Centrifuge with vacuum pump and control method thereof
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United States of America Patent
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Apr 2, 2013
Grant Date -
Jan 27, 2011
app pub date -
Jul 27, 2010
filing date -
Jul 27, 2009
priority date (Note) -
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Abstract
A centrifuge comprises a rotor for holding a sample, a rotation chamber for housing the rotor, a motor for rotating the rotor, an oil diffusion pump for reducing a pressure within the rotation chamber, and a control unit for controlling the heater temperature of the oil diffusion pump for a target set temperature. The control unit changes the target set temperature from a first given temperature to a second given temperature that is lower than the first given temperature after a given period of time elapses since the start of control of the heater temperature.
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