DE102008027470A1 - Fume extractor hood e.g. island chimney, for use in fireplace, has suspension device comprising electric motor with cable pull and deflection roller for adjusting height of suction area housing, where hood is operated in height - Google Patents

Abstract

The hood e.g. island chimney (100), has a suction area housing (110) for surrounding a suction area of the hood, and a suspension device for fastening of the hood at a ceiling above a cooking hob or a fireplace. The suspension device has an electric motor comprising a cable pull (10) and a deflection roller for adjusting a height of the housing, where the hood is operated in the height. The cable pull and the roller are completely surrounded by a base plate (20) and an upper side of the housing in an idle position of the hood. An independent claim is also included for a method for extracting vapors.

Description

Technical area

The present invention relates to an extractor hood according to the preamble of claim 1 (= DE 198 10 818 A1 ) and a method for extracting vapors according to the preamble of claim 15.

State of the art

Extractor hoods are placed over hotplates to extract and filter the vapors or vapors produced during cooking. The extraction capacity of the extractor hood is more efficient the closer the extractor hood is to the vapors or vapors produced. However, the distance between the hob and the cooker hood must be such that the cooker hood does not obstruct the user's view and access to the hob. The optimum height for mounting the cooker hood above the cooking area therefore varies depending on the cooking situation or size of the user of the cooker hood. Against this background are from the prior art, for example from the publications DE 43 22 662 C2 . DE 198 14 000 C2 . DE 41 05 004 A1 . DE 85 30 783 U1 . EP 1 784 605 B1 and EP 0 521 810 A2 height adjustable cooker hoods known. These known extractor hoods have a telescopic outlet channel or a telescopic Kamingehäuse that can be pushed together or pulled apart to change the height of the hood. Furthermore, from the publications DE 34 36 999 A1 and DE 42 01 209 C2 for their operation lowerable cooker hoods known. In all these known height-adjustable hoods, the hood is however always located at a distance from the ceiling and is thus each within the field of view of the user.

An extractor hood according to the preamble of claim 1 is made 5 the publication DE 198 10 818 A1 known. This cooker hood can be attached to a ceiling by means of a height-adjustable suspension system. The suspension system comprises a rail guided in rails and a rope with a retractor as used in height adjustable lamp systems. By means of this construction, the hood can be moved in three levels. However, this hood on the ceiling directed toward air outlet openings and can therefore only be operated at a distance from the ceiling.

DESCRIPTION OF THE INVENTION: Problem, Solution, advantages

outgoing from the disadvantages and shortcomings set out above and in appreciation of the state of the art outlined The present invention is based on the object, an extractor hood of the type mentioned in such a way that the operation of Extractor hood variably adapted to different cooking situations can be and the cooker hood as much freedom over the cooking island or the cooking area granted.

These The object is achieved by an extractor hood with the features specified in claim 1 and by a method having the features specified in claim 15 solved. Advantageous embodiments and expedient Further developments of the present invention are in the subclaims characterized.

therefore The present invention is based on the fact that the altitude the extractor hood is adjustable and the extractor hood in Every altitude is operable. Thus, the cooker hood variable to different cooking situations and user sizes be adjusted.

For example the extractor hood can also in their parking position or rest position, so if it is located at the top of the ceiling, operated. This can be used, for example, to clean the room air when not in use or with reduced use of the cooking island or the cooking area happen.

The Extractor hood can therefore by means of height adjustment away from the user's field of view, with a maximum distance arranged to the cooking island or cooking area and still for cleaning the room air are used.

According to one advantageous embodiment of the present invention is the Saugraumgehäuse in the rest position of the hood with arranged directly or indirectly to the ceiling. For example can the Saugraumgehäuse in the rest position of the hood at one of the height adjustment receiving, on the ceiling be arranged arranged further housing element.

The further, the height adjustment associated housing element is advantageously open at the bottom and can through the Saugraumgehäuse the extractor hood be completed. So can in the rest position the cooker hood the height adjustment completely from the Saugraumgehäuse and the other housing element be framed. This protects the height adjustment from dirt and damage.

Furthermore, the further housing element Have at least one locking element for releasably connecting the Saugraumgehäuses with the housing element of the height adjustment. This has the advantage that the extractor hood is held in its rest position by the housing element of the height adjustment at the top of the ceiling area.

Preferably the extractor hood is in its rest position with throttled Power operated, allowing energy consumption and noise are reduced in the rest position of the hood.

The Height adjustment can for example by means of an electric Höhenverstellantriebs, preferably by means of a in the Extractor hood integrated electric motor, done. Furthermore, can the height adjustment for positioning and holding the cooker hood in the respectively desired altitude at least have a cable.

