A Review on Structural Development of Magnetorheological Fluid Damper

Figure 29

Schematic view of the bi-annular-gap magnetorheological energy absorber: (a) structural principle and (b) 3D drawing. 1, piston rod; 2, damper cylinder; 3, inner annular gap; 4, outer annular gap; 5, magnetic flux return; 6, permanent magnet; 7, electromagnetic coil winding; 8, inner cylinder; 9, bobbin core; 10, MRF chamber; 11, gas chamber; 12, rubber accumulator [89].

(a)

(b)