|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||251/25 ; 251/3001 ; 251/31 ; 91/399|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 11 인용 특허 : 0|
The pressure-medium-actuated valve has a pressure medium inlet, a pressure medium outlet and a cylinder. A piston which is connected to a lid is movable in the cylinder and subdivides the cylinder into a first piston chamber and a second piston chamber. Two relief lines, each comprising a control valve are connected to the piston chambers and extend to a pressure medium sink. A first connecting line comprising a control valve extends from the inlet to the first piston chamber and a second connecting line comprising a control valve extends from the inlet ...
A pressure medium actuated valve comprising a casing having a valve chamber, an inlet for conveying a pressure medium to said chamber, an outlet for conveying pressure medium from said chamber and a cylinder sealingly spaced from said chamber; a piston movably mounted in said cylinder to divide said cylinder into a first piston chamber which enlarges upon movement of said piston from an operative position to a safety position within said cylinder and a second piston chamber which decreases upon said piston movement; a rod extending from said piston into ...