Patent ID: 9151400
Filing Date: 2015-10-06
Classification: F16K,Y10T

Abstract:
1. A cam assembly for use in a slam-shut safety valve, the cam assembly comprising: a cam having an elongated first cam arm, the cam being planar and pivotable about a rotational axis disposed adjacent to a first end of the first cam arm, the cam including an elongated cam body having a top portion and a bottom portion opposite the top portion, and wherein a cam body axis longitudinally extends through the cam body, wherein the first cam arm extends from the bottom portion of the cam body and a second cam arm extends from the to portion of the cam body in a direction opposite to the first cam arm; and a torsional spring having a pair of stationary outer arms and a pair of pivotable inner arms, wherein the pair of inner arms is coupled to a portion of the first cam arm, wherein a cross arm extends from a distal end of a first inner arm of the pair of inner arms to a distal end of a second inner arm of the pair of inner arms, and the cross arm engages a portion of the first cam arm that is adjacent to a second end of the first cam arm, and wherein the pair of inner arms is adapted to act on the first cam arm to bias the cam into a relatching position.