Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1982-10-07
1985-10-22
Hart, Douglas
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
62 3, 165 27, 165 30, 165 63, 356246, 374 11, 165 111, F25B 2900, F25B 2102
Patent
active
045482594
ABSTRACT:
A flowcell for containing sample solutions is surrounded by an electric heater which is then surrounded by an isothermal frame having a large heat capacity, and a Peltier element serving as a cooling source is coupled with the isothermal frame. A heat delaying plate is arranged between the flowcell and heater and a temperature sensor is arranged between the flowcell and the heat delaying plate. The Peltier element is controlled in such a manner that the temperature of the isothermal frame is maintained substantially at a constant temperature lower than a predetermined temperature at which the sample solution is to be kept. The heater is controlled in accordance with a difference between the temperature of the sample solution and the predetermined temperature.
REFERENCES:
patent: 3035109 (1962-05-01), Sheckler
patent: 3314288 (1967-04-01), Sherwin
patent: 4031740 (1977-06-01), Achermann
patent: 4089184 (1978-05-01), Beitner
patent: 4310047 (1982-01-01), Branson
patent: 4407133 (1983-10-01), Edmonson
Matsumura Kunihiko
Suzuki Nobuyoshi
Tanaka Yasuhiko
Tezuka Sadao
Tsurukawa Toshio
Hart Douglas
Olympus Optical Co,. Ltd.
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