EP3368773A1 - Luftansaugvorrichtung für eine dunstabzugshaube - Google Patents
Luftansaugvorrichtung für eine dunstabzugshaubeInfo
- Publication number
- EP3368773A1 EP3368773A1 EP16775148.6A EP16775148A EP3368773A1 EP 3368773 A1 EP3368773 A1 EP 3368773A1 EP 16775148 A EP16775148 A EP 16775148A EP 3368773 A1 EP3368773 A1 EP 3368773A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor shaft
- fan wheel
- fan
- air intake
- intake device
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 37
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 239000012528 membrane Substances 0.000 claims description 3
- 230000001747 exhibiting effect Effects 0.000 claims description 2
- 239000004519 grease Substances 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 101100390736 Danio rerio fign gene Proteins 0.000 description 3
- 101100390738 Mus musculus Fign gene Proteins 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- MBYLVOKEDDQJDY-UHFFFAOYSA-N tris(2-aminoethyl)amine Chemical compound NCCN(CCN)CCN MBYLVOKEDDQJDY-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
-
- 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
Definitions
- the invention relates to an air intake device for a fume extractor and a hood with an air intake.
- Extractor hoods with air intake devices are known in various designs.
- the air intake devices of extractor hoods should be comparatively easy to clean. This is especially true for the fan, which may be advantageous in terms of flow design as axial or radial fan and should be located immediately behind the air inlet opening of the fan housing. From a hygienic point of view, it is also an advantage if grease filters are not used and the removal of grease drops or others from the
- Air flow entrained particles are separated by deflection of the air flow.
- hoods which are fluidically designed such that the aforementioned features of an air intake device are given.
- the object of the invention is to provide an air intake device for an extractor hood, in which, for example, for cleaning purposes, the fan can be removed from the engine, the connection of motor shaft and fan is sufficiently stable that the fan during rotation substantially none of the rotational movement superimposed learns more movements.
- the invention proposes an air intake device for an extractor hood, wherein the air intake device is provided with
- a fan housing having an air inlet opening and an air outlet opening
- a motor disposed in the fan housing having a drivable motor shaft rotatable about a central axis and having an axial end surface and an outer peripheral surface;
- a fan wheel arranged in the fan housing, which has a receiving recess with a bottom surface and an inner peripheral surface for attaching the fan wheel to and for removing the fan wheel from the motor shaft,
- a rotational drive means for rotationally driving the fan wheel by the rotatable motor shaft.
- Detent projection on either the outer peripheral surface of the motor shaft or the inner peripheral surface of the receiving recess of the fan and one for engaging behind by the at least one latching projection has seen circumferential rear projection on either the inner peripheral surface of the receiving recess of the fan or the outer peripheral surface of the motor shaft and
- the rotary driving device has a driving projection, which is arranged either on the motor shaft or in the receiving recess of the fan wheel, and a freewheeling path for the driving projection running along a part-circle line, which is formed either in the receiving recess of the fan wheel or on the motor shaft and along which the driving projection projects on the motor shaft plugged fan and a relative rotational movement of the motor shaft and fan is movable,
- the freewheeling path has a movement limiting surface for engagement by the driving projection and thus for entrainment of the fan wheel by the rotatable motor shaft.
- the fan can be mounted detent on the motor shaft.
- the latching connection device has at least one spring-loaded latching projection and a rear engagement projection corresponding thereto.
- the at least one latching projection is arranged either on the outer circumferential surface of the motor shaft or on the inner peripheral surface of a receiving recess of the fan wheel.
- the rearward projection is alternatively arranged on either the inner circumferential surface of the receiving recess of the fan wheel or on the outer circumferential surface of the motor shaft.
- there are at least three or at least five such latching projections which may be designed as spring-loaded balls (also called pressure balls).
- the latching connection device prevents the fan from automatically coming off the motor shaft.
