FIELD: propellers acting directly on water.
SUBSTANCE: proposed propeller has propeller shaft with blades fitted on hub. Lower and upper edges of blades are formed by tangency of two parabolas; leading edge is rounded-off and trailing edge has stabilizing plane. Blade tip is bent through angle β³60° for required direction of centrifugal flow. Blade tips are mechanically closed together with the aid of ring having shaped holes for pins.
EFFECT: enhanced efficiency.
2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| AIR PROPELLER | 2006 |
|
RU2318698C1 |
| PROPELLER BLADE | 2004 |
|
RU2278058C2 |
| FLAPPING-WING AIRCRAFT | 2006 |
|
RU2323129C2 |
| HELICOPTER | 2006 |
|
RU2333867C2 |
| HELICOPTER | 2006 |
|
RU2309873C1 |
| VANE-TYPE WIND-DRIVEN POWER PLANT | 2006 |
|
RU2309290C1 |
| AXIAL-BLOW BLOWER | 2007 |
|
RU2362911C2 |
| AIRCRAFT | 2005 |
|
RU2307048C1 |
| TURBOJET ENGINE | 2007 |
|
RU2367798C2 |
| ROTOR MAST | 2007 |
|
RU2359862C2 |
