LandOfFree - US Patents - Listing for Fluid reaction surfaces (i.e., impellers),Plural impellers having relative movement or independent...

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

Propfan engine having two oppositely rotating fan rotors

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

Rotatable turbine frame

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

Rotational wake reaction steps for Foils

Fluid reaction surfaces (i.e. – impellers) – Plural impellers having relative movement or independent... – Intersecting or interdigitated paths of operation

Rotor arrangement for a rotorcraft

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

Rotor device

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

Rotor system, particularly a boat propeller system

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

Rotor with a split rotor blade

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

Ship drive with two counterturning propellers

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

Split rotor shaft driven lift fan

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

Tail rotor assembly for helicopters

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

Turbine

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

Turbine with coaxial sets of blades

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

Twin engine, coaxial, dual-propeller propulsion system

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

Twin spool rotor assembly for a small gas turbine engine

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

VAWT cluster and individual supporting arrangements

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) – Plural impellers having relative movement or independent... – Intersecting or interdigitated paths of operation

Wind turbine

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

Wind-engine

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

Wind-engine