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

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Lead-lag type rotor blade movement

Twist control for helicopter tail rotor pitch change

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

Twist element for a bearingless rotor

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

Twist-lock attachment system for a cooling fan and motor

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

Twisted flex fan

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

Twisted flex fan

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

Twisted hollow airfoil with non-twisted internal support ribs

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Tined or irregular periphery

Twisted stator vane

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

Two level oil dam

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

Two piece hollow turbine blade with serpentine cooling circuits

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means

Two stage rotor assembly with improved coolant flow

Fluid reaction surfaces (i.e. – impellers) – Multiple axially spaced working members

Two stage turbine rotor assembly

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

Two-lug side-entry turbine blade attachment

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

Two-phase impeller with curved channel in the meridian plane

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

Two-piece rotor blade for a bearingless rotor of a helicopter

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Distally supported on radial arm

Two-piece safety mechanism for ceiling fans

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Distally supported on radial arm

Two-piece safety mechanism for ceiling fans

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

U-clip for boltless blade retainer

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

Ultra-thin low noise axial flow fan for office automation machin

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

Undercut leading edge for compressor blades and related method