Patent ID: 6443425
Filing Date: 2002-09-03
Classification: F16K,F23L,Y10T

Abstract:
A switch-over valve for large channel cross sections, comprising:a housing having channel connections and side walls; a wing disposed in said housing and pivotably mounted thereto: two fixating lever assemblies mounted on opposite ones of said side walls of said housing for moving said wing, each of said assemblies including at least one fixating lever and one link rod, one end of which is pivotably connected with the fixating lever while the other end is pivotably connected with the wing; a respective driver for each of said fixating lever assemblies, wherein each driver passes through one of said side walls from outside said housing, wherein an inner end of each driver is connected to said fixating lever of a given one of said fixating lever assemblies; and a rotary drive mechanism that engages an outer end of each of said drivers outside of said housing.