Other

The Archimedes B.v.

Cho, Yeoung Cheol

Marinus Mieremet

Joon Ho Baek

Yeoung Cheol Cho

Bong Sik Kim

Joon-Ho Baek

Ho Seong Ji

Arnold Blom

A spiral blade unit is disclosed, which generates less blade-sagging, deformation, or vibration, can be made of various material, can be made with light material, and can be installed easily in interconnecting spiral blades. The spiral blade unit includes a rotational axle and spiral blades with root portions attached along an outer circumferential surface of the rotational axle, and the spiral blades are interconnected to one another through a blade connector.

Spiral blade unit and wind generator and blade connector for the unit

A method for making blade unit with divided shaft facilitating drastically the productivity and assembling compared to a method fixing blade to a shaft using many connecting parts. The method for making blade unit includes steps for making a blade with divided shaft comprising a blade and a divided shaft that is attached integrally to a root portion of the blade and divided into a plurality of portions in a direction of length of the shaft, and combining a plurality of made blades with divided shaft together with one another through the divided shaft.

Blade having a divided shaft and blade unit utilizing the blade and method for making the blade unit

Growing community of inventors

Vinkeveen, Netherlands

Marinus Mieremet