发明名称 Optical feedback loop system for a hydraulic servovalve
摘要 An optical feedback loop system used in conjunction with an optical hydraulic servovalve. The system uses light energy from a single fiber optic bundle for expanding a gas in a pair of bellows. When one of the bellows is expanded a jet pipe connected to a servo fluid inlet is moved from a first fluid outlet to a second fluid outlet.
申请公布号 US4660589(A) 申请公布日期 1987.04.28
申请号 US19860835163 申请日期 1986.03.03
申请人 THE BOEING COMPANY 发明人 BARTHOLOMEW, RICHARD D.
分类号 F15B13/16;(IPC1-7):G05D16/00 主分类号 F15B13/16
代理机构 代理人
主权项
地址