Heat exchange – With timer – programmer – time delay – or condition responsive... – Temperature responsive or control
Patent
1997-01-31
1999-10-26
Price, Carl D.
Heat exchange
With timer, programmer, time delay, or condition responsive...
Temperature responsive or control
165293, 165299, 165300, 165253, 184 622, G05D 2300
Patent
active
059710683
ABSTRACT:
A combination of setting a correction value of an atmospheric temperature for each temporal section in response to a predicted value of a variation of the atmospheric temperature in a day and a delayed variation of a temperature of hydraulic oil due to thermal inertia and correcting a command value for a temperature regulation of the hydraulic oil at a supply source of the hydraulic oil in response to the correction value of the atmospheric temperature, performing a feed forward compensation of the temperature of the hydraulic oil with respect to the variation of the atmospheric temperature for the day as a cyclic period, permits a working body of hydraulic oil to be kept at an adequate temperature, even under working conditions subjected to significant influences of atmospheric temperature variations and thermal inertia.
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Kikuchi Haruhiko
Nagashima Kazuo
Ochiai Akira
Watanabe Chikara
McKinnon Terrell
Price Carl D.
Toshiba Kikai Kabushiki Kaisha
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