EP1571893A2 - Gargerät mit einer Garkammer, einem Mikrowellengenerator und einem Wasserreservoir. - Google Patents
Gargerät mit einer Garkammer, einem Mikrowellengenerator und einem Wasserreservoir. Download PDFInfo
- Publication number
- EP1571893A2 EP1571893A2 EP05101724A EP05101724A EP1571893A2 EP 1571893 A2 EP1571893 A2 EP 1571893A2 EP 05101724 A EP05101724 A EP 05101724A EP 05101724 A EP05101724 A EP 05101724A EP 1571893 A2 EP1571893 A2 EP 1571893A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- microwave
- cooking
- cooking appliance
- water reservoir
- appliance according
- 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.)
- Withdrawn
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/647—Aspects related to microwave heating combined with other heating techniques
- H05B6/6473—Aspects related to microwave heating combined with other heating techniques combined with convection heating
- H05B6/6479—Aspects related to microwave heating combined with other heating techniques combined with convection heating using steam
Definitions
- the present invention relates to a cooking appliance according to the preamble of claim 1.
- Microwave cooking devices are used for heating and cooking food by means of a energetic stimulation of the water molecules contained therein Microwave radiation.
- Such microwave cooking appliances can be with conventional Combine cooking appliances, so that this example.
- An additional microwave cooking mode can have.
- a microwave heating device which in addition to a Microwave generator comprises a steam generator unit. These two units are in principle independently operable, but can also be operated in combination become.
- JP 2001254952 A finally describes a microwave cooking appliance, the one Steam generator has. Between microwave generator and cooking chamber is a channel provided, opposite the cooking chamber with a microwave radiation permeable wall is separated. At one of the cooking chamber side facing this Wall is a feed channel arranged to introduce water into a porous Material is passed. By applying the porous material with the Microwave radiation evaporates the incoming water and into the cooking chamber directed.
- An object of the present invention is to provide a cooking appliance available provide, with a simple structure with a variable admission of a cooking chamber with Microwave radiation, with steam and / or a combination thereof.
- a cooking appliance with the Features of the preamble of claim 1 has a deflection within a connection channel between a microwave generator and a cooking chamber auf, the selective admission of a water reservoir and / or the Cooking chamber with microwave radiation allows.
- the microwave radiation is added used, the food in the cooking chamber or the water molecules in the food directly to heat and / or to produce additional live steam, in the Cooking chamber is initiated.
- the microwave cooking appliance according to the invention is characterized by a very simple construction, high reliability and robustness as well by a simple and straightforward controllability. They are not complex Water metering systems or additional heating devices for Fresh steam generation necessary. As such heaters also after a long time Operating time tend to calcification, deleted in the cooking appliance according to the invention a potential source of interference.
- a first embodiment of the invention provides that the deflection for the Microwave radiation is partially transmissive mirror.
- the deflection for the Microwave radiation is partially transmissive mirror.
- the connection channel between the microwave generator and the Water reservoir enters a portion of the microwave radiation through the partially transmissive mirror and ensures the entry of the water reservoir for the production of live steam.
- One further part of the radiation is reflected by the mirror and into a branch channel redirected, which flows into the garden chamber.
- the connecting channel and the Branch channel in each case by one, at least partially permeable to microwave radiation Partition wall separated from the water reservoir or from the cooking chamber.
- the deflection is a for Microwave radiation impermeable deflection device, for example.
- a reflector or a Mirror can optionally be rigid in Be arranged connecting channel, wherein only a part of its cross section of the Deflector may be filled to still part of the microwave radiation for Water reservoir to let penetrate.
- the deflection or deflection be arranged pivotally in the connecting channel.
- the connecting channel in a first end position of the deflection completely from When filled, all the microwave radiation is directed into the branch channel to enter enter the kitchen chamber.
- the water reservoir remains shielded from radiation, so that no steam is generated.
- a second end position of the connection channel be released so that the entire radiation is directed to the water reservoir.
- Of the Branch channel can either remain open or from the deflection be closed, depending on how the pivoting mechanism is designed.
- the Cooking chamber is supplied with live steam only in this mode. Is located the deflector in a position between the two end positions, depending on Angle position a variable radiation distribution between the water reservoir and the Garcro achieved, so that produces more or less live steam and more or less direct microwave radiation is directed into the cooking chamber.
- Another embodiment of the invention provides a water reservoir, which has a Partition which is impermeable to microwave radiation.
- the space between this partition and the separation to the connection channel serves as Evaporation volume.
