| 摘要 |
PURPOSE: To simplify the structure of a pump system as retaining accurate adjusting characteristic by improving a conventional adjuster. CONSTITUTION: Opposing control pressure acts upon an output adjuster, which is for a hydraulically adjustable pump and a type that can have its discharge varied by control pressure at a first control system through a controller, resisting to the control pressure acting on a controller 9 and the opposing control pressure is generated on a second control system C, which exclusively functions in a hydraulic type, in relation to the delivery pressure of a pump 1, while a value of the discharge and delivery of the pump 1 follows the course of a hyperbolic curve of a constant output action in a pair. |
