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

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Responsive to gravity or working fluid force

Wind or fluid current turbine

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

Wind power and flywheel apparatus

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Sectional – staged or nonrigid working member

Wind power converter

Fluid reaction surfaces (i.e. – impellers) – Multiple axially spaced working members – Circumferentially offset

Wind power facility with a verticle rotor

Fluid reaction surfaces (i.e. – impellers) – With illumination means

Wind power generating system with an obstruction lighting or...

Fluid reaction surfaces (i.e. – impellers) – With means positioning fluid current driven impeller...

Wind power generator

Fluid reaction surfaces (i.e. – impellers) – Oscillatory reaction motion – With pendulum – counterbalance or inertial weight

Wind power generator

Fluid reaction surfaces (i.e. – impellers) – Multiple axially spaced working members – Differing radii

Wind power generator with multiple rotary wings

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

Wind power installation

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

Wind power installation

Fluid reaction surfaces (i.e. – impellers) – Combined or convertible – Hub lubrication or seal

Wind power installation

Fluid reaction surfaces (i.e. – impellers) – Plural impellers having relative movement or independent... – Coaxial rotation

Wind power installation with two rotors in tandem

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Sectional – staged or nonrigid working member

Wind power of hydraulic power machine with axial feed, radial ou

Fluid reaction surfaces (i.e. – impellers) – Working member supported on endless flexible carrier – Feathering blades

Wind power plant

Fluid reaction surfaces (i.e. – impellers) – Combined or convertible – Hub lubrication or seal

Wind power plant

Fluid reaction surfaces (i.e. – impellers) – Cupped reaction surface normal to rotation plane – Torque converters

Wind power plant

Fluid reaction surfaces (i.e. – impellers) – Cupped reaction surface normal to rotation plane – Torque converters

Wind power plant

Fluid reaction surfaces (i.e. – impellers) – With means positioning fluid current driven impeller...

Wind power plant and method of erecting it

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

Wind power plant construction