Vane pump for supplying fluid, with spring-loaded piston in flow regulating valve

摘要

The vane pump supplies fluid from a container to a consumers. It has a casing containing a rotor in which vanes can move in radial slots. There is a cam ring concentric with the rotor. A flow regulating valve controls the fluid flowing to the consumer. A spring-loaded piston (1) is fitted in the flow regulating piston (2) of the flow regulating valve. One end of this piston is supported against the cam ring (3) and the other in the flow regulating piston.