THROTTLE Russian patent published in 2011 - IPC F16K47/04 

FIELD: machine building.

SUBSTANCE: throttle consists of case with inlet and outlet branches and of multi-channel throttle element installed in case. The channels are mutually perpendicular with a cross point on axis of the throttle element and are positioned in parallel planes perpendicular to this axis. Two outlets of each cross are connected with two corresponding inlets of the successive cross by means of grooves. The grooves are located on surface of the throttle element. The above said outlets of the mutually perpendicular channels arranged in one plane are turned at equal angle relative to axis of the throttle element.

EFFECT: wide range of control of liquid flow per length unit of throttle element.

4 dwg