1974-02-01

A Constant Flow, Pressure Summated Hydraulic System as Applied to a Crawler Excavator 740724

ABSTRACT

This paper discusses a simplified hydraulic system that summates the power requirements of all functions simultaneously by diverting the major portion of the available engine power to any function or combination of functions as dictated by the work load of these functions. The system utilizes conventional fixed displacement pumps and series valves.

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