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

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Folding rotor blade/propeller drive and pitch control actuator

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Folding rotor for a rotorcraft

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Folding rotor for an autogyro device

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

Foot for fans

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

Force transferring elements

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

Forced air cooling fan having pivotal fan blades for...

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

Forced draft fan blade construction for dynamo electric machines

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

Foreign object damage resistant composite blade and manufacture

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means

Foreign particle separator

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Cantilever blade

Forward sweep, low noise rotor blade

Fluid reaction surfaces (i.e. – impellers) – Perimetric blading extending axially between annular members

Forward swept centrifugal fan wheel

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Having wear liner – sheathing or insert

Forward swept fan blade

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

Four-blade rotor, especially for helicopters

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

Four-blade rotor, especially for helicopters

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

Fourth-stage turbine bucket airfoil

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

Francis turbine

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

Francis turbine

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

Francis turbine

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

Francis turbine