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案件記録

TURBOMACHINERY ENGINES WITH HIGH-SPEED LOW-PRESSURE TURBINES

発明審査中
1閲覧数
20請求項 · 2 独立
§ Ⅰ

案件概要

発明者

Pranav R. Kamat; Bhaskar Nanda Mondal; Jeffrey D. Clements

IPC分類

F2K 3/2F1D 5/6F4D 19/F4D 29/38

CPC分類

F2K3/2F1D5/6F4D19/2F4D29/384F5D2200/12F5D2200/13F5D2200/14F5D2220/323F5D2220/36F5D2240/303F5D2240/304F5D2240/307F5D2300/603

A turbomachinery engine includes a fan assembly, a low-pressure turbine, and a gearbox. The fan assembly includes a plurality of fan blades. The low-pressure turbine includes four rotating stages. The low-pressure turbine includes an area ratio equal to the annular exit area of an aft-most rotating stage of the low-pressure turbine divided by the annular exit area of a forward-most rotating stage of the low-pressure turbine. In some instances, the area ratio is within a range of 2.0-5.1. Additionally (or alternatively) the low-pressure turbine includes an area-EGT ratio within a range of 1.05-1.6.

原文(中国語)

A turbomachinery engine includes a fan assembly, a low-pressure turbine, and a gearbox. The fan assembly includes a plurality of fan blades. The low-pressure turbine includes four rotating stages. The low-pressure turbine includes an area ratio equal to the annular exit area of an aft-most rotating stage of the low-pressure turbine divided by the annular exit area of a forward-most rotating stage of the low-pressure turbine. In some instances, the area ratio is within a range of 2.0-5.1. Additionally (or alternatively) the low-pressure turbine includes an area-EGT ratio within a range of 1.05-1.6.

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