According to one the preferred embodiment is the extractor hood for Recirculation mode designed. Recirculation hoods operating in recirculation mode are particularly energy efficient, because the temperature in the recirculating air circuit the room air during the entire ventilation process preserved. The vapor is used for filtering only within of the room. Another advantage of in Umlufbetrieb working extractor hoods is that they do not require any elaborate installation require ventilation ducts.

To the Filtering the drawn off by means of the negative pressure extracted vapors has the extractor hood working in the recirculation mode at least an odor filter, for example at least one activated carbon filter or at least one plasma filter, and at least one fat filter, For example, at least one wet fleece filter on.

The Blow-out opening (s) for blowing out the circulating air are advantageously on at least one side surface of the Saugraumgehäuses arranged the hood. In this way, the hood can also be operated when the ceiling facing the top of the Saugraumgehäuses directly or indirectly connected to the ceiling is.

In order to the extractor hood with maximum distance to the cooking island or cooking area can be arranged, the housing element of the height adjustment and / or the Saugraumgehäuse substantially flat, so with low height, trained. The high of Extractor hood is therefore preferably smaller than the width and as the depth of the cooker hood. To enlarge The active extraction surface can be the suction chamber of the extractor hood be associated with a Wrasenleitschirm. This Wrasenleitschirm is advantageously also formed substantially flat.

In order to the housing surrounding the suction chamber of the hood can be formed flat, the extractor hood are preferably in the suction chamber at least two instead of a big fan smaller fans arranged to generate negative pressure.

According to one particularly preferred embodiment is the extractor hood a solitaire over the kitchen island or the cooking area arranged food. When implemented as Umluftesse the Professional who won over the cooking island or the cooking place To appreciate space freedom especially.

The but according to the invention also realizable as a wall

Brief description of the drawings

As already discussed above, there are various possibilities for embodying and developing the teaching of the present invention in an advantageous manner. For this purpose, reference is made on the one hand to the claims subordinate to claim 1, on the other hand, further embodiments, features and advantages of the present invention, inter alia, by reference to the. By the 1 to 3 illustrated two embodiments explained in more detail

It shows:

1 a schematic front view of a first embodiment of an extractor hood according to the present invention, which is operable according to the method according to the present invention;

2 in a schematic representation of a side view of the hood 1 ; and

3 a schematic representation of a side view of a second embodiment of an extractor hood according to the present invention, which is operable by the method according to the present invention.

The same or similar embodiments, elements or features are in the 1 to 3 provided with identical reference numerals.

Best way to execute the invention

To avoid superfluous repetitions, the following explanations relate to the embodiments, features and advantages parts of the present invention (unless stated otherwise) both in the 1 and 2 shown extractor hood 100 as well as on in 3 shown extractor hood 102 ,

In the 1 and 2 is in each case an electric motor lowered, working in recirculation mode island fair 100 shown. 3 shows an electric motor lowered, working in the recirculation mode Wandesse 102 , The island fair 100 or the Wandesse 102 In fact, it is only needed in activities where unwanted odors and fumes, such as cooking spills, develop. So the Inselesse 100 or the Wandesse 102 When not in use does not bother, it is kept very flat and can by means of a suitable mechanism 10 removed from view after use. In contrast to conventional food, those in the 1 to 3 presented food 100 respectively. 102 thus not dominant even in small kitchens.

The height adjustment of the island fair 100 or the Wandesse 102 can be done, for example, by eating 100 respectively. 102 by means of at least one integrated electric motor (not shown) and at least one cable pull 10 with pulleys 12 can be pulled up after use and on a base plate 20 on the ceiling 300 is mounted, parked. The width and / or the depth of the base plate 20 may be the width and / or the depth of the Saugraumgehäuses 110 correspond, so that the base plate with the Saugraumgehäuse completes (see. 1 ). Alternatively, the width and / or the depth of the base plate 20 also larger (cf. 2 and 3 ) or less than the width and / or the depth of the Saugraumgehäuses 110 ,

In their rest position, in the eating 100 respectively. 102 is not operated at all or with reduced power is the Inselesse 100 or the Wandesse 102 thus at the top of the ceiling 300 arranged. For example, the island fair 100 or the Wandesse 102 in their parking position (dashed line in 2 and 3 ) at a height of about 2500 millimeters above the ground. For main operation or full operation, the Saugraumgehäuse 110 the island fair 100 or the Wandesse 102 be lowered by means of an infrared or wireless remote control to any altitude. In the 2 illustrated island fair 100 or the in 3 illustrated Wandesse 102 For example, in its working position (solid lines) is located about 1700 millimeters above the ground.

