REGULATOR Russian patent published in 2009 - IPC F16K3/02 F16K47/04 F16K31/54 

FIELD: transportation.

SUBSTANCE: regulator includes body with inlet and outlet channels. Flat slide gate with hole and insert are installed in seat. Slide gate is connected with actuator rod. Unloading rod is located at side opposite to actuator rod. The latter is connected with flat slide gate. Unloading rod diametre is equal to actuator rod diametre. Its lower part is located outside body. It is made as toothed rack. In the body behind the seat and in axial alignment with it, identical seat with installed in it flat slide gate having hole and insert is located. The latter are turned by 180 degrees and installed being able to move in direction opposite to flat slide gate shift under action of actuator rod. Flat slide gate at unloading rod side is connected with identical unloading rod, and at actuator side it is connected with additional unloading rod. Additional unloading rod diametre is also equal to actuator rod diametre. Toothed racks of both unloading rods are simultaneously engaged with gear wheel. The latter is freely mounted on axis.

EFFECT: reliability improvement and increase in durability of regulator operation.

1 dwg