CONTROL GATE FOR STEAM TURBINE Russian patent published in 2006 - IPC F16K1/22 

FIELD: valving.

SUBSTANCE: control gate comprises housing, rotatable disk provided with pins and mounted inside the housing in the bearings, and drive provided with servomotors and secured to the housing. The servomotors are connected with the source of high-pressure oil and to the drain. The rods of the servomotors are interconnected through the lever. The lever is secured to the pin. The gate has two-row spherical radial-thrust roller bearings, bushings with axle boxes, and lids. The outer races of the bearings mounted in the bushings are pressed to the housing of the gate by means of the members. The inner race of one of the bearings is freely mounted on the pin. The inner race of the other bearing is secured to the second pin. The bushings together with the axle boxes and the lid define ring chambers of a given length. The chambers are filled with stuffing.

EFFECT: enhanced reliability.

2 cl, 4 dwg