发明名称 VALVULA DE CONTROLE DIRECIONAL DE PRESSAO COMPENSADA
摘要 <p>A pressure compensated directional control valve is provided which automatically regulates the position of the valve depending upon the load so as to maintain a constant flow of fluid by means of check valve members in the spool in the form of a resilient or flexible band in a groove surrounding the valve spool and covering the outer ends of the radial passages from the internal spool chambers.</p>
申请公布号 BR7702921(A) 申请公布日期 1978.01.31
申请号 BR19777702921 申请日期 1977.05.05
申请人 COM SHEARING INC 发明人 HODGSON R
分类号 F15B11/05;F15B13/04;G05D7/01 主分类号 F15B11/05
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