Patent ID: 6755027
Filing Date: 2004-06-29
Classification: F02G,F03G,F25B

Abstract:
A spring with an integral dynamic gas seal comprising:a spring having a pair of spaced apart ends and a spring body extending therebetween; the spring body comprising a perimeter wall formed of a first material and extending in a longitudinal direction, the wall having a plurality of openings defined therein, the openings being provided in a plurality of transverse tiers, each tier including a plurality of separate openings each extending along a portion of the perimeter, the openings in each tier being spaced apart so as to define a post between each adjacent opening such that each tier includes a plurality of posts, the openings in each tier being staggered with respect to the openings in adjacent tiers such that each of the openings of each tier overlie one of the posts in an adjacent tier; and a closure member covering each of the openings such that the spring body is sealed, the closure members comprising a body of elastomeric material filling each of the openings, the elastomeric material having a different degree of flexibility than the first material.