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

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... – Impeller rotation speed responsive

Modular propeller blade pitch actuation system

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to condition of torque or thrust of device or...

Negative torque sensor for a gas turbine engine

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

No-back apparatus for propeller pitch control

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

Optimum speed rotor

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Pressure or altitude responsive

Oscillating air jets for helicopter rotor aerodynamic control an

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Pressure or altitude responsive

Oscillating air jets for reducing HSI noise

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

Overload protection apparatus for variable pitch propellers

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to condition of torque or thrust of device or...

Overload protection device for a propeller drive engine

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... – Impeller rotation speed responsive

Overspeed protection system for aircraft fan engine

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to condition of torque or thrust of device or...

Passive speed and power regulation of a wind turbine

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Plural distinct impellers having related control

Phase and speed control system

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Temperature or icing condition responsive

Phase change means for a power driven device, such as a fan

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

Pitch change actuation system

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

Pitch control system

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

Pitch control system

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

Pitch control system for variable pitch propeller

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

Pitch governing assembly for windmills