Patent ID: 7837054
Filing Date: 2010-11-23
Classification: F17C,H01M,Y02E

Abstract:
1. A seal system for the sealing of a storage tank, said sealing system comprising: a valve body; a boss member, said valve body being fixable within the boss member; a spring energizer member, said spring energizer member fixable within the boss member and surrounding the valve body; a non-bonded liner disposed between the spring energizer member and the boss member; and a boss-to-liner external radial seal disposed between the boss member and the non-bonded liner within an inner groove of the boss member, the boss-to-liner external radial seal operative to seal in a radial direction with respect to an axis of the valve body, wherein the spring energizer member is configured to ensure that the non-bonded liner is in constant contact with the boss-to-liner external radial seal.