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Directory:Waste Heat Generators

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A Directory of Companies and Technologies involved in extracting energy from waste heat.

Contents

Websites and Links


Featured at PESWiki

  • Directory:Bar-Gadda LLC - Prototype device converts water vapor or steam into hydrogen using a process called radiant energy transfer. Efficiency around 90%. Yields in excess of 80% H.
  • Directory:Capstone Turbine Corporation - Have you ever driven past a refinery and seen the large flare towers and thought, "Why don't they harness that energy?" Capstone's microturbines are ideally suited for that task, among other applications.
  • Directory:Cyclone Power Technologies Inc - This Waste Heat Engine is a unique technology off-shoot of the Green Revolution Engine the Schoell cycle engine is a cross between a Rankine, Diesel and Carnot cycle engine.
  • Directory:Accelerated Magnetic Piston Generator - the Encore MPG is a Linear Engine that uses heat to produce high pressure gases to propel a Magnetic Piston through a series of electro-magnetic coils to generate electricity according to Faraday's Law of Induction, wherein moving a permanent magnet into and out of a coil of wire induces an electrical current in the wire while the magnet is in motion.
  • Directory:Advanced Power Generation - Advanced utility-scale power generation technologies are being developed that have the potential to nearly double the energy conversion efficiencies of existing coal, oil and natural gas power generating plants to 60% (from the current average efficiency of around 35%).
  • Directory:Kokhala EnergyCell - Solar EnergyCells® simultaneously generate electricity, space heat and hot water from the green energy of solar and the stored solar of biomass for the residential, commercial, industrial and public sectors.
  • Directory:Fellows Thermoacoustic Cycle (TAC) Generator - Lee Fellows' Thermoacoustic Cycle (TAC) Generator uses heat to amplify acoustic waves (sound waves) in a high pressure gas. These amplified acoustic oscillations drive a unique kind of generator and produce electric power.
  • Directory:Michaud Atmospheric Vortex Engine - Louis Michaud's atmosphere vortex engine would harness waste heat from power plants and other heat sources, creating a stationary tornado and capturing the rotational force.
  • PowerPedia:Anaerobic digestion - The harnessed and contained, naturally occurring process of anaerobic decomposition. An anaerobic digester is an industrial system that harnesses these natural process to treat waste, produce biogas that can be used to power electricity generators, provide heat and produce soil improving material.

Videos


(1.15 Minutes) Geothermal - Waste Heat -Modular ORC Turbine - Rankine Cycle

  • The Infinity Turbine by Global Energy is a geothermal, solar and waste heat (industrial waste heat, gas turbine waste heat) Organic Rankine Cycle (ORC) turbine that generates electricity or via a PTO shaft horsepower for pumps, compressors and other equipment. Excess heat from the system output can be used for CHP applications, including desalination, hot water and process heat. (YouTube; March 10, 2008)

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Companies

  • Heat Recovery Water Heaters - HotSpot Energy LLC manufactures refrigerant heat recovery systems that recover waste heat from air conditioners, large coolers and freezers, and heat pumps, and recycle the recovered heat to make free hot water.
  • Waste to Energy / Waste Heat Generators >
    Haier Power Pad takes energy from shower water and returns it to hot water system - The Haier PowerPad is a concept which captures the heat energy contained within the water that runs off our bodies every morning in the shower, and returns said energy to the hot water tank. Haier claims the PowerPad is currently capturing and returning 15% of the energy coming out of the faucet and by the time it goes on sale six weeks from now, that figure will be 20-30%. (GizMag; July 31, 2010)

Patents

Research and Development

  • Waste to Energy > Waste Heat / Fuel Efficiency >
    CPT's auto exhaust gas energy recovery system - Controlled Power Technologies (CPT)'s Turbo-generator Integrated Gas Energy Recovery System (TIGERS) uses the same switched reluctance technology as its production-ready VTES electric supercharging and SpeedStart stop-start systems. CPT estimates it will take five years to bring TIGERS to market. (GizMag; September 27, 2010)
  • Nanotech / Waste to Energy > Waste Heat > Thermal Electric > Solid State >
    Turning Waste Heat Into Power via Nanotech Molecules - Using a theoretical model of a so-called molecular thermoelectric device, a technology being developed at the University of Arizona harvests waste heat and cleanly converts it directly into electrical power, and requires no moving parts. A rubber-like polymer sandwiched between two metals acting as electrodes can do the trick, taking advantage of the laws of quantum physics. (Univ. of AZ News; Sept. 23, 2010)
  • Fuel Efficiency >
    GM Working On Efficient, Shape-Changing, Memory Metal Engine - The U.S. Department of Energy has awarded GM with $2.7 million to develop a working prototype of a Shape Memory Alloy engine. In theory, this engine could recycle the waste heat and turn it into electrical energy, perhaps one day even replacing alternators and improving fuel efficiency. (Gas 2.0; Nov. 2, 2009)

In the News

  • Nanotech / Waste to Energy > Waste Heat > Thermal Electric > Solid State >
    Turning Waste Heat Into Power via Nanotech Molecules - Using a theoretical model of a so-called molecular thermoelectric device, a technology being developed at the University of Arizona harvests waste heat and cleanly converts it directly into electrical power, and requires no moving parts. A rubber-like polymer sandwiched between two metals acting as electrodes can do the trick, taking advantage of the laws of quantum physics. (Univ. of AZ News; Sept. 23, 2010)
  • Electricity from Waste Heat - Ener-G-Rotors, based in Schenectady, NY, has patented the Trochoidal Gear Engine used in an organic rankine cycle to turn 150°F to 400°F liquid or gas input into electricity. (MIT Technology Review; Nov. 21, 2008)
  • Electricity Generator Gets Its Power From Waste Heat - Dallas' Southern Methodist University is now recycling energy with one of the first commercial electricity generators that use thermoelectricity—the act of drawing power from waste heat. (Gizmodo; June 1, 2008)
  • ElectraTherm installs first waste heat generator - Testing of the 50kW ElectraTherm Green Machine, installed at Southern Methodist University (SMU) in Dallas, Texas, by Gulf Coast Green Energy and ElectraTherm, has exceeded the companies' expectations, reaching output beyond its 50kW rating. (EnergyCurrent; May 29, 2008)

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