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

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Windmill construction

Fluid reaction surfaces (i.e. – impellers) – With means positioning fluid current driven impeller... – Feathering cycle related to flow direction

Patent

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Windmill construction

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member – Variable work surface or non-rigid connection

Patent

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Windmill device

Fluid reaction surfaces (i.e. – impellers) – With means positioning fluid current driven impeller... – Offset relative to flow direction

Patent

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Windmill having blades which alter their pitch angles automatica

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

Patent

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Windmill having centrifically feathered rotors to control rotor

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

Patent

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Windmill mechanism

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

Patent

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Windmill power generator

Fluid reaction surfaces (i.e. – impellers) – Specific drive or transmission means – Hand mixers

Patent

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Windmill rotor

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

Patent

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Windmill rotor

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

Patent

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Windmill rotor and wind blades therefor

Fluid reaction surfaces (i.e. – impellers) – Projecting blade axis offset from rotation axis

Reexamination Certificate

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Windmill rotor comprising multiple separate wind channels

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

Reexamination Certificate

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Windmill speed limiting system utilizing hysteresis

Fluid reaction surfaces (i.e. – impellers) – With means moving working fluid deflecting working member...

Patent

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Windmill structure

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

Patent

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Windmill structure and power generator

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

Patent

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Windmill tower

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

Patent

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Windmill tower shadow eliminator

Fluid reaction surfaces (i.e. – impellers) – With means positioning fluid current driven impeller... – Offset relative to flow direction

Patent

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Windmill with annular flywheel

Fluid reaction surfaces (i.e. – impellers) – With means positioning fluid current driven impeller... – Feathering cycle related to flow direction

Patent

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Windmill with automatic feathering control and storm protection

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

Patent

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Windmill with controller for controlling rotor RPM

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

Patent

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Windmill with cyclically feathering blades

Fluid reaction surfaces (i.e. – impellers) – With means positioning fluid current driven impeller... – Feathering cycle related to flow direction

Patent

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