MEASURING PRESS FOR INVESTIGATION OF OIL Russian patent published in 2007 - IPC G01N7/14 E21B47/00 

FIELD: analyzing or investigating of materials.

SUBSTANCE: press comprises cylinder filled with the sample of oil to be investigated. The top base of the cylinder is provided with a charging opening connected to the pressure gage and inlet of the multi-position air-operated valve. The cylinder receives the floating piston with the sealing ring that separates the cylinder into the top and the bottom chambers. The piston movements inside the cylinder to determine the volume of oil is recorded by an ultrasonic pickup of linear movements. The piston is connected with the hollow rod that passes outside through the bottom base of the cylinder and is connected with the measuring rod and compensator through the T-pipe. The other end of the measuring rod is connected with the electronic pickup of linear movements. The bottom chamber of the cylinder is connected with the hydraulic pump controlled by the pulse block.

EFFECT: enhanced precision.

1 dwg