 31 towards the exhaust air connection 22, which protrudes toward the inside of the outer wall 23 and the contour of which can accommodate a blower 32 designed as a double-sided suction radial blower.
  • reinforcements 33 with bores 34 directly opposite one another are provided in the walls 27, with the aid of which the radial fan 34 on its blow-out side 35 to the exhaust port 22 with releasable, not fully illustrated fasteners 36, such as screws or the like. Is fixed. (cf. also Fig. 2).
  • the box-shaped Form extension having shell part 40.
  • the shell part 40 is fastened in the assembled state with its fastening strips 39 on both sides to the flange parts 38 of the shell part 25 with releasable fastening means 36, such as screws or the like.
  • the shell part 25, together with the shell part 40 assembled to form the box-shaped housing 20, forms a flow channel which extends like a diffuser from the supply air connection 21 to the area of the blower 32, this expansion narrowing substantially in the area of the opening to the exhaust air connection 22 to its cross section, (See also FIGS. 2 and 3).
  • a diffusor-like extension is arranged, in the straight section of the trapezoidal side walls 42 that laterally delimit the box-shaped extension, a cross-section which is approximately semicircular in cross-section, (shown in broken lines), which represents the counterpart to the hollow cone-like extension 31.
  • the semicircular receptacle is arranged at a distance from the trapezoidal side walls 42 in order to leave out an air duct for the fan 32 on the inlet side.
  • the receptacle 43 is dimensioned such that the blower 32, which is fastened in the shell part 25 integrated in the pipe system, can protrude with the majority of its volume into the shell-shaped shell part 40.
  • flow divider 28 can be connected both fixedly to the inside of the outer wall 23 and detachably to the latter.
  • a housing of this type can be produced particularly well in plastic.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (7)

  1. Boîtier destiné à loger un ventilateur tout en formant un canal d'écoulement comportant une tubulure d'amenée d'air et une tubulure d'évacuation d'air possédant une section transversale aplatie et qui sont disposées en étant réciproquement alignées et peuvent être raccordées à des canaux d'amenée d'air et d'évacuation d'air constituant un système tubulaire, une paroi extérieure du boîtier en forme de boîte formant, avec les parois extérieures des canaux d'amenée et d'évacuation d'air possédant des arêtes de grande longueur en coupe transversale, une surface essentiellement plane, caractérisé en ce que le boîtier (20) s'élargit en forme de boîte essentiellement sur le côté opposé à la surface plane (24) et que le canal d'écoulement forme une section du système tubulaire, à l'intérieur de laquelle est disposée un ventilateur (32) agencé en tant que ventilateur radial et dont l'axe est essentiellement parallèle aux parois extérieures, qui possèdent des arêtes de grande longueur en coupe transversale, des canaux d'amenée d'air et d'évacuation d'air.
  2. Boîtier selon la revendication 1, caractérisé en ce que le canal d'écoulement formé par le boîtier en forme de boîte (20) s'élargit à la manière d'un diffuseur depuis la tubulure d'amenée d'air (21) jusqu'au niveau du ventilateur (32), cet élargissement se rétrécissant, au niveau de l'embouchure de la tubulure d'évacuation d'air (22), essentiellement jusqu'à la section transversale de cette tubulure.
  3. Boîtier selon l'une des revendications 1 ou 2, caractérisé en ce que le ventilateur (32) est agencé sous la forme d'un ventilateur radial aspirant sur deux côtés et dont le côté refoulement (35) est dirigé vers la tubulure d'évacuation d'air (22).
  4. Boîtier selon l'une des revendications 1 à 3, caractérisé en ce que l'air, qui circule depuis la tubulure d'amenée d'air (22) pour pénétrer dans l'élargissement en forme de diffuseur, est divisé, par un diviseur d'écoulement (28) réalisé approximativement sous la forme d'une proue d'un navire, en deux courants d'air partiels, le rapport de division étant essentiellement égal à 1:1.
  5. Boîtier selon l'une des revendications 1 à 4, caractérisé en ce que le diviseur d'écoulement (28) possède une cavité (22), dont l'espace intérieur peut loger des composants électriques (3).
  6. Boîtier selon l'une des revendications 1 à 5, caractérisé en ce que le boîtier en forme de boîte (20) est formé par des éléments individuels en forme de coques, que l'élément de coque (25), dont la paroi extérieure forme, avec les parois extérieures des canaux d'amenée et d'évacuation d'air, une surface essentiellement plane (24), est intégrée dans le système tubulaire, tandis que la partie de coque (40), qui ne possède pas la partie élargie en forme de boîte, est reliée à la partie intégrée (25) du circuit.
  7. Boîtier selon l'une des revendications 1 à 6, caractérisé en ce que le ventilateur (32) est fixé dans la partie de coque (25) intégrée dans le système tubulaire, mais que la majeure partie de son volume s'étend dans la partie de coque (40) élargie en forme de boîte.
EP92101008A 1991-02-18 1992-01-22 Boîtier pour fixer un ventilateur Expired - Lifetime EP0499813B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4104965A DE4104965C2 (de) 1991-02-18 1991-02-18 Gehäuse zur Aufnahme eines Gebläses
DE4104965 1991-02-18

Publications (3)

Publication Number Publication Date
EP0499813A2 EP0499813A2 (fr) 1992-08-26
EP0499813A3 EP0499813A3 (en) 1993-03-03
EP0499813B1 true EP0499813B1 (fr) 1996-04-17

Family

ID=6425285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92101008A Expired - Lifetime EP0499813B1 (fr) 1991-02-18 1992-01-22 Boîtier pour fixer un ventilateur

Country Status (2)

Country Link
EP (1) EP0499813B1 (fr)
DE (2) DE4104965C2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10112010B4 (de) 2001-03-13 2018-03-08 Valeo Klimasysteme Gmbh Luftführungskanal und Kraftfahrzeugs-Heiz-, Belüftungs- und oder Klimaanlage
DE102004019410B3 (de) * 2004-04-19 2005-06-02 Schako Klima Luft Ferdinand Schad Kg Zweigniederlassung Kolbingen Vorrichtung zum Ein- und/oder Ausbringen von Luft in/aus einen/m Raum
GB2442979B (en) * 2006-10-17 2011-10-05 Farmer Controls Plc Extraction unit
DE102007021318A1 (de) 2007-05-07 2008-11-13 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugsgehäuse und Dunstabzugshaube
GB0800664D0 (en) * 2008-01-15 2008-02-20 Titon Hardware Housings for ventilation systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1887477U (de) * 1963-12-09 1964-02-13 Roos & Lingott O H G Klima Ele Raumluefter.
DE1917015C3 (de) * 1969-04-02 1975-11-20 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zum Regeln der Amplitude des Ausgangssignals einer Fernsehaufnahmeröhre
DE2123289A1 (de) * 1970-05-29 1971-12-09 Svenska Flaektfabriken Ab Anordnung bei einem als eine Behandlungseinheit im Gehäuse einer lüftungstechnischen Anlage ausgeführten Lüfteraggregat
DE3427005A1 (de) * 1984-07-21 1986-01-30 Erik Dipl.-Ing. 2000 Hamburg Denker Bauteile fuer raumlufttechnische anlagen (rlt-anlagen)
DE8507233U1 (de) * 1985-03-13 1985-04-25 Viessmann Werke Kg, 3559 Allendorf Lüftungsgerät

Also Published As

Publication number Publication date
DE4104965C2 (de) 1995-06-29
DE4104965A1 (de) 1992-08-20
DE59205987D1 (de) 1996-05-23
EP0499813A3 (en) 1993-03-03
EP0499813A2 (fr) 1992-08-26

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