Boots – shoes – and leggings
Patent
1984-08-06
1987-06-23
Smith, Jerry
Boots, shoes, and leggings
364557, 236 15BB, 432 11, 72200, 72 13, G06F 1546, G06G 764, F23N 100, F27D 300
Patent
active
046758267
ABSTRACT:
A temperature control system (50) for use in a furnace (10) for heating metal logs (13) as the logs (13) move through a furnace heating chamber (12) includes thermocouples (52a-52e) adapted to sense log temperatures by direct contact during intermittent time intervals when the logs (13) are stationary. Radiation sensors (64a-64 e) continuously sense radiant energy emitted from the logs (13) and a temperature compensation circuit (62) compares signals representative of log temperatures as measured by thermocouples (52a-52e) and the radition sensors (64a-64e). The difference between the signals is utilized during time intervals when the logs (13) are moving as a compensation factor for the continuous signals representative of log temperatures based on sensed radiation. The compensated signals and signals representative of desired set point temperatures are applied to log temperature controllers (80a-80e) to regulate the thermal energy applied to the logs (13).
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patent: 4577278 (1986-03-01), Shannon
Boerger et al., "Diffusion Furnace Control"; IBM Technical Disclosure Bulletin, vol. 12, No. 9, Feb. 1970, pp. 1437-1438.
Dietz David R.
Gentry Charles B.
Granco-Clark, Inc.
Grossman Jon D.
Smith Jerry
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