Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1982-04-14
1984-07-10
Paschall, M. H.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219212, 219297, 219309, 128400, H05B 102
Patent
active
044594682
ABSTRACT:
A fluid circulating system primarily designed for use with a thermal blanket or pad and being temperature controlled so that both heating and cooling effects may be produced through the preheating or precooling of fluid in a reservoir tank or like container which, wherein the fluid is in turn forced through the thermal blanket to provide the proper heating or cooling as desired. A standby switching mode is included to prevent circulation of the fluid through the thermal blanket by a pump structure until the fluid reaches a preselected temperature has been reached. Heating and cooling transfer elements are disposed to the fluid within the reservoir tank thereby eliminating the need for condensor structures and the like and allowing for a compact overall unit to provide the required fluid circulating throughout the thermal blanket.
REFERENCES:
patent: 3894213 (1975-07-01), Agarwala
patent: 3967627 (1976-07-01), Brown
patent: 4167663 (1979-09-01), Granzow, Jr. et al.
patent: 4182567 (1980-01-01), Laar et al.
Fisher, III Arthur W.
Paschall M. H.
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