- the latching connection device may not be reliable enough to ensure that the fan wheel is rotatably taken with rotation of the motor shaft of this. It can So under certain circumstances occur the case that between the motor shaft and fan during rotation, a slip occurs, which is basically undesirable.
- the invention begins by the air intake device is provided with a rotary driving device for rotational driving of the fan by the rotating motor shaft.
- This rotary driving device has a driving projection on either the motor shaft or the receiving recess of the fan wheel and at least one corresponding movement limiting surface for the driving projection on either the receiving recess of the fan wheel or the motor shaft.
- the fan wheel and motor shaft can rotate relative to one another only insofar as the at least one driving projection bears against the at least one movement limiting surface, so that the motor shaft now rotates the fan wheel via the driving projection.
- the advantage of this measure is that the fan wheel can be attached to it in essentially almost any relative rotational position to the motor shaft and that the motor shaft and fan wheel have a defined rotational position during rotation. For this position, both rotary components (motor shaft and fan wheel) are balanced so that the fan wheel "runs smoothly” even at high speeds.
- the driving projection of the rotary driving device can thus along a partial circle line, which defines a freewheeling path, move when the motor shaft and fan are plugged together, up to the stop on the movement limiting surface.
- the movement limiting surface may be formed as a projection, or it forms the end of a driving groove for the Aufaufut take the driving projection.
- the driving groove also extends in a circular or partial circular shape and is formed either on the end face of the motor shaft or in the bottom surface of the receiving recess of the fan wheel.
- the driving groove extends over almost 360 °, wherein in the driving groove a barrier web is formed, which defines on one side the beginning, and thus a firstensbegrenzungsfikiee, and on the other side the end, and thus a secondensbegrenzungsfizze, the driving groove , On one of these sides of the barrier web then the driving projection is on to turn the fan when rotating the motor shaft.
- the driving projection itself can thus protrude decentralized from the end face of the motor shaft and extends in particular parallel to the axial extent of the motor shaft.
- the driving projection may conveniently be arranged fixed.
- the barrier web or the projection limiting theorientsbegrenzungsfizze for the driving projection should be as narrow as possible, so that motor shaft and fan can not mate only in an extremely small angular range (which is the case when the driving projection when plugging both components axially against thetrustsbegrenzungsfiambae defining privacysbegrenzungs Structure- projection (eg., barrier web) abuts).
- the driving projection which in turn is spring-loaded in this exemplary embodiment in this case acts as a latching projection which deflects a rearward projection and automatically disengages after passing it, in which case the movement limiting surface is arranged behind the rearward projection on the inner peripheral side of the receiving recess of the fan wheel.
- the fan is axially stretched against the motor shaft and is centered radially to the motor shaft.
- the radial centering can be advantageously realized by the spring-loaded locking projections, which are advantageously distributed uniformly distributed for this purpose over the circumference of the motor shaft and the receiving recess.
- the axial tension of the fan against the end face of the motor shaft is thus realized in that move the spring-loaded locking projections when attaching the fan to the motor shaft on the Hintergreifvorsprung the locking connection means over, under engagement against the biasing force of the latching projections, when the latching projections have passed the Hintergreifvorsprung, they move back automatically due to the spring force.
- the design is now designed so that the latching projections abut the trailing edge of the rearward projection, viewed in the slip-on direction, when the end face of the motor shaft contacts the bottom surface of the receiving recess of the fan wheel.
- the driving projection of the rotary driving device necessarily requires an eccentric mass, wherein the unbalance generated thereby must be compensated by a counterweight.
- the motor shaft or the receiving recess of the fan wheel made of light metal, such as aluminum or an aluminum alloy.
- the driving projection is expediently made of a harder material than the light material, namely, for example, made of steel.
- the driving projection diametrically opposite to the motor shaft or the receiving recess of the fan must be introduced an additional mass.
- the mass balance due to the formation of the projection defining the movement limiting surface or, as described above in connection with the driving groove, of the locking bar.
