直動形ロータリサーボ弁の開発 : 第1報,ロータリサーボ弁の構造と特性

概要

論文の詳細を見る
A new type of directly operated servo valve has been developed. This rotary servo valve is small, light weight, and totally free of problems inherent to spool valves. It does not need very high manufacturing technology to exactly align the metering edges. It is also possible to reuse it when the edges are worn. The rotary servo valve consists of a rotor and two casings that control the flow of fluid by their relative rotary motion, a magnetic circuit and a coil that directly drives the rotor by electromagnetic force, and a potentiometer that feeds back the angular displacement. To prevent the rotor from contacting either casing due to thrust force caused by manufacturing error, hydrostatic bearings are placed on both sides of the rotor. This valve performs as well as a conventional servo valve, especially in terms of linearity and frequency response.
社団法人日本機械学会の論文
1995-04-25