发明名称 |
DEVICE FOR CHANGING THE FAN BLADE PITCH OF A TURBOFAN ENGINE |
摘要 |
<p>A device for controlling pitch of fan blades of a turboprop including at least one set of adjustable-pitch fan blades secured to rotate with a rotary ring mechanically connected to a turbine rotor, each blade of the set being coupled for pitch adjustment to a synchronization ring. The device includes a rolling bearing including an inner cage slidably mounted on a turbine casing and connected to the rod of an actuator, and an outer cage that is mechanically connected to the synchronization ring by a plurality of connection arms connected to the actuator rod and hinge-mounted on the synchronization ring such that actuating the actuator causes the synchronization ring to move in turning about the longitudinal axis.</p> |
申请公布号 |
EP2435304(A2) |
申请公布日期 |
2012.04.04 |
申请号 |
EP20100723696 |
申请日期 |
2010.04.19 |
申请人 |
SNECMA |
发明人 |
BALK, WOUTER;CHARIER, GILLES, ALAIN;GALLET, FRANCOIS |
分类号 |
B64C11/30;B64C11/34;F01D7/00;F02K3/02;F04D29/36 |
主分类号 |
B64C11/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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