Patent ID: 8613198
Filing Date: 2013-12-24
Classification: F01D,F05D,F16K,Y10T

Abstract:
1. A valve assembly comprising: a valve body comprising a longitudinal axis and a radially inner internal flow passage extending axially between an inlet opening and an outlet opening, a disk selectively positionable to modulate a flow of working fluid through said flow passage, and a radially outer external surface; a first actuator positioned radially outboard of said external surface; a second actuator positioned radially outboard of said external surface; a first linkage comprising a first actuator end configured to couple to said first actuator, a second actuator end configured to couple to said second actuator, and a rod end configured to couple to said disk; wherein an actuating force applied from each actuator to each respective actuator end is combined through said first linkage to said rod end.