- the mass reduction can be offset axially and / or radially to the aforementioned position. That is, instead of adding mass at a diametrically opposite position along an imaginary radial line originating from the center point on which the driving projection or the movement limiting surface projection lies, mass can be reduced or mass reduced. Also, both are described above Measures for balancing motor shaft or fan wheel can be used in combination.
- the driving projection is aligned parallel and eccentric to the central axis of the motor shaft and that the freewheeling path as a concentric to the central axis of the motor shaft extending, circular and extending over less than 360 ° driving groove for receiving the driving projection is formed, which is formed either in the bottom surface or in a substantially parallel to this surface of the receiving recess of the fan or in the end face of the motor shaft, wherein the driving groove has at at least one of its ends the movement limiting surface.
- the free-wheeling path extends as far as possible over almost 360 °, so that the fan wheel can be attached to the motor shaft in almost all relative rotational positions without the driving projection of the rotary driving device colliding with the movement-limiting surface.
- a web forming the movement limiting surface is arranged in the driving groove between its two ends.
- the driving projection is resiliently biased and thus engageable against the spring force and automatically disengaged due to the spring force.
- the driving projection on the outer peripheral surface of the motor shaft or on the inner peripheral surface of the receiving recess of the fan wheel is arranged and further for engaging behind either on the inner peripheral surface of the receiving recess of the fan or on the outer peripheral surface of the motor shaft
- the rotational drive device is resiliently biased and when the freewheeling path of the rotary driving means along the Deutschengreifvorsprungs the rotary driving device extends.
- the Hintergreifvorsprung the rotary driving device may extend substantially parallel to the Hintergreifvorsprung the locking connection means, it may also be appropriate that the driving projection of the rotary driving device of the locking projections of the locking connection unit and that the Hintergreifvorsprung the rotary driving device identical to the Deutschengreifvorsprung the locking connection device is.
- the receiving recess of the fan should be made of light metal material. Incidentally, however, the weight of the fan should be as low as possible, with low-cost materials are used. It is advisable that the fan has an outboard, including fan blades exhibiting peripheral part and a hub part enclosed by this and that in the hub part, the receiving recess of the fan is formed. It is now possible to manufacture the peripheral part with, among other things, the fan blades made of plastic, with which the hub part of the fan wheel is molded with its receiving recess.
- the hub part and the motor shaft are balanced and / or the fan is balanced in its under attached to the driving projection on the movement limiting surface on the motor shaft state together with the motor shaft.
- the latching connection device has at least three latching projections arranged uniformly spaced apart from one another, and that the latching projections, when the fan wheel is plugged onto the motor shaft, can be centered. tion of the fan relative to the motor shaft under spring tension on the
- the Rastvorsprü lengths in the plugged onto the motor shaft state of the fan for applying an axial thrusting of the fan to the motor shaft provided axial force on the fan with spring tension on the H intergreifvorsprung the locking connection device.
- the housing has an intake port for the suction of air.
- the fan wheel Directly behind the inlet opening is expediently the fan wheel in the form of preferably an axial or radial fan wheel.
- the fat drops or the like. But even particles of inducted airflow are deposited on the fan wheel so that the risk that at quietest ⁇ hendem fan these fat droplets drip through the inlet port of the air intake of the hood down.
- expediently in the inlet opening provided with m recesses Abdecktei l introduced, wherein the cover around an open ⁇ nen annular space is formed, via which, as well as on the recesses, air can be sucked. But it is also possible that the cover has no savings ⁇ off, so far as it is closed. In both cases, the cover serves as a grease drop collecting element, and surprisingly even if there are recesses, i. H . Has holes.
- Plate member trained cover with its large number of holes verhin ⁇ namely, nevertheless, that on the cover dripping grease does not pass through the openings further down.
