Wisconsin Alumni Research Foundation

Technology

Valve Method Cuts Engine Emissions, Boosts Combustion

In four-stroke engines, intake and exhaust valves open during the engine cycle to introduce air into the combustion chamber prior to combustion, and to release exhaust gases once combustion is complet...
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Rolf Reitz, Christopher Rutland, Rahul Jhavar | P06042US

Technology

Reducing DC-DC Converter Loss for More Efficient Cars

DC-DC converters are used in a variety of devices to raise or lower voltage. They are used in the power systems of hybrid and electric vehicles to boost the battery’s output voltage. In these system...
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Robert Lorenz, Chi-Ming Wang, Masaki Wasekura | P130119US01

Technology

Electrodes with Low-Cost Replaceable Tips

Electrodes routinely are used in electrochemical sensing, fuel cells, batteries and numerous other applications. Critically, the surface of an electrode must be clean before sensing elements can be at...
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Sundaram Gunasekaran, Jiang Yang | P120016US02

Technology

Modeless Wavelength-Agile Laser

Spectroscopic studies evaluate the response of a specimen to different colors of light. Lasers are normally used in spectroscopic studies; however, lasers typically operate in one or more cavity modes...
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Scott Sanders | P05034US

Technology

Control of Small, Distributed Energy Resources

Distributed energy resources (DER) are small power generators that are typically located at customer sites where the energy they generate is used. Small DER produce low emissions, can be manufactured ...
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Robert Lasseter, Paolo Piagi | P02205US

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