| 摘要 |
The invention relates to a microwave oven comprising a chamber for cooking food, the electromagnetic energy of which is provided by a set of two to four magnetrons ( 5, 6, 7 ) mounted on a wall of the chamber, the magnetrons communicating with wave-guides ( 65 ) which emerge in a common microwave mixing box ( 8 ). The box ( 8 ) comprises a face common with the oven made of a material permeable to waves and a rotary phase modulator comprising a disc provided with vanes driven by electric motor and mounted on the rear face parallel with the said transparent face. The invention is characterised by the fact that the disc provided with vanes and the drive motor together form a unit, the said unit being detachably mounted on the rear face of the microwave mixing box.
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