- the formation of the cover as a perforated plate thus also serves to reliably prevent the dripping of fat from the fan and through the inlet opening of the
- the openings are provided with curved or partially straight polygonal opening edges. Triangular, hexagonal or honeycombed opening edges are particularly suitable here.
- the pull-out handle provides a convenient way to first remove the second housing part and, if necessary, then remove the fan or both at the same time for cleaning.
- the second housing part and the fan remain connected by the Abziehgriff with each other and can be cleaned in this state, for example, in a dishwasher. But it is also conceivable that you fan and second housing part and peel handle from each other tren ned and then cleans.
- the pull-off handle is provided with a handle part and a connecting part protruding therefrom for attachment to the fan wheel and / or the second housing part.
- the Ab ⁇ pull handle or connecting part m eans of a screw or Bajonettverbin- Dung on the fan and / or the second housing part is attachable.
- an automatically self-closing valve which opens automatically when introducing the connecting part of the handle part and automatically closes when m moving out of the connection ⁇ part of the handle part
- the closure valve is a flap valve or Closure valve has a cross-slit elastomeric membrane. So the closure valve of the passage opening of the ex ⁇ covering elements can be, so to speak you rch pierce the connecting part of the peel ⁇ handle, and it automatically closes again when removing the Abziehgriffs.
- Corresponding sealing elements and in particular elastic plugs with cross-strands or with star-shaped slots are known in principle.
- This insertion may comprise several, preferably evenly spaced around the second housing part around in front ⁇ A ⁇ guide webs or also a ring element being provided in both cases, the side facing the second housing part faces it Ein Industriesschräg perennial m.
- the ring element is / are therefore the inside and / or inwardly projecting webs formed as Ein Industriesschräg Structure.
- the air intake device according to the invention may further comprise the embodiments described in the above-mentioned writings. In that regard, therefore, the objects of the above-mentioned writings hierm it by clutchnah me to the content of the present patent application.
- the invention further relates to an air intake device for an extractor hood, with
- a motor arranged in the fan housing with a drivable motor shaft which can be rotated about a central axis and has an axial end face and with an outer peripheral face,
- a fan arranged in the fan housing which has a Aufnah ⁇ mevertiefung with a bottom surface and an inner peripheral surface for attaching the fan to the and for removing the fan from the Motorwel le,
- housing at the air inlet opening has a m with recesses and / or openings provided and / or disposed at an axial and / or radial distance to the air inlet opening cover member.
- This variant of the invention h is provided in the drip protection below the air inlet opening of the fan housing h with a cover, which has the already above beschieben special recesses or openings.
- the cover is designed as egg n disc or plate member and / or that the openings have curved or partially straight polygonal edges.
- the invention further relates to an air intake device for an extractor hood which is provided with it
- a fan housing having an air inlet port and an air outlet port
- a motor arranged in the fan housing with a drivable motor shaft which can rotate about a central axis and has an axial end face and with an outer peripheral surface
- a fan wheel arranged in the fan housing, which has a receiving recess with a bottom surface and an inner peripheral surface for
- a rotational drive device for rotationally driving the fan wheel through the rotatable motor shaft
- the two housing parts are releasably m connected to one another and wherein a Abziehgriff on the fan and / or the second housing part is attachable, for removing the fan from the motor shaft and / or for removing the second housing part of the first housing part.
- this embodiment of the invention may further be provided n that the Pull Tab having a handle portion and a thereof projecting connecting portion for attachment to the fan wheel and / or the second housing part and / or that the Pull Tab or its connecting portion with ⁇ means of a screw or Bayonettverbindu ngs adopted on the fan and / or the second housing part can be brought on.
- the air inlet opening is formed on the second housing part in extension of the motor shaft u nd that the connecting part of the Abziehgriffs is attachable to the fan, wherein the connecting part of the Abziehgriffs through the air inlet opening h through to the motor shaft extends and the handle portion of the peel-off handle is supported on the second housing part.
