SUCCESSIVE LUBRICATING OIL-AIR FEEDER Russian patent published in 2003 - IPC

FIELD: devices for supply and distribution of lubricating materials. SUBSTANCE: feeder consists of a set of sections including input and terminal sections and package of intermediate sections. Each section has movable control valve with bands forming in cylindrical bore the dosing and annular cavities and a system of internal channels for alternate communication of dosing chamber of one intermediate section with annular chamber of other intermediate section, inlet channel and outlet oil channels to lubrication points; gaskets or packing rings in joints; coupling studs and nuts. Made in terminal section and package of intermediate sections is through input channel for compressed air. Said inlet channel running through intermediate sections and restricted at outlet by stop, for instance, by end face of inlet section. In this case, inlet channel in each intermediate section is separated into two distributing channels each provided with own control air valve through which it is communicated with respective outlet oil channels. EFFECT: higher reliability. 3 cl, 2 dwg