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

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

Fan having axial blades

Fluid reaction surfaces (i.e. – impellers) – Unsymmetrical impeller or dissimilar working members

Fan having balancing blade sets

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Coating – specific composition or characteristic

Fan having blades with sound reducing material attached

Fluid reaction surfaces (i.e. – impellers) – Perimetric blading extending axially between annular members

Fan having forward-curved blades

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

Fan having speed indicator

Fluid reaction surfaces (i.e. – impellers) – Having lubricating – sealing – packing or specific bearing...

Fan having stable pre-loading device

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Continuous rotor oscillation

Fan head swinging device

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

Fan hub

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Blade held between separable surfaces

Fan impeller

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

Fan impeller assembly

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

Fan impeller assembly for cooling systems of internal...

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

Fan impeller with flexible blades

Fluid reaction surfaces (i.e. – impellers) – Perimetric blading extending axially between annular members

Fan impeller with integrated grease separation, especially...

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

Fan impellers

Fluid reaction surfaces (i.e. – impellers) – Unsymmetrical impeller or dissimilar working members

Fan incorporating non-uniform blades

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

Fan inlet with curved lip and cylindrical member forming labyrin

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

Fan mountable air freshener device

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Turbo machine

Fan mounting arrangement

Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure

Fan mounting bracket apparatus