| 摘要 |
Controlled oscillating damper, comprising: a housing ( 12 ) provided with a cavity ( 14 ), an oscillating element ( 18 ) moving sealingly within the cavity ( 14 ), in which the housing ( 12 ) and the oscillating element ( 18 ) have respective walls defining at least one chamber ( 44 ) filled with magneto-rheological or electro-rheological damping fluid, and at least one electrically controlled excitation device ( 46 ) equipped with at least one fluid passage ( 52 ) which a fluid flow gets through during the motion of the oscillating element ( 18 ). The excitation device ( 46 ) is stationary with respect to the housing ( 12 ) and is arranged so as to divide the damping chamber ( 44 ) into two sections of variable volume ( 44 a , 44 b) communicating one with the other through the passage ( 52 ).
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