This patent describes a device for use as part of a centrifuge for biological samples. It is designed to allow fluid passage into and out of individual chambers of the centrifuge and provide thorough emptying of the chambers. It uses what are described as face seals but from the limited detail provi
Hydrodynamic seal for a rotating sleeve engine
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 369 KB
- Volume
- 2005
- Category
- Article
- ISSN
- 1350-4789
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โฆ Synopsis
This patent describes a metal gasket that has an S-shaped longitudinal section. Metal rings may be fitted into the recesses in the section. It is claimed that the seal ring is not elastically deformed, even under a high compressive load, thus reducing fatigue failures and avoiding potential damage under high pressure.
๐ SIMILAR VOLUMES
seal has a moulded wave profile, or a series of semicircular arches that contact the groove wall. A number of different patterns are illustrated.
include a deformable portion interconnected to a vapour barrier portion by way of a mechanical or adhesive interlocking connection. This deformable portion can be made from an elastomeric material. The vapour barrier portion can be formed from a wide variety of materials that inhibit permeation of t
inter-lip spaces.
basic composition of the raw material is composed of 16-28 wt% of NBR, serving as the rubber; 4-8 wt% of an aramid fibre, serving as the reinforcing fibre; 10-20 wt% of a needlelike dolomite, serving as the reinforcing fibre; 8-20 wt% of silica particles, serving as the filler; and the balance, an i