Electric heating – Metal heating – Of cylinders
Patent
1983-04-29
1988-05-10
Leung, Philip H.
Electric heating
Metal heating
Of cylinders
174 35R, H05B 676
Patent
active
RE0326640
ABSTRACT:
A high frequency oven having a door sealed to the oven by a seal which prevents the escape of high frequency energy between the door and the oven by acting as a choke to energy attempting to pass across the seal in which excitation of energy modes in a band of frequencies including the desired operating frequency range of the oven is controlled peripherally along the seal. An energy absorbing gasket surrounds the seal to absorb any energy passing outwardly from the energy seal.
REFERENCES:
patent: 3448232 (1969-06-01), Kluck
patent: 3511959 (1970-05-01), White
patent: 3584177 (1971-06-01), Bucksbaum
patent: 3662140 (1972-05-01), Jones et al.
Tomiyasu and Bolus "Characteristics of a New Serrated Choke", IRE Transactions-Microwave Theory and Techniques, pp. 33-36, Jan. 1956.
Osepchuk John M.
Simpson James E.
Clark William R.
Leung Philip H.
Raytheon Company
Sharkansky Richard M.
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