About: IRIS engine

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The IRIS Engine is a design for a new type of internal combustion engine. Its inventors say that engines constructed using this design can be smaller, lighter and significantly more efficient than traditional engines of comparable horsepower and displacement. The design replaces the piston and cylinder architecture of conventional engines with a purportedly novel mechanism called the Internally Radiating Impulse Structure, or IRIS.

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  • The IRIS Engine is a design for a new type of internal combustion engine. Its inventors say that engines constructed using this design can be smaller, lighter and significantly more efficient than traditional engines of comparable horsepower and displacement. The design replaces the piston and cylinder architecture of conventional engines with a purportedly novel mechanism called the Internally Radiating Impulse Structure, or IRIS. In January 2008, the IRIS Engine design won first prize for transportation technology in NASA's annual "Create the Future" design competition. In October 2008, the Radial Expansion Engine (RXE), a variant of the IRIS design, won second prize in the ConocoPhillips Energy Prize competition. (en)
  • IRISエンジンとは、内燃機関の形態の一種である。一般的なエンジンのピストン・シリンダー構造を「内部的衝撃放射構造」と呼ばれる新しいメカニズムに置き換えたことが特徴で、発明者らは同クラスのピストンエンジンと比べ小型軽量かつ高効率が得られると述べている。IRISは内部的衝撃放射構造 (Internally Radiating Impulse Structure) の略だが、後述する燃焼室の拡大縮小運動を目の虹彩(アイリス)の動きに見立てた掛け言葉にもなっている。 (ja)
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  • IRISエンジンとは、内燃機関の形態の一種である。一般的なエンジンのピストン・シリンダー構造を「内部的衝撃放射構造」と呼ばれる新しいメカニズムに置き換えたことが特徴で、発明者らは同クラスのピストンエンジンと比べ小型軽量かつ高効率が得られると述べている。IRISは内部的衝撃放射構造 (Internally Radiating Impulse Structure) の略だが、後述する燃焼室の拡大縮小運動を目の虹彩(アイリス)の動きに見立てた掛け言葉にもなっている。 (ja)
  • The IRIS Engine is a design for a new type of internal combustion engine. Its inventors say that engines constructed using this design can be smaller, lighter and significantly more efficient than traditional engines of comparable horsepower and displacement. The design replaces the piston and cylinder architecture of conventional engines with a purportedly novel mechanism called the Internally Radiating Impulse Structure, or IRIS. (en)
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  • IRIS engine (en)
  • IRISエンジン (ja)
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