Patent ID: 7797934

Claim:
A hydraulic tool control system, comprising: a source driven by an engine to pressurize fluid; a plurality of tool actuators movable by pressurized fluid from the source; a plurality of first valve elements movable to control an amount of pressurized fluid directed to the plurality of tool actuators; at least one interface device movable by an operator to control an amount of pressurized fluid directed to move the plurality of first valve elements; a second valve element movable to limit an amount of pressurized fluid flow available to move the plurality of first valve elements; and a controller in communication with the second valve element and during a first mode of operation being configured to move the second valve element to reduce pressurized fluid flow directed to the plurality of first valve elements only during a stall or near stall condition in an amount related to the stall condition of the engine caused by operation of the plurality of tool actuators.