EntityQ2082990· pop 6· linked from 3 articlesferrofluidic sealSign in to savemechanical seal which uses magnetic liquidConnectionsmagnetEntitydigital object identifierEntitymagnetismEntityviscosityEntitytorqueEntityvapor pressureEntitydragEntitystatorEntityball bearingEntityferrofluidEntityUnited States Patent and Trademark OfficeEntityhermetic sealEntityUltra-high vacuumEntityCategoriesMagnetic devicesSeals (mechanical)