发明名称 TURBOMACHINE PROVIDED WITH AN ASSEMBLY FOR CONTROLLING THE PITCH VARIATION OF A PROPELLER
摘要 The assembly (25) links a static housing (24) of the turbomachine, into which supply lines, in particular fluid supply lines (23), arrive, to the blades of the propeller, and comprises: - a system for controlling fluid pitch (27), rigidly connected to the static housing (24), capable of being linked to the supply lines, - a linear actuator (28) having two chambers separated by a piston (71) of which the sliding is dictated by the control system and allows the blades to rotate, and - two concentric tubes (36, 37) housed in the planetary shaft of the epicyclic reduction gear and linking the system (27) to the actuator (28) by delimiting two fluid passages (45, 48) linked, respectively, with the two chambers (72, 73) of the actuator.
申请公布号 WO2015022464(A1) 申请公布日期 2015.02.19
申请号 WO2014FR52039 申请日期 2014.08.05
申请人 SNECMA 发明人 OLIVIER, BELMONTE;ESCURE, DIDIER, RENÉ, ANDRÉ;LAO, JÉRÉMY, PHORIA
分类号 B64C11/38 主分类号 B64C11/38
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