- the evaporation volume is in this case between the Connecting channel and the remaining volume of the water reservoir, so that the Microwave radiation can enter directly into the evaporation volume.
- the width This evaporation volume is preferably such that a large part of the Microwave radiation, for example. Up to 90%, is absorbed in the evaporation volume.
- the Evaporation volume is preferably with the cooking chamber via a steam line and with the remaining water reservoir via one or more openings in Connection. Possibly. Both the water reservoir and the evaporation volume may also be considered be formed separate units that communicate via a line.
- FIG. 1 shows a schematic illustration of an inventive device Microwave cooking appliance 10, which has a cooking chamber 12 for the introduction of to cook Food, a microwave generator 14 and a water reservoir 16 has.
- a connecting channel 18th arranged in the form of a waveguide
- the water reservoir 16 at a for Microwave radiation at least partially permeable first wall 20 opens.
- the Connecting channel 18 branches into a branch channel 22
- the at the cooking chamber 12 at a microwave wall at least partially permeable second wall 24th empties.
- the branch channel 22 is formed by a so-called waveguide.
- a Deflection device 26 is provided, which is an optional admission of the Water reservoir 16 and / or the cooking chamber 12 with the microwave generator 14th generated microwave radiation allows.
- the two partitions 20 and 24 prevent the connecting channel 18, the Branch channel 22, the deflection device 26 and the microwave generator 14 with Steam or come with suspended matter from the cooking chamber 12 in contact.
- the deflection device 26 for a Microwave radiation may be partially transmissive mirror, so that during operation the microwave generator 14 both a direct irradiation of the cooking chamber 12 as also a fresh steam generation by heating the water reservoir 16 done can.
- FIG. 2 illustrates an alternative variant of the microwave cooking appliance according to the invention 10, in which the deflection device 26 is impermeable to microwave radiation Deflection device 32 is.
- the deflection device 32 can in particular be a reflective Be mirror, by means of a suitable pivoting device 34 between two End positions can be swiveled.
- a first end position I which illustrates in FIG is, the microwave radiation is completely deflected into the branch channel 22, so that no radiation reaches the water reservoir 16.
- This first mode of operation is through characterized a pure microwave cooking operation.
- This second end position II of the deflection device 32 In a second end position II of the deflection device 32, the branch channel 22 closed, so that the entire microwave radiation directed to the water reservoir 16 is to produce a desired amount of live steam and in the cooking chamber 12th initiate.
- This second end position II of the deflector 32 is characterized by a broken line indicated.
- both the water reservoir 16 and the cooking chamber 12 with microwave radiation be applied, which corresponds to a combined operation.
- the swivel angle of Deflection device 32 determines the distribution of the generated microwave radiation between branch channel 22 and water reservoir 16.
- FIG 3 illustrates a part of the connection channel 18 between the microwave generator 14 and water reservoir 16, which in the embodiment shown as removable and externally refillable water tank 36 is formed.
- a handle 38 is arranged for easier handling frontally of the water tank 36.
- the steam line 30 to Introduction of the live steam 28 into the cooking chamber 12 has a separable Junction 40, so that the water tank 36 removed easily when needed to be filled with fresh water.
- the deflector 32 is pivotable Mirror formed, the pivoting device 34 a to the horizontal Longitudinal direction of the connecting channel 18 vertical and vertical arranged pivot axis provides that runs centrally through the mirror.
- the pivot axis can also be articulated on a side wall of the channel 18 or 22 be as exemplified in Figure 2.
- FIG. 1 A variant of the water reservoir 16 is illustrated in FIG.
- an additional partition wall 42 arranged for microwave radiation is largely impermeable.
- a Evaporating volume 44 separated, which faces the connecting channel 18 and of this is separated by the first wall 20.
- the steam line 30 opens from this Evaporation volume 44 in the cooking chamber 12.
- an opening 46th provided so anytime fresh water in the evaporation volume 44 can flow.
- the incident on the partition wall 42 microwave radiation is in the Evaporation volume 44 reflected back.
- the width d of the evaporation volume 44 is preferably such that a majority of the microwave energy in this Area is absorbed, preferably about 90%. Due to the reflective partition 42 is thus absorbed about 90% of the microwave radiation at a distance that the twice the width d of the evaporation volume 44 of the water reservoir 16 corresponds.
- Bending device 26 possible, for example.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Cookers (AREA)
- Electric Ovens (AREA)
Abstract
Description
- Figuren 1 und 2
- Prinzipdarstellungen verschiedener Varianten eines erfindungsgemäßen Mikrowellen-Gargeräts,
- Figur 3
- eine schematische Detaildarstellung einer ersten Variante des Mikrowellen-Gargeräts und
- Figur 4
- eine schematisch Detaildarstellung einer zweiten Variante des Gargeräts.
