VISCOUS FLOW MATERIAL TRANSFER INSTALLATION Russian patent published in 1996 - IPC

FIELD: materials handling. SUBSTANCE: installation has power station 1, piston pump with piston 2, power cylinder 3, working chamber 4 accommodating movable cutoff 5 of viscous flow material. Working chamber 4 communicates with service hopper 6 and hermetic chamber 7 divided by partition 8 into two spaces one of which communicates with oil service tank 10 through check valve 9 and with device 12 to deliver oil into transportation pipeline 13 through other check valve 11. Oil service tank bottom is located higher than upper edge of service hopper 6. Connection of one space of hermetic chamber with piston pump working chamber excludes periodical operation of hermetic chamber making unnecessary additional hermetic chamber and large number of shutoff and control valves. EFFECT: provision of synchronous delivery of lubricant to delivery pipeline. 1 dwg