Patent ID: 6712335
Filing Date: 2004-03-30
Classification: F16K,F24F

Abstract:
A fluid damper, comprising:a. a frame, said frame comprising a base, a wall portion extending outwardly from said base, said wall portion possessing an end said frame defining an aperture therethrough; b. a stepped edge portion located at said end of said wall portion said stepped edge positioned to at least partially circumvent said aperture; c. a first flange and a second flange, said first flange positioned in overlying relationship with said second flange, said first flange being moveably relative to said second flange in said overlying relationship; and d. means for moving said first flange relative to said second flange, said first and second flanges riding on said stepped edge portion to move from a first position leaving said aperture open to a second position closing said aperture.