Fluid Reaction Surfaces (i.e., Impellers) Patents (Class 416)
- Control of drive brake or clutch (Class 416/32)
- Plural distinct impellers having related control (Class 416/33)
- With electrical means comparing and reducing error related to preset datum (Class 416/35)
- Plural diverse condition responsive (Class 416/36)
- Temperature or icing condition responsive (Class 416/39)
- Responsive to relative working fluid velocity (Class 416/40)
- Pressure or altitude responsive (Class 416/42)
- Responsive to condition of torque or thrust of device or driving or driven means or mechanism (Class 416/43)
- Impeller rotation speed responsive (Class 416/44)
Sustained ancillary movement of rotary working member (e.g., cyclic feathering, etc.) (Class 416/98)
- Intermounted rotary members (Class 416/99)
- Continuous rotor oscillation (Class 416/100)
- Cyclic radial movement (Class 416/101)
- Responsive to carrier tilt (Class 416/102)
- Lead-lag type rotor blade movement (Class 416/103)
- By actuator eccentric to rotation axis (Class 416/108)
- Continuous rotation about plural axes (Class 416/110)
- Responsive to fixed actuator (e.g., cam or trip, etc.) (Class 416/112)
- Responsive to gravity or working fluid force (Class 416/117)
- Sectional, staged or nonrigid working member (Class 416/132R)
- Axially displaceable rotary carrier (e.g., hub, etc.) (Class 416/133)
- Nonmetallic resilient mounting (Class 416/134R)
- Resilient bias or mount (Class 416/135)
- Including weight bias means (Class 416/139)
- Including movement limit stop or damping means (Class 416/140)
- Plural articulation (Class 416/141)
- Tiltable carrier (e.g., hub, etc.) (Class 416/148)
- Shiftable carrier support (Class 416/149)
- Power derived from impeller shaft (Class 416/151)
- Having pitch lock or adjustable stop (Class 416/153)
- Motor bodily rotatable with impeller hub or shaft (Class 416/155)
- Power or manual actuator on non-rotatable part (Class 416/159)
- Adjustable (Class 416/205)
- Distally supported on radial arm (Class 416/210R)
- Interlocking blades (Class 416/212R)
- Welded, cemented or fused (Class 416/213R)
- Blade held between separable surfaces (Class 416/214R)
- Blade received by continuous circumferential channel (Class 416/215)
- Blade received in well or slot (Class 416/219R)
- Blade straddles carrier (Class 416/222)
- Turbo machine (Class 416/204A)
- Having wear liner, sheathing or insert (Class 416/224)
- Having spanwise compression means (Class 416/225)
- Formed with main spar (Class 416/226)
- Openwork (e.g., lattice, looped, etc.) (Class 416/227R)
- Tined or irregular periphery (Class 416/228)
- Laminated, embedded member or encased material (Class 416/229R)
- Apertured or permeable (Class 416/231R)
- Hollow (Class 416/232)
- Integrally shaped or blended into hub (Class 416/234)
- Irregular, flanged or channel forming blade surface (Class 416/235)
- Cantilever blade (Class 416/238)
- Blade cuff or shank construction (Class 416/239)
- Flexible (Class 416/240)
- Coating, specific composition or characteristic (Class 416/241R)
- Reverse curve surface (Class 416/242)
- Concave surface (Class 416/243)
- Turbo machine (Class 416/223A)
- Radial flow devices (Class 416/223B)
