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

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

Snubber-vibration damper system for a bearingless main rotor

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

Soft in-plane tiltrotor hub

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

Soft inplane bearingless helicopter rotor

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

Soft inplane helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or...

Solid impeller for centrifugal pumps

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Space efficient fan guard

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Intermounted rotary members

Space frame wind turbine

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Blade received in well or slot

Spacers and turbines

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

Spanwise fan diffusion hole airfoil

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

Spanwisely variable density pedestal array

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

Spar cap for wind turbine blades

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

Spar-to-hub joint for a flexbeam helicopter rotor

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

Sparcap for wind turbine rotor blade and method of...

Fluid reaction surfaces (i.e. – impellers) – Operator supported manually actuated type – Operation solely by direct hand manipulation

Spatula for mixing plastic substances

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Impeller rotation speed responsive

Speed control system for a windmill

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

Speed governing hub for windmill

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

Speed limited fan

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Laminated – embedded member or encased material

SPF/DB hollow core fan blade

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

Spherical bifilar tuning pin bushing