Patent · US Expired

Rotor imbalance detector for a centrifuge

US4214179A · kind A · utility

21Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 15, 1979
Grant dateJul 22, 1980
Priority date
Expiry dateMar 15, 1999

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K11/20
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An improved rotor imbalance detector for a centrifuge comprising a rotatable electrically conducting ring; means to support and insulate the conducting ring from the centrifuge spindle shaft, and yet permit rotational movement of the conducting ring with respect to the support means, when the conducting ring is struck by the centrifuge drive spindle during an imbalance condition, means for de-energizing the power supplied to the centrifuge motor which rotates the drive spindle, and an electrically conducting lead in electrical contact with the conducting ring and the de-energizing means.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.