A semi-active type vehicle seat vibration absorbing device with a magneto-rheological elastomer comprises a lower excitation coil, a working barrel, a magneto-rheological elastomer, an upper excitation coil, a spiral spring, a protection cover, a seal ring, an upper support, a piston rod, a piston, an adjusting shim, a gland nut, an upper excitation core, a lower excitation core, control wires, a controller, a signal wire, a vehicle height sensor, a magnetism isolating bottom plate and a lower support, wherein the excitation coils and the excitation cores which are used as the loading sources of an electromagnetic field are mounted in the working barrel, and the magneto-rheological elastomer is positioned between the upper excitation core and the lower excitation core; the vibrating signal of the vehicle body is transmitted to the controller by the vehicle height sensor; the size of current in the excitation coils can be changed by the controller through the control wires, and magnetic field strengths in the excitation coils and the excitation core are changed as a result, so that the rigidity and the damping of the magneto-rheological elastomer are regulated in real time; the spiral spring can assist the vibration absorbing device in absorbing and reducing vibrating energy. The semi-active type vehicle seat vibration absorbing device with the magneto-rheological elastomer is provided through the joint action of the spiral spring with fixed rigidity and damping and the magneto-rheological elastomer with adjustable rigidity and damping, so that the riding comfort of the vehicle is improved.


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    Title :

    Semi-active type vehicle seat vibration absorbing device with magneto-rheological elastomer


    Contributors:
    SUN LINGYU (author) / LI LIJUN (author)

    Publication date :

    2015-07-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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