TURBOPUMP SET Russian patent published in 2001 - IPC

FIELD: turbines and pumps. SUBSTANCE: invention can be used for pumping cryogenic components. Turbopump set has pump and turbine arranged in housing connected over periphery by fasteners, radial-thrust bearing, pressure and sealing devices. Pressure device is made in form of plunger spring-loaded by split ring with conical end faces and provided with holes. Split ring is pressed to end face of bearing. Holes communicate with each other, with higher pressure area, with behind-the-plunger space and with bearing space. Opposite walls of housing of pump and turbine are made in form of diaphragms. Sealing is installed between diaphragms in central part. EFFECT: increased reliability of set. 2 cl, 1 dwg