Patent · US Expired

Magnetorheological fluid composition

US5804095A · kind A · utility

16Cited by
7References
1Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 12, 1996
Grant dateSep 8, 1998
Priority date
Expiry dateDec 12, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01F1/447
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A magnetorheological fluid comprises non-colloidal magnetic particles, an abrasive, water, glycerol, and an alkaline buffer. The abrasive may be CeO.sub.2, the non-colloidal magnetic particles may be carbonyl iron, and the alkaline buffer may be Na.sub.2 CO.sub.3. The fluid is useful for magnetorheological finishing.

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