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Michigan State University Receives $2.5M ARPA-E Award to Build Wave Disc Engine/Generator for Series Hybrid Applications

Green Car Congress

Wave rotor technology has been explored since 1906, although its first significant application was in 1940 by Brown Boveri Company (BBC, today ABB) which used it as a high pressure stage for a gas turbine locomotive engine. Mazda produced 150,000 Comprex diesel cars. Earlier wave rotor implementation were mainly axial flow.

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LiquidPiston introduces latest X-series version of HEHC rotary engine; targeting 58% peak BTE, 2 hp/lb power density

Green Car Congress

We have explored and patented dozens of engine architectures capable of implementing the HEHC cycle. It took a lot of learning and refinement to figure out how to make such a simple engine as the X engine, which is 1) sealable, and 2) implements the HEHC cycle.

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