- the second housing part at the Luftein lassö réelle a provided with recesses and / or spaced from the air inlet opening axially and / or radially arranged cover member that the Abdeckele ⁇ ment a particular has centrally arranged passage opening for the Ver ⁇ binding part of the handle portion and that the handle part of Abziehgriffs ngsteils on attachment of his Verbindu on the motor shaft on the cover can be supported, wherein the distance to r air inlet opening arranged in front of this cover with the above-described special len Aus ⁇ savings and / or openings can be provided and thus it forms a drip protection.
- the cover element can be used as a disc or plate be executed element, wherein the openings have curved or partially straight polygonal edges or hexagonal and / or honeycomb duri ⁇ fende edges.
- n automatically closing closure valve is arranged, which automatically opens at m insertion of the connecting part of the handle part and automatically closes at m moving out of the connecting part of the handle part.
- the closure valve is a flapper valve or that the closure valve has a more elastic Mem bran with cross recess.
- the invention further relates to an air intake device for an extractor hood, which is provided with
- a motor arranged in the fan housing with a drivable motor shaft which can be rotated about a central axis and has an axial end face and with an outer circumferential face,
- a fan arranged in the fan housing which has a Aufnah ⁇ mevertiefung with a bottom surface and an inner peripheral surface for attaching the fan to the and for removing the fan from the Motorwel le,
- a rotary driving device for rotationally driving the fan wheel by the rotatable motor shaft
- an insertion aid with insertion ⁇ bevel for centric alignment of second housing part provided relative to the first housing part at m assembly of the two housing parts.
- the Einstocked Vietnamese Vietnamese tile has a plurality of in NEN projecting webs, the inwardly facing narrow sides form a u nterchrochene Ein Industriesschräg Structure.
- the above-described variants of the air intake device according to the invention can be installed for example in an extractor hood, which is why the invention also relates to an extractor hood with air intake device according to one of the variants described above.
- the invention will be explained in more detail using an exemplary embodiment and with reference to the drawing. In detail, they show:
- FIG. 1 is a cross-sectional view through a fume extractor with arranged in this air intake device
- FIG. 4 is a plan view of the center of the fan wheel, with its hub portion arranged receiving recess for showing the driving groove and the indicated driving projection of the rotary driving device,
- FIG. 5 is a plan view of the end face of the motor shaft with radially arranged pressure balls and driving projection
- FIG. 1 is a longitudinal section through an extractor hood 10 with air intake 12 is shown.
- the air intake device 12 has a housing 14 with an air inlet opening 16 and an air outlet opening 17.
- the housing 14 is composed of a first upper housing part 18 and a detachable from this lower second housing part 20.
- the upper housing part 18 is attached to the housing 22 of the hood 10 hanging.
- the second housing part 20 has an example, the air inlet opening 16 having plate 24, which forms the lower end of the extractor hood 10 and the air intake device 12.
- a motor 26 is arranged with motor shaft 28, wherein the motor shaft 28 has an outer peripheral surface 29 and is arranged centrally above the air inlet opening 16.
- a fan 30 Placed on the motor shaft 28 is a fan 30 with fan blades 32, the air sucked axially via the air inlet opening 16 and blows radially.
- the fan 30 is located within the second housing part 20, wherein the radially exiting air is deflected by 90 ° due to the second housing part 20, wherein particles and fat droplets are deposited on the inner side 34 of the lower housing part 20.
- a special feature of the air intake device 12 can be seen in the stable coupling of motor shaft 28 and fan 30. It should be noted that the fan 30 is removable from the motor shaft 28.
- the motor shaft 28 can be connected by means of a latching connection device 36 with the fan 30 latching.
- the fan 30 has an example Plastic peripheral portion 38 and a hub portion 40, which in this embodiment comprises a circumferential, concentric collar 42 made of plastic, which encloses a metal insert 44. In this way, a receiving recess 46, in which the motor shaft 28 is inserted, when the motor shaft 28 and fan 30 are rotatably connected.
