| 摘要 |
A pressure regulating valve includes a housing having a cavity therein with at least a first port, a second port and a third port in fluidic communication with the cavity, and a spool movable within the cavity. The spool separates the cavity into at least a first space and a second space, the first port and the second port are in alterable fluidic communication with the first space with movement of the spool altering a flow area connecting the first port with the second port. The third port connects to the second space through a variable flow area opening that is configured to alter a rate of movement of the spool. |
