Electric heating – Metal heating – Of cylinders
Patent
1982-02-22
1984-06-26
Envall, Jr., Roy N.
Electric heating
Metal heating
Of cylinders
219 1055E, 99443R, 108 20, 108139, 126338, 185 39, 188184, H05B 680
Patent
active
044568053
ABSTRACT:
A portable turntable apparatus for use in microwave ovens which is used as a supporting base for a container of food which is cooked within the oven and adapted to gradually rotate the same, the apparatus including a motor including metallic materials which motor is mounted in and enclosed by a metal housing and an outer enclosure comprising a cover and base of non-metallic material to prohibit electrical arcing between the motor and the oven walls. The housing is provided with smooth outer surfaces and a minimal sized aperture opening to allow a driving connection between the motor and the enclosure cover. The motor is a spring motor having an improved centrifugal governor.
REFERENCES:
patent: 3627085 (1971-12-01), Habuka
patent: 3766686 (1973-10-01), Sheckells
patent: 4005771 (1977-02-01), Cappotto et al.
patent: 4216727 (1980-08-01), Cunningham
patent: 4330696 (1982-05-01), Pomeroy et al.
Jorgensen Jorgen A.
Nygren Donald W.
Envall Jr. Roy N.
Haugen Orrin M.
Leung Philip H.
Nikolai Thomas J.
Northland Aluminum Products, Inc.
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