Fluid Power. What is Fluid Power?. Fluid power is energy transmitted and controlled by means of a pressurized fluid, either liquid or gas. Hydraulics uses pressurized liquid, such as oil or water. Pneumatics uses compressed air or other neutral gases.
Pascal's Law expresses the central concept of fluid power:
"Pressure exerted by a confined fluid acts undiminished equally in all directions."
Microsoft, Inc. (2008). Clip Art. Retrieved December 10, 2008, from http://office.microsoft.com/en-us/clipart/default.aspx
National Fluid Power Association (NFPA). (n.d.). What is Fluid Power? Retrieved December 10, 2008, from http://www.nfpa.com/OurIndustry/OurInd_AboutFP_WhatIsFluidPower.asp