Compressionless

Some articles on compressionless:

History Of The Internal Combustion Engine - Timeline of Development - Prior To 1860
1794 Robert Street built a compressionless engine whose principle of operation would dominate for nearly a century ... It was compressionless and based on what Hardenberg calls the "Leonardo cycle," which, as the name implies, was already out of date at that time. 1826 April 1 American Samuel Morey received a patent for a compressionless "Gas or Vapor Engine." 1833 Lemuel Wellman Wright, UK patent 6525, table-type gas engine ...
Bowden Cable - Parts and Variations - Common Practice
... were a solid tube, so it, and its end-pieces have to be compressionless ... Currently, the most commonly used compressionless housing for gear shifting has longitudinally spaced steel wires ... Housings for bicycle brakes need not be quite so compressionless, but need to be stronger, and items currently sold for this purpose use a close-wound spiral support wire ...