Free-Piston Engine
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Basics
- A Piston Engine where the engine is "free" within the cylinder; it is not connected to a Crankshaft
- Can be used as Gas Generators and/or Linear Generators
- If the coils of the linear generator are also used as a Linear Motor this can be used to control the position / motion of the piston thus allowing for software tunable, infinitely variable compression ratios etc
- Also Part Reduction occurs etc
- Main issue is in the difficulty in control, as well as Noise and Vibration / Noise, Vibration, and Harshness
Internal Links
External Links
- The Wikipedia Page on Free-Piston Engines
- The Wikipedia Page on The Stelzer engine (At Type of Free Piston Engine)
- An Article by MIT's Technology Review Titled "High-Efficiency Generators for Hybrid Vehicles" (Archived Version)
- An article by Next Big Future titled "Free-piston engine could be twice as fuel efficient as combustion engines"
- A Video by the YouTube Channel "Holzgas" Titled "Freikolbenmotor, Free Piston Engine" (~1 minute 30 secconds watch) (They also seem to have a lot of content on Wood Gas vehicles, and it turns out their name is wood gas in german? Also the German Wikipedia Page may have more information on woodgas it seems (Another instance where there could be more Commonality / Wiki Commonality i guess!)