Abstract The operating conditions of magnetic fluid seals during reciprocating motion are so different from those observed in rotating motion that the use of their conventional structures for reciprocating motion seals yields no good results. The analysis of the sealing mechanism of magnetic fluid seals in reciprocating motion shows that the operation of these seals is affected by the carry-over phenomenon and magnetic fluid film deformation in the sealing gap, which depends on the velocity of the reciprocating motion. The reduced amount of magnetic fluid in the sealing gap caused by the reciprocating motion of the shaft is the main reason for seal failures. The paper presents a short characterisation of magnetic fluid sealing technology, the principle of sealing, the operation of the magnetic fluid and the seal failure mechanism in linear motion of the shaft. Moreover, some new structural designs of hybrid seals, being combinations of typical hydraulic seals with magnetic fluid seals for reciprocating motion, and some examples of magnetic fluid sealing structures for hydraulic cylinders and piston compressors which have practical application values are presented.


    Access

    Access via TIB

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    New Designs of Magnetic Fluid Seals for Reciprocating Motion


    Contributors:

    Published in:

    Publication date :

    2022




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Classification :

    BKL:    50.92 Meerestechnik / 55.40 Schiffstechnik, Schiffbau



    New Designs of Magnetic Fluid Seals for Reciprocating Motion

    Matuszewski Leszek / Bela Piotr | DOAJ | 2022

    Free access

    Reciprocating seals

    Towler, F.H. | Engineering Index Backfile | 1949


    RECIPROCATING SLAT CONVEYOR WITH SEALS

    DE RAAD FRANS ARIAN HEINO / MATER NICOLAAS MARC | European Patent Office | 2019

    Free access

    Optimum design of metallic reciprocating seals

    Etsion,I. / Department of Mechanical Engineering,Haifa,IL | Automotive engineering | 1983