Electric heating – Metal heating – Of cylinders
Patent
1989-09-19
1991-03-05
Leung, Philip H.
Electric heating
Metal heating
Of cylinders
219 1055B, 219 1055E, 99325, 426243, 426524, H05B 668
Patent
active
049980017
ABSTRACT:
A method for treating, i.e. thawing, thawing and heating, or thawing and cooking, a frozen food (9) in a microwave oven (1) is provided comprising a microwave generator or magnetron (2), characterized in that the food (9) is interposed between the magnetron (2), initially operating at constant power, and an element (14) of microwave-sensitive material, the temperature (T) of the element (14) varying during the thawing of the food (9), the temperature (T) variation being monitored by a microprocessor circuit (21) which on the basis thereof evaluates the weight of the food (9). The microprocessor (21) then, on the basis of this evaluated weight and fed information regarding the type of food (9) and required type of treatment, determines the operating power of the magnetron (2) and the treatment duration.
REFERENCES:
patent: 4093841 (1978-06-01), Dills
patent: 4125752 (1978-11-01), Wegener
patent: 4341937 (1982-07-01), Staats
patent: 4434342 (1984-02-01), Schubring
patent: 4488026 (1984-12-01), Tanabe
patent: 4814570 (1989-03-01), Takizaki
patent: 4831239 (1989-05-01), Ueda
patent: 4874928 (1989-10-01), Kasai
Cigarini Enzo
Crepaldi Laura
Kokkeler Franciscus
Orlandi Gigliana
Bartlett Ernestine C.
Leung Philip H.
Whirlpool International B.V.
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