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Helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Including movement limit stop or damping means
Patent

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Helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – With weight-balancing means – Self-shifting or selectively adjustable mass
Patent

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Helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Including movement limit stop or damping means
Patent

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Helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – By actuator eccentric to rotation axis
Patent

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Helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Responsive to fixed actuator
Patent

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Helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Including movement limit stop or damping means
Patent

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Helicopter Rotor

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting
Patent

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Helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Including movement limit stop or damping means
Patent

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Helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting
Patent

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Helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Including movement limit stop or damping means
Patent

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Helicopter rotor and blade connection

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting
Patent

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Helicopter rotor assembly and blade pitch control

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting
Patent

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Helicopter rotor backup damper system

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Lead-lag type rotor blade movement
Patent

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Helicopter rotor blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Patent

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Helicopter rotor blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Formed with main spar
Patent

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Helicopter rotor blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Patent

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Helicopter rotor blade

Fluid reaction surfaces (i.e. – impellers) – Method of operation
Patent

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Helicopter rotor blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Formed with main spar
Patent

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Helicopter rotor blade control

Fluid reaction surfaces (i.e. – impellers) – Drive by fluid reaction jet on working member – Articulated or flexible connection
Patent

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Helicopter rotor blade control device

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Responsive to fixed actuator
Patent

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