Search Results - john foss

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Ultra-High Efficiency Vertical Axis Wind Turbine

IntroductionWith a recent focus on renewable energy, wind turbines have become a popular method for harvesting unused energy and providing clean energy to customers. There are two types of wind turbines that are commonly used: horizontal axis wind turbines and vertical axis wind turbines (VAWT). These terms describe the axis around which the blade disk...
Published: 11/17/2014   |   Inventor(s): John Foss
Keywords(s):   Category(s): Energy, Environment

A Dynamically Controllable, High Volume, Flow Rate Positive Displacement Pump (DCHV Pump)

IntroductionPositive displacement pumps for liquids and gases typically include one or more pistons, cylinder assemblies, and associated inlet and outlet valves which control the flow of fluid pumped into and out of the cylinders. Such pumps are typically capable of relatively high pressure rise operation. A drawback of such positive displacement pumps...
Published: 9/17/2010   |   Inventor(s): John Foss
Keywords(s): Positive Displacement Pump, Pulsatile Effects, Rotary Vacuum Pumps Category(s): Mechanical, Devices