What do you think we need? (1) Imagine that we have a hydraulic actuator that is 20% more efficient than conventional hydraulic actuators. This means the new actuator produces one hundred and twenty pounds of force through the same stroking range of the shaft, rather than the one hundred pounds attained by the conventional actuator in the first consideration. (2) Imagine that the new, more efficient hydraulic actuator could relieve you of the burden suffered in pushing with one hundred and one pounds of force to displace the volume of pressurized fluid in the previous example. (3) Imagine that the more efficient actuator actually required less fluid than the conventional actuator attaining identical stroke. If we had these three points what can be accomplished? If we had all three points we could develop a machine that provides its own source of pressurized fluid while stroking through its shaft's range. Part of the 20% surplus force, created by the 20% greater efficiency, would be required over coming friction, causing motion and resetting the machine for the next reciprocating cycle. Here's the kicker! The remaining surplus force, through the stroking range, can be extracted from the system producing work external to the system. Well…, Reilley in 1874 (US patent #147,519), Powers in 1886 (US patent #345,446), Sleeper in 1901 (US patent # 696,768) and Strain in 2004 (US patent #6,782,800 and European patent #1240435) were all granted patents defining actuators achieving exactly these three points. NET RESULT = WORK OUT ˃ WORK IN 13.237
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