The component N 55050, referred to as a “cocoon,” serves as a protective enclosure or shielding element within the Sulzer ASL25 engine assembly. Designed to safeguard sensitive internal components from mechanical impact, contamination, and thermal influence, this cocoon contributes to maintaining controlled operating conditions around critical parts. Manufactured with durability and dimensional precision in mind, it supports structural stability and protects adjacent systems from external stress factors. Although not directly involved in power transmission, N 55050 plays an important role in enhancing reliability, safety, and long-term operational integrity of the engine.