Research Progress of Open Rotor Engine Pitch Change Mechanism

SUN Peng; CHEN Yonghui; YAN Qun; HUO Shiyu; YANG Xiaolin

doi:10.7643/issn.1672-9242.2026.08.007

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Equipment Environmental Engineering ›› 2026, Vol. 23 ›› Issue (8) : 52-57. DOI: 10.7643/issn.1672-9242.2026.08.007

Special Topic——Comprehensive Environmental Strength Analysis and Testing Technology for Equipment

Research Progress of Open Rotor Engine Pitch Change Mechanism

SUN Peng, CHEN Yonghui, YAN Qun, HUO Shiyu, YANG Xiaolin

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Abstract

The work mainly analyzes the historical and technological advancements of pitch change mechanisms both domestically and globally, explores the features of hydraulic and electromechanical pitch change mechanisms, talks about the major technologies involved in their development, and summarizes future trends and important technical development directions for pitch change mechanisms, so as to provide technical support for the subsequent development of pitch change mechanisms for open rotor engines.

Key words

open rotor engine / pitch change mechanism / hydraulic control / functional testing

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SUN Peng, CHEN Yonghui, YAN Qun, HUO Shiyu, YANG Xiaolin. Research Progress of Open Rotor Engine Pitch Change Mechanism[J]. Equipment Environmental Engineering. 2026, 23(8): 52-57 https://doi.org/10.7643/issn.1672-9242.2026.08.007

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