DELIVERY MODULE FOR MAIN GAS LINE Russian patent published in 1998 - IPC

FIELD: pipe line transportation of working medium; transportation of powerful flow of gas. SUBSTANCE: delivery module is built in main 6 by means of flanges 4 and 5 and includes axial blower 1 and drive 2. Distance between blades 11 and 18 is found from relationship t/d ≥ 0,1. Their profiles have inverted convexity in area of trailing edges. Length of blades is found from relationship L/b ≤ 1. Relationship b_ymax/b has magnitudes from 0.05 to 0.6 in central portion of interblade passage in its height by 80 to 90 percent and from 0.6 to 0.95 in peripheral portion of interblade passage adjoining the surface of rotor and housing. EFFECT: reduced losses in passages, enhanced wear and vibration resistance of blades. 5 cl, 4 dwg