(57) A hydraulic circuit selector with flow control for selectively operating any one
of a plurality of hydraulic actuators (22, 24) at a given time and for bypassing the
excess flow to the sump (34) if the actuator (24) being operated requires a lower
fluid flow rate than that supplied to the circuit selector (50). An orifice (80 or
90) is disposed between the circuit selector (50) and actuator (24) in each line (64
or 66) which may function as a pressure line to the actuator. A hydraulic line (82,
85 or 92, 95) is connected to the pressure line (64 or 66) upstream from the orifice
(80 or 90) and to a return line (66 or 64). A bypass valve (84 or 94) is disposed
in the connecting line (82, 85 or 92, 95) and detects a pressure drop across the orifice
(80 or 90) to open the bypass valve (84 or 94) and bypass the excess flow from the
pressure line to the return line.
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