(19)
(11) EP 0 579 229 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.04.1994 Bulletin 1994/15

(43) Date of publication A2:
19.01.1994 Bulletin 1994/03

(21) Application number: 93111379.9

(22) Date of filing: 15.07.1993
(51) International Patent Classification (IPC)5: C10M 171/00, H01F 1/00, H01F 1/37
(84) Designated Contracting States:
DE FR GB

(30) Priority: 16.07.1992 JP 210655/92

(71) Applicant: Nippon Oil Co., Ltd.
Tokyo 105 (JP)

(72) Inventors:
  • Sasaki, Makoto, Nippon Oil Company Ltd.
    Naka-ku, Yokohama 213 (JP)
  • Sato, Hisatake, Nippon Oil Company Ltd.
    Naka-ku, Yokohama 213 (JP)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)


(56) References cited: : 
   
       


    (54) Fluid having magnetic and electrorheological effects simultaneously


    (57) A fluid having magnetic and electrorheological effects simultaneously, which comprises a magnetic field-susceptible component, an electric field-susceptible component and an electrically insulating liquid has a larger torque and a higher response speed.





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