Electric heating – Metal heating – Of cylinders
Patent
1990-05-03
1992-08-18
Leung, Philip H.
Electric heating
Metal heating
Of cylinders
219 1055E, 219400, 126 21A, H05B 668
Patent
active
051401207
ABSTRACT:
A heating and cooking apparatus has a detection sensor for sensing the state of heating so as to automatically control the heating operation. A partition is disposed so as to be opened to the inside of an auxiliary passage which has an inlet located at a position in the vicinity of the circumference of an impeller of a cooling fan for cooling a magnetron provided on the back side of a heating chamber and through which steam from the heating chamber is discharged to the outside. Air supplied by the fan is blown off into the auxiliary passage so as to generate a venturi action, thus promoting the flow of steam in the auxiliary passage. The detection sensor is disposed in the auxiliary passage at a position in the vicinity of a region where air is blown off so as to accurately sense the state of steam generated from a material to be heated.
REFERENCES:
patent: 4618756 (1986-10-01), Schwaderer et al.
patent: 4672180 (1987-06-01), Kusunoki et al.
patent: 4841111 (1989-06-01), Kokkeler et al.
patent: 4857685 (1989-08-01), Vigano et al.
patent: 5015812 (1991-05-01), Kasai et al.
Kasai Isao
Kashimoto Takashi
Yamaguchi Kimiaki
Yoshino Koji
Leung Philip H.
Matsushita Electric - Industrial Co., Ltd.
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