- the receiving recess 46 has a bottom surface 48 and an inner circumferential surface 50.
- a circular catch groove 52 is formed (see also FIG. 4), which does not extend completely over 360 ° and has a (barrier) web 54.
- the driving groove 52 extends concentrically with the motor shaft axis 56.
- a driving projection 60 which is in the form of a pin.
- the entrainment projection 60 dips into the driving groove 52, so that the driving projection 60 in the driving groove 52 can move along a freewheeling path 62 if, when the motor shaft 28 rotates between the latter and the fan wheel 30, slippage should occur.
- the relative rotation of motor shaft 28 and fan wheel 30 is completed at the moment in which the driving projection 60 abuts against the forward end of the driving groove 52 in the direction of rotation.
- This front end forms a movement limiting surface 64 for the driving projection 60, which now entrains the fan wheel 30 upon rotation of the motor shaft 28, without slippage.
- the driving protrusion 60, the driving groove 52 and thenamsbegren- zungs constitutional 64 form a rotary driving device 66 for rotational drive of the fan 30 by the rotating motor shaft 28th
- the locking connection means 36 which has a plurality of spring-loaded spherical locking projections 68 in this embodiment, the pressure balls 70 form.
- the latching projections 68 slide along the inner circumferential surface 50 of the receiving recess 46 until they reach a latching groove 72 in the inner peripheral surface 50 of the receiving shaft 46. Reach depression 46.
- the front edge 74, viewed in the insertion direction, of the circumferential latching groove 72 forms a rear engagement projection 76, behind which (again in the slip-on direction) the latching projections dip into the latching groove 72.
- the fan wheel 30 can be attached to the motor shaft 28 in almost any relative rotational position. Only when the driving projection 60, viewed in the axial direction of the motor shaft 28, is aligned with the web 54 of the driving groove 52, the fan 30 can not be fully attached to the motor shaft 28.
- One possibility that the complete connector is possible in this situation is to store the driving projection 60 so that it can engage when it strikes the web 54.
- the driving projection 60 then immersed in the driving groove 52 and can then in this, if further slip between the motor shaft 28 and fan 30th is given to move in the driving groove 52 until it comes into contact with theußsbegrenzungs- surface 64. From there, the fan 30 is then rotated about the driving projection 60 of the motor shaft 28.
- a counterweight 80 is inserted in its end face 58.
- additional material used to compensate for imbalance due to the accumulation of material in the web 54 of the driving groove 52 is used.
- a cover element 82 is used, which is formed in this embodiment as a perforated disc 84.
- an annular clearance 86 remains in the air inlet opening 16, through which air can flow into the air inlet opening 16.
- the openings 88 have a round or polygonal, in particular hexagonal or honeycomb-shaped edge profile 89.
- the cover member 82 is primarily for receiving grease drops or the like. Drops of liquid that could drip from this when the fan 30 is stationary. The liquid does not continue to flow down through the openings 88 but remains "suspended" at the opening edges. These opening edges could be increased on the inner side 90 of the cover element 82 facing the fan wheel 30.
- the two housing parts are latching with each other.
- a seal 98 should be disposed between the two housing parts.
- the second housing part 20 can now be removed from the first housing part 18.
- a Abziehgriff 100 which has a handle portion 102 and a projecting from this connecting part 104, which is formed in this embodiment as a shaft with threaded end 106.
- the peel-off handle 100 is inserted from below through the cover member 82 to be screwed to the fan 30 for the purpose of Pulling off fan impeller 30 and second housing part 20 screwed or ver ⁇ hooked.
- FIG. 7 The cover member 82 has for this purpose a Jerusalemsöffn ung 108, which is automatically opened and closed by a closure valve 110 when the connecting part 104 of the peel-off handle 100 egg ni. This too is shown in FIG. 7.
- the second housing part 20 can be pulled off the first housing part 20 via the pull-off handle 100 with the fan wheel 30 (see FIG. 8).
