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VARIABLE BLADE TIMING MECHANISM FOR A CONTRAROTATIVE PROPELLER SYSTEM AND A CONTRAROTATIVE PROPELLER SYSTEM COMPRISING AT LEAST ONE SUCH MECHANISM
VARIABLE BLADE TIMING MECHANISM FOR A CONTRAROTATIVE PROPELLER SYSTEM AND A CONTRAROTATIVE PROPELLER SYSTEM COMPRISING AT LEAST ONE SUCH MECHANISM
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机译:对流螺旋桨系统的变桨定时机制和至少包含一种机制的对流螺旋桨系统
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摘要
A mechanism for adjusting pitch of blades of a propeller of a system of contra-rotating propellers for a turbomachine, wherein each blade moves around a radial axis. The mechanism includes a linear actuator, a structure to transform movement imparted by the linear actuator into rotation of each of the blades in a synchronized manner around their radial axis, the structure including a bracket of longitudinal axis formed of a central ring, an outer ring, and multiple radial arms rigidly connected to the central ring and to the outer ring. The central ring can be subject to actuation of the linear actuator, and the central ring and the outer ring are positioned in two separate planes, orthogonal to the longitudinal axis, such that the bracket is shaped as a truncated cone.
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