Invention Grant
US08678743B1 Method for setting a gear ratio of a fan drive gear system of a gas turbine engine
有权
用于设定燃气轮机的风扇驱动齿轮系的齿轮比的方法
- Patent Title: Method for setting a gear ratio of a fan drive gear system of a gas turbine engine
- Patent Title (中): 用于设定燃气轮机的风扇驱动齿轮系的齿轮比的方法
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Application No.: US13758086Application Date: 2013-02-04
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Publication No.: US08678743B1Publication Date: 2014-03-25
- Inventor: William G. Sheridan , Karl L. Hasel
- Applicant: United Technologies Corporation
- Applicant Address: US CT Hartford
- Assignee: United Technologies Corporation
- Current Assignee: United Technologies Corporation
- Current Assignee Address: US CT Hartford
- Agency: Carlson, Gaskey & Olds, P.C.
- Main IPC: F01D1/24
- IPC: F01D1/24
Abstract:
A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a fan section including a fan rotatable about an axis and a speed reduction device in communication with the fan. The speed reduction device includes a planetary fan drive gear system with a planet gear ratio of at least 2.5. A fan blade tip speed of the fan is less than 1400 fps.
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