Patent ID: 7942606
Filing Date: 2011-05-17
Classification: F16K,Y10T

Abstract:
1. An automatic fluid flow regulator comprising: a housing having an upstream end and a downstream end, said upstream and downstream ends each further defining an aperture adapted to be in fluid connection with a fluid conduit; a longitudinal frame rail disposed within said housing, said rail having an upstream rail end and a downstream rail end; a hinged closure disposed within said housing proximate said upstream rail end of said rail and adapted to fit over said aperture in said upstream end of said housing; an articulated lever arm disposed within said housing and further comprising an upstream lever, a roughly centrally positioned joint, and a downstream lever, wherein said upstream lever is pivotably attached distal from said joint to said closure and wherein said downstream lever is pivotably attached distal from said joint to said downstream rail end of said rail, and wherein said upstream and downstream levers pivot about said joint; a support pivotably attached to said joint; and a float member attached to said support.