Characteristics of a Ferromagnetic Linear Vacuum Seal

Miyake, Shojiro; Takahashi, Sadao

doi:10.1080/05698198508981631

Cited by 4 publications

(1 citation statement)

References 3 publications

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“…Miyake and Takahashi [136] studied characteristics of a linear magnetic fluid vacuum seal with rotation by experiments. This seal principle prevented seal breakage caused by the shaft linear movement.…”

Section: Magnetic Fluid Reciprocating Sealingmentioning

confidence: 99%

Theory analyses and applications of magnetic fluids in sealing

et al. 2023

Friction

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Magnetic fluids are the suspensions composed of magnetic nanoparticles, surfactants, and non-magnetic carrier liquids. Magnetic fluids are widely used in various fields, especially in sealing, because of their excellent features, including rapid magnetic response, flexible flow ability, tunable magneto-viscous effect, and reliable self-repairing capability. Here, we provide an in-depth, comprehensive insight into the theoretical analyses and diverse applications of magnetic fluids in sealing from three categories: static sealing, rotary sealing, and reciprocating sealing. We summarize the magnetic fluid sealing mechanisms and the development of magnetic fluid seals from 1960s to the present, particularly focusing on the recent progress of magnetic fluid seals. Although magnetic fluid sealing technology has been commercialized and industrialized, many difficulties still exist in its applications. At the end of the review, the present challenges and future prospects in the progress of magnetic fluid seals are also outlined.

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Section: Magnetic Fluid Reciprocating Sealingmentioning

confidence: 99%