EP 0579229 A3 19940413 -
Publication
Application
Priority
JP 21065592 A 19920716
Abstract (en)
[origin: EP0579229A2] 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.
IPC 1-7
IPC 8 full level
C10M 171/00 (2006.01); H01F 1/44 (2006.01)
CPC (source: EP)
C10M 171/001 (2013.01); H01F 1/445 (2013.01); H01F 1/447 (2013.01); C10M 2201/05 (2013.01); C10M 2209/084 (2013.01); C10M 2217/044 (2013.01); C10M 2217/045 (2013.01); C10N 2040/14 (2013.01); C10N 2040/16 (2013.01); C10N 2040/17 (2020.05); C10N 2040/175 (2020.05); C10N 2040/18 (2013.01); C10N 2040/185 (2020.05)
Citation (search report)
- [X] US 3385793 A 19680528 - KLASS DONALD L, et al
- [DXY] GB 1076754 A 19670719 - PURE OIL CO
- [Y] EP 0478034 A1 19920401 - ASAHI CHEMICAL IND [JP]
- [XY] US 2661596 A 19531208 - WINSLOW WILLIS M
- [Y] US 2452529 A 19481026 - LOUIS SNOCK JACOB
- [E] EP 0566931 A1 19931027 - BASF AG [DE]
- [A] US 3228881 A 19660111 - THOMAS JOHN R
- [PX] DATABASE WPI Section Ch Week 9244, Derwent World Patents Index; Class G04, AN 92-360957
- [X] DATABASE WPI Section Ch Week 8310, Derwent World Patents Index; Class M22, AN 83-24583K
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0579229 A2 19940119; EP 0579229 A3 19940413; EP 0579229 B1 19980930; DE 69321301 D1 19981105; DE 69321301 T2 19990225
DOCDB simple family (application)
EP 93111379 A 19930715; DE 69321301 T 19930715