In the suction room 110 the island fair 100 or the Wandesse 102 There are compact fan motors for generating a vacuum in the suction chamber and filter units for filtering the odors and vapors extracted by means of the negative pressure. In order to keep the overall height of the Saugraumgehäuses small, preferably two fan motors are arranged in the suction chamber. As an odor filter, for example, activated carbon or another suitable principle can be used. The blowing out of the filtered air can be achieved, for example, by perforation or perforation 30 on at least one side surfaces 42 . 44 the island fair 100 or the Wandesse 102 respectively. In the 2 and 3 is this perforation 30 only on a part of the side surface 44 shown. Of course it is also possible that this perforation 30 over the entire side surface 44 is arranged.

The operation of the in the 1 to 2 illustrated island fair 100 takes place by means of a preferably on at least two sides, for example on the two front sides 40 . 46 of the suction chamber 110 and / or the Wrasenleitschirms 120 the food 100 respectively. 102 arranged operating element 50 respectively. 52 , This control can, for example, a metal on 50 or on plexiglass 52 arranged touch operation or a controllable by radio or infrared radiation control element.

The in the 1 to 3 presented food 100 respectively. 102 differ from known from the prior art height adjustable cooker hoods in particular in that they are located at rest at the top of the ceiling and thus the kitchen optics in the passive state is not disturbed by a dominant food body. This can be the food 100 respectively. 102 be operated in any altitude, including in the park or rest position.

• – das Gehäuseelement 20 der Höhenverstellung eine Höhe H von etwa 30 Millimetern und eine Breite B von etwa 1100 Millimetern und eine Tiefe T von etwa 800 Millimetern,
• – das Saugraumgehäuse 110 eine Höhe von etwa 125 Millimetern, eine Breite von etwa 1100 Millimetern und eine Tiefe T von etwa 800 Millimeter und
• – der Wrasenleitschirm 120 eine Höhe von etwa 75 Millimetern, eine Breite von etwa 1200 Millimetern und eine Tiefe T von etwa 900 Millimetern

auf. Dabei ist in den Zeichnungen 1 und 2 die Inselesse 100 in einem Maßstab von 1:10 dargestellt.Another advantageous demarcation criterion compared to the prior art is that the body 110 . 120 the food 100 respectively. 102 is very flat. For example, in the in the 1 and 2 illustrated island fair 100

• - The housing element 20 the height adjustment has a height H of about 30 millimeters and a width B of about 1100 millimeters and a depth T of about 800 millimeters,
• - The Saugraumgehäuse 110 a height of about 125 millimeters, a width of about 1100 millimeters and a depth T of about 800 millimeters and
• - The Wrasenleitschirm 120 a height of about 75 millimeters, a width of about 1200 millimeters and a depth T of about 900 millimeters

on. It is in the drawings 1 and 2, the Inselesse 100 shown in a scale of 1:10.

Another advantageous demarcation criterion compared to the prior art is that at rest the food 100 respectively. 102 the height adjustment 10 . 12 completely from the base plate 20 and the top of the Saugraumgehäuses 110 surrounded and thus against contamination and damage is protected. This increases the life of the height adjustment 10 . 12 ,

10

Height adjustment, in particular electric motor with cable 10 and pulley 12

12

Pulley of pulley 10

20

another housing element, namely the height adjustment surrounding housing element, in particular base plate for arranging the Saugraumgehäuses 110 in the rest position of the extractor hood 100 respectively. 110

30

exhaust vent

40

Front surface of the suction chamber of the extractor hood 100 respectively. 102

42

first side surface of the suction chamber of the extractor hood 100 respectively. 102

44

second side surface of the suction chamber of the extractor hood 100 respectively. 102

46

second front surface of the suction chamber of the extractor hood 100 respectively. 102

50

first control element, in particular arranged on metal touch element or touch control element, the extractor hood 100

52

another control element, in particular Plexiglas arranged touch element or touch control element, the hood 100

100

Height-adjustable extractor hood, in particular circulating air island, (first embodiment, cf. 1 and 2 )

102

Height-adjustable extractor hood, in particular circulating air Wandesse, (second embodiment, see. 3 )

110

Suction chamber housing of the extractor hood 100 respectively. 102

120

Wrasenleitschirm the hood 100 respectively. 102

300

blanket

400

wall

H

Height of the extractor hood 100 respectively. 102 (see. 1 )

B

Wide extractor hood 100 respectively. 102 (see. 1 )

T

Deep extractor hood 100 respectively. 102 (see. 1 )

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 19810818 A1 [0001, 0003]
• - DE 4322662 C2 [0002]
• - DE 19814000 C2 [0002]
• - DE 4105004 A1 [0002]
• - DE 8530783 U1 [0002]
• EP 1784605 B1 [0002]
• EP 0521810 A2 [0002]
• - DE 3436999 A1 [0002]
• - DE 4201209 C2 [0002]

