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

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Motor bodily rotatable with impeller hub or shaft

Variable pitch fan

Fluid reaction surfaces (i.e. – impellers) – With weight-balancing means

Variable pitch fan

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Power or manual actuator on non-rotatable part

Variable pitch fan

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

Variable pitch fan

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Motor bodily rotatable with impeller hub or shaft

Variable pitch fan gas turbine engine

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

Variable pitch impeller

Fluid reaction surfaces (i.e. – impellers) – With measuring – testing – signalling or inspection means

Variable pitch marine propeller

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Power or manual actuator on non-rotatable part

Variable pitch marine propeller

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Including movement limit stop or damping means

Variable pitch marine propeller

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

Variable pitch marine propeller with hydrodynamic shifting

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

Variable pitch marine propeller with shift biasing and synchroni

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Power derived from impeller shaft

Variable pitch mechanism for fan blades

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Blade cuff or shank construction

Variable pitch mechanisms

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) – Specific working member mount – Adjustable

Variable pitch pan blade retention arrangement

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

Variable pitch propeller

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment

Variable pitch propeller

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Motor bodily rotatable with impeller hub or shaft

Variable pitch propeller

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

Variable pitch propeller