IMPROVEMENT IN AND RELATING TO WINDMILLS

• Main Author: KOCSIS FERENC
• Format: Patent
• Language: English
• Published: 05.01.1985
• Edition: 4
• Subjects: BLASTING; HEATING; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MECHANICAL ENGINEERING; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PRODUCING MECHANICAL POWER; WEAPONS; WIND MOTORS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS

A vertical axis windmill has a rotor with a hollow shaft (6) about which is fixedly mounted an annular member (8) carrying blades (9) extending radially outwardly therefrom. The blades are scoop-shaped with apertures (14) therethrough over which are placed flaps (15) in the hollow of the scoops, whi...