- 10
- Gargerät
- 12
- Garkammer
- 14
- Mikrowellengenerator
- 16
- Wasserreservoir
- 18
- Verbindungskanal
- 20
- erste Wand
- 22
- Zweigkanal
- 24
- zweite Wand
- 26
- Umlenkeinrichtung
- 28
- Frischdampf
- 30
- Dampfleitung
- 32
- Ablenkeinrichtung
- 34
- Schwenkeinrichtung
- 36
- Wassertank
- 38
- Handgriff
- 40
- Verbindungsstelle
- 42
- Trennwand
- 44
- Verdampfungsvolumen
- 46
- Öffnung
- d
- Breite
- I
- erste Endlage
- II
- zweite Endlage
Claims (10)
- Gargerät (10) mit einer Garkammer (12), einem Mikrowellengenerator (14) und einem Wasserreservoir (16), das von einem Verbindungskanal (18) zum Mikrowellengenerator (14) durch eine für Mikrowellen zumindest teilweise durchlässige Wand (20) getrennt ist, dadurch gekennzeichnet, dass innerhalb des Verbindungskanals (18) eine Umlenkeinrichtung (26) zur Beaufschlagung des Wasserreservoirs (16) und/oder der Garkammer (12) mit Mikrowellenstrahlung angeordnet ist.
- Gargerät nach Anspruch 1, dadurch gekennzeichnet, dass die Umlenkeinrichtung (26) ein für die Mikrowellenstrahlung teildurchlässiger Spiegel ist.
- Gargerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Umlenkeinrichtung (26) starr im Verbindungskanal (18) angeordnet ist.
- Gargerät nach Anspruch 1, dadurch gekennzeichnet, dass die Umlenkeinrichtung (26) eine für die Mikrowellenstrahlung undurchlässige Ablenkeinrichtung (32) ist.
- Gargerät nach Anspruch 1, 2 oder 4, dadurch gekennzeichnet, dass die Umlenkeinrichtung (26) schwenkbar im Verbindungskanal (18) angeordnet ist.
- Gargerät nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass vom Verbindungskanal (18) im Bereich der Umlenkeinrichtung (26) ein Zweigkanal (22) zur Garkammer (12) führt, der von dieser durch eine für Mikrowellen zumindest teilweise durchlässige weitere Wand (24) getrennt ist.
- Gargerät nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass im Wasserreservoir (16) eine Trennwand (42) angeordnet ist, die für Mikrowellenstrahlung undurchlässig ist.
- Gargerät nach Anspruch 7, dadurch gekennzeichnet, dass zwischen der Trennwand (42) und der für Mikrowellenstrahlung zumindest teilweise durchlässigen Wand (20) ein Verdampfungsvolumen (44) angeordnet ist, das über eine Dampfleitung (30) mit der Garkammer (12) in Verbindung steht.
- Gargerät nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das Wasserreservoir (16) mit der Gaskammer (12) strömungstechnisch in Verbindung ist.
- Gargerät nach einer der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass eine Dampfeinlassöffnung in die Gaskammer (12) vorgesehen ist, die von einer Mikrowelleneinlassöffnung separat ausgebildet ist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05101724A EP1571893A3 (de) | 2004-03-05 | 2005-03-07 | Gargerät mit einer Garkammer, einem Mikrowellengenerator und einem Wasserreservoir. |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04360022 | 2004-03-05 | ||
| EP04360022 | 2004-03-05 | ||
| EP05101724A EP1571893A3 (de) | 2004-03-05 | 2005-03-07 | Gargerät mit einer Garkammer, einem Mikrowellengenerator und einem Wasserreservoir. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1571893A2 true EP1571893A2 (de) | 2005-09-07 |
| EP1571893A3 EP1571893A3 (de) | 2012-09-19 |
Family
ID=34751707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05101724A Withdrawn EP1571893A3 (de) | 2004-03-05 | 2005-03-07 | Gargerät mit einer Garkammer, einem Mikrowellengenerator und einem Wasserreservoir. |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP1571893A3 (de) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3634710B2 (ja) * | 2000-03-15 | 2005-03-30 | 三洋電機株式会社 | 蒸気発生装置及び該装置を備えた電子レンジ |
-
2005
- 2005-03-07 EP EP05101724A patent/EP1571893A3/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP1571893A3 (de) | 2012-09-19 |
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Effective date: 20121031 |