- the screw connection between Pull Tab 100 and fan 30 may by Aufhe ⁇ this environment are removed from the second housing part 20 then (see Fig. 9).
- the closure valve 110 has a membrane with a cross-hatch 112, whereby four quarter-circle parts 114 which escape into the passage opening 108 during the insertion of the connection part 104 of the pull-off handle 100 and face upwards.
- the insertion aid member 122 may be configured as a separate member from the first housing member 18 (see Figures 1 and 7 to 9) or integrally with the first housing member 18 (see Figure 10).
- the sloped surface 120 may be formed as a continuous, circumferential surface or in the form of the side surfaces of lands 124 that project inwardly from the insertion assist member 122 (see FIG. 11).
- FIGS. 12 to 15 show how the second housing part 20 and the fan wheel 30 are disassembled or assembled in two steps.
- the peel-off handle 100 ' is first connected to the housing part 20 (FIG. 12) in order to remove it from the first housing part 18 (FIG. 13). Thereafter, the peel-off handle 100 'is released from the second housing 20 to be connected to the fan 30 (FIG. 14) so that it can be withdrawn from the motor shaft 28 (FIG. 15).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Ventilation (AREA)
- Prevention Of Fouling (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16775148T PL3368773T3 (pl) | 2015-09-28 | 2016-09-26 | Urządzenie do zasysania powietrza dla okapu wyciągowego |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015218612.1A DE102015218612B3 (de) | 2015-09-28 | 2015-09-28 | Luftansaugvorrichtung für eine Dunstabzugshaube |
PCT/EP2016/072802 WO2017055199A1 (de) | 2015-09-28 | 2016-09-26 | Luftansaugvorrichtung für eine dunstabzugshaube |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3368773A1 true EP3368773A1 (de) | 2018-09-05 |
EP3368773B1 EP3368773B1 (de) | 2019-05-01 |
Family
ID=57047197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16775148.6A Active EP3368773B1 (de) | 2015-09-28 | 2016-09-26 | Luftansaugvorrichtung für eine dunstabzugshaube |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP3368773B1 (de) |
CN (1) | CN108138790B (de) |
DE (1) | DE102015218612B3 (de) |
ES (1) | ES2736400T3 (de) |
PL (1) | PL3368773T3 (de) |
TR (1) | TR201908847T4 (de) |
WO (1) | WO2017055199A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2605574A (en) * | 2021-03-30 | 2022-10-12 | Elta Group Ltd | Air Pump, Modular Positive Input Ventilation Apparatus and Positive Input Ventilation Apparatus |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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DE202016107354U1 (de) | 2016-12-23 | 2017-03-27 | Berling Aero IP UG (haftungsbeschränkt) | Dunstabzugshaube mit rundem Einströmungsbereich in schräger Führungsfläche |
CN108361816B (zh) * | 2017-01-25 | 2019-08-13 | 珠海格力电器股份有限公司 | 一种空调器 |
DE102017217853B4 (de) | 2017-10-06 | 2022-07-07 | Wilhelm Bruckbauer | Kochfeldsystem mit Dunstabzugsvorrichtung |
CN107503975B (zh) * | 2017-10-18 | 2018-06-22 | 江门市裕浩家用电器有限公司 | 一种电风扇防护装置 |
