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not covered in any detail. This would presumably limit the temperature range of this device. The effect that temperature variations have on the pressure in the hydraulic circuit -when the pressure is locked in -is also not covered. This latter factor could cause very significant pressure variations.
Applicant: Aktiebolaget SKF, Sweden This invention relates to a valve stem seal for an internal combustion engine. The seal has a garter spring-loaded oil seal lip and two gas seal lips. A specific feature of this design is the space between the pair of gas-side seal lips.
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This patent describes a seal that is used as a static seal between the inner cone and the hub of a wheel bearing assembly [I think -Editor]. The benefit appears to be that the pair of
A tool that is intended for the repair of a sealing land downhole forms the subject of this patent. A motor rotates a polishing cylinder that features spirally-wound vanes. A reservoir of resin or other repair material is connected to an injection pump to deliver the material as the vanes are rotati
This covers a gasket similar to that described in WO/2009/060689. In this case the sheath is described as PTFE or inorganic sheets that are laminated and bonded to the thin metal plate of core material. It is, again, claimed to work with both low and high compression forces. Large deformation of the
A new seal wire for glass is described in this patent. It has an outer iron layer instead of copper on the traditional dumet core wire. The weight ratio between iron and alloy in the whole glass seal wire is controlled, so that the expansion coefficient of the composite wire is close to that of the