PISTON-CYLINDER ASSEMBLY AND HYDRAULIC PRESS Russian patent published in 2010 - IPC F15B15/22 

FIELD: engines and pumps.

SUBSTANCE: piston-cylinder assembly is intended for hydraulic press with piston, which enters at least partially, said cylinder to divide cylinder inner chamber along axis X into two parts. Note here that at least first part of said chamber accommodates compensation device to counteract pressure increase in medium contained in the first part of aforesaid chamber and caused by piston travel along cylinder axis X. Proposed invention covers also hydraulic press incorporating piston-cylinder assembly described above.

EFFECT: higher reliability.

30 cl, 6 dwg