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

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

Fan blade with bends forming general blade curvature

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

Fan blade with curved planform and high-lift airfoil having bulb

Fluid reaction surfaces (i.e. – impellers) – Removable auxiliary attachment to work surface

Fan blade with filter

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

Fan blade with improved mix flow fan

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Irregular – flanged or channel forming blade surface

Fan blade with ridges

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Reverse curve surface

Fan blades

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices

Fan blades

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use... – Member movement in rotation plane

Fan blades having variable pitch compliantly responsive to a...

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Radially extending web or end plate

Fan body and rotor cup assembly

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Fan body assembly

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Radially extending web or end plate

Fan capable of directing air flow in both axial and radial direc

Fluid reaction surfaces (i.e. – impellers) – Having clutch or brake means

Fan clutch with central vanes to move air to fan blades

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

Fan comprising a blade pitch control mechanism

Fluid reaction surfaces (i.e. – impellers) – Ambulant – body supported or with carrying handle

Fan construction

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Blade received in well or slot

Fan construction and method of assembly

Fluid reaction surfaces (i.e. – impellers) – Method of operation

Fan control

Fluid reaction surfaces (i.e. – impellers) – Having frangible or fusible part or connection

Fan decoupling fuse

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

Fan design with low acoustic tonal components

Fluid reaction surfaces (i.e. – impellers) – Combined or convertible – Hub lubrication or seal

Fan device