LandOfFree - US Patents - Listing for Fluid reaction surfaces (i.e., impellers),With control means responsive to non-cyclic condition...,Responsive to relative working fluid velocity

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Adjustable windmill

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Analog mixer to vary helicopter rotor phase angle in flight

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Control for helicopter having dual rigid rotors

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Jet spoiler arrangement for wind turbine

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Mechanical overload systems for wind generators

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Method and apparatus for condition-based monitoring of wind...

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Method and apparatus for condition-based monitoring of wind...

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Method for improvement of the efficiency of a wind turbine...

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Overspeed control arrangement for vertical axis wind turbines

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Self-adjusting wind machine

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Support means for a windmill

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Variable pitch mounting for airfoil blades of a windmill or prop

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Vertical array wind turbine

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Vertical axis wind turbines

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Vertical axis windmill with multistage feathering of blades and

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Vertical axle paddle motor

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Vortex wind turbine

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Wind driven prime mover

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Wind engine