Hydrodynamic sealing element
AssigneeJames Walker & Co. Ltd.
InventorsPeter John Warren, Godfrey Duncan Elliott
Life of this patent
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Abstract
A sealing element of a hydrodynamic seal for relatively rotating elements, having a sealing surface (26) and consisting of or comprising at least one stabilising ply (58) of fabric impregnated with or disposed in a binder material which prevents relative movement of fibres of the fabric during use of the seal.
Claims43
A sealing element for a hydrodynamic seal for relatively rotating elements, the sealing element having a sealing surface and consisting of or comprising at least one stabilising ply of fabric impregnated with or disposed in a binder material which substantially prevents relative movement of fibres of the fabric during use of the seal.
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A sealing element for a hydrodynamic seal for relatively rotating elements, the sealing element including:
- a stabilising ply of fabric impregnated with or disposed in a binder material;
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- a flexible ply comprising an elastomeric material.
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A seal member for a hydrodynamic seal for relatively rotating elements, the seal member comprising:
- an elastomeric member having an aperture for one of the relatively rotating elements, and a sealing element adapted to be fitted in the aperture between the elastomeric member and the rotating element, the sealing element including a stabilising ply of fabric impregnated with or disposed in a binder material.
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Dependencies are inferred from the claim text.