🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسیไทย한국어中文日本語EntityQ201762· pop 34· linked from 159 articlesOtto cyclethermodynamic cycle for spark ignition piston enginesAvailable in 34 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaCatalanConnectionsadiabatic processEntityregenerative coolingEntityCategoriesPiston enginesThermodynamic cycles