Claims (15)

Height-adjustable extractor hood ( 100 ; 102 ) with - a Saugraumgehäuse ( 110 ), the at least one suction chamber of the extractor hood ( 100 ; 102 ), and - a suspension device for fixing the extractor hood ( 100 ; 102 ) on a ceiling ( 300 ) over a cooking island or a cooking area, wherein the suspension device a height adjustment ( 10 . 12 ), by means of which the height position of the Saugraumgehäuses ( 110 ) is adjustable, characterized in that the extractor hood ( 100 ; 102 ) is operable in any altitude. Extractor hood ( 100 ; 102 ) according to claim 1, characterized in that the Saugraumgehäuse ( 110 ) between - at least a first, the rest position of the extractor hood ( 100 ; 102 ) associated altitude in which the performance of the extractor hood ( 100 ; 102 ), and - at least a second, the operating position of the extractor hood ( 100 ; 102 ) assigned altitude is adjustable Extractor hood ( 100 ; 102 ) according to claim 2, characterized in that in the rest position of the extractor hood ( 100 ; 102 ) the ceiling ( 300 ) facing the top of Saugraumgehäuses ( 110 ) directly or indirectly with the ceiling ( 300 ) connected is. Extractor hood ( 100 ; 102 ) according to claim 3, characterized by a height adjustment ( 10 . 12 ) at least partially surrounding further housing element ( 20 ), - on the ceiling ( 300 ) is arranged and - at the in the rest position of the hood ( 100 ; 102 ) the ceiling ( 300 ) facing the top of Saugraumgehäuses ( 110 ) of the extractor hood ( 100 ; 102 ) is arranged. Extractor hood ( 100 ; 102 ) according to claim 4, characterized in that the further housing element ( 20 ) is open at its side facing the cooking surface and the top of the Saugraumgehäuses ( 110 ) in the rest position of the extractor hood ( 100 ; 102 ) in such a way with the further housing element ( 20 ), that the further housing element ( 20 ) and the top of Saugraumgehäuses ( 110 ) a height adjustment ( 10 . 12 ) form surrounding housing. Extractor hood ( 100 ; 102 ) according to claim 4 or 5, characterized in that the further housing element ( 20 ) at least one locking element for releasably connecting the upper side of the Saugraumgehäuses ( 110 ) with the further housing element ( 20 ) having. Extractor hood ( 100 ; 102 ) according to at least one of claims 1 to 6, characterized in that the height adjustment ( 10 . 12 ) has a height adjustment drive, in particular an electric motor. Extractor hood ( 100 ; 102 ) according to at least one of claims 1 to 7, characterized in that the height adjustment ( 10 . 12 ) for positioning and holding the extractor hood ( 100 ; 102 ) in the respectively desired altitude at least one cable ( 10 ) with at least one deflection roller ( 12 ) having. Extractor hood ( 100 ) according to at least one of claims 1 to 8, characterized in that the extractor hood ( 100 ; 102 ) is a solitary above the cooking island or the cooking area arranged food. Extractor hood ( 100 ; 102 ) according to at least one of claims 1 to 9, characterized in that - the extractor hood ( 100 ; 102 ) is designed for recirculation mode and - at least one exhaust opening ( 30 ) for blowing out the circulating air, wherein the exhaust opening ( 30 ) on at least one side surface ( 42 . 44 ) of the Saugraumgehäuses ( 110 ) is arranged. Extractor hood ( 100 ; 102 ) according to at least one of claims 1 to 10, characterized in that in the suction chamber of the extractor hood ( 100 ; 102 ) At least one, preferably two, fans are arranged to generate negative pressure. Extractor hood ( 100 ; 102 ) according to at least one of claims 1 to 11, characterized in that arranged in the suction chamber - at least one odor filter, for example at least one activated carbon filter or at least one plasma filter, and - at least one grease filter, for example at least one wet nonwoven filter for filtering the suctioned by the negative pressure vapors is. Extractor hood ( 100 ; 102 ) according to at least one of claims 1 to 12, characterized in that - the further housing element ( 20 ) and / or - the Saugraumgehäuse ( 110 ) is formed substantially flat. Extractor hood ( 100 ; 102 ) according to any one of claims 1 to 13, gekennzeich net by a remotely controllable operating element, for example an infrared remote control or a radio remote control, for controlling the position of the suction chamber housing ( 110 ). Method for extracting vapor, wherein the altitude of at least one suction chamber of a ceiling ( 300 ) via a cooking island or a cooking surface mounted extractor hood ( 100 ; 102 ) surrounding Saugraumgehäuses ( 110 ) can be adjusted by means of a height adjustment, characterized in that the extractor hood ( 100 ; 102 ) can be operated at any altitude.