HYDRAULIC MOTOR Russian patent published in 1998 - IPC

FIELD: mechanical engineering; designing of engines employing hydraulic effect for their operation. SUBSTANCE: hydraulic motor has main hydraulic cylinder with piston communicating with cylinder of piston pump made in base with stops. Water-filled load tank whose bottom is furnished with several valves is used as piston. Tank is connected by rods and main lever with piston of main hydraulic cylinder whose rod space is provided with cylindrical partitions dividing it into several sections. At least two sections are furnished with spring-loaded cylindrical plates installed for displacement relative to main hydraulic cylinder walls. Rodless space of main hydraulic cylinder communicates at one side with hydraulic line, and at other side, with rod hydraulic cylinder whose rod is connected through lever with piston of additional cylinder, rodless space of which connected with second rod hydraulic cylinder whose rod is connected to main lever. EFFECT: enlarged operating capabilities. 2 dwg