Umbrella generator - Umbrella generator

…In the case of a vertical shaft type, the guide bearings are located at the top and bottom, and the upper bearing is often a standard type that is integrated with the thrust bearing. A structure in which the thrust bearing is located below the rotor and the upper guide bearing is omitted is called an umbrella type generator. Generators with relatively low speeds tend to have a large outer diameter and a flat shape, making them umbrella-shaped. …

*Some of the terminology that refers to "umbrella generators" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…立軸形の場合，案内軸受は上部と下部にあり，上部軸受はスラスト軸受と一体となった普通形が多い。スラスト軸受が回転子の下方にあって，上部案内軸受を省略した構造のものをかさ形発電機という。比較的低速度の発電機は外径が大きく扁平な形となりかさ形をとりやすい。…

※「かさ形発電機」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報