AU604876B2 - Microwave oven with rotary plate and wave paddle - Google Patents
Microwave oven with rotary plate and wave paddle Download PDFInfo
- Publication number
- AU604876B2 AU604876B2 AU14948/88A AU1494888A AU604876B2 AU 604876 B2 AU604876 B2 AU 604876B2 AU 14948/88 A AU14948/88 A AU 14948/88A AU 1494888 A AU1494888 A AU 1494888A AU 604876 B2 AU604876 B2 AU 604876B2
- Authority
- AU
- Australia
- Prior art keywords
- rotary plate
- cooking space
- floor
- microwave oven
- wave paddle
- 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.)
- Ceased
Links
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
- H05B6/6408—Supports or covers specially adapted for use in microwave heating apparatus
- H05B6/6411—Supports or covers specially adapted for use in microwave heating apparatus the supports being rotated
Abstract
In a microwave oven, the distribution of energy in the cooking area (2) is improved by the provision of a wave paddle (3) and a rotary plate (5). The rotary plate (5) is flush-mounted in the floor (4) of cooking area (2). The drive (6) of the rotary plate (5) is designed to be switchable to allow operation without the use of said drive (6). In this way the entire surface area of the floor of the cooking area (2) can be used, in particular for food covering a large surface area or for food supports which project beyond the rotary plate (5).
Description
I
AL1-aT_1tA0Ao
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WELTORGANISATIO R TI EIG M' S7 PCTInter i a s'r INTERNATIONALE ANMELDUNG VERO ENTIT NADEM VERTRAGUE
I
INTERNATIONALE ZUSAMMENARBEIT AUF DEM GEBIET DES PATENTWESENS (PCT) 1) Internationale Patentklassif ikation 4: 1(11) Internationale Ver6ffentlichungsnumnmer: WO 88/ 07805 6/80 Al (43) Internationales j Veriiffentlichungsdatum: 6. Oktober 1988 (06.10.88) (21) Internationales Aktenzeichen: PCT/DE88/00203 (22) Internationales Anrneldedatum: 30. N/fdrz 1988 (30.03.88) (31) Priorititsaktenzeichen: P 37 10 796.8 (81) Bestimmi BE (eu DE (eu G eJP, LU tent), S Ver6 ffentl icht Mit nt (32) Prioritatsdatumn: (33) PrioritAtsland: 3 1. M.'yrz 1987 (3 1.03.87) (71) Anmelder (fair alle Beslimrnungsstaaten ausser US): A MIELE CIE. GMBH CO. [DE/DE]; Cari-Miele- Strage, D-4830 G~tersloh I (DE).
(72) Erfinder;zjnd Erfinder/Anmelder (nurfiir US) HCITTEMANN, Wil- V fried [DE/DE]; Rasenstr. 11, D-4800 Bielefeld 15 BREFORD, Ernst-J~irgen [DE/DE]; Poggenburg 12, D-4520 Melle I (DE).
Tis amen settl (54)Title: M/ICRO WAVE OVEN WITH ROTARY PLATE (54) Bezeichnung: MIKROWELLENHERD MvIT EINEM DRERTELLER (57) Abstract In a microwave oven, the distribution of energy in the cooking area is improved by the provision of a wave paddle (3) and a rotary plate The rotary plate is flush-mounted in the floor of cooking area The drive of the rotary plate F is designed to be switchable to allow operation without the use of said drive In this way the entire surface area of the floor of the cooking area can be used, in particular for food covering a large surface area or for food supports which project beyond the rotary plate (57) Zusammenfassung Bei einem Mikrowellenherd werden zur F6rderung Ciner besseren Energieverteilung im. Garraumn emn Wellenrifhrer und auch emn Drehteller vorgesehen. Der Drehteller ist dabei fl1chenbiindig im Boden des Garraums integriert.
Der Antrieb des Drehtellers ist wahlweise zuschaltbar ausgebildet, so dalI emn Betrieb ohne Aktivierung des Drehteller-Antriebs angewait werden kann, wodurch die gesamte Bodenfihiche des Garraums insbesondere M~r grol~fllchiges Gargut oder fir Ober den Drehteller hinausragende Garguttrflger genutzt werden kann.
ungsstaaten: AT (europqisches Patent), AU, ropaisches Patent), CH- (europaischeG Patent), ropdisches Patent), FR (europaisches Patent), ropdisches Patent), IT (europaisches Patent), (europdisches Patent), NL (europaisches Pa- E (europaisches Patent), US.
ernarionalem Recherchenbericlit.