IT201800004522A1 (it) * | 2018-04-16 | 2019-10-16 | "cappa perfezionata del tipo a saliscendi o up and down" | |
EP3788264B1 (de) | 2018-05-04 | 2022-01-05 | Inovvida Aero IP UG (Haftungsbeschränkt) | Luftreinigungsvorrichtung, insbesondere für kochwrasen, und verwendung davon |
CN108592127A (zh) * | 2018-07-20 | 2018-09-28 | 广东美的厨房电器制造有限公司 | 内循环式吸油烟机 |
CN108592126B (zh) * | 2018-07-20 | 2024-07-19 | 广东美的厨房电器制造有限公司 | 内循环式吸油烟机 |
CN109611351A (zh) * | 2018-12-26 | 2019-04-12 | 南京航空航天大学 | 一种离心/轴流混合式风机及其组成的抽油烟机 |
CN110159557A (zh) * | 2019-06-27 | 2019-08-23 | 杭州老板电器股份有限公司 | 风机及油烟机 |
DE102019132607A1 (de) * | 2019-12-02 | 2021-06-02 | Inovvida Aero Ip Ug (Haftungsbeschränkt) | Laufradaufnahme |
CN112032094B (zh) * | 2020-08-21 | 2022-04-22 | 瑞卡斯(南京)精密机械有限公司 | 一种叶轮传动轴及冷却水泵 |
Family Cites Families (11)
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DE7927313U1 (de) * | 1979-09-26 | 1981-03-12 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Pumpe, insbesondere kreiselpumpe fuer wasserfuehrende haushaltgeraete |
DE3683962D1 (de) * | 1985-07-01 | 1992-04-02 | Easthorpe Investments Ltd | Zentrifugalpumpe. |
DE102009022720B4 (de) * | 2009-05-26 | 2020-11-05 | Sew-Eurodrive Gmbh & Co Kg | Lüfteranordnung |
CN201652535U (zh) * | 2010-01-05 | 2010-11-24 | 冯兆初 | 一种抽油烟机用的风轮 |
KR101685054B1 (ko) * | 2010-08-24 | 2016-12-09 | 후지 인더스트리얼 컴퍼니 리미티드 | 팬의 원 터치 착탈 장치 |
DE102011015360A1 (de) * | 2011-03-28 | 2012-10-04 | Berling Gmbh | Dunstabzugshaube |
DE102011015357A1 (de) * | 2011-03-28 | 2012-10-04 | Berling Gmbh | Dunstabzugshaube mit Verschlussdeckel |
DE102011015359B4 (de) * | 2011-03-28 | 2021-01-07 | Berling Aero IP UG (haftungsbeschränkt) | Dunstabzugshaube mit Abziehgriff |
DE102011015361A1 (de) * | 2011-03-28 | 2012-10-04 | Berling Gmbh | Dunstabzugshaube |
DE102011015358A1 (de) * | 2011-03-28 | 2012-10-04 | Berling Gmbh | Dunstabzugshaube |
DE102011117826B4 (de) * | 2011-11-08 | 2021-01-07 | Berling Aero IP UG (haftungsbeschränkt) | Dunstabzugshaube mit integrierter oder teilintegrierter Motoranordnung im Radiallüfter |
-
2015
- 2015-09-28 DE DE102015218612.1A patent/DE102015218612B3/de active Active
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2016
- 2016-09-26 WO PCT/EP2016/072802 patent/WO2017055199A1/de active Application Filing
- 2016-09-26 CN CN201680056715.6A patent/CN108138790B/zh active Active
- 2016-09-26 PL PL16775148T patent/PL3368773T3/pl unknown
- 2016-09-26 EP EP16775148.6A patent/EP3368773B1/de active Active
- 2016-09-26 ES ES16775148T patent/ES2736400T3/es active Active
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2605574A (en) * | 2021-03-30 | 2022-10-12 | Elta Group Ltd | Air Pump, Modular Positive Input Ventilation Apparatus and Positive Input Ventilation Apparatus |
Also Published As
Publication number | Publication date |
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DE102015218612B3 (de) | 2016-12-01 |
PL3368773T3 (pl) | 2019-10-31 |
WO2017055199A1 (de) | 2017-04-06 |
EP3368773B1 (de) | 2019-05-01 |
CN108138790A (zh) | 2018-06-08 |
TR201908847T4 (tr) | 2019-07-22 |
ES2736400T3 (es) | 2019-12-30 |
CN108138790B (zh) | 2020-03-10 |
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