CONTROLLABLE THROTTLE VALVE Russian patent published in 1999 - IPC

FIELD: fuel supply systems of power plants. SUBSTANCE: controllable throttle valve has body with inlet and outlet branch pipes, sleeve with ports and linear. Inner cavity of sleeve is brought into communication with outlet branch pipe. Linear is engageable with sleeve and is located in cavity of body which is communicated with inlet branch pipe. Ports are arranged on sleeve in rows. Liner is made in form of rings. Each ring is engageable with one row of ports. Rings are fastened by means of strips. EFFECT: improved service characteristics of throttle valve due to extended functional capabilities; improved dynamic processes of system. 1 dwg