Hi, looking at the article Brownian ratchet, it seems to me that if the cog wheel and pawl, as well as the structures fixing them in place, were made out of a hypothetical material that was completely rigid on an atomic scale in the face of thermal noise, then the device would work as advertised in violation of the laws of thermodynamics.
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Arms : Per saltire Gules and barry wavy of eight Argent and Azure in chief between two Keys in saltire a Sword palewise point downwards in base two Croziers with Sudarium in saltire surmounting a Lily slipped and leaved and in the flanks a representation of a Barking Well Smack in full sail to the sinister and a Cog Wheel all Or.
