US Patent 7331175 Hydraulic system having area controlled bypass

The present disclosure is directed to a hydraulic system having a first source of pressurized fluid and at least one fluid actuator. The hydraulic system further includes a first valve disposed between the first source and the at least one fluid actuator. The first valve is configured to selectively communicate pressurized fluid from the first source to a tank in response to a first command. The first command is at least partially based on a predetermined flow area of the first valve.