Laboratory centrifuge, comprising refrigeration unit

Details Laboratory centrifuge, comprising refrigeration unit Laboratory centrifuge, comprising refrigeration unit

2005-03-15

2005-03-15

Cooley, Charles E. (Department: 1723)

Imperforate bowl: centrifugal separators

With condition responsive means

For controlling drive of driven means within bowl

C494S014000

Reexamination Certificate

active

06866621

ABSTRACT:
A laboratory with a rotor driven by a centrifuge electric motor and a cooling unit driven by an electrical cooling motor, wherein the centrifuge motor is formed as a frequency-controlled induction motor fed from a frequency converter controlled by a control unit and having a centrifuge inverted rectifier that feeds the centrifuge motor and is connected to a d.c. source fed from a mains power rectifier, characterized in that the cooling motor is formed as a frequency-controlled induction motor, and that the frequency converter has a further cooling inverted rectifier connected to the d.c. source parallel to the centrifuge inverted rectifier for feeding the cooling motor.

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Patent Abstract of Japan No. 09-024302, Jan., 1997.

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