TURBINE REGULATING DEVICE Russian patent published in 2003 - IPC

FIELD: mechanical engineering; turbines. SUBSTANCE: invention is designed to regulate rate of water flow. Proposed device is installed between end face walls of turbine supply channel on turning axle arranged parallel to wheel axle and is provided with vane. Owing to turning of vane around axle parallel to axle of working wheel, flow rate of liquid is changed. Device is furnished additionally with at least one turning vane with first vane by stiffening ribs to form biplane structure with common axle of turning. Moreover, at least one fixed vane can be installed after one of turning vanes. Fixed vane is rigidly connected with end face walls of supply channel. EFFECT: improved strength of device, provision of minimum hydraulic losses, adaptability to manufacture. 2 cl, 1 dwg