Heat exchange – With timer – programmer – time delay – or condition responsive... – Having heating and cooling capability
Patent
1995-09-13
1999-03-09
Ford, John K.
Heat exchange
With timer, programmer, time delay, or condition responsive...
Having heating and cooling capability
165256, 165259, 165108, 62434, 62435, F25B 2900
Patent
active
058788115
ABSTRACT:
An apparatus for the controlled cooling of chemical tanks containing a chemical which must be kept at a first prescribed temperature includes at least one heat-exchanger coil immersed inside a chemical tank and through which there is made to circulate a flow of an inert gas. The apparatus includes a storage system for storing and cooling a prescribed volume of inert gas at a second prescribed temperature lower than the first prescribed temperature, feeding means for feeding the storage means with inert gas coming from a main supply line, and valve means interposed between the storage means and an inlet of the at least one heat-exchanger coil for controlling the supply of cooled inert gas to the heat-changer coil.
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European Search Report from European Patent Application Serial Number 94830440.7, filed Sep. 20, 1994.
Patent Abstracts of Japan, vol. 12, No. 318 (E-650), Aug. 29, 1988 of JP-A-63 081932 (Hitachi Ltd).
Consorzio per la Ricerca sulla Microelttronica nel Mezzogiorno
Ford John K.
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