LIMITER OF POWER CONSUMPTION FOR ELECTROHYDRAULIC DRIVE Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: spring-loaded slide valve is positioned in the slide valve bushing. Cylindrical collars are made at the edges of the valve. The slide valve has the face control chamber controlled by pump pressure. The inlet throttle is connected with the connecting pipe for supplying fluid. The outlet throttle is connected with the drain. Working ports are connected with a cylinder for controlling pump capacity and with the inlet and outlet through the throttles. The inlet throttle has constant cross-section and is made as flats provided on one of the collars of the slide valve. The outlet throttle has alternative cross-section and made as the edge of the other collar of the slide valve and additional port of the bushing which interacts with the collar. EFFECT: enhanced reliability. 4 dwg