The free-piston linear generator (FPLG) is a new electromechanical generator. It converts chemical energy into electrical energy by means of a combustion process, a linear generator, and a gas spring. The FPLG does not use any crankshaft, which is responsible for a lot of losses. Thereby, the technology aims to have better properties than other electromechanical generators: higher efficiency over wide range of operating points, better noise–vibration–harshness package. This publication deals with the explanation of the concept, the characteristics of a FPLG, and one of the challenges in the development. In order to use a port scavenging, the emission issue is the challenge and has to be solved. One possible solution is the use of solid lubricants to substitute motor oil. On this way, the development methodology and one aspect of the development is explained.
Free-Piston Linear Generator and the Development of a Solid Lubrication System
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received February 24, 2017; final manuscript received October 6, 2017; published online November 28, 2017. Assoc. Editor: Esmail M. A. Mokheimer.
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Virsik, R., Rinderknecht, F., and Friedrich, H. E. (November 28, 2017). "Free-Piston Linear Generator and the Development of a Solid Lubrication System." ASME. J. Energy Resour. Technol. March 2018; 140(3): 032007. https://doi.org/10.1115/1.4038463
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