13.234 FIGURE “C” 10 PSIG AIR 10#/IN² FLUID CUSHION TANK PRESSURIZED AT 10 PSIG START STOP 1” HINGE (TYPICAL) DIAMOND-SHAPED ACTUATOR EACH WALL 10 IN² (1” X 10”) 10 PSIG FLUID VOLUME CHANGE 9.99 IN³ AIR SUPPLY REGULATOR SET TO MAINTAIN EXACTLY 10 PSIG PRESSURE TOTAL FORCE 117 POUNDS FIGURE “C” illustrates a diamond-shaped actuator with a constant 10 PSIG fluid pressure applied to the actuator’s four 10 in², hinged moving walls, resulting in 117 pounds of force at the actuator’s forward tip. The travel is one-inch consuming 9.99 in³ of fluid. NOTES TO CONSIDER: -1- The diamond-shaped actuator in FIGURE “C” produces 17% more force, with .01% less fluid than the standard piston in FIGURE “A”. -2- The fluid in the standard piston in FIGURE “B” does not care what provides the 102 pounds of counter force on the piston’s shaft. If the 102 pounds is applied through one inch, over-powering the 100 pounds of force generated by the fluid, the fluid exits the piston. The 10 in³ of fluid at a pressure of 10 PSIG is pumped from the piston and can be used as a fluid source in another device. -3- The diamond-shaped actuator does not care where its 117 pounds of force through one inch is applied. -4- The diamond-shaped actuator may apply 102 of it’s 117 pounds of force to pump 10 in³ of fluid from the standard piston. -5- The diamond-shaped actuator can use 9.99 in³ of the 10 in³ it pumped from the standard piston to provide its own fluid requirements. -6- After completely satisfying its requirement of pressurized fluid, the diamond-shaped actuator has 15 pounds of force remaining through the one inch travel. -7- FIGURE “D” illustrates the required arrangement.
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