✦ LIBER ✦

High-pressure, high-temperature seal for downhole use

Publisher: Elsevier Science
Year: 2004
Tongue: English
Weight: 256 KB
Volume: 2004
Category: Article
ISSN: 1350-4789
DOI: 10.1016/s1350-4789(04)00124-2

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✦ Synopsis

A magnetic fluid seal in which the poles on the stator are an oval shaped projection (3). This is claimed to provide low rotational resistance and starting torque.

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The invention relates to an elastomer seal such as an oil-pan gasket or a cylinder-head cover gasket. It contains a metallic supporting element (2), which serves to hold fastening bolts (7) placed in through-holes (5) in the elastomeric gasket. A projection (8) retains the bolt.