ES148331U - Remote control by pneumatic action of spherical valves and butterfly. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Remote control by pneumatic action of spherical and butterfly valves, characterized in that it constitutes a body longitudinally crossed by a cylindrical chamber in the center and in transverse position mounted a gear pinion provided with one of its ends of, an appendage passing through said body and protruding from it, is susceptible to coupling with the shutter element of the valve to which the remote control is applied, which pinion, for its rotation calculated 90º in one direction or another, permanently meshes with two opposite racks integral to corresponding twin pistons which, with tight fitting, play inside said chamber simultaneously moving in opposite directions, being closed at their ends with tight fitting by corresponding heads, being also integral to said pistons, corresponding symmetrically excentric tubes, that crossing them, they have their ends with suscept it is also possible to penetrate into corresponding blind cylindrical cavities provided or adopted for this purpose in corresponding places of the heads, the circumstance also being that mounted inside said tubes, coaxially to these, other respective fixed tubes that are supported by the heads with centering with respect to the cavities in which the external tubes penetrate, have an external diameter conveniently smaller than the internal diameter of the tube that surrounds them, which fixed tubes are communicating with the source of air under pressure and present next to one of their ends, corresponding holes through which said air penetrates in the space that mediates between both coaxial tubes. (Machine-translation by Google Translate, not legally binding)