LandOfFree - US Patents - Listing for Fluid reaction surfaces (i.e., impellers)

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Helicopter rotor droop stop mechanism

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

Reexamination Certificate

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Helicopter rotor equipped with flaps

Fluid reaction surfaces (i.e. – impellers) – With means moving working fluid deflecting working member...

Patent

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Helicopter rotor flexbeam

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

Patent

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Helicopter rotor having lead-lag damper operable with pitch and

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 head

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

Patent

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Helicopter rotor head mounting assembly

Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure

Patent

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Helicopter rotor hub

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

Patent

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Helicopter rotor hub provided with flexible elements such as vir

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Plural articulation

Patent

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Helicopter rotor hub, and rotor featuring such a hub

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Distally supported on radial arm

Reexamination Certificate

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Helicopter rotor lead-lag damper

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 seal assembly

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 structure

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Resilient bias or mount

Patent

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Helicopter rotor structure

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

Patent

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Helicopter rotor structure

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Plural articulation

Patent

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Helicopter rotor system

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

Patent

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Helicopter rotor system and method

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

Patent

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Helicopter rotor tip jet

Fluid reaction surfaces (i.e. – impellers) – Drive by fluid reaction jet on working member – Combustion chamber carried by member

Patent

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Helicopter rotor with articulation means integrated in the root

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 with blade trailing edge tabs responsive to con

Fluid reaction surfaces (i.e. – impellers) – With means moving working fluid deflecting working member... – Cyclic movement of member or part

Patent

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Helicopter rotors

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

Patent

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