QJ, Pm 1 DEC 1988
AUSTRALIAN
-2 NOV 1988 PATENT OFF1I document contains the dmnents mace under On 49 LP(; ;S UOr'C~t for- 11 1 Description Microwave oven with a rotary plate This invention relates to microwave ovens.
In microwave ovens it is necessary to provide the greatest possible uniformity in the distribution of the microwave energy in the cooking space. This can be achieved with the use of a wave paddle, also known as a wobbler, which is rotatably mounted in the upper region of the cooking space behind a lining in the vicinity of the coupling-in site, or else by means of a rotary plate which is flush-mounted in the floor of the cooking space so that the articles to be cooked can be rotated during the cooking operation. The equipment which is already known in actual practice generally includes only one of the aforementioned auxiliary items for the uniform .too 0 distribution of the energy.
In contrast to this, it is known from DE-B-26 38 137 that equipment can be provided with a wave paddle and a rotary plate, in which said wave paddle and rotary plate at the same time are to provide a uniform distribution of the microwaves in the cooking space. Here the rotary plate is mounted in a recess in the floor of the cooking space with its upper surface disposed below the floor level of the cooking space or on a flat surface higher than said floor level of the cooking space in the oven.
The embodiments which are known from the present state of the art have the disadvantage that, with the use of a rotary plate, it is only possible to utilize carriers, which are of specific limited dimensions, for the articles being cooked. Furthermore, it is frequently not possible to have a plurality of smaller food -2containers, which project beyond the periphery of the rotary plate, alongside each other in the cooking space because the total area available is limited by the dimensions of the rotary plate, and the rotation of the rotary plate is inhibited by the containers, for articles being cooked, projecting beyond its periphery.
According to the present invention there is provided a microwave oven with equipment for coupling-in of the microwave energy in the cooking space, with a wave paddle for distributing the microwaves and a rotary plate which serves to carry the articles which need to be rotated o during the cooking operation, characterised in that the upper surface of the rotary plate is flush with the surface of the floor in the cooking space, thus forming a completely level surface, and that the rotary plate and the wave paddle may be separately switche8 on and off such that the rotary plate and the wave paddle are in operation alternatively to, intermittently or simultaneously with each other.
The position sensors may be installed in the cooking space so that it is not possible to switch on the rotary plate drive motor when larger food containers which project out beyond the periphery of the rotary plate are present on the floor of the cooking space.
S Substantial advantages are derived from the embodiment in accordance with the present invention for every-day operation of a microwave oven. With simultaneous activation of the wave paddle and the rotary plate it is possible to achieve optimal distribution of microwave energy in the cooking space.
2A In addition to this, there is no restriction on the size of the articles of food or of the food containers which can be placed in the oven, because it is possible to switch off the rotation of the plate, the upper surface of which is flush with the floor of the cooking space, thus making the total floor area available in the cooking space. Because the rotary plate is designed to be operated alternatively to, intermittently or simultaneously with, the wave paddle, several useful operational modes may be selected as desired.
Because of the arrangement in the cooking space of position-sensors for the articles of food or for the food containers, provision can be made so that the switching-on of the rotary plate drive is prevented if this is necessitated by the presence of articles of food See: or of food containers which project out beyond the periphery of the rotary plate.
In order that the invention may be more fully described, an embodiment of the invention will be described by way of example only with reference to the accompanying drawing which illustrates a cross-section through a microg I 0g ul I V
I
3 wave oven in simplified form when viewed from the side.
The microwave oven comprises a cooking space in the upper region of which, in a known manner, there is a wave paddle (3) and in the floor there is a rotary plate The rotary plate is driven by a motor by way of a drive belt The drive motor for the rotary plate and the drive for the wave paddle are controllable by a program switch The rotary plate is mounted in a stamped recess in the floor of the oven. The upper surface of the rotary plate is flush with the surface of the floor This avoids the presence of any protruding edges or steps in the level of the floor in the cooking space which could interfere with the sliding-in or -out of containers for the food to be cooked.
Depending upon the particular requirements, it is possible to pre-select the operational mode of the microwave oven by means !i of the program switch This makes it possible to switch on the wave paddle and the rotary plate separately or i simultaneously. In addition, it could also be advantageous, during the cooking operation with the wave paddle switched on, to operate the rotary plate intermittently.
If it is desired to utilize the total floor area of the cooking space then the rotary plate is switched off so that the articles of food or the food containers can be spread out over the entire surface area of the floor of the cooking space, or they can be slid in and out as required.
So that it is not possible to switch on the rotary plate drive motor when the rotation of said plate would be hindered by the presence of larger food containers which project out beyond the periphery of the rotary plate position sensors can be installed in the cooking space, preferably in the area of the floor around the rotary plate These sensors provide _Vnpulses to the control system which serve to block the ,Z/switching-on of the rotary plate drive motor 1 3A The embodiment has been advanced by way of example only.
It is accordingly to be understood that the invention is in no way limited to the details of the illustrated construction and that many modifications and variations will fall within the spirit and scope of the invention which extends to every novel feature and combination of features herein disclosed.
i ii
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Claims (3)
1. A microwave oven with equipment for coupling-in of the microwave energy in the cooking space, with a wave paddle for distributing the microwaves and a rotary plate which serves to carry the articles which need to be rotated during the cooking operation, characterised in that the upper surface of the rotary plate is flush with the surface of the floor in the cooking space, thus forming a completely level surface, and that the rotary plate and the wave paddle may be separately switche- on and off such that the rotary plate and the wave paddle are in operation alternatively to, intermittently or simultaneously with each other.
2. A microwave oven according to Claim 1, characterised in that position sensors are installed in the cooking space so that it is not possible to switch on the rotary plate drive motor when larger food containers which project out beyond the periphery of the rotary plate are present on the floor of the cooking space.
3. A microwave oven substantially as hereinbefore described with reference to the accompanying drawing. DATED THIS 15TH DAY OF AUGUST, 1990. MIELE CIE. GMBH CO. By Its Patent Attorneys Micr In a cook. 5 z in t] of tl oper; that 10 spac( for f rotai S u i i GRIFFITH HACK CO. Fellows Institute of Patent Attorneys of Australia. i Summar y Microwave oven with a rotary plate In a microwave oven the distribution of energy in the cooking space is improved by the provision of a wave paddle and a rotary plate The rotary plate is flush-mounted in the floor of the cooking space The drive motor (6) of the rotary plate is designed to be switchable to allow for operation of the oven without the use of said drive motor so that the entire surface area of the floor of the cooking space can be utilized, in particular for articles of food or for food containers which project out beyond the periphory of tho rotary plate
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3710796 | 1987-03-31 | ||
| DE19873710796 DE3710796A1 (en) | 1987-03-31 | 1987-03-31 | MICROWAVE OVEN WITH A TURNTABLE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU1494888A AU1494888A (en) | 1988-11-02 |
| AU604876B2 true AU604876B2 (en) | 1991-01-03 |
Family
ID=6324532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU14948/88A Ceased AU604876B2 (en) | 1987-03-31 | 1988-03-30 | Microwave oven with rotary plate and wave paddle |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0364449B1 (en) |
| AT (1) | ATE85490T1 (en) |
| AU (1) | AU604876B2 (en) |
| DE (2) | DE3710796A1 (en) |
| WO (1) | WO1988007805A1 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4002586C2 (en) * | 1990-01-30 | 1994-04-28 | Miele & Cie | Microwave oven with switchable turntable drive |
| KR100200901B1 (en) * | 1997-07-25 | 1999-06-15 | 윤종용 | Control circuit of turn table for microwave oven |
| US11191133B2 (en) | 2014-09-17 | 2021-11-30 | Whirlpool Corporation | Direct heating through patch antennas |
| WO2016144872A1 (en) | 2015-03-06 | 2016-09-15 | Whirlpool Corporation | Method of calibrating a high power amplifier for a radio frequency power measurement system |
| WO2016196939A1 (en) | 2015-06-03 | 2016-12-08 | Whirlpool Corporation | Method and device for electromagnetic cooking |
| WO2017119910A1 (en) | 2016-01-08 | 2017-07-13 | Whirlpool Corporation | Multiple cavity microwave oven insulated divider |
| EP3400755A1 (en) | 2016-01-08 | 2018-11-14 | Whirlpool Corporation | Method and apparatus for determining heating strategies |
| EP3409076B1 (en) | 2016-01-28 | 2020-01-15 | Whirlpool Corporation | Method and apparatus for delivering radio frequency electromagnetic energy to cook foodstuff |
| WO2017142503A1 (en) | 2016-02-15 | 2017-08-24 | Whirlpool Corporation | Method and apparatus for delivering radio frequency electromagnetic energy to cook foodstuff |
| US10827569B2 (en) | 2017-09-01 | 2020-11-03 | Whirlpool Corporation | Crispness and browning in full flat microwave oven |
| US11039510B2 (en) | 2017-09-27 | 2021-06-15 | Whirlpool Corporation | Method and device for electromagnetic cooking using asynchronous sensing strategy for resonant modes real-time tracking |
| US10772165B2 (en) | 2018-03-02 | 2020-09-08 | Whirlpool Corporation | System and method for zone cooking according to spectromodal theory in an electromagnetic cooking device |
| US11404758B2 (en) | 2018-05-04 | 2022-08-02 | Whirlpool Corporation | In line e-probe waveguide transition |
| US10912160B2 (en) * | 2018-07-19 | 2021-02-02 | Whirlpool Corporation | Cooking appliance |
| CN111317370A (en) * | 2020-03-01 | 2020-06-23 | 高永航 | Food baking furnace |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2852399A1 (en) * | 1977-12-07 | 1979-07-12 | Bosch Siemens Hausgeraete | Inbuilt baking oven - has microwave chamber at top with fan drawing in cooling air above and below |
| AU574046B2 (en) * | 1982-07-12 | 1988-06-30 | Plastics Inc. | Drive motor assembly and turntable utilizing the same |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3182166A (en) * | 1961-09-04 | 1965-05-04 | Miwag Mikrowellen Ag | Microwave ovens |
| DE1243293B (en) * | 1962-10-09 | 1967-06-29 | Siemens Elektrogeraete Gmbh | Arrangement to achieve uniform heating of the food in a high-frequency stove |
| US4092512A (en) * | 1975-08-27 | 1978-05-30 | Matsushita Electric Industrial Co. Ltd. | Turntable drive mechanism in electronic oven |
| US4136271A (en) * | 1976-02-03 | 1979-01-23 | Matsushita Electric Industrial Co., Ltd. | Microwave oven |
| JPS5312535A (en) * | 1976-07-20 | 1978-02-04 | Toshiba Corp | Microwave heating unit |
| JPS57176686A (en) * | 1981-04-24 | 1982-10-30 | Matsushita Electric Ind Co Ltd | High frequency heater |
| US4434343A (en) * | 1982-01-15 | 1984-02-28 | Raytheon Company | Turntable for microwave oven |
| JPS6030081A (en) * | 1983-07-28 | 1985-02-15 | シャープ株式会社 | Turntable driving structure of electronic range |
-
1987
- 1987-03-31 DE DE19873710796 patent/DE3710796A1/en active Granted
-
1988
- 1988-03-30 AT AT88902800T patent/ATE85490T1/en active
- 1988-03-30 EP EP88902800A patent/EP0364449B1/en not_active Expired - Lifetime
- 1988-03-30 AU AU14948/88A patent/AU604876B2/en not_active Ceased
- 1988-03-30 WO PCT/DE1988/000203 patent/WO1988007805A1/en active IP Right Grant
- 1988-03-30 DE DE8888902800T patent/DE3878241D1/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2852399A1 (en) * | 1977-12-07 | 1979-07-12 | Bosch Siemens Hausgeraete | Inbuilt baking oven - has microwave chamber at top with fan drawing in cooling air above and below |
| AU574046B2 (en) * | 1982-07-12 | 1988-06-30 | Plastics Inc. | Drive motor assembly and turntable utilizing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE85490T1 (en) | 1993-02-15 |
| DE3878241D1 (en) | 1993-03-18 |
| AU1494888A (en) | 1988-11-02 |
| EP0364449A1 (en) | 1990-04-25 |
| DE3710796A1 (en) | 1988-10-13 |
| WO1988007805A1 (en) | 1988-10-06 |
| DE3710796C2 (en) | 1993-09-02 |
| EP0364449B1 (en) | 1993-02-03 |
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