Electric heating – Metal heating – Of cylinders
Patent
1977-11-10
1979-12-11
Grimley, Arthur T.
Electric heating
Metal heating
Of cylinders
219 1055A, 219341, H05B 906
Patent
active
041784944
ABSTRACT:
This disclosure relates to a micro-wave air heater which includes a generally upstanding frusto-conical air duct housing between opposite input and output end portions thereof, crossed tubular liquid conduits which open into an encirculating liquid chamber, and a plurality of micro-wave generating means externally of the liquid chamber for generating micro-wave energy for heating the liquid whereby air passing through the duct and passed the tubular conduits is heated. The liquid is self-circulating within the tubular conduits and the liquid chamber through liquid temperature gradients, and means are provided for selectively regulating the operation of the micro-wave generating means to create the liquid temperature gradients.
REFERENCES:
patent: 2585970 (1952-02-01), Shaw
patent: 3778578 (1973-12-01), Long
patent: 3891817 (1975-06-01), Brown
patent: 3920945 (1975-11-01), Smith et al.
patent: 4006730 (1977-02-01), Clapham et al.
patent: 4029927 (1977-06-01), McMillan
patent: 4114011 (1978-09-01), Stubbs
Bottalico Frank P.
Bottalico